CN203487890U - Novel latch lock device for blast-resistant door - Google Patents
Novel latch lock device for blast-resistant door Download PDFInfo
- Publication number
- CN203487890U CN203487890U CN201320531175.6U CN201320531175U CN203487890U CN 203487890 U CN203487890 U CN 203487890U CN 201320531175 U CN201320531175 U CN 201320531175U CN 203487890 U CN203487890 U CN 203487890U
- Authority
- CN
- China
- Prior art keywords
- door
- lock device
- pin
- latch tongue
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The utility model provides a novel latch lock device for a blast-resistant door. The novel latch lock device comprises a door plate, an upper latch device, a door stop and a collision block, wherein the upper latch device is fixedly connected with the door plate and comprises a latch bolt. The latch bolt is connected with a connecting rod, a bolt hole is formed in the door stop, one end of the collision block is connected with the door stop, and the latch bolt extends into or exits the bolt hole by vertical movement of the connecting rod, so that the door plate is locked and opened. Compared with the prior art, the novel latch lock device for the blast-resistant door is small and exquisite in size, a self-closing mechanism is hidden, the latch bolt can extend out under the action of the spring force of the self-closing mechanism, and door locking sensitivity is improved.
Description
Technical field
The utility model relates to a kind of latch, relates in particular to a kind of novel blast-resistant door and uses bolt device.
Background technology
At present, on market on representative blast-resistant door latch from locking mechanism, be exposed, volume is larger, and must just can make dead bolt stretch out by lower latch, the sensitivity of locking a door is not high.
Utility model content
The purpose of this utility model is to provide a kind of novel blast-resistant door pin lock device, and little, the self-closing structure steganography of its volume and reaction sensitivity are high.
For reaching aforementioned object, a kind of novel blast-resistant door pin lock device of the utility model, it comprises: door-plate, the upper bolt device being 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, on described door shelves, be provided with dead bolt hole, described Impactor one end is connected with described door shelves, the other end is provided with stopping means, by moving up and down of connecting rod, make described latch tongue stretch into or exit dead bolt hole, thereby realize locking and the unlatching of end of door plate.
According to an embodiment of the present utility model, described upper bolt device also comprises:
Upper pin base, it offers groove, bottom from described groove is outward extended with rectangular boss, in described rectangular boss, offer counterbore, the first elastomeric element is installed in described counterbore, on the end face of described groove one side, offer manhole, the below of described manhole offers rectangular channel;
Latch cover plate, on it, offer first through hole corresponding with described manhole, in described the 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, on described the first shaft part, in vertical axis direction, offers the second through hole, and described the first shaft part is installed in the manhole of described upper pin base, and described the second shaft part stretches out described upper pin base;
Pin plate, it is sticked in described rectangular channel, offers waist manhole on described pin plate;
Pin, it inserts in described waist manhole by described the second through hole.
According to an embodiment of the present utility model, 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 an embodiment of the present utility model, described the first elastomeric element and the second elastomeric element are respectively spiral compression spring.
According to an embodiment of the present utility model, described groove is square groove, and the shape of described latch tongue is corresponding with the shape of described groove.
According to an embodiment of the present utility model, described latch tongue upper end is plane or inclined-plane.
According to an embodiment of the present utility model, the inclined-plane of described latch tongue upper end is 45° angle.
According to an embodiment of the present utility model, described latch cover plate is to be connected by sunk screw with upper pin base.
According to an embodiment of the present utility model, the diameter of described the first shaft part is greater than the diameter of described the second shaft part.
According to an embodiment of the present utility model, described waist manhole and described pin plate length direction are 30-60 ° of angles.
The beneficial effects of the utility model: compared with prior art, the pin lock device small and exquisite exquisiteness of volume not only for the novel blast-resistant door of the utility model, is concealed from locking mechanism, and can under self spring-force driven dual, latch tongue be stretched out, the sensitivity of locking a door improved.
Accompanying drawing explanation
Fig. 1 is pin lock device sectional view for the novel blast-resistant door of the utility model;
Fig. 2 is the structural representation of pin base on the utility model;
Fig. 3 is the structural representation that the utility model latch tongue is placed in pin base;
Fig. 4 is the assembling schematic diagram of upper bolt device described in the utility model;
Fig. 5 is that the utility model pin plate engages schematic diagram with hook groove.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Alleged " embodiment " or " embodiment " refers to special characteristic, structure or the characteristic that can be contained at least one implementation of the utility model herein.Different local in this manual " in one embodiment " that occur not all refer to same embodiment, neither be independent or the embodiment mutually exclusive with other embodiment optionally.
Refer to Fig. 1, it is pin lock device sectional view for the novel blast-resistant door of the utility model.Pin lock device as described in Figure 1 comprises door-plate 2, the upper bolt device being fixedly connected with described door-plate 2, door shelves 1 and Impactor 3.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 is to be connected by hex screw 10 with upper bolt device, and in other embodiments, this door-plate 2 can also be to be connected by other fastening devicess with upper bolt device, as bolt etc.
One side of described door shelves 1 is in the doorframe (not shown) being fixed 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 on the utility model; Fig. 3 is the structural representation that the utility model latch tongue is placed in pin base.On upper pin base 11 as described in Fig. 2 and Fig. 3, offer square groove 111, from the bottom of described square groove 111, be outward extended with rectangular boss 112, in described rectangular boss 112, offer counterbore 113, the first elastomeric element 14 is installed in described counterbore 113, on the end face of described groove 111 1 sides, offer 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 the first elastomeric element 14 is spiral compression spring, and in other embodiments, this first elastomeric element 14 can be also that other have flexible device.
Please continue to refer to Fig. 1, on latch cover plate 5 as described in Figure 1, offer first through hole 51 corresponding with described manhole 114, in described the first through hole 51, the 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, referring to 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 the 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, latch cover plate 5 offers rectangular through-hole 131 relatively, rectangular boss 112 on upper pin base 11 and the first elastomeric element 14 are all placed in described rectangular through-hole 131, the inclined-plane 132 that described latch tongue 13 upper ends are 45° angle, described latch tongue 13 sides offer hook groove 133 near 132 places, inclined-plane, upper end, 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 ends can also be plane.In other embodiments, the angle on described latch tongue 13 inclined-planes, upper end 132 can be greater than or less than 45° angle.
Refer to Fig. 5, it is that the utility model pin plate engages schematic diagram with hook groove.Chain axle 7 as described in Fig. 1 and Fig. 5, it comprises the first shaft part 71 and the second shaft part 72, described the first shaft part 71 is installed in the manhole 114 on described upper pin base 11, described the second shaft part 72 and described Impactor 3 joints.The diameter of described the first shaft part 71 is greater than the diameter of described the second shaft part 72, on described the first shaft part 71, in vertical axis direction, offers the second through hole 73.In this embodiment, the diameter of described the first shaft part 71 is greater than the diameter of described the second shaft part 72, and in other embodiments, the diameter of described the first shaft part 71 can also equal the diameter of described the second shaft part 72.
Described pin plate 9 is sticked in described rectangular channel 115, on described pin plate 9, offers waist manhole 91.In this embodiment, described waist manhole 91 is 30-60 ° of angles with described pin plate 9 length directions, and in other embodiments, this waist manhole 91 can be determined according to actual conditions with the angle of described pin plate 9 length directions.
Please continue to refer to Fig. 1 and Fig. 5, described pin 8 inserts in described waist manhole 91 by described the second through hole 73.Described pin 8 is fixed in the second through hole 73 and with the motion campaign of chain axle 7.When described chain axle 7 axially moves in mutually, described pin 8 promotes pin plates 9 by waist manhole 91, and pin plate 9 is deviate from from described hook groove 133, and door i.e. locking.
Operating principle of the present utility model is as follows: when latch tongue 13 is arranged in dead bolt hole 101, and the hook groove 133 that described pin plate 9 departs from latch tongue 13, now chain axle 7 contacts with Impactor 3, and spiral compression spring 6 is in compressive state.When door need to be opened, when outside connecting rod moves downward, the latch tongue 13 that drive is attached thereto also moves downward, when latch tongue 13 moves to hook groove on it 133 with described pin plate 9 flush position, because the screen resilience effect of spiral compression spring 6 heads on its axially-movable to outer of described chain axle 7, now pin 8 heads on the sidewall of waist manhole 91, make pin plate 9 move and be sticked in hook groove 133 towards the direction of hook groove 133, it is simultaneously locked that latch tongue 13 departs from dead bolt hole 101, 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 need to be closed, now described chain axle 7 withstands Impactor 3 inwardly motion vertically, pin 8 heads on the sidewall of waist manhole 91 towards the direction motion 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 and move upward and stretch in dead bolt hole 101, realize the automatic closing function of door.
The pin lock device small and exquisite exquisiteness of volume not only for a kind of novel blast-resistant door of the utility model, is concealed from locking mechanism, and can under self spring-force driven dual, latch tongue be stretched out, and has improved the sensitivity of locking a door.
Above-mentioned explanation has fully disclosed the specific embodiment of the present utility model.It is pointed out that being familiar with any change that person skilled in art does the specific embodiment of the present utility model does not all depart from the scope of claims of the present utility model.Correspondingly, the scope of claim of the present utility model is also not limited only to previous embodiment.
Claims (10)
1. a novel blast-resistant door pin lock device, it is characterized in that: it comprises: door-plate, the upper bolt device being 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, on described door shelves, be 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, thereby realize locking and the unlatching of end of door plate by moving up and down of connecting rod.
2. novel blast-resistant door pin lock device according to claim 1, is characterized in that: described upper bolt device also comprises:
Upper pin base, it offers groove, bottom from described groove is outward extended with rectangular boss, in described rectangular boss, offer counterbore, the first elastomeric element is installed in described counterbore, on the end face of described groove one side, offer manhole, the below of described manhole offers rectangular channel;
Latch cover plate, on it, offer first through hole corresponding with described manhole, in described the 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, on described the first shaft part, in vertical axis direction, offers the second through hole, and described the first shaft part is installed in the manhole of described upper pin base, and described the second shaft part stretches out described upper pin base;
Pin plate, it is sticked in described rectangular channel, offers waist manhole on described pin plate;
Pin, it inserts in described waist manhole by described the second through hole.
3. novel blast-resistant door pin lock device according to claim 2, it is characterized in that: 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.
4. novel blast-resistant door pin lock device according to claim 2, is characterized in that: described the first elastomeric element and the second elastomeric element are respectively spiral compression spring.
5. novel blast-resistant door pin lock device according to claim 2, is characterized in that: described groove is square groove, and the shape of described latch tongue is corresponding with the shape of described groove.
6. according to the novel blast-resistant door pin lock device described in claim 2 or 3, it is characterized in that: described latch tongue upper end is plane or inclined-plane.
7. novel blast-resistant door pin lock device according to claim 6, is characterized in that: the inclined-plane of described latch tongue upper end is 45° angle.
8. novel blast-resistant door pin lock device according to claim 2, is characterized in that: described latch cover plate is to be connected by sunk screw with upper pin base.
9. novel blast-resistant door pin lock device according to claim 2, is characterized in that: the diameter of described the first shaft part is more than or equal to the diameter of described the second shaft part.
10. novel blast-resistant door pin lock device according to claim 2, is characterized in that: described waist manhole and described pin plate length direction are 30-60 ° of angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320531175.6U CN203487890U (en) | 2013-08-28 | 2013-08-28 | Novel latch lock device for blast-resistant door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320531175.6U CN203487890U (en) | 2013-08-28 | 2013-08-28 | Novel latch lock device for blast-resistant door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203487890U true CN203487890U (en) | 2014-03-19 |
Family
ID=50258730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320531175.6U Withdrawn - After Issue CN203487890U (en) | 2013-08-28 | 2013-08-28 | Novel latch lock device for blast-resistant door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203487890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437603A (en) * | 2013-08-28 | 2013-12-11 | 江苏爵格工业设备有限公司 | Novel bolt-retained unit device for antiknock door |
-
2013
- 2013-08-28 CN CN201320531175.6U patent/CN203487890U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437603A (en) * | 2013-08-28 | 2013-12-11 | 江苏爵格工业设备有限公司 | Novel bolt-retained unit device for antiknock door |
| CN103437603B (en) * | 2013-08-28 | 2015-12-23 | 江苏爵格工业设备有限公司 | A kind of blast-resistant door pin lock device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9540842B2 (en) | Door latch assembly with movable lock plate | |
| KR102224099B1 (en) | Angle-adjustable positioning and self-closing hinges for high-sealing doors | |
| CN203374089U (en) | Switch cabinet door lock mechanism | |
| CN203487890U (en) | Novel latch lock device for blast-resistant door | |
| CN202273502U (en) | Structure of lock of switch cabinet door | |
| CN203515020U (en) | Novel escape pushing lever linkage lock device used for anti-knock door | |
| CN103485705A (en) | Child safety door fence | |
| KR20110007925U (en) | Linked type sliding door | |
| CN103437603B (en) | A kind of blast-resistant door pin lock device | |
| CN203729714U (en) | Automatic locking lock body with various driving modes | |
| CN205604879U (en) | Intelligence electronics keeper | |
| CN202117497U (en) | Device for allowing display cabinet door to move synchronously | |
| CN210178231U (en) | Wooden heat-insulation fireproof door | |
| CN203961532U (en) | Simple door stud structure | |
| CN206847180U (en) | Refrigerator | |
| CN203515069U (en) | Automatic contact lock structure | |
| CN204177063U (en) | Refrigerator counter construction of switch and refrigerator counter | |
| CN204920754U (en) | Novel door fence | |
| CN203515291U (en) | Child safety door rail | |
| CN203499417U (en) | Door plate rebounding device | |
| CN201883776U (en) | Mistaken-locking prevention device of casement window | |
| CN204318167U (en) | A kind of portable guardrail bales catch structure being applied to infanette | |
| CN202198139U (en) | Mechanically interlocked intelligent moistureproof storage cabinet | |
| CN201241542Y (en) | Automatic touch pin | |
| CN204175067U (en) | Moving door fastening devices |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140319 Effective date of abandoning: 20151223 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140319 Effective date of abandoning: 20151223 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |