CN112780111B - Tensioning lock with safety function - Google Patents
Tensioning lock with safety function Download PDFInfo
- Publication number
- CN112780111B CN112780111B CN202110176738.3A CN202110176738A CN112780111B CN 112780111 B CN112780111 B CN 112780111B CN 202110176738 A CN202110176738 A CN 202110176738A CN 112780111 B CN112780111 B CN 112780111B
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- lock
- lock cylinder
- pin
- chute
- rod
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- 230000009471 action Effects 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 11
- 238000005096 rolling process Methods 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 238000013461 design Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000007547 defect Effects 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
- E05B15/10—Bolts of locks or night latches
-
- 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
Landscapes
- Pressure Vessels And Lids Thereof (AREA)
- Lock And Its Accessories (AREA)
Abstract
A tension lock with a safety function comprises a lock shell, a lock cylinder cover, a lock cylinder sleeve, a lock rod and a lock tongue; the lock core is arranged in the lock shell in a penetrating way and only rotates; the upper end of the lock cylinder is convexly provided with an action part, and the lock cylinder cover is sleeved on the action part; the lock core sleeve is sleeved on the lock core and fixedly arranged on the lock shell; the lock rod is arranged in the lock cylinder in a penetrating way, the lower part is fixedly connected with the lock tongue; the lock rod is horizontally penetrated by the pin body, and the end part of the pin body extends outwards from the outer side of the lock rod; the lock cylinder is provided with a chute, the end part of the pin body extends into the chute, and the lock rod is driven to move up and down by the cooperation of the pin body and the chute when the lock cylinder rotates; the periphery of the lock core sleeve is provided with a long groove, the long groove is horizontally arranged, and one end of the long groove is upwards connected with a vertical groove. The invention has ingenious design, convenient unlocking and locking operation and smooth operation process, and simultaneously the tightening of the tightening lock is powerful when the tightening lock is locked, thereby ensuring the reliability and stability of the locking state of the tightening lock.
Description
Technical Field
The invention relates to a lock, in particular to a tensioning lock with a safety function for industrial use in the industries of rail transit, wind power generation, communication equipment and the like. The turning tongue of the lockset not only has a locking function, but also has a tensioning function, and can be applied to a door body, a window body, a cabinet body and the like.
Background
Industrial locks are used in a large number for locking doors and windows on vehicles or equipment in the industries of rail transit, wind power generation, communication equipment and the like. Chinese patent CN2549104Y discloses an invention patent named "lock tongue retractable door lock". The door lock consists of a lock shell, an outer guide sleeve, an inner guide sleeve, a lock core, a rotating shaft, a pin, a lock tongue and other parts, wherein a set of spiral guide mechanism is arranged in the lock shell, and the guide mechanism is formed by penetrating and closing the outer guide sleeve, the inner guide sleeve and the rotating shaft through the pin. The lock is designed for a tightly-closed door cabinet, wherein a lock tongue (a turning tongue) has double functions of locking and tensioning, but has the defects that an effective locking mechanism is lacking in a lock cylinder, the lock tongue is easy to rotate due to misoperation, a certain potential safety hazard exists, namely, the locking of the tightly-closed lock to a door plate is unreliable, and the safety is poor; furthermore, the convenience of the unlocking and locking operations is to be improved.
Therefore, how to solve the above-mentioned drawbacks of the prior art is a subject to be studied and solved by the present invention.
Disclosure of Invention
The invention aims to provide a tensioning lock with a safety function.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a tension lock with a safety function comprises a lock shell, a lock cylinder cover, a lock cylinder sleeve, a lock rod and a lock tongue;
The lock cylinder is arranged in the lock shell in a penetrating manner in the up-down direction, and the lock cylinder and the lock shell are in sealing fit and only rotate relative to the lock shell through limit; the upper end of the lock cylinder is provided with an action part in an upward protruding way, and the lock cylinder cover is sleeved on the action part and positioned in a through hole at the upper end of the lock shell; the action part is also sleeved with a first spring which acts between the lock cylinder cover and the lock cylinder to enable the lock cylinder cover to keep a trend of upward displacement;
The upper end face of the lock shell, the upper surface of the lock cylinder cover and the upper end face of the acting part of the lock cylinder are all positioned on the same horizontal plane in the locking state and the unlocking state of the tightening lock;
the lock core is sleeved on the lock core and fixedly arranged on the inner wall of the lock shell;
The lock rod is arranged in the lock cylinder in a penetrating manner in the up-down direction, the lower part of the lock rod is fixedly connected with the lock tongue, and the lock tongue is horizontally arranged;
the lock rod is characterized by further comprising a pin body which horizontally penetrates through the lock rod, and the end part of the pin body extends outwards from the outer side of the lock rod;
The periphery of the lock cylinder is provided with a chute, and in the assembled state of the lock rod and the lock cylinder, the end part of the pin body stretches into the chute to drive the lock rod to move up and down through the cooperation of the pin body and the chute when the lock cylinder rotates; in the unlocked state, the end of the pin body is positioned at the second end of the chute; in the locked state, the end of the pin body is positioned at the first end of the chute;
The outer periphery of the lock cylinder sleeve is also provided with a long groove which is horizontally arranged, and one end of the long groove is upwards connected with a vertical groove; in the unlocking state, the end part of the pin body is positioned in the long groove; in the locked state, the end of the pin body is located in the vertical slot.
The relevant content explanation in the technical scheme is as follows:
1. In the above scheme, in the vertical direction, the first end of the chute is positioned above the second end; in the horizontal direction, the first end of the chute is positioned on the right side of the second end;
The vertical groove is connected with the left end of the long groove.
2. In the scheme, the lock further comprises a pair of first rolling pins, and the two first rolling pins symmetrically penetrate through side parts positioned at the upper end of the lock shell along the horizontal direction; the lock core cover is provided with a relief groove corresponding to the first knurling pin, the first knurling pin stretches into the relief groove to form a first knurling pin which limits the rotation of the lock core cover, and the lock core cover can only move up and down.
3. In the scheme, the lock further comprises a pair of second rolling pins, and the two second rolling pins symmetrically penetrate through side parts positioned at the lower end of the lock shell along the horizontal direction;
the lock cylinder sleeve is fixedly arranged on the inner wall of the lock shell through the second rolling pin;
The lower extreme periphery of lock core is equipped with an annular positioning groove, the second annular knurl round pin inwards passes after the lock core cover stretches into in the annular positioning groove, constitutes through the spacing of second annular knurl round pin, the lock core is only done relative the rotation of lock shell.
4. In the above scheme, a first dismounting hole is further formed in the lock cylinder corresponding to the second rolling pin, and the first dismounting hole is located in the annular positioning groove;
a second dismounting hole is formed in the lock rod corresponding to the second rolling pin;
At least in a locking state, the second rolling pin, the first dismounting hole and the second dismounting hole are aligned and matched in the horizontal direction.
5. In the scheme, the lock further comprises a second spring which is arranged in the lock cylinder and acts between the lock cylinder and the lock rod, so that the lock rod keeps a downward displacement trend.
6. In the above scheme, a concave part is further arranged downwards in the first end of the chute, so that in the locking state, the end part of the pin body is positioned in the concave part to keep the stability of the locking state.
7. In the scheme, the lock further comprises a sealing ring, a sawtooth washer and a nut, wherein the sealing ring, the sawtooth washer and the nut are sleeved on the lock shell from top to bottom in sequence;
The nut is assembled on the door plate with the tensioning lock, the sealing ring guarantees the tightness of the combination of the tensioning lock and the door plate, and the sawtooth gasket guarantees the combination stability of the tensioning lock and the door plate.
The working principle and the advantages of the invention are as follows:
The invention relates to a tensioning lock with a safety function, which comprises a lock shell, a lock cylinder cover, a lock cylinder sleeve, a lock rod and a lock tongue; the lock core is arranged in the lock shell in a penetrating way and only rotates; the upper end of the lock cylinder is convexly provided with an action part, and the lock cylinder cover is sleeved on the action part; the lock core sleeve is sleeved on the lock core and fixedly arranged on the lock shell; the lock rod is arranged in the lock cylinder in a penetrating way, the lower part is fixedly connected with the lock tongue; the lock rod is horizontally penetrated by the pin body, and the end part of the pin body extends outwards from the outer side of the lock rod; the lock cylinder is provided with a chute, the end part of the pin body extends into the chute, and the lock rod is driven to move up and down by the cooperation of the pin body and the chute when the lock cylinder rotates; the periphery of the lock core sleeve is provided with a long groove, the long groove is horizontally arranged, and one end of the long groove is upwards connected with a vertical groove.
Compared with the prior art, the invention has ingenious design, convenient unlocking and locking operation, smooth operation process, powerful tensioning of the tensioning lock during locking and capability of ensuring the reliability and stability of the locking state of the tensioning lock.
More importantly, through the design of the lock core cover, the lock core cover is sleeved on the lock core, the lock core cover can keep the level with the upper end face of the lock core no matter in a locking state or an unlocking state, and meanwhile, the lock core is limited in rotation through the rotation limit of the lock core cover, so that the lock core is prevented from rotating due to misoperation, and the safety and reliability of the locking state of the tightening lock are ensured.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention in a locked state;
FIG. 2 is a top view of an embodiment of the present invention in a locked state;
FIG. 3 is a schematic cross-sectional view of an embodiment of the present invention in a locked state;
FIG. 4 is a perspective view of an embodiment of the present invention in an unlocked state;
FIG. 5 is a top view of an embodiment of the present invention in an unlocked state;
FIG. 6 is a schematic cross-sectional view of an embodiment of the present invention in an unlocked state;
FIG. 7 is an exploded view of an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a lock cylinder according to an embodiment of the present invention;
FIG. 9 is a state diagram of an embodiment of the present invention in an unlocked state;
FIG. 10 is a state diagram of the locking or unlocking process according to an embodiment of the present invention;
fig. 11 is a state diagram of the locked state according to the embodiment of the present invention.
In the above figures: 1. a lock case; 2. a lock core; 3. a lock cylinder cover; 4. a lock core sleeve; 5. a lock lever; 6. a bolt; 7.O shaped rings; 8. an action part; 9. a through hole; 10. a first spring; 11. a screw; 12. a gasket; 13. a pin body; 14. a chute; 15. a long groove; 16. a vertical groove; 17. a first rolling pin; 18. a relief groove; 19. a second rolling pin; 20. an annular positioning groove; 21. a first disassembly hole; 22. a second disassembly hole; 23. a second spring; 24. a concave portion; 25. a seal ring; 26. a serrated washer; 27. a nut; 28. and (5) a door plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples:
Examples: the present invention will be described in detail with reference to the drawings, wherein modifications and variations are possible in light of the teachings of the present invention, without departing from the spirit and scope of the present invention, as will be apparent to those of skill in the art upon understanding the embodiments of the present invention.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present disclosure. Singular forms such as "a," "an," "the," and "the" are intended to include the plural forms as well, as used herein.
The terms "first," "second," and the like, as used herein, do not denote a particular order or sequence, nor are they intended to be limiting, but rather are merely used to distinguish one element or operation from another in the same technical term.
As used herein, "connected" or "positioned" may refer to two or more components or devices in physical contact with each other, or indirectly, or in operation or action with each other.
As used herein, the terms "comprising," "including," "having," and the like are intended to be open-ended terms, meaning including, but not limited to.
The term (terms) as used herein generally has the ordinary meaning of each term as used in this field, in this disclosure, and in the special context, unless otherwise noted. Certain terms used to describe the present disclosure are discussed below, or elsewhere in this specification, to provide additional guidance to those skilled in the art in connection with the description herein.
The terms "upper", "lower", "left" and "right" used herein are directional terms, and are merely used to describe positional relationships among the structures, and are not intended to limit the present protection scheme or the specific direction of the actual implementation.
Referring to fig. 1-11, a tightening lock with a safety function comprises a lock shell 1, a lock cylinder 2, a lock cylinder cover 3, a lock cylinder sleeve 4, a lock rod 5 and a lock tongue 6.
The lock cylinder 2 is arranged in the lock shell 1 in a penetrating manner in the up-down direction, is in sealing fit with the lock cylinder through an O-shaped ring 7, and only rotates relative to the lock shell 1 through limiting; the upper end of the lock cylinder 2 is provided with an action part 8 in an upward protruding mode, and the action part 8 is used for operating and unlocking by an operator through a special key.
The lock core cover 3 is sleeved on the action part 8 and positioned in a through hole 9 at the upper end of the lock shell 1; the action part 8 is further sleeved with a first spring 10, and the first spring 10 acts between the lock cylinder cover 3 and the lock cylinder 2, so that the lock cylinder cover 3 keeps a trend of upward displacement.
In the locked state and the unlocked state of the tightening lock, the upper end face of the lock housing 1, the upper surface of the lock cylinder cover 3 and the upper end face of the acting portion 8 of the lock cylinder 2 are all located on the same horizontal plane.
The lock core sleeve 4 is sleeved on the lock core 2 and fixedly arranged on the inner wall of the lock shell 1.
The lock rod 5 is arranged in the lock cylinder 2 in a penetrating manner in the up-down direction, the lower part of the lock rod 5 is fixedly connected with the lock tongue 6 through a screw 11 and a gasket 12, and the lock tongue 6 is horizontally arranged.
The lock rod further comprises a pin body 13, wherein the pin body 13 horizontally penetrates through the lock rod 5, and the end part of the pin body 13 extends outwards from the lock rod 5.
The periphery of the lock cylinder 2 is provided with a chute 14, and in the assembled state of the lock rod 5 and the lock cylinder 2, the end part of the pin body 13 stretches into the chute 14 to drive the lock rod 5 to move up and down through the cooperation of the pin body 13 and the chute 14 when the lock cylinder 2 rotates; in the unlocked state, the end of the pin 13 is located at the second end of the chute 14; in the locked state, the end of the pin 13 is located at the first end of the chute 14.
The periphery of the lock cylinder sleeve 4 is also provided with a long groove 15, the long groove 15 is horizontally arranged, and one end of the long groove 15 is upwards connected with a vertical groove 16; in the unlocked state, the end of the pin 13 is located in the elongated slot 15; in the locked state, the end of the pin body 13 is located in the vertical slot 16.
Wherein in a vertical direction, a first end of the chute 14 is located above a second end; in the horizontal direction, the first end of the chute 14 is located to the right of the second end; the vertical groove 16 is connected to the left end of the long groove 15.
The lock further comprises a pair of first rolling pins 17, and the two first rolling pins 17 symmetrically penetrate through side parts positioned at the upper end of the lock shell 1 along the horizontal direction; the lock cylinder cover 3 is provided with a relief groove 18 corresponding to the first rolling pin 17, and the first rolling pin 17 stretches into the relief groove 18 to form a first rolling pin 17 limiting the rotation of the lock cylinder cover 3, and the lock cylinder cover 3 can only move up and down.
The lock further comprises a pair of second knurling pins 19, and the two second knurling pins 19 symmetrically penetrate through side parts positioned at the lower end of the lock shell 1 along the horizontal direction.
The lock core sleeve 4 is fixedly arranged on the inner wall of the lock shell 1 through the second rolling pin 19.
The lower end periphery of lock core 2 is equipped with an annular constant head tank 20, second round pin 19 inwards pass behind the lock core cover 4 stretch into in the annular constant head tank 20 constitutes through the spacing of second round pin 19, lock core 2 only does relative the rotation of lock shell 1.
Preferably, the lock cylinder 2 is further provided with a first dismounting hole 21 corresponding to the second rolling pin 19, and the first dismounting hole 21 is positioned in the annular positioning groove 20; a second dismounting hole 22 is also formed in the lock rod 5 corresponding to the second rolling pin 19; at least in the locked state, the second rolling pin 19, the first dismounting hole 21 and the second dismounting hole 22 are aligned and matched in the horizontal direction.
By this design, when the tightening lock needs to be disassembled for maintenance or replacement parts due to faults and the like, the second rolling pin 19 can be directly pressed into the lock rod 5 through the arrangement of the first disassembly holes 21 and the second disassembly holes 22, so that the second rolling pin 19 is completely immersed into the lock rod 5, and then the parts, such as the lock shell 1, the lock cylinder 2, the lock cylinder sleeve 4 and the lock rod 5, which are positioned directly or indirectly before being unlocked, are unlocked. The maintenance of the tensioning lock becomes possible, and meanwhile, the problem of high maintenance cost caused by direct integral replacement of the lock in the prior art when the lock fails is avoided.
Wherein, the lock further comprises a second spring 23, the second spring 23 is arranged in the lock cylinder 2 and acts between the lock cylinder 2 and the lock rod 5, so that the lock rod 5 keeps a downward displacement trend.
Preferably, a recess 24 is also provided downwardly in the first end of the chute 14, so that in the locked state, the end of the pin 13 is located in the recess 24 to maintain stability of the locked state.
The lock further comprises a sealing ring 25, a sawtooth washer 26 and a nut 27, which are sequentially sleeved on the lock shell 1 from top to bottom.
The nut 27 is used for assembling the tightening lock on the door plate 28, the sealing ring 25 is used for ensuring the tightness of the combination of the tightening lock and the door plate 28, and the sawtooth gasket 26 is used for ensuring the combination stability of the tightening lock and the door plate 28.
The working principle of the invention is now described as follows:
when locked: firstly, the key presses down the lock cylinder cover 3 to expose the action part 8 of the lock cylinder 2;
Then, the action part 8 of the lock cylinder 2 is acted by a key, so that the lock cylinder 2 rotates 90 degrees clockwise for the first time, the pin body 13 is driven to horizontally move to the left end of the long groove 15 of the lock cylinder sleeve 4, meanwhile, the lock rod 5 drives the lock tongue 6 to rotate 90 degrees clockwise to enter a locking position, and the pin body 13 is still positioned at the second end of the chute 14;
Finally, the lock cylinder 2 is operated to rotate 90 degrees clockwise for the second time, namely, the lock cylinder 2 is continuously rotated 180 degrees clockwise; at this time, the pin body 13 is driven to move upwards from the second end of the chute 14 to the first end of the chute 14, and simultaneously moves upwards from the left end of the long groove 15 to the upper end of the vertical groove 16, so that the lock rod 5 drives the lock tongue 6 to move upwards to realize tensioning;
when unlocking: firstly, the key presses down the lock cylinder cover 3 to expose the action part 8 of the lock cylinder 2;
Then, the key acts on the acting part 8 of the lock cylinder 2, so that the lock cylinder 2 rotates 90 degrees anticlockwise for the first time, the pin body 13 is downwards displaced from the first end of the chute 14 to the second end of the chute 14, and simultaneously is downwards displaced from the upper end of the vertical groove 16 to the left end of the long groove 15, at the moment, the lock rod 5 drives the lock tongue 6 to downwards displace to release tension, and the downward displacement trend is kept through the action of the second spring 23;
finally, the lock cylinder 2 is operated to rotate 90 degrees anticlockwise for the second time, so that the pin body 13 is driven to horizontally move to the right end of the long groove 15 of the lock cylinder sleeve 4, and meanwhile, the lock rod 5 drives the lock tongue 6 to rotate 90 degrees anticlockwise, so that unlocking is completed.
Compared with the prior art, the invention has ingenious design, convenient unlocking and locking operation, smooth operation process, powerful tensioning of the tensioning lock during locking and capability of ensuring the reliability and stability of the locking state of the tensioning lock.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (8)
1. A take taut lock of safeguard function, its characterized in that:
the lock comprises a lock shell, a lock cylinder cover, a lock cylinder sleeve, a lock rod and a lock tongue;
The lock cylinder is arranged in the lock shell in a penetrating manner in the up-down direction, and the lock cylinder and the lock shell are in sealing fit and only rotate relative to the lock shell through limit; the upper end of the lock cylinder is provided with an action part in an upward protruding way, and the lock cylinder cover is sleeved on the action part and positioned in a through hole at the upper end of the lock shell; the action part is also sleeved with a first spring which acts between the lock cylinder cover and the lock cylinder to enable the lock cylinder cover to keep a trend of upward displacement;
The upper end face of the lock shell, the upper surface of the lock cylinder cover and the upper end face of the acting part of the lock cylinder are all positioned on the same horizontal plane in the locking state and the unlocking state of the tightening lock;
the lock core is sleeved on the lock core and fixedly arranged on the inner wall of the lock shell;
The lock rod is arranged in the lock cylinder in a penetrating manner in the up-down direction, the lower part of the lock rod is fixedly connected with the lock tongue, and the lock tongue is horizontally arranged;
the lock rod is characterized by further comprising a pin body which horizontally penetrates through the lock rod, and the end part of the pin body extends outwards from the outer side of the lock rod;
The periphery of the lock cylinder is provided with a chute, and in the assembled state of the lock rod and the lock cylinder, the end part of the pin body stretches into the chute to drive the lock rod to move up and down through the cooperation of the pin body and the chute when the lock cylinder rotates; in the unlocked state, the end of the pin body is positioned at the second end of the chute; in the locked state, the end of the pin body is positioned at the first end of the chute;
The outer periphery of the lock cylinder sleeve is also provided with a long groove which is horizontally arranged, and one end of the long groove is upwards connected with a vertical groove; in the unlocking state, the end part of the pin body is positioned in the long groove; in the locked state, the end of the pin body is located in the vertical slot.
2. The tension lock with safety function according to claim 1, wherein: in the vertical direction, the first end of the chute is positioned above the second end; in the horizontal direction, the first end of the chute is positioned on the right side of the second end;
The vertical groove is connected with the left end of the long groove.
3. The tension lock with safety function according to claim 1, wherein: the lock also comprises a pair of first rolling pins, and the two first rolling pins symmetrically penetrate through side parts positioned at the upper end of the lock shell along the horizontal direction; the lock core cover is provided with a relief groove corresponding to the first knurling pin, the first knurling pin stretches into the relief groove to form a first knurling pin which limits the rotation of the lock core cover, and the lock core cover can only move up and down.
4. The tension lock with safety function according to claim 1, wherein: the lock also comprises a pair of second rolling pins, and the two second rolling pins symmetrically penetrate through side parts positioned at the lower end of the lock shell along the horizontal direction;
the lock cylinder sleeve is fixedly arranged on the inner wall of the lock shell through the second rolling pin;
The lower extreme periphery of lock core is equipped with an annular positioning groove, the second annular knurl round pin inwards passes after the lock core cover stretches into in the annular positioning groove, constitutes through the spacing of second annular knurl round pin, the lock core is only done relative the rotation of lock shell.
5. The tension lock with safety function according to claim 4, wherein: the lock cylinder is also provided with a first dismounting hole corresponding to the second rolling pin, and the first dismounting hole is positioned in the annular positioning groove;
a second dismounting hole is formed in the lock rod corresponding to the second rolling pin;
At least in a locking state, the second rolling pin, the first dismounting hole and the second dismounting hole are aligned and matched in the horizontal direction.
6. The tension lock with safety function according to claim 1, wherein: the lock further comprises a second spring which is arranged in the lock cylinder and acts between the lock cylinder and the lock rod, so that the lock rod keeps a downward displacement trend.
7. The tension lock with safety function according to claim 6, wherein: the first end of the chute is also provided with a concave part downwards, and the end part of the pin body is positioned in the concave part in the locking state so as to keep the locking state stable.
8. The tension lock with safety function according to claim 1, wherein: the lock also comprises a sealing ring, a sawtooth washer and a nut which are sleeved on the lock shell from top to bottom in sequence;
The nut is assembled on the door plate with the tensioning lock, the sealing ring guarantees the tightness of the combination of the tensioning lock and the door plate, and the sawtooth gasket guarantees the combination stability of the tensioning lock and the door plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110176738.3A CN112780111B (en) | 2021-02-09 | 2021-02-09 | Tensioning lock with safety function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110176738.3A CN112780111B (en) | 2021-02-09 | 2021-02-09 | Tensioning lock with safety function |
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| Publication Number | Publication Date |
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| CN112780111A CN112780111A (en) | 2021-05-11 |
| CN112780111B true CN112780111B (en) | 2024-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110176738.3A Active CN112780111B (en) | 2021-02-09 | 2021-02-09 | Tensioning lock with safety function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114961442B (en) * | 2022-04-27 | 2023-10-13 | 江西锐耐博科技有限公司 | Stainless steel tensioning lock with vibration-resistant structure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215056177U (en) * | 2021-02-09 | 2021-12-07 | 苏州德仕耐五金技术有限公司 | Tensioning lock with safety function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE2053775C3 (en) * | 1970-11-02 | 1974-02-14 | Daimler-Benz Ag, 7000 Stuttgart | Steering lock for automobiles |
| DE19944887A1 (en) * | 1999-09-18 | 2001-03-22 | Marc Bell | Lock for house or flat door; has closure catch arranged so that bolt has closure position in which it is permanently secured outside lock casing |
| CN2549104Y (en) * | 2002-06-16 | 2003-05-07 | 姚春良 | Door-lock with telescopic bolt |
| CN202031395U (en) * | 2011-03-21 | 2011-11-09 | 苏州德仕耐五金技术有限公司 | Improved revolution tensioning lock |
| CN209324175U (en) * | 2018-08-22 | 2019-08-30 | 长春市天盛铁路客车配件有限公司 | A kind of passenger train Strain lock |
| CN110616954A (en) * | 2019-10-17 | 2019-12-27 | 广州锦宏科技有限公司 | Adjustable door lock |
| CN211524436U (en) * | 2019-12-06 | 2020-09-18 | 广西电网有限责任公司崇左供电局 | Cylinder lock |
| CN211572945U (en) * | 2020-01-02 | 2020-09-25 | 泊头市全恒车辆配件有限公司 | Waterproof and dustproof rotary tensioning lock |
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2021
- 2021-02-09 CN CN202110176738.3A patent/CN112780111B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215056177U (en) * | 2021-02-09 | 2021-12-07 | 苏州德仕耐五金技术有限公司 | Tensioning lock with safety function |
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