CN105139996B

CN105139996B - Self-locking transformer

Info

Publication number: CN105139996B
Application number: CN201510477868.5A
Authority: CN
Inventors: 马辉东; 李江涛; 张飞; 孙江峰; 史现都; 刘金川
Original assignee: JINGLONG INDUSTRY AND COMMERCE GROUP CO LTD
Current assignee: Hebei Jing Long Sun Equipment Co ltd
Priority date: 2015-08-06
Filing date: 2015-08-06
Publication date: 2017-03-08
Anticipated expiration: 2035-08-06
Also published as: CN105139996A

Abstract

The utility model provides a from locking-type transformer, includes the open transformer main body in top, has box apron, its characterized in that in the uncovered department of transformer main body: the bottom surface of the box cover plate is provided with a vertical hook, a swinging hook which is interlocked with the vertical hook is arranged on the inner wall of the transformer main body corresponding to the vertical hook, the bottom of the swinging hook is a horizontally extending rectangular block, the bottom of the swinging hook is hinged with a support rod which horizontally extends out of the inner wall of the transformer main body, an electromagnet is arranged below the swinging hook in an inclined mode, the electromagnet is attached to and fixed on the inner wall of the transformer main body through an insulating material and is connected with a controller, the controller is connected with a magnetic card identifier, the electromagnet is used as a power source, the adsorption capacity and the rejection capacity of the electromagnet are fully utilized, the energy utilization rate is high, the locking efficiency is very good, the position of the lock hook is hidden inside the box body, an outsider cannot perceive that the position of the lock hook cannot be violently torn open, or a longer outsider cannot be.

Description

A kind of self-locking transformator

Technical field

This utility model belongs to burglary-resisting installation field, particularly to a kind of self-locking transformator.

Background technology

In recent years, some lawless persons are exposed anti-theft device using anti-theft screw etc. that instrument destroys transformator and are implemented Crime, because anti-theft device is outer naked, enables stealer to formulate corresponding tool for destroying.Thus it is short to reach crime time, anti-theft effect Inconspicuous, and also will destructive remove in maintenance, waste time and energy waste of resource, some old transformations with social progress Device is still in use, and the upgrading of tool for destroying has been more conducive to lawless person and has carried out illegal pilferage crime, therefore nowadays how to transformation The protection facility of device improves and has become as a significant problem.

Utility model content

Technical problem to be solved is, the excessively old powerless opposing lawless person's of existing tranformer protection facility The problem of destructive instrument and propose a kind of self-locking transformator, to lift the safety of casing, to realize locking device position Putting hidden lawless person cannot the problem that is torn down of summit.

There is provided technical scheme be：

Provide, a kind of self-locking transformator, including the transformer body that top is uncovered, in the open-mouth of transformer body Envelope have box cover it is characterised in that：Fishing carried on the bottom surface of box cover, corresponding with fishing in transformer body Inwall be provided with fishing interlocking swing hook, the bottom of swing hook is horizontal-extending rectangular blocks, the bottom of swing hook It is hinged with by the pole that the inwall of transformer body extend horizontally away, be provided with an electric magnet, electromagnetism in the obliquely downward of swing hook Tie Tong crosses insulant and presses close to and be fixed on the inwall of transformer body, and electric magnet is connected with controller, controller and magnetic card Evaluator is connected.

Further, at the angle that collaborates being arranged right below a knuckle shape of swing hook, the underface of electric magnet is being provided with one Permanent magnet, permanent magnet is fixedly connected with collaborating angle phase, and the turning collaborating angle is in the support stretched out by transformer body inwall Bar is hinged, and the projection that the bottom surface on the top and swing hook that collaborate angle is stretched out is relative.

Further, described swing hook is made up of centering block and hook bar, the groove that hook bar one end is had with centering block top Mutually it is fitted together to, hook bar and cell wall facade have dowel hole with one heart, insert a keyed shaft with by centering block and hook bar phase in dowel hole Connect.

Further, it is located at below keyed shaft and is provided with a support plate on the wall of swing hook side, be provided with a motor positioned at support plate, The round end of motor is connected with a leading screw, is fitted with screw block on leading screw, and screw block is fixedly connected with one end of keyed shaft.

Further, corresponding with dowel hole be provided with projection on the side wall of swing hook opposite side, have one end in projection Close the hole that the other end is consistent with described dowel hole profile and docks, be inserted into spring in hole, on the interior top of hole It is provided with the second contact switch.

Further, described swing hook and the opposite face of transformer body side wall are fixedly connected with a stage clip, stage clip One end prop up transformer body side wall.

Further, the rectangular blocks in swing hook bottom and the opposite face of transformer body side wall are provided with a rolling Wheel.

Further, the bottom surface of fishing and the upper surface of swing hook are further opened be easy to the two being engaged to interlocking state Inclined-plane.

Further, corresponding with electric magnet the first contact switch is provided with described rectangular blocks.

Further, the corner in rectangular blocks corresponding with electric magnet becomes inclined plane shape.

That brings compared to existing technology has the beneficial effect that：

Novel interlock formula hook body structure, latch hook position is hidden in box house, and stranger cannot discover latch hook position and cannot enter Row sudden huge profits tear down, or the relatively costly time-consuming longer stranger of sudden huge profits orcible entry cannot remove at all.

Using electric magnet as power source, and the absorbability of electric magnet and repulsion ability all are made full use of, top Interlocking contact when swing hook is adsorbed, bottom is repelled so that collaborate angle can reversely lift swing hook again, assists swing hook to keep lift Play attitude, energy utilization rate is high, locking efficiency is very good.

Swing hook side also carries safety, when electric magnet damages, safety can also contact interlocking, contact Process is that motor rotation keyed shaft gradually deeply instructs the key of keyed shaft to exit the keyway of hook bar, hook bar and key axle along keyhole The cooperation of brilliance part, therefore hook bar can arbitrarily lift upset swings, and external staff directly lifts box cover.

Brief description

Fig. 1 is interlocking state side view of the present invention

Fig. 2 releases interlocking state side view for the present invention

Fig. 3 is overall structure diagram of the present invention

Fig. 4 is the annexation of hook bar of the present invention and centering block part and outside keyed shaft and its motor leading screw, the location drawing

Fig. 5 is the present invention each module by signal graph of a relation

Fig. 6 present invention uses mechanism flow chart

Description of reference numerals：Fishing 1, hook bar 2, centering block 3, collaborate angle 4, stage clip 5, roller 6, pole 7th, electric magnet 8, permanent magnet 9, strut 10, support plate 11, spring 12, keyed shaft 13, leading screw 14, motor 15.

Specific embodiment

As shown in Figure 1, 2, there is provided a kind of self-locking transformator, including the transformer body that top is uncovered, in transformator Main body open-mouth envelope have box cover, on the bottom surface of box cover carry fishing 1, fishing 1 near the edge of box cover, Corresponding with fishing 1 swing hook being provided with the inwall of transformer body with fishing 1 interlocking, swing hook by centering block 3 and Hook bar 2 forms, and described centering block 3 carries the upwardly extending rectangular blocks protruding bar, hook bar 2 one end and protrusion bar for upper surface The groove phase that top has is fitted together to, and has dowel hole with one heart, be inserted into a band in dowel hole on hook bar 2 and groove cell wall facade So that centering block 3 to be connected with hook bar 2, the optical axis portion of keyed shaft 13 stretches out outside dowel hole key axle 13, the bottom of swing hook with The pole 7 being extend horizontally away by the inwall of transformer body is hinged, and is provided with an electric magnet 8, electromagnetism in the obliquely downward of swing hook Ferrum 8 is pressed close to by insulant and is fixed on the inwall of transformer body, and electric magnet 8 is connected with controller, controller and magnetic Ticket identifier is connected, and magnetic card evaluator is inlaid in the side wall breach of transformer body, and induction zone is towards external environment condition, rectangular block Body corresponding with electric magnet 8 corner become inclined plane shape, this inclined-plane is provided with the first contact switch, the protrusion on swing hook top It is fixedly connected with a stage clip 5, in rectangular blocks and the transformator of swing hook bottom on bar and the opposite face of transformer body inwall One roller 6 is provided with the opposite face of main body inner wall, one end of stage clip 5 props up transformer body inwall, swing hook just under What side was provided with a right angle knuckle shape collaborates angle 4, the underface of electric magnet 8 being provided with a permanent magnet 9, permanent magnet 9 with collaborate Angle 4 is mutually fixedly connected, and collaborates and is hinged with the strut 10 being stretched out by transformer body inwall at the corner location at angle 4, collaborates angle 4 The projection that the bottom surface on the top and swing hook that upwardly extend part is stretched out is relative, and this top all becomes to be easy to on the opposite face of projection The wedge shape of the two laminating.

As shown in figure 3, be located at below keyed shaft 13 being provided with a support plate 11 on swing hook inwall, it is provided with positioned at support plate 11 One motor 15, the round end of motor 15 is connected by one end of shaft coupling one leading screw 14, and the other end of leading screw 14 is erected at axle bed Interior, leading screw 14 is fitted with leading screw 14,14 one end stretched out outside dowel hole with keyed shaft 13 of leading screw are fixedly connected, with Dowel hole is provided with projection accordingly on the inwall of swing hook opposite side, has one end closing other end and described keyway in projection Hole profile unanimously and the hole that docks, has been inserted into spring 12 in hole, has been provided with the second contact switch on the interior top of hole.

The bottom surface of fishing 1 and the upper surface of swing hook are further opened with being easy to the inclined-plane that the two is engaged to interlocking state.

Described controller is also connected with alarm.

According to being illustrated using mechanism and its motor process of Fig. 1,2,3,4,5, the 6 couple present invention：

When the magnetic card of the hand-held mistake of operator is when swiping the card in magnetic card evaluator region, by magnetic after evaluator identification magnetic card Card information feeds back to controller, if no this card information in controller, this loop ends.

When the hand-held correct magnetic card of operator is when swiping the card in magnetic card evaluator region, by magnetic after evaluator identification magnetic card Card information feeds back to controller, and card information is matched by controller with the card information storehouse in memorizer, controls after the match is successful Device control PLC processed starts electric magnet 8, and electric magnet 8 energising produces magnetic force and adsorbs the rectangular block of swing hook bottom, swing hook bottom Rectangular block press close to electric magnet 8 around pin joint, now the permanent magnet 9 of electric magnet 8 bottom is because principle of same-sex repulsion is to moving down Move away from electric magnet 8 so that the part that upwardly extends collaborating angle 4 lifts the projection that the bottom surface of swing hook is stretched out obliquely, and Collaborate the top inclined-plane at angle 4 and the inclined-plane of the projection of opposing oscillatory hook bottom fits like a glove, the first contact switch trigger switch letter Number and switching signal is fed back to controller, this operation completes, and operator lift box cover.

If the non-feedback switch signal of above-mentioned first contact switch, then controller starts motor 15, and motor 15 rotarily drives Leading screw 14 and then promotion leading screw 14 and then promotion keyed shaft 13 are along dowel hole to dowel hole interior slip until keyed shaft 13 The second contact switch is pressed, switching signal is fed back to controller electricity by the second contact switch during the top arriving at projection inner void Machine 15 stall, after the insertion certain depth when keyed shaft 13 compresses the second contact switch, the key of keyed shaft 13 just exits hook bar 2 Keyway, hook bar 2 releases annexation with centering block 3, now the matching with the optical axis portion of keyed shaft 13 with keyway of hook bar 2, Hook bar 2 can lift box cover around the arbitrarily angled swing of the optical axis portion of keyed shaft 13, operator.

If the non-feedback switch signal of above-mentioned second contact switch, controller starts alarm, and staff can be using correlation Instrument tears down.

Claims

1. a kind of self-locking transformator, including the transformer body that top is uncovered, has casing in the open-mouth envelope of transformer body Cover plate it is characterised in that：Fishing (1) carried on the bottom surface of box cover, corresponding with fishing (1) in transformer body Inwall is provided with the swing hook interlocking with fishing (1), and the bottom of swing hook is horizontal-extending rectangular blocks, the bottom of swing hook It is hinged with the pole (7) being extend horizontally away by the inwall of transformer body, be provided with an electric magnet in the obliquely downward of swing hook (8), electric magnet (8) is pressed close to by insulant and is fixed on the inwall of transformer body, electric magnet (8) and controller phase Even, controller is connected with magnetic card evaluator.

2. a kind of self-locking transformator according to claim 1 it is characterised in that：It is arranged right below a folding in swing hook Horn shape collaborate angle (4), the underface of electric magnet (8) being provided with a permanent magnet (9), permanent magnet (9) with collaborate angle (4) phase It is fixedly connected, the corner collaborating angle (4) is hinged with the strut (10) being stretched out by transformer body inwall, collaborates angle (4) The projection that top is stretched out with the bottom surface of swing hook is relative.

3. a kind of self-locking transformator according to claim 1 it is characterised in that：Described swing hook by centering block (3) with And hook bar (2) forms, the groove that hook bar (2) one end is had with centering block (3) top is mutually chimeric, on hook bar (2) and cell wall facade Have dowel hole with one heart, insert a keyed shaft (13) so that centering block (3) to be connected with hook bar (2) in dowel hole.

4. a kind of self-locking transformator according to claim 3 it is characterised in that：It is located at below keyed shaft (13) and swing Hook side wall is provided with a support plate (11), is provided with a motor (15), the round end of motor (15) and a leading screw positioned at support plate (11) (14) it is connected, screw block is fitted with leading screw (14), screw block is fixedly connected with the one end of keyed shaft (13).

5. a kind of self-locking transformator according to claim 4 it is characterised in that：Corresponding with dowel hole another in swing hook The side wall of side is provided with projection, has one end and close the hole that the other end is consistent with described dowel hole profile and docks in projection Hole, has been inserted into spring (12) in hole, is provided with the second contact switch on the interior top of hole.

6. a kind of self-locking transformator according to claim 1 it is characterised in that：Described swing hook and transformer body One stage clip (5) is fixedly connected with the opposite face of side wall, one end of stage clip (5) props up transformer body side wall.

7. a kind of self-locking transformator according to claim 1 it is characterised in that：Rectangular blocks in swing hook bottom with One roller (6) is provided with the opposite face of transformer body side wall.

8. a kind of self-locking transformator according to claim 1 it is characterised in that：Bottom surface and swing hook in fishing (1) Upper surface on be further opened with being easy to the inclined-plane that the two is engaged to interlocking state.

9. a kind of self-locking transformator according to claim 1 it is characterised in that：Corresponding with electric magnet (8) in institute The rectangular blocks stated are provided with the first contact switch.

10. a kind of self-locking transformator according to claim 1 it is characterised in that：Corresponding with electric magnet (8) in square The corner of shape block becomes inclined plane shape.