CN201539165U

CN201539165U - Invisible door lock

Info

Publication number: CN201539165U
Application number: CN2009202077638U
Authority: CN
Inventors: 孙兴保; 刁春明
Original assignee: SHANGHAI DUSHI INDUSTRIAL Co Ltd
Current assignee: SHANGHAI DUSHI INDUSTRIAL Co Ltd
Priority date: 2009-08-13
Filing date: 2009-08-13
Publication date: 2010-08-04
Anticipated expiration: 2019-08-13

Abstract

The utility model discloses an invisible door lock, which belongs to the field of locks. The invisible door lock mainly comprises a hinge shaft, a fixing bracket, a brake lever, a pull rod gear, a sealing box and a rack guide groove; wherein the hinge shaft comprises a circular end and a polygonal end, the fixing bracket is fixedly connected with a refrigerator door into a whole, the sealing box is fixed on the fixing bracket, a sealing box door is arranged outside the sealing box, the pull rod gear comprises a pull rod and a gear, wherein the pull rod and the gear adopt an integral structure, one end of the pull rod gear is fixed on the fixing bracket, the other end of the pull rod gear can move up and down along the sealing box, the brake lever comprises a polygonal end and a rack, the rack is meshed with the gear on the pull rod gear, and the brake lever is fixed in the rack guide groove. The invisible door lock is particularly suitable for being taken as the refrigerator door lock, has the advantages of simple structure and skilful design, can prevent the door from being easily opened, and does not affect the overall aesthetics of the refrigerator.

Description

Stealthy door lock

Technical field

The utility model relates to a kind of door lock, and more particularly, the utility model is a kind of stealthy door lock that is used for refrigerator.

Background technology

Existing refrigerator is not provided with door lock usually, so that convenient the unlatching, in the absence of door lock, be easy to be opened by the child, this causes scattering and disappearing of cold air on the one hand, increase the power consumption of refrigerator, on the other hand, because the volume of refrigerator is bigger, the child might enter in the refrigerator, frostbite takes place, and Men Tizhen also might take place and holds impaired situation in refrigerator in transit in addition.

Summary of the invention

In order to solve deficiency of the prior art, the utility model provides a kind of stealthy door lock, and it can prevent that refrigerator doors is opened easily, and integral body is positioned at refrigerator, has safeguarded the overall appearance of refrigerator.

The purpose of this utility model is following excessively technical scheme to realize: stealthy door lock, primary structure comprises: hinge axis, fixed mount, brake bar, the pull bar gear, seal box, tooth bar guide groove etc., hinge axis is by round nose, polygon end two parts are formed, and fixed mount and refrigerator doors fixedly are connected as a single entity, and seal box is fixed on the fixed mount, seal box is outside equipped with the seal box door, the pull bar gear is made up of pull bar and gear two parts, and pull bar and gear are an integral body, pull bar gear one end fixedly be placed on the fixed mount the axle on, the other end can move up and down along seal box, brake bar is made up of polygon end and tooth bar two parts, the gears engaged on tooth bar and the pull bar gear, and brake bar is fixed in the tooth bar guide groove.

Operating principle of the present utility model is: hold the pull bar on the pull bar gear, firmly upwards pulling, the gear that drives simultaneously on the pull bar gear is transported around axle, gear drives brake bar by the engagement with tooth bar and moves up along the tooth bar guide groove, when the polygon end of the polygon end motion on the brake bar to hinge axis, because polygon and the polygon on the brake bar on the hinge axis are the interfix non-circular structure, and then realize cutting with scissors fixedlying connected of limit axle and brake bar, thereby finish the action of locking a door; When needs open the door, spur the pull bar gear downwards, drive brake bar and move down, hinge axis and brake bar break away from, and realize opening the door action.

The utility model makes refrigerator switch door convenient, can effectively prevent to open refrigerator doors when the child from playing, and prevents the generation of hidden danger, and does not influence the overall appearance of refrigerator.

Description of drawings

Fig. 1 is the utility model one specific embodiment figure;

Fig. 2 is the partial enlarged drawing of Fig. 1;

Fig. 3 closes view for the Concealed door locking.

Among the figure: 1 hinge axis, 2 fixed mounts, 3 hinge axis polygon ends, 4 brake bar polygon ends, 5 brake bars, 6 pull bar gears, 7 seal boxes, 8 seal box doors, 9 tooth bar guide grooves, 10 refrigerator Xiamen, 11 stealthy door locks, 12.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described in further detail:

With reference to accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, stealthy door lock is installed in the refrigerator Xiamen 10, by upwards spurring the pull bar gear 6 on the stealthy door lock 11, engagement by wheel and rack, drive brake bar 5 and move up, the polygon part on the brake bar 5 is connected with polygon part interfix on the hinge axis 1, the realization action of locking a door; When needs open the door, pulling pull bar gear 6 drive gear and the engagement of the tooth bar on the brake bar 5 on the pull bar gear 6 simultaneously, and then drive brake bar 5 moves down downwards, polygon part on the hinge axis 1 is partly broken away from polygon on the brake bar 5, realize opening the door action.

With reference to accompanying drawing 2, stealthy door lock, primary structure comprises: hinge axis 1, fixed mount 2, brake bar 5, pull bar gear 6, seal box 7, tooth bar guide groove 9 etc., hinge axis 1 is made up of round nose and hinge axis polygon end 3 two parts, fixed mount 2 fixedly is connected as a single entity with refrigerator doors, seal box 7 is fixed on the fixed mount 2, and seal box 7 is outside equipped with seal box door 8, and pull bar gear 6 is made up of pull bar and gear two parts, pull bar and gear weldering are an integral body, pull bar gear 6 one ends fixedly be placed on the fixed mount 2 the axle 12 on, the other end can move up and down along seal box 7, brake bar 5 is made up of brake bar polygon end 4 and tooth bar two parts, gears engaged on tooth bar and the pull bar gear, brake bar 5 is fixed in the tooth bar guide groove 9.

Claims

1. stealthy door lock, primary structure comprises: hinge axis [1], fixed mount [2], brake bar [5], pull bar gear [6], seal box [7], tooth bar guide groove [9], it is characterized in that hinge axis [1] is made up of round nose and hinge axis polygon end [3] two parts, fixed mount [2] fixedly is connected as a single entity with refrigerator doors, seal box [7] is fixed on the fixed mount [2], seal box [7] is outside equipped with seal box door [8], and pull bar gear [6] is made up of pull bar and gear two parts, and pull bar and gear weldering are an integral body, pull bar gear [6] one ends fixedly are placed on the axle [12] on the fixed mount [2], the other end can move up and down along seal box [7], and brake bar [5] is made up of brake bar polygon end [4] and tooth bar two parts, and brake bar [5] is fixed in the tooth bar guide groove [9].

2. stealthy door lock according to claim 1 is characterized in that, described tooth bar is connected with gears engaged on the pull bar gear.

3. stealthy door lock according to claim 1 is characterized in that, its cross section of described hinge axis polygon end [3] is a polygon.

4. stealthy door lock according to claim 1 is characterized in that, its cross section of described brake bar polygon end [4] is a polygon.