CN102877699A - Anti-theft lock body with enhanced lock tongue structure - Google Patents
Anti-theft lock body with enhanced lock tongue structure Download PDFInfo
- Publication number
- CN102877699A CN102877699A CN2012103960846A CN201210396084A CN102877699A CN 102877699 A CN102877699 A CN 102877699A CN 2012103960846 A CN2012103960846 A CN 2012103960846A CN 201210396084 A CN201210396084 A CN 201210396084A CN 102877699 A CN102877699 A CN 102877699A
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- lock
- joint pin
- roof
- head
- rod body
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- 238000000465 moulding Methods 0.000 claims description 10
- 239000011148 porous material Substances 0.000 claims description 10
- 230000002708 enhancing effect Effects 0.000 claims 4
- 241000276425 Xiphophorus maculatus Species 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001192 hot extrusion Methods 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
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Abstract
The invention relates to a lock body of a door lock, in particular to an anti-theft lock body with an enhanced lock tongue structure. The anti-theft lock body comprises a lock shell, a driving mechanism contained in the lock shell, and an oblique lock tongue capable of locking a door leaf; the oblique lock tongue comprises a rod body part and a head part arranged at the front end of the rod body part and provided with an oblique plane; and the driving mechanism is capable of dragging the head part of the oblique lock tongue to protrude or retract in an opening part formed on one side wall of the lock shell. The anti-theft lock body is characterized in that a connecting column is arranged at the tail end of the head part of the oblique lock tongue; the connecting column and the head part of the oblique lock tongue are integrally molded; the rod body part comprises a platy top wall; a central hole is arranged at the central position of the top wall; and the connecting column penetrates through the central hole and is connected to the top wall. As the anti-theft lock body has the characteristics and advantages, the anti-theft lock body can be applied to a lock body structure.
Description
Technical field
The present invention relates to the lock body of door lock, particularly have the antitheft lock that strengthens lock bolt structure.
Background technology
In the prior art, as shown in Figure 1, Figure 2, Figure 3 and Figure 4, the lock body 1 of door lock comprises lock housing body 11, the oblique dead bolt that is arranged on the driving mechanism 2 in the lock housing body 11 and links with described driving mechanism.Side at described lock housing body 11 is provided with peristome 10, and described oblique dead bolt can be closed door leaf thereby can stretch out in described peristome 10 under the driving of described driving mechanism 2.Described oblique dead bolt comprises the bevelled head 3 of tool and rod body part 4.
The structure of described oblique dead bolt, modal a kind of structure is, wherein as shown in Figure 1, the rod body part 4 of described oblique dead bolt be body of rod shape and and described head 3 between hot extrusion link together, namely in the hole that the central part setting of described head 3 can allow the top ends of rod body part 4 insert, thereby the top ends hot extrude of described rod body part 4 is pressed into reliable connection the in the described hole.The problem of this structure maximum is that described rod body part 4 is positioned on the axis of described head 3, and because the diameter of described rod body part 3 is also larger, takies more space at described lock housing body 11 interior needs for this reason.But utilize the lock body of described head 3 rear space of planes for needs, this structure is obviously improper.
In order to improve the fault of construction of above-mentioned lock body, the structure of described oblique dead bolt, another kind of structure be, wherein as shown in Figures 2 and 3, described rod body part 4 is set to the plate body of L-type, and the roof 41 of described rod body part 4 is connected to described head 3 by joint pin 5.To connect reliably in order making between them, as shown in Figure 3 and Figure 4, generally on described joint pin 5 and described head 3, to offer simultaneously locating hole 51, again by the described joint pin 5 of pin 6 bolts and described head 3.As can be seen from Figure 4, owing to being provided with locating hole 51 on the cross section of described joint pin 5, thereby described joint pin 5 is reduced greatly in considerably less its structural strength that makes of the remaining wall body of cross-section of the maximum gauge of described locating hole 51, and described joint pin 5 is very easy to be provided with at this position fracture of locating hole 51.Also having technical scheme is that the locating hole 51 on the described joint pin 5 is set to blind hole, although part has improved the structural strength at described locating hole 51 places, described joint pin 5 is easily fracture still.
Summary of the invention
For the deficiencies in the prior art, thereby being the structure of improving described oblique dead bolt, one of purpose of the present invention prevents the easily problem of fracture of described oblique dead bolt, secondly, described oblique dead bolt is operated steadily in the process that described lock housing body stretches.For this reason, the present invention proposes a kind of antitheft lock that strengthens lock bolt structure that has, and comprises the lock housing body, is contained in the driving mechanism in the described lock housing body and can makes the oblique dead bolt of door leaf locking; Described oblique dead bolt comprise rod body part and be arranged on described rod body part front end and the bevelled head of tool, the head that described driving mechanism can drag described oblique dead bolt stretches out in the peristome that a sidewall of described lock housing body forms or retracts; It is characterized in that, the head tail end of described oblique dead bolt is provided with joint pin, the head integrated molding of described joint pin and described oblique dead bolt, described rod body part includes the roof that is tabular, the middle position of described roof is provided with medium pore, and described joint pin passes described medium pore and is connected to described roof.
According to technique scheme, because the head integrated molding of described joint pin and described oblique dead bolt, and the medium pore that passes the middle position setting of described roof is connected to described roof, thereby the structural strength that can strengthen described joint pin prevents its fracture, thereby not only durable but also meet the heavy-load type door leaf to the security needs of lock body.Because the head of described oblique dead bolt is generally made with the stainless steel precision casting, described joint pin is used the moulding of stainless steel material integral-casting too for this reason.Secondly be tabular owing to described rod body part, thereby can take the space in the fewer described lock housing body.
For the head that makes described oblique dead bolt can described rod body part adjust its inclined-plane towards, thereby be convenient to door lock and adapt to the different directions of opening the door, further technical scheme can also be can link together between described joint pin and the described roof with relatively rotating.
Further technical scheme can also be, the tail end of described joint pin is provided with axial blind hole, and the blind hole mouth of described blind hole is the flanging shape.Can utilize like this flanging at described blind hole mouth place, the described roof of described rod body part is limited on the described joint pin.Wherein said flanging can on the basis of the described blind hole that sets in advance, be enclosed within described roof first the rear moulding by the described blind hole of punching press on the described joint pin.
Further technical scheme can also be, described joint pin is step-like, wherein the external diameter of interior step is greater than the external diameter of outer step, described roof is limited on the described interior step, be provided with pad at described outer step, the external diameter of described pad is greater than the internal diameter of described medium pore, and described pad is limited between described interior step and the described flanging.Like this, described pad is limited on the described outer step, allows have fixing clearance space between the main body of described pad and described head, and described roof is limited on the described interior step and in the clearance space between the main body of described pad and described head.So, not only the structural strength of described joint pin can be guaranteed, and make between described head and the described rod body part by described pad and can form being connected of stationarity, can reduce rocking of described head at least, also can allow described head on described roof, freely rotate.
Further technical scheme can also be, described rod body part comprises two sidewalls that also are tabular, and two described sidewalls and described roof integrated molding are the doorframe shape.Since described rod body part be arranged in the described lock housing body parts and in the space that described lock housing body limits telescopic movable, utilize like this two described sidewalls, described rod body part can be moved more steady in flexible process.
Further technical scheme can also be, the length that two described sidewalls extend in the described lock housing body is different, and wherein long described sidewall connects described driving mechanism.Like this, when improving described rod body part running stability, can not waste too much material yet, need not take the more space in the described lock housing body yet.
Further technical scheme can also be that two described sidewalls are arranged in parallel.
Because the present invention has These characteristics and advantage, can be applied in the lock body structure for this reason.
Description of drawings
Fig. 1 is the structural representation of the lock body of prior art scheme;
Fig. 2 is the structural representation of the oblique dead bolt of the second existing structure;
Fig. 3 is the right view of Fig. 2;
Fig. 4 is assembly structure schematic diagram between Fig. 2 and described joint pin 5 shown in Figure 3 and the described pin 6;
Fig. 5 is the structural representation of described oblique dead bolt of using the lock body of technical solution of the present invention;
Fig. 6 is the right view of Fig. 5;
Fig. 7 is the decomposition texture schematic diagram of Fig. 5.
The specific embodiment
Be further described to 7 pairs of structures of using the described lock body of technical solution of the present invention of accompanying drawing below in conjunction with accompanying drawing 5.
A kind of have an antitheft lock that strengthens lock bolt structure, comprises the lock housing body, is contained in the driving mechanism in the described lock housing body and can makes the oblique dead bolt of door leaf locking; The head 3 that described oblique dead bolt comprises rod body part 4 and is arranged on described rod body part 4 front ends and the bevelled head 3 of tool, described driving mechanism can drag described oblique dead bolt stretches out in the peristome that a sidewall of described lock housing body forms or retracts.
To shown in Figure 7, the tail end of described oblique dead bolt head 3 is provided with joint pin 31 such as Fig. 5, the head 3 integrated smart type casting mouldings of described joint pin 31 and described oblique dead bolt.
Described rod body part 4 comprises and also is two sidewalls tabular and that be arranged in parallel (421,422), and two described sidewalls (421,422) are the doorframe shape with described roof 41 integrated moldings.Because described rod body part 4 is arranged on the interior parts of described lock housing body and telescopic movable in the space that described lock housing body limits, utilize like this two described sidewalls (421,422), described rod body part 4 can be moved more steady in flexible process.Further technical scheme can also be, the length that two described sidewalls (421,422) extend in the described lock housing body is different, and wherein said sidewall 421 is longer, and connects described driving mechanism in other words and form between the described driving mechanism and be in transmission connection.Like this, when improving described rod body part 4 running stability, can not waste too much material yet, need not take the more space in the described lock housing body yet.
The roof 41 of described rod body part 4 also is tabular, and the middle position of described roof 41 is provided with medium pore 411, and described joint pin 31 passes described medium pore 411 and is connected to described roof 41.
Described joint pin 31 is step-like, wherein the external diameter of interior step 311 is greater than the external diameter of outer step 312, described roof 41 is limited on the described interior step 311, be provided with pad 7 at described outer step 312, the external diameter of described pad 7 is greater than the internal diameter of described medium pore 411, the internal diameter of the centre bore 71 of described pad 7 is less than the external diameter of described interior step 311, thereby described pad 7 can be limited to the axle head outside of described interior step 311, have fixing clearance space and make between the main body of head 3 of described pad 7 and described oblique dead bolt, the length of this clearance space equal described interior step 311 length but greater than the thickness of described roof 41.
The tail end of described joint pin 31 is provided with axial blind hole 33, has flanging 32 thereby the blind hole mouth of described blind hole 33 is the flanging shape.Wherein said flanging 32 can be enclosed within described roof 41, described pad 7 on the described joint pin 31 on the basis of the described blind hole 33 that sets in advance in advance, the moulding by the described blind hole 33 of punching press.Can utilize like this flanging 32 at described blind hole mouth 33 places, the described roof 41 of described rod body part 4 is limited on the described outer step 312 of described joint pin 31.Owing to having fixing clearance space between the main body of described pad 7 and described head 3, described roof 41 is limited on the described interior step 311 and in the clearance space between the main body of described pad 7 and described head 3, so not only the structural strength of described joint pin 31 can be guaranteed, and make between described head 3 and the described rod body part 4 by described pad 7 and can form being connected of stationarity, at least can reduce rocking of described head 3, also can allow described head 3 on described roof 41, freely rotate.Secondly, thus the head of described oblique dead bolt 3 on described rod body part 4, can rotate can adjust its inclined-plane towards, adapt to the different directions of opening the door thereby be convenient to door lock.
Claims (7)
1. have the antitheft lock that strengthens lock bolt structure, comprise the lock housing body, be contained in the driving mechanism in the described lock housing body and can make the oblique dead bolt of door leaf locking; Described oblique dead bolt comprise rod body part and be arranged on described rod body part front end and the bevelled head of tool, the head that described driving mechanism can drag described oblique dead bolt stretches out in the peristome that a sidewall of described lock housing body forms or retracts; It is characterized in that, the head tail end of described oblique dead bolt is provided with joint pin, the head integrated molding of described joint pin and described oblique dead bolt, described rod body part includes the roof that is tabular, the middle position of described roof is provided with medium pore, and described joint pin passes described medium pore and is connected to described roof.
2. the antitheft lock with enhancing lock bolt structure according to claim 1 is characterized in that, can link together between described joint pin and the described roof with relatively rotating.
3. the antitheft lock with enhancing lock bolt structure according to claim 2 is characterized in that, the tail end of described joint pin is provided with axial blind hole, and the blind hole mouth of described blind hole is the flanging shape.
4. according to claim 1,2 or 3 described antitheft locks with enhancing lock bolt structure, it is characterized in that, described joint pin is step-like, wherein the external diameter of interior step is greater than the external diameter of outer step, described roof is limited on the described interior step, be provided with pad at described outer step, the external diameter of described pad is greater than the internal diameter of described medium pore, and described pad is limited between described interior step and the described flanging.
5. according to claim 1,2 or 3 describedly have antitheft locks that strengthen lock bolt structure, it is characterized in that, described rod body part comprises two sidewalls that also are tabular, two described sidewalls and described roof integrated molding are the doorframe shape.
6. according to claim 5 have an antitheft lock that strengthens lock bolt structure, it is characterized in that, the length that two described sidewalls extend in the described lock housing body is different, and wherein long described sidewall connects described driving mechanism.
7. the antitheft lock with enhancing lock bolt structure according to claim 5 is characterized in that, two described sidewalls are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210396084.6A CN102877699B (en) | 2012-10-17 | 2012-10-17 | Anti-theft lock body with enhanced lock tongue structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210396084.6A CN102877699B (en) | 2012-10-17 | 2012-10-17 | Anti-theft lock body with enhanced lock tongue structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102877699A true CN102877699A (en) | 2013-01-16 |
| CN102877699B CN102877699B (en) | 2015-07-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210396084.6A Expired - Fee Related CN102877699B (en) | 2012-10-17 | 2012-10-17 | Anti-theft lock body with enhanced lock tongue structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102877699B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0562525A2 (en) * | 1992-03-24 | 1993-09-29 | Costruzioni Italiane Serrature Affini C.I.S.A. S.p.A. | Electric lock provided with an opening handle which acts directly on the spring latch |
| JP2001012116A (en) * | 1999-06-28 | 2001-01-16 | Daihatsu Diesel Mfg Co Ltd | Muffled latch lock |
| DE10100967A1 (en) * | 2001-01-11 | 2002-07-18 | Manuel Engesser | Lock, for the door of a bathroom or a toilet cubicle, has a handle with a dual function to open the door from the outside and lock it from the inside |
| CN2504350Y (en) * | 2001-10-30 | 2002-08-07 | 山东双山电子锁业股份有限公司 | Spring bolt (3) |
| CN2642941Y (en) * | 2003-09-28 | 2004-09-22 | 曾志添 | Hook type lock pin |
| CN101240678A (en) * | 2008-01-08 | 2008-08-13 | 吴沛华 | Single inclined tongue lock |
| CN201991336U (en) * | 2010-11-19 | 2011-09-28 | 中山市皇鼎五金制品有限公司 | Mortise door lock available for self-locking and escaping |
| CN202850619U (en) * | 2012-10-17 | 2013-04-03 | 曹国基 | Anti-theft lock body provided with enhanced locking dog structure |
-
2012
- 2012-10-17 CN CN201210396084.6A patent/CN102877699B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0562525A2 (en) * | 1992-03-24 | 1993-09-29 | Costruzioni Italiane Serrature Affini C.I.S.A. S.p.A. | Electric lock provided with an opening handle which acts directly on the spring latch |
| JP2001012116A (en) * | 1999-06-28 | 2001-01-16 | Daihatsu Diesel Mfg Co Ltd | Muffled latch lock |
| DE10100967A1 (en) * | 2001-01-11 | 2002-07-18 | Manuel Engesser | Lock, for the door of a bathroom or a toilet cubicle, has a handle with a dual function to open the door from the outside and lock it from the inside |
| CN2504350Y (en) * | 2001-10-30 | 2002-08-07 | 山东双山电子锁业股份有限公司 | Spring bolt (3) |
| CN2642941Y (en) * | 2003-09-28 | 2004-09-22 | 曾志添 | Hook type lock pin |
| CN101240678A (en) * | 2008-01-08 | 2008-08-13 | 吴沛华 | Single inclined tongue lock |
| CN201991336U (en) * | 2010-11-19 | 2011-09-28 | 中山市皇鼎五金制品有限公司 | Mortise door lock available for self-locking and escaping |
| CN202850619U (en) * | 2012-10-17 | 2013-04-03 | 曹国基 | Anti-theft lock body provided with enhanced locking dog structure |
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| Publication number | Publication date |
|---|---|
| CN102877699B (en) | 2015-07-01 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGDONG ARCHIE HARDWARE CO., LTD. Free format text: FORMER OWNER: CAO GUOJI Effective date: 20150114 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20150114 Address after: Nanhai District of Shishan Changhong industrial director Ling Gang Bei Lu 528231 Guangdong city of Foshan Province Applicant after: Guangdong Archie Hardware Co.,Ltd. Address before: 528231 Guangdong province Dali Nanhai District of Foshan City, Changhong ridge industrial director Gang Bei Lu Guangdong Yajie Hardware Co. Ltd. in Applicant before: Cao Guoji |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 |