CN201972460U - Lock with clutch transmission structure - Google Patents

Abstract

The utility model discloses a lock with a clutch transmission structure, which comprises a lock shell, a transmission mechanism, a lock tongue part, a lock head and a drive sheet, wherein the drive sheet is arranged in the lock shell, and corresponding tooth grooves are arranged on the drive sheet and the lock tongue part. The transmission mechanism drives the drive sheet to move, the moving drive sheet can enable the tooth groove of the drive sheet and the tooth groove of the lock tongue part to form a combination or separation state, so that a handle can rotate when the lock is unlocked or locked; and the handle can form an idling state when the lock is locked without driving the lock tongue part to rotate, so that an internal mechanism of the lock can not be damaged or loosened due to the rotation torsion of the handle; therefore, the lock has longer service life and can fulfill the due locking function.

Description

Lockset with clutch drive mechanism

Technical field

The utility model relates to a kind of lockset, relates in particular to a kind of clutch drive mechanism that is provided with in lock housing, the lockset that handgrip can be dallied when the lockset locking.

Background technology

Lock; omnipresent in our daily life; big to door, automobile, aircraft, ship; little of strongbox, luggage case or even diary or pencil box, can both find to have the existence of lock, lock has not only been protected our privacy and safety; also having represented our right to be protected is inviolable; as seen a good lockset will bring the people the powerful sense of security, and the most relevant with our life be exactly the lockset that is arranged on the door.

And prior art is arranged at the lock structure on the door, and to shown in Figure 10, it includes a lock housing 60, a transmission mechanism 63, drives sheet 65, a tapered end 66 and a protecting cover 68 as Fig. 8.

This lock housing 60, it is a hollow housing, be formed with vacancy in the housing inboard, one pushing block 61 is set in the vacancy in this, this pushing block 61 be a block and in two ends the outstanding protuberance 611 that is formed with, be provided with a handgrip 62 in lock housing 60 outsides, this handgrip 62 is connected with pushing block 61, but these handgrip 62 interlock pushing blocks 61 rotations.

This transmission mechanism 63, it is configured to a prior art, this transmission mechanism 63 is a lamellar body, this lamellar body is the middle vacancy that is arranged at lock housing 60 inboards of slip, in the prominent retainer 631 of establishing of the sheet edge of this lamellar body lower end, this transmission mechanism 63 is to extend two lugs 632 and two push jacks 633 respectively perpendicular to the direction of lamellar body, be equipped with perforation on this lug 632, the protuberance 611 of this push jack 633 and this pushing block 61 against each other, this transmission mechanism 63 is connected with a dead bolt portion 64, the protuberance 611 at pushing block 61 two ends that the push jack 633 of this transmission mechanism 63 can be rotated promotes, the push jack 633 that is pushed can drive transmission mechanism 63 and carry out downward slippage, and drives this dead bolt portion 64 rotations by the slippage of transmission mechanism 63.

This drives sheet 65, and it is a lamellar body, and this lamellar body is the middle vacancy in the lock housing 60 of being arranged at of slip, and this drives sheet 65 is arranged at the below of this transmission mechanism 63, and is provided with a drive bar 651 and a clutch part 652 in lamellar body; This drives bar 651 to being provided with perpendicular to the direction that drives sheet 65 is outstanding, and this clutch part 652 is for being based in the last dististyle edge place that drives sheet 65, and this clutch part 652 corresponds to the retainer 631 of this transmission mechanism 63.

This tapered end 66, it is a cylinder, is arranged on the lock housing 60, in tapered end 66, be equipped with a core 67, one keyhole 671 is set in this core 67, and the end face of this core 67 in lock housing 60 inside is connected with a plectrum 672, and this plectrum 672 is corresponding to the drive bar 651 that drives sheet 65.

This protecting cover 68, it is a lamellar body, and be equipped with two fork arms 681 in place, the two ends of lamellar body apical margin, and each sheathed spring 682 on two fork arms 681, this protecting cover 68 is fixedly arranged on the lock housing 60, with its each fork arm 681 with join with the perforation place of the lug 632 of transmission mechanism 63 respectively, and be resisted against 68 of the lug 632 of transmission mechanism 63 and protecting covers respectively with the spring on the fork arm 681 682.

As inserting with correct key in the keyhole 671 of core 67, just core 67 can be rotated in tapered end 66, stir drive bar 651 with the plectrum 672 that is connected in core 67 1 ends and carry out displacement, with the displacement to the left or to the right that drives sheet 65 lockset is formed and unblank or blocking to drive sheet 65.

As shown in figure 10, when this lockset is set at unlocking condition, the clutch part 652 of this drive sheet 65 is the setting of staggering mutually with the retainer 631 of transmission mechanism 63, driving pushing block 61 as rotary handle 62 this moment rotates simultaneously, as shown in figure 11, this pushing block 61 drives transmission mechanism 63 and carries out slippage, and the transmission mechanism 63 of this slippage promptly can drive dead bolt portion 64 and be rotated.

As shown in figure 12, when lockset is set at blocking, the clutch part 652 of this drive sheet 65 is resisted against the retainer 631 of this transmission mechanism 63 relatively, this moment as desire rotary handle 62, because of the retainer 631 of this transmission mechanism 63 is replaced mutually with the clutch part 652 that drives sheet 65, this moment the user can't by to handgrip 62 application of forces to rotate this handgrip 62, so handgrip 62 is imposed bigger strength as the user, the clutch part 652 of drive sheet 65 and the retainer 631 of transmission mechanism 63 are pushed against mutually with bigger strength, get off for a long time and will make this transmission mechanism 63 or drive sheet 65 and produce and get loose or the situation of deformed damaged, have influence on that lockset is normally unblanked or the performance of locking, therefore, the drive mechanism of prior art lockset need be improved to bring better durability.

The utility model content

The utility model is a kind of lockset with clutch drive mechanism, purpose is to improve the drive mechanism of the lockset of prior art, the utility model provide a kind of when the lockset locking rotatable handgrip, torsion compressing when inner mechanism is rotated because of being subjected to handgrip, and cause internal mechanism to produce the lockset with clutch drive mechanism of the distortion or the situation that gets loose.

For achieving the above object, the utility model provides a kind of lockset with clutch drive mechanism, and it includes: a lock housing, it is a hollow housing, is formed with middle vacancy in its inboard, is provided with a handgrip in the lock housing outside, and the vacancy is provided with a pushing block in its inboard, and this handgrip and pushing block interlink; One dead bolt portion, it is a block and the rotating middle vacancy that is arranged at the lock housing inboard, is provided with teeth groove in the block side of dead bolt portion, is connected with a spring in dead bolt portion between away from place, the another side of teeth groove and lock housing; One tapered end, it is a cylinder, is arranged on the lock housing, and this tapered end inside is equipped with a core, and the end of this core in lock housing is connected with a plectrum; One transmission mechanism, it includes a connecting rod, and it is hubbed at the middle vacancy in the lock housing, and this connecting rod respectively is pivoted mutually with an end by a plurality of rod members and forms, and establishes a pendulum in connecting rod one distal process, and this pendulum is corresponding to the plectrum of core, in the outstanding protuberance that is provided with of the connecting rod other end; One driving chip, it is a lamellar body, be equipped with one in the lamellar body below and be slotted hole longitudinally, and in lamellar body, be provided with an opening, this opening wears for dead bolt portion, and the lamellar body medial surface adjacent to opening is provided with a clutch block, this clutch block is provided with teeth groove, this teeth groove corresponds to the teeth groove of dead bolt portion, and this two teeth groove can intermesh, this driving chip is arranged at lock housing inside, and the slotted hole of this driving chip is combining of slip with the protuberance of transmission mechanism, is connected with a spring between the sheet edge of driving chip and lock housing.

Further, place, the two ends on this pushing block surface is outstanding to be provided with push rod, is equipped with horizontal driver slot in this driving chip surface, and this push rod corresponds to the inboard groove face of driver slot with pole face.

Further, this connecting rod is made up of one first rod member, one second rod member and one the 3rd rod member, one end and the lock housing of this first rod member are pivoted mutually, and state pendulum to some extent in the outstanding formation of the pivot part of first rod member, this first rod member is pivoted with an end of second rod member mutually with the other end, one end of the other end of this second rod member and the 3rd rod member is pivoted mutually, forms described protuberance in the outside pole face of the other end of the 3rd rod member is vertically outstanding, and the body of rod stage casing and the lock housing of the 3rd rod member are pivoted mutually.

Further, a torque spring is set in this lock housing, this torque spring projection has two reverse arms, and this one of them reverse arm and lock housing are replaced mutually, and the protuberance of this another reverse arm and connecting rod is replaced mutually.

The utility model is by above-mentioned technological means, make lockset when blocking, teeth groove with the clutch block of this driving chip staggers in the teeth groove of dead bolt portion, make the still rotatable and drive driving chip displacement of handgrip, but because of the teeth groove of the teeth groove of driving chip and dead bolt portion at this moment for staggering and having a spacing, therefore the driving chip that moves can't drive dead bolt portion and rotates, and has effectively avoided lockset handgrip when locking that internal mechanism is caused influence on the torsion, makes lockset that longer life-span and safety be arranged with this.

Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.

Description of drawings

Fig. 1 is a stereo appearance figure of the present utility model;

Fig. 2 is another stereo appearance figure of the present utility model;

Fig. 3 is a three-dimensional exploded view of the present utility model;

Fig. 4 is a floor map of the present utility model;

Fig. 5 is a planar gesture schematic diagram of the present utility model;

Fig. 6 is another planar gesture schematic diagram of the present utility model;

Fig. 7 is an another planar gesture schematic diagram of the present utility model;

Fig. 8 is the stereo appearance figure of prior art;

Fig. 9 is the three-dimensional exploded view of prior art;

Figure 10 is the floor map of prior art;

Figure 11 is another planar gesture schematic diagram of prior art;

Figure 12 is the another planar gesture schematic diagram of prior art.

[critical element symbol description]

10 lock housings, 11 handgrips

12 pushing blocks, 121 push rods

20 dead bolt portions, 21 teeth groove

22 springs, 30 transmission mechanisms

31 connecting rods, 32 first rod members

321 pendulums, 33 second rod members

34 the 3rd rod members, 341 protuberances

35 torque springs

40 driving chips, 41 slotted holes

42 clutch blocks, 421 teeth groove

43 driver slots, 44 springs

50 tapered ends, 51 cores

511 keyholes, 512 plectrums

60 lock housings, 61 pushing blocks

611 protuberances, 62 handgrips

63 transmission mechanisms, 631 retainers

632 lugs, 633 push jacks

64 dead bolt portions 65 drive sheet

651 drive bar 652 clutch part

66 tapered ends, 67 cores

671 keyholes, 672 plectrums

68 protecting covers, 681 fork arms

682 springs

The specific embodiment

The utility model is a kind of lockset with clutch drive mechanism, and as shown in Figure 1 to Figure 3, it includes a lock housing 10, a dead bolt portion 20, a transmission mechanism 30, a driving chip 40 and a tapered end 50.

This lock housing 10, it is a hollow housing, its inboard is formed with vacancy in, and be connected with a rotating handgrip 11 in lock housing 10 outsides, be provided with a rotating pushing block 12 in the housing inboard, this handgrip 11 is connected with pushing block 12, can rotate simultaneously with drive pushing block 12 when handgrip 11 rotations, the embodiment of the pushing block 12 shown in the figure, this pushing block 12 is outstanding two push rods 121 that are provided with in the surface at block two ends.

This dead bolt portion 20, it is a block and the rotating middle vacancy that is arranged at lock housing 10 inboards, is provided with teeth groove 21 in the block side of dead bolt portion 20, is connected with a spring 22 in dead bolt portion 20 in place, another side and 10 of lock housings away from teeth groove 21.

This transmission mechanism 30, please cooperate referring to shown in Figure 4, it is arranged at the middle vacancy of lock housing 10 inboards, it includes a connecting rod 31, this connecting rod 31 is by one first rod member 32, one second rod member 33 and one the 3rd rod member 34 are formed, one end and the lock housing 10 of this first rod member 32 are pivoted mutually, and in the outstanding pendulum 321 that is formed with of the pivot part of first rod member 32, and this first rod member 32 can pivot on lock housing 10, this first rod member 32 is pivoted mutually with the end of the other end with second rod member 33, one end of the other end of this second rod member 33 and the 3rd rod member 34 is pivoted mutually, in the vertically outstanding protuberance 341 that forms of the outside pole face of the other end of the 3rd rod member 34, the body of rod stage casing and the lock housing 10 of the 3rd rod member 34 are pivoted mutually, please cooperate referring to shown in Figure 6, this connecting rod 31 is stirred with pendulum 321 places and can be driven first rod member 32 swings and passes second rod member 33, this second rod member 33 is passed the 3rd rod member 34, the 3rd rod member 34 with lock housing 10 mutually pivot part be that rotate at the center, pass, and make the protuberance 341 of the 3rd rod member 34 ends be positioned at different positions, and a torque spring 35 is set in lock housing 10, these torque spring 35 projections have two reverse arms, wherein a reverse arm and lock housing 10 are replaced mutually, and another reverse arm is replaced the location mutually with the protuberance 341 of connecting rod 31.

This driving chip 40, it is a lamellar body, be equipped with one in the lamellar body below and be slotted hole 41 longitudinally, and be provided with an opening in lamellar body central authorities, this opening wears for dead bolt portion 20, and the lamellar body medial surface adjacent to opening is provided with a clutch block 42, this clutch block 42 is provided with teeth groove 421, this teeth groove 421 corresponds to the teeth groove 21 of dead bolt portion 20, and this teeth groove 421 can intermesh with teeth groove 21, this driving chip 40 is arranged at lock housing 10 inside, the slotted hole 41 of this driving chip 40 and the protuberance of transmission mechanism 30 341 combining for slip, and this protuberance 341 can be subjected to pendulum 321 displacement with the motion of connecting rod 31, this driving chip 40 is subjected to protuberance 341 drives of transmission mechanism 30 to carry out displacement with slotted hole 41 places, this driving chip 40 wears one and is horizontal driver slot 43 on lamellar body, and against each other with the push rod 121 of the inboard groove face of this driver slot 43 and pushing block 12, make driving chip 40 can be subjected to driver slot 43 pushing block 12 push rod 121 pushing and pressing and drive driving chip 40 and carry out downward displacement, in lock housing 10, be provided with a spring 44, these spring 44 1 ends are connected with lock housing 10, and these spring 44 other ends are connected with driving chip 40.

This tapered end 50, it is a cylinder, and these tapered end 50 inside are equipped with a core 51, are equipped with keyhole 511 on this core 51, and this core 51 is connected with a plectrum 512 in the end of lock housing 10 inside, and this plectrum 512 is with respect to the pendulum 321 of transmission mechanism 30.

As inserting with correct key in the keyhole 511 of core 51, just core 51 can be rotated in tapered end 50, stir the pendulum 321 of transmission mechanism 30 with the plectrum 512 that is connected in core 51 1 ends, pass connecting rod 31 with the displacement to the left or to the right of pendulum 321 and move, make the protuberance 341 of connecting rod 31 drive driving chips 40 and carry out displacement and lockset is formed unblank or blocking.

Of the present utility model have the lockset of clutch drive mechanism when using, be illustrated in figure 4 as the schematic diagram of lockset when unlocking condition, the teeth groove 421 of the clutch block 42 of these driving chip 40 inboards intermeshes with the teeth groove 21 of dead bolt portion 20, the user can drive pushing block 12 rotations of lock housing 10 inside by rotary handle 11, as shown in Figure 5, be somebody's turn to do the pushing block 12 that rotates simultaneously with handgrip 11, driver slot 43 inboard groove faces with the outstanding push rod 121 pushing and pressing driving chips 40 in pushing block 12 surfaces, and promotion driving chip 40 carries out to bottom offset, teeth groove 421 places of the clutch block 42 of the driving chip 40 that should move drive the teeth groove 21 of dead bolt portion 20, make the action that dead bolt portion 20 rotates and reach the purpose of opening the door.

As shown in Figure 6, be the schematic diagram with lockset of clutch drive mechanism in blocking of the present utility model, the pendulum 321 of this transmission mechanism 30 is stirred by the plectrum 512 of core 51 connecting rod 31 is moved, the protuberance 341 of this connecting rod 31 is passed the slotted hole 41 of driving chip 40, make the left of driving chip 40 in figure carry out displacement, the teeth groove 421 of the clutch block 42 of the driving chip 40 after this displacement is removed the situation that meshes with the teeth groove of dead bolt portion 20 21, the teeth groove 421 of this clutch block 42 forms released state and has a spacing with the teeth groove of dead bolt portion 20 21, this moment is as rotary handle 11, as shown in Figure 7, this handgrip 11 drives pushing block 12 rotations, the push rod 121 of pushing block 12 drives driving chip 40 and carries out downward displacement, the teeth groove 421 of these driving chip 40 inboard clutch blocks 42 that are provided with is a released state with the teeth groove 21 of dead bolt portion 20, therefore the driving chip 40 of displacement can't drive 20 rotations of dead bolt portion, the handgrip 11 of this rotation, pushing block 12 forms idling conditions with driving chip 40, makes lockset rotary handle 11 when locking can not produce influence on the torsion to internal mechanism.

Of the present utility model have the lockset of clutch drive mechanism by above-mentioned technological means, in dead bolt portion 20 and 40 of driving chips corresponding teeth groove 21 is set, 421, and with two teeth groove 21,421 is that engagement or released state are unblanked or locking lockset formation, this handgrip 11 is all rotatable when unblanking with locking, effectively avoided the influence on the lockset torsion that 11 pairs of internal mechanisms of rotary handle bring when locking, make inner mechanism be not easy to make lockset more durable because of the strength influence that is subjected to handgrip 11 produces phenomenon loosening or distortion, life-span is longer also to have more safety.

Above said content; it only is preferred embodiment of the present utility model; be not to be used for limiting the scope that the utility model is implemented; all according to spirit of the present utility model and according to technological means disclosed in the utility model; and make corresponding change and distortion, all belong to the scope that the utility model is protected.

Claims (4)

1. the lockset with clutch drive mechanism is characterized in that, includes:

One lock housing, it is a hollow housing, is formed with middle vacancy in its inboard, be provided with a handgrip in the lock housing outside, and the vacancy is provided with a pushing block in its inboard, this handgrip and pushing block interlink;

One dead bolt portion, it is a block and the rotating middle vacancy that is arranged at the lock housing inboard, is provided with teeth groove in the block side of dead bolt portion, is connected with a spring in dead bolt portion between away from place, the another side of teeth groove and lock housing;

One tapered end, it is a cylinder, is arranged on the lock housing, and this tapered end inside is equipped with a core, and the end of this core in lock housing is connected with a plectrum;

One transmission mechanism, it includes a connecting rod, and it is hubbed at the middle vacancy in the lock housing, and this connecting rod respectively is pivoted mutually with an end by a plurality of rod members and forms, and establishes a pendulum in connecting rod one distal process, and this pendulum is corresponding to the plectrum of core, in the outstanding protuberance that is provided with of the connecting rod other end;

One driving chip, it is a lamellar body, be equipped with one in the lamellar body below and be slotted hole longitudinally, and in lamellar body, be provided with an opening, this opening wears for dead bolt portion, and the lamellar body medial surface adjacent to opening is provided with a clutch block, this clutch block is provided with teeth groove, this teeth groove corresponds to the teeth groove of dead bolt portion, and this two teeth groove can intermesh, this driving chip is arranged at lock housing inside, and the slotted hole of this driving chip is combining of slip with the protuberance of transmission mechanism, is connected with a spring between the sheet edge of driving chip and lock housing.

2. the lockset with clutch drive mechanism as claimed in claim 1 is characterized in that, the place, two ends on this pushing block surface is outstanding to be provided with push rod, is equipped with horizontal driver slot in this driving chip surface, and this push rod corresponds to the inboard groove face of driver slot with pole face.

3. the lockset with clutch drive mechanism as claimed in claim 2, it is characterized in that, this connecting rod is made up of one first rod member, one second rod member and one the 3rd rod member, one end and the lock housing of this first rod member are pivoted mutually, and state pendulum to some extent in the outstanding formation of the pivot part of first rod member, this first rod member is pivoted with an end of second rod member mutually with the other end, one end of the other end of this second rod member and the 3rd rod member is pivoted mutually, form described protuberance in the outside pole face of the other end of the 3rd rod member is vertically outstanding, the body of rod stage casing and the lock housing of the 3rd rod member are pivoted mutually.

4. as each described lockset of claim 1 to 3 with clutch drive mechanism, it is characterized in that a torque spring is set, and this torque spring projection has two reverse arms in this lock housing, this one of them reverse arm and lock housing are replaced mutually, and the protuberance of this another reverse arm and connecting rod is replaced mutually.

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