CN2130886Y - Plastic door lock - Google Patents

Abstract

The utility model discloses an ultra-thin plastic door lock composed of a plurality of integral forming elements, which mainly comprises two flat thin shells, a lock core seat, two groups of drive devices, and a lock tongue body; the drive device penetrates out from the groove holes of the two shells, and drive device is also pressed against the lock core seat; the pushing of the drive device can cause a drive sheet in the lock core seat just to relieve the lock tongue body and in movable opening, wherein, the shell on one side is provided with a stop switch used to control the locking of a door lock; as plastic integral forming production is adopted for the elements, the ultra-thin plastic door lock has the advantages of simple structure, easy assembling, flat thin and light integration, and low cost.

Description

Plastic door lock

The utility model relates to a kind of Plastic door lock.

The door lock arrangement of tradition, especially design with the door lock of opening with the pass at general plain type, because it is upward convenient to consider use, how not key operated to cooperate, it is in the majority with the most common horn lock usually, in the use particularly with regard to the washroom, the kitchen is main object, but this horn lock all makes with ferrous material because of the restriction on the structure, because of its element all is that iron material is made, so the complex structure part is numerous, no matter all greatly inconvenience of sense of assembling and manufacturing, in addition, its lock body two ends are all established the head of the trumpet that prolongs protrusion and are opened for holding to outward winding, so unavoidable round is often collided or injure user's (probability of being collided with the child is bigger especially), and lightly not convenient with regard to structure yet, still have some shortcomings to wait to improve.

The purpose of this utility model is to provide a kind of Plastic door lock, and its element is plastics and is made into integration, and makes the formation of door lock more simplify, thereby helps the simplification of the reduction of manufacturing cost and manufacturing and make it be easy to assembly.

According to a kind of Plastic door lock of the present utility model, it is characterized in that it comprises that mainly two flat thin outer crusts, a lock core base, two groups affect one-body molded plastic members such as a device and a lock tongue body; Wherein:

Two flat thin outer crusts, it is the flat pattern of correspondence, its central chosen place is equipped with half arc fluting, half and half arc fluting all offers a slotted eye in both sides, inner angle, wherein a slotted eye is extended with an elongate slot down, and this half arc fluting inner face is established two fixing protruding grains, and one of them is provided with hollow posts two flat thin outer crusts, another shell is then established corresponding hollow column jacket, so that connected locking;

Lock core base, it is a hollow housing, a dead bolt hole is offered in the centre among selected end angle, be provided with two sheets that affect in the housing, respectively affect sheet toward each other, and be nested with by a torsionspring by a hollow lock and be movable rotation with fin, the also pivotally connected stop switch of this lock core base bottom face, use to pin down wherein one affecting sheet to be the clip blocking, and it is distolateral, and to establish two in addition be a row two groups of through holes, each through hole with affect sheet just for corresponding;

Two groups affect device, all be a cuboid, just can be placed in half arc fluting of shell, the both sides of one end are respectively equipped with one and extend the hook post, wherein one group affects two extension hook posts of device to have the potential difference of suitable height, on the described extension hook post or the end face of below also be respectively equipped with a fixing protruding grain, use the ammunition feed spring and hold the location, make this spring other end be resisted against the set fixing protruding grain of shell inner face;

Lock tongue body is made of a dead bolt shell and a dead bolt post, and this dead bolt post has a spring housing to be located at its extension rod and to be placed through among the dead bolt shell in the hole, and dead bolt post end is movable in conjunction with a latch closure with the dead bolt shell and combines;

By above-mentioned member, can make lock core base be locked in a wherein shell, make two shell correspondences sealed, and the shell outer face can plug a spacer and a decoration intermediate plate, utilizes two groups of passing that affect device, can draw the dead bolt post and do a suitable displacement, make door lock be opening, when stop switch props up the extensions hook post of low potential difference, promptly only can be by release in the door, can't be directly from unlatching outdoors.

The utility model cooperates lock core base with two flat thin outer crusts, and two groups affect members such as a device and a lock tongue body to form, and its volume is minimum, light and handy, it is a ultrathin Rational structure, do not have traditional horn lock and protrude the head of the trumpet setting of extension,, can not collide or injure the user yet so the convenient of use can be provided.

The described detailed description of following adjoint embodiment of the present utility model.

Fig. 1 is an exploded perspective view of the present utility model;

Fig. 2 is the exploded perspective view of the lock core base in the utility model;

Fig. 3 is the profile of the lock core base combination back among Fig. 2;

Fig. 4 is the assembled sectional view of the utility model;

Fig. 5 is the combination longitudinal sectional view of the utility model;

Fig. 6 is the three-dimensional exploded view of the lock tongue body of the utility model;

Fig. 7 is the combination stereogram of the utility model;

Fig. 8 in the utility model with the stop switch corresponding matching affect another embodiment of sheet;

Fig. 9 is the stereogram of stop switch in the utility model;

Figure 10 is the exploded perspective view of another embodiment of the lock core base in the utility model;

Figure 11 is the partial cutaway diagrammatic sketch that shell and spacer are installed the back in the utility model;

Figure 12 be in the utility model two shells with the sectional view of hollow posts combination.

As shown in Figure 1, the utility model mainly comprises: two flat thin outer crusts 1,1 ', a lock core base 2, two groups affect device 3,3 ' and integrally moulded member such as a lock tongue body 4; Wherein:

Two flat thin outer crusts 1,1 ' be the flat pattern of correspondence, central chosen place be provided with half arc fluting 11,11 ', half and half arc fluting 11,11 ' all respectively offers a slotted eye 12,13(12 ', 13 ' in the both sides at inner angle), slotted eye 12(12 ' wherein) the elongate slot 121(121 ' of 90 ° of downward extensions is arranged), two flat thin outer crusts 1,1 ' one of them be provided with hollow posts 14 ', another shell 1 is then established corresponding hollow column jacket 14, and the two available screw 15 is locked;

Lock core base 2, it is an empty capsid among the suitable size, a dead bolt hole 21 is offered in the centre among selected end angle, be provided with in its housing two have a fin affect sheet 22,22 ', respectively affect sheet 22,22 ' be (as shown in Figure 2) toward each other, by a hold-down screw 23 location, and affect on the sheet all ring to establish a torsionspring 24 in two, 24 ' and be movable rotation status, these lock core base 2 bottom faces also articulate a stop switch 25, its mat one shell fragment 251 holds and will be wherein one affects sheet 22 ' give the clip location to be blocking (as shown in Figure 3), and it is distolateral, and to establish two in addition be 26 liang of groups of through hole of a row, each through hole 26 with affect sheet 22(22 ') just for corresponding;

Two groups affect device 3,3 ' all are a rectangular case, its size just can be placed in shell 1,1 ' set half arc fluting 11,11 ' in, its housing one end face all is provided with one and extends hook post 31(31 ' in both sides), but wherein one affect device 3 ' set two to extend hook posts 31 ' suitable vertical parallax need be arranged, two affect device 3,3 ' are all extending hook post 31,31 ' on (or place, below) be respectively equipped with a fixing protruding grain 32,32 ', hold the location for a spring 33, and make these spring 33 other ends be resisted against shell 1(1 ') half arc fluting 11(11 ') the set fixing protruding grain 111(111 ' of inner face) (as Fig. 4, shown in Figure 5), make two groups to affect device 3 thereby be the movable telescopic state;

Lock tongue body 4, as shown in Figure 6, be made of a dead bolt shell 41 and a dead bolt post 42, dead bolt post 42 is placed through among the dead bolt shell 41 in the hole 411, the extension rod 421 that one spring 43 is sheathed on dead bolt post 42 is impaction state, dead bolt post 42 ends then in conjunction with a latch closure 44 with dead bolt shell 41 movable combinations;

Utilize above-mentioned member, can make lock core base 2 mats one screw 26 be locked in shell 1 ' among empty double-screw bolt 15 ', affect device 3,3 ' then be placed in two flat thin outer crusts 1,1 ' arc groove 11,11 ' in, with shell 1,1 ' be threaded in opposite directions, two shells 1,1 ' outer face can plug a spacer 16 and a decoration intermediate plate 17 in addition, utilize interlocking can fit in two shells 1,1 ' and constitute a complete plastic cement door lock (referring to shown in Figure 7), cooperate lock tongue body 4 simultaneously, can use for the unlatching or the locking of door lock.

When the utility model uses, it mainly is the door body that is installed on general washroom, kitchen, one of stop switch 25 side shell 1 ' be to be in a body inboard, forbid that for the user extraneous unlatching is used, this stop switch 25 just can be passed and unlocking by the extension hook post 31 ' forward of low potential difference, so door lock can be by interior unlatching, can't be directly from opening outdoors, and the action of these lock tongue body 4 set dead bolt posts 42, be owing to affect device 3(3 ') will affect sheet 22(22 ') promoted, and suitable displacement is done in 42 tractions of dead bolt post, use the closed condition of removing door lock;

As above-mentioned shell 1,1 ', this two shell 1,1 ' all a distance in circumferential edges be provided with a bulge loop 18,18 ', be convenient to holding (not shown) in the default lockhole of door body, in order to two shells 1,1 ' the location and carry out installation work;

Establish in the lock core base 2 of the utility model affect sheet 22 ' and stop switch 25 also can be further implement with following structure, that is:

Affect sheet 22 ' (as shown in Figure 8), its be provided with the upper and lower locating hole 221 of correspondence ', 222 ', both sides then extend be respectively equipped with a fin 223 ', 224 ', an and selected flank sheet 224 ' within the below, side be shaped one suitably within groove 2241 ';

Stop switch 25(is as shown in Figure 9) mainly be to be provided with a suitable inclined-plane 251 in one of drop-center 252 side, an adjacent side of this drop-center 252 is offered a short slot 253 in addition, make this short slot 253 face one of drop-center 252 directions side and also form a suitable inclined-plane 2531, and set locating slot 254 ammunition feed sheets 251 hold the location between two locating shafts 250;

When wherein one group affect the set extension hook post 31 of device 3 ' (promptly being located at an inboard) ' opening the door when action, even the propelling of this extension hook post 31 is stretched into stop switch 25 is backed down via stop switch drop-center 252 1 skew back faces 2521, so its ejection process utilizes inclined-plane 2521 promptly more smooth and easy, the clip situation can not take place.And when stop switch 25 is closed condition (as shown in figure 10), then by the set short slots 253 of stop switch 25 just with affect sheet 22 ' within groove 2241 ' forms card only to limit, this affects sheet 22 ' and door is opened, even if its external force greatly also is the locking arrested state again to guarantee the set extension hook post 31 unlikely promotions that affect device 3 of outer side of door.

In addition, two shells 1,1 ' outer face set bit slice 16, be to form suitable card in its both sides bending part punching press to end shell fragment 161, make this card end shell fragment 161 just wedging shell 1,1 ' set locating slots 19 promptly be automatic card fastening position (as shown in figure 11), so make the installation of shell spacer 16 more simple and easy and finish the location rapidly.

As shown in figure 12, two shells 1,1 ' combination, wherein among void column 14 ' can be formed directly in a convergent straight tube, and after directly inserting with pinning 140, even this hollow posts 14 ' end supports bloated naturally and finishes the location,, more quick and convenient is installed so need not to screw in combination by screw.

Claims (4)

1, a kind of Plastic door lock is characterized in that it comprises that mainly two flat thin outer crusts, a lock core base, two groups affect one-body molded plastic members such as a device and a lock tongue body to form; Wherein:

Two flat thin outer crusts, it is the flat pattern of correspondence, its central chosen place is equipped with half arc fluting, half and half arc fluting all offers a slotted eye in both sides, inner angle, wherein a slotted eye is extended with an elongate slot down, and this half arc fluting inner face is established fixing protruding grain, and one of them is provided with hollow posts two flat thin outer crusts, another shell is then established corresponding hollow column jacket, so that connected locking;

Lock core base, it is a hollow housing, a dead bolt hole is offered in the centre among selected end angle, be provided with two sheets that affect in the housing, respectively affect sheet toward each other, and be nested with by a torsionspring by a hollow lock and be movable rotation with fin, the also pivotally connected stop switch of this lock core base bottom face, use to pin down wherein one affecting sheet to be the clip blocking, and its end face to establish two in addition be a row two groups of through holes, each through hole with affect sheet just for corresponding;

Two groups affect device, all be a cuboid, just can be placed in half arc fluting of shell, the both sides of one end are respectively equipped with one and extend the hook post, wherein one group affects two extension hook posts of device to have the potential difference of suitable height, on the described extension hook post or the end face of below also be respectively equipped with a fixing protruding grain, use the ammunition feed spring and hold the location, make this spring other end be resisted against the set fixing protruding grain of shell inner face;

Lock tongue body is made of a dead bolt shell and a dead bolt post, and this dead bolt post has a spring housing to be located at its extension rod and to be placed through among the dead bolt shell in the hole, and dead bolt post end is movable in conjunction with a latch closure with the dead bolt shell and combines;

By above-mentioned member, can make lock core base be locked in a wherein shell, make two shell correspondences sealed, and the shell outer face can plug a spacer and a decoration intermediate plate, utilizes two groups of passing that affect device, can draw the dead bolt post and do a suitable displacement, make door lock be opening, when stop switch props up the extensions hook post of low potential difference, promptly only can be by release in the door, can't be directly from unlatching outdoors.

2, Plastic door lock according to claim 1, it is characterized in that two flat thin outer crusts all in circumferential edges a distance be provided with a bulge loop.

3, Plastic door lock according to claim 1 is characterized in that lock core base wherein one to affect sheet to be provided with upper and lower locating hole, and the both sides extension respectively is provided with a fin, and the below, side is formed with an inner groovy within the selected flank sheet;

Stop switch is provided with an inclined-plane in one of drop-center side, and an adjacent side of this drop-center is offered a short slot in addition, makes this short slot also form an inclined-plane in a selected side;

4, Plastic door lock according to claim 1 is characterized in that the spacer that two flat thin outer crusts are set in the outer face, can be in its both sides punching press and form suitable card and end shell fragment respectively.

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