CN210264270U - Rotary lock - Google Patents
Rotary lock Download PDFInfo
- Publication number
- CN210264270U CN210264270U CN201920784708.9U CN201920784708U CN210264270U CN 210264270 U CN210264270 U CN 210264270U CN 201920784708 U CN201920784708 U CN 201920784708U CN 210264270 U CN210264270 U CN 210264270U
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- switch
- sleeve
- handle
- rotating shaft
- pin
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Abstract
The utility model provides a twist lock relates to the field of lock. The rotary lock comprises a rotating shaft, a switch pin, a handle, a switch sleeve and a lock tongue; the rotating shaft is provided with a handle pin hole and a switch pin hole; the handle is movably connected with the rotating shaft through a handle pin; the switch sleeve is sleeved outside the rotating shaft and between the two pin holes, and the switch sleeve is movably connected with the rotating shaft; one end of the switch sleeve is provided with a switch notch which is used for matching with the switch pin; the lock tongue is arranged at one end of the rotating shaft, which is not connected with the handle, and is fixedly connected with the rotating shaft; one end of the handle is contacted with one end of the switch sleeve; the handle comprises a closing contact surface, an opening contact surface and a rotating hole, and the distance between the closing contact surface and the rotating hole is greater than the distance between the opening contact surface and the rotating hole; when the handle rotates and the contact surface is contacted with the switch sleeve, the switch pin is separated from the switch notch on the switch sleeve; when the handle rotates and the switch contact surface contacts with the switch sleeve, the switch pin falls into the switch notch on the switch sleeve. The twist lock has high safety.
Description
Technical Field
The utility model relates to a lock.
Background art:
the existing lockset can realize the opening or closing of the lockset through the rotation of a handle; when the tool to lock is in the closed condition, only need exert external force slightly, like the gravity of air flow or self handle, can make the handle rotate for the tool to lock is opened, and tool to lock factor of safety is lower.
The invention content is as follows:
in view of this, the utility model provides a twist lock, this twist lock has the high characteristics of security.
Specifically, the utility model discloses a realize through following technical scheme:
a rotary lock comprises a rotating shaft, a switch pin, a handle, a switch sleeve and a lock tongue; the rotating shaft is respectively provided with a handle pin hole and a switch pin hole, the handle pin hole is used for being matched with the handle pin, and the switch pin hole is used for being matched with the switch pin; the handle is movably connected with the rotating shaft through a handle pin; the switch sleeve is sleeved outside the rotating shaft and between the two pin holes, and the switch sleeve is movably connected with the rotating shaft; one end of the switch sleeve is provided with a switch notch which is used for matching with the switch pin; the lock tongue is arranged at one end of the rotating shaft, which is not connected with the handle, and the lock tongue is fixedly connected with the rotating shaft;
one end of the handle is contacted with one end of the switch sleeve; the handle comprises a closing contact surface, an opening contact surface and a rotating hole, the rotating hole is matched with the handle pin, and the distance between the closing contact surface and the rotating hole is greater than that between the opening contact surface and the rotating hole; when the handle rotates, the switch contact surface is contacted with the switch sleeve, and the switch pin is separated from the switch notch on the switch sleeve; when the handle rotates, the switch contact surface contacts with the switch sleeve, and the switch pin falls into the switch notch on the switch sleeve.
Furthermore, the surface of one end of the switch sleeve, which is far away from the handle, is provided with an external thread for matching with a nut; the outer side of the other end of the switch sleeve is sleeved with a base which is fixedly connected with the switch sleeve; the nut and the base are used for fixing the rotary lock on the door panel.
Further, a cavity is formed between the switch sleeve and the rotating shaft; a spring is sleeved on the rotating shaft in the cavity; one end of the spring is contacted with one end of the cavity in the switch sleeve; a shaft sleeve is fixedly arranged on the rotating shaft, is positioned between the two pin holes and does not block the relative movement of the switch sleeve and the rotating shaft; the other end of the spring is contacted with one end of the shaft sleeve.
Furthermore, one end of the shaft sleeve is provided with a shaft sleeve notch for matching with the switch pin.
To sum up, the utility model discloses beneficial effect lies in: the rotary lock divides the unlocking action into two different motion modes through the arrangement of the switch sleeve and the switch pin, and the switch pin on the rotating shaft can rotate the rotating shaft only by separating from the switch sleeve, so that the rotating shaft can not rotate due to external force such as air flow or the gravity of a handle of the rotary lock in a locking state, and the locking safety of the lock is improved.
Description of the drawings:
FIG. 1 is an exploded view of the structure of the preferred embodiment of the present invention;
FIG. 2 is a schematic view of the locking state of the preferred embodiment of the present invention;
FIG. 3 is a schematic view of the open state of the preferred embodiment of the present invention;
FIG. 4 is a cross-sectional view of the preferred embodiment of the present invention in a locked state;
fig. 5 is a sectional view showing an opened state of the preferred embodiment of the present invention.
Wherein the figures are labeled: 1. a rotating shaft; 11. a handle pin hole; 12. a switch pin hole; 13. a handle pin; 14. a switch pin; 2. a switch cover; 21. a switch gap; 22. a cavity; 3. a base; 4. a shaft sleeve; 41. a notch of the shaft sleeve; 5. a spring; 6. a nut; 7. a handle; 71. closing the contact surface; 72. opening a contact surface; 73. hole turning; 8. a latch bolt; 9. and (7) a gasket.
The specific implementation mode is as follows:
the present invention will be further described with reference to the accompanying drawings and the following detailed description.
The cam lock shown in fig. 1, 2 and 3 comprises a rotating shaft 1, a handle 7, a bolt 8, a switch sleeve 2, a base 3, a shaft sleeve 4, a switch pin 14, a handle pin 13, a spring 5 and a nut 6.
The outer surface of the rotating shaft 1 is provided with external threads, and the rotating shaft 1 is provided with two pin holes respectively; one pin hole is a handle pin hole 11 and is used for matching with a handle pin 13; the other pin hole is a switch pin hole 12 for mating with a switch pin 14.
The switch sleeve 2 is sleeved outside the rotating shaft 1, and the switch sleeve 2 can move relative to the rotating shaft 1, such as axially moving or rotating around a shaft.
The outer surface of the switch sleeve 2 is provided with external threads for connecting the base 3; one end of the switch sleeve 2 is provided with a switch notch 21 which is used for matching with the switch pin 14; when the switch pin 14 matched with the switch pin hole 12 falls into the switch notch 21 on the switch sleeve 2, the rotating shaft 1 cannot rotate relative to the switch sleeve 2; when the switch pin 14 matched with the switch pin hole 12 is separated from the switch notch 21 on the switch sleeve 2, the rotating shaft 1 can rotate relative to the switch sleeve 2.
After the switch sleeve 2 is sleeved on the rotating shaft 1, a cavity 22 is formed between the switch sleeve 2 and the rotating shaft 1; the cavity 22 is further provided with a spring 5, the spring 5 is sleeved on the rotating shaft 1 and can move relative to the rotating shaft 1, one end of the spring 5 is in contact with one end of the cavity 22 in the switch sleeve 2, and the other end of the spring is in contact with one end of the shaft sleeve 4.
In order to strengthen the connection between the spring 5 and the switch housing 2, a washer 9 is arranged in the cavity 22 between the spring 5 and the switch housing 2.
The shaft sleeve 4 is sleeved on the rotating shaft 1, internal threads are arranged inside the shaft sleeve 4, the shaft sleeve 4 is connected with the rotating shaft 1 through the internal threads of the shaft sleeve 4 and the external threads of the rotating shaft 1, and relative motion does not occur between the shaft sleeve 4 and the rotating shaft 1.
One end of the shaft sleeve 4 is provided with a shaft sleeve notch 41 for matching with the switch pin 14, so that when the shaft sleeve 4 is sleeved on the rotating shaft 1, the shaft sleeve notch 41 is just corresponding to the switch pin hole 12 of the rotating shaft 1.
The outside cover of switch cover 2 is equipped with base 3, and base 3 is connected with the external screw thread of switch cover 2 through the internal thread of base 3 between the two with switch cover 2, does not take place relative motion between the two.
The outside of switch cover 2 still is equipped with nut 6, and nut 6 is inside to be provided with the internal thread, and nut 6 is connected with switch cover 2's external screw thread through the internal thread of nut 6 between the two, does not take place relative motion between the two with switch cover 2.
The door plate is arranged between the base 3 and the nut 6, and the rotary lock is fixed with the door plate by the nut 6; the nut 6, the door plate and the base 3 are in close contact with each other; therefore, in the process of using the rotary lock, the base 3 and the door panel do not displace, and the rotary lock is opened and closed through the movement of the rotating shaft 1.
The switch pin 14 is inserted into the switch pin hole 12 on the rotating shaft 1 to realize the connection between the two, and simultaneously, the switch pin 14 falls into the notch on the shaft sleeve 4 to be matched with the notch.
One end of the rotating shaft 1 is provided with a handle 7, the rotating shaft 1 is connected with the handle 7 through a handle pin 13, and the handle 7 rotates relative to the rotating shaft 1.
Explained further, the handle pin 13 passes through the handle pin hole 11 on the rotating shaft 1 and the rotating hole 73 on the handle 7, so that the connection between the rotating shaft 1 and the handle 7 is realized. The handle 7 is rotated about a handle pin 13.
The handle 7 comprises a closing contact surface 71, an opening contact surface 72 and a rotating hole 73, wherein the distance between the closing contact surface 71 and the rotating hole 73 is larger than the distance between the opening contact surface 72 and the rotating hole 73.
The handle 7 is contacted with the base 3, and the working states of the twist lock are different when the handle 7 is contacted with different surfaces of the base 3; when the rotary lock is unlocked, the unlocking contact surface 72 is contacted with the base 3; when the twist lock is locked, the closing contact surface 71 is in contact with the base 3.
The other end of the rotating shaft 1 is provided with a lock tongue 8, and when the lock tongue 8 is contacted with the doorframe, the rotary lock is in a locked state; the bolt 8 is connected with the rotating shaft 1, and the bolt 8 moves along with the movement of the rotating shaft 1.
The working principle of the twist lock is as follows:
as shown in fig. 4, the base 3 is fixed on the door panel, when the rotary lock is in a locked state, the closing contact surface 71 of the handle 7 contacts with the base 3, so that the distance between the base 3 and the handle pin hole 11 on the rotating shaft 1 is increased, the rotating shaft 1 moves towards the handle 7, the spring 5 is compressed and shortened, the switch pin 14 arranged on the rotating shaft 1 falls into the switch notch 21 on the switch sleeve 2, the rotating shaft 1 cannot rotate around the shaft, and the bolt 8 is always in contact with the door frame.
As shown in fig. 5, the base 3 is fixed on the door panel, when the rotary lock is in an open state, the open contact surface 72 of the handle 7 contacts with the base 3, so that the distance between the base 3 and the handle pin hole 11 on the rotating shaft 1 is reduced, the rotating shaft 1 moves towards the direction of the bolt 8, the spring 5 is lengthened, the switch pin 14 arranged on the rotating shaft 1 is separated from the switch notch 21 on the switch sleeve 2, and the rotating shaft 1 can move around the shaft; the rotating shaft 1 is rotated, so that the bolt 8 on the rotating shaft 1 is separated from the door frame after rotating to a certain angle.
Above is the utility model discloses preferred embodiment the utility model discloses make a plurality of other simple replacements and changes under the design prerequisite, all should regard as belonging to the utility model discloses a protection category.
Claims (4)
1. A twist-lock, characterized by: comprises a rotating shaft, a switch pin, a handle, a switch sleeve and a lock tongue; the rotating shaft is respectively provided with a handle pin hole and a switch pin hole, the handle pin hole is used for being matched with the handle pin, and the switch pin hole is used for being matched with the switch pin; the handle is movably connected with the rotating shaft through a handle pin; the switch sleeve is sleeved outside the rotating shaft and between the two pin holes, and the switch sleeve is movably connected with the rotating shaft; one end of the switch sleeve is provided with a switch notch which is used for matching with the switch pin; the lock tongue is arranged at one end of the rotating shaft, which is not connected with the handle, and the lock tongue is fixedly connected with the rotating shaft;
one end of the handle is contacted with one end of the switch sleeve; the handle comprises a contact closing surface, a contact opening surface and a rotating hole; the rotating hole is matched with the handle pin, and the distance between the closing contact surface and the rotating hole is greater than the distance between the opening contact surface and the rotating hole; when the handle rotates, the switch contact surface is contacted with the switch sleeve, and the switch pin is separated from the switch notch on the switch sleeve; when the handle rotates, the switch contact surface contacts with the switch sleeve, and the switch pin falls into the switch notch on the switch sleeve.
2. A twist lock according to claim 1, wherein: the surface of one end of the switch sleeve, which is far away from the handle, is provided with an external thread for matching with the nut; the outer side of the other end of the switch sleeve is sleeved with a base which is fixedly connected with the switch sleeve; the nut and the base are used for fixing the rotary lock on the door panel.
3. A twist lock according to claim 1 or 2, characterized in that: a cavity is formed between the switch sleeve and the rotating shaft; a spring is sleeved on the rotating shaft in the cavity; one end of the spring is contacted with one end of the cavity in the switch sleeve; a shaft sleeve is fixedly arranged on the rotating shaft, is positioned between the two pin holes and does not block the relative movement of the switch sleeve and the rotating shaft; the other end of the spring is contacted with one end of the shaft sleeve.
4. A twist lock according to claim 3, wherein: one end of the shaft sleeve is provided with a shaft sleeve notch for matching with the switch pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920784708.9U CN210264270U (en) | 2019-05-28 | 2019-05-28 | Rotary lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920784708.9U CN210264270U (en) | 2019-05-28 | 2019-05-28 | Rotary lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210264270U true CN210264270U (en) | 2020-04-07 |
Family
ID=70039056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920784708.9U Active CN210264270U (en) | 2019-05-28 | 2019-05-28 | Rotary lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210264270U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252830A (en) * | 2020-10-30 | 2021-01-22 | 上海市地质勘查技术研究院 | Connect stable fender device that encloses |
| CN112617376A (en) * | 2020-12-31 | 2021-04-09 | 江铃汽车股份有限公司 | Office mobile phone storage and transmission system |
-
2019
- 2019-05-28 CN CN201920784708.9U patent/CN210264270U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252830A (en) * | 2020-10-30 | 2021-01-22 | 上海市地质勘查技术研究院 | Connect stable fender device that encloses |
| CN112617376A (en) * | 2020-12-31 | 2021-04-09 | 江铃汽车股份有限公司 | Office mobile phone storage and transmission system |
| CN112617376B (en) * | 2020-12-31 | 2023-09-29 | 江铃汽车股份有限公司 | Office mobile phone storage and transmission system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 312000 1st floor, plant 1, No. 89, Zhecun Road, Pukou Street District, Shengzhou City, Shaoxing City, Zhejiang Province Patentee after: SKK intelligent hardware (Shaoxing) Co.,Ltd. Address before: 312000 No. 85, dada Road, Shengzhou Economic Development Zone, Shaoxing City, Zhejiang Province Patentee before: SHAOXING THCOO LOCK MANUFACTURE Co.,Ltd. |
|
| CP03 | Change of name, title or address |