CN218454641U - Safety door bolt with self-locking and safety function - Google Patents
Safety door bolt with self-locking and safety function Download PDFInfo
- Publication number
- CN218454641U CN218454641U CN202221743464.8U CN202221743464U CN218454641U CN 218454641 U CN218454641 U CN 218454641U CN 202221743464 U CN202221743464 U CN 202221743464U CN 218454641 U CN218454641 U CN 218454641U
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- pin hole
- door
- close
- cover body
- pin
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Abstract
The utility model relates to the field of door locks, in particular to a safety door latch with self-locking and safety functions, wherein one side of a base, which is close to a cover body, is provided with a chute, a door latch which can axially slide along a groove body is arranged in the chute, and a second spring is arranged between one side of the door latch, which is close to the center of a door panel, and the inner wall of the chute; a first pin hole is vertically formed in the middle of the top of the sliding groove, a second pin hole coaxial with the first pin hole is formed in the cover body, a pin rod is arranged in the first pin hole, a semicircular clamping groove is formed in the side, close to the cover body, of the pin rod, and a first spring is sleeved outside the rod body at the end, penetrating through the second pin hole, of the pin rod; the first circular groove and the second circular groove which are matched with the pin rod are arranged on one side, close to the first pin hole, of the bolt, so that the door can be quickly reversely locked, the bolt device can only be opened from the inside, and cannot be opened from the outside, and the bolt device is very safe and reliable; the door bolt device has the advantages of simple structure, convenience in installation and use, high safety, easiness in processing and production and good market prospect.
Description
Technical Field
The utility model relates to a lock field, concretely relates to safety door latch with auto-lock and safeguard function.
Background
When a person stays in a hotel, the person working in the hotel is not required to open the door by taking a key at any time in order to have a better rest and a certain sense of safety, so that the bolt inserted from the bar door in a room is designed.
Some gates or room doors, in order to prevent people from opening the door from the outside by using tools such as thin objects, the door is designed to be inserted with the bolt and then the door cannot be opened from the outside, and after the safety function is used, people who are not clear of the structure cannot open the door from the inside of the door, so that the effect of preventing children from opening the door by mistake can be achieved.
In an emergency situation, considering that some people, especially single women, insert the door lock after entering the door first, the door lock is designed to be automatically inserted by pressing the button after entering the door.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the defect of above-mentioned technique, provide a safety door latch with auto-lock and safeguard function.
In order to solve the technical problems, the technical scheme provided by the utility model is a safety latch with self-locking and safety functions, which comprises a base and a cover body, wherein a chute is arranged on one side of the base close to the cover body, a latch capable of axially sliding along a chute body is arranged in the chute, and a second spring is arranged between one side of the latch close to the center of a door plate and the inner wall of the chute;
a first pin hole is vertically formed in the middle of the top of the sliding groove, a second pin hole coaxial with the first pin hole is formed in the cover body, a pin rod is arranged in the first pin hole, a semicircular clamping groove is formed in the side, close to the cover body, of the pin rod, and a first spring is sleeved outside the rod body at the end, penetrating through the second pin hole, of the pin rod;
the bolt is close to first pinhole one side and is equipped with first circular slot and the second circular slot that uses with the pin pole cooperation, the bolt is close to lid one side and is equipped with the handle, the handle other end stretches out from lid bar inslot.
As an improvement, the base and the cover body are fixedly connected through screws.
As an improvement, the pin rod is arranged at one end of the first spring and is provided with a blocking piece.
Compared with the prior art, the utility model the advantage lie in:
1. the door lock is mainly applied to room doors, gates, toilet doors, cabin doors and the like, and can realize remote control and automatic door lock opening and closing functions if being matched with other electrical control devices;
2. simple structure, reliable and firm action, convenient manufacture and good anti-theft performance.
Drawings
FIG. 1 is a schematic view of the external structure of a door latch;
FIG. 2 is a schematic view of the internal structure of the door latch;
FIG. 3 is a schematic illustration of a door bolt squib configuration;
FIG. 4 is a front view of the bolt;
FIG. 5 isbase:Sub>A schematic cross-sectional view of the bolt A-A;
fig. 6 is a structural view showing a state in which the door bolt is mounted.
FIGS. 1-6 show: 1. the base, 101, spout, 102, first pinhole, 2, lid, 201, bar groove, 202, second pinhole, 3, bolt, 301, first circular slot, 302, second circular slot, 303, handle, 4, pin pole, 401, draw-in groove, 402, separation blade, 5, first spring, 6, second spring, 7, screw, 8, door plant, 9, door frame.
Detailed Description
The following will explain in detail a safety door latch with self-locking and safety functions according to the present invention with reference to the accompanying drawings.
With reference to fig. 1-6, a safety door latch with self-locking and safety functions comprises a base 1 and a cover 2, wherein a sliding groove 101 is formed in one side of the base 1 close to the cover 2, a door latch 3 capable of axially sliding along a groove body is arranged in the sliding groove 101, and a second spring 6 is arranged between one side of the door latch 3 close to the center of a door panel 8 and the inner wall of the sliding groove 101;
a first pin hole 102 is vertically formed in the middle of the top of the sliding groove 101, a second pin hole 202 coaxial with the first pin hole 102 is formed in the cover body 2, a pin rod 4 is arranged in the first pin hole 102, a semicircular clamping groove 401 is formed in the rod body on one side, close to the cover body 2, of the pin rod 4, and a first spring 5 is sleeved outside the rod body at one end, penetrating through the second pin hole 202, of the pin rod 4;
a first circular groove 301 and a second circular groove 302 which are matched with the pin rod 4 are arranged on one side, close to the first pin hole 102, of the bolt 3, a handle 303 is arranged on one side, close to the cover body 2, of the bolt 3, and the other end of the handle 303 extends out of the strip-shaped groove 201 of the cover body 2.
As a preferred embodiment of the present embodiment, the base 1 and the cover 2 are fixedly connected by screws 7.
As a preferred embodiment of the present embodiment, the pin rod 4 is disposed at one end of the first spring 5 and is provided with a stop piece 402.
The utility model discloses when specifically implementing, when opening the door, separation blade 402 is pressed to one hand, pin 4 moves to door plant one side, and the bolt 3 plate body is located draw-in groove 401 notch inside this moment, and the other hand promotes handle 303 and moves towards second spring 6 one side simultaneously, and release pin 4 when first circular slot 301 coincides with draw-in groove 401, and bolt 3 withdraws to inside spout 101 and fixes, rotates pin 180 with the hand, and draw-in groove 401 turns to and keeps away from spout one side, and the keeper is in the lock dead state this moment, presses separation blade 402 bolt 3 and can't pop out; when closing the door, rotate pin rod 180 with the hand, draw-in groove 401 turns to and is close to spout one side, press separation blade 402, and bolt 3 moves to draw-in groove 401 and second circular slot 302 coincidence position to door frame 9 one side under the effect of second spring 6, loosens separation blade 402, and pin rod 4 pops out outwards, and the second circular slot 302 is blocked to the 4 body of rod of pin rod, rotates pin rod 180 with the hand, and draw-in groove 401 turns to and keeps away from spout one side, and the keeper is in the lock dead state this moment.
The present invention and its embodiments have been described above, but the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (3)
1. The utility model provides a safety door bolt with auto-lock and protect function which characterized in that: the door lock comprises a base (1) and a cover body (2), wherein a sliding groove (101) is formed in one side, close to the cover body (2), of the base (1), a bolt (3) capable of axially sliding along the groove body is arranged inside the sliding groove (101), and a second spring (6) is arranged between one side, close to the center of a door plate (8), of the bolt (3) and the inner wall of the sliding groove (101);
a first pin hole (102) is vertically formed in the middle of the top of the sliding groove (101), a second pin hole (202) coaxial with the first pin hole (102) is formed in the cover body (2), a pin rod (4) is arranged in the first pin hole (102), a semicircular clamping groove (401) is formed in the rod body on one side, close to the cover body (2), of the pin rod (4), and a first spring (5) is sleeved outside the rod body at one end, penetrating through the second pin hole (202), of the pin rod (4);
one side of the bolt (3) close to the first pin hole (102) is provided with a first circular groove (301) and a second circular groove (302) which are matched with the pin rod (4) for use, one side of the bolt (3) close to the cover body (2) is provided with a handle (303), and the other end of the handle (303) extends out of the strip-shaped groove (201) of the cover body (2).
2. A safety door latch with self-locking and safety features according to claim 1, wherein: the base (1) and the cover body (2) are fixedly connected through a screw (7).
3. The safety door latch with self-locking and safety features as claimed in claim 1, wherein: the pin rod (4) is arranged at one end of the first spring (5) and is provided with a baffle plate (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221743464.8U CN218454641U (en) | 2022-07-06 | 2022-07-06 | Safety door bolt with self-locking and safety function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221743464.8U CN218454641U (en) | 2022-07-06 | 2022-07-06 | Safety door bolt with self-locking and safety function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218454641U true CN218454641U (en) | 2023-02-07 |
Family
ID=85123012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221743464.8U Active CN218454641U (en) | 2022-07-06 | 2022-07-06 | Safety door bolt with self-locking and safety function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218454641U (en) |
-
2022
- 2022-07-06 CN CN202221743464.8U patent/CN218454641U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |