CN212478813U - Balance return structure of turning lock tongue - Google Patents

Abstract

The utility model discloses a balanced return structure of diversion spring bolt, characteristics are including establishing the rotatable handle on the door panel, handle and door panel junction are equipped with first canceling release mechanical system, the handle axle stretches into in the lock shell, the handle axle with dial a group synchronous revolution, dial a group drive latch bolt and inwards return and contract, the latch bolt is connected even axle, even epaxial regulation clearance that is used for the switching-over that is equipped with, the synapse of group is mobilizable in the clearance, it can drive to dial a group recovery normal position to be equipped with second canceling release mechanical system in the lock shell, the advantage is that canceling release mechanical system establishes in the lock body and is equipped with a plurality of mechanisms that enable to dial a reset, return to balanced position that messenger's handle can be better.

Description

Balance return structure of turning lock tongue

Technical Field

The utility model relates to a lock field especially relates to a balanced return structure of diversion spring bolt.

Background

The lock body is one of the components of the lock, and the lock body has a plurality of types, such as a one-way lock body, a three-way lock body, a four-way lock body and the like. The lock is generally used on a security door and is responsible for basic security work of the security door, the lock cylinder controls the operation of the lock body, and the lock body is responsible for unlocking and locking the door and the window and plays an important role in security.

The panel handle structure with the convenient reversing function, as disclosed in the publication No. CN108756509A, comprises a limiting structure, wherein the limiting structure is used for limiting the circumferential position of the limiting clamp ring.

The reset mechanism of the handle on the door lock is arranged on the door lock panel, if the reset mechanism is damaged, the shifting piece in the lock body cannot be reset normally, and the normal work of the lock is influenced; reset mechanism generally adopts the structure of torsional spring, uses in the electronic lock, and the condition of long-time use can make the torsional spring lose return elasticity, if the handle does not return to balanced position, the inductor response in the electronic lock can not arrive the handle return, then the electronic lock can't use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a balanced return structure of diversion spring bolt is provided, enable to dial better return to balanced position of piece.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the balance return structure of the turning spring bolt comprises a rotatable handle arranged on a door panel, a first reset mechanism is arranged at the joint of the handle and the door panel, a handle shaft extends into a lock shell, the handle shaft and a shifting unit synchronously rotate, the shifting unit drives the spring bolt to retract inwards, the spring bolt is connected with a connecting shaft, an adjusting gap for reversing is arranged on the connecting shaft, a synapse of the shifting unit is movable in the gap, and a second reset mechanism capable of driving the shifting unit to return to the original position is arranged in the lock shell.

The utility model discloses a further preferred scheme does: the second reset mechanism comprises a push plate and a reset tension spring, and the shifting piece group is linked with the push plate.

The utility model discloses a further preferred scheme does: the driving oblique tongue of the shifting piece group is linearly slid on the lock shell, the shifting piece group drives the oblique tongue to the maximum moving stroke, after the shifting piece group is released, the oblique tongue is reset by the third reset mechanism, the shifting piece group drives the push plate to move on the lock shell along the direction vertical to the sliding direction of the oblique tongue, the shifting piece group drives the push plate to the maximum moving stroke, and after the shifting piece group is released, the push plate is reset by the reset tension spring.

The utility model discloses a further preferred scheme does: the shifting piece group comprises a handle shifting piece and a latch bolt shifting piece which are coaxially arranged, the latch bolt shifting piece drives the latch bolt to slide, and the handle shifting piece drives the push plate to slide.

The utility model discloses a further preferred scheme does: the third reset mechanism is a reset spring, the lock shell is provided with a mounting plate, the inclined tongue is connected with the shaft and penetrates through the mounting plate, the reset spring is sleeved on the inclined tongue connecting shaft, and the two ends of the reset spring are pushed and arranged between the inclined tongue and the mounting plate

The utility model discloses a further preferred scheme does: the end part of the connecting shaft of the oblique tongue is provided with a baffle plate, and the adjusting gap is positioned between the baffle plate and the mounting plate.

The utility model discloses a further preferred scheme does: the lock shell on be equipped with the extension spring mounting point, the both ends of extension spring connect respectively on extension spring mounting point and push pedal.

The utility model discloses a further preferred scheme does: the first reset mechanism is a torsion spring, the torsion spring is sleeved on the handle shaft, and two ends of the torsion spring are clamped on the shifting piece set.

The utility model discloses a further preferred scheme does: the shifting piece group is provided with a clamping groove for installing a resetting mechanism.

The utility model discloses a further preferred scheme does: a shifting piece is arranged between the shifting piece group and the push plate, the shifting piece group is rotationally linked with the shifting piece, and the shifting piece drives the push plate to slide.

Compared with the prior art, the utility model has the advantages of including establishing at the last rotatable handle of shop front board, handle and shop front board junction are equipped with first canceling release mechanical system, the handle axle stretches into in the lock shell, the handle axle with dial a group synchronous revolution, dial a group drive latch bolt and inwards return and contract, the latch bolt is connected even axle, even epaxial regulation clearance that is used for the switching-over that is equipped with, the synapse of group is mobilizable in the clearance, be equipped with the second canceling release mechanical system in the lock shell and can drive and dial a group and resume the normal position, canceling release mechanical system establishes in the lock body and is equipped with a plurality of mechanisms that enable to dial a reset, return to balanced position that messenger's handle can be better.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

FIG. 1 is a schematic view of the overall structure of a lock body;

FIG. 2 is a schematic structural view of a push plate;

FIG. 3 is a schematic view of a lever handle;

fig. 4 is a schematic structural view of the pick.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the invention.

It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

The balanced return structure of diversion spring bolt, including lock shell 1, including establishing the rotatable handle on the door panel, handle and door panel junction are equipped with first canceling release mechanical system, and handle axle 18 stretches into in the lock shell 1, and handle axle 18 and group synchronous revolution are dialled to the piece, and group drive latch bolt 6 inwards contracts to dial, and latch bolt 6 connects even axle 21, is equipped with the regulation clearance 22 that is used for the switching-over on even axle 21.

The shifting piece group comprises a handle shifting piece 2 and a latch shifting piece 3, a first shifting block 4 and a second shifting block 5 are arranged on the handle shifting piece 2, and a synapse 23 on the latch shifting piece 3 is movably positioned in a gap 22.

The latch bolt 6 can slide left and right in the lock shell 1, the front end of the latch bolt 6 can extend out of the lock shell 1, a mounting plate 7 is arranged in the lock shell 1, the connecting shaft 21 penetrates through the mounting plate 7, a third reset mechanism is arranged between the latch bolt 6 and the mounting plate 7 in a propping mode, and further the third reset mechanism is a reset spring 8, and the reset spring 8 is sleeved on the connecting shaft 21.

The rear end of the latch bolt 6 is provided with a baffle 9, the adjusting gap 22 is positioned between the baffle 9 and the mounting plate 7, a synapse 23 on the latch bolt shifting piece 3 can push the baffle 9 to enable the latch bolt 6 to slide rightwards, the handle is released, the latch bolt 6 resets under the action of the return spring 8, and meanwhile, the latch bolt shifting piece 3 can also be pushed to reset.

The push plate 10 is arranged in the lock shell 1 and is positioned on the right side of the shifting piece group, the push plate 10 is in up-and-down sliding connection with the lock shell 1, two contacts which are an upper contact 11 and a lower contact 12 are arranged on the push plate 10 respectively, and the first shifting block 4 can push the upper contact 11 to enable the push plate 10 to move upwards.

The inner side of the lock shell 1 is provided with a shifting piece 13 which is positioned below the handle shifting piece 2, the shifting piece 13 is connected to the lock shell 1 in a rotating mode, the shifting piece 13 is provided with a third shifting block 14 and a fourth shifting block 15, the second shifting block 5 can push the third shifting block 14 to enable the shifting piece 13 to rotate anticlockwise, and the fourth shifting block 15 can push the lower contact 12 to enable the push plate 10 to slide upwards.

The push plate 10 is provided with a lock plate 21, and the lock plate 21 is clamped on the push plate 10 and moves with the push plate 10.

The push plate 10 is provided with a reset tension spring 16, the lock shell 1 is provided with a tension spring mounting point 17, and two ends of the reset tension spring 16 are respectively connected to the tension spring mounting point 17 and the lock plate 21.

When 2 anticlockwise rotations of piece are dialled to the handle, push pedal 10 pushes away the slip through first shifting block 4, and when 2 clockwise rotations were dialled to the handle, push pedal 10 pushed away the slip through fourth shifting block 15, and the handle is put to the pine, and under the effect of extension spring 16 that resets, push pedal 10 resets, also can push away the handle simultaneously and dial 2 resets.

The first reset mechanism is a torsion spring 19, the torsion spring 19 is sleeved on the handle shaft 18, a clamping groove 20 is formed in the inclined tongue shifting piece 3, one end of the torsion spring 19 is clamped in the clamping groove 20, and the handle shifting piece 2 and the inclined tongue shifting piece 3 can reset automatically through the torsion spring.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

It is right above the utility model provides a balanced return structure of diversion spring bolt has carried out detailed introduction, and it is right to have used specific individual example herein the utility model discloses a principle and implementation mode have been elucidated, and the description of above embodiment is only used for helping to understand the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. The balance return structure of the turning spring bolt comprises a rotatable handle arranged on a door panel, a first reset mechanism is arranged at the joint of the handle and the door panel, a handle shaft extends into a lock shell, the handle shaft and a shifting unit synchronously rotate, the shifting unit drives the spring bolt to retract inwards, the spring bolt is connected with a connecting shaft, an adjusting gap used for reversing is arranged on the connecting shaft, and a synapse of the shifting unit is movable in the gap.

2. The balanced return structure of the direction-changing bolt of claim 1 wherein the second reset mechanism comprises a push plate and a reset tension spring, and the set of the shift is linked with the push plate.

3. The balanced return structure of the direction-changing bolt of claim 2, wherein the set of levers drives the latch bolt to slide linearly on the lock housing, the set of levers drives the latch bolt to the maximum moving stroke, after the set of levers is released, the latch bolt is reset by the third reset mechanism, the set of levers drives the push plate to move on the lock housing along the direction perpendicular to the sliding direction of the latch bolt, the set of levers drives the push plate to the maximum moving stroke, and after the set of levers is released, the push plate is reset by the reset tension spring.

4. The balanced return structure of diversion spring bolt of claim 2, characterized in that said shifting member group comprises a lever shifting member and a latch bolt shifting member coaxially arranged, said latch bolt shifting member drives the latch bolt to slide, said lever shifting member drives the push plate to slide.

5. The balanced return structure of diversion spring bolt of claim 3 characterized in that third canceling release mechanical system be reset spring, the lock shell on be equipped with the mounting panel, the even axle of latch bolt wear to establish on the mounting panel, reset spring cover establish on the even axle of latch bolt and its both ends top establish between latch bolt and mounting panel.

6. The balanced return structure of the direction-changing bolt of claim 5, wherein the end of the connecting shaft of the latch bolt is provided with a baffle plate, and the adjusting gap is positioned between the baffle plate and the mounting plate.

7. The balanced return structure of the direction-changing bolt of claim 2, wherein the lock case is provided with a tension spring mounting point, and two ends of the tension spring are respectively connected to the tension spring mounting point and the push plate.

8. The balanced return structure of the direction-changing bolt of claim 1, wherein the first return mechanism is a torsion spring, the torsion spring is sleeved on the handle shaft, and both ends of the torsion spring are clamped on the shift member set.

9. The balanced return structure of the direction-changing bolt of claim 1, wherein the shifting unit is provided with a slot for installing a return mechanism.

10. The balanced return structure of the direction-changing bolt of claim 2, wherein a shifting piece is arranged between the shifting piece group and the push plate, the shifting piece group and the shifting piece are rotationally linked, and the shifting piece drives the push plate to slide.

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