CN212249531U - Lock with a locking mechanism - Google Patents
Lock with a locking mechanism Download PDFInfo
- Publication number
- CN212249531U CN212249531U CN202021909696.7U CN202021909696U CN212249531U CN 212249531 U CN212249531 U CN 212249531U CN 202021909696 U CN202021909696 U CN 202021909696U CN 212249531 U CN212249531 U CN 212249531U
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- square shaft
- lock body
- transmission
- front panel
- lock
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Abstract
The utility model relates to a lock. It includes the lock body, is located the front panel in the lock body outside, and the front panel is equipped with the lock core, and the lock body is equipped with and rotates core and transmission square shaft, rotates the core and is equipped with the square shaft hole, and transmission square shaft assigns into in the square shaft hole, and the lock body surface is established in the front panel to the outer end of transmission square shaft stretches out to be connected with the internal structure transmission of unblanking of front panel, and the structure of unblanking is connected with the lock core transmission, transmission square shaft axial and front panel fixed connection to dial transmission square shaft from the lock body when making the front panel leave the lock body. The utility model discloses a being connected transmission square shaft and front panel at axial fixity, the front panel is dialled from the lock body by prizing back transmission square shaft like this, and the square shaft hole of the transmission square shaft of lock body is sealed by the elasticity door immediately, makes the person of law violation unable through instrument insertion square shaft hole, has improved the security performance of lock body, the utility model discloses structural design is simple reasonable, and is little to the transformation of current lock body structure.
Description
Technical Field
The utility model relates to a lock.
Background
The existing lock comprises a lock body, a front panel and a rear panel, wherein the front panel is arranged on the outer side of the lock body, the rear panel is arranged on the inner side of the lock body, a lock cylinder is arranged on the front panel, a proper key is inserted to drive the lock cylinder to rotate, the lock cylinder rotates to drive an unlocking structure to rotate, the unlocking structure rotates to drive a transmission square shaft to rotate, and the transmission square shaft rotates to drive the rotation cylinder to rotate to realize unlocking. At present, a password door or other protection devices are arranged at a key insertion opening of the lock cylinder, and an illegal person wants to unlock the lock cylinder from the lock cylinder insertion opening with difficulty, so that the illegal person begins to pry off a front panel and directly opens a rotating cylinder through a transmission square shaft to achieve the aim of illegal entry. Although there is also transmission square shaft at present when sled front panel, transmission square shaft leaves the lock body along with the front panel, but the square shaft hole of transmission square shaft still is open, and the illegal person can rotate the rotation core through the instrument like.
Disclosure of Invention
Therefore, an object of the utility model is to provide a lock that security performance is higher.
The purpose of the utility model is realized like this.
A lock comprises a lock body and a front panel positioned outside the lock body, wherein the front panel is provided with a lock cylinder, the lock body is provided with a rotating core and a transmission square shaft, the rotating core is provided with a square shaft hole, the transmission square shaft is inserted into the square shaft hole, the outer end of the transmission square shaft extends out of the surface of the lock body and is arranged in the front panel and is in transmission connection with an unlocking structure in the front panel, the unlocking structure is in transmission connection with the lock cylinder, and the transmission square shaft is axially and fixedly connected with the front panel so as to pull the transmission square shaft out of the lock body when the front panel leaves the lock body; the lock body is internally provided with an elastic door, when the transmission square shaft is inserted into the lock body, the elastic door is abutted against the transmission square shaft, and when the transmission square shaft is pulled out of the lock body, the elastic door automatically seals the square shaft hole in which the transmission square shaft is inserted under the action of the reset spring.
The above technical solution can be further described in detail below.
The rotating core is arranged in a support, a through hole for the transmission square shaft to pass through is arranged on the support corresponding to the square shaft hole, the support is provided with a guide groove, the elastic door is arranged in the guide groove, and the reset spring is arranged between the elastic door and the support.
The elastic door is provided with a pulling block, the outer end of the pulling block extends out of the back face of the lock body, and the pulling block can enable the elastic door to reset and open the square shaft hole of the transmission square shaft so that the transmission square shaft can be inserted into the lock body.
The utility model discloses a being connected transmission square shaft and front panel at axial fixity, the front panel is dialled from the lock body by prizing back transmission square shaft like this, and the square shaft hole of the transmission square shaft of lock body is sealed by the elasticity door immediately, makes the person of law violation unable through instrument insertion square shaft hole, has improved the security performance of lock body, the utility model discloses structural design is simple reasonable, and is little to the transformation of current lock body structure.
Drawings
Fig. 1 is an axial sectional view along a driving square axis, and shows a partial structural schematic view of a front panel and a lock body.
Fig. 2 is an axial sectional view along the transmission square shaft, and shows a structural schematic diagram of the lock body.
Fig. 3 is a schematic structural view of the transmission square shaft of fig. 2 after being pulled out of the lock body.
Fig. 4 is a perspective view of the lock body with the transmission square shaft remaining.
FIG. 5 is an orthographic view of a square shaft hole of a square transmission shaft.
FIG. 6 is an orthographic projection of the elastic door covering the square shaft hole of the transmission square shaft.
Fig. 7 is a schematic view of the structure of the rotary core.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
The embodiment, combine the figure, a lock, including lock body 1, be located the front panel 2 of lock body outside, front panel 2 is equipped with lock core 3 and the structure of unblanking 4, and the lock core is connected with the structure transmission of unblanking.
The lock body 1 is equipped with and rotates core 5 and transmission square shaft 6, rotates the core and is equipped with square shaft hole 8, and transmission square shaft 6 assigns and realizes the transmission in square shaft hole 8 and connects, and the outer end of transmission square shaft 6 stretches out lock body 1 surface and establishes in front panel 2 to be connected with the internal 4 transmission of unblanking of front panel. The structure of lock core, unlocking structure, transmission square shaft, rotation core and the transmission connection relation between them are all prior art, and are not described repeatedly.
The transmission square shaft 6 is axially and fixedly connected with the front panel 2, so that the transmission square shaft is pulled out of the lock body when the front panel leaves the lock body. The rotating core 5 is installed in a support 10, a through hole 11 enabling a transmission square shaft to penetrate through is formed in a corresponding square shaft hole 8 in the support 10, a guide groove 12 is formed in one side of the support 10, an elastic door 7 is installed in the guide groove 12, a reset spring 13 is arranged between the elastic door and the support, when the transmission square shaft 6 is inserted into a lock body, the elastic door 7 abuts against the transmission square shaft 6, and when the transmission square shaft 6 is pulled away from the lock body 1, the elastic door automatically seals the square shaft hole 8 where the transmission square shaft 6 is inserted under the action of the reset spring 13. The elastic door is provided with a pulling block 9, the pulling block 9 is connected with the elastic door 7, one end of the pulling block extends out of the back face of the lock body, and the pulling block can enable the elastic door to reset and open the square shaft hole of the transmission square shaft so that the transmission square shaft can be inserted into the lock body.
Claims (3)
1. The utility model provides a lock, includes the lock body, is located the front panel in the lock body outside, and the front panel is equipped with the lock core, and the lock body is equipped with and rotates core and transmission square shaft, rotates the core and is equipped with the square shaft hole, and transmission square shaft assigns into in the square shaft hole, and the lock body surface is established in the front panel to the outer end of transmission square shaft stretches out the lock body surface to be connected with the internal structure transmission of unblanking of front panel, the structure of unblanking is connected its characterized in that with the lock core: the transmission square shaft is axially and fixedly connected with the front panel, so that the transmission square shaft is pulled out of the lock body when the front panel leaves the lock body;
the lock body is internally provided with an elastic door, when the transmission square shaft is inserted into the lock body, the elastic door is abutted against the transmission square shaft, and when the transmission square shaft is pulled out of the lock body, the elastic door automatically seals the square shaft hole in which the transmission square shaft is inserted under the action of the reset spring.
2. The lock of claim 1, wherein: the rotating core is arranged in a support, a through hole for the transmission square shaft to pass through is arranged on the support corresponding to the square shaft hole, the support is provided with a guide groove, the elastic door is arranged in the guide groove, and the reset spring is arranged between the elastic door and the support.
3. The lock of claim 2, wherein: the elastic door is provided with a pulling block, the outer end of the pulling block extends out of the back face of the lock body, and the pulling block can enable the elastic door to reset and open the square shaft hole of the transmission square shaft so that the transmission square shaft can be inserted into the lock body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021909696.7U CN212249531U (en) | 2020-09-04 | 2020-09-04 | Lock with a locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021909696.7U CN212249531U (en) | 2020-09-04 | 2020-09-04 | Lock with a locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212249531U true CN212249531U (en) | 2020-12-29 |
Family
ID=73981865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021909696.7U Active CN212249531U (en) | 2020-09-04 | 2020-09-04 | Lock with a locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212249531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997438A (en) * | 2020-09-04 | 2020-11-27 | 广东必达保安系统有限公司 | Lock with a locking mechanism |
-
2020
- 2020-09-04 CN CN202021909696.7U patent/CN212249531U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997438A (en) * | 2020-09-04 | 2020-11-27 | 广东必达保安系统有限公司 | Lock with a locking mechanism |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |