CN211173431U - Cat eye structure of unblanking of preventing of tool to lock - Google Patents

Abstract

The utility model relates to the field of lock, in particular to a cat eye unlocking prevention structure of a lock, which comprises a turntable, a handle, a separation block and an elastic pushing mechanism, wherein the turntable is provided with a separation groove and a first through hole; the handle comprises a holding part and a connecting part for fixedly connecting the turntable, and the connecting part is provided with a second through hole corresponding to the first through hole; the separating block comprises a main body part and a pushing top part which is arranged on the main body part and extends into the clutch groove; the elastic pushing mechanism comprises a key and a first elastic piece, wherein one end of the key extends out of the second through hole, the other end of the key is connected with the main body part of the separating block, and the first elastic piece is used for pushing the key to reset. The key is pressed to push the main body part to drive the push top part to move and further move the clutch pin out of the clutch groove, and resistance for pressing the key is small. The handle passes through the carousel transmission power of unblanking, rotates the handle and is more laborsaving, and just must press the button simultaneously when rotating the handle and just can unblock the carousel along the ascending rotation of unblanking direction to prevent to unblank from the cat eye.

Description

Cat eye structure of unblanking of preventing of tool to lock

Technical Field

The utility model relates to a tool to lock field, especially a cat eye structure of unblanking of preventing of tool to lock.

Background

The existing anti-theft door is generally provided with a cat eye made of glass or plastic, illegal molecules can damage the cat eye, and then an iron wire, a string or other tools are inserted into the cat eye to hook a door inner handle to open a lockset. In order to prevent the illegal unlocking of the lockset through the cat eye, the Chinese utility model patent (application number: 201520880296.0) provides a cat eye prevention structure, which comprises a handle main body and a cat eye prevention square steel head, wherein a cat eye prevention button is arranged on the handle main body, a cat eye prevention spring is fixed between the cat eye prevention button and the cat eye prevention square steel head, the cat eye prevention button is pressed downwards, the cat eye prevention button compresses the cat eye prevention spring, so that the cat eye prevention button is engaged with a groove of the handle main body, the cat eye prevention button is clamped into the cat eye prevention square steel head, at the moment, the cat eye prevention button and the cat eye prevention square steel head can be driven by rotating the handle main body, the cat eye prevention square steel head is driven, and the unlocking effect is achieved. But when unblanking along the edge, the power of unblanking directly transmits through preventing the cat eye button, and the requirement for the reliable degree of preventing the cat eye button is high, and presses and prevent that the cat eye button is unblanked with the rotation handle comparatively hard.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, a prevent cat eye structure of unblanking of tool to lock is provided, aim at solving the current cat eye structure of preventing existence to prevent that cat eye button structural strength requires high, press and prevent that cat eye button and rotation handle unblank comparatively hard problem.

The utility model provides a technical scheme that its technical problem adopted is: the cat eye unlocking prevention structure of the lockset comprises a rotary disc, a handle, a separation block and an elastic pushing mechanism, wherein the rotary disc is provided with a clutch groove for a clutch pin to extend into or move out and a first through hole which is arranged in an axial penetrating manner; the handle comprises a holding part and a connecting part for fixedly connecting the turntable, and the connecting part is provided with a second through hole corresponding to the first through hole; the separation block is movably arranged with the turntable and comprises a main body part and a push top part arranged on the main body part, and the push top part extends into the clutch groove; the elastic pushing mechanism comprises a key with one end extending out of the second through hole and the other end connected with the main body part of the separating block and a first elastic piece used for pushing the key to reset; the key is pressed to push the main body part to drive the pushing part to move in the clutch groove, so that the clutch pin is moved out of the clutch groove.

Furthermore, the pushing top part is connected to the side face of the main body part, extends outwards relative to the main body part, and is provided with a pushing inclined plane used for pushing the clutch pin at one end extending outwards.

Furthermore, the rotating disc can rotate along the unlocking or locking direction, and a guide sliding groove for the clutch pin to slide when the rotating disc rotates along the locking direction is arranged on the side wall of the rotating disc; the guide sliding groove is communicated with the clutch groove, and the groove depth of the guide sliding groove is gradually reduced from one end close to the clutch groove to the other end.

Further, still include the pole seat that is used for connecting the actuating lever, the pole seat with carousel fixed connection.

Furthermore, a first boss is arranged on the rotary disc, the rod seat is arranged on the first boss, and a movable space of the separation block is formed between the rod seat and the rotary disc.

Furthermore, the number of the first bosses is two, and the first bosses are symmetrically arranged at the edge position of the turntable; be equipped with the recess on the first boss, the pole socket including be used for connecting the seat main part of actuating lever and reverse set up in engaging lug in the seat main part, the engaging lug is fixed in the recess.

Further, a second boss is further arranged on the rotary disc, and the clutch groove is formed between the first boss and the second boss.

Furthermore, the elastic pushing mechanism further comprises a key rod, the key rod penetrates through the second through hole, and two ends of the key rod are fixedly connected with the key and the separating block respectively.

Furthermore, a key cavity is arranged in the connecting part, and the key is arranged in the key cavity; the first elastic piece is a spring which is sleeved outside the key rod and is abutted between the bottom of the key cavity and the lower surface of the key.

Furthermore, a sleeve extending towards the handle is arranged on the rotary plate, a cavity matched with the sleeve is arranged on the connecting portion, and the sleeve is fixedly connected with the cavity.

The beneficial effects of the utility model reside in that, through pressing the button promotes the main part drives and pushes away the top and be in remove in the clutch groove, and then will stretch into the separation and reunion round pin of separation and reunion inslot shifts out the in-process of separation and reunion groove is pressed the resistance of button mainly comes from separation and reunion round pin and first elastic component, this resistance is less, presses lightly, uses and experiences the preferred. The handle transmits unlocking power through the turntable, and does not drive the driving rod to rotate through the keys and the separating block so as to output the unlocking power, and the turntable transmitting the unlocking power and the separating block rotating the unlocking turntable are arranged separately, so that the force required by the rotation of the turntable is smaller by rotating the handle. And because the first elastic piece can push the key to reset, when the handle is rotated, the key is pressed and the clutch pin is kept in a state of moving out of the clutch groove, and the handle can drive the rotating disc to rotate along the unlocking direction, so that the unlocking from the cat eye is prevented.

Drawings

The following description of embodiments of the present invention will be made in further detail with reference to the accompanying drawings and examples, in which:

fig. 1 is an explosion structure diagram of the cat eye unlocking prevention structure provided by the present invention;

FIG. 2 is a schematic perspective view of a separation block and a turntable;

FIG. 3 is a schematic sectional view of the anti-peep hole unlocking structure;

fig. 4 is a partially enlarged schematic view of the connection portion of fig. 3.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

It should be noted that, for convenience of description, the specification of the present application adopts spatially relative terms, such as "bottom", "side", "upper", "lower", "front", and the like, to describe the spatial positional relationship of one component or feature with other components or features as shown in the drawings. It will be understood that the spatially relative terms are intended to encompass different orientations of the component or feature in use or operation in addition to the orientation depicted in the figures.

As shown in fig. 1, the utility model provides a lock prevent cat eye structure of unblanking, including carousel 1, handle 2, separation piece 3 and elasticity advancing mechanism 4, carousel 1 can be followed and unblanked or the direction of locking is rotated, be equipped with on carousel 1 and supply separation and reunion round pin (not shown in the figure) to stretch into or shift out separation and reunion groove 11 and along the first through-hole 12 of the axial through setting of carousel 1, the separation and reunion round pin stretches into locking during separation and reunion groove 11 carousel 1 is along the ascending rotation of the direction of unblanking. The handle 2 comprises a holding part 21 and a connecting part 22 for fixedly connecting the turntable 1, the holding part 21 and the connecting part 22 are integrally formed, a second through hole 221 corresponding to the first through hole 12 is arranged on the connecting part 22, and the second through hole 221 penetrates through the connecting part 22. The separating block 3 and the rotating disc 1 are movably arranged, the separating block 3 can move relative to the rotating disc 1, the separating block 3 comprises a main body part 31 and a pushing part 32 arranged on the main body part 31, and the pushing part 32 extends into the clutch groove 11. When the separation block 3 moves relative to the turntable 1, the pushing top part 32 can move in the engaging groove 11. The elastic pushing mechanism 4 includes a key 41 having one end extending out of the second through hole 221 and the other end connected to the main body 31 of the separation block 3, and a first elastic member 42 for pushing the key 41 to reset, pressing the key 41 can push the main body 31 to drive the top pushing portion 32 to move in the clutch slot 11, the clutch pin extends into the clutch slot 11 and is located at the front end of the top pushing portion 32 in the moving direction, the top pushing portion 32 moving forward can push the clutch pin and move the clutch pin out of the clutch slot 11, so that the unlocking turntable 1 rotates in the unlocking direction, in this process, the resistance when the key 41 is pressed to push the main body 31 mainly comes from the clutch pin and the first elastic member 42, and the resistance value is small, the pressing is light, and the use experience is good. The handle 2 transmits unlocking power through the turntable 1, and does not output the unlocking power by driving the driving rod 5 to rotate through the key 41 and the separating block 3, and the force required by rotating the turntable 1 is smaller by rotating the handle 2 through the arrangement that the turntable 1 transmitting the unlocking power is separated from the separating block 3 rotating the unlocking turntable. Moreover, since the first elastic member 42 can push the button 41 to reset, when the handle 2 is rotated, the handle 2 can drive the rotary plate 1 to rotate in the unlocking direction only by pressing the button 41 and keeping the state that the clutch pin moves out of the clutch groove 11, thereby preventing unlocking from cat's eyes.

As shown in fig. 2, the pushing top portion 32 is connected to a side surface of the main body portion 31 and extends outward relative to the main body portion 31, an outward extending end of the pushing top portion 32 is provided with a pushing inclined surface 321 for pushing the clutch pin, a thickness of the pushing inclined surface 321 is gradually reduced along an outward extending direction, preferably, a tip of the pushing inclined surface 321 still has a certain thickness, and after the clutch pin is moved out of the clutch slot 11, the tip of the pushing inclined surface 321 abuts against the clutch pin. Preferably, the body portion 31 is integrally formed with the push top portion 32. The push top part 32 is connected to the side surface of the main body part 31, and the arrangement mode of extending outwards relative to the main body part 31 can make the thickness of the separation block 3 smaller, so as to make the overall structure of the lock thinner.

As shown in fig. 2, a guide sliding groove 13 for sliding the clutch pin when the rotating disc 1 rotates in the locking direction is disposed on a side wall of the rotating disc 1, the guide sliding groove 13 is communicated with the engaging groove 11, and a groove depth of the guide sliding groove 13 gradually decreases from one end close to the engaging groove 11 to the other end. The clutch pin can move out of the clutch slot 11 from the guide chute 13, so that the clutch pin does not lock the rotation of the rotary plate 1 in the locking direction, and when the door is closed, the handle 2 is rotated in the locking direction to drive the rotary plate 1 to rotate, so as to drive the driving rod 5 to realize locking.

As shown in fig. 1 to 4, the peephole preventing structure of the lock further includes a lever seat 6 for connecting a driving lever 5, wherein the driving lever 5 is used for driving the bolt to move to open or close the lock, and preferably, the driving lever 5 is a square lever, but in other embodiments, the driving lever 5 can be in other shapes. The rod seat 6 is fixedly connected with the rotary table 1, and the rotary table 1 drives the driving rod 5 to rotate by driving the rod seat 6 to rotate. The rotary table is characterized in that a first boss 14 is arranged on the rotary table 1, the rod seat 6 is fixedly arranged on the first boss 14, and a movable space of the separating block 3 is formed between the rod seat 6 and the rotary table 1 so as to limit a moving space of the pushing top 32 in the clutch groove 11. Preferably, first boss 14 is two, and the symmetry set up in the border position of carousel 1, be equipped with recess 141 on first boss 14, pole socket 6 including the seat main part 61 that is used for connecting actuating lever 5 and reverse set up in engaging lug 62 on the seat main part 61, all be equipped with the screw on engaging lug 62 and the recess 141, engaging lug 62 is fixed in through threaded connection in the recess 141, through set up recess 141 on first boss 14 for when carousel 1 drives pole socket 6 and rotates, not only rely on the threaded connection of engaging lug 62 with first boss 14, the recess 141 of first boss 14 also can rely on self to exert the driving force to pole socket 6, and then increase structural stability between pole socket 6 and the carousel 1. The rotary table is characterized in that a second boss 15 is further arranged on the rotary table 1, the clutch groove 11 is formed between the first boss 14 and the second boss 15, and the number of the second bosses 15 is two and the second bosses are symmetrically arranged at the edge position of the rotary table 1. In other embodiments, the engaging groove 11 may be disposed on the first boss 14.

As shown in fig. 1 to 4, the elastic pushing mechanism 4 further includes a key rod 43, the key rod 43 is disposed through the first through hole 12 and the second through hole 221, one end of the key rod 43 is fixedly connected to the main body 31 of the separation block 3, and the other end of the key rod 43 is fixedly connected to the key 41, the key rod 43, the separation block 3, and the key 41 are all fixed by threaded connection, and the key rod 43 can be pushed to drive the pushing portion 32 to move in the clutch slot 11 by pressing the key 41. The connecting portion 22 is provided with a key cavity 222 therein, the key 41 is disposed in the key cavity 222, the first elastic member 42 is a spring, the spring is sleeved outside the key rod 43, and two ends of the spring respectively abut against the bottom of the key cavity 222 and the lower surface of the key 41. Preferably, the key cavity 222 is composed of a first cavity 2221 and a second cavity 2222 that are mutually communicated but have different diameters, the diameter of the first cavity 2221 is smaller than the diameter of the second cavity 2222, the spring is located in the first cavity 2221, a key cap 411 is disposed at an end of the key 41 facing the outside of the connecting portion 22, the key cap 411 is disposed in the second cavity 2222, the diameter of the key cap 411 is larger than the diameter of the first cavity 2221 and smaller than or equal to the diameter of the second cavity 2222, the key cap 411 cannot continuously move in the original direction when being pressed against the bottom of the second cavity 2222, and after the external force applied to the key cap 411 is removed, the compressed spring pushes the key cap 411 to reset under the action of a restoring force, and the key rod 43 fixedly connected to the key 41 drives the separation block 3 to reset. The turntable 1 is further provided with a sleeve 16 extending towards the handle 2, the connecting portion 22 is provided with a cavity 223 corresponding to the sleeve 16, the sleeve 16 is fixedly connected with the cavity 223, and when the handle 2 is rotated, the sleeve 16 drives the turntable 1 to rotate together.

It should be understood that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some technical features; and all such modifications and alterations should fall within the scope of the appended claims.

Claims (10)

1. The utility model provides a prevent cat eye structure of unblanking of tool to lock which characterized in that includes:

the rotary table is provided with a clutch groove for the clutch pin to extend into or move out and a first through hole which penetrates through the rotary table along the axial direction;

the handle comprises a holding part and a connecting part for fixedly connecting the turntable, and the connecting part is provided with a second through hole corresponding to the first through hole;

the separation block is movably arranged with the turntable and comprises a main body part and a pushing top part arranged on the main body part, and the pushing top part extends into the clutch groove;

the elastic pushing mechanism comprises a key with one end extending out of the second through hole and the other end connected with the main body part of the separation block and a first elastic piece for pushing the key to reset; the key is pressed to push the main body part to drive the pushing part to move in the clutch groove, so that the clutch pin is moved out of the clutch groove.

2. The structure of claim 1, wherein the ejector is connected to a side of the main body and extends outward relative to the main body, and an end of the ejector extending outward is provided with an ejector slope for ejecting the clutch pin.

3. The structure of claim 1, wherein the rotating disc is rotatable in an unlocking or locking direction, and a guide groove is formed in a sidewall of the rotating disc for sliding the clutch pin when the rotating disc is rotated in the locking direction; the guide sliding groove is communicated with the clutch groove, and the groove depth of the guide sliding groove is gradually reduced from one end close to the clutch groove to the other end.

4. The structure of any one of claims 1 to 3, further comprising a rod seat for connecting a driving rod, wherein the rod seat is fixedly connected to the rotary plate.

5. The structure of claim 4, wherein the turntable is provided with a first boss, and the rod seat is mounted on the first boss and forms a space for the separation block with the turntable.

6. The structure of claim 5, wherein the number of the first bosses is two, and the first bosses are symmetrically arranged at the edge of the turntable; be equipped with the recess on the first boss, the pole socket including be used for connecting the seat main part of actuating lever and reverse set up in engaging lug in the seat main part, the engaging lug is fixed in the recess.

7. The structure of claim 5, wherein the turntable is further provided with a second boss, and the first boss and the second boss form the engaging groove therebetween.

8. The structure of claim 1, wherein the resilient sliding mechanism further comprises a key rod, the key rod is disposed through the second through hole, and two ends of the key rod are respectively and fixedly connected to the key and the separation block.

9. The structure of claim 8, wherein the connecting portion has a key cavity therein, and the key is disposed in the key cavity; the first elastic piece is a spring which is sleeved outside the key rod and is abutted between the bottom of the key cavity and the lower surface of the key.

10. The structure of claim 9, wherein the turntable is provided with a sleeve extending toward the handle, the connecting portion is provided with a cavity corresponding to the sleeve, and the sleeve is fixedly connected to the cavity.

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