CN102936983A

CN102936983A - Door lock for restroom

Info

Publication number: CN102936983A
Application number: CN2012104171363A
Authority: CN
Inventors: 高欣璐
Original assignee: Ningbo Ideal Hardware Locates Co Ltd
Current assignee: Ningbo Ideal Hardware Locates Co Ltd
Priority date: 2012-10-18
Filing date: 2012-10-18
Publication date: 2013-02-20
Anticipated expiration: 2032-10-18
Also published as: CN102936983B

Abstract

The invention provides a door lock for a restroom, belonging to the technical field of door locks. The door lock solves the problem that the existing door lock for a restroom is hard to unlock from the outside after counter locking. The door lock for a restroom comprises a lock shell as well as an inclined bolt, a drive frame and a handle rotation shaft structure which are mounted on the lock shell, wherein the handle rotation shaft structure consists of an inner handle rotation shaft and an outer handle rotation shaft which are connected with an inner handle and an outer handle respectively; the inner handle rotation shaft and the outer handle rotation shaft are fixedly connected with a drive disc I and a drive disc II with a limiting slot respectively; the drive disc I and the drive disc II are connected with the drive frame and can drive the drive frame to act; a clearance is formed between the drive disc I and the drive disc II; and the drive frame is also provided with a limiting device with a limiting block. Through the door lock for a restroom, provided by the invention, a door can be counter-locked from the inside and also can be opened conveniently from the outside.

Description

A kind of lock used for washroom door

Technical field

The invention belongs to the door lock technical field, relate to a kind of lock used for washroom door.

Background technology

Other people are neglectful when people go to toilet in the washroom or have a bath swarms into, bathroom door generally all can be equipped with the safety tongue that can lock from the inside, after the people enters and from the inside safety tongue is locked afterwards, if the outside the people without key do not open the door, because bathroom door is the door that belongs within doors, therefore key generally all can be accepted and not use, the problem of its existence is: when the people in the washroom situation occurs when having a bath (such as apoplexy or heart attack occuring or stupor etc. occurring), the people of the inside loses the ability of the door that is opened within, just must save out by the people that key opens door with the inside after the people of outside finds like this, since key at ordinary times substantially need not, thereby can occur for the moment can not find key or look for the key time oversizely to cause missing the best rescue time and lead to important accident.

Summary of the invention

The objective of the invention is to have the problems referred to above for existing technology, proposed a kind ofly can lock from the inside and can make things convenient for from the outside the lock used for washroom door that door is opened.

Purpose of the present invention can realize by following technical proposal: a kind of lock used for washroom door, comprise lock housing and the oblique dead bolt that is installed on the lock housing, bogie and arm pivot post structure, described bogie is controlled the contraction of oblique dead bolt by stretching structure and is stretched out, it is characterized in that: described arm pivot post structure is comprised of the inner handle rotating shaft that connects respectively inner handle and outdoor handle and outdoor handle rotating shaft, be fixed with respectively driving-disc one and the driving-disc two that has stopper slot in inner handle rotating shaft and the outdoor handle rotating shaft, driving-disc one is connected with driving-disc and is connected with above-mentioned bogie and can drives the bogie action, be separated with the gap between described driving-disc one and the driving-disc two, also be provided with the stopping means with limited block on the described bogie, described stopping means can drive limited block and extend in the above-mentioned stopper slot or reset from above-mentioned stopper slot and be withdrawn in the gap between driving-disc one and the driving-disc two.

In above-mentioned a kind of lock used for washroom door, the locating part that described stopping means comprises limit base and is installed on the limit base and can moves around at limit base, described limit base comprises over against the slide one and the slide two that arrange, slide one and slide two separately an end are fixed together, slide one inside wall front end has chute one, slide two inside wall rear ends have chute two, described locating part comprises the body with the through hole that runs through the left and right side, be fixed with respectively described fixture block and contiguous block on the upper and lower surface of body, be fixed with respectively fore-set on the front and rear surfaces and with the joint pin of internal thread, in the described through hole spring is installed, both ends of the spring is respectively against having steel ball and two steel balls to be resisted against respectively on the inside wall of above-mentioned slide one and slide two by spring.

Handspike has been threaded on the joint pin with internal thread, handspike is positioned at that side of a inside and the door lock that stretches through out, when the people enters into the washroom and goes to toilet or have a bath, handspike can be pushed away inward, handspike promotes joint pin and then promotes whole locating part mobile at limit base, fixture block is pushed to carries out spacing to driving-disc two in the stopper slot of driving-disc two and then the restriction outdoor handle rotates, thereby just can not door be opened by outdoor handle the people of outside, washroom.If the people of outside can be opened door, the people who is positioned at the washroom only need pull outward handspike, makes fixture block on the locating part withdraw from the gap that the stopper slot on the driving-disc two gets back between driving-disc one and the driving-disc two and gets final product; Or the people of outside look for an elongated object to stretch into lock housing (having the through hole that is complementary with fore-set on the lock housing) thus the fore-set effect pushed away fore-set inward to drive whole locating part mobile inward on limit base, the stopper slot of fixture block from driving-disc two moves to the gap between driving-disc one and the driving-disc two, fixture block no longer carries out spacing to driving-disc two, outdoor handle just can be worked door is opened like this.

In above-mentioned a kind of lock used for washroom door, described bogie is U-shaped and has two over against the driver slot that arranges, and above-mentioned driving-disc one and the separately two ends of driving-disc two are stretched into respectively in two driver slots.

In above-mentioned a kind of lock used for washroom door, described stretching structure comprises that the outer end is connected on the oblique dead bolt, the inner has the tube connector on gear edge, be arranged with spring one, spring two and spring three on the tube connector, described spring is held one by one and is resisted against on the oblique dead bolt, and the other end is resisted against on the bogie, described spring 21 ends are resisted against on the bogie, the other end is resisted against above-mentioned gear along upper, and described spring 31 ends are resisted against on the bogie, and the other end is resisted against on the limit base.

In above-mentioned a kind of lock used for washroom door, the inner of described tube connector has cavity, described contiguous block one end is connected on the body, the other end has the inclined plane, thereby described cavity port contacts with the inclined plane and the driving locating part that can move around on the inclined plane moves around at limit base.

Compared with prior art, this lock used for washroom door has following several advantage:

1, the arm pivot post structure is divided into inner handle rotating shaft and outdoor handle rotating shaft, inside and outside separately control, lock only to the outdoor handle effect, inoperative to inner handle, operation is very easy thereby be positioned at the people of washroom, just do not need first release to operate inner handle when locking again, but directly press inner handle, door can be opened, and has also carried out simultaneously release, and is very convenient;

2, the structure of realization back locking function is very simple, so that whole door latch structure is simple, cost of manufacture is low, simultaneously, and when undesired situation appears in the people in the washroom, the people of outside only need look for slender body can opposite house to be locked into row and remove to lock from the outside door is opened, and do not need the key that mates, because the key of coupling is sometimes not difficult to find, and slender body is relatively difficult to find, can guarantee that like this very first time opens door, thereby avoid serious thing to occur.

Description of drawings

Fig. 1 is structural representation of the present invention.

Fig. 2 is the structural representation of arm pivot post structure and driving-disc one among the present invention, driving-disc two.

Fig. 3 is the structural representation of limited block among the present invention.

Fig. 4 is the structural representation of limit base among the present invention.

Fig. 5 is another structural representation of limit base among the present invention.

Among the figure, 1, lock housing; 2, oblique dead bolt; 3, bogie; 3a, driver slot; 4, inner handle rotating shaft; 5, outdoor handle rotating shaft; 6, driving-disc one; 7, driving-disc two; 7a, stopper slot; 8, locating part; 9, body; 9a, through hole; 10, steel ball; 11, fixture block; 12, contiguous block; 12a, inclined plane; 13, fore-set; 14, joint pin; 15, limit base; 16, slide one; 16a, chute one; 17, slide two; 17a, chute two; 18, tube connector; 18a, gear edge; 18b, cavity; 19, spring one; 20, spring two; 21, spring three.

The specific embodiment

Below be specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.

As illustrated in fig. 1 and 2, this lock used for washroom door comprises lock housing 1 and the oblique dead bolt 2, bogie 3 and the arm pivot post structure that are installed on the lock housing 1, lock housing 1 is fastened by two two parts that can be separated from each other and forms, and bogie 3 is U-shaped and has two over against the driver slot 3a that arranges.The arm pivot post structure is comprised of the inner handle rotating shaft 4 that connects respectively inner handle and outdoor handle and outdoor handle rotating shaft 5, be fixed with respectively driving-disc 1 and the driving-disc 27 that has stopper slot 7a in inner handle rotating shaft 4 and the outdoor handle rotating shaft 5, the separately two ends of driving-disc 1 and driving-disc 27 are stretched among the two driver slot 3a, be separated with the gap between driving-disc 1 and the driving-disc 27, also be provided with the stopping means with limited block on the bogie 3.

Such as Fig. 3, shown in 4 and 5, the locating part 8 that stopping means comprises limit base 15 and is installed on the limit base 15 and can moves around at limit base 15, limit base 15 comprises over against the slide 1 and the slide 2 17 that arrange, slide 1 and slide 2 17 separately an end are fixed together, slide one 16 inside wall front ends have chute one 16a, slide 2 17 inside wall rear ends have chute two 17a, locating part 8 comprises the body 9 with the through hole 9a that runs through the left and right side, be fixed with respectively described fixture block 11 and contiguous block 12 on the upper and lower surface of body 9, be fixed with respectively fore-set 13 on the front and rear surfaces and with the joint pin 14 of internal thread, handspike has been threaded on the joint pin 14, among the through hole 9a spring is installed, both ends of the spring is respectively against having steel ball 10 and two steel balls 10 to be resisted against respectively on the inside wall of slide 1 and slide 2 17 by spring.

The outer end also is installed on the lock housing 1 to be connected on the oblique dead bolt 2, the inner has gear along the tube connector 18 of 18a, be arranged with spring 1, spring 2 20 and spring 3 21 on the tube connector 18, spring one 19 one ends are resisted against on the oblique dead bolt 2, the other end is resisted against on the bogie 3, and spring 2 20 1 ends are resisted against on the bogie 3, and the other end is resisted against gear along on the 18a, spring 3 21 1 ends are resisted against on the bogie 3, and the other end is resisted against on the limit base 15.The inner of tube connector 18 has cavity 18b, and contiguous block 12 1 ends are connected on the body 9, and the other end has inclined plane 12a, and cavity 18b port contacts with inclined plane 12a and being oriented towards direction outdoors of inclined plane 12a.

The structural principle of this lock used for washroom door is as follows:

Under the original state, in the space of fixture block 11 between driving-disc 1 and driving-disc 27, the lower end of inclined plane 12a on the contiguous block 12 does not contact with tube connector 18 cavity 18b ports, one of them steel ball on its locating part 8 through hole 9a is arranged in chute one 16a of slide one 16 front ends, and another steel ball is positioned on the sidewall of slide 2 17 front ends.

Go to toilet or have a bath door need to be locked the time when the people enters into the washroom, people only need the past outdoors direction of handspike is pushed away, handspike promotes joint pin 14 and whole locating part 8 is mobile outward, two steel balls 10 on the through hole 9a move on the sidewall of chute one 16a and slide 2 17 front ends respectively, that steel ball on being positioned at slide 2 17 front end side wall moves when falling on chute two 17a that are positioned at the rear end, be positioned at this moment on the other end that steel ball on chute one 16a just moves to chute one 16a limited, this moment, locating part 8 moved complete, fixture block 11 on it just enters into the stopper slot 7a of driving-disc 27 fully, the lower end of inclined plane 12a on the contiguous block 12 just contacts with tube connector 18 cavity 18b ports at this moment, outdoor handle rotating shaft 5 limited can not rotations, outdoor handle is locked successfully, can not be opened door by the outdoor handle operation.

After locking, people in the washroom is out the time, the people of this moment the inside can pull out handspike inward, and from stopper slot 7a position movement went back to space between driving-disc 1 and the driving-disc 27, this moment operates outdoor handle and inner handle can be opened door with fixture block 11 for travel limiter 8; Also can the inside the people directly press inner handle, drive inner handle rotating shaft 4 and driving-disc one 6 rotations, thereby driving-disc 1 rotates by driver slot 3a and drives bogie 3 contractions by spring 2 20, tube connector 18 drives oblique dead bolt 2 contractions door is opened, this moment, spring 3 21 was compressed, tube connector 18 moves toward contiguous block 12 directions simultaneously, thereby tube connector 18 cavity 18b ports move to the upper end and drive contiguous block 12 and move toward interior directions along the lower end of contiguous block 12 inclined plane 12a, its whole locating part 8 is toward interior movement, fixture block 11 is moved back in the space between driving-disc 1 and the driving-disc 27 by stopper slot 7a, when hand was decontroled inner handle, tiltedly dead bolt 2 and bogie 3 resetted under the reset response power of spring 3 21.

After locking, situation occurs and loses when opening the door ability from the inside in the people of washroom the inside, can pass 13 effects of 1 pair of fore-set of lock housing by slender body after the people of outside finds pushes away fore-set 13 inward, thereby drive whole locating part 8 inward the mobile fixture block 11 that makes from stopper slot 7a, withdraw from back in the gap between driving-disc 1 and the driving-disc 27, thereby outdoor handle no longer is subject to spacing release, the operation outdoor handle is opened the work such as succour with door, only need the key of slender body rather than coupling to be locked into capable release by opposite house, thereby can fast door be opened, avoid more serious thing to occur.

Specific embodiment described herein only is to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.

Claims

1. lock used for washroom door, comprise lock housing (1) and be installed in oblique dead bolt (2) on the lock housing (1), bogie (3) and arm pivot post structure, described bogie (3) is controlled the contraction of oblique dead bolt (2) by stretching structure and is stretched out, it is characterized in that: described arm pivot post structure is comprised of the inner handle rotating shaft (4) that connects respectively inner handle and outdoor handle and outdoor handle rotating shaft (5), be fixed with respectively driving-disc one (6) in inner handle rotating shaft (4) and the outdoor handle rotating shaft (5) and have the driving-disc two (7) of stopper slot (7a), driving-disc one (6) are connected with driving-disc (7) be connected with above-mentioned bogie (3) and can drive bogie (3) action, be separated with the gap between described driving-disc one (6) and the driving-disc two (7), described bogie also is provided with the stopping means with limited block on (3), and described stopping means can drive limited block and extend in the above-mentioned stopper slot (7a) or reset from above-mentioned stopper slot (7a) and be withdrawn in the gap between driving-disc one (6) and the driving-disc two (7).

2. a kind of lock used for washroom door according to claim 1, it is characterized in that, described stopping means comprises limit base (15) and is installed in the locating part (8) that limit base (15) is upper and can move around in limit base (15), described limit base (15) comprises over against the slide one (16) and the slide two (17) that arrange, slide one (16) and slide two (17) separately an end are fixed together, slide one (16) inside wall front end has chute one (16a), slide two (17) inside wall rear ends have chute (17a), described locating part (8) comprises the body (9) with the through hole (9a) that runs through the left and right side, be fixed with respectively described fixture block (11) and contiguous block (12) on the upper and lower surface of body (9), be fixed with respectively fore-set (13) on the front and rear surfaces and with the joint pin (14) of internal thread, in the described through hole (9a) spring is installed, both ends of the spring is respectively against having steel ball (10) and two steel balls (10) to be resisted against respectively on the inside wall of above-mentioned slide one (16) and slide two (17) by spring.

3. a kind of lock used for washroom door according to claim 2, it is characterized in that, described bogie (3) is U-shaped and has two over against the driver slot (3a) that arranges, and above-mentioned driving-disc one (6) and the separately two ends of driving-disc two (7) are stretched into respectively in two driver slots (3a).

4. according to claim 2 or 3 described a kind of lock used for washroom doors, it is characterized in that, described stretching structure comprises that the outer end is connected on the oblique dead bolt (2), the inner has gear along the tube connector (18) of (18a), be arranged with spring one (19) on the tube connector (18), spring two (20) and spring three (21), described spring one (19) one end is resisted against on the oblique dead bolt (2), the other end is resisted against on the bogie (3), described spring two (20) one ends are resisted against on the bogie (3), the other end is resisted against above-mentioned gear along on (18a), described spring three (21) one ends are resisted against on the bogie (3), and the other end is resisted against on the limit base (15).

5. a kind of lock used for washroom door according to claim 4, it is characterized in that, the inner of described tube connector (18) has cavity (18b), described contiguous block (12) one ends are connected on the body (9), the other end has inclined plane (12a), described cavity (18b) port contact with inclined plane (12a) and can be on the inclined plane (12a) thus move around and drive locating part (8) and move around at limit base (15).