CN202850619U - Anti-theft lock body provided with enhanced locking dog structure - Google Patents
Anti-theft lock body provided with enhanced locking dog structure Download PDFInfo
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- CN202850619U CN202850619U CN 201220533089 CN201220533089U CN202850619U CN 202850619 U CN202850619 U CN 202850619U CN 201220533089 CN201220533089 CN 201220533089 CN 201220533089 U CN201220533089 U CN 201220533089U CN 202850619 U CN202850619 U CN 202850619U
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- lock
- head
- joint pin
- roof
- locking dog
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Abstract
The utility model relates to a lock body of a door lock, in particular to relate to an anti-theft lock body provided with an enhanced locking dog structure. The anti-theft lock body provided with the enhanced locking dog structure comprises a lock shell body, a driving mechanism contained in the lock shell body and an inclined locking dog enabling door leaves to shut. The inclined locking dog comprises a rod somatic part and a head which is arranged at the front end of the rod somatic part and provided with an inclined face. The driving mechanism can drag the head of the inclined locking dog to stretch out or retract in an opening part formed on a side wall of the lock shell body. The anti-theft lock body provided with the enhanced locking dog structure is characterized in that a connecting pillar is arranged at the tail end of the head of the inclined locking dog, the connecting pillar and the head of the inclined locking dog are shaped up in unity, the rod somatic part comprises a plate-shaped top wall, a center hole is formed in the central part of the top wall, the connecting pillar penetrates through the center hole and is connected to the top wall. Due to the characteristics and advantages, and therefore the anti-theft lock body provided with the enhanced locking dog structure 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 |
|---|---|---|---|
| CN 201220533089 CN202850619U (en) | 2012-10-17 | 2012-10-17 | Anti-theft lock body provided with enhanced locking dog structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220533089 CN202850619U (en) | 2012-10-17 | 2012-10-17 | Anti-theft lock body provided with enhanced locking dog structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202850619U true CN202850619U (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220533089 Expired - Lifetime CN202850619U (en) | 2012-10-17 | 2012-10-17 | Anti-theft lock body provided with enhanced locking dog structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202850619U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877699A (en) * | 2012-10-17 | 2013-01-16 | 曹国基 | Anti-theft lock body with enhanced lock tongue structure |
| CN103758404A (en) * | 2014-01-25 | 2014-04-30 | 曹国基 | Lock body with improved lock tongue connecting rod |
-
2012
- 2012-10-17 CN CN 201220533089 patent/CN202850619U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877699A (en) * | 2012-10-17 | 2013-01-16 | 曹国基 | Anti-theft lock body with enhanced lock tongue structure |
| CN103758404A (en) * | 2014-01-25 | 2014-04-30 | 曹国基 | Lock body with improved lock tongue connecting rod |
| CN103758404B (en) * | 2014-01-25 | 2015-11-18 | 广东雅洁五金有限公司 | There is the lock body improving dead bolt connecting rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangdong Archie Hardware Co., Ltd. Assignor: Cao Guoji Contract record no.: 2013440000401 Denomination of utility model: Anti-theft lock body with enhanced lock tongue structure Granted publication date: 20130403 License type: Exclusive License Record date: 20130802 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130403 Effective date of abandoning: 20150701 |
|
| RGAV | Abandon patent right to avoid regrant |