CN111706168B - Isolation lock device convenient to reliably operate - Google Patents
Isolation lock device convenient to reliably operate Download PDFInfo
- Publication number
- CN111706168B CN111706168B CN202010734906.1A CN202010734906A CN111706168B CN 111706168 B CN111706168 B CN 111706168B CN 202010734906 A CN202010734906 A CN 202010734906A CN 111706168 B CN111706168 B CN 111706168B
- Authority
- CN
- China
- Prior art keywords
- lock
- gasket
- lock cylinder
- bolt
- rotating arm
- 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.)
- Active
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 9
- 239000004677 Nylon Substances 0.000 claims abstract description 7
- 229920001778 nylon Polymers 0.000 claims abstract description 7
- 238000012856 packing Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/04—Spring arrangements in locks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/10—Bolts of locks or night latches
Landscapes
- Lock And Its Accessories (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The invention discloses an isolation lock device convenient for reliable operation, which comprises a lock cylinder fixed between a mounting bracket and an outer end cover, wherein a rotating arm is connected to the lock cylinder, the other end of the rotating arm is movably connected with a connecting plate, the other end of the connecting plate is movably connected with a lock bolt, the lock bolt is sleeved with a fixing bracket, the tail end of the fixing bracket is mounted on the mounting bracket, a torsion spring is fixed on the mounting bracket, the other end of the torsion spring is inserted into the joint of the rotating arm and the connecting plate, and a third gasket is arranged on the contact end face of the lock cylinder and the outer end cover; a first gasket and a second gasket are sequentially arranged between the lock cylinder and the outer end cover along the axial direction of the lock cylinder. The invention is matched with the round gasket to realize the tightness of the lock core position, the rubber gasket is sleeved at the lock core step to eliminate the axial movement of the lock core, and the nylon gasket can reduce the friction resistance born by the lock core during rotation, so that the device can ensure the tightness and greatly improve the reliability and stability of the device.
Description
Technical Field
The present invention relates to an isolation lock device, and more particularly, to an isolation lock device that facilitates reliable operation.
Background
Along with the progress of the times, the traffic industry plays a key role in the economic development, the subway becomes an important measuring scale for measuring the urban economic level, along with the dependence of people on the subway, the stability and the reliability of subway parts are particularly important, and the locking device of the subway door is more required to be more reliable and stable. The lock core of the isolation lock device of the subway door is exposed to the outer surface of the automobile body, so that the lock core is extremely required to have better sealing performance while ensuring reliable operation, and because the lock core needs to rotate, a gap exists in the axial direction of the lock core, the lock core can axially float, and meanwhile, the sealing performance of a door system can be reduced. The existing isolation lock device realizes the locking and opening and maintaining states of the door through the torsion spring and the lock plunger, and the sealing performance and the axial rolling problem of the structure cannot be guaranteed under the condition that the smooth opening and closing of the lock core are guaranteed.
Disclosure of Invention
The invention aims to: the invention aims to provide an isolation lock device which is convenient to operate reliably, ensures the tightness of the device and realizes the stable and reliable operation of a mechanism.
The technical scheme is as follows: the invention comprises a lock cylinder fixed between a mounting bracket and an outer end cover, wherein a rotating arm is connected to the lock cylinder, the other end of the rotating arm is movably connected with a connecting plate, the other end of the connecting plate is movably connected with a lock bolt, a fixing bracket is sleeved on the lock bolt, the tail end of the fixing bracket is mounted on the mounting bracket, a torsion spring is fixed on the mounting bracket, the other end of the torsion spring is inserted into the joint of the rotating arm and the connecting plate, and a third gasket is arranged on the contact end surface of the lock cylinder and the outer end cover; a first gasket and a second gasket are sequentially arranged between the lock cylinder and the outer end cover along the axial direction of the lock cylinder.
The two sides of the rotating arm are respectively provided with a short shaft sleeve and a long shaft sleeve, and the short shaft sleeve and the long shaft sleeve are both connected with the lock cylinder and used for limiting the axial movement of the rotating arm.
The third gasket adopts a circular gasket, and the circular gasket is placed in a groove formed along the circumferential direction of the lock cylinder, so that the outer end cover and the lock cylinder are sealed.
The first gasket is a rubber gasket, and the rubber gasket is in contact with the lock cylinder, so that the axial movement of the lock cylinder can be limited while the stable rotation of the rotating arm is ensured.
The second gasket adopts a nylon gasket, and the nylon gasket is contacted with the end face of the outer end cover, so that the friction force in the movement process of the lock cylinder is reduced.
The rotating arm is hinged with the connecting plate through a bolt with holes, and the lock bolt can be stretched by rotating the rotating arm.
The end of the torsion spring is inserted into the hole of the bolt with the hole.
The torsion spring is arranged on the mounting bracket through the fixing screw, and the tension of the torsion spring can realize the expansion of the lock bolt.
And a limiting pin is also fixed on the mounting bracket.
The outer end cover is connected with the mounting bracket through countersunk screws.
The beneficial effects are that: according to the invention, the torsion spring is matched with the rotating arm and the connecting plate, so that the lock plunger can be reliably locked in place and opened in place, the groove structure of the lock core is matched with the circular gasket, the sealing performance of the lock core position can be realized, the rubber gasket is sleeved at the lock core step position, the axial shifting quantity of the lock core can be eliminated, and the gasket can reduce the friction resistance suffered by the lock core during rotation, so that the reliability and the stability of the device are greatly improved while the sealing performance is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an internal schematic view of the invention in an open state;
FIG. 3 is an internal schematic view of the present invention in a locked state;
FIG. 4 is a cross-sectional view taken along the A-A plane of FIG. 1;
Fig. 5 is a partial enlarged view of fig. 4.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the invention comprises an outer end cover 1, wherein the outer end cover 1 is connected with a mounting bracket 13 through four countersunk screws 2, a lock cylinder 4 is arranged between the outer end cover 1 and the mounting bracket 13, a rotating arm 5 is connected to the lock cylinder 4, the other end of the rotating arm 5 is hinged with a connecting plate 6 through a perforated bolt 7, the other end of the connecting plate 6 is hinged with a lock bolt 8, and the expansion and the contraction of the lock bolt 8 can be realized through rotating the rotating arm 5. The lock plunger 8 is sleeved with a fixing support 3, the fixing support 3 is of an L-shaped structure, and the tail end of the L-shaped structure is fixed on a mounting support 13 and used for limiting the lock plunger 8, as shown in fig. 2 and 3.
As shown in fig. 2 and 3, one end of the rotating arm 5 is inserted into the hole bolt 7, a deep hole is formed in the tail end of the hole bolt 7, one end of the torsion spring 12 is inserted into the hole of the hole bolt 7, the other end of the torsion spring is sleeved on the fixing screw 9, the fixing screw 9 is fixed on the mounting bracket 13, and the tension of the torsion spring 12 can ensure that the lock bolt 8 stretches into place. When the lock cylinder 4 rotates anticlockwise, the lock bolt 8 is driven to extend through the rotating arm 5 and the connecting plate 6, when the rotating arm 5 contacts with the inclined plane of the fixed support 3, the elongation of the lock bolt 8 reaches the maximum, the tension of the torsion spring 12 enables the lock bolt 8 to keep the maximum elongation state, and at the moment, the lock cylinder 4 is in an open state, as shown in fig. 2. When the lock cylinder 4 rotates clockwise, the lock bolt 8 is driven to shrink through the rotating arm 5 and the connecting plate 6, when the rotating arm 5 contacts with the positioning pin 10 fixed on the mounting bracket 13, the shrinkage of the lock bolt 8 reaches the maximum, at the moment, the lock cylinder 4 is in a locking state, and the tension of the torsion spring 12 enables the lock bolt 8 to keep the maximum shrinkage state, as shown in fig. 3.
As shown in fig. 4 and 5, the two sides of the rotary arm 5 are respectively sleeved with a short sleeve 16 and a long sleeve 17, and the short sleeve 16 and the long sleeve 17 are sleeved on the lock cylinder 4 and are used for limiting the axial movement of the rotary arm 5. Grooves are formed in the end face, in contact with the outer end cover 1, of the lock cylinder 4 along the circumferential direction of the lock cylinder 4, and circular washers 11 are placed in the grooves, so that the outer end cover 1 and the lock cylinder 4 are sealed. A rubber gasket 15 and a nylon Long Dianjuan 14 are sleeved between the lock cylinder 4 and the outer end cover 1 in sequence along the axial direction of the lock cylinder, the rubber gasket 15 is contacted with the step of the lock cylinder 4, and the axial movement of the lock cylinder 4 can be limited while the stable rotation of the rotating arm 5 is ensured; the nylon gasket 14 is in contact with the end face of the outer end cover 1, so that friction force in the movement process of the lock cylinder 4 is reduced.
Claims (2)
1. The utility model provides an isolation lock device convenient to reliable operation, includes lock core (4) fixed between installing support (13) and outer end cover (1), lock core (4) on be connected with rocking arm (5), the other end swing joint of rocking arm (5) has connecting plate (6), the other end and the lock plunger (8) of connecting plate (6) swing joint, lock plunger (8) on cover have fixed bolster (3), the end of fixed bolster (3) is installed on installing support (13), installing support (13) on be fixed with torsional spring (12), the junction of rocking arm (5) and connecting plate (6) is inserted to the other end of torsional spring (12), its characterized in that, lock core (4) be equipped with the third packing ring on the contact terminal surface of outer end cover (1); a first gasket and a second gasket are sequentially arranged between the lock cylinder (4) and the outer end cover (1) along the axial direction of the lock cylinder;
the two sides of the rotating arm (5) are respectively provided with a short shaft sleeve (16) and a long shaft sleeve (17), and the short shaft sleeve (16) and the long shaft sleeve (17) are connected with the lock cylinder (4); the third gasket is a circular gasket (11), and the circular gasket (11) is placed in a groove formed along the circumferential direction of the lock cylinder (4); the first gasket is a rubber gasket (15), and the rubber gasket (15) is in contact with the lock cylinder (4); the second gasket is a nylon gasket (14), and the nylon gasket (14) is in contact with the end face of the outer end cover (1); the rotating arm (5) is hinged with the connecting plate (6) through a bolt (7) with a hole;
One end of the rotating arm (5) is inserted into the perforated bolt (7), a deep hole is formed in the tail end of the perforated bolt (7), one end of the torsion spring (12) is inserted into the hole of the perforated bolt (7), the other end of the torsion spring is sleeved on the fixing screw (9), the fixing screw is fixed on the mounting bracket (13) through the fixing screw (9), and the tension of the torsion spring (12) can ensure that the lock bolt (8) stretches into place; when the lock cylinder (4) rotates anticlockwise, the lock bolt (8) is driven to extend through the rotating arm (5) and the connecting plate (6), when the rotating arm (5) is in contact with the inclined plane of the fixed support (3), the elongation of the lock bolt (8) is maximum, the tension of the torsion spring (12) enables the lock bolt (8) to keep the maximum elongation state, at the moment, the lock cylinder (4) is in an open state, when the lock cylinder (4) rotates clockwise, the lock bolt (8) is driven to shrink through the rotating arm (5) and the connecting plate (6), when the rotating arm (5) is in contact with the locating pin (10) fixed on the mounting support (13), the shrinkage of the lock bolt (8) is maximum, at the moment, the lock cylinder (4) is in a locking state, and the tension of the torsion spring (12) enables the lock bolt (8) to keep the maximum shrinkage state.
2. An isolating lock device for facilitating reliable operation according to claim 1, characterized in that the outer end cap (1) is connected to the mounting bracket (13) by means of countersunk screws (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010734906.1A CN111706168B (en) | 2020-07-28 | 2020-07-28 | Isolation lock device convenient to reliably operate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010734906.1A CN111706168B (en) | 2020-07-28 | 2020-07-28 | Isolation lock device convenient to reliably operate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111706168A CN111706168A (en) | 2020-09-25 |
| CN111706168B true CN111706168B (en) | 2024-07-16 |
Family
ID=72547889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010734906.1A Active CN111706168B (en) | 2020-07-28 | 2020-07-28 | Isolation lock device convenient to reliably operate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111706168B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060539A (en) * | 2017-03-27 | 2017-08-18 | 南京康尼机电股份有限公司 | A kind of car door isolates locking device |
| CN212453958U (en) * | 2020-07-28 | 2021-02-02 | 南京康尼机电股份有限公司 | Isolation lock device convenient to reliable operation |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2115055B (en) * | 1982-02-17 | 1985-06-26 | Emhart Ind | Deadbolt |
| CN202176178U (en) * | 2011-07-05 | 2012-03-28 | 青岛四方庞巴迪铁路运输设备有限公司 | High-speed train door isolation lock device |
| CN103774932B (en) * | 2013-12-31 | 2017-04-05 | 王力安防产品有限公司 | A kind of interior door lock |
| CN206071244U (en) * | 2016-09-08 | 2017-04-05 | 广东物联居科技有限公司 | The drive mechanism of insurance dead bolt |
| CN206942419U (en) * | 2017-07-11 | 2018-01-30 | 北京博得交通设备有限公司 | Electric plug sliding door isolates lock construction |
| CN209704255U (en) * | 2018-12-28 | 2019-11-29 | 今创集团股份有限公司 | Isolation lock |
| CN109914945B (en) * | 2019-03-18 | 2024-04-26 | 南京康尼机电股份有限公司 | Mechanical lock device for vehicle door |
| CN111425255A (en) * | 2020-03-18 | 2020-07-17 | 广州地铁设计研究院股份有限公司 | Fireproof protective airtight door with single-leaf concrete structure for high-speed railway and subway tunnel |
-
2020
- 2020-07-28 CN CN202010734906.1A patent/CN111706168B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060539A (en) * | 2017-03-27 | 2017-08-18 | 南京康尼机电股份有限公司 | A kind of car door isolates locking device |
| CN212453958U (en) * | 2020-07-28 | 2021-02-02 | 南京康尼机电股份有限公司 | Isolation lock device convenient to reliable operation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111706168A (en) | 2020-09-25 |
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