CN216476839U - Back-locking lock catch for indoor door - Google Patents

Back-locking lock catch for indoor door Download PDF

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Publication number
CN216476839U
CN216476839U CN202123031994.8U CN202123031994U CN216476839U CN 216476839 U CN216476839 U CN 216476839U CN 202123031994 U CN202123031994 U CN 202123031994U CN 216476839 U CN216476839 U CN 216476839U
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Prior art keywords
lock catch
lock
hasp
cylinder
catch
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CN202123031994.8U
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Chinese (zh)
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曾祥华
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Ningbo Jericho Machinery Co ltd
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Ningbo Jericho Machinery Co ltd
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Abstract

The utility model relates to the technical field of door locks, in particular to an indoor door back lock catch, which comprises a back lock catch body, wherein the back lock catch body comprises a first lock catch fixedly arranged on a door frame, a second lock catch movably connected with the first lock catch and a lock catch bolt used for connecting the first lock catch and the second lock catch; the first lock catch comprises a lock catch plate and a first lock catch column body connected with the lock catch plate, at least two first mounting holes are formed in the lock catch plate, and a kidney-shaped groove for mounting a lock catch bolt is formed in each of the upper end and the lower end of the first lock catch column body; the second lock catch comprises a second lock catch cylinder, and the upper end and the lower end of the second lock catch cylinder are respectively connected with a second lock catch block. The utility model discloses a first hasp and second hasp are mutually supported and are acted for the second hasp can rotate, and under the effect of hasp spring, realize that it opens or the closed condition, can realize that the user is at indoor lock anti-lock function, and then improved the personnel's of living security performance, easy operation, convenient to use.

Description

Indoor door back-locking lock catch
Technical Field
The utility model relates to a lock technical field especially relates to an indoor door back locking hasp.
Background
The door lock is the equipment that is used for just being used for pinning the door as the name suggests to prevent that other people from opening this door, and the classification of door lock is a lot of, and is different to the requirement of door lock in each occasion, and ordinary family generally uses the pickproof door lock, and the security is high and the price is cheaper, makes things convenient for the door lock of hotel management to receive more and more attention.
Because the hotel flow of the people living in every day is large, the door lock is used repeatedly for a plurality of times, and the door lock is easy to damage, so that the lock cylinder is not firmly clamped, but a user is not easy to perceive, and the safety of the people living in is influenced.
Therefore, it is necessary to design a back locking buckle for an indoor door to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the indoor door backlocking hasp of proposition can realize that the user is at indoor lock backlocking function to improve the personnel's of living security performance, easy operation, convenient to use.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an indoor door back lock catch comprises a back lock catch body, wherein the back lock catch body comprises a first lock catch fixedly mounted with a door frame, a second lock catch movably connected with the first lock catch, and a lock catch bolt used for connecting the first lock catch and the second lock catch;
the first lock catch comprises a lock catch plate and a first lock catch column body connected with the lock catch plate, at least two first mounting holes are formed in the lock catch plate, and a kidney-shaped groove used for mounting a lock catch bolt is formed in each of the upper end and the lower end of the first lock catch column body;
the second lock catch comprises a second lock catch cylinder, the upper end and the lower end of the second lock catch cylinder are respectively connected with a second lock catch block, and a second mounting hole for mounting a lock catch bolt is formed in the second lock catch block.
Preferably, the back lock catch body further comprises a catch spring installed in the first lock catch, the catch spring is perpendicular to the catch bolt, one end of the catch spring is fixedly connected with the catch bolt, and the other end of the catch spring is fixedly connected with the inner wall of the first lock catch column.
By adopting the technical scheme, the second lock catch can rotate through the mutual matching effect of the first lock catch and the second lock catch, and the opening or closing state of the second lock catch is realized under the action of the lock catch spring, so that the anti-locking function of the door lock of a user in a room can be realized, and the safety performance of the personnel entering the room is improved.
Preferably, a third mounting hole for mounting the locking spring is formed in the first locking column, and the third mounting hole is transversely formed.
By adopting the technical scheme, the lock catch spring is convenient to install through the transversely arranged third installation hole.
Preferably, a first strip-shaped clamping groove is formed in the joint of the first lock cylinder and the lock plate, a strip-shaped clamping block is arranged on the inner side of the second lock cylinder, and the strip-shaped clamping block and the first strip-shaped clamping groove are installed in a matched mode.
By adopting the technical scheme, when the back locking lock catch is in a closed state, the strip-shaped clamping block and the first strip-shaped clamping groove can be installed in a matched mode, so that the first lock catch and the second lock catch can be clamped, and the back locking function of the door lock is realized.
Preferably, the upper end of the locking bolt is provided with an arc insection.
By adopting the technical scheme, the arc-shaped insections are convenient for the lock catch bolt to be tightly connected with the second lock catch column body.
Preferably, the end of the second lock cylinder is provided with a second strip-shaped clamping groove for installing a rubber pad, and the rubber pad is installed in a matching manner with the second strip-shaped clamping groove.
Adopt above-mentioned technical scheme, when this back lock hasp is in the closed condition, can avoid the door to open from the outside, can play the guard action to the door through the rubber pad.
The utility model discloses following beneficial effect has:
1. the utility model discloses a first hasp and second hasp are mutually supported and are acted for the second hasp can rotate, and under the effect of hasp spring, realize that it opens or the closed condition, thereby can realize that the user is at indoor lock anti-lock function, and then improved the personnel's of living security performance.
2. The utility model discloses simple structure, it is easy and simple to handle, convenient to use easily promotes and uses.
Drawings
Fig. 1 is a schematic view of the reverse locking state of the present invention;
fig. 2 is a schematic structural view of the first lock catch of the present invention;
FIG. 3 is a schematic rear view of FIG. 2;
fig. 4 is a schematic structural view of the second lock catch of the present invention;
fig. 5 is a schematic structural view of the locking spring of the present invention;
FIG. 6 is a schematic structural view of a latch according to the present invention;
FIG. 7 is a cross-sectional view of the present invention in a back-locked state;
FIG. 8 is a schematic structural view of the rubber pad of the present invention;
fig. 9 is a schematic view of the open state of the present invention.
In the figure: the lock comprises a first lock catch 1, a lock catch plate 11, a first mounting hole 111, a first lock catch cylinder 12, a kidney-shaped groove 121, a third mounting hole 122, a first strip-shaped clamping groove 123, a second lock catch 2, a second lock catch cylinder 21, a strip-shaped clamping block 211, a second strip-shaped clamping groove 212, a second lock catch block 22, a second mounting hole 221, a lock catch bolt 3, an arc-shaped insection 31, a lock catch spring 4 and a rubber pad 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 9, a back lock catch for an indoor door includes a back lock catch body, which includes a first lock catch 1 fixedly installed with a doorframe, a second lock catch 2 movably connected with the first lock catch 1, and a lock catch bolt 3 for connecting the first lock catch 1 and the second lock catch 2; in this embodiment, the first lock catch 1 and the second lock catch 2 are made of metal aluminum material, so that the anti-lock catch has high structural strength and long service life.
Referring to fig. 2-3, the first latch 1 includes a latch plate 11 and a first latch cylinder 12 connected to the latch plate 11, the latch plate 11 is provided with at least two first mounting holes 111, and the upper and lower ends of the first latch cylinder 12 are respectively provided with a kidney-shaped groove 121 for mounting a latch bolt 3; the lock catch plate 11 and the first lock catch column 12 are formed in one step, and the lock catch plate 11 and the door frame can be fixedly connected through a first mounting hole 111 by screws; the use of the kidney slot 121 serves to enable the latch bolt 3 to be moved laterally within the kidney slot 121 by pulling the secondary latch 2 by hand.
Referring to fig. 4, the second latch 2 includes a second latch cylinder 21, the upper and lower ends of the second latch cylinder 21 are respectively connected to a second latch block 22, and the second latch block 22 is provided with a second mounting hole 221 for mounting the latch bolt 3; the second locking cylinder 21 and the second locking block 22 are formed by one-step machining, and the position of the second mounting hole 221 and the position of the kidney-shaped groove 121 are required to be correspondingly arranged, so that the locking bolt 3 can be conveniently mounted through the second mounting hole 221, and the lower end of the locking bolt 3 extends into the kidney-shaped groove 121.
Specifically, referring to fig. 3, 5 and 7, the back locking lock catch body further includes a lock catch spring 4 installed in the first lock catch 1, the lock catch spring 4 is perpendicular to the lock catch bolt 3, one end of the lock catch spring 4 is fixedly connected to the lock catch bolt 3, and the other end of the lock catch spring 4 is fixedly connected to the inner wall of the first lock catch cylinder 12.
The first locking cylinder 12 is provided with a third mounting hole 122 for mounting the locking spring 4, and the third mounting hole 122 is transversely arranged.
In this embodiment, the kidney-shaped groove 121 is disposed in the third mounting hole 122, and the kidney-shaped groove 121 and the third mounting hole 122 are in the same plane, so that when the latch bolt 3 is manually pulled, the latch bolt 3 moves in the kidney-shaped groove 121, and since the latch spring 4 is mounted in the third mounting hole 122 and connected to the latch bolt 3, under the condition that the latch bolt 3 moves, the latch spring 4 also moves in the third mounting hole 122 in a telescopic manner, thereby realizing the rotation of the second latch 2, and realizing the opening or closing function of the back-locking latch.
Specifically, referring to fig. 2 and 4, a first strip-shaped clamping groove 123 is formed at a joint of the first locking column 12 and the locking plate 11, a strip-shaped clamping block 211 is arranged on the inner side of the second locking column 21, and the strip-shaped clamping block 211 and the first strip-shaped clamping groove 123 are installed in a matching manner.
In this embodiment, when the second latch 2 is manually pulled, the latch bolt 3 moves in the kidney-shaped groove 121, and under the condition that the latch bolt 3 moves, due to the elastic action of the latch spring 4, the latch spring 4 is in an extended and retracted state in the third mounting hole 122, so that the bar-shaped fixture block 211 of the second latch 2 can be clamped in the first bar-shaped fixture groove 123 of the first latch 1, and the back-locking function of the door is realized, i.e., the door cannot be pushed open from the outside.
Specifically, referring to fig. 6, the upper end of the latch bolt 3 is provided with an arc-shaped insection 31, and the latch bolt 3 is conveniently tightly connected to the second latch cylinder 21 through the arc-shaped insection 31, so that the latch bolt 3 is integrally connected to the second latch cylinder 21, and further, when the second latch 2 is manually pulled, the latch bolt 3 and the second latch 2 can rotate together.
Specifically, referring to fig. 8 and 4, a second strip-shaped clamping groove 212 for mounting the rubber gasket 5 is arranged at an end of the second locking cylinder 21, and the rubber gasket 5 and the second strip-shaped clamping groove 212 are mounted in a matching manner.
In this embodiment, when the back-locking latch is in the back-locking state, the door is pushed from the outside and cannot be opened, and the door can be protected by the rubber pad 5.
The utility model discloses a theory of operation:
referring to fig. 1, when the second latch 2 is manually pulled, the latch bolt 3 moves in the kidney-shaped groove 121, and under the condition that the latch bolt 3 moves, due to the elastic action of the latch spring 4, the latch spring 4 is in an extended and retracted state in the third mounting hole 122 under the action of external force, so that the bar-shaped fixture block 211 of the second latch 2 can be clamped in the first bar-shaped fixture groove 123 of the first latch 1, the back-locking function of the door is realized, and the door cannot be pushed open from the outside at the moment;
referring to fig. 9, when the second latch 2 is manually pulled again, due to the elastic action of the latch spring 4, the latch spring 4 is in a reset state in the third mounting hole 122 under the action of an external force, so that the latch bolt 3 moves to an original position in the kidney-shaped groove 121, that is, the bar-shaped fixture block 211 of the second latch 2 is separated from the first bar-shaped fixture groove 123 of the first latch 1, so that the second latch 2 can rotate to the other side of the first latch 1, the back-locking function is released, and at this time, the door can be pushed open from the outside.
To sum up, this indoor door anti-lock hasp through first hasp and the mutual mating reaction of second hasp for the second hasp can rotate, and under the effect of hasp spring, realizes that it opens or the closed condition, thereby can realize that the user is at indoor lock anti-lock function, and then has improved the personnel's of living security performance, easy operation, convenient to use.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The indoor door back lock catch comprises a back lock catch body and is characterized in that the back lock catch body comprises a first lock catch (1) fixedly mounted with a door frame, a second lock catch (2) movably connected with the first lock catch (1), and a lock catch bolt (3) used for connecting the first lock catch (1) and the second lock catch (2);
the first lock catch (1) comprises a lock catch plate (11) and a first lock catch column body (12) connected with the lock catch plate (11), at least two first mounting holes (111) are formed in the lock catch plate (11), and a kidney-shaped groove (121) for mounting a lock catch bolt (3) is formed in each of the upper end and the lower end of the first lock catch column body (12);
the second lock catch (2) comprises a second lock catch cylinder (21), the upper end and the lower end of the second lock catch cylinder (21) are respectively connected with a second lock catch block (22), and a second mounting hole (221) for mounting the lock catch bolt (3) is formed in the second lock catch block (22).
2. An indoor door lock hasp according to claim 1, wherein the said lock hasp body further comprises a lock hasp spring (4) installed in the first hasp (1), the said lock hasp spring (4) and the said lock hasp bolt (3) are vertically installed, one end of the said lock hasp spring (4) is fixedly connected to the said lock hasp bolt (3), and the other end of the said lock hasp spring (4) is fixedly connected to the inner wall of the first hasp cylinder (12).
3. An indoor door lock hasp according to claim 2, wherein a third mounting hole (122) for mounting a hasp spring (4) is formed on said first hasp cylinder (12), and said third mounting hole (122) is transversely arranged.
4. The indoor door back-locking hasp according to claim 1, wherein a first strip-shaped slot (123) is arranged at the joint of the first hasp cylinder (12) and the hasp plate (11), a strip-shaped fixture block (211) is arranged at the inner side of the second hasp cylinder (21), and the strip-shaped fixture block (211) is matched with the first strip-shaped slot (123).
5. An indoor door lock hasp according to claim 1 wherein the upper end of said hasp pin (3) is provided with arc insection (31).
6. An indoor door back lock catch according to claim 1, wherein the end of the second lock catch cylinder (21) is provided with a second strip-shaped slot (212) for installing a rubber gasket (5), and the rubber gasket (5) is installed in a matching way with the second strip-shaped slot (212).
CN202123031994.8U 2021-12-06 2021-12-06 Back-locking lock catch for indoor door Active CN216476839U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123031994.8U CN216476839U (en) 2021-12-06 2021-12-06 Back-locking lock catch for indoor door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123031994.8U CN216476839U (en) 2021-12-06 2021-12-06 Back-locking lock catch for indoor door

Publications (1)

Publication Number Publication Date
CN216476839U true CN216476839U (en) 2022-05-10

Family

ID=81419265

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123031994.8U Active CN216476839U (en) 2021-12-06 2021-12-06 Back-locking lock catch for indoor door

Country Status (1)

Country Link
CN (1) CN216476839U (en)

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