CN102812195A

CN102812195A - Padlock protection device

Info

Publication number: CN102812195A
Application number: CN2012800007283A
Authority: CN
Inventors: 李建锋
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2012-04-25
Filing date: 2012-04-25
Publication date: 2012-12-05
Anticipated expiration: 2032-04-25
Also published as: WO2012126408A2; WO2012126408A3; CN102812195B

Abstract

The invention discloses a padlock protection device, applied in a door having a nose. The padlock protection device includes: a base and a sliding cover fixed on the door body, wherein the sliding cover and the base are in sliding connection, and after the sliding cover covers the base, a shell having an open end is formed, and the nose is received inside the shell; the sliding cover is provided with a locking component facing the base and having a latch hole, and after the sliding cover covers the base, the padlock can enter from the open end and lock the locking component and the nose via the latch hole of the locking component and the latch hole of the nose. In the padlock protection device, by means of coordination of the sliding cover and the base, a shell structure is formed, the relatively weak latch and nose can be completely protected quite well, the latch or part of the latch and the nose can be arranged inside the shell, therefore, no matter what the angle, tools such as steel crowbars and hydraulic nippers cannot easily enter the sliding cover to damage the padlock; furthermore, the sliding cover and the base are in sliding coordination, therefore there is no breakthrough hole on the sliding cover and the base themselves for the tools to damage the padlock.

Description

A kind of padlock protective device

Technical field

The present invention relates to communication technique field, particularly a kind of padlock protective device.

Background technology

Door lock almost all has application in each big field as a kind of safety guard.With the communication technique field is example, and along with the continuous development of mechanics of communication, outdoor base station is more and more; The most of communication apparatus of outdoor base station all is mounted in the Cabinet; This just proposes higher requirement to the antitheft of Cabinet, anti-violence destructive characteristics, and door padlock, especially its lock bolt and the hanging nose of Cabinet; Be one of the most weak position of whole rack antitheft and violence damage ability, the breach of unnormal unlocking or violence damage often.

Because lock bolt and hanging nose are exposed to the cabinet door outside fully, often to be cut off by hydraulic pressure cutting nippers etc. easily, the while is also pried open by drill rod crowbar etc. easily.For avoiding padlock by violence damage, can a protective device be installed on padlock usually, please refer to Fig. 1, Fig. 1 is the structural representation of a kind of padlock protective device in the prior art.

These padlock 14 protective devices mainly comprise spill spin block 12, base plate 11 and trip bolt, and base plate 11 is installed on the door-plate through trip bolt, and spill spin block 12 is installed on the base plate 11 through screw 13.Base plate 11 has Z-shaped intermediate support 111, and intermediate support 111 is provided with latch hole, the lobed baffle plate in the both sides of spill spin block 12, and also be provided with latch hole on the spill spin block 12.The operating procedure of these padlock 14 protective devices is following:

At closing time, crank 100 rotations are to pin cabinet door, and crank 100 is placed on base plate 11 intermediate supports 111; Is that rotating shaft is rotated clockwise to state straight down with spill spin block 12 with screw 13; Crank 100 is between base plate 11 and spill spin block 12, and the latch hole on the spill spin block 12 is concentric with the latch hole of intermediate support 111 at this moment, the latch hole of the lock bolt 141 of padlock 14 being passed spill spin block 12 and intermediate support 111; Then spill spin block 12 is all locked by padlock 14 with crank 100, can't rotate.As can be seen from Figure 1, the lock bolt 141 of padlock 14 just in time all places between the protruding baffle plate in spill spin block 12 both sides, thereby the drill rod crowbar can't be used, and can not pry open, and hydraulic pressure cutting nippers etc. also is difficult to cut lock bolt 141 under the restriction of baffle plate.When opening the door, take off padlock 14, spill spin block 12 is rotated counterclockwise to the top, and crank 100 can rotate to open cabinet door.

There is following technical problem in above-mentioned padlock 14 protective devices: the first, the base plate 11 employing panel beating moulding of protective device, and spill spin block 12 only are assembled together through a screw 13 with base plate 11, and the intensity of device is not high, is pried open easily; The second, rely on the protruding baffle plates protection in spill spin blocks 12 both sides because lock bolt 141 is main, projection is easily by bending, causes outside lock bolt 141 is exposed to, thereby cut off or pry open easily.

Summary of the invention

The purpose of this invention is to provide a kind of padlock protective device, be used for solving problems such as prior art padlock protective device intensity is lower, the structure of protection lock bolt is easy to wreck.This padlock protective device has slip lid and the base that matches, cooperate firm, intensity is high, and slip lid can effectively prevent violence damage with lock bolt protection and its inner chamber.

For reaching the object of the invention, the present invention provides a kind of padlock protective device, is applied to have the door of hanging nose, and said hanging nose has latch hole, and this latch hole realizes the locking of opposite house through linking to each other with the locking bolt of padlock, and said padlock protective device comprises:

Be fixed in base and slip lid on the body; Said slip lid and said base are slidingly connected, and make said slip lid to block and cover said base, after said slip lid card covers said base; Form a housing, and said hanging nose is placed in the said housing with openend;

Said slip lid is provided with towards said base and Lock Part with latch hole; After said slip lid card covers said base, make said padlock to get into and the latch hole of latch hole through said Lock Part and said hanging nose realizes the locking of said Lock Part and said hanging nose from said openend.

Because the mode that this padlock protective device takes slip lid and base to cooperate; Form shell-like structure; Can preferably comparatively fragile lock bolt and hanging nose be protected fully, lock bolt and hanging nose can place between slip lid and the base fully, also can the part or all of lock body of padlock be included in the protection domain; Then from any angle, instruments such as drill rod crowbar, hydraulic pressure cutting nippers all are not easy to get into and destroy in the slip lid; And slip lid and base are slidingly matched, and then slip lid and base do not have the breach that supplies above-mentioned instrument to destroy originally as the shelly overall structure; The locking and unlocking that slides the cooperation padlock up and down through slip lid makes that the opening and closing of cabinet door are also comparatively convenient.

Description of drawings

Fig. 1 is the structural representation of a kind of padlock protective device in the prior art;

A kind of structural representation of specific embodiment when Fig. 2 is padlock protective device provided by the present invention and padlock locking;

Fig. 3 is the structural representation of another kind of angle among Fig. 2;

Fig. 4 is the structural representation after the release of padlock protective device among Fig. 2;

Fig. 5 is the structural representation of padlock protective device among Fig. 3;

Fig. 6 is the structural representation after the release of padlock protective device among Fig. 5;

Fig. 7 is the structural representation of base in the padlock protective device among Fig. 5;

Fig. 8 is the structural representation of slip lid among Fig. 3;

Fig. 9 is a structural representation of preventing the scraping outer cover among Fig. 6 on the U-shaped boss;

Figure 10 is the sketch map of another angle of base among Fig. 7;

Figure 11 is the sectional view of base chute among Figure 10;

Figure 12 is the structural representation of the another kind of specific embodiment of padlock protective device provided by the present invention;

Figure 13 is the structural representation of slip lid among Figure 12;

Figure 14 is the structural representation of U-shaped boss among Figure 12.

Among Fig. 1, base plate 11, intermediate support 111, spill spin block 12, screw 13, padlock 14, lock bolt 141, crank 100;

Among Fig. 2-14, door body 10, padlock 30, hanging nose 40, crank 50, base 21, chute 211, positive stop lug boss 212, ball 213, spring 214, ladder unthreaded hole 215, screwed hole 216, stop screw 217, slip lid 22, slide rail 221, inboard breach 2211, U-shaped boss 222, latch hole 2221, anti-scraping outer cover 2222, bending edge 2223, handle 223, slideway 224, shrinkage pool 225, pick-proof baffle plate 226, trip bolt 227.

The specific embodiment

Core of the present invention provides a kind of padlock protective device, and this padlock protective device has slip lid and the base that matches, cooperate firm, intensity is high, and the housing that slip lid and base form is protected in its inner chamber with lock bolt, can effectively prevent violence damage.

In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is done further detailed description below in conjunction with accompanying drawing and specific embodiment.Need to prove; As herein described " on ", D score, " preceding ", " back " " left side " " right side " be the visual angle with the set-up mode of padlock protective device among Fig. 2 all; So that understand this structure, this structure is not played itself the effect of restriction, the padlock protective device vertically is arranged on the body among Fig. 2; In fact, this padlock protective device also can cooperate hanging nose to be provided with according to other directions according to actual user demand.

Please refer to Fig. 2 to Fig. 5, a kind of structural representation of specific embodiment when Fig. 2 is padlock protective device provided by the present invention and padlock locking; Fig. 3 is the structural representation of another kind of angle among Fig. 2; Fig. 4 is that the structural representation Fig. 5 after the release of padlock protective device is the structural representation of padlock protective device among Fig. 3 among Fig. 2; Fig. 6 is the structural representation after the release of padlock protective device among Fig. 5.

Padlock protective device in this specific embodiment is applied to have the door body 10 of hanging nose 40, and hanging nose 40 has latch hole, and this latch hole links to each other through the locking bolt with padlock 30, to realize the locking of opposite house body.The padlock protective device comprises the base 21 that is fixed on the body 10 and blocks the slip lid 22 that is placed on base 21; Slip lid 22 cooperates the back to form the housing with openend with base 21; As shown in Figure 5, slip lid 22 is the shelly that the lower end has opening after cooperating with base 21, and its both sides and upper end are all sealed.Concrete structure is referring to Fig. 7 and Fig. 8, and Fig. 7 is the structural representation of base in the padlock protective device among Fig. 5; Fig. 8 is the structural representation of slip lid among Fig. 3.The both sides of base 21 have the chute 211 of notch towards the side among Fig. 7; The both sides of slip lid 22 have the slide rail 221 (slip lid 22 both sides are to the bending edges of inner bending in promptly scheming) that inserts in the chute 211; Slide rail 221 and chute 211 clamping all around; Be that slip lid 22 only can slide up and down along chute 211, be difficult to relative motion take place from other directions and base 21.

Place the padlock 30 (referring to Fig. 3) in the padlock protective device to be used for the locking system that locking has crank 50 (referring to Fig. 4) among this embodiment, i.e. padlock 30 locking cranks 50.Hanging nose 40 is fixed on the body 10 among Fig. 4, has the centre bore that supplies hanging nose 40 to pass on the crank 50, and the lock bolt of padlock 30 inserts in the latch hole of hanging nose 40, can be with crank 50 lockings.Among this embodiment, need hanging nose 40 is placed between base 21 and the slip lid 22, among Fig. 4; The lower end of base 21 has opening; Base 21 is installed on 10 last times an of body, and hanging nose 40 is positioned at this opening part, when slip lid 22 slides to the below; Hanging nose 40 is between slip lid 22 and base 21, and promptly hanging nose 40 is placed in the housing of slip lid 22 card cover bases 21 back formation.

As shown in Figure 8; Slip lid 22 is provided with the U-shaped boss 222 that is provided with and has latch hole towards base 21; U-shaped boss 222 is located at the lower end of slip lid 22; The both sides double wall of U-shaped boss 222 has concentric latch hole, and slip lid 22 slides downwards hanging nose 40 is held between two double walls of U-shaped boss 222, when the latch hole of hanging nose 40 and the latch hole of double wall are concentric; The latch hole of the lock bolt of padlock 30 lock hanging simultaneously hanging nose 40 and the latch hole of 222 liang of double walls of U-shaped boss, then padlock 30 locks slip lid 22 and crank 50 simultaneously.Promptly the operating procedure of this padlock protective device is following: at closing time, promote slip lid 22 and slide downwards, when the latch hole 2221 of U-shaped boss 222 and hanging nose 40 latch hole were concentric, the lock bolt of padlock 30 passed the latch hole locking of the two simultaneously; When opening the door, untie padlock 30, promote slip lid 22 and upwards slide; Crank 50 is broken away from hanging nose 40, rotate crank 50, can open cabinet door; Between crank 50 and the door body 10 precompressed spring can be set; After then taking off padlock 30, crank 50 can be upspring automatically and broken away from hanging nose 40 under the effect of spring, operates more easy.Hence one can see that; U-shaped boss 222 is mainly used in and 30 lockings of hanging nose 40, padlock, thereby fixedly slip lid 22 and base 21 then can be expected; The Lock Part that cooperates with padlock 30 lock bolts is set on slip lid 22 to get final product; Be not limited to U-shaped boss 222 structures, such as boss structure directly is set, on boss structure, be provided with can with the concentric latch hole of hanging nose 40 latch hole.Certainly, U-shaped boss 222 is during as Lock Part, because this structure has the both sides double wall, in the middle of being convenient to hanging nose 40 is held on, makes that locking is more reliable.

Further, the Lock Part of slip lid 22 can have anti-scraping outer cover 2222, please refer to Fig. 9, and Fig. 9 is a structural representation of preventing the scraping outer cover among Fig. 6 on the U-shaped boss.Has corresponding screwed hole on anti-scraping outer cover 2222 and the U-shaped boss 222; Fixing through trip bolt 227; When U-shaped boss 222 up positive stop lug boss 212 with base 21 are conflicted; Upper surface A by anti-scraping outer cover 2222 conflicts with positive stop lug boss 212, and hanging nose 40 between 222 liang of double walls of U-shaped boss the time, when lock bolt passes the latch hole on the U-shaped boss 222, is also contacted with hanging nose 40, lock bolt by the anti-outer cover 2222 of swiping; Then anti-scraping outer cover 2222 can reduce the wearing and tearing of U-shaped boss 222, guarantees the reliability of slip lid 22 lockings.The material of anti-scraping outer cover 2222 can be nylon, rubber or adopt other nonmetals to process.

Can know by foregoing; Because the mode that this padlock protective device takes slip lid 22 and base 21 to cooperate; Form shell-like structure, can preferably comparatively fragile lock bolt and hanging nose 40 be protected fully, as can be seen from the figure; Lock bolt and hanging nose 40 can place in the housing that forms behind slip lid 22 and the base 21 complete Ka Gai fully; Also can the part or all of lock body of padlock 30 be included in the protection domain of housing, then from any angle, instruments such as drill rod crowbar, hydraulic pressure cutting nippers all are not easy to get into and destroy in the slip lid 22; And slip lid 22 is slidingly matched with base 21, and chute 211 is the mode of clamping with slide rail 221; Then slip lid 22 does not have the breach that supplies above-mentioned instrument to destroy with 21 of bases as the shelly overall structure, when slip lid 22 adopts steel or aluminium alloy compression casting or machine to process with base 21; Intensity is higher; It is also littler to destroy probability, and certainly, slip lid 22 also can pass through the panel beating welding fabrication with base 21; The locking and unlocking that slides cooperation padlock 30 up and down through slip lid 22 makes that the opening and closing of cabinet door are also comparatively convenient.In addition, can also be provided with on the slip lid 22 and promote the handle 223 that slip lid 22 slides along chute 211, as shown in Figure 5, be convenient to practical operation; The both sides of slip lid 22 also can be provided with the side breach, are convenient to the lock bolt locking hanging nose 40 and slip lid 22 of padlock 30.

Can expect that the structure of base 21 and slip lid 22 is not limited to said structure, also chute 211 can be set in the both sides of slip lid 22, the both sides of base 21 are provided with the slide rail 221 that matches, and make base 21 slide to be connected along base 21 length directions with slip lid 22 and get final product; In addition, the notch of base 21 upper hopper chutes 211 also can be provided with towards slip lid 22, and certainly, notch is provided with towards the side, makes interface between slide rail 221 and the chute 211 towards door body 10, more helps the destruction of the instrument that prevents.

Further, the upper end of base 21 can be provided with the positive stop lug boss 212 towards slip lid 22, understands in conjunction with Fig. 7 and Fig. 8, after slip lid 22 cards are placed on base 21, and the upper end of positive stop lug boss 212 sealing slip lids 22 and base 21.After padlock 30 is opened; Slip lid 22 releases are upwards slided when U-shaped boss 222 is positioned at positive stop lug boss 212 places; U-shaped boss 222 is conflicted with positive stop lug boss 212, and slip lid 22 can't continue up, positive stop lug boss 212 then is set after; Slip lid 22 operation amplitudes are excessive and break away from base 21 in the time of can avoiding release, are convenient to lock again at closing time.Certainly; Be not provided with under the situation of positive

stop lug boss

212 and 222 cooperations of U-shaped boss; The slip lid 22 that breaks away from from the upper end can insert in the chute 211 again and slide downwards and cooperate locking, compared to this kind situation, positive stop lug boss 212 is set makes that the operation of padlock protective device is more convenient; And positive stop lug boss 212 can be realized the sealing of slip lid 22 and base 21 upper ends simply, and avoiding tool for destroying is that the breach is destroyed with the upper end.The upper end of positive stop lug boss 212 sealing slip lids 22 and base 21 is set through the upper end at base 21 among this embodiment, and in fact, the upper end that positive stop lug boss 212 is located at slip lid 22 also can reach the purpose of closed upper end.

Please continue with reference to figure 7 and Fig. 8; Positive stop lug boss 212 is provided with at least one group of pretensioned spring 214 (being that spring 214 is in compressive state) and ball 213; Spring 214 is provided with towards slip lid 22, and the end of spring 214 is equipped with ball 213, after then slip lid 22 cooperates with base 21; Under the reset response power of spring 214, ball 213 pushes against on slip lid 22.The inner surface of slip lid 22 is provided with the slideway 224 and shrinkage pool 225 that cooperates with ball 213, and slideway 224 and shrinkage pool 225 are between slip lid 22 upper ends and Lock Part.Slideway 224 extends along slip lid 22 line of travel, and the degree of depth of shrinkage pool 225 is deeper than the degree of depth of slideway 224, and shrinkage pool 225 is connected to the lower end of slideway 224 mutually.Positive stop lug boss 212 shown in Fig. 7 is provided with three groups of pretensioned springs 214 and ball 213, the shrinkage pool 225 that slip lid 22 is provided with three groups of slideways that laterally arrange 224 and is positioned at slideway 224 lower ends.When then opening the door release; It is up to promote slip lid 22; Ball 213 relatively rolls downwards along the upper end of slideway 224, then do not have external force and act on 22 last times of slip lid, the frictional force between ball 213 and the slip lid 22 can with the gravitational equilibrium of slip lid 22; Slip lid 22 can rest on automatically landing of any position, is convenient to actions such as operating personnel carry out release, open cabinet door, locking.

In addition, when conflict in the lower surface of the upper surface of U-shaped boss 222 and positive stop lug boss 212, ball 213 tumbles just to shrinkage pool 225; And by spring 214 ball 213 is contacted in the shrinkage pool 225, because the degree of depth of shrinkage pool 225 is deeper than the degree of depth of slideway 224, then in this position; Slip lid 22 also receives the support of ball 213, and therefore, the stop of slip lid 22 is more stable; At this moment, can rotate crank 50 and open cabinet door; When locking a door, apply external force a little, following sliding lid 22; Overcome the frictional force between ball 213 and the slip lid 22, make ball 213 break away from shrinkage pool 225, scroll up with respect to slip lid 22; It is concentric with hanging nose 40 latch hole that slip lid 22 can come downwards to the latch hole 2221 of U-shaped boss 222, so that padlock 30 lockings.

Hence one can see that; Under the situation that does not apply external force; The slip lid 22 that is arranged so that of spring 214 and ball 213 can stay in the optional position, during design, according to the size of factor appropriate design slideway 224 such as spring 214 elastic force, friction factor, slip lid 22 gravity and shrinkage pool 225; Guaranteeing that frictional force between ball 213 and the slip lid 22 can the balance loam cake in the deadweight, guaranteeing that slip lid 22 is opened and the operation of closing up is also comparatively smooth and easy.

Except positive stop lug boss 212 is set,, the lower position of slip lid 22 can also be set to confirm the upper limit position of slip lid 22.Such as, in the lower end of base 21 the lower limit parts being set, slip lid 22 slides latch hole 2221 to U-shaped boss 222 downwards with hanging nose 40 latch hole when concentric; The lower end of slip lid 22 and lower limit parts are conflicted, and have then limited slip lid 22 lower positions, prevent that slip lid 22 breaks away from base 21 from the below; Identical with effective effect that upper limit position is set, do not give unnecessary details at this, simultaneously; The lower position is U-shaped boss 222 and hanging nose 40 latch hole concentric position; Then slip lid 22 comes downwards to the lower position and can lock, and need not manual-alignment, is convenient to practical operation.

The concrete structure of lower limit parts has multiple mode, please refer to Figure 10 and Figure 11, and Figure 10 is the sketch map of another angle of base among Fig. 7, and this illustrates the back surface of base 21, the one side that promptly contacts with door body 10; Figure 11 is the sectional view of base chute among Figure 10.Figure 10 lower limit position parts are the stop screw of being located in base 21 chutes 211 217.Among this embodiment, base 21 is taked inboard fixing mode with door body 10, and the preceding cell wall of base 21 chutes 211 is provided with screwed hole 216, and back cell wall is provided with ladder unthreaded hole 215.Stop screw 217 hammers into from the inboard of door body 10; And the screwed hole 215 of spiral entering base 21 is interior with firm banking 21 and cabinet door; The Design of length of stop screw 217 requires its nail body can pass ladder unthreaded hole 215 and inserts in the screwed hole 216 of preceding cell wall; When then slip lid 22 was descending, on the slip lid 22 can conflict with stop screw 217 in the lower surface of slide rail 221, continues descending with restriction slip lid 22.The lower surface of slide rail 221 can be provided with inboard breach 2211, and stop screw 217 is stuck in inboard breach 2211 places, and stop screw 217 can be blocked in slide rail 221 outsides when then locking, and avoids stop screw 217 to wreck.In addition, base 21 is taked inboard fixing mode with door body 10, can prevent effectively that tool for destroying from directly destroying the junction of padlock protective device and door body 10, thereby avoid the padlock protective device to lose efficacy.This shows that stop screw 217 plays the effect of fixed gate body 10 and base 21, setting slip lid 22 lower positions simultaneously, makes structure comparatively simple.

Certainly, the lower limit parts also can be the card rod that directly in chute 211, is provided with, to conflict with the lower surface of slide rail 221; Or directly boss is set as the lower limit parts at the front surface of base 21, when slip lid 22 came downwards to a certain degree, the descending purpose of slip lid 22 all can be realized limiting in the lower surface of slip lid 22 and boss conflict.To the inconsistent embodiment of slip lid 22U shape boss 222 and base 21 positive stop lug boss 212, slip lid 22 only can insert on the lower direction of base 21, when the lower limit parts are stop screw 217; Can not limit slip lid 22 and insert in the base 21, after being mounted on the body 10, stop screw 217 forms the lower limit parts; At this moment; If the lower limit parts adopt other structures, be required to be movable structure, in order to avoid interfere slip lid 22 to insert in the base 21.

Need to prove; After stop screw 217 is set, has the embodiment of spring 214 and ball 213, except making slip lid 22 stay in the optional position; Can also control slip lid 22 speed when descending that promotes; Minimizing guarantees door body 10 and base 21 connection stability to the impact of stop screw 217, makes operation safe reliable.

Please continue with reference to Figure 12 and Figure 14, Figure 12 is the structural representation of the another kind of specific embodiment of padlock protective device provided by the present invention; Figure 13 is the structural representation of slip lid among Figure 12; Figure 14 is the structural representation of U-shaped boss among Figure 12.

Among this embodiment, U-shaped boss 222 is a split-type structural with slip lid 22 bodies.The lower end of slip lid 22 is provided with the mounting groove 228 that extends along line of travel, and the notch of mounting groove 228 is surperficial parallel with slip lid 22, and the both sides sidewall of U-shaped boss 222 has bending edge 2223, and bending edge 2223 is provided with screwed hole 215.During installation, both sides bending edge 2223 is inserted in the mounting groove 228 on the lower direction of slip lid 22, then U-shaped boss 222 can upwards slide to the pre-position.The preceding cell wall of mounting groove 228 is provided with installs waist hole 229, in the pre-position, through inserting the screw 230 installed in waist hole 229 and the screwed hole 215 fixedly U-shaped boss 222 and slip lid 22.When the lock bolt length of padlock 30 is longer, can U-shaped boss 222 be installed on the position of end on the upper side, promptly U-shaped boss 222 upwards slides long distance, can place in the slip lid 22 to guarantee lock bolt, even most of or all lock body also place in the slip lid 22; When the lock bolt length of padlock 30 more in short-term, can U-shaped boss 222 be installed on the position of end on the lower side.Then this kind set-up mode makes the position of U-shaped boss 222 to adjust according to padlock 30 lock bolts of different size, thereby promotes the compatibility of protective cover to padlock 30, and promptly same padlock protective device can satisfy the requirement of plurality of specifications padlock 30.

To above-mentioned each embodiment, between base 21 and the slip lid 22 pick-proof baffle plate 226 can be set, two pick-proof baffle plates 226 shown in Fig. 6 are between U-shaped

boss

222 and 22 liang of wood side-guides 221 of slip lid.Pick-proof baffle plate 226 can prevent that tool for destroying from stretching to slip lid 22 inside and destroying, and further strengthens the reliability of padlock protective device.

Please continue with reference to figure 3.After opening, lock bolt need rotate to an angle; Can take off padlock 30; After so the distance among aforementioned each embodiment between slip lid 22 and the base 21 should guarantee that padlock 30 is opened; The relative rotation of lock bolt and lock body is not interfered, so the distance between slip lid 22 and the base 21 should guarantee that dwindle with when reducing the tool for destroying operating space as far as possible this distance can satisfy inserting of padlock 30 and rotate removal.Among Fig. 3, the latch hole 2221 of hanging nose 40 and U-shaped boss 222 is perpendicular to the line of travel of slip lid 22, padlock 30 parallel placing between slip lid 22 and the base 21 then, and the distance between slip lid 22 and the base 21 can be less.When lock bolt was opened, the length of lock bolt can increase, when the length that increases when the length that is in the lock body part of padlock 30 between slip lid 22 and the base 21 and lock bolt is suitable; After opening, can directly take off lock bolt; Lock body and lock bolt relatively rotate mutually noninterfere, at this moment, the distance between slip lid 22 and the base 21 quite gets final product with the thickness of padlock 30; Then the space of padlock protective device lower ending opening is less, and protection is stronger; When length that the length that is in the lock body part of padlock 30 between slip lid 22 and the base 21 increases greater than lock bolt, at this moment, the distance between slip lid 22 and the base 21 should be suitably greater than the thickness of padlock 30, and the rotation of assurance lock body is not interfered.Certainly, the latch hole 2221 of hanging nose 40 and U-shaped boss 222 also can be parallel to line of travel or other directions of slip lid 22.

Can know that by foregoing padlock protective device described herein is applied to crank 50 and drives on the cabinet door of locking bar system lock or release, when padlock 30 locks among Fig. 2; Crank 50 is positioned at protective device inside basically, and promptly this protective device has also played the effect that protection crank 50 is not damaged, for the crank 50 of other structures; According to above-mentioned principle; Can do suitable distortion to base 21 and slip lid 22, so that after the release, do not interfere the rotation of crank 50 to get final product.In addition, the hanging nose 40 of embodiment is directly fixing with door body 10 in the literary composition, can expect, hanging nose 40 and the base 21 formula structure that is processed as one also can satisfy user demand.Need to prove that this kind padlock protective device also can be used for the locking system of other kinds, also is not limited to cabinet door, as long as use the locking system of padlock 30 and door body 10 all can use this kind padlock protective device.

More than a kind of padlock protective device of being provided of invention has been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.

Claims

1. padlock protective device is applied to have the door of hanging nose, and said hanging nose has latch hole, and this latch hole realizes the locking of opposite house through linking to each other with the locking bolt of padlock, it is characterized in that, said padlock protective device comprises:

Be fixed in base and slip lid on the body; Said base and said slip lid are slidingly connected, and make said slip lid to block and cover said base, after said slip lid card covers said base; Form a housing, and said hanging nose is placed in the said housing with openend;

2. padlock protective device according to claim 1 is characterized in that, an end of the said base relative with said openend is provided with the positive stop lug boss towards said slip lid, and said positive stop lug boss seals an end of said slip lid and said base; After padlock was opened, said slip lid release was slided when said Lock Part is positioned at said positive stop lug boss place, and said Lock Part and said positive stop lug boss are conflicted.

3. padlock protective device according to claim 2 is characterized in that said positive stop lug boss is provided with at least one group of pretensioned spring and ball, and said spring is towards said slip lid setting, and the end of said spring connects ball; Be provided with the slideway that cooperates with said ball between one end of the said slip lid relative with said openend and the said Lock Part, said slideway extends along said slip lid line of travel.

4. padlock protective device according to claim 3; It is characterized in that; Also be provided with shrinkage pool on the said slip lid, the degree of depth of said shrinkage pool is deeper than the degree of depth of said slideway, and said shrinkage pool is connected to the end of said slideway near said openend mutually; When said positive stop lug boss and said Lock Part were conflicted, said ball was positioned at said shrinkage pool.

5. padlock protective device according to claim 4 is characterized in that, the Lock Part of said slip lid has anti-scraping overcoat.

6. according to each described padlock protective device of claim 1 to 5, it is characterized in that, said slip lid and said base the two one of both sides be provided with chute, another person's both sides be provided with snap in the said chute and with the slide rail of said chute clamping all around.

7. according to each described padlock protective device of claim 1 to 5; It is characterized in that; Said Lock Part comprises that two are oppositely arranged and are equipped with the double wall of latch hole, and during the padlock locking, said hanging nose is positioned at two said double walls; The latch hole of said hanging nose and said double wall is coaxial, and the axis of each latch hole all the line of travel with said slip lid is vertical.

8. padlock protective device according to claim 7 is characterized in that, said Lock Part is the U-shaped boss, and the both sides of said U-shaped boss are two said double walls.

9. padlock protective device according to claim 8; It is characterized in that; Said slip lid is provided with the mounting groove that extends along said slip lid line of travel; The notch of said mounting groove is surperficial parallel with said slip lid, and said double wall has bending edge, and said bending edge inserts to slide in the said mounting groove to the pre-position and also fixes.

10. according to each described padlock protective device of claim 1 to 5, it is characterized in that said base and said door body are through bolt, said bolt inserts said base from door body inboard.

11. padlock protective device according to claim 10; It is characterized in that; One end of the said base corresponding with openend is provided with limiting component; When said slip lid slided to the position of lock bolt while said Lock Part of lock hanging and said hanging nose, an end of the said slip lid corresponding with openend and said limiting component were conflicted.

12. padlock protective device according to claim 11 is characterized in that said chute is located at the both sides of said base; Said bolt inserts said base from door body inboard and stretches out in the said chute, and said limiting component is the bolt part that stretches out in the said chute.

13., it is characterized in that be provided with the pick-proof baffle plate between said base and the said slip lid, said pick-proof baffle plate is between the side of said Lock Part and said slip lid according to each described padlock protective device of claim 1 to 5.

14. padlock protective device according to claim 13 is characterized in that, said slip lid is provided with and promotes the handle that said slip lid slides along said chute.