CN201176750Y - Prying-proof door bolt structure - Google Patents
Prying-proof door bolt structure Download PDFInfo
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- CN201176750Y CN201176750Y CNU2008200847037U CN200820084703U CN201176750Y CN 201176750 Y CN201176750 Y CN 201176750Y CN U2008200847037 U CNU2008200847037 U CN U2008200847037U CN 200820084703 U CN200820084703 U CN 200820084703U CN 201176750 Y CN201176750 Y CN 201176750Y
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Abstract
The utility model discloses an anti-prizing latch structure, which comprises a side latch and a driving mechanism which drives the side latch to transversely move. The anti-prizing latch structure is characterized in that the anti-prizing latch structure also comprises two compound side latches, a compound side sliding plate and a compound side latch shaft, wherein the two compound side latches are longitudinally and oppositely inserted in the front end of the side latch and can relatively slide; an inclined guide groove is arranged in each compound side latch; the compound side latch shaft is axially and flexibly inserted into the side latch and is connected with the inclined guide grooves on the two compound side latches through side guide pins; and the compound side latch shaft is connected with a compound driving structure. When a door is closed, the driving structure drives the side latch to transversely move forward; when the side latch extends to the specified position, the compound driving structure acts to drive the two compound side latches to synchronously extend out of the side latch to firmly fasten both sides of a latch hole under the coordination action of the compound side latch shaft and the inclined guide grooves on the two compound side latches, further to form an obstacle between a latch and the latch hole, thereby greatly strengthening the safety of a safe and having good anti-theft effect.
Description
Technical field
The utility model relates to a kind of bolt structure, relates in particular to good, the safe pick-proof door bolt structure of a kind of tamper-resistant function, and this bolt structure can be applicable on various strongboxs, various strong-room and the home-use security door.
Background technology
Its structure of existing security door mainly comprise doorframe, be articulated in the door-plate on the doorframe and be arranged on door-plate and doorframe between bolt structure, general bolt structure comprises jam plate that is arranged on the door-plate back side and the bolt that links with jam plate, and then the respective side bolt offers the door bolt hole on doorframe.And bolt its be cylindric, the cylindrical hole that door bolt Kong Zewei and bolt match.There are some defectives in this security door, if lawless person's sled is not lock, but the frame of forcing open the door, owing to be without any hindering structure between bolt and the door bolt hole, as long as the lawless person only need pry open a side of doorframe a little, the bolt on the door-plate just can be easy to deviate from the door bolt hole of doorframe, thereby opens security door like this, the lawless person is taken advantage of a weak point, so the safety of this security door is not enough.
At above-mentioned present situation, the someone has invented inverted hook type johnny bar structure, and it is buckled under the state of closing the door left-hand thread by the door bolt in the door bolt head and firmly fastens the hole with a bolt or latch, plays further antitheft purpose.As a patent No. is that a kind of strongbox safety bolt was made up of door bolt head and door bolt seat the Chinese invention patent " strongbox safety bolt " of ZL200710069808.5 (publication number is CN101100911A) had disclosed, described door bolt head is linked by the door bolt that has alignment pin and is connected in the retaining ring, described door bolt seat is a junction plate, corresponding fixed bar chute is arranged on the two sides of described junction plate, wherein also has the alignment pin chute on the side, the alignment pin that described door bolt is buckled cooperates with alignment pin chute on the junction plate, retaining ring and junction plate is flexibly connected whole.Safety latch is only fastened the retaining ring of button with a bolt or latch with moving in the alignment pin chute of the alignment pin on it on junction plate by band, door bolt button is stretched out cooperate or fasten with a bolt or latch to buckle to be reduced in the retaining ring and work with safety latch cover on the doorframe, simple in structure, part is few, easy processing and fabricating, easily assembling, cost are low, two strut angles of safety latch door bolt button front end tightly fasten the door bolt hole at closing time, form between bolt and door bolt hole that obstacle can not deviate under external force yet, safety cabinet just can't be opened, strengthened the safety of safety cabinet greatly, good anti-theft effect.
Summary of the invention
Technical problem to be solved in the utility model is the pick-proof door bolt structure that a kind of novel structure is provided at above-mentioned prior art present situation, and it has pick-proof, advantage that anti-theft feature is good equally.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of pick-proof door bolt structure comprises the side latch head that can laterally move relative to door-plate, and drives the drives structure that side latch head laterally moves; It is characterized in that: this locking mechanism also comprises two compound side door door bolts, a compound sideskid and a compound side door door bolt axle; Wherein, sideskid and compound sideskid make it can only be along the spacing back side at door-plate of the position limiting structure that door-plate moves laterally by one, described two compound side door door bolts are vertically to being inserted in the side latch head front end and can sliding relatively, and, each compound side door door bolt inner end all has oblique guide groove, and axially movable the insertion in the side latch head and by the side guide finger of described compound side door door bolt axle links to each other with the oblique guide groove that described two compound side doors latch; Compound side door door bolt axle then links to each other with compound drives structure, and this compound drives structure can further drive compound side door door bolt axle and laterally move relative to compound side door door bolt under the overhanging state of side latch head.
Above-mentioned drives structure and compound drives structure unite two into one and constitute a compound drives structure that is driven by a knob, and this compound drives structure comprises the sideskid that drives the side latch head slippage of linking to each other with side latch head, reach and make door bolt rotating disk and the compound door bolt rotating disk of beating by the knob driven rotary; Described drives structure by the knob driven rotary make the door bolt rotating disk and the compound door bolt rotating disk of beating is formed; Wherein, making the door bolt rotating disk is stacked in and compoundly beats on the door bolt rotating disk and can coaxially rotate relative to door-plate; Describedly beat that to have with its center of rotation on the door bolt rotating disk be first dozen of door bolt of the arc that increases gradually of initial point and radius chute, and communicate with this first dozen door bolt chute radius maximum and be the circular arc of the radius groove that dallies with this maximum radius; Described compound beating has on the door bolt rotating disk and first dozen of second dozen of door bolt chute that door bolt chute profile is identical, and fastens the compound door bolt chute of beating of arc that chute radius maximum communicates and radius further increases gradually with a bolt or latch with this second dozen; Corresponding, described sideskid rear end is provided with can be at first dozen of first guide finger of fastening slide-and-guide in chute and the circular arc idle running groove with a bolt or latch, and described compound sideskid rear end is provided with can be at second dozen of door bolt chute and compound second guide finger of beating slide-and-guide in the door bolt chute of arc.This compound drives structure unites two into one two drives structure, simplifies the structure, and during action, only needs to rotate a knob and can finish whole composite locking process.
Certain described drives structure and compound drives structure also can be two independent structures.
Position limiting structure between above-mentioned sideskid and compound sideskid and the door-plate is, on the rear end of sideskid and compound sideskid, have the first horizontal side channel hole and the second side channel hole, first projection that one projection is set on door-plate and matches with described first, second side channel hole, first, second side channel hole is passed in this first projection activity successively.Certainly also can adopt and have identity function and similar other existing structure, as in the both sides that are positioned at sideskid and the door-plate back side at back-end location place the retaining wall raise up is set, sideskid just can be along retaining wall slippage up and down like this, and can only slippage arrive till the retaining wall place of rear end, thereby realize that sideskid can only vertically move along the door-plate back side.
Because general door-plate height is higher, therefore above-mentioned side latch head is to have two for good, correspondence is provided with two compound side door door bolts and a compound side door door bolt axle on each side latch head, these two side latch heads link to each other with sideskid by one first junction plate, correspondence, the compound side door door bolt axle on each side latch head links to each other with sideskid by one second junction plate.
In order to be combined in door-plate three faces on the doorframe securely, and the difficulty that increase is prized, and then reach the safety of reinforced safety door, above-mentioned latch locking structure comprises also that door-plate relatively vertically moves up and down fasten with a bolt head and down the door bolt head, link to each other with the head of fastening with a bolt upper slide, a lower skateboard that links to each other with door bolt head down, two compound go up bolts, two compound under bolts, compound upper slide, compound lower skateboard, compound upward bolt axle, compound under the bolt axles; It is spacing at the back side of door-plate that upper slide and compound upper slide make it can make the position limiting structure vertically move along the door-plate back side by one, and lower skateboard and compound lower skateboard make it can do the spacing back side at door-plate of position limiting structure that vertically moves along the door-plate back side by one; respectively have on upper slide and the lower skateboard one be obliquely installed on guiding slotted eye and following guiding slotted eye, the lower end of last guiding slotted eye tilts towards the side latch head direction, lead the down upper end of slotted eye tilts towards the side latch head direction, has guiding slotted eye on movable being plugged in and the promotion post in the guiding slotted eye down on the end face of sideskid; respectively have on compound upper slide and the compound lower skateboard one be obliquely installed compound on guiding slotted eye and compound down guiding slotted eye, compound lower end of going up the guiding slotted eye tilts towards the side latch head direction, the upper end of compound down guiding slotted eye tilts towards the side latch head direction, on the end face of compound sideskid, have movable be plugged in compound on compound promotion post in guiding slotted eye and the compound slotted eye of guiding down; Described two compound bolts of going up are vertically to being inserted in the front end of fastening with a bolt and can sliding relatively, and, each compound bolt inner end of going up all has oblique guide groove, describedly compoundly goes up axially movable the insertion in the head of fastening with a bolt and by last guide finger of bolt axle and links to each other with the described two compound oblique guide grooves that latch to the doorstep; Described two compound bolts down are vertically to being inserted in down in the door bolt front end and can sliding relatively, and, bolt inner end all had oblique guide groove under each was compound, linked to each other with the oblique guide groove that described two compound Xiamen latch in the door bolt head and by following guide finger under the axially movable insertion of described compound bolt axle down.
Position limiting structure between above-mentioned upper slide and compound upper slide and the door-plate is, on the rear end of upper slide and compound upper slide, have the 3rd horizontal side channel hole and the 4th side channel hole, second projection that one projection is set on door-plate and matches with described the 3rd, the 4th side channel hole, the 3rd, the 4th side channel hole is passed in this second projection activity successively; Position limiting structure between lower skateboard and compound lower skateboard and the door-plate is, on the rear end of lower skateboard and compound lower skateboard, have the 3rd horizontal side channel hole and the 4th side channel hole, the 3rd projection that one projection is set on door-plate and matches with described the 3rd, the 4th side channel hole, the 3rd, the 4th side channel hole is passed in the 3rd projection activity successively.
Compared with prior art, advantage of the present utility model is: the supporting use of this locking mechanism and strongbox, at closing time, driving side latch head by drives structure laterally moves forward, when side latch head stretch out put in place after, enter in the door bolt hole, subsequently, compound drives structure action drives the laterally reach of compound side door door bolt axle, under the oblique guide groove mating reaction that compound side door door bolt axle and compound side door latch, drive outside two compound side door door bolt protruding side latch heads of while, tightly fasten door bolt both sides, hole, between bolt and door bolt hole, form obstacle and also can not deviate under external force, safety cabinet just can't be opened, strengthened the safety of safety cabinet greatly, good anti-theft effect.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment (close the door and each compound bolt does not stretch out state);
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the lateral view of Fig. 1;
Fig. 4 is the structural representation of the utility model embodiment (close the door and each compound bolt stretches out state);
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is the lateral view of Fig. 4;
Fig. 7 is the structural representation (door opening state) of the utility model embodiment;
Fig. 8 is that the solid between each compound bolt among the utility model embodiment, compound slide plate, the compound bolt axle is installed exploded view;
Fig. 9 is the perspective view of making the door bolt rotating disk among the utility model embodiment;
Figure 10 is a compound perspective view of making the door bolt rotating disk among the utility model embodiment;
Figure 11 is the perspective view of sideskid among the utility model embodiment;
Figure 12 is the perspective view of compound upper slide among the utility model embodiment;
Figure 13 is the perspective view of compound lower skateboard among the utility model embodiment.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Shown in Fig. 1～13, be a preferred embodiment of the present utility model.
A kind of pick-proof door bolt structure comprises two side latch heads 2 that can laterally move relative to door-plate 1, and correspondence is provided with two compound side doors door bolt 4 and one compound side doors door bolts spools 6 on each side latch head 2.
Described sideskid 3 and compound sideskid 5 make it can only be along the spacing back side at door-plate 1 of the position limiting structure that door-plate 1 moves laterally by one, position limiting structure between sideskid 3 and compound sideskid 5 and the door-plate 1 is, on the rear end of sideskid 3 and compound sideskid 5, have the first horizontal side channel hole 31 and the second side channel hole 51, first projection 13 that one projection is set on door-plate 1 and matches with described first, second side channel hole 31,51, first, second side channel hole 31,51 is passed in these first projection, 13 activities successively.
As shown in Figure 8, described two compound side doors door bolt 4 is vertically fastened with a bolt or latch in 3 front ends and can be slided relatively being inserted in side door, and, each compound side door is fastened 4 inner ends with a bolt or latch and is all had oblique guide groove 41, and described compound side door door bolt 6 axially movable an insertion in the side latch heads 2 also link to each other by the oblique guide groove 41 on side guide finger 7 and the described two compound side doors door bolts 4.This compound side door door bolt axle 6 should meet the following conditions with cooperating of oblique guide groove 41, the setting that also is oblique guide groove 41 angles of inclination should meet the following conditions, compound side door door bolt axle 6 is fastened with a bolt or latch in the 2 axial slip process relatively, can drive that compound bolt 4 vertically stretches out or indentation door bolt 2, present embodiment is that described two compound side doors are fastened 4 opposite side bolts 3 with a bolt or latch and outwards moved when compound side door door bolt axle 6 moves forward.
Described side latch head 2 and compound side door door bolt axle 6 drives and laterally moves by a compound drives structure, and described compound drives structure comprises sideskid 3, and makes door bolt rotating disk 8 and the compound door bolt rotating disk 9 of beating by knob 10 driven rotary.
Described two side latch heads 2 link to each other with sideskid 3 by one first junction plate 14, and the compound side door door bolt axle 6 on each side latch head 2 links to each other with sideskid 3 by one second junction plate 15.
The described door bolt rotating disk 8 of beating is stacked in and compoundly beats on the door bolt rotating disk 9 and can coaxially rotate relative to door-plate 1.
As shown in Figure 9, describedly beat that to have with its center of rotation on the door bolt rotating disk 8 be first dozen of door bolt of the arc that increases gradually of initial point and radius chute 81, and communicate with first dozen of door bolt chute 81 radius maximum A and be the circular arc of the radius groove 82 that dallies with this maximum radius.
As shown in figure 10, described compound beating has on the door bolt rotating disk 9 and first dozen of identical second dozen of door bolt chute 91 of door bolt chute 81 profiles, and fastens the compound door bolt chute 92 of beating of arc that chute 91 radius maximum B communicate and radius further increases gradually with a bolt or latch with this second dozen.
Corresponding, described sideskid 3 rear ends are provided with can be at first dozen of first guide finger 11 of fastening slide-and-guide in chute 81 and the circular arc idle running groove 82 with a bolt or latch, and described compound sideskid 5 rear ends are provided with can be at second dozen of door bolt chute 91 and compound second guide finger 12 of beating slide-and-guide in the door bolt chute 92 of arc.
Described latch locking structure comprises also that door-plate 1 relatively vertically moves up and down fasten with a bolt 16 with door bolt down 17, with fasten with a bolt 16 link to each other upper slide 18, with 17 lower skateboards that link to each other 19, two of door bolt down compound go up bolt 20, two compound bolts 21 down, compound upper slide 22, compound lower skateboard 23, compound upward bolt axle 24, compound under bolt axles 25.
respectively have on upper slide 18 and the lower skateboard 19 one be obliquely installed on guiding slotted eye 181 and guiding slotted eye 191 down, the lower end of last guiding slotted eye 181 tilts towards side latch head 2 directions, lead the down upper end of slotted eye 191 tilts towards side latch head 2 directions, have on movable being plugged in guiding slotted eye 181 and the promotion post 32 in the guiding slotted eye 191 down on the end face of sideskid 3, what promote post 32 laterally mobilely can drive upper slide 18 and lower skateboard 19 moves up and down.
respectively have on compound upper slide 22 and the compound lower skateboard 23 one be obliquely installed compound on guiding slotted eye 221 and compound down guiding slotted eye 231, compound lower end of going up guiding slotted eye 221 tilts towards side latch head 2 directions, the upper end of the compound slotted eye 231 of guiding down tilts towards side latch head 2 directions, on the end face of compound sideskid 5, have movable be plugged in compound on compound promotion post 52 in guiding slotted eye 221 and the compound down guiding slotted eye 231, compound promotion post 52 laterally mobile can drive compound upper slide 22 and compound lower skateboard 23 moves up and down.
As shown in Figure 8, described two compound bolts 20 of going up are vertically to being inserted in bolt 16 front ends and can sliding relatively, and, each compound bolt 20 inner end of going up all has oblique guide groove 201, describedly compoundly go up axially movable insertion of bolt axle 24 and fasten with a bolt in 16 and link to each other with the described two compound oblique guide grooves of going up on the bolts 20 201 by last guide finger 26, be that the compound bolt axle 24 of going up is plugged in two compound going up between the bolt 20, the described guide finger 26 of going up passes oblique guide groove 201 and the compound bolt axle 24 of going up successively, and the laterally mobile two compound bolts of going up that can drive of going up guide finger 26 like this move up and down relatively.
As shown in Figure 8, described two compound bolts 21 down are vertically to being inserted in down in bolt 17 front ends and can sliding relatively, and, each compound bolt 21 inner end down all has oblique guide groove 211, described compound down bolt axle 25 is axially movable to be inserted in the door bolt down 17 and links to each other with oblique guide groove 211 on the described two compound bolts 21 down by guide finger 27 down, be that compound following bolt axle 25 is plugged between the two compound following bolts 21, described guide finger 27 down passes oblique guide groove 211 and compound bolt axle 25 down successively, descends laterally moving of guide finger 27 can drive two compound bolts 21 down like this and moves up and down relatively.
Operating principle and the process of the utility model embodiment are as follows.
Shown in Fig. 1～6, at closing time, door bolt rotating disk 8 is made in knob 10 rotations drive simultaneously and the compound door bolt rotating disk 9 of beating rotates, by playing first dozen of mating reaction of fastening the chute 81 and first guide finger 11 with a bolt or latch on the door bolt rotating disk 8, and compound second dozen of mating reaction of fastening the chute 914 and second guide finger 12 with a bolt or latch of beating on the door bolt rotating disk 9, move forward and drive sideskid 3, the side latch head 2 that is attached thereto and compound side door door bolt 4;
When first guide finger 11 moves to the radius maximum A of first dozen of door bolt chute 81, this moment, second guide finger 11 moved to the radius maximum B of second dozen of door bolt chute 82, being rotated further knob 10 drives and makes door bolt rotating disk 8 and the compound door bolt rotating disk 9 of beating is rotated further, the slippage in circular arc idle running groove 82 of first guide finger 11, therefore, side latch head 2 and sideskid 3 no longer move forward; Second guide finger 12 is fastened slippage in the chute 92 with a bolt or latch compound beating simultaneously, and the compound door bolt chute 92 of beating also is open form groove gradually, therefore, sideskid 3 drives 6 reaches of compound side door door bolt axle, under oblique guide groove 41 mating reactions on compound side door door bolt axle 6 and the compound side door door bolt 4, drive outside two compound protruding side latch heads 2 of 4 while of side door door bolt, fasten door bolt both sides, hole, form between bolt and door bolt hole that obstacle can not deviate under external force yet, safety cabinet just can't be opened, strengthened the safety of safety cabinet greatly, good anti-theft effect.
Fasten with a bolt 16 and down the operating principle of door bolt 17 communicate with the side latch head substrate, just do not tire out at this and state.
As shown in Figure 7, the process of opening the door is opposite with the process of closing the door.
Claims (6)
1, a kind of pick-proof door bolt structure comprises the side latch head (2) that can laterally move relative to door-plate (1), and drives the drives structure that side latch head (3) laterally moves; It is characterized in that:
This locking mechanism also comprises two compound side door door bolts (4), a compound sideskid (5) and a compound side door door bolt axle (6);
Wherein, sideskid (3) and compound sideskid (5) make it can only be along the spacing back side in door-plate (1) of the position limiting structure that door-plate moves laterally by one, described two compound side door door bolts (4) are vertically to being inserted in side latch head (2) front end and can sliding relatively, and, each compound side door door bolt (4) inner end all has oblique guide groove (41), and the axial activity of described compound side door door bolt axle (6) is inserted in the side latch head (2) and the oblique guide groove (41) that latches by side guide finger (7) and described two compound side doors links to each other;
Compound side door door bolt axle (6) then links to each other with compound drives structure, and this compound drives structure can further drive compound side door and fasten spool (6) with a bolt or latch and fasten (4) with a bolt or latch relative to compound side door and laterally move under the overhanging state of side latch head (2).
2, pick-proof door bolt structure according to claim 1 is characterized in that: described drives structure and compound drives structure unite two into one and constitute a compound drives structure by a knob drive;
This compound drives structure comprises the sideskid (3) that drives side latch head (2) slippage of linking to each other with side latch head (2), and makes door bolt rotating disk (8) and the compound door bolt rotating disk (9) of beating by knob (10) driven rotary;
Wherein, making door bolt rotating disk (8) is stacked in the compound door bolt rotating disk (9) of beating and goes up and can coaxially rotate relative to door-plate (1);
Describedly beat that to have with its center of rotation on the door bolt rotating disk (8) be first dozen of door bolt of the arc that increases gradually of initial point and radius chute (81), and communicate with this first dozen door bolt chute (81) radius maximum (A) and be the circular arc of the radius groove (82) that dallies with this maximum radius;
Described compound beating has on the door bolt rotating disk (9) and first dozen of second dozen of door bolt chute (91) that door bolt chute (81) profile is identical, and fastens the compound door bolt chute (92) of beating of arc that chute (82) radius maximum (B) communicates and radius further increases gradually with a bolt or latch with this second dozen;
Corresponding, described sideskid (3) rear end is provided with can be at first dozen of first guide finger (11) of fastening slide-and-guide in chute (81) and the circular arc idle running groove (82) with a bolt or latch, and described compound sideskid (5) rear end is provided with can be at second dozen of door bolt chute (91) and compound second guide finger (12) of beating slide-and-guide in the door bolt chute (92) of arc.
3, pick-proof door bolt structure according to claim 1, it is characterized in that: the position limiting structure between described sideskid (3) and compound sideskid (5) and the door-plate (1) is, on the rear end of sideskid (3) and compound sideskid (5), have the first horizontal side channel hole (31) and the second side channel hole (51), first projection (13) that one projection is set on door-plate (1) and matches with described first, second side channel hole (31,51), first, second side channel hole (31,51) is passed in this first projection (13) activity successively.
4, pick-proof door bolt structure according to claim 2, it is characterized in that: described side latch head (2) has two, each side latch head (2) is gone up correspondence and is provided with two compound side door door bolts (4) and a compound side door door bolt axle (6), these two side latch heads (2) link to each other with sideskid (3) by one first junction plate (14), correspondence, the compound side door door bolt axle (6) on each side latch head (2) links to each other with sideskid (3) by one second junction plate (15).
5, according to claim 2,3 or 4 described pick-proof door bolt structures, it is characterized in that:
This latch locking structure comprises also that door-plate (1) relatively vertically moves up and down fasten with a bolt head (16) and down door bolt head (17), link to each other with the head of fastening with a bolt upper slide (18), a lower skateboard (19) that links to each other with door bolt head down, two compound go up bolts (20), two compound under bolts (21), compound upper slide (22), compound lower skateboard (23), compound upward bolt axle (24), compound under bolt axles (25);
It is spacing at the back side of door-plate (1) that upper slide (18) and compound upper slide (22) make it can make the position limiting structure vertically move along door-plate (1) back side by one, and lower skateboard (19) and compound lower skateboard (23) make it can do the spacing back side in door-plate (1) of position limiting structure that vertically moves along door-plate (1) back side by one;
On upper slide (18) and lower skateboard (19), respectively have a upward guiding slotted eye (181) that is obliquely installed and the slotted eye (191) that leads down, the lower end of last guiding slotted eye (181) tilts towards side latch head (2) direction, lead the down upper end of slotted eye (191) tilts towards side latch head (2) direction, on the end face of sideskid (3), have movable be plugged in guiding slotted eye (181) and the slotted eye (191) that time leads in promotion post (32);
On compound upper slide (22) and compound lower skateboard (23), respectively have a compound guiding slotted eye (221) and the compound guiding slotted eye (231) down gone up that is obliquely installed, compound lower end of going up guiding slotted eye (221) tilts towards side latch head (2) direction, the upper end of compound guiding slotted eye (231) down tilts towards side latch head (2) direction, has the movable compound compound promotion post of going up in guiding slotted eye (221) and the compound guiding slotted eye (131) down (52) that is plugged on the end face of compound sideskid (5);
Described two compound bolts (20) of going up are vertically to being inserted in head (16) front end of fastening with a bolt and can sliding relatively, and, each compound bolt (20) inner end of going up all has oblique guide groove (201), and the axial movable insertion of described compound upward bolt axle (24) is fastened with a bolt, and head (17) is interior also to link to each other with the described two compound oblique guide grooves (201) that latch to the doorstep by last guide finger (26);
Described two compound bolts (21) down are vertically to being inserted in down in door bolt head (17) front end and can sliding relatively, and, each compound down bolt (21) inner end all has oblique guide groove (211), described compound bolt axle (25) down is axially movable insert down in the door bolt head (21) and by under guide finger (27) link to each other with the oblique guide groove (211) that described two compound Xiamen latch.
6, pick-proof door bolt structure according to claim 5, it is characterized in that: the position limiting structure between described upper slide (18) and compound upper slide (22) and the door-plate (1) is, on the rear end of upper slide (18) and compound upper slide (22), have the 3rd horizontal side channel hole (182) and the 4th side channel hole (222), second projection (28) that one projection is set on door-plate (1) and matches with described the 3rd, the 4th side channel hole (182,222), the 3rd, the 4th side channel hole (182,222) is passed in this second projection (28) activity successively;
Position limiting structure between lower skateboard (19) and compound lower skateboard (23) and the door-plate (1) is, on the rear end of lower skateboard (19) and compound lower skateboard (23), have the 3rd horizontal side channel hole (192) and the 4th side channel hole (232), the 3rd projection (29) that one projection is set on door-plate (1) and matches with described the 3rd, the 4th side channel hole (192,232), the 3rd, the 4th side channel hole (192,232) is passed in the 3rd projection (29) activity successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200847037U CN201176750Y (en) | 2008-03-28 | 2008-03-28 | Prying-proof door bolt structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200847037U CN201176750Y (en) | 2008-03-28 | 2008-03-28 | Prying-proof door bolt structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201176750Y true CN201176750Y (en) | 2009-01-07 |
Family
ID=40216768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200847037U Expired - Lifetime CN201176750Y (en) | 2008-03-28 | 2008-03-28 | Prying-proof door bolt structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201176750Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101250961B (en) * | 2008-03-28 | 2011-08-17 | 宁波永发电子设备有限公司 | Composite locking mechanism |
-
2008
- 2008-03-28 CN CNU2008200847037U patent/CN201176750Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101250961B (en) * | 2008-03-28 | 2011-08-17 | 宁波永发电子设备有限公司 | Composite locking mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090107 Effective date of abandoning: 20080328 |