CN2693903Y

CN2693903Y - Electric control lock

Info

Publication number: CN2693903Y
Application number: CN 200420050924
Authority: CN
Inventors: 张会鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-05-12
Filing date: 2004-05-12
Publication date: 2005-04-20
Anticipated expiration: 2014-05-12

Abstract

The utility model discloses an electric control lock, comprising a lock base plate, a tension spring, a push rod, a door opening spring, a split pin, a lock hook, a rolling wheel, a small shaft, a hinge piece, a core iron, a coil framework, a copper gasket, a tension spring hanging frame, a core iron positioning plate, a lock hook positioning plate and a door opening spring frame. The lock hook with a slope and a specific circular arc is clamped between the two hinges, and the core iron is connected with the rolling wheel through a double hinge. Meanwhile, adequate space is provided between the two hinges, so that when the door is closed, the lock hook swings up and down without driving the core iron to move. When the door is opened, as the core iron, the double hinge and the rolling wheel are connected together, the core iron moves upward, the hinge swings, and the rolling wheel rolls in the circular arc slot of the lock hook. A core iron positioning base limits the position of the lower limit of the core iron. Therefore, the frictional force of the core iron to the coil framework is reduced to the minimum, so as to achieve the purposes of slow abrasion of the inner hole of the coil framework of the electric control lock and long service life.

Description

Electric control lock

[technical field]

The utility model relates to a kind of electric control lock device.

[background technology]

The structure of electric control lock is the electromagnet by the band inclined-plane substantially at present, circlip, spring, and coil and skeleton are formed.When closing chamber door, a door nose directly clashes into the electromagnet inclined-plane, and under the effect of axial thrust load, electromagnet compression spring bounces back in skeleton, and during door-closing in-place, electromagnet returns to not state at closing time under the effect of spring storage power, and this moment, chamber door was lockable.At closing time, the door nose will produce bigger frictional force to coil rack to the bump on electromagnet inclined-plane.When opening the door, the spring force that opens the door acts on the nose, acts on again on the core iron by the door nose, makes core iron be subjected to the effect of radial component so again, has quickened the wearing and tearing of coil rack inwall.After using several thousand times so repeatedly, the coil rack surface become coarse cause and core iron between resistance strengthen.And then make the difficulty of unblanking, failure, cause electric control lock not use.

[summary of the invention]

The utility model technical issues that need to address are exactly in order to overcome the existing electric control lock deficiency that success rate is low and the life-span is short of unblanking.The utility model electric control lock can not only be eliminated at closing time core iron fully to the friction of skeleton endoporus, and core iron is reduced to minimum to the frictional force of skeleton when opening the door.Thereby improved the success rate of unblanking, prolonged the application life of electric control lock.

For addressing the above problem, the technical solution of the utility model is:

A kind of electric control lock comprises bottom-locking plate, electromagnet casing, coil rack, core iron, hinge plate, little axle, roller, latch hook location-plate, cottor pin, the spring that opens the door, push rod, extension spring, extension spring hanger, core iron location-plate, copper washer, latch hook; Latch hook is clipped in the middle of two hinges, and core iron is connected by two hinges with roller, have living space between roller and the core iron, the core iron location-plate limit core iron the limit inferior position.

Preferably, the utility model electric control lock latch hook and roller connecting portion have a circular arc.

Preferably, the hinge lower end of the utility model electric control lock, a roller is equipped with at latch hook circular arc position.

More preferably, on the utility model electric control lock chamber door door nose roller is housed, this roller is than roller fixed mount height, and latch hook and chamber door door nose roller contact surface are inclined design.

Adopt inclined design at the electric control lock latch hook that contacts with chamber door, latch hook is clipped in the middle of two hinges.With double-strand chain core iron is connected with roller, the core iron location-plate limits the limit inferior position of core iron.When core iron rises to the limes superiors position, still have an appropriate clearance between core iron and the electromagnet.On corresponding with it chamber door lockable mechanism, add a roller, thereby the frictional force that produces is at closing time reduced to minimum.

When at closing time, roller on the chamber door lockable mechanism rolls on the inclined-plane of latch hook front end, promote latch hook around the upwards swing of latch hook fixed axis, because core iron limit inferior position is defined, and suitable space is arranged in the middle of two hinges, so latch hook can not drive the core iron motion, so eliminated the friction of core iron to the skeleton endoporus.

When electromagnet gets when electric, coil produces a magnetic field, and this moment, the coil location seat became a magnetostatic utmost point.Core iron becomes a moving magnetic pole.Core iron enters skeleton to the skeleton direction do axially-movable.Because core iron, hinge, roller are linked in sequence.One circular arc by a given shape of characteristics of motion design is arranged on latch hook, in circular arc, roll, so just reduced the swinging strength of core iron so move hinge swing roller on the core iron.Thereby also just reduced the friction of core iron to the skeleton endoporus.

The beneficial effects of the utility model are, have eliminated the friction of core iron to the skeleton endoporus at closing time fully, when opening the door core iron are reduced to minimum to the frictional force of skeleton endoporus.Therefore guarantee the success rate of unblanking, prolonged the life-span of electric control lock.And manufacturing process is simple, and cost is low.

Below in conjunction with accompanying drawing embodiments of the present invention are described in further detail.

Its operating principle is summarized as follows:

A, when the electromagnet no power, latch hook is being on the latch hook location-plate under the effect of extension spring.When at closing time, act on latch hook effectively, latch hook has living space and will move up because of in the middle of the hinge plate.Push rod is because of being subjected to the force compresses spring simultaneously, and spring shrinks stored energy.When the roller on the chamber door lockable mechanism closed the upright position of latch hook, latch hook returned to original state under the effect of extension spring, i.e. the engagement of roller on latch hook and the chamber door lockable mechanism.Finish the action of closing the door.Extension spring is for preventing that electric control lock from having the situation of unblanking unusually to design, and so just avoided the generation of this situation.

B, when electromagnet gets electric work, core iron is attracted by it, drags latch hook to core iron direction motion by the roller on the hinge plate, this makes every effort to overcome the resistance of having obeyed extension spring.Discharge the roller on the chamber door lockable mechanism, because of the roller design on the chamber door lockable mechanism is reduced to minimum to frictional force between chamber door lockable mechanism and the latch hook.Push rod is determined by the characteristic of spring itself when discharging chamber door because of external force disappears, and the direction moving handle chamber door that outward force is opposite is opened certain space.Be convenient to take out article.

[description of drawings]

Fig. 1 electric control lock structural entity general assembly schematic diagram

The local enlarged diagram of electric control lock state of living in and locking structure when Fig. 2 chamber door is closed

The specific circular arc schematic diagram of Fig. 3 latch hook

Fig. 4 core iron and latch hook structural representation

[specific embodiment]

Electric control lock structural entity general assembly schematic diagram as shown in Figure 1, include bottom-locking plate 1, electromagnet casing 2, coil rack 3, core iron 4, hinge plate 5, little axle 6, roller 7, latch hook location-plate 8, cottor pin 9, the spring 10 that opens the door, push rod 11, extension spring 12, extension spring hanger 13, core iron location-plate 14, copper washer 15, latch hook 16, preferably, latch hook and roller connecting portion have a circular arc 17.The hinge lower end, a roller is equipped with at latch hook circular arc position.On the chamber door door nose roller is housed, this roller is than roller fixed mount height, and latch hook and chamber door door nose roller contact surface are inclined design.

Chamber door is shut the local enlarged diagram of rear cabinet door lock locking mechanism and latch hook view of living in and chamber door lockable mechanism as shown in Figure 2: the roller on the chamber door lockable mechanism is than roller fixed mount height, and it is the advantage of the face way of contact that this design has with the latch hook way of contact.Help reducing frictional force.Make simple.

When closing chamber door, the roller on the chamber door lockable mechanism contacts with the inclined-plane of latch hook 16, and the roller on the chamber door lockable mechanism is as a quiet utmost point.Because of latch hook has enough activity spaces in the middle of hinge plate,, abdicate the space for the roller of chamber door lockable mechanism so latch hook can move upward at the effect lower edge of chamber door lockable mechanism roller force hinge plate.When the roller on the chamber door lockable mechanism slips over the time marquis of latch hook vertical end, latch hook returns to original state because of the effect that is subjected to extension spring power, and chamber door is by locked simultaneously

The specific circular arc of latch hook as shown in Figure 3.

The core iron of electric control lock and latch hook structural representation are as shown in Figure 4.Form by the little axle of core iron, hinge plate, latch hook, roller as shown in the figure.Core iron front end and hinge plate adopt and flexibly connect, and to the frictional force of core iron and inboard wall of skeleton, have prolonged application life when having reduced latch hook work.The hinge plate other end adopts roller design, and Dui Ying latch hook relevant position has a specific circular arc 17 with it.Roller just in time is in this circular arc.

Claims

1, a kind of electric control lock comprises bottom-locking plate (1), electromagnet casing (2), coil rack (3), core iron (4), hinge plate (5), little axle (6), roller (7), latch hook location-plate (8), cottor pin (9), the spring that opens the door (10), push rod (11), extension spring (12), extension spring hanger (13), core iron location-plate (14), copper washer (15), latch hook (16); It is characterized in that: latch hook is clipped in the middle of two hinges, and core iron is connected by two hinges with roller, have living space between roller and the core iron, the core iron location-plate limit core iron the limit inferior position.

2, the described electric control lock of claim 1 is characterized in that latch hook and roller connecting portion have a circular arc (17).

3, claim 1 or 2 described electric control locks is characterized in that described hinge lower end, and a roller is equipped with at latch hook circular arc position.

4, the described electric control lock of claim 1 is characterized in that on the chamber door door nose roller being housed, and this roller is than roller fixed mount height, and latch hook and chamber door door nose roller contact surface are inclined design.