CN209509712U - A kind of door lock - Google Patents
A kind of door lock Download PDFInfo
- Publication number
- CN209509712U CN209509712U CN201821787439.3U CN201821787439U CN209509712U CN 209509712 U CN209509712 U CN 209509712U CN 201821787439 U CN201821787439 U CN 201821787439U CN 209509712 U CN209509712 U CN 209509712U
- Authority
- CN
- China
- Prior art keywords
- dustproof cover
- lock housing
- lock
- door
- sliding 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.)
- Expired - Fee Related
Links
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- Lock And Its Accessories (AREA)
Abstract
The utility model discloses a kind of door locks, including the lock housing being arranged on door-plate and the lock core being arranged in door-plate, lock housing lid is provided in lock housing, feature is that first sliding groove is offered in lock housing, keyhole corresponding with the lockhole of lock core is offered on the inner wall of first sliding groove, the dustproof cover being slidably matched with it is provided in first sliding groove, lock housing, which covers, offers opening compatible with dustproof cover, and top is equipped with reset spring between dustproof cover and the inner wall of first sliding groove；Advantage is that dustproof cover is provided in lock housing, and when usually opening the door without using key, dustproof cover is in closed state; it can effectively prevent dust from entering lock core, preferably protect key lock, need to only press the i.e. openable dustproof cover of dustproof cover slide downward; structure is simple, easy to operate.
Description
Technical field
The utility model relates to a kind of door locks.
Background technique
Safe-guard door lock is more more and more universal, and existing many safe-guard door locks are all made of the unlockings mode such as password or fingerprint, together
When also retain the unlocking mode of key with prevent coded lock or Fingerprint Lock occur can not working condition, therefore key lock often in
Without using state, the exposed dust that has outside of lockhole now lacks the dust-proof of a kind of pair of key lockhole into will lead to and can not open the door
Protect structure.
Summary of the invention
It is easy to operate the technical problem to be solved by the utility model is to provide a kind of structure is simple, it can effective protection key
The door lock of spoon lockhole.
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of door lock, including be arranged in door-plate
On lock housing and the lock core that is arranged in door-plate, be provided with lock housing lid in the lock housing, offer first in the lock housing
Sliding slot, offers keyhole corresponding with the lockhole of the lock core on the inner wall of the first sliding groove, and described first
The dustproof cover being slidably matched with it is provided in sliding slot, the lock housing, which covers, offers open compatible with the dustproof cover
Mouthful, top is equipped with reset spring between the dustproof cover and the inner wall of the first sliding groove.
The further preferred scheme of the utility model are as follows: shape size and institute are provided on the upper surface of the dustproof cover
The identical retention bead of the opening stated, the width of the dustproof cover are greater than the width of the opening.
The further preferred scheme of the utility model are as follows: when dustproof cover in the closure state, the dust-proof caping is set
On the inner wall of the lock housing lid, the retention bead is located in the opening, when dustproof cover in the open state,
The limit convex top lifting is located on the inner wall of the lock housing lid.
The further preferred scheme of the utility model are as follows: spring mounting groove is offered on the inner wall of the first sliding groove,
The first end top of the reset spring is located in the spring mounting groove, offers second sliding slot on the dustproof cover,
The second end top of the reset spring is located in the second sliding slot and is slidably matched with it.
Compared with prior art, the utility model has the advantage of dustproof cover is provided in lock housing, key is not used usually
When spoon opens the door, dustproof cover is in closed state, can effectively prevent dust from entering lock core, preferably protect key lock, need to only press
Dustproof cover slide downward, that is, openable dustproof cover is pressed, structure is simple, easy to operate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the explosive view of Fig. 1；
Fig. 3 is partial structure sectional view of the utility model in the case where dustproof cover is closed；
Fig. 4 is partial structure sectional view of the utility model in the case where dustproof cover is opened；
Fig. 5 is the partial enlarged view in Fig. 2 at A；
Fig. 6 is the structural schematic diagram of dustproof cover in the utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
As shown, a kind of door lock, including the lock housing 2 being arranged on door-plate 1 and the lock core 3 being arranged in door-plate 1, lock housing
It is provided with lock housing lid 21 on 2, first sliding groove 22 is offered in lock housing 2, the lock with lock core 3 is offered on the inner wall of first sliding groove 22
The corresponding keyhole 221 in hole is provided with the dustproof cover 23 being slidably matched with it in first sliding groove 22, offers on lock housing lid 21
Opening 211 compatible with dustproof cover 23, top is equipped with reset spring 4 between dustproof cover 23 and the inner wall of first sliding groove 22, dust-proof
Shape size and 211 identical retention beads 231 of opening are provided on the upper surface of lid 23, the width of dustproof cover 23 is greater than opening
211 width, when dustproof cover in the closure state, dustproof cover 23 top be located on the inner wall of lock housing lid 21, retention bead 231
In opening 211 in, when dustproof cover in the open state, retention bead 231 top be located on the inner wall of lock housing lid 21, first sliding groove
Spring mounting groove 222 is offered on 22 inner wall, the first end top of reset spring 4 is located in spring mounting groove 222, dustproof cover 23
On offer second sliding slot 232, the second end top of reset spring 4 is located in second sliding slot 232 and is slidably matched with it.
A kind of door lock provided by the utility model is described in detail above, specific case pair used herein
The principles of the present invention and embodiment are expounded, and the above embodiments are only used to help understand, and this is practical new
Type and core concept.It should be pointed out that for those skilled in the art, not departing from the utility model principle
Under the premise of, several improvements and modifications can be made to this utility model, these improvement and modification also fall into the utility model
In scope of protection of the claims.
Claims (4)
1. a kind of door lock is provided in the lock housing including the lock housing being arranged on door-plate and the lock core being arranged in door-plate
Lock housing lid, it is characterised in that: offer first sliding groove in the lock housing, offered on the inner wall of the first sliding groove and institute
The lockhole for the lock core stated corresponding keyhole is provided with the dustproof cover being slidably matched with it in the first sliding groove, described
Lock housing cover and offer opening compatible with the dustproof cover, the inner wall of the dustproof cover and the first sliding groove
Between top be equipped with reset spring.
2. a kind of door lock according to claim 1, it is characterised in that: be provided with shape on the upper surface of the dustproof cover
Size retention bead identical with the opening, the width of the dustproof cover are greater than the width of the opening.
3. a kind of door lock according to claim 2, it is characterised in that: when dustproof cover in the closure state, it is described anti-
Dirt caping is located on the inner wall of the lock housing lid, and the retention bead is located in the opening, is beaten when dustproof cover is in
When open state, the limit convex top lifting is located on the inner wall of the lock housing lid.
4. a kind of door lock according to claim 1, it is characterised in that: offer spring on the inner wall of the first sliding groove
Mounting groove, the first end top of the reset spring are located in the spring mounting groove, and the is offered on the dustproof cover
Two sliding slots, the second end top of the reset spring are located in the second sliding slot and are slidably matched with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821787439.3U CN209509712U (en) | 2018-10-31 | 2018-10-31 | A kind of door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821787439.3U CN209509712U (en) | 2018-10-31 | 2018-10-31 | A kind of door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209509712U true CN209509712U (en) | 2019-10-18 |
Family
ID=68191569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821787439.3U Expired - Fee Related CN209509712U (en) | 2018-10-31 | 2018-10-31 | A kind of door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209509712U (en) |
-
2018
- 2018-10-31 CN CN201821787439.3U patent/CN209509712U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191018 Termination date: 20201031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |