CN209742508U - Lock rear clutch and lock - Google Patents

Abstract

The utility model relates to a tool to lock technical field discloses a clutch and tool to lock behind tool to lock. The utility model discloses a clutch includes body and lockpin behind the tool to lock, be equipped with the locked groove on the body, follow on the rotation direction of body, the lockpin is fixed to be set up, the lockpin can slide in or the roll-off the locked groove to the locking or loosen the rotation of body. The utility model discloses a clutch has the cat eye effect of preventing behind the tool to lock, and the security is stronger.

Description

lock rear clutch and lock

Technical Field

The utility model belongs to the technical field of the tool to lock technique and specifically relates to a clutch and tool to lock behind tool to lock.

Background

The clutch of the lockset comprises a front clutch and a lockset rear clutch, wherein the front clutch corresponds to the outer side of the door, and the lockset rear clutch corresponds to the inner side of the door.

The safety of the door lock is the most important concern, and the conventional door lock can be used for people outside a door to achieve the position of a handle in the door by damaging a cat eye on the door and then feeding tools such as an iron wire in the cat eye opening, and the handle is driven to open the door.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a clutch behind tool to lock with prevent cat eye function.

The utility model provides a technical scheme that its technical problem adopted is: the lock rear clutch comprises a body and a lock pin, wherein a lock groove is formed in the body, the lock pin is fixedly arranged along the rotating direction of the body, and the lock pin can slide into or out of the lock groove to lock or release the rotation of the body.

As a further improvement of the above technical solution, the locking groove is disposed along a direction perpendicular to the body and penetrates through the body.

As a further improvement of the above technical solution, the lock pin includes a first arm and a second arm, the first arm is disposed along the direction of the lock slot, the second arm is disposed perpendicular to the direction of the lock slot,

As a further improvement of the above technical solution, the second arm is provided with a handle, the handle includes a cylinder penetrating through the second arm, the cylinder is provided with a collar on one side of the second arm, and the other side of the second arm is provided with a clamping member abutting against the second arm.

As a further improvement of the above technical solution, a bayonet communicated with the lock groove is provided on a side surface of the body, the lock pin can slide along the lock groove in a radial direction of the body, and a width of the bayonet is smaller than a width of the first arm.

as a further improvement of the above technical solution, the locking member includes a pair of first torsion springs symmetrically disposed on two sides of the column, and the first torsion spring is provided with a support arm, and the support arm and the column are supported by being away from one side of the body.

as a further improvement of the above technical solution, the torsion spring further includes a bearing, and the bearing is disposed coaxially with the first torsion spring.

As a further improvement of the technical scheme, a pull cap is arranged at the top end of the handle.

As the further improvement of the above technical scheme, the body is including changeing core, first separation and reunion knob, second separation and reunion knob and second torsional spring, change the core with first separation and reunion knob synchronous rotation, the second torsional spring is equipped with the free arm of a pair of relative setting, first separation and reunion knob is equipped with the first arm that stretches out, second separation and reunion knob is equipped with the second and stretches out the arm, first stretch out the arm with the second stretches out the arm and locates a pair of between the free arm.

The utility model also provides a tool to lock, it includes as above clutch behind the tool to lock.

The utility model has the advantages that:

The utility model discloses a clutch behind tool to lock, including body and lockpin, be equipped with the locked groove on the body, follow on the rotation direction of body, the lockpin is fixed to be set up, the lockpin can slide in or the roll-off the locked groove to the locking or loosen the rotation of body. When the lockpin slides to the locked groove in, the body is locked by the lockpin and is unable to rotate to with the clutch locking behind the tool to lock, avoid the handle to open through the cat eye from outdoors.

Drawings

the present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of a rear clutch of an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a schematic cross-sectional view of a rear clutch of the lockset of one embodiment.

Detailed Description

The conception, specific structure and technical effects of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, so as to fully understand the objects, aspects and effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the description of the upper, lower, left, right, front, rear, etc. used in the present invention is only relative to the mutual position relationship of the components of the present invention in the drawings.

Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any combination of one or more of the associated listed items.

Referring to fig. 1 and 2, a structural schematic diagram of a rear clutch of a lock according to an embodiment is shown in two views. The utility model provides a clutch behind tool to lock, which comprises a body 100, lockpin 200, be equipped with the locked groove 101 that runs through along the vertical direction on the body 100, on the rotation direction of edge body 100, lockpin 200 is fixed to be set up, and lockpin 200 can slide into locked groove 101 in, with the rotation of locking body 100, or from roll-off in the locked groove 101, in order to loosen the locking to body 100, when lockpin 200 slides into locked groove 101 in, body 100 is by the locking, at this moment, follow the unable clutch motion behind the tool to lock that drives of iron wire that the cat eye went into, thereby play the effect of preventing the cat eye.

As shown in fig. 2, the lock pin 200 is an L-shaped structure, and includes a first arm 210 and a second arm 220, wherein the first arm 210 is disposed along the direction of the lock slot 101 and can slide into the lock slot 101 or slide out of the lock slot 101, the second arm 220 is disposed along the direction perpendicular to the lock slot 101, the width of the lock slot 101 is greater than that of the first arm 210, and the first arm 210 and the second arm 220 can slide in the width direction of the lock slot 101.

The side of the body 100 is further provided with a bayonet 102 communicated with the lock slot 101, the width of the bayonet 102 is smaller than that of the first arm 210, and the bayonet 102 provides a channel for the second arm 220 to slide along the width direction of the lock slot 101, and simultaneously prevents the first arm 210 from sliding out of the bayonet 102 along the width direction of the lock slot 101.

In one embodiment, a pull 230 is disposed on the second arm 220, and the pull 230 extends vertically through the second arm 220, such that the pull 230 facilitates movement of the lock pin 200.

In a preferred embodiment, the handle 230 includes a cylinder 231, a collar 240 is sleeved on the cylinder 231 on one side of the second arm 220, a concave shoulder (not shown) for abutting against the collar 240 is further disposed on the cylinder 231, one end surface of the collar 240 abuts against the concave shoulder, the other end surface of the collar 240 is attached to the second arm 220, and a locking member is disposed on the other side of the second arm 220 for engaging with the collar 240 to lock the cylinder 231 on the second arm 220.

In one embodiment, the locking member includes a pair of first torsion springs 250, the pair of first torsion springs 250 are symmetrically disposed on two sides of the cylinder 231, the first torsion springs 250 are provided with support arms 251 supporting against the body 231, the support arms 251 of the pair of first torsion springs 250 support one side of the cylinder 231 away from the locking groove 101, and provide a pre-pressure force to the cylinder 231 towards the locking groove 101 to prevent the lock pin 200 from moving.

In the preferred embodiment, the first torsion spring 250 is coaxially disposed with the bearing 260 to increase the rotatability of the first torsion spring 250, and it should be noted that the structure of the shaft is well known to those skilled in the art, and therefore, no corresponding structure is given herein.

In a preferred embodiment, the pull handle 230 further includes a pull cap 232 disposed at the top of the post 231.

As shown in fig. 1, in an embodiment, the body 100 includes a rotary core 110, a first clutch knob 120, a second clutch knob 130, a second torsion spring 140 and a direction adjuster 150, the first clutch knob 120 and the second clutch knob 130 are sleeved on the rotary core 110, the second torsion spring 140 is sleeved on the first clutch knob 120, the second torsion spring 140 is provided with a pair of free arms 141 oppositely arranged, the first clutch knob 120 is provided with a first extending arm 121, the second clutch knob 130 is provided with a second extending arm 131, the first extending arm 121 and the second extending arm 131 are provided between the pair of free arms 141, so as to realize the linkage therebetween, a key slot 111 is provided on a sidewall of the rotary core 110 along an axial direction thereof, the second clutch knob 130 is provided with an insertion key 132 (as shown in fig. 1) inserted into the key slot 111, the linkage between the second clutch knob 130 and the rotary core 110 is realized by the cooperation of the insertion key 132 and the key slot 111, and further the rotary core 110, The first clutch knob 120 and the second clutch knob 130 are linked.

In one embodiment, the present invention also provides a lock, which includes the lock rear clutch as described above.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The rear clutch of the lockset is characterized by comprising a body and a lock pin, wherein a lock groove is formed in the body, the lock pin is fixedly arranged along the rotating direction of the body, and the lock pin can slide into or out of the lock groove so as to lock or release the rotation of the body.

2. The lockset rear clutch of claim 1 wherein said keyway is disposed in a direction perpendicular to said body and extends through said body.

3. The lockset rear clutch of claim 2 wherein said locking pin includes a first arm disposed along said locking slot and a second arm disposed perpendicular to said locking slot.

4. The lock rear clutch according to claim 3, wherein the second arm is provided with a pull handle, the pull handle includes a cylinder penetrating the second arm, the cylinder is provided with a collar on one side of the second arm, and the other side of the second arm is provided with a retaining member abutting against the second arm.

5. The lock rear clutch according to claim 4, wherein a bayonet communicated with the lock groove is provided on a side surface of the body, the lock pin is slidable along the lock groove in a radial direction of the body, and a width of the bayonet is smaller than a width of the first arm.

6. The lock rear clutch according to claim 5, wherein the retaining member includes a pair of first torsion springs symmetrically disposed on both sides of the cylinder, and the first torsion springs have a support arm that supports against a side of the cylinder away from the body.

7. The lock rear clutch according to claim 6, further comprising a bearing disposed coaxially with the first torsion spring.

8. The lock rear clutch according to claim 4, wherein a top end of the pull handle is provided with a pull cap.

9. The lock rear clutch according to any one of claims 1 to 8, wherein the body includes a rotary core, a first clutch knob, a second clutch knob, and a second torsion spring, the rotary core rotates synchronously with the first clutch knob, the second torsion spring is provided with a pair of oppositely disposed free arms, the first clutch knob is provided with a first protruding arm, the second clutch knob is provided with a second protruding arm, and the first protruding arm and the second protruding arm are provided between the pair of free arms.

10. A lock, characterized in that it comprises a lock rear clutch according to any one of claims 1-9.