CN201363013Y - Latch lock - Google Patents
Latch lock Download PDFInfo
- Publication number
- CN201363013Y CN201363013Y CNU2009201056899U CN200920105689U CN201363013Y CN 201363013 Y CN201363013 Y CN 201363013Y CN U2009201056899 U CNU2009201056899 U CN U2009201056899U CN 200920105689 U CN200920105689 U CN 200920105689U CN 201363013 Y CN201363013 Y CN 201363013Y
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- CN
- China
- Prior art keywords
- transmission arm
- hole
- lock body
- tongue
- straight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a latch lock which is provided with a lock body barrel, and a straight dog, a transmission arm, and an actuating arm are sequentially arranged in the lock body barrel, the front end of the transmission arm is rotationally connected with the rear end of the straight dog by a hollow pin, the rear end of the transmission arm is rotationally connected with one end of the actuating arm by a pin, and the other end of the actuating arm is provided with a square hole which is inserted with an unlocking device; a straight dog stroke locating spring is arranged in the hollow pin, and the two ends of the spring are provided with straight dog stroke locating steel balls; a blind hole is arranged at the rear part of the straight dog, and a transmission arm locating spring and a transmission arm locating steel ball are sequentially arranged in the blind hole; the front end of the transmission arm is a fish head mouth shape, and the fish head mouth at front end of the transmission arm is connected with the transmission arm locating steel ball; a pair of plug-in holes for plugging the unlocking device and two pairs of straight dog stroke locating holes are arranged on the lock body barrel, a notch is arranged on the lock body barrel above the transmission arm; a panel is arranged, and a straight dog through hole is arranged on the panel, and the front end of the lock body barrel is fixedly connected with the straight dog through hole. The latch lock is firm and durable, the location of the straight dog is accurate and the cost is low.
Description
Technical field
The utility model relates to lockset, particularly a kind of latch lock.
Background technology
The latch lock is to use very general lockset in the daily life.The latch lock is installed in the door limit interlayer of door leaf, the doorframe opposite position has straight tongue hole, be provided with the straight tongue that inserts straight tongue hole movably, the transmission component that drives straight tongue activity in the lock body, actuating arm in the transmission component is connected with the spanner of unblanking, pull the spanner of unblanking straight tongue is moved back and forth in straight tongue hole, realize the switching of latch lock.But generally all there is the cost height that causes owing to structure design is unreasonable in existing latch lock, easily becomes flexible even shortcoming such as damage inefficacy, not only latch is locked the acquisition expenses height, and in use the latch lock becomes flexible, damages to lose efficacy and also can bring very big worry and economic loss to the customer.
Summary of the invention
For overcoming the shortcoming of prior art, goal of the invention of the present utility model provides a kind of lock body firm and durable, straight tongue accurate positioning gear is clearly demarcated, lock body tube processing and fabricating is simple, cost is low latch lock.
The purpose of this utility model is achieved in that a kind of latch lock, and a lock body tube is arranged, and in the described lock body tube straight tongue, transmission arm, actuating arm is housed successively; Described transmission arm front end and described straight tongue rear end are rotationally connected by a hollow bearing pin, and an end of described transmission arm rear end and described actuating arm is rotationally connected by a bearing pin, and the other end of described actuating arm is provided with the square hole of plug-in mounting unlocking apparatus; Straight tongue stroke retainer spring is housed in the described hollow bearing pin, and this both ends of the spring is equipped with straight tongue stroke positioning ball; Described straight back of tongue has a blind hole, and transmission arm retainer spring and transmission arm positioning ball are housed in this blind hole successively; The front end of described transmission arm is a fish mouth shape, and a described transmission arm front end fish mouth is connected with described transmission arm positioning ball; Described lock body tube is provided with plug-in opening and two pairs of straight tongue stroke locating holes of a pair of plug-in mounting unlocking apparatus; On the lock body tube of described transmission arm top a fluting is arranged; One panel is arranged, tongue is arranged always by the hole on this panel, described lock body tube front end is fixedlyed connected by the hole with described straight tongue.
Described transmission arm is formed by stacking by the identical iron plate of two plate shapes.
The hole of described straight tongue by the hole be along being provided with chamfering, and the hole of described straight tongue by the hole is along the last projection that also is provided with, and described lock body tube front end has a groove, and described lock body tube front end is connected by the hole riveted and fixed with described straight tongue, and described projection and described groove are chimeric.
Described lock body tube is that steel plate pipe crimping behind cross cutting forms.
Described lock body tube one side has the screw of tongue screens always counterbore, in this straight tongue screens screw counterbore straight tongue screens screw is housed.
The beneficial effect that the utility model produces is:
1, since panel of the present utility model on straight tongue by the hole, hole along being provided with chamfering, straight tongue passes through the hole in hole along a last projection in addition, lock body tube front end has a groove, to lock body tube front end adopts riveting process to fixedly connected with straight tongue by the hole, lock body tube front end edge is turned up and straight tongue is combined closely along the chamfering that is provided with by the hole, hole, guaranteed that panel can not come off, and straight tongue is chimeric with the groove of lock body tube front end along last projection by the hole, hole, guaranteed that the loosening phenomenon of rotation mutually, firm and durable can not appear in panel and lock body tube.
2, because the utility model has adopted straight back of tongue to be provided with to be equipped with successively in blind hole, the blind hole front end of transmission arm retainer spring and transmission arm positioning ball, transmission arm is that the transmission arm location structure that a fish mouth shape, a transmission arm front end fish mouth are connected with the transmission arm positioning ball designs, make transmission arm when two extreme positions of straight tongue, keeping straight line to stablize with straight tongue contacts, transmission arm is played positioning action.
3, because lock body tube one side of the present utility model has the screw of tongue screens always counterbore, in this straight tongue screens screw counterbore straight tongue screens screw is housed, can guarantees that straight tongue and coupled transmission arm, actuating arm can not skid off or come off from lock body tube rear end in the utility model packing, transportation, installation process.
4, because lock body tube of the present utility model adopts steel plate pipe crimping behind cross cutting to form, processing and fabricating is simple; In addition transmission arm front end and being rotationally connected of straight tongue rear end adopt by a hollow bearing pin be rotationally connected and hollow bearing pin in the straight tongue stroke location structure of straight tongue stroke retainer spring, straight tongue stroke positioning ball is housed, make that the utility model tongue accurate positioning rational in infrastructure, straight gear is clearly demarcated, the processing and fabricating cost is low.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is a upward view of the present utility model;
Fig. 2 is a right view of the present utility model;
Fig. 3 is a front view of the present utility model;
Fig. 4 is a left view of the present utility model;
Fig. 5 is a vertical view of the present utility model;
Fig. 6 is a rear elevation of the present utility model;
Fig. 7 is an internal construction sectional view of the present utility model;
Fig. 8 is straight tongue of the present utility model and transmission arm connecting portion sectional view.
The specific embodiment
Embodiment:
Present embodiment provides an optimum implementation of the present utility model, and referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, the latch lock in the present embodiment has a lock body tube 6, in the lock body tube straight tongue 1, transmission arm 13, actuating arm 14 is housed successively; The transmission arm front end is rotationally connected by a hollow bearing pin 21 with straight tongue rear end, and an end of transmission arm rear end and actuating arm is rotationally connected by a bearing pin 22, and the other end of actuating arm is provided with the square hole 8 of plug-in mounting unlocking apparatus; Straight tongue stroke retainer spring 23 is housed in the hollow bearing pin, and this both ends of the spring is equipped with straight tongue stroke positioning ball 20; Straight back of tongue has a blind hole 17, and transmission arm retainer spring 18 and transmission arm positioning ball 19 are housed in this blind hole successively; The front end of transmission arm is a fish mouth shape, and a transmission arm front end fish mouth is connected with the transmission arm positioning ball; Lock body tube is provided with plug-in opening 9 and two pairs of straight tongue stroke locating holes 5,7 of a pair of plug-in mounting unlocking apparatus; One fluting 2 is arranged on the lock body tube of transmission arm top; One panel 4 is arranged, tongue is arranged always by hole 16 on this panel, lock body tube front end is fixedlyed connected by the hole with tongue directly.
It is the transmission arm location structure design that a fish mouth shape, a transmission arm front end fish mouth are connected with the transmission arm positioning ball that the utility model has adopted straight back of tongue to be provided with to be equipped with successively in blind hole, the blind hole front end of transmission arm retainer spring and transmission arm positioning ball, transmission arm, make transmission arm when two extreme positions of straight tongue, keeping straight line to stablize with straight tongue contacts, transmission arm is played positioning action.
In the present embodiment, transmission arm is formed by stacking by the identical iron plate of two plate shapes.The superimposed back of two transmission arm front ends is rotationally connected with hollow bearing pin and is rotationally connected by this hollow bearing pin and straight tongue rear end, and two transmission arm rear end partings and actuating arm are rotationally connected by bearing pin.
In the present embodiment, the hole of straight tongue by the hole be along being provided with the chamfering (not shown), and the hole of straight tongue by the hole is along the last projection 10 that also is provided with, and lock body tube front end has a groove 15, and lock body tube front end is installed by the hole riveted and fixed with straight tongue, and projection is chimeric with groove.To lock body tube front end adopts riveting process to fixedly connected with straight tongue by the hole, under the effect of riveting machine, lock body tube front end edge is turned up and straight tongue is combined closely along the chamfering that is provided with by the hole, hole, guaranteed that panel can not come off, and straight tongue is chimeric with the groove of lock body tube front end along last projection by the hole, hole, guaranteed that the loosening phenomenon of rotation mutually, firm and durable can not appear in panel and lock body tube.
In the present embodiment, lock body tube is that steel plate pipe crimping behind cross cutting forms, pipe crimping manufacture craft behind the employing cross cutting, and processing is simple, and cost is low.
In the present embodiment, lock body tube one side has the screw of tongue screens always counterbore 12, in this straight tongue screens screw counterbore straight tongue screens screw 3 is housed.Straight tongue screens screw is set guarantees that straight tongue and coupled transmission arm, actuating arm can not skid off or come off from lock body tube rear end in the utility model packing, transportation, installation process.
The utility model can be installed in the door limit interlayer of door leaf, screw hole 11 is arranged on the panel of the present utility model, with screw the utility model is fixed on the door, the doorframe opposite position has straight tongue hole, dispose a unlocking apparatus, unlocking apparatus can be a spanner of unblanking that has square bar, the spanner of unblanking is installed in the square hole of actuating arm.When straight tongue places in the lock body tube fully, straight tongue stroke positioning ball places in the straight tongue stroke locating hole of locking on the body tube 7 under the effect of straight tongue stroke retainer spring, the turn spanner rotational drive arm of unblanking, actuating arm carries out 180 degree and rotates, and the promotion transmission arm, transmission arm promotes straight tongue extending panel, enters in the straight tongue hole of doorframe correspondence, straight tongue stroke positioning ball is in the straight tongue stroke locating hole 5 that enters under the effect of straight tongue stroke retainer spring on lock body tube the time, and directly the tongue stroke is to the position of locking a door.The opposite spin spanner of unblanking, the spanner rotational drive arm of unblanking, the reverse 180 degree rotations of actuating arm, and drive transmission arm, transmission arm drives in the straight tongue retraction panel, straight tongue stroke positioning ball is in the straight tongue stroke locating hole 7 that enters under the effect of straight tongue stroke retainer spring on lock body tube the time, and directly the tongue stroke is to the position of opening the door.
Claims (5)
1, a kind of latch lock is characterized in that: a lock body tube is arranged, in the described lock body tube straight tongue, transmission arm, actuating arm are housed successively; Described transmission arm front end and described straight tongue rear end are rotationally connected by a hollow bearing pin, and an end of described transmission arm rear end and described actuating arm is rotationally connected by a bearing pin, and the other end of described actuating arm is provided with the square hole of plug-in mounting unlocking apparatus; Straight tongue stroke retainer spring is housed in the described hollow bearing pin, and this both ends of the spring is equipped with straight tongue stroke positioning ball; Described straight back of tongue has a blind hole, and transmission arm retainer spring and transmission arm positioning ball are housed in this blind hole successively; The front end of described transmission arm is a fish mouth shape, and a described transmission arm front end fish mouth is connected with described transmission arm positioning ball; Described lock body tube is provided with plug-in opening and two pairs of straight tongue stroke locating holes of a pair of plug-in mounting unlocking apparatus; On the lock body tube of described transmission arm top a fluting is arranged; One panel is arranged, tongue is arranged always by the hole on this panel, described lock body tube front end is fixedlyed connected by the hole with described straight tongue.
2, latch lock according to claim 1, it is characterized in that: described transmission arm is formed by stacking by the identical iron plate of two plate shapes.
3, latch lock according to claim 1, it is characterized in that: the hole of described straight tongue by the hole is along being provided with chamfering, the hole of described straight tongue by the hole is along the last projection that also is provided with, described lock body tube front end has a groove, described lock body tube front end is connected by the hole riveted and fixed with described straight tongue, and described projection and described groove are chimeric.
4, latch lock according to claim 1, it is characterized in that: described lock body tube is that steel plate pipe crimping behind cross cutting forms.
5, latch lock according to claim 1, it is characterized in that: described lock body tube one side has the screw of tongue screens always counterbore, in this straight tongue screens screw counterbore straight tongue screens screw is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201056899U CN201363013Y (en) | 2009-02-11 | 2009-02-11 | Latch lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201056899U CN201363013Y (en) | 2009-02-11 | 2009-02-11 | Latch lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201363013Y true CN201363013Y (en) | 2009-12-16 |
Family
ID=41473675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201056899U Expired - Lifetime CN201363013Y (en) | 2009-02-11 | 2009-02-11 | Latch lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201363013Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105495846A (en) * | 2014-10-09 | 2016-04-20 | 卞海兵 | Elevator shoe with front and rear openable sole |
| CN105559249A (en) * | 2014-10-09 | 2016-05-11 | 卞海兵 | Height-increasing shoe with sole capable of being turned over left and right |
-
2009
- 2009-02-11 CN CNU2009201056899U patent/CN201363013Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105495846A (en) * | 2014-10-09 | 2016-04-20 | 卞海兵 | Elevator shoe with front and rear openable sole |
| CN105559249A (en) * | 2014-10-09 | 2016-05-11 | 卞海兵 | Height-increasing shoe with sole capable of being turned over left and right |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091216 |