CN208010112U - A kind of Double-lock-core Electric cabinet lock - Google Patents

Abstract

The utility model discloses an electric cabinet lock with double lock cores, which relates to the field of locks. Aiming at the technical problem that the prior art has only one layer of mechanical lock cores as protection and is easy to pry open, a handle and a handle groove are used as the protection of the main lock. Reusing the main lock as the protection of the cabinet door can not only protect the precise main lock under the handle, but also provide multi-layer protection for the electrical cabinet; The handle lock can open the left and right of multiple electrical cabinet door handles with only one key, thereby saving the cost of the key and avoiding the inconvenience of carrying multiple keys; the handle lock adopts a simple fixed ring, rotating circle The ring and the positioning pin skillfully control the locking and unlocking of the handle by the deadbolt, which greatly saves the cost of parts and labor.

Description

A double lock cylinder electric cabinet lock

technical field

The utility model relates to the field of locks, in particular to an electric cabinet lock with double lock cylinders.

Background technique

With the development of my country's economy and the wide application of electric power and electronic products, the use of electrical cabinets is becoming more and more common, especially in the fields of transportation, communications, and electric power, where electrical cabinets are especially common. In order to ensure the safety of parts and electrical components in the electrical cabinet, it is a common way to add locks to the electrical cabinet. At present, there are two main types of locks commonly used in the market for electrical cabinets. One button switch, which can be unlocked with one press; the other is with a simple mechanical lock cylinder, which can be opened with a matching key. At present, the latter is mostly used in electrical cabinets installed in the open air. However, because there is only a simple mechanical lock cylinder, there is only one layer of protection, and it is easy to be pried open.

Utility model content

The utility model provides an electric cabinet lock with double lock cores, which is used to solve the technical problem that the prior art has only one layer of mechanical lock cores as protection and is easy to pry open.

In order to solve the above problems, the utility model adopts the following technical solutions to realize:

An electrical cabinet lock with double lock cylinders, comprising a base, a handle, and a handle lock. At one end of the base, the handle can be locked and unlocked by the handle lock, which is characterized in that:

A main lock is provided under the base, and the main lock corresponds to the handle groove;

The main lock includes a main lock cylinder, a main lock sleeve, a main lock bolt and a main lock shaft. The main lock sleeve is a cylindrical structure, and the main lock sleeve is provided with a main lock cylinder. One end of the lock cylinder is connected with the main lock rotating shaft, and the main lock rotating shaft is connected with the main lock latch.

Preferably, the handle lock includes a handle lock case, a fixed ring, a rotating ring, a dead bolt, a positioning pin and a bottom plate, the handle lock case is fixed under one end of the base and a handle is provided at the corresponding base. The lock hole, the handle lock shell and the handle lock hole are provided with a circular groove, the circular groove can accommodate the fixed ring and the rotating ring, and the handle lock shell is also provided with a deadbolt groove for accommodating deadbolt;

The circular groove is a cylindrical groove, and the diameter of the cylindrical groove is larger than the diameter of the handle lock hole;

The fixed ring is fixed on the top of the ring groove, and the rotating ring is movably arranged under the fixed ring;

The rotating ring is a cylindrical structure, a keyhole is provided at the center of the cylindrical structure, and a semicircular groove is provided at the lower end of the cylindrical structure;

A lock tongue is slidably provided under the rotating ring, and the lock tongue includes a slider. One end of the slider is provided with a stopper, and the other end of the slider is provided with an "L"-shaped lock hook. The slider is provided with a fixed pin groove. The block is provided with a threaded hole, and a screw is arranged in the threaded hole, and a clip spring is fixed at one end of the screw; the deadbolt is arranged in the deadbolt groove, and the locking hook of the deadbolt extends out of the deadbolt groove and can be in contact with the handle. The tongue can realize the function of locking or releasing the handle;

The bottom plate is provided with a pin hole, and the pin hole is provided with a positioning pin, and the positioning pin passes through the fixed pin groove of the deadbolt and is connected with the rotating ring;

The bottom plate is fixedly connected with the handle lock case through flat head screws.

Further, the fixed ring is fixed to the handle lock case by a hexagon socket head screw, and the fixed ring is radially provided with a first key positioning pin;

The rotary ring is also provided with a second key positioning pin in the radial direction, and the semicircular groove provided at the lower end of the rotary ring corresponds to the stopper of the deadbolt.

Furthermore, both the first key positioning pin and the second key positioning pin have a stepped shaft structure with one end large and the other end small, and the holes corresponding to the first key positioning pin and the second key positioning pin are also stepped hole structures.

Preferably, a main lock hole is provided at the base corresponding to the main lock piece, and the main lock hole is used for inserting a main lock key;

The main lock piece is fixed below the base by the main lock fixing screw, and the main lock cylinder in the main lock piece corresponds to the main lock hole.

Preferably, one end of the handle is provided with a handle locking groove, and the other end of the handle is provided with a rotating pin hole, the rotating pin hole is hinged with the handle fixing seat through the rotating pin, and a torsion spring is also worn on the rotating pin, and the torsion spring One end bears on the bottom surface of the handle, the other end of the torsion spring bears on the handle fixing seat, and the handle fixing seat is fixed in the handle base groove by the handle fixing pin.

Preferably, the bottom surface of the handle is also provided with a dust-proof gasket groove, and a dust-proof gasket is pasted in the dust-proof gasket groove;

The handle base groove is a cylindrical hollow structure fixed on the bottom surface of the base and corresponding to the handle lock housing. The cylindrical hollow structure is radially provided with fixing holes for passing through the handle fixing pins.

Preferably, the main lock cylinder adopts an electronic lock cylinder.

Preferably, the stopper is movably arranged in the semicircular groove.

Preferably, the first key positioning pin and the second key positioning pin are located on the same straight line when no external force is applied, and the straight line is parallel to the central axis of the circular groove.

The utility model uses the handle and the handle groove as the protection of the main lock, and then uses the main lock as the protection of the cabinet door, which can not only protect the precise main lock under the handle, but also play a multi-layer protection role for the electrical cabinet; Due to the use of the handle lock corresponding to the structure of the electronic lock cylinder in the main lock, only one key can be used to open the left and right of multiple electrical cabinet door handles, thereby saving the cost of the key and avoiding the need to carry multiple keys Inconvenience; the handle lock adopts a simple fixed ring, rotating ring and positioning pin to skillfully control the locking and unlocking of the handle by the deadbolt, which greatly saves parts and labor costs.

Description of drawings

Fig. 1 is the overall structural representation of the embodiment provided by the utility model;

Fig. 2 is a schematic structural view of the main lock in the embodiment provided by the utility model;

Fig. 3 is a structural schematic view of another perspective of the main lock in the embodiment provided by the utility model;

Fig. 4 is a schematic diagram of the overall structure of an embodiment of another perspective provided by the utility model;

Fig. 5 is a schematic diagram of the explosion structure of the embodiment provided by the utility model;

Fig. 6 is a partial cross-sectional view of the embodiment provided by the utility model after assembly;

Fig. 7 is a structural schematic diagram of the key provided by the utility model;

In the picture:

1: base; 1-1: handle slot; 1-2: handle lock hole; 1-3: main lock lock hole; 1-4: bolt slot; 1-5: ring slot;

2: handle; 2-1: handle locking groove; 2-2: dustproof gasket groove; 2-3: rotating pin hole; 2-4: rotating pin; 2-5: torsion spring; 2-6: handle fixing Seat; 2-7: handle fixing pin; 2-8: dust-proof gasket; 2-9: handle base groove;

3: Handle lock; 3-1: Handle lock case; 3-2: Fixed ring; 3-3: Rotating ring; 3-4: Lock bolt; 3-5: Screw; 3-6: Compression spring; 3-7: positioning pin; 3-8: bottom plate; 3-9: flat head screw; 3-10: hexagon socket head screw; 3-11: positioning pin of the first key; 3-12: positioning pin of the second key;

4: Main lock piece; 4-1: Main lock cylinder; 4-2: Main lock sleeve; 4-3: Main lock bolt; 4-4: Main lock shaft; 4-5: Main lock fixing screw

5: Gasket;

6: key; 60: key body; 61: key shaft; 62: rotation positioning slot; 63: guide slot.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with accompanying drawings 1 to 7 in the embodiments of the present utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. The detailed description of embodiments of the invention generally described and illustrated in the drawings herein is not intended to limit the scope of the invention as claimed, but merely represents selected embodiments of the invention. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Embodiment one

As shown in Figure 1, an electrical cabinet lock with double lock cylinders includes a base 1, a handle 2, and a handle lock 3. There is a handle groove 1-1 on the base 1, and the handle 2 is connected to the base 1 in the form of a hinge. And the handle 2 can be accommodated in the handle groove 1-1, the handle lock 3 is fixed on one end of the base 1, and the handle 2 can be locked and unlocked through the handle lock 3; the base 1 corresponding to the handle groove 1-1 The main lock fixing screw 4-5 is used to fix the main lock piece 4 below;

As shown in Figures 2 and 3, the main lock 4 includes a main lock cylinder 4-1, a main lock sleeve 4-2, a main lock bolt 4-3 and a main lock shaft 4-4, and the main lock sleeve 4 -2 is a cylindrical structure and can accommodate the main lock cylinder 4-1 and fix it on the base 1. The main lock cylinder 4-1 can choose a common mechanical lock cylinder or an electronic lock cylinder in the market. In this embodiment Preferred application number is 200710165666.2 "an electronic lock cylinder with a clutch device and an electronic lock containing the electronic lock cylinder" disclosed lock cylinder; one end of the main lock cylinder 4-1 is connected with the main lock rotating shaft 4-4, and the main lock cylinder The lock rotating shaft 4-4 is threadedly connected with the main lock bolt 4-3, and since the corresponding patent literature of the technical material of the lock cylinder has been published, it will not be described in detail here. The feature of this kind of double lock cylinder electric cabinet lock is that when the whole cabinet lock is opened, the handle 2 must be opened first, and then the main lock 4 can be opened, and the main lock 4 is protected by the handle groove 1-1 and the handle 2. The main lock 4 can be opened by contact or non-contact, such as by RFID, which is not limited here, so it can be inferred that as long as the locks that meet similar structures and functions all belong to the scope of this design idea.

Embodiment two

In order to be able to open the handle lock 3 and the main lock 4 with only one key, which is convenient and quick without wearing multiple keys, the handle lock 3 is improved on the basis of the first embodiment.

An electrical cabinet lock with double lock cylinders, on the basis of Embodiment 1, please refer to Figure 1, Figures 4-6, the handle lock 3 includes a handle lock case 3-1, a fixed ring 3-2, and a rotating ring 3 -3, deadbolt 3-4, positioning pin 3-7 and base plate 3-8, the handle lock shell 3-1 is fixed under one end of the base 1 and the corresponding base 1 is provided with a handle lock hole 1-2 for use To facilitate the insertion of the key, usually, the handle lock case 3-1 and the base 1 are made by integral molding technology, and the handle lock case 3-1 is provided with a ring groove 1-5 corresponding to the handle lock hole 1-2. Ring groove 1-5 is a cylinder groove, and the diameter of this cylinder is less than the diameter of handle lock hole 1-2, and ring groove 1-5 can accommodate fixed ring 3-2 and rotating ring 3-3, and handle lock housing 3 -1 is also provided with a deadbolt slot 1-4 for accommodating the deadbolt 3-4;

The fixed ring 3-2 and the rotating ring 3-3 are placed in the ring groove 1-5 and the axes of the three coincide with each other. The fixed ring 3-2 is connected to the handle lock housing 3-10 by a hexagon socket screw 3-10. 1 is fixed and the fixed ring 3-2 is located at the top of the ring groove 1-5, and the fixed ring 3-2 is radially provided with a first key positioning pin 3-11 with a stepped shaft structure with a large end and a small end. A part of the small end of the key positioning pin 3-11 stretches out from the inner hole of the fixed ring 3-2 to locate the lead-in angle of the key, so as to ensure that the key can only be pulled out when the two positioning pins are on the same straight line;

The rotating ring 3-3 is rotatably arranged below the fixed ring 3-2 and can rotate freely. The rotating ring 3-3 is a cylindrical structure, and the central position of the cylindrical structure is provided with a keyhole. The lower end of the structure is provided with a semicircular groove, and the rotating ring 3-3 is radially also provided with a second key positioning pin 3-12 of a step shaft structure with one end large and the other end small, and the small end of the second key positioning pin 3-12 has a part extending Enter the keyhole, the semicircular groove that the lower end of the rotating ring 3-3 offers corresponds to the stop of the dead bolt 3-4: a part of the stop is movably arranged in the semicircle groove;

A deadbolt 3-4 can be slidably placed under the rotating ring 3-3, and the deadbolt 3-4 includes a slider, one end of the slider is provided with a stopper, and the other end of the slider is provided with an "L" shaped lock hook, There is a long strip-shaped fixed pin slot, and a threaded hole is opened on the side of the block, and a screw 3-5 is fixed in the threaded hole. One end of the screw 3-5 is fixed with a compression spring 3-6, and one end of the compression spring 3-6 is on the handle. On the inner wall of the lock housing 3-1;

Deadbolt 3-4 is arranged in deadbolt groove 1-4, and the lock hook of deadbolt 3-4 stretches out deadbolt groove 1-4 and partly stretches in handle groove 1-1, can lock the groove with the handle of handle 2 The 2-1 contact realizes the locking of the handle 2;

Bottom plate 3-8 is provided with pin hole, and this pin hole is provided with locating pin 3-7, and locating pin 3-7 passes the fixed pin groove of dead bolt 3-4 and is connected with rotating annulus 3-3, passes locating pin 3-7. 7. The cooperation with the elongated fixed pin groove on the dead bolt 3-4 can realize the left and right sliding guide and limit of the dead bolt 3-4;

The bottom plate 3-8 is fixedly connected with the handle lock housing 3-1 through flat head screws 3-9.

In the above, the fixed ring 3-2 and the rotating ring 3-3 installed by the first key positioning pin 3-11 and the second key positioning pin 3-12 are also provided with a stepped hole structure correspondingly, and the inner hole of the stepped hole The diameter is smaller than the diameter of the outer hole, and its function is to only allow the corresponding positioning pin to be placed from the outside to prevent the positioning pin from falling out of the keyhole. Under the action of no external force, the above two stepped holes are in the same straight line and the line is parallel to its axis;

In the case that the main lock 4 adopts the contact opening method, the base 1 corresponding to the main lock 4 is also provided with a main lock hole 1-3, and the main lock hole 1-3 is used to insert the main lock key;

The main lock 4 is fixed under the base 1 by the main lock fixing screw 4-5, and the main lock cylinder 4-1 in the main lock 4 corresponds to the main lock hole 1-3;

One end of handle 2 is provided with handle locking groove 2-1, and the other end of handle 2 is provided with rotating pin hole 2-3, and this rotating pin hole 2-3 is hinged with handle holder 2-6 by rotating pin 2-4, and rotating pin 2 -4 is also worn with a torsion spring 2-5, one end of the torsion spring rests on the bottom surface of the handle 2, and the other end of the torsion spring rests on the handle holder 2-6, and the handle holder 2-6 passes through the handle fixing pin 2- 7 is fixed in the handle base groove 2-9, and the whole combination can realize the handle 2 turning up and down along one end of the handle groove 1-1; in addition, in order to protect the lock cylinder of the main lock 4, the handle 2 and the main lock cylinder 4-1 The corresponding bottom surface is also provided with a dust-proof gasket groove 2-2, and a dust-proof gasket 2-8 is pasted in the dust-proof gasket groove 2-2; the handle base groove 2-9 is fixed on the bottom surface of the base 1 and connected with the handle The cylinder hollow structure corresponding to the lock housing 3-1 is radially provided with a fixing hole for passing through the handle fixing pin 2-7.

When unlocking, at first key 6 is inserted in handle lock hole 1-2, please refer to Fig. 7 and Fig. 6, key 6 comprises key body 60, and key body 60 side is provided with cylindrical key bar 61, and key bar one end is provided with guide. Slot 63, one end of guide groove 63 is connected with rotation positioning groove 62, and rotation positioning groove 62 offers along the key rod circumferential direction; The quasi-first key positioning pin 3-11 stretches into the small end of the inner hole, so that the key bar 61 can smoothly enter the fixed ring 3-2 and the rotating ring 3-3. At this time, the second key positioning pin 3-12 The small end that stretches into the keyhole is also clamped in the guide groove 63; After the key is fully inserted, it can be rotated. The second key positioning pin 3-12 is installed on the rotating ring 3-3, therefore also drives the rotating ring 3-3 to rotate, because the lower end of the rotating ring 3-3 is provided with a semicircular groove and the semicircular groove is connected with the dead bolt 3-3. 4 corresponding to the block, so also utilize the rotational force when the semicircular groove rotates to drive the dead bolt 3-4 to carry out linear motion, when the dead bolt 3-4 slides to the right, the lock hook of the dead bolt 3-4 breaks away from the handle locking groove 2- 1. The handle 2 bounces up under the action of the torsion spring 2-5 to complete the unlocking of the handle 2; after completing the unlocking of the handle 2, turn the key so that the guide groove 63 corresponds to the first key positioning pin 3-11, and then Pull out the key, when the guide groove 63 does not correspond to the first key positioning pin 3-11, because the first key positioning pin 3-11 is blocked by the rotation positioning groove 62, the key 6 cannot be pulled out, and the key can be pulled out after the key is pulled out. Unlock the main lock 4, because the preferred use of the present embodiment is the lock cylinder disclosed in the application number 200710165666.2 "An electronic lock cylinder with a clutch device and an electronic lock containing the electronic lock cylinder", and its unlocking method corresponds to The patent literature of has been recorded in detail, and is not described in detail here.

Claims (10)

1. An electrical cabinet lock with double cylinders, comprising a base (1), a handle (2), and a handle lock (3), the base (1) is provided with a handle groove (1-1), and the handle (2 ) is movably connected with the base (1) and the handle (2) can be accommodated in the handle groove (1-1), the handle lock (3) is arranged at one end of the base (1), through the handle lock ( 3) The handle (2) can be locked and unlocked, characterized in that: A main lock (4) is arranged under the base (1), and the main lock (4) corresponds to the handle groove (1-1); The main lock (4) includes a main lock cylinder (4-1), a main lock sleeve (4-2), a main lock bolt (4-3) and a main lock shaft (4-4). The main lock sleeve (4-2) is a cylindrical structure, the main lock sleeve (4-2) is provided with a main lock cylinder (4-1), and one end of the main lock cylinder (4-1) is connected to the main lock shaft (4-4) is connected, and the main lock rotating shaft (4-4) is connected with the main lock latch (4-3). 2. The double lock cylinder electric cabinet lock according to claim 1, characterized in that: The handle lock (3) includes a handle lock case (3-1), a fixed ring (3-2), a rotating ring (3-3), a lock tongue (3-4), a positioning pin (3-7 ) and the bottom plate (3-8), the handle lock case (3-1) is fixed under one end of the base (1) and the corresponding base (1) is provided with a handle lock hole (1-2), the handle A ring groove (1-5) is provided at the corresponding place of the lock case (3-1) and the handle lock hole (1-2), and the ring groove (1-5) can accommodate the fixed ring (3-2 ) and the rotating ring (3-3), the handle lock housing (3-1) is also provided with a bolt groove (1-4) for accommodating the bolt (3-4); The circular groove (1-5) is a cylinder groove, and the diameter of the cylinder groove is larger than the diameter of the handle lock hole (1-2); The fixed ring (3-2) is fixed on the top of the ring groove (1-5), and the rotating ring (3-3) is movably arranged under the fixed ring (3-2); The rotating ring (3-3) is a cylindrical structure, a key hole is opened in the center of the cylindrical structure, and a semicircular groove is opened at the lower end of the cylindrical structure; A lock tongue (3-4) is slidably provided under the rotating ring (3-3), and the lock tongue (3-4) includes a slider, one end of the slider is provided with a stopper, and the other end of the slider is provided with a "L"-shaped lock hook, the slider is provided with a fixed pin groove, the stopper is provided with a threaded hole, and a screw (3-5) is arranged in the threaded hole, and a compression spring (3-6) is fixed at one end of the screw (3-5) ;The lock tongue (3-4) is set in the lock tongue groove (1-4), and the lock hook of the lock tongue (3-4) protrudes from the lock tongue groove (1-4) and can contact the handle (2) , the handle (2) can be locked or released through the lock tongue (3-4); The bottom plate (3-8) is provided with a pin hole, and the pin hole is provided with a positioning pin (3-7), and the positioning pin (3-7) passes through the fixed pin groove of the lock tongue (3-4) and the rotating ring (3-3) connection; The bottom plate (3-8) is fixedly connected to the handle lock case (3-1) through flat head screws (3-9). 3. The double lock cylinder electric cabinet lock according to claim 2, characterized in that: The fixed ring (3-2) is fixed to the handle lock case (3-1) by a hexagon socket screw (3-10), and the fixed ring (3-2) is radially provided with a first key positioning pin (3 -11); The rotating ring (3-3) is also provided with a second key positioning pin (3-12) in the radial direction, and the semicircular groove provided at the lower end of the rotating ring (3-3) and the stopper of the lock tongue (3-4) Corresponding. 4. The double lock cylinder electric cabinet lock according to claim 3, characterized in that: The first key positioning pin (3-11) and the second key positioning pin (3-12) are both stepped shaft structures with one end large and the other end small, the first key positioning pin (3-11) and the second key positioning pin (3-12) The corresponding hole is also a stepped hole structure. 5. The double lock cylinder electric cabinet lock according to claim 1, characterized in that: The base (1) corresponding to the main lock (4) is also provided with a main lock hole (1-3), and the main lock hole (1-3) is used for inserting the main lock key; The main lock piece (4) is fixed under the base (1) through the main lock fixing screw (4-5), and the main lock cylinder (4-1) in the main lock piece (4) is connected with the main lock hole (1) -3) corresponding. 6. The double lock cylinder electric cabinet lock according to claim 1, characterized in that: One end of the handle (2) is provided with a handle locking groove (2-1), and the other end of the handle (2) is provided with a rotating pin hole (2-3), and the rotating pin hole (2-3) passes through the rotating pin (2-3). 4) It is hinged with the handle fixing seat (2-6), and a torsion spring (2-5) is also pierced on the rotating pin (2-4). One end of the torsion spring rests on the bottom surface of the handle (2), and the The other end rests on the handle fixing seat (2-6), and the handle fixing seat (2-6) is fixed in the handle base groove (2-9) through the handle fixing pin (2-7). 7. The double lock cylinder electric cabinet lock according to claim 6, characterized in that: The bottom surface of the handle (2) is also provided with a dust-proof gasket groove (2-2), and a dust-proof gasket (2-8) is pasted in the dust-proof gasket groove (2-2); The handle base groove (2-9) is a cylindrical hollow structure fixed on the bottom surface of the base (1) and corresponding to the handle lock case (3-1). Fixing holes for fixing pins (2-7). 8. The double lock cylinder electric cabinet lock according to claim 1, characterized in that: The main lock cylinder (4-1) adopts an electronic lock cylinder. 9. The double lock cylinder electric cabinet lock according to claim 2, characterized in that: The stopper is movably arranged in the semicircular groove. 10. The double lock cylinder electric cabinet lock according to claim 3, characterized in that: In the state of no external force, the first key positioning pin (3-11) and the second key positioning pin (3-12) are located on the same straight line, which is mutually connected with the central axis of the ring groove (1-5). parallel.