CN103437603B - A kind of blast-resistant door pin lock device - Google Patents
A kind of blast-resistant door pin lock device Download PDFInfo
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- CN103437603B CN103437603B CN201310379066.1A CN201310379066A CN103437603B CN 103437603 B CN103437603 B CN 103437603B CN 201310379066 A CN201310379066 A CN 201310379066A CN 103437603 B CN103437603 B CN 103437603B
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- door
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Abstract
The invention provides a kind of blast-resistant door pin lock device, it comprises: door-plate, the upper bolt device be fixedly connected with described door-plate, door shelves and Impactor, described upper bolt device comprises latch tongue, described latch tongue is connected with connecting rod, described door shelves are provided with dead bolt hole, described Impactor one end is connected with described door shelves, makes described latch tongue stretch into or exit dead bolt hole, thus realize locking and the unlatching of end of door plate by moving up and down of connecting rod.Compared with prior art, blast-resistant door pin lock device of the present invention not only compact is exquisite, is concealed, and can be stretched out by latch tongue under own spring force effect, improve the sensitivity of locking a door from locking mechanism.
Description
Technical field
The present invention relates to a kind of latch, particularly relate to a kind of blast-resistant door bolt device.
Background technology
At present, on blast-resistant door representative on market, latch is exposed from locking mechanism, and volume is comparatively large, and dead bolt just can must be made to stretch out by lower latch, and sensitivity of locking a door is not high.
Summary of the invention
The object of the present invention is to provide a kind of blast-resistant door pin lock device, little, the self-closing structure steganography of its volume and reaction sensitivity is high.
For reaching aforementioned object, a kind of blast-resistant door pin lock device of the present invention, it comprises: door-plate, the upper bolt device be fixedly connected with described door-plate, door shelves and Impactor, described upper bolt device comprises latch tongue, described latch tongue is connected with connecting rod, described door shelves are provided with dead bolt hole, described Impactor one end is connected with described door shelves, the other end is provided with stopping means, make described latch tongue stretch into or exit dead bolt hole by moving up and down of connecting rod, thus realize locking and the unlatching of end of door plate.
According to one embodiment of present invention, described upper bolt device also comprises:
Upper pin base, it offers groove, rectangular boss is outward extended with from the bottom of described groove, described rectangular boss offers counterbore, first elastomeric element is installed in described counterbore, the end face of described groove side offers manhole, and the below of described manhole offers rectangular channel;
Latch cover plate, it offers first through hole corresponding with described manhole, in described first through hole, the second elastomeric element is installed, described latch cover plate is connected with described upper pin base and forms the box-like body with groove with upper pin base, and described latch tongue is contained in described groove;
Chain axle, it comprises the first shaft part and the second shaft part, and vertical axis direction offers the second through hole to described first shaft part, and described first shaft part is installed in the manhole of described upper pin base, and described second shaft part stretches out described upper pin base;
Pin plate, it is sticked in described rectangular channel, described pin plate offers kidney ellipsoid through hole;
Pin, it is inserted in described kidney ellipsoid through hole by described second through hole.
According to one embodiment of present invention, on described latch tongue, relatively described latch cover plate offers rectangular through-hole, described rectangular boss and the first elastomeric element are all placed in described rectangular through-hole, described latch tongue side offers hook groove near upper end, and the lower end of described latch tongue is connected with connecting rod.
According to one embodiment of present invention, described first elastomeric element and the second elastomeric element are respectively spiral compression spring.
According to one embodiment of present invention, described groove is square groove, and the shape of described latch tongue is corresponding with the shape of described groove.
According to one embodiment of present invention, described latch tongue upper end is plane or inclined-plane.
According to one embodiment of present invention, the inclined-plane of described latch tongue upper end is 45° angle.
According to one embodiment of present invention, described latch cover plate and upper pin base are connected by sunk screw.
According to one embodiment of present invention, the diameter of described first shaft part is greater than the diameter of described second shaft part.
According to one embodiment of present invention, described kidney ellipsoid through hole and described pin plate length direction are 30-60 ° of angles.
Beneficial effect of the present invention: compared with prior art, blast-resistant door pin lock device of the present invention not only compact is exquisite, is concealed, and can be stretched out by latch tongue under own spring force effect, improve the sensitivity of locking a door from locking mechanism.
Accompanying drawing explanation
Fig. 1 is blast-resistant door pin lock device sectional view of the present invention;
Fig. 2 is the structural representation of pin base in the present invention;
Fig. 3 is the structural representation that latch tongue of the present invention is placed in pin base;
Fig. 4 is the assembling schematic diagram of upper bolt device of the present invention;
Fig. 5 is that pin plate of the present invention engages schematic diagram with hook groove.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Alleged herein " embodiment " or " embodiment " refers to special characteristic, structure or the characteristic that can be contained at least one implementation of the present invention.Different local in this manual " in one embodiment " occurred not all refers to same embodiment, neither be independent or optionally mutually exclusive with other embodiments embodiment.
Refer to Fig. 1, it is blast-resistant door pin lock device sectional view of the present invention.Upper bolt device, door shelves 1 and Impactor 3 that pin lock device as described in Figure 1 comprises door-plate 2, is fixedly connected with described door-plate 2.Described upper bolt device comprises pin base 11, latch cover plate 5, latch tongue 13, chain axle 7, pin plate 9 and pin 8.In this embodiment, described door-plate 2 and upper bolt device are connected by hex screw 10, and in other embodiments, this door-plate 2 and upper bolt device can also be connected, as bolt etc. by other fastening devicess.
The side of described door shelves 1 is fixed in the doorframe (not shown) in door, the outside of described door shelves 1 is connected with Impactor 3 by screw, on described door shelves 1, corresponding latch tongue 13 offers dead bolt hole 101, when latch tongue 13 puts in this dead bolt hole 101, now door-plate 2 is in closed condition, when latch tongue 13 exits in this dead bolt hole 101, now door-plate 2 is in opening.
In this embodiment, described Impactor 3 is fixedly connected with by screw with door shelves 1, and in other embodiments, this Impactor 3 can also be that integral type is connected with door shelves 1.
Refer to Fig. 2 and Fig. 3, Fig. 2 is the structural representation of pin base in the present invention; Fig. 3 is the structural representation that latch tongue of the present invention is placed in pin base.Upper pin base 11 as described in Fig. 2 and Fig. 3 offers square groove 111, rectangular boss 112 is outward extended with from the bottom of described square groove 111, described rectangular boss 112 offers counterbore 113, first elastomeric element 14 is installed in described counterbore 113, the end face of described groove 111 side offers manhole 114, described manhole 114 is for installing chain axle 7, and the below of described manhole 114 offers rectangular channel 115, and described rectangular channel 115 is used for holding pin plate 9.In this embodiment, described first elastomeric element 14 is spiral compression spring, and in other embodiments, this first elastomeric element 14 also can be that other have flexible device.
Please continue to refer to Fig. 1, latch cover plate 5 as described in Figure 1 offers first through hole 51 corresponding with described manhole 114, in described first through hole 51, second elastomeric element 6 is installed, described latch cover plate 5 is connected with upper pin base 11 by sunk screw 12, this latch cover plate 5 forms the box-like body with groove with upper pin base 11, specifically see Fig. 4, described latch tongue 13 is contained in described groove, and described chain axle 7 stretches out pin base 11 and contacts with Impactor.In this embodiment, described second elastomeric element 6 is spiral compression spring, and in other embodiments, this second elastomeric element 6 can also have flexible device for other.
Please continue to refer to Fig. 3, on latch tongue 13 as described in Figure 3, relative latch cover plate 5 offers rectangular through-hole 131, rectangular boss 112 on upper pin base 11 and the first elastomeric element 14 are all placed in described rectangular through-hole 131, described latch tongue 13 upper end is the inclined-plane 132 of 45° angle, described latch tongue 13 side offers hook groove 133 near inclined-plane, upper end 132 place, this hook groove 133 is for engaging pin plate 9, and the lower end of described latch tongue 13 is connected with outside connecting rod by bolt hole.In other embodiments, latch tongue 13 upper end can also be plane.In other embodiments, the angle on inclined-plane, described latch tongue 13 upper end 132 can be greater than or less than 45° angle.
Refer to Fig. 5, it engages schematic diagram for pin plate of the present invention with hook groove.Chain axle 7 as described in figures 1 and 5, it comprises the first shaft part 71 and the second shaft part 72, and described first shaft part 71 is installed in the manhole 114 on described upper pin base 11, described second shaft part 72 and described Impactor 3 joint.The diameter of described first shaft part 71 is greater than the diameter of described second shaft part 72, and vertical axis direction offers the second through hole 73 to described first shaft part 71.In this embodiment, the diameter of described first shaft part 71 is greater than the diameter of described second shaft part 72, and in other embodiments, the diameter of described first shaft part 71 can also equal the diameter of described second shaft part 72.
Described pin plate 9 is sticked in described rectangular channel 115, and described pin plate 9 offers kidney ellipsoid through hole 91.In this embodiment, described kidney ellipsoid through hole 91 is 30-60 ° of angles with described pin plate 9 length direction, and in other embodiments, this kidney ellipsoid through hole 91 can be determined according to actual conditions with the angle of described pin plate 9 length direction.
Please continue to refer to Fig. 1 and Fig. 5, described pin 8 is inserted in described kidney ellipsoid through hole 91 by described second through hole 73.Described pin 8 to be fixed in the second through hole 73 and to move with the motion of chain axle 7.When axially moving in described chain axle 7 phase, described pin 8 promotes pin plate 9 by kidney ellipsoid through hole 91, and pin plate 9 is deviate from from described hook groove 133, and namely door locks.
Operating principle of the present invention is as follows: when latch tongue 13 is arranged in dead bolt hole 101, and described pin plate 9 departs from the hook groove 133 on latch tongue 13, and now chain axle 7 contacts with Impactor 3, and spiral compression spring 6 is in compressive state.When door needs to open, when outside connecting rod moves downward, the latch tongue 13 be attached thereto is driven also to move downward, when latch tongue 13 moves to hook groove on it 133 with described pin plate 9 flush position, screen resilience effect due to spiral compression spring 6 heads on its axially-movable to outer of described chain axle 7, now pin 8 heads on the sidewall of kidney ellipsoid through hole 91, pin plate 9 is made to move towards the direction of hook groove 133 and be sticked in hook groove 133, latch tongue 13 departs from dead bolt hole 101 and is locked simultaneously, namely door is unlocked, now spiral compression spring 6 is in recoil state, described spiral compression spring 14 is in compressive state, described chain axle 7 is separated with Impactor 3, when door needs to close, now described chain axle 7 withstands Impactor 3 and inwardly moves vertically, the sidewall that pin 8 heads on kidney ellipsoid through hole 91 moves towards the direction away from hook groove 133, pin plate 8 is departed from from the hook groove 133 of latch tongue 13, now described spiral compression spring 14 is due to screen resilience effect, head on latch tongue 13 to move upward and stretch in dead bolt hole 101, realize the automatic closing function of door.
Not only compact is exquisite with pin lock device for a kind of blast-resistant door of the present invention, is concealed, and can be stretched out by latch tongue under own spring force effect, improve the sensitivity of locking a door from locking mechanism.
Above-mentioned explanation fully discloses the specific embodiment of the present invention.It is pointed out that the scope be familiar with person skilled in art and any change that the specific embodiment of the present invention is done all do not departed to claims of the present invention.Correspondingly, the scope of claim of the present invention is also not limited only to previous embodiment.
Claims (8)
1. a blast-resistant door pin lock device, it is characterized in that: it comprises: door-plate, the upper bolt device be fixedly connected with described door-plate, door shelves and Impactor, described upper bolt device comprises latch tongue, described latch tongue is connected with connecting rod, described door shelves are provided with dead bolt hole, and described Impactor one end is connected with described door shelves, makes described latch tongue stretch into or exit dead bolt hole by moving up and down of connecting rod, thus realize locking and the unlatching of end of door plate
Described upper bolt device also comprises:
Upper pin base, it offers groove, rectangular boss is outward extended with from the bottom of described groove, described rectangular boss offers counterbore, first elastomeric element is installed in described counterbore, the end face of described groove side offers manhole, and the below of described manhole offers rectangular channel;
Latch cover plate, it offers first through hole corresponding with described manhole, in described first through hole, the second elastomeric element is installed, described latch cover plate is connected with described upper pin base and forms the box-like body with groove with upper pin base, and described latch tongue is contained in described groove;
Chain axle, it comprises the first shaft part and the second shaft part, and vertical axis direction offers the second through hole to described first shaft part, and described first shaft part is installed in the manhole of described upper pin base, and described second shaft part stretches out described upper pin base;
Pin plate, it is sticked in described rectangular channel, described pin plate offers kidney ellipsoid through hole;
Pin, it inserts in described kidney ellipsoid through hole by described second through hole,
On described latch tongue, relatively described latch cover plate offers rectangular through-hole, and described rectangular boss and the first elastomeric element are all placed in described rectangular through-hole, and described latch tongue side offers hook groove near upper end, and the lower end of described latch tongue is connected with connecting rod.
2. blast-resistant door pin lock device according to claim 1, is characterized in that: described first elastomeric element and the second elastomeric element are respectively spiral compression spring.
3. blast-resistant door pin lock device according to claim 1, it is characterized in that: described groove is square groove, the shape of described latch tongue is corresponding with the shape of described groove.
4. blast-resistant door pin lock device according to claim 1, is characterized in that: described latch tongue upper end is plane or inclined-plane.
5. blast-resistant door pin lock device according to claim 4, is characterized in that: the inclined-plane of described latch tongue upper end is 45° angle.
6. blast-resistant door pin lock device according to claim 1, is characterized in that: described latch cover plate and upper pin base are connected by sunk screw.
7. blast-resistant door pin lock device according to claim 1, is characterized in that: the diameter of described first shaft part is more than or equal to the diameter of described second shaft part.
8. blast-resistant door pin lock device according to claim 1, is characterized in that: described kidney ellipsoid through hole and described pin plate length direction are 30-60 ° of angles.
Priority Applications (1)
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CN201310379066.1A CN103437603B (en) | 2013-08-28 | 2013-08-28 | A kind of blast-resistant door pin lock device |
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CN201310379066.1A CN103437603B (en) | 2013-08-28 | 2013-08-28 | A kind of blast-resistant door pin lock device |
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CN103437603A CN103437603A (en) | 2013-12-11 |
CN103437603B true CN103437603B (en) | 2015-12-23 |
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CN201310379066.1A Active CN103437603B (en) | 2013-08-28 | 2013-08-28 | A kind of blast-resistant door pin lock device |
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Families Citing this family (1)
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CN108952386B (en) * | 2018-06-27 | 2020-07-10 | 余能仁 | Anti-theft device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2720020Y (en) * | 2004-05-14 | 2005-08-24 | 满洋 | Anti-theft built-in lock |
CN2736495Y (en) * | 2004-10-12 | 2005-10-26 | 上海森林特种钢门有限公司 | Three-way linkage latch lock for anti-knock door |
CN201103297Y (en) * | 2007-10-16 | 2008-08-20 | 上海森林特种钢门有限公司 | In-opening door linkage lock of anti-knock door |
CN203487890U (en) * | 2013-08-28 | 2014-03-19 | 江苏爵格工业设备有限公司 | Novel latch lock device for blast-resistant door |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3491847B2 (en) * | 1994-09-01 | 2004-01-26 | 株式会社久力製作所 | Latch head |
US6735991B2 (en) * | 2001-07-10 | 2004-05-18 | Alan E. Lurie | Tamper resistant lock assembly |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2720020Y (en) * | 2004-05-14 | 2005-08-24 | 满洋 | Anti-theft built-in lock |
CN2736495Y (en) * | 2004-10-12 | 2005-10-26 | 上海森林特种钢门有限公司 | Three-way linkage latch lock for anti-knock door |
CN201103297Y (en) * | 2007-10-16 | 2008-08-20 | 上海森林特种钢门有限公司 | In-opening door linkage lock of anti-knock door |
CN203487890U (en) * | 2013-08-28 | 2014-03-19 | 江苏爵格工业设备有限公司 | Novel latch lock device for blast-resistant door |
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Address after: 224199 Xikang Road, Dafeng Economic Development Zone, Yancheng City, Jiangsu Province Patentee after: Jiangsu juege Industry Group Co.,Ltd. Address before: 224100 Jiangsu Yancheng City Dafeng Economic Development Zone, south of pump valve industrial park. Patentee before: JIANGSU DRAGON INDUSTRIAL EQUIPMENT Co.,Ltd. |