CN202596373U

CN202596373U - Novel bolt

Info

Publication number: CN202596373U
Application number: CN 201220281836
Authority: CN
Inventors: 宋胜国
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-06-12
Filing date: 2012-06-12
Publication date: 2012-12-12
Anticipated expiration: 2022-06-12

Abstract

The utility model provides a novel bolt, comprising a drive link, and a limiting bolt fixedly connected with the drive link, wherein the limiting bolt is positioned by a positioning hole formed on a door frame, and wherein a movable bolt sleeve is further sleeved outside the limiting bolt; the end face of the movable bolt sleeve is a conical surface; the bottom of the movable bolt sleeve is further connected with the drive link through an elastic component; the minimum diameter of the end face of the movable bolt sleeve is smaller than the diameter of the positioning hole; and the maximum diameter of the end face of the movable bolt sleeve is greater than the diameter of the positioning hole. With the technical scheme, when the bolt enters the positioning hole by an effective depth, the elastic component can always push the movable bolt sleeve to press the positioning hole in the presence of the movable bolt sleeve even though the diameter of the bolt is smaller than the diameter of the positioning hole; and as the end face of the movable bolt sleeve is the conical surface, the effect of firm connection of the bolt and the positioning hole can be achieved finally.

Description

A kind of novel keeper

Technical field

The utility model belongs to the component of security door, is specifically related to a kind of novel security door keeper.

Background technology

The security door kind is a lot of in the market, mainly can be divided into: common vertical hinged door, door in door, composite door, clamshell doors and composite gate, and wherein composite door and clamshell doors generally are used for family's bigger dwelling house of doorframe of registering one's residence; Promptly guarantee easy access at ordinary times, also can let big furniture move into easily, promptly the range of application of composite door is also relatively wider; Composite door is as the term suggests comprise big door leaf 6 and wicket fan 7, and generally wicket fan 7 all is to be in closed condition, and wicket fan 7 also can be called fixedly door leaf 7; Big door leaf 6 can be called swing leaf 6, and using at ordinary times only needs to open and close swing leaf 6 and get final product, when the bigger entering space of needs; Then can open fixedly door leaf 7, thus all be to adopt keeper to be connected when fixedly door leaf 7 is flat with doorframe is spacing, specifically referring to Fig. 1; But because the restriction of processing technology is with concrete when security door is installed, the locating hole on the doorframe and fixedly the keeper of door leaf be not necessarily close-connectedly fully, promptly keeper can be slightly less than locating hole; The situation that then can occur becoming flexible is then after two door leafs all cut out, if fixedly loosening situation appears in door leaf 7; Then the thief can destroy security door through loosening gap, and its security performance just can not get guarantee, maybe be owing to such reason; In the prior art, some producers can adopt the method for locating hole and keeper offset, make it when mounted; Fastening effect can be arranged, but effect is often unsatisfactory, when especially in use controlling switch control two keepers arriving its separately locating hole up and down; Because there is skew in the position, then can usually have a keeper can't enter in the locating hole smoothly, understands centering control switch like this and in course of action, causes damage.

Summary of the invention

The utility model is in order to solve the technical problem of mentioning in the background technology, and a kind of simple in structure, novel security door keeper of can auto-control reaching tight connection effect then is provided.

In order to reach technique effect above-mentioned, the utility model adopts following technical scheme:

A kind of novel keeper; The spacing keeper that comprises kinematic link, is fixedly connected with kinematic link; Locating hole location on spacing keeper and the doorframe, it is characterized in that: said spacing keeper also is with a movable bolt cover outward, and the end face of said movable bolt cover is a conical surface; The bottom of movable bolt cover also is connected with kinematic link through elastomeric element, and the minimum diameter of said movable bolt cover end face is less than the diameter of locating hole.

The maximum gauge of said movable bolt cover end face is greater than locating hole.

The maximum gauge of said movable bolt cover end face is equal to or less than locating hole, and when fixedly door leaf cut out, the shaft core position of spacing keeper was opened direction with respect to the locating hole center of circle to fixing door leaf and squinted.

After adopting above technical scheme: after keeper enters into the locating hole effective depth; Though the diameter of keeper is less than the locating hole diameter; But because the existence of movable bolt cover; Elastomeric element promotion activity always bolt cover because the end face of movable bolt cover is a conical surface, then can reach the close-connected effect of keeper and locating hole to the locating hole compressing at last.

Description of drawings

Fig. 1 is the structural representation of composite door in the prior art;

Fig. 2 is the structural representation of the utility model;

Fig. 3 is the structural representation of the utility model keeper when being connected with locating hole;

Structural representation when Fig. 4 is the utility model keeper with locating hole skew is connected.

The specific embodiment

Referring to Fig. 1, Fig. 2, Fig. 3; A kind of novel keeper comprises kinematic link 1, the spacing keeper 2 that is fixedly connected with kinematic link 1, and spacing keeper 2 is located with the locating hole 8 on the doorframe; Also be with a movable bolt cover 3 outside the spacing keeper 2; The end face of movable bolt cover 3 is a conical surface 4, and the bottom of movable bolt cover 3 also is connected with kinematic link 1 through elastomeric element 5, and movable bolt overlaps the diameter of the minimum diameter of 3 end faces less than locating hole.

Further explanation for the utility model size: the diameter of spacing keeper 2 is less than locating hole 8, and movable bolt overlaps the minimum diameter of 3 end faces also less than locating hole 8, and movable bolt overlaps the maximum gauge of 3 end faces greater than locating hole 8.

The concrete assembling of the utility model is explained:

Embodiment 1

Referring to Fig. 1, Fig. 3, kinematic link 1 is connected with the fixing switching mechanism of door leaf 7, and switching mechanism can be adopted unidirectional gauge tap; Concrete fixedly door leaf 7 can be installed one of the keeper of the utility model, promptly is installed in the fixedly upper surface or the lower surface of door leaf 7, also can be simultaneously respectively in that fixedly the upper surface and the lower surface of door leaf 7 are provided with keeper; Certainly for more close-connected words, also several keepers can be installed, control switch in then need adopting here; The output of kinematic link 1 is fixedly connected a spacing keeper 2 then, and the diameter of its spacing keeper 2 is slightly less than the diameter of the locating hole 8 that is inserted into, and also is with a movable bolt cover 3 outside the spacing keeper 2; The end face of movable bolt cover 3 is a conical surface 4, if the poroid of locating hole 8 is rectangle, then movable bolt cover 4 can adopt the structure of four sides awl; The poroid of same locating hole 8 is circular; Then movable bolt cover 3 can adopt taper seat, and the like according to the poroid end surface shape that adopts movable bolt cover 3 of locating hole 8, its objective is that the end face in order to make movable bolt cover 3 closely contacts with locating hole; The bottom of movable bolt cover 3 also is connected with kinematic link 1 through elastomeric element 5; Specifically, be that a big spring is arranged between kinematic link 1 and the movable bolt cover 3, the diameter of spacing keeper 2 is less than locating hole; The minimum diameter that movable bolt overlaps 3 end faces is also less than locating hole, and movable bolt overlaps the maximum gauge of 3 end faces greater than locating hole.

Except the diameter dimension requirement of the utility model above-mentioned, also there is a kind of more preferred construction:

Embodiment 2

Referring to Fig. 1,, Fig. 4, kinematic link 1 is connected with the fixing switching mechanism of door leaf 7; Switching mechanism can be adopted unidirectional gauge tap, and specifically fixedly door leaf 7 can be installed one of the keeper of the utility model, promptly is installed in the fixedly upper surface or the lower surface of door leaf 7; Also can be simultaneously in the fixedly upper surface and the lower surface of door leaf 7 keeper be set respectively,, also several keepers can be installed certainly for more close-connected words; Here control switch in then need adopting, the output of kinematic link 1 is fixedly connected a spacing keeper 2 then, and the diameter of its spacing keeper 2 is slightly less than the diameter of the locating hole that is inserted into; Also be with a movable bolt cover 3 outside the spacing keeper 2; The end face of movable bolt cover 3 is a conical surface 4, and the maximum gauge that movable bolt overlaps 3 end faces is equal to or less than locating hole, when fixedly door leaf cuts out; The shaft core position of spacing keeper 2 is opened the direction skew with respect to locating hole 8 centers of circle to fixing door leaf; The mounting means of this skew formula its objective is that bolt can eliminate all gaps of rocking behind the door, and sled is tight more more to make its location.

In addition, the keeper of the utility model not necessarily can only use on fixing door leaf 7, also can use on the Anti-theft door and window of swing leaf 6 or other types, promptly is applicable on other Anti-theft door and windows of this area, can also be applied on the latch of the various world.

The course of work of the utility model: stir the fixedly switch of door leaf; The drive kinematic link is movable, makes spacing keeper enter in the locating hole 8, in this process; Locating hole 8 offsets with the end face that movable bolt overlaps always; Then played close-connected effect, if adopt the skew formula structure of embodiment 2, then locating hole 8 can be locked to connect airtight in the door leaf open side and touch with movable bolt.

The beneficial effect of the utility model: after keeper enters into locating hole 8 effective depths, though the diameter of keeper is less than the locating hole diameter, because the existence of movable bolt cover; Elastomeric element promotion activity always bolt cover is to locating hole 8 compressings; Because the end face of movable bolt cover is a conical surface, then can reach keeper and locating hole 8 close-connected effects at last, thereby reduce significantly security door when production debugging difficulty and when reality is installed first debugging difficulty; I.e. installation first originally need be carried out the grinding debugging to keeper; So just can directly omit this step, simultaneously than usual keeper directly be inserted in the locating hole more fastening, promptly because the existence of movable bolt cover and elastomeric element; And under fixing door leaf closed condition; If have the people to pull or shake the fixedly situation of door leaf, that can make movable bolt be enclosed within the effect of spring and closely contact with locating hole more, the situation of pulling more fastening and more fastening promptly occur; Make the security performance of security door increase substantially, cost of production reduces.

Claims

1. novel keeper; Comprise kinematic link (1), the spacing keeper (2) that is fixedly connected with kinematic link (1); Spacing keeper (2) is located with the locating hole on the doorframe; It is characterized in that: the outer movable bolt cover (3) that also is with of said spacing keeper (2); The end face of said movable bolt cover (3) is a conical surface (4), and the bottom of movable bolt cover (3) also is connected with kinematic link (1) through elastomeric element (5), and the minimum diameter of said movable bolt cover (3) end face is less than the diameter of locating hole.

2. a kind of novel keeper according to claim 1 is characterized in that: the maximum gauge of said movable bolt cover (3) end face is greater than locating hole.

3. a kind of novel keeper according to claim 1; It is characterized in that: the maximum gauge of said movable bolt cover (3) end face is equal to or less than locating hole; When fixedly door leaf cut out, the shaft core position of spacing keeper (2) was opened the direction skew with respect to the locating hole center of circle to fixing door leaf.