CN201087593Y

CN201087593Y - Inclined tongue component of inclined tongue door lock

Info

Publication number: CN201087593Y
Application number: CNU2007200556376U
Authority: CN
Inventors: 曹湛斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-08-17
Filing date: 2007-08-17
Publication date: 2008-07-16
Anticipated expiration: 2017-08-17

Abstract

The utility model discloses an inclined tongue component of an inclined-tongue gate lock, which aims at providing an inclined tongue component of an inclined-tongue gate lock that can effectively prevent a collision-resistant tongue from being blocked on a side plate of a lock shell. The inclined tongue component comprises an inclined tongue, a collision-resistant tongue, a connecting bar and a rotating shaft, wherein, the collision-resistant tongue can be firmly connected in a middle groove of the inclined tongue in a rotary way through the rotating shaft, the connecting bar is firmly connected to the root of the inclined tongue, and a helical spring is arranged between the bottom of the middle groove of the inclined tongue and the root of the collision-resistant tongue. Compared with the prior art, the utility model is free from the phenomenon that the collision-resistant tongue is blocked on the side plate of the lock shell, thereby improving the utilization performance of the lock. The utility model can be widely applicable to the inclined tongue components of different inclined-tongue gate locks.

Description

A kind of oblique tongue assembly of oblique flapper lock

Technical field:

The utility model relates to a kind of oblique tongue assembly of oblique flapper lock.

Background technology:

In existing oblique flapper lock, as shown in Figure 1, tiltedly the tongue assembly mainly is made up of oblique tongue 1, anti-collision tongue 2 and connecting rod 3; The tiltedly both sides of tongue 1 projection and the middle groove that forms; The anti-collision tongue hole 22 that is provided with on the inclined tongue hole 11 that is provided with and the anti-collision tongue 2 is passed on the oblique tongue 1 in rotating shaft 4, anti-collision tongue 2 is connected in the intermediate groove of oblique tongue 1, and anti-collision tongue 2 can 4 tiltedly rotate in tongue 1 intermediate groove around the shaft among a small circle; Connecting rod 3 is connected in the root of oblique tongue 1.The main effect of anti-collision tongue 2 is: before laying the key under the door, tiltedly tongue 1 and anti-collision tongue 2 front ends all stretch out outside the lock housing, and the projection 21 that the root of anti-collision tongue 2 is provided with contacts with the lock housing side plate; When laying the key under the door, the anti-collision tongue arcwall face 23 of anti-collision tongue 2 front ends at first contacts with doorframe, under the extruding of doorframe, anti-collision tongue 2 utilizes anti-collision tongue 2 roots projection 21 to match with the lock housing side plate, root projection 21 contact points with lock housing side plate and anti-collision tongue 2 are fulcrum, other parts of anti-collision tongue 2 are rotated around this fulcrum, utilize rotating shaft 4 to drive oblique tongue 1, with before doorframe contacts in advance oblique tongue 1 is not pushed back certain position in the lock housing at the oblique oblique tongue arcwall face 12 of tongue 1 front end, prevent oblique tongue 1 directly and doorframe rub, anti-collision tongue 2 has the function of guiding and buffering, the impact sound of oblique tongue and doorframe when also reducing to lay the key under the door.

Said structure because anti-collision tongue 2 be not subjected to external force to do the time spent, can 4 freely rotate around the shaft.When anti-collision tongue 2 front ends are fully retracted in the lock housing, the root projection 21 of anti-collision tongue 2 disengages fully with the lock housing side plate, at this moment, anti-collision tongue 2 is not subjected to the external force effect, just can be around the shaft 4 freely swing, if anti-collision tongue 2 turns to improper position, when needs eject the front end of oblique tongue 1 and anti-collision tongue 2 lock housing and lock, it is stuck on the lock housing side plate and make its front end can not effectively eject housing anti-collision tongue 2 to occur, the normal use of influence lock.

The utility model content:

The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of oblique tongue assembly that can effectively prevent the stuck oblique flapper lock on the lock housing side plate of anti-collision tongue is provided.

For achieving the above object, the technical scheme that the utility model is taked is: a kind of oblique tongue assembly of oblique flapper lock comprises oblique tongue 1, anti-collision tongue 2 and connecting rod 3; Anti-collision tongue 2 is connected in rotationally by rotating shaft 4 in the intermediate groove of oblique tongue 1, and connecting rod 3 is connected in the root of oblique tongue 1, it is characterized in that, also is connected with coil spring 5 between the intermediate groove bottom 10 of described oblique tongue 1 and the root 20 of anti-collision tongue 2.

The effect of described coil spring 5 is: when oblique tongue 1 and anti-collision tongue 2 front ends enter in the lock housing fully, though the root of anti-collision tongue 2 projection 21 disengages fully with the lock housing side plate, but anti-collision tongue 2 is in the state that can not freely rotate in the thrust of coil spring 5, promptly is in stable state parallel with oblique tongue 1 or at an angle; When oblique tongue 1 and anti-collision tongue 2 stretched out in lock housing, because anti-collision tongue 2 is under the effect of coil spring 5, the Kong Bingke that anti-collision tongue 2 front ends can directly pass on the lock housing side plate effectively stretched out, and anti-collision tongue 2 stuck phenomenons on the lock housing side plate can not occur.

Described connecting rod 3 is connectors that described oblique tongue 1 and other mechanism in the lock body form interlock.

The utility model can also be: in order to prevent that coil spring 5 from skew in use taking place fall, at the root 20 of anti-collision tongue 2, promptly with the bottom 20 of the intermediate groove of oblique tongue 1 bottom 10 corresponding anti-collision tongues 2 on, head end limited post 7 is set; Perhaps, tail end limited post 6 is set in the intermediate groove bottom 10 of oblique tongue 1.By head end limited post 7 or tail end limited post 6 are set, make coil spring 5 only can stretch vertically and can radially not be offset, thereby guarantee that coil spring 5 keeps normal operating conditions.The tail end limited post 6 of the described intermediate groove bottom 10 that is arranged on oblique tongue 1 can be provided with separately, also can be for after the top of connecting rod 3 pass the root of oblique tongue 1, and the projection that in the intermediate groove of oblique tongue 1, forms.No matter be head end limited post 7 or tail end limited post 6, its height is advisable with the spring filament diameter greater than coil spring 5, promptly can form radial location to coil spring 5 and prevent to be offset and fall and don't influence the rotation space of anti-collision tongue 2 in the intermediate groove of oblique tongue 1.

The utility model can also be: in order to prevent that coil spring 5 from skew in use taking place fall, at the root 20 of anti-collision tongue 2 or the intermediate groove bottom 10 of oblique tongue 1 pit that matches with coil spring 5 can also be set, described coil spring 5 is inserted in the described pit, also can be so that coil spring 5 only can stretch vertically and can radially not be offset, thus guarantee that coil spring 5 is in normal operating condition.

The utility model can also be: in order to prevent that coil spring 5 from skew in use taking place fall, the tail end of described coil spring 5 is connected with the intermediate groove bottom 10 of oblique tongue 1, and the root 20 of the head end of perhaps described coil spring 5 and anti-collision tongue 2 is connected.

Because the utility model adopts the scheme that is connected coil spring 5 between the root 20 of oblique tongue 1 intermediate groove bottom 10 and anti-collision tongue 2, compare with prior art, outside anti-collision tongue 2 is had in keeping prior art the guiding and buffering function, can also further effectively prevent anti-collision tongue 2 stuck phenomenons on the lock housing side plate, thereby improve the functional performance of lock.

The utility model can be widely used in the oblique tongue assembly of all kinds of oblique flapper locks.

Description of drawings

Fig. 1 is the prior art constructions exploded view;

Fig. 2 is the STRUCTURE DECOMPOSITION figure of the utility model embodiment one;

Fig. 3 is the assembly drawing of the utility model embodiment one;

Fig. 4 is the STRUCTURE DECOMPOSITION figure of the utility model embodiment two;

Fig. 5 is the STRUCTURE DECOMPOSITION figure of the utility model embodiment three.

The specific embodiment

Below in conjunction with accompanying drawing, further specify the specific embodiment of the present utility model:

Embodiment one: as Fig. 2, shown in Figure 3, a kind of oblique tongue assembly of oblique flapper lock comprises oblique tongue 1, anti-collision tongue 2 and connecting rod 3; Tiltedly top one side of tongue 1 is curved, is formed with groove and has bottom portion of groove 10 in the middle of the symmetry projection of both sides; Top one side of anti-collision tongue 2 is also curved, and itself and bottom portion of groove 10 pairing bottom surfaces are called the root 20 of anti-collision tongue 2.Be respectively arranged with inclined tongue hole 11 and anti-collision tongue hole 22 on described oblique tongue 1 and the anti-collision tongue 2, inclined tongue hole 11 is passed in rotating shaft 4 and anti-collision tongue hole 22 is connected anti-collision tongue 2 in the intermediate groove of oblique tongue 1, and connecting rod 3 is connected in the root of oblique tongue 1; On the intermediate groove bottom 10 of oblique tongue 1, tail end limited post 6 is set, between the root 20 of the intermediate groove bottom 10 of oblique tongue 1 and anti-collision tongue 2, also be connected with coil spring 5, the tail end of described coil spring 5 is enclosed within on the described tail end limited post 6, and be connected on the intermediate groove bottom 10 of described oblique tongue 1, the head end of described coil spring 5 withstands on the root 10 of described anti-collision tongue 2 and forms with described anti-collision tongue 2 and to be connected; Described tail end limited post 6 is for after the top of connecting rod 3 passes the root of oblique tongue 1, the projection that forms in the intermediate groove of oblique tongue 1.Described connecting rod 3 is connectors that described oblique tongue 1 and other mechanism in the lock body form interlock.

The course of work: in door opening state, under the effect of connecting rod 3, tiltedly the front end of tongue 1 and the front end of anti-collision tongue 2 stretch out outside the lock housing naturally, because anti-collision tongue 2 roots projection 21 interacts with the lock housing side plate, the anti-collision tongue arcwall face 23 of anti-collision tongue 2 front ends protrudes slightly than the oblique tongue arcwall face 12 of oblique tongue 1 front end.

When laying the key under the door, because the anti-collision tongue arcwall face 23 of anti-collision tongue 2 front ends protrudes slightly than the oblique tongue arcwall face 12 of oblique tongue 1 front end, therefore, the anti-collision tongue arcwall face 23 of anti-collision tongue 2 front ends at first contacts with doorframe, under the extruding of doorframe, utilize anti-collision tongue 2 roots projection 21 to match again with the lock housing side plate, other parts of anti-collision tongue 2 will be that fulcrum rotates with lock housing side plate and anti-collision tongue 2 roots projection 21 contact points, thereby can utilize rotating shaft 4 to drive oblique tongue 1, with before doorframe contacts in advance oblique tongue 1 is not pushed back certain position in the lock housing at the oblique oblique tongue arcwall face 12 of tongue 1 front end, prevent oblique tongue 1 directly and doorframe rub, reduce the impact sound of oblique at closing time tongue 1 and doorframe, subsequently, under the extruding of doorframe, anti-collision tongue 2 front ends and oblique tongue 1 front end enter in the lock housing fully.

After anti-collision tongue 2 front ends enter in the lock housing fully, anti-collision tongue 2 roots projection 21 also disengages with the lock housing side plate, if between the root of the intermediate groove bottom of anti-collision tongue 2 and anti-collision tongue 2, be not connected spring 5, anti-collision tongue 2 just can 4 tiltedly freely rotate in tongue 1 intermediate groove around the shaft, if turn to inappropriate position, the front end of anti-collision tongue 2 with regard to may be stuck in lock housing and can not stretch out.After spring 5 is set, utilize 5 pairs of anti-collision tongues of spring 2 to carry out balance and location, can prevent that anti-collision tongue 2 from tiltedly freely rotating in tongue 1 intermediate groove, when the front end of anti-collision tongue 2 with when tiltedly the front end of tongue 1 slips over doorframe and enters the inclined tongue hole that is provided with on the doorframe, under the effect of connecting rod 3, anti-collision tongue 2 front ends and tiltedly tongue 1 front end just can effectively stretch out lock housing and enter in the inclined tongue hole on the doorframe.

Embodiment two: as shown in Figure 4, on the basis of embodiment one, one pit is set on the intermediate groove bottom 10 of oblique tongue 1 replaces the set tail end limited post 6 of embodiment one, described spring 5 is arranged in the pit and is connected on the intermediate groove bottom 10 of oblique tongue 1, and all the other members and annexation are identical with embodiment one.

The course of work is identical with embodiment one.

Embodiment three: as shown in Figure 5, a kind of oblique tongue assembly of oblique flapper lock comprises oblique tongue 1, anti-collision tongue 2 and connecting rod 3; Tiltedly top one side of tongue 1 is curved, is formed with groove and has bottom portion of groove 10 in the middle of the symmetry projection of both sides; Top one side of anti-collision tongue 2 is also curved, and itself and bottom portion of groove 10 pairing bottom surfaces are called the root 20 of anti-collision tongue 2.Be respectively arranged with inclined tongue hole 11 and anti-collision tongue hole 22 on described oblique tongue 1 and the anti-collision tongue 2, inclined tongue hole 11 is passed in rotating shaft 4 and anti-collision tongue hole 22 is connected anti-collision tongue 2 in the intermediate groove of oblique tongue 1, and connecting rod 3 is connected in the root of oblique tongue 1; On the bottom 20 of anti-collision tongue 2, head end limited post 7 is set, between the root 20 of the intermediate groove bottom 10 of oblique tongue 1 and anti-collision tongue 2, also be connected with coil spring 5, the head end of described coil spring 5 is enclosed within on the described head end limited post 7, and be connected on the root 20 of described anti-collision tongue 2, the tail end of described coil spring 5 withstands on the intermediate groove bottom 10 of described oblique tongue 1 and forms with described oblique tongue 1 and to be connected.Described connecting rod 3 is connectors that described oblique tongue 1 and other mechanism in the lock body form interlock.

The course of work is identical with embodiment one.

Claims

1. the oblique tongue assembly of an oblique flapper lock, comprise oblique tongue (1), anti-collision tongue (2), connecting rod (3) and rotating shaft (4), anti-collision tongue (2) is connected in the intermediate groove of oblique tongue (1) rotationally by rotating shaft (4), connecting rod (3) is connected in the root of oblique tongue (1), it is characterized in that: also be connected with coil spring (5) between the root (20) of (10) and anti-collision tongue (2) bottom the intermediate groove of described oblique tongue (1).

2. the oblique tongue assembly of oblique flapper lock according to claim 1, it is characterized in that: the root of described anti-collision tongue 2 (20) also is provided with head end limited post (7), and the head end of described spring (5) is enclosed within on the described head end limited post (7).

3. the oblique tongue assembly of oblique flapper lock according to claim 1 is characterized in that: the intermediate groove bottom (10) of described oblique tongue (1) also is provided with tail end limited post (6), and the tail end of described spring (5) is enclosed within on the described tail end limited post (6).

4. the oblique tongue assembly of oblique flapper lock according to claim 3 is characterized in that: described tail end limited post (6) is for after the top of connecting rod (3) passes the root of oblique tongue (1), the projection that forms in the intermediate groove of oblique tongue (1).

5. the oblique tongue assembly of oblique flapper lock according to claim 1, it is characterized in that: the intermediate groove bottom of the root of described anti-collision tongue 2 or oblique tongue (1) also is provided with the pit that matches with spring (5), and be inserted in the described pit end of described spring (5).

6. according to the oblique tongue assembly of claim 1,2,3,4 or 5 described oblique flapper locks, it is characterized in that: the head end of described spring (5) is connected on the root (20) of described anti-collision tongue (2).

7. according to the oblique tongue assembly of claim 1,2,3,4 or 5 described oblique flapper locks, it is characterized in that: the tail end of described spring (5) is connected on the intermediate groove bottom (10) of described oblique tongue (1).