CN215717877U

CN215717877U - Indoor door lock

Info

Publication number: CN215717877U
Application number: CN202121949593.8U
Authority: CN
Inventors: 王运礼
Original assignee: Wenzhou Heli Lock Industry Co ltd
Current assignee: Wenzhou Heli Lock Industry Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-02-01
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses an indoor door lock, which comprises a lock shell and a panel arranged on the lock shell and provided with a bolt hole, wherein a bolt is arranged in the lock shell, a transmission part, a handle knob, a planker and a connecting plate connected with a mop, a lock core is arranged in the lock shell in a penetrating way, and the indoor door lock is characterized in that a first positioning column and a second positioning column are arranged in the lock shell, the transmission part is rotatably arranged on the first positioning column, the transmission part is provided with a butting edge capable of butting against the bolt and a butting part capable of butting against the handle knob, a transmission part spring is arranged on the transmission part, the transmission part spring is sleeved on the first positioning column and the second positioning column, a hooking part hooked on one side of the transmission part, which is positioned on the butting edge, is hooked on the second positioning column, and a bolt spring with one end butted against the panel and the other end butted against the bolt. The indoor door lock provided by the utility model not only reduces the abrasion of the handle knob, but also enables the exposed part of the door lock on the door to be more attractive, and also reduces the noise when the door lock is locked and unlocked.

Description

Indoor door lock

Technical Field

The utility model relates to the technical field of door locks, in particular to an indoor door lock.

Background

The door lock must have safety as well as stability as a security product. Security can be measured from two aspects: firstly, resist violence destruction such as prying, boring of vandalism, praise and meaning, secondly, the prevention technology is opened. As a door lock, stability is also very important, and if the door cannot be opened while the door is opened, the user may be lost or inconvenienced by not closing the door while the door is closed.

CN102191886A discloses a built-in automatic door lock, which comprises a lock body, a door stop, a bolt ejecting mechanism, a magnetic control switch mechanism, a static magnetic block, a handle knob, a straight bolt mechanism, a lock cylinder thumb wheel and a cover plate, the magnetic control switch mechanism consists of a rotary magnetic block shell, a magnetic block, a sliding block, a return spring and a screw, the rotary magnetic block shell and the magnetic block of the magnetic control switch mechanism are connected with the screw hole of the lock body connecting plate through screws, the rotary magnetic block shell is positioned between the large rectangular hole and the small rectangular hole, the upright post at the bottom surface of the lock body is connected with the reset spring of the magnetic control switch mechanism, the angle between the magnetic block of the static magnetic block and the horizontal plane on the door stop is larger than that between the magnetic block of the magnetic control switch mechanism and the horizontal plane, and the inclined plane column of the magnetic control switch mechanism is connected with the rectangular hole of the latch bolt ejecting mechanism.

However, the existing indoor door lock has the following problems: firstly, when the door lock is in a closed state, although the bolt cannot be retracted by rotating the handle knob, if a user rotates the handle knob repeatedly, abrasion of parts in the door lock can be caused, and the service life is influenced; secondly, because the door shelves are used for fixing the lock on the door, fixed back bolt hole and bolt can expose, influence pleasing to the eye, and because door shelves (being the panel) often is the metal, like stainless steel etc. the spring bolt often can have certain friction with the door shelves contact when stretching out to produce unnecessary noise.

Disclosure of Invention

The utility model overcomes the defects of the prior art and provides an indoor door lock which not only reduces the abrasion of a handle knob, but also enables the exposed part of the door lock on the door to be more beautiful, and also reduces the noise when the door lock is locked and unlocked.

In order to achieve the purpose, the utility model provides the following technical scheme:

an indoor door lock comprises a lock shell and a panel which is arranged on the lock shell and is provided with a bolt hole, a spring bolt, a transmission part, a handle knob, a planker and a connecting plate connected with a mop are arranged in the lock shell, a lock core is arranged in the lock shell in a penetrating way, a first positioning column and a second positioning column are arranged in the lock shell, the transmission part is rotationally arranged on the first positioning column, the transmission part is provided with a butting edge capable of butting against the spring bolt and a butting part capable of butting against the handle knob, a transmission part spring is arranged on the transmission part, the transmission part spring is sleeved on the first positioning column and the second positioning column, the transmission part spring is provided with a hooking part hooked on one side of the butting edge of the transmission part, one end of the second positioning column is sleeved with the spring bolt spring, the other end of the spring bolt spring is abutted against the panel, the other end of the spring bolt is abutted against the spring bolt, a first pin shaft, a second pin shaft and a third pin shaft are arranged on the lock shell, the planker comprises a first guide section and a second guide section, one end of the first guide section is provided with a spring, the other end of the first guide section is provided with a first strip-shaped hole matched with the first pin shaft, one side of the second guide section is provided with a jack part, the other side of the second guide section corresponding to the jack part is provided with an arc-shaped section protruding out of the connecting plate, the second guide section is provided with a second strip-shaped hole matched with the second pin shaft, the connecting plate is arranged on the carriage, the connecting plate is provided with a third strip-shaped hole matched with the second pin shaft and a fourth strip-shaped hole matched with the third pin shaft, one side of the connecting plate is provided with a first inserting part and a second inserting part which can be inserted into the jack part, the other side of the connecting plate is provided with a first collision part and a second collision part, the lock core is provided with a shifting block which can be abutted against the arc-shaped section, the first collision part and the second collision part, the connecting plate is also provided with a first limiting part which can limit the lock tongue and a second limiting part which can be abutted against the transmission part and limit the transmission part, the panel is covered with a plastic cover plate, the plastic cover plate is provided with an opening for the bolt to pass through.

Preferably, the two side edges of the panel are provided with a plurality of clamping grooves, and the plastic cover plate is provided with a buckle matched with the clamping grooves.

Preferably, the panel is provided with at least one positioning hole, and the plastic cover plate is provided with a positioning rod corresponding to the positioning hole.

Preferably, the panel is provided with at least one jack, and the plastic cover plate is provided with an insert block corresponding to the jack.

Preferably, the transmission part is provided with a sunken part which is in contact with the lock shell, one side of the sunken part is integrally formed with a tilting part, and the tilting part is abutted against the second limiting part.

As preferred, be equipped with the stopper on the spring bolt, the stopper is contradicted with the butt limit and is set up, and the one side that lies in the stopper on the spring bolt is equipped with the guide part, guide part and lock shell sliding fit, be equipped with the direction spring on the guide part.

The utility model has the beneficial effects that:

the indoor door lock provided by the utility model not only reduces the abrasion of the handle knob, but also enables the exposed part of the door lock on the door to be more attractive, and also reduces the noise when the door lock is locked and unlocked.

Drawings

FIG. 1 is a schematic diagram of a daily rest state of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an unlocked state according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a locked state according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a reflective panel according to an embodiment of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is a first schematic structural diagram of a plastic cover plate according to an embodiment of the present invention;

FIG. 7 is an enlarged view at B in FIG. 6;

FIG. 8 is a second schematic structural diagram of a plastic cover plate according to an embodiment of the present invention;

fig. 9 is an enlarged view at C in fig. 8.

In the figure: 1. a lock case; 11. a first positioning post; 12. a second positioning column; 13. a first pin shaft; 14. a second pin shaft; 15. a third pin shaft; 2. a panel; 21. a card slot; 22. positioning holes; 23. a jack; 24. bolt holes; 3. a latch bolt; 31. a latch bolt spring; 32. a limiting block; 33. a guide portion; 34. a guide spring; 4. a transmission member; 41. abutting the edges; 42. an abutting portion; 43. a transmission member spring; 44. a recessed portion; 45. a raised portion; 5. a knob is held; 6. a carriage; 61. a first guide section; 611. a carriage spring; 612. a first bar-shaped hole; 62. a second guide section; 621. a socket portion; 622. an arc-shaped section; 623. a second bar-shaped hole; 7. a yoke plate; 71. a third strip-shaped hole; 72. a fourth aperture; 73. a first insertion portion; 74. a second insertion portion; 75. a first interference part; 76. a second interference part; 77. a first limiting part; 78. a second limiting part; 8. a lock cylinder; 81. shifting blocks; 9. a plastic cover plate; 91. an opening; 92. buckling; 93. positioning a rod; 94. and (5) inserting the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-9, an indoor door lock comprises a lock case 1 and a panel 2 disposed on the lock case 1 and having a bolt hole 24, a bolt 3, a transmission member 4, a handle knob 5, a planker 6 and a connecting plate 7 connected to a mop are disposed in the lock case 1, a lock cylinder 8 is disposed through the lock case 1, a first positioning column 11 and a second positioning column 12 are disposed in the lock case 1, the transmission member 4 is rotatably disposed on the first positioning column 11, the transmission member 4 has an abutting edge 41 abutting against the bolt 3 and an abutting portion 42 abutting against the handle knob 5, a transmission member spring 43 is disposed on the transmission member 4, the transmission member spring 43 is disposed on the first positioning column 11 and the second positioning column 12, the transmission member spring 43 has a hooking portion hooked on one side of the abutting edge 41 of the transmission member 4, a bolt spring 31 having one end abutting against the panel 2 and the other end abutting against the bolt 3 is sleeved on the second positioning column 12, the lock shell 1 is provided with a first pin shaft 13, a second pin shaft 14 and a third pin shaft 15, the carriage 6 comprises a first guide section 61 and a second guide section 62, one end of the first guide section 61 is provided with a carriage spring 611, the other end of the first guide section 61 is provided with a first strip-shaped hole 612 matched with the first pin shaft 13, one side of the second guide section 62 is provided with an insertion hole 621, the other side of the second guide section 62 corresponding to the insertion hole 621 is provided with an arc-shaped section 622 protruding out of the connecting plate 7, the second guide section 62 is provided with a second strip-shaped hole 623 matched with the second pin shaft 14, the connecting plate 7 is arranged on the carriage 6, the connecting plate 7 is provided with a third strip-shaped hole 71 matched with the second pin shaft 14 and a fourth strip-shaped hole 72 matched with the third pin shaft 15, one side of the connecting plate 7 is provided with a first insertion part 73 and a second insertion part 74 which can be inserted into the insertion hole 621, the other side of the connecting plate 7 is provided with a first interference part 75 and a second interference part 76, be equipped with on the lock core 8 can with the shifting block 81 of segmental arc 622, first conflict portion 75 and the butt of second conflict portion 76, still be equipped with on the yoke plate 7 can carry out spacing first spacing portion 77 and can carry out spacing second spacing portion 78 with the driving medium 4 butt to lock tongue 3 and to driving medium 4, the panel 2 upper cover is equipped with plastics apron 9, is equipped with the opening 91 that supplies lock tongue 3 to pass through on the plastics apron 9.

By adopting the technical scheme, when the lock is in a daily static state, namely as shown in fig. 1, the bolt 3 extends out of the panel 2, the second limiting part 78 of the connecting plate 7 is abutted against the transmission piece 4 and limits the transmission piece 4, and the handle knob 5 is rotated to retract into the lock shell 1, namely, the lock is rotated to an unlocking state shown in fig. 2 from the state shown in fig. 1. When the lock is performed by the key cylinder 8 (i.e., the inner door lock is locked), the lock state is shown in fig. 3. At this time, since the dial 81 is rotated, the link plate 7 moves in the direction of the panel 2, the first stopper 77 stops the latch 3, and the transmission member 4 rotates to a position abutting against the second stopper 78. At this moment, just can have the clearance between hand (hold) knob 5 and the driving medium 4, rotate hand (hold) knob 5 and only can make hand (hold) knob 5 carry out the idle running, so just can not wear and tear hand (hold) knob 5 and driving medium 4, improved life. When the locking state is unlocked, the yoke plate 7 is moved towards the direction far away from the panel 2 by rotating the dial knob to the other end, and then the handle knob 5 is rotated to realize unlocking. And the setting of plastics apron 9 not only can shelter from bolt hole 24 on the panel 2, increases the aesthetic property, owing to adopt plastics material to make moreover, when spring bolt 3 passes through opening 91 department, can reduce the friction to a certain extent to noise when reducing the lock and unblock.

As an improved specific implementation manner, a plurality of clamping grooves 21 are respectively arranged at two side positions of the panel 2, and a buckle 92 matched with the clamping grooves 21 is arranged on the plastic cover plate 9; the panel 2 is provided with at least one positioning hole 22, and the plastic cover plate 9 is provided with a positioning rod 93 corresponding to the positioning hole 22; at least one jack 23 is arranged on the panel 2, and the insert block 94 corresponding to the jack 23 is arranged on the plastic cover plate 9.

Through adopting above-mentioned technical scheme, draw-in groove 21 and buckle 92's cooperation setting for when plastics apron 9 and panel 2 had fine connection steadiness, relatively more easy dismantlement change again. The positioning holes 22 and the positioning rods 93 are arranged, so that the connection between the plastic cover plate 9 and the panel 2 has a good positioning effect; the arrangement of the insertion holes 23 and the insertion blocks 94 further improves the connection stability of the plastic cover plate 9 and the panel 2.

As a modified embodiment, the transmission member 4 has a recessed portion 44 contacting the lock case 1, a raised portion 45 is integrally formed on one side of the recessed portion 44, and the raised portion 45 abuts against the second limit portion 78.

Through adopting above-mentioned technical scheme, so set up for driving medium 4 can make perk portion 45 can make again smoothly with the spacing portion 78 butt of second when can rotating smoothly, thereby realizes spacing to driving medium 4.

As a modified embodiment, the bolt 3 is provided with a limit block 32, the limit block 32 is abutted against the abutting edge 41, one side of the bolt 3, which is located at the limit block 32, is provided with a guide part 33, the guide part 33 is in sliding fit with the lock shell 1, and the guide part 33 is provided with a guide spring 34.

Through adopting above-mentioned technical scheme, so set up, structural design is reasonable, has the cushioning effect to the withdrawal of spring bolt 3, and has the pushing action to stretching out of spring bolt 3.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An indoor door lock comprises a lock shell and a panel which is arranged on the lock shell and is provided with a bolt hole, a spring bolt is arranged in the lock shell, a transmission part, a handle knob, a planker and a yoke plate which is connected with a mop, a lock core is arranged in the lock shell in a penetrating way, the indoor door lock is characterized in that a first positioning column and a second positioning column are arranged in the lock shell, the transmission part is rotatably arranged on the first positioning column and is provided with a butting edge which can be butted with the spring bolt and a butting portion which can be butted with the handle knob, a transmission part spring is arranged on the transmission part and is sleeved on the first positioning column and the second positioning column, the transmission part spring is provided with a hooking portion which is hooked on one side of the butting edge of the transmission part, one end of the spring bolt spring is butted with the panel, the other end of the spring bolt spring is butted with the spring bolt, a first pin shaft, a second pin shaft and a third pin shaft are arranged on the lock shell, the planker comprises a first guide section and a second guide section, one end of the first guide section is provided with a carriage spring, the other end of the first guide section is provided with a first strip-shaped hole matched with the first pin shaft, one side of the second guide section is provided with a jack part, the other side of the second guide section corresponding to the jack part is provided with an arc-shaped section protruding out of the connecting plate, the second guide section is provided with a second strip-shaped hole matched with the second pin shaft, the connecting plate is arranged on the carriage, the connecting plate is provided with a third strip-shaped hole matched with the second pin shaft and a fourth strip-shaped hole matched with the third pin shaft, one side of the connecting plate is provided with a first inserting part and a second inserting part which can be inserted into the jack part, the other side of the connecting plate is provided with a first abutting part and a second abutting part, the lock core is provided with a shifting block which can abut against the arc-shaped section, the first abutting part and the second abutting part and can abut against the transmission part and limit the transmission part, the panel upper cover is provided with a plastic cover plate, and the plastic cover plate is provided with an opening for the bolt to pass through.

2. The indoor door lock of claim 1, wherein the panel has a plurality of slots at both sides, and the plastic cover has a buckle engaged with the slots.

3. An indoor door lock as claimed in claim 2, wherein the panel has at least one locating hole, and the plastic cover has locating rods corresponding to the locating hole.

4. An indoor door lock as claimed in claim 2 or 3, wherein the panel is provided with at least one insertion hole, and the plastic cover plate is provided with an insertion block corresponding to the insertion hole.

5. An indoor door lock as claimed in claim 1, wherein the driving member has a recessed portion contacting the lock case, and a raised portion is integrally formed on one side of the recessed portion and abuts against the second stopper portion.

6. The indoor door lock of claim 1, wherein the bolt is provided with a stopper, the stopper is abutted against the abutting edge, one side of the bolt located at the stopper is provided with a guide part, the guide part is in sliding fit with the lock shell, and the guide part is provided with a guide spring.