CN2241744Y

CN2241744Y - Lock for door of lavatory

Info

Publication number: CN2241744Y
Application number: CN 95226412
Authority: CN
Inventors: 徐振忠
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-11-07
Filing date: 1995-11-07
Publication date: 1996-12-04
Anticipated expiration: 2005-11-07

Abstract

The utility model relates to a door lock of a lavatory, which uses a gear and rack engagement pair as a movement reversing mechanism of a lock bolt and a lock handle. The utility model is characterized in that a handle is sheathed on the extension end of a gear shaft. A locking device of the lock bolt is composed of a lock block, a lock sheet and an axial positioning mechanism of the lock sheet and is arranged on the gear shaft. When the utility model is used, the lock handle and the handle rotate coaxially, and can be simultaneously locked by the locking device of the lock bolt to stop rotating with the lock bolt. Therefore, the handle which is additionally arranged can be used for locking and unlocking and can also be used as a door handle, which leads the door lock to increase new use functions. Thus, the utility model has the advantage of convenient installation and operation.

Description

The washroom door lock

The utility model relates to a kind of with the washroom door lock of rack-and-pinion Meshing Pair as shank of the key and locking bolt motion changement.

The bathroom door lockset of said structure has outstanding characteristics, promptly can directly utilize locking bolt stretching out and door lock both can have been made left-hand lock used to the left or to the right, also can make the dextrad lock uses, but, also there is a problem in this door lock in using, need the another one catch in the outside of door lock exactly, this trouble of people Lai Shuoshi to purchasing this door lock.

The purpose of this utility model provides a kind of washroom door lock more easily of installing and using.

Solution of the present utility model be gear shaft the elongated end suit together gear shaft do not have the handle of relative motion, simultaneously, gear shaft is provided with by lock dog, the locking bolt locking device that locking plate and locking plate axial location mechanism form, wherein lock dog is fixed on the gear shaft, be provided with the arc surface of two symmetries movingly of the circular hole on the locking plate with the lock plane of two symmetries movingly of the lock slots on the locking plate, circular hole on the locking plate communicates with lock slots, locking plate also is inlaid in the guide groove of being located at lock body, and locking plate axial location mechanism comprises spring and the axial block piece that is sleeved on gear shaft and acts on locking plate.

The opposite side that the bathroom door of said structure is locked in shank of the key is provided with coaxial mounted handle, when the people in the washroom rotates after shank of the key locks the door, press locking plate again, two lock plane that make the lock slots on the locking plate enter lock dog, locking bolt is promptly locked fully, at this moment, shank of the key and handle all can not rotate, if though locking bolt is not locked the door or locked the door but do not press locking plate, Na Me Men Nei and people outdoors can rotate shank of the key and handle, make door lock or not lock, and the handle that handle can be made door uses, this shows, this door lock had both kept the characteristics of washroom door lock, increased new function of use again, be a kind ofly liked by the people, and install and use washroom door lock more easily.

Further illustrate detailed content of the present utility model below in conjunction with drawings and Examples.

Fig. 1: the structure chart of the utility model embodiment;

Fig. 2: A-A sectional view.

As shown in the figure, the member that constitutes the washroom door lock has lock body 1, locking bolt 2, shank of the key 3, gear 4, tooth bar 5 and locking bolt stage clip 6, wherein shank of the key 3 is with gear 4 coaxial installations, and be supported in the support shaft holes that is located at lock body 1 by gear shaft 7, and gear 4 is with tooth bar 5 engagements that are located at locking

bolt

2, and 6 of locking bolt 2 and locking bolt stage clips are sleeved in the set bar groove 8 of being located at lock body 1.The utility model is again at the elongated end suit of gear shaft 7 handle 9 of gear shaft 7 no relative motions together, simultaneously, gear shaft 7 is provided with by lock dog 10, the locking bolt locking device that locking plate 11 and locking plate axial location mechanism form, wherein lock dog 10 is fixed on the gear shaft 7, be provided with the arc surface 13 of the circular hole on the locking plate 11 12 two symmetries movingly with the lock plane 15 of locking plate 11 upper locking grooves 14 two symmetries movingly, circular hole 12 on the locking plate 11 communicates with lock slots 14, locking plate 11 also is inlaid in the guide groove 16 of being located at lock body 1, and locking plate axial location mechanism comprises spring 17 and the axial block piece 18 that is sleeved on gear shaft 7 and acts on locking plate 11.The elongated end of the endoporus of handle 9 and gear shaft 7 is designed to square hole respectively to present embodiment and square shaft is realized the nested relationship of handle 9 with gear shaft 7, be designed to handle 9 spherical simultaneously, and one of suit hides decorated disk 19 between handle 9 is with lock body 1, can also be placed in Handle axis 20 with hiding decorated disk 19, and add axial block piece 21, handle 9 is integral with hiding decorated disk 19.The direction of motion of locking plate 11 is above-below directions, rely on spring 17 and axial block piece 18 with its clamping, and by guide groove 16 guiding, spring 17 adopts the butterfly spring in the present embodiment, axially block piece 18 adopts jump ring, jump ring is flush-mounted in the jump ring groove that is located at lock dog 10, between jump ring is with locking plate 11, can load such as accessories such as packing ring, pawl springs as required.In addition, be used in the axial block piece 21 that hides on the decorated disk 19, present embodiment also adopts jump ring, and is same, also is provided with the jump ring groove on the Handle axis 20.

Claims

1, a kind of washroom door lock, has lock body, locking bolt, shank of the key, gear, tooth bar and locking bolt stage clip, wherein shank of the key is with the coaxial installation of gear, and be supported in the support shaft holes that is located at lock body by gear shaft, and gear is with the tooth bar engagement that is located at locking bolt, locking bolt and locking bolt stage clip then are sleeved in the set bar groove of being located at lock body, it is characterized in that: at the elongated end suit of gear shaft (7) handle (9) of the no relative motion of gear shaft (7) together, simultaneously, gear shaft (7) is provided with by lock dog (10), the locking bolt locking device that locking plate (11) and locking plate axial location mechanism form, wherein lock dog (10) is fixed on the gear shaft (7), be provided with the arc surface (13) of circular hole (12) two symmetries movingly on the same locking plate (11) and the lock plane (15) of same locking plate (11) upper locking groove (14) two symmetries movingly, the same lock slots of circular hole (12) (14) on the locking plate (11) communicates, locking plate (11) also is inlaid in the guide groove (16) of being located at lock body (1), and locking plate axial location mechanism comprises spring (17) and the axial block piece (18) that is sleeved on gear shaft (7) and acts on locking plate (11).