CN202012238U

CN202012238U - Rotary tension lock

Info

Publication number: CN202012238U
Application number: CN2011200749286U
Authority: CN
Inventors: 魏新荣; 王金平; 郭有琛
Original assignee: SUZHOU DESHINAI HARDWARE TECHNOLOGY CO LTD
Current assignee: SUZHOU DESHINAI HARDWARE TECHNOLOGY CO LTD
Priority date: 2011-03-21
Filing date: 2011-03-21
Publication date: 2011-10-19
Anticipated expiration: 2021-03-21

Abstract

The utility model discloses a rotary tension lock, comprising a lock shell, a lock cylinder and a rotary bolt, wherein a guide sleeve is arranged between an assembly hole of the lock shell and the lock cylinder; the cylindrical wall of the guide sleeve is provided with an L-shaped groove and a spiral groove; first guide fit is formed between the lock shell and the guide sleeve through a pin and the L-shaped groove; second guide fit is formed between the lock cylinder and the guide sleeve through a pin shaft and the spiral groove; in the locking process, when the lock cylinder rotates by a key, there are two sections of corner strokes; the first section of stroke is used for locking the rotary bolt; and the second section of stroke is used for tensioning the rotary bolt. Compared with the prior art, in the event of keeping original functions, a guide sleeve is saved; the structure is simplified; cost is reduced; it is good for market popularization and application; the lock has substantive features and technical progress.

Description

A kind of revolution Strain lock

Technical field

The utility model relates to lockset, industrial a kind of revolution Strain lock of industries such as particularly track traffic, wind-power electricity generation, communication apparatus.The commentaries on classics tongue of this lockset not only has lock function and has the tension function simultaneously, can be applicable to a body, forms and cabinet etc.

Background technology

On the vehicle or equipment of industries such as track traffic, wind-power electricity generation, communication apparatus, use industrial lockset to come lock door body or forms in a large number.Chinese patent CN2549104Y discloses the utility model patent that a kind of name is called " the collapsible door lock of dead bolt ".This patent door lock is made up of parts such as lock housing, outer bush, interior guide pin bushing, lock core, rotating shaft, pin, dead bolts, is provided with the guiding mechanism of a cover spiral in the lock housing, and this guiding mechanism is worn to close by pin by outer bush, interior guide pin bushing, rotating shaft and formed.This lockset designs at closing a cabinet, and wherein, dead bolt (commentaries on classics tongue) has locking and tension dual-use function, but the shortcoming that exists is that part is many, and complex structure causes cost of production to increase, and is unfavorable for applying of market.For this reason, the utility model improves this door lock from simplified structure, the angle that reduces cost, to overcome above-mentioned defective.

Summary of the invention

The utility model provides a kind of revolution Strain lock, is intended to this existing industrial lock is improved, thereby reaches simplified structure, the purpose that reduces cost.

For achieving the above object, the technical solution adopted in the utility model is: a kind of revolution Strain lock, comprise lock housing, lock core, commentaries on classics tongue, wherein, has a pilot hole on the lock housing, lock core is positioned at this pilot hole, its innovation is: be provided with a guide pin bushing between the pilot hole of lock housing and the lock core, the main body of guide pin bushing is a sleeve, and the barrel of this sleeve is provided with " L " shape groove and helicla flute, and " L " shape groove is connected by circumferential slot and these two sections grooves of axial groove and constitutes, wherein, it is circumferential that circumferential slot is arranged in sleeve, axial groove be arranged in quill to, it is oblique that helicla flute is arranged in sleeve; Lock housing radially is provided with pin at the inwall of pilot hole, and this pin inserts " L " shape groove and forms the first guiding cooperation, and lock core radially is provided with bearing pin in outer rim, and this bearing pin insertion helicla flute forms second guiding and cooperates; One end in the corresponding lock housing of lock core front is provided with the service portion that cooperates with key, and an end at the corresponding lock housing of the guide pin bushing back side is provided with connecting portion, and this connecting portion is fixedlyed connected with the commentaries on classics tongue.

The utility model forms first guiding by pin and " L " shape groove and cooperates between lock housing and guide pin bushing, form second by bearing pin and helicla flute and lead and cooperate between lock core and guide pin bushing.In locking process, when key passes through the service portion rotational lock core, two sections corner strokes are arranged, wherein, first section corner is used for realizing that turning-bolt lock is fixed, second section corner is used for realizing changeing tongue and strains.The utility model compared with prior art on the basis that keeps original function, has omitted a guide pin bushing, simplifies the structure, and has reduced cost, helps applying of market, therefore has substantive distinguishing features and technological progress.

Description of drawings

Accompanying drawing 1 is the utility model embodiment three-dimensional exploded view;

Accompanying drawing 2 is the utility model embodiment lock core stereogram;

Accompanying drawing 3 is the utility model embodiment guide pin bushing stereogram;

Accompanying drawing 4A ~ 4E is respectively the various views of present embodiment revolution Strain lock when being in the locking tension;

Accompanying drawing 5A ~ 5E is respectively the various views of present embodiment revolution Strain lock when being in the locking relaxation state;

Accompanying drawing 6 A ~ 6E is respectively the various views of present embodiment revolution Strain lock when being in open mode.

In the above accompanying drawing: 1. screw; 2. packing ring; 3. nut; 4. toothed pad; 5. sealing ring; 6. pin; 7. lock housing; 8. guide pin bushing; 9. spring; 10. round section joint ring; 11. bearing pin; 12. lock core; " 13. L " shape groove; 14. helicla flute; 15. pin hole; 16. commentaries on classics tongue; 17. pin shaft hole; 18. seal groove; 19. triangle termination; 20. cannelure; 21. connecting portion; 22. door body; 23. doorframe.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further described:

Embodiment: a kind of revolution Strain lock

Fig. 1 is the three-dimensional exploded view (do not draw and change tongue 16) of present embodiment revolution Strain lock, as can be seen from the figure, this lockset comprises lock housing 7, guide pin bushing 8 and lock core 12, wherein, the main body of lock housing 7 is cylindric, and the outer rim of cylinder is provided with external screw thread, and an externally threaded end is provided with the shaft shoulder, this external screw thread cooperates with nut 3, and nut 3, toothed pad 4, sealing ring 5 cooperate with the shaft shoulder of cylinder one end to be used for lock housing 7 is installed on the body 22 (sees Fig. 4 A).Have a pilot hole on the lock housing 7, lock core 12 is positioned at this pilot hole, is provided with a guide pin bushing 8 between the pilot hole of lock housing 7 and the lock core 12.The main body of guide pin bushing 8 is the sleeve (see figure 3), the barrel of this sleeve is provided with a pair of " L " shape groove 13 and a pair of helicla flute 14, " L " shape groove 13 is connected by circumferential slot and these two sections grooves of axial groove and constitutes, wherein, it is circumferential that circumferential slot is arranged in sleeve, axial groove be arranged in quill to, it is oblique that helicla flute 14 is arranged in sleeve.Lock housing 7 is provided with two pin holes 15, and pin 6 inserts from two pin holes 15 respectively, and the inwall that passes pilot hole radially inserts " L " shape groove 13 and forms the first guiding cooperation.In the pilot hole of lock housing 7, realize axial location in order to make lock core 12, outer rim at lock core 12 is circumferentially with cannelure 20, pin 6 passes " L " shape groove 13 and is inserted in the cannelure 20, and the pilot hole that causes these lock core 12 relative lock housings 7 can only rotate, axially relative positioning.Lock core 12 is the axial workpiece (see figure 2), and lock core 12 is provided with pin shaft hole 17, has a bearing pin 11 to be inserted in the pin shaft hole 17, and the two ends of bearing pin 11 extend radially out from lock core 12 outer rims respectively, and inserts two helicla flutes, 14 formation, the second guiding cooperation.One end in lock core 12 corresponding lock housings 7 fronts is provided with the service portion that cooperates with key, and this service portion is that triangle termination 19(is a triangle, also can be square or two thread form).One end at guide pin bushing 8 corresponding lock housings 7 back sides is provided with connecting portion 21(and sees Fig. 3), this connecting portion 21 cooperates with screw 1 and packing ring 2 and is used for commentaries on classics tongue 6 is fixed on guide pin bushing 8 one ends.One end at lock core 12 corresponding lock housings 7 back sides is provided with end face, and the sleeve of guide pin bushing 8 is provided with the spring 9 of axial action to being provided with inner face by end face between inner face and the end face.The outer rim of lock core 12 is provided with seal groove 18, is embedded with round section joint ring 10 in the seal groove 18, and this round section joint ring 10 forms hermetically-sealed construction between the pilot hole of lock core 12 and lock housing 7.

The course of work to present embodiment is described below:

Fig. 4 A ~ 4E is respectively the utility model embodiment and turns round Strain lock and be in the various views of locking during tension, and wherein, Fig. 4 A represents to turn round Strain lock phase opposite house body 22 and doorframe 23 is in the locking tension; Fig. 4 B represents to turn round the locking tension of Strain lock under overlooking; Fig. 4 C represents to turn round the locking tension of Strain lock under looking squarely; Fig. 4 D and Fig. 4 E represent guide pin bushing 8, lock core 12, bearing pin 11 and the pin 6 mutual alignment relation under the locking tension.As can be seen, pin 6 is positioned at the axial groove lower end of " L " shape groove 13 under the locking tension from Fig. 4 D and Fig. 4 E, and bearing pin 11 also is positioned at the lower end of helicla flute 14.

In the process of unblanking, when key insertion triangle termination 19 rotates counterclockwise lock core 12, two sections corner strokes are arranged, first section corner stroke is 0 ° ~ 90 °, second section corner stroke is 90 ° ~ 180 °, wherein, first section corner stroke will change tongue 16 and change relaxation state into from tension, and second section corner stroke will change tongue 16 and change open mode into from lock-out state.Respectively two sections corner strokes are described below:

1. first section corner stroke

Fig. 5 A ~ 5E is respectively the various views of present embodiment revolution Strain lock when being in the locking relaxation state.From the contrast of Fig. 5 A and Fig. 4 A as can be seen, triangle termination 19 rotates counterclockwise 90 ° of positions from 0 °.From the contrast of Fig. 5 B and Fig. 4 B as can be seen, change tongue 16 relative lock housings 7 and retreated a segment distance (the tension distance can be adjusted by the design of spiral fluted pitch according to user's needs), expression commentaries on classics tongue 16 changes relaxation state into from tension.From the contrast of Fig. 5 C and Fig. 4 C as can be seen, triangle termination 19 also is to rotate counterclockwise 90 ° of positions from 0 °.From the contrast of Fig. 5 D and Fig. 4 D as can be seen, pin 6 is by the axial groove lower end that is positioned at " L " shape groove 13, change the axial groove upper end (being an end of circumferential slot) that is positioned at " L " shape groove 13 into, bearing pin 11 changes the upper end that is positioned at helicla flute 14 into by the lower end that is positioned at helicla flute 14.

In first section corner stroke, owing to be fixed on the axial groove that pin 6 on the lock housing 7 is in " L " shape groove 13, limited the circular motion of guide pin bushing 8, bearing pin 11 acts on helicla flute 14 when lock core 12 rotates counterclockwise, promote guide pin bushing 8 and do axial setback, thereby removed the tension that changes tongue 16 with respect to lock housing 7.

2. second section corner stroke

Fig. 6 A ~ 6E is respectively the various views of present embodiment revolution Strain lock when being in open mode.From the contrast of Fig. 6 A and Fig. 5 A as can be seen, triangle termination 19 rotates counterclockwise 180 ° of positions from 90 °, changes tongue 16 simultaneously and turns to open mode from lock-out state.From the contrast of Fig. 6 B and Fig. 5 B as can be seen, changeing tongue 16 also is to turn to open mode from lock-out state.From the contrast of Fig. 6 C and Fig. 5 C as can be seen, pin 6 changes the circumferential slot other end that is positioned at " L " shape groove 13 into by the axial groove upper end (being an end of circumferential slot) that is positioned at " L " shape groove 13, and bearing pin 11 is remained unchanged by the upper end that is positioned at helicla flute 14.

In second section corner stroke, because pin 6 has been positioned at the circumferential slot of " L " shape groove 13, and the bearing pin on the lock core 12 11 has been moved to the upper end of helicla flute 14, can't be again with respect to lock core 12 motions, when lock core 12 continues to rotate counterclockwise, guide pin bushing 8 is along with lock core 12 rotates counterclockwise under the effect of bearing pin 11, will change tongue 16 and rotate counterclockwise 180 ° of positions from 90 °, thereby open door lock.

The process that shuts is just in time opposite with the above-mentioned process of unblanking, and key is inserted triangle termination 19 when clockwise rotating lock core 12, and two sections corner strokes are arranged, and first section corner stroke is to get back to 90 ° of positions from 180 ° of positions, will change tongue 16 and change lock-out state into from open mode.Second section corner stroke is to get back to 0 ° from 90 ° of positions, will change tongue 16 and change tension into from relaxation state.

The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed within the protection domain of the present utility model.

Claims

1. one kind is turned round Strain lock, comprise lock housing (7), lock core (12), change tongue (16), wherein, lock housing has a pilot hole on (7), lock core (12) is positioned at this pilot hole, it is characterized in that: be provided with a guide pin bushing (8) between the pilot hole of lock housing (7) and the lock core (12), the main body of guide pin bushing (8) is a sleeve, the barrel of this sleeve is provided with " L " shape groove (13) and helicla flute (14), " L " shape groove (13) is connected by circumferential slot and these two sections grooves of axial groove and constitutes, and wherein, it is circumferential that circumferential slot is arranged in sleeve, axial groove be arranged in quill to, it is oblique that helicla flute (14) is arranged in sleeve; Lock housing (7) radially is provided with pin (6) at the inwall of pilot hole, this pin (6) inserts " L " shape groove (13) and forms the first guiding cooperation, lock core (12) radially is provided with bearing pin (11) in outer rim, and this bearing pin (11) inserts helicla flute (14) and forms the second guiding cooperation; The positive end of the corresponding lock housing of lock core (12) (7) is provided with the service portion that cooperates with key, and an end at the corresponding lock housing of guide pin bushing (8) (7) back side is provided with connecting portion (21), and this connecting portion (21) is fixedlyed connected with commentaries on classics tongue (6).

2. revolution Strain lock according to claim 1, it is characterized in that: an end at the corresponding lock housing of described lock core (12) (7) back side is provided with end face, the sleeve of guide pin bushing (8) is provided with the spring (9) of axial action to being provided with inner face by end face between inner face and the end face.

3. revolution Strain lock according to claim 1, it is characterized in that: the outer rim of described lock core (12) is provided with seal groove (18), be embedded with round section joint ring (10) in the seal groove (18), this round section joint ring (10) forms hermetically-sealed construction between the pilot hole of lock core (12) and lock housing (7).