CN209874671U

CN209874671U - Intelligent door lock handle clutch with fireproof function

Info

Publication number: CN209874671U
Application number: CN201920150054.4U
Authority: CN
Inventors: 刘芳; 李会滨; 刘维平
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2019-12-31
Anticipated expiration: 2029-01-29

Abstract

The utility model belongs to the technical field of the intelligence lock technique and specifically relates to an intelligence lock handle clutch with fire prevention function. The method comprises the following steps: the handle switching assembly, the handle clutch assembly and the driving device are arranged on the handle; the handle switching assembly consists of an outer handle square shaft, a handle switching sleeve and a check ring; the handle clutch component consists of an inner handle, a large square shaft, a small square shaft, a square head adjusting screw, a fireproof linkage plate, a driving spring and a pushing spring; the handle switching assembly is used for connecting the opening motion of the outer handle to a handle clutch in a door, the handle switching shaft is of a blind hole structure, the outer handle of the door idles after being locked, and the defect that the toggle shaft hole of the existing external clutch and the lock body lock tongue is exposed is overcome. The utility model discloses can effectively solve security, the reliability defect that current intelligent lock external clutch exists to and clutch and electron device lead to the problem that can't unblank because of the overtemperature failure, the structure is small and exquisite, and is practical reliable, has improved the security and the reliability of intelligent lock.

Description

Intelligent door lock handle clutch with fireproof function

Technical Field

The utility model belongs to the technical field of the intelligence lock technique and specifically relates to an intelligence lock handle clutch with fire prevention function.

Background

A core component of the intelligent lock is a master control unlocking servo transmission mechanism (commonly called a clutch), the design technology of the component directly influences the practicability, reliability and safety of the lock, and three clutch schemes of an external clutch, a middle clutch and an internal clutch are formed according to different installation positions of the clutches; in the prior art, due to technical and cost reasons, more than 90% of intelligent locks use an external panel clutch mechanism or a middle clutch mechanism, and only a small amount of internal clutch mechanisms with high technical difficulty and high cost are used; the intelligent lock adopting the external clutch mechanism and the middle clutch mechanism is limited by the technology, key unlocking mechanisms such as a clutch output shaft or a lock tongue shifting shaft hole of the intelligent lock are positioned outside a door and are easy to be touched and damaged and can be unlocked technically, so that the safety of the intelligent lock is poor, in addition, an electronic device of the intelligent lock can only work below 80 ℃, can be invalid or damaged if meeting high temperature, cannot meet the fireproof requirement of the lock, and can reserve a mechanical lock core for emergency unlocking to greatly reduce the safety of the intelligent lock.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an intelligence lock handle clutch technique with fire prevention function provides new intelligence lock clutch scheme to for the method and the function of urgent unblanking of intelligence lock innovation a high temperature down and flee, provide new improvement technique and method to current intelligence lock clutching mechanism, solve security, the poor problem of reliability that intelligence lock clutching mechanism exists.

The utility model discloses a following technical scheme realizes: an intelligent door lock handle clutch with a fireproof function comprises a handle clutch assembly, a driving device and an outer handle switching assembly; the handle clutch component consists of a handle shaft, a large square shaft, a small square shaft, a square head adjusting screw, a fireproof linkage plate, a driving spring and a pushing spring; the inner part of the left front end of the handle shaft is a square through hole, a large square shaft is sleeved in the square through hole, a round or special-shaped through hole is arranged in the rear end of the handle shaft, a driving device is sleeved in the square through hole, an end cover is arranged on the outer side of the through hole, and a handle is arranged outside the rear end of the handle shaft; the left front end of the large square shaft is inserted into the square hole of the handle adapter sleeve, and a pushing spring is arranged between the rear end of the large square shaft and the driving device; a small square shaft, a square head adjusting screw, a fireproof linkage sheet, a screw rod and a driving nut are sequentially sleeved in the square through hole of the large square shaft from left to right; the left front end of the small square shaft is provided with a hexagonal hole matched with the hexagonal shaft on the handle adapter shaft, and the rear end of the small square shaft is provided with a screw hole matched and screwed with the square head adjusting screw; two ends of the fireproof linkage piece are provided with folded edges, the left front end folded edge is clamped with a radial groove on a square head adjusting screw, the rear end folded edge is abutted against a driving nut screwed on a screw rod, and a driving spring is arranged between the square head adjusting screw and the driving nut; the driving device is a speed reducing motor or a push-pull electromagnet with a screw rod and a driving nut; the handle switching subassembly comprises outer handle square shaft, handle switching axle, handle switching cover and retaining ring, and handle switching axle and handle switching cover penetrate from the square core spring bolt shifting shaft both sides of lock body respectively, cup joint in square through-hole and fix a position with the retaining ring.

According to the principle, the handle switching shaft, the handle switching sleeve and the lock tongue shifting shaft of the lock body can have various structural changes.

The utility model discloses still include following technical characteristic: the fireproof linkage piece is composed of two metal pieces through low-melting-point alloy fusion welding, when the temperature of the fireproof linkage piece is close to the melting point of a selected fusion welding material, the two metal pieces are separated from the fusion welding position, the hexagonal hole of the small square shaft is connected with the handle adapter shaft under the action of the driving spring, and the clutch is automatically connected.

The utility model has the advantages and beneficial effect:

1. the utility model discloses a built-in handle clutch control mode of unblanking, handle switching axle is the blind hole structure, be idle running state after locking, handle clutch joint when unblanking, the spring bolt shifting shaft that outer handle drove the lock body through the handle switching cover unblanks, clutch separation after the time delay of unblanking, outer handle and handle connect the pivot to become back idle running state, it exposes with lock body square core hole structure to have compensatied the external clutching mechanism of current intelligent lock, the not enough of easy technical opening and destruction, effectively solve the security that current intelligent lock clutching mechanism exists, the poor problem of reliability.

2. Because there is the difficult problem of overtemperature failure in electron device, the bottleneck that the reliability that leads to intelligent lock is low, the utility model discloses automatic joint's when having innovated the clutch overtemperature technical method has solved clutch and electron device and has leaded to the problem that can't unblank because of overtemperature failure, satisfies the needs of promptly unblanking and fleeing, accords with the tool to lock fire prevention requirement, has improved the security and the reliability of intelligent lock.

3. The utility model discloses the structure is small and exquisite, and is pleasing to the eye practical, easily makes the installation, is applicable to most semi-automatic type intelligent locks, and the installation direction of handle switching subassembly is adjustable, can constitute electronic clutching mechanism with multiple common lock body, provides improvement technique and method for external clutch intelligent lock, also can regard as the emergent unlocking mechanism use of full-automatic type intelligent lock.

Drawings

FIG. 1 is a diagram of an inner handle clutch construction.

Fig. 2 is a left side view of the inner handle clutch structure.

Fig. 3 is a structure diagram of a handle adapter of a lock body with a bolt shifting shaft structure.

Fig. 4 is a right side view of fig. 3.

Fig. 5 is a structural view of a handle adapter assembly of another lock body with a deadbolt shift shaft structure.

Fig. 6 is a right side view of fig. 5.

In the drawings are labeled: 1. handle shaft, 1-1, handle, 1-2, handle square hole, 1-3, set screw, 1-4, wire way, 2, driving device, 2-1, screw, 2-2, driving nut, 3, pushing spring, 4, large square shaft, 5, small square shaft, 5-1, hexagonal hole, 6, square adjusting bolt, radial groove 6-1, 7, fireproof linkage sheet, 8, driving spring, 9, end cover, 10, handle switching shaft, 10-1, hexagonal column, 10-2, hexagonal blind hole, 11, handle switching sleeve, 11-1, square hole, 11-2, round hole, 11-3, locating hole, 12, retainer ring, 13, lock body, 14, outer handle square shaft, 14-1, square shaft of square shaft, 15, square core bolt shifting shaft, 15-1, square through hole, 16. a positioning pin 17, a bolt shifting shaft 17-1 and a central hole.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

The utility model comprises a handle switching component, a handle clutch component and a driving device (2), and adopts a structure that the handle switching component is matched with a handle clutch, and a master control circuit controls the driving device (2); when the clutch is connected, the handle switching component enables the outer handle to open the door and rotate, the handle switching shaft (10) transmits the rotation to the handle clutch on the inner side of the door, and the handle switching sleeve (11) drives the square core lock bolt shifting shaft (15) and the lock bolt of the lock body to unlock and lock; when the clutch is separated, the small square shaft (5) in the square hole in the large square shaft (4) is separated from the hexagonal column (10-1) of the handle transfer shaft (10), and the handle transfer shaft (10) is in an idle state and cannot be unlocked and damaged violently outside a door; when the main control circuit controls the driving device (2) to work, the driving nut (2-2) pushes the driving spring (8) to enable the small square shaft (5) to move leftwards, the hexagonal hole (5-1) on the small square shaft (5) is spliced and combined with the hexagonal column (10-1) of the handle transfer shaft (10), the handle switching shaft (10) is driven to rotate by the handle outside the door, the small square shaft (5) and the large square shaft (4) are also linked together to drive the handle switching sleeve (11) and the square core bolt shifting shaft (15) of the lock body to rotate for unlocking, after unlocking delay, the driving device (2) is reset, the driving nut (2-2) pushes the fireproof linkage sheet (7) to drive the small square shaft (5) to move right, the small square shaft (5) is separated from the hexagonal column (10-1) of the handle transfer shaft (10), and the outside door handle and the handle transfer shaft (10) are restored to an idling normal state.

The utility model discloses fireproof linkage piece (7) have been designed in the clutch, when the temperature exceeded the service temperature of settlement, fireproof linkage piece temperature was close the melting point of selected fusion welding material, two sheetmetals of fireproof linkage piece (7) separated from the fusion welding department, under the effect of driving spring (8), little square shaft (5) left side shift, hexagonal hole (5-1) on little square shaft (5) and hexagonal post (10-1) grafting of handle switching shaft (10), at this moment, outdoors, the handle in the door all can take square core spring bolt shifting shaft (15) of lock body to rotate emergent the unblanking, more renew fireproof linkage piece (7) back, the handle clutch can resume the use.

Example (b):

an intelligent door lock handle clutch with a fireproof function is composed of a handle switching assembly, a handle clutch assembly and a driving device (2).

The handle switching assembly consists of an outer handle square shaft (14), a handle switching shaft (10), a handle switching sleeve (11) and a check ring (12); a square shaft hexagonal column (14-1) on an outer handle square shaft (14) is inserted into a hexagonal blind hole (10-2) of a handle transfer shaft (10), the handle transfer shaft (10) and a handle transfer sleeve (11) respectively penetrate through a square core bolt toggle shaft (15) of the lock body from two sides of the lock body, are sleeved in the square through hole (15-1), and are positioned by a check ring (12).

Another embodiment of the handle switching assembly is shown in fig. 5, a central hole (17-1) matched with the handle switching shaft (10) and two positioning pins (16) are arranged on a middle plate of a lock tongue shifting shaft (17) of the lock body, the handle switching shaft (10) and a handle switching sleeve (11) are respectively embedded in the lock body (13) from two sides, the handle switching shaft (10) penetrates through the central hole (17-1) of the lock tongue shifting shaft (17) and the handle switching sleeve (11) and is positioned by a check ring (12), and the positioning pin (16) of the lock tongue shifting shaft (17) is matched with and linked with a positioning hole (11-3) of the handle switching sleeve (11).

The handle clutch assembly consists of a handle shaft (1), a large square shaft (4), a small square shaft (5), a square head adjusting screw (6), a fireproof linkage plate (7), a driving spring (8) and a pushing spring (3); a handle square hole (1-2) is formed in the left front end of the handle shaft (1), a round or special-shaped through hole is formed in the rear end of the handle shaft, a handle (1-1) is arranged outside the rear end of the handle shaft (1), and a fastening screw (1-3) is used for fixing the driving device (2); the large square shaft (4) is sleeved in the handle square hole (1-2), the left front end of the large square shaft is inserted into the square hole (11-1) of the handle adapter sleeve (11), and a pushing spring (3) is arranged between the rear end of the large square shaft and the driving device (2), so that the large square shaft (4) can automatically stretch and change; the large square shaft (4) is internally provided with a square through hole, and a small square shaft (5), a square head adjusting screw (6), a fireproof linkage sheet (7), a screw rod (2-1) and a driving nut (2-2) are sequentially sleeved from left to right; the inner part of the left front end of the small square shaft (5) is provided with a hexagonal hole (5-1) which is matched with a hexagonal column (10-1) on the handle transfer shaft (10), the rear end of the small square shaft (5) is provided with a screw hole which is matched and screwed with the square head adjusting screw (6), and the square head adjusting screw (6) can adapt to axial displacement change by rotating; a groove (6-1) is formed in the square head of the square head adjusting screw (6); the front end and the rear end of the fireproof linkage sheet (7) are both provided with folded edges, the folded edges at the front end are clamped with a groove (6-1) of the square head adjusting screw (6), the folded edges at the rear end are abutted against a driving nut (2-2) screwed on the screw rod (2-1), and a driving spring (8) is arranged between the square head adjusting screw (6) and the driving nut (2-2).

The driving device (2) is a speed reducing motor or a push-pull electromagnet with a screw rod (2-1) and a driving nut (2-2), the driving device (2) is sleeved in a round or special-shaped through hole of the handle shaft (1), a lead of the driving device is led out of the handle shaft through a wire groove (1-4) and is connected with an intelligent lock control system, an end cover (9) is further arranged at the outer end of the round or special-shaped through hole, and a pushing spring (3) is arranged between the large square shaft (4) and the driving device (2).

When the lock is unlocked, the screw rod (2-1) of the driving device (2) rotates or moves, the driving nut (2-2) moves forwards, the driving spring (8) pushes the small square shaft (5) to move forwards, so that the hexagonal hole (5-1) is sleeved with the hexagonal column (10-1) of the handle transfer shaft (10), the clutch is engaged, at the moment, the handle transfer shaft (10) is driven to rotate through the outer handle square shaft (14), the small square shaft (5) and the large square shaft (4) are also linked together, and the handle transfer sleeve (11) and the square core lock tongue stirring shaft (15) of the lock body are driven to rotate to unlock; after unlocking delay, the driving device (2) resets, the driving nut (2-2) moves backwards, the fireproof linkage piece (7) is pushed to drive the small square shaft (5) to move backwards, the hexagonal hole (5-1) is separated from the hexagonal column (10-1) of the handle transfer shaft (10), and the outer handle square shaft (14) and the handle transfer shaft (10) idle.

According to the principle and spirit of the present invention, the present invention can also have other embodiments, and modifications, equivalent replacements, structural changes, etc. to the embodiments are all included in the protection scope of the present invention.

Claims

1. The utility model provides an intelligence lock handle clutch with fire prevention function, by handle switching subassembly, handle clutch assembly, drive arrangement (2) constitute, characterized in that: the handle switching assembly consists of an outer handle square shaft (14), a handle switching shaft (10), a handle switching sleeve (11) and a check ring (12), wherein the handle switching shaft (10) and the handle switching sleeve (11) respectively penetrate through two sides of a square core shifting shaft (15), are sleeved in a square through hole (15-1) and are positioned by the check ring (12); the handle clutch assembly consists of a handle shaft (1), a large square shaft (4), a small square shaft (5), a square head adjusting screw (6), a fireproof linkage plate (7), a driving spring (8) and a pushing spring (3); the inside square hole (1-2) that is equipped with of handle axle (1) left front end, built-in big square shaft (4), the inside circular or special-shaped through-hole that is of rear end, built-in drive arrangement (2), end cover (9) are equipped with in the outside of through-hole, the outside of handle axle (1) rear end has handle (1-1).

2. An intelligent door lock handle clutch with fire prevention function as claimed in claim 1, wherein: the front end of the large square shaft (4) is inserted into a square hole (11-1) of the handle adapter sleeve (11), a small square shaft (5), a square head adjusting screw (6), a fireproof linkage sheet (7), a screw rod (2-1) and a driving nut (2-2) are sequentially sleeved in the square through hole of the large square shaft (4) from left to right, and a pushing spring (3) is arranged between the right end of the large square shaft (4) and the driving device (2); the left front end of the small square shaft (5) is provided with a hexagonal hole (5-1) which is matched with a hexagonal shaft (10-1) on a handle transfer shaft (10), the center of the small square shaft is provided with a screw hole which is matched and screwed with a square head adjusting screw (6), one hem of a fireproof linkage sheet (7) is clamped with a radial groove (6-1) on the square head adjusting screw (6), the other hem of the fireproof linkage sheet (7) is abutted against a driving nut (2-2) screwed on a screw rod (2-1), and a driving spring (8) is arranged between the square head adjusting screw (6) and the driving nut (2-2).

3. The intelligent door lock handle clutch with the fireproof function of claim 1, wherein: the driving device (2) is a speed reducing motor or a push-pull electromagnet with a screw rod (2-1) and a driving nut (2-2).

4. The intelligent door lock handle clutch with the fireproof function of claim 1, wherein: the fireproof linkage sheet (7) is formed by fusion welding of two metal sheets through low-melting-point alloy, and when the temperature of the fireproof linkage sheet is close to the melting point of the selected fusion welding material, the two metal sheets are separated from the fusion welding position.