CN115162846A

CN115162846A - Door and window locking device

Info

Publication number: CN115162846A
Application number: CN202210937339.9A
Authority: CN
Inventors: 俞春雷
Original assignee: ZHEJIANG BEITE WINDOWS AND DOORS ENGINEERING CO LTD
Current assignee: ZHEJIANG BEITE WINDOWS AND DOORS ENGINEERING CO LTD
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-10-11

Abstract

The invention discloses a door and window locking device, which comprises a lock box, a shaft seat, a rotating shaft, an inserted rod, a ratchet-pawl mechanism, gears and racks which are meshed with each other, wherein the rear end of the rotating shaft is arranged in the inner cavity of the lock box through a shaft seat limiting support, the front end of the rotating shaft penetrates out of a shaft hole in the front side surface of the lock box, the gears and the ratchet are fixedly arranged on the rotating shaft through one way, the top end of the inserted rod penetrates out of the shaft holes in the upper side and the lower side of the lock box, the rear end of the inserted rod is connected with the racks, the racks are movably supported and guided by supporting and guiding mechanisms on the left side and the right side of the inner cavity of the lock box, pawls are supported and arranged by a lock plate, spring mounting grooves and jacking block mounting grooves which are respectively arranged on the two sides of the pawls are arranged on the lock plate, a spring jacking pawl is automatically contacted with the ratchet, and a jacking block is arranged in the jacking block mounting groove through clearance fit to jack the pawl so as to enable the pawl to be separated from the ratchet; the ratchet wheel and pawl mechanism controls the rotation angle of the rotating shaft, so that the locking position of the lock tongue can be automatically adjusted, and the locking and unlocking operations do not need to exert force in the whole process.

Description

Door and window locking device

Technical Field

The invention belongs to the technical field of door and window sealing assistance and opening prevention, and particularly relates to a door and window locking device.

Background

The patent number is 201521012820.9's utility model discloses an install and be used for preventing opening and supplementary sealed locks in door and window, this locks adopts and sets up the inclined plane spring bolt at two inserted bar anterior segments, it is right to join in marriage to drive the airtight locked groove extrusion on spring bolt and the door frame through inserted bar axial displacement, the pressure of perpendicular to shop front is applyed to the door, make the door sticis in the door frame, the inserted bar is connected by rack and pinion mechanism drive with rack of rack and pinion mechanism and is removed, the pivot of installation gear is connected with a handle and is rotated drive gear by the handle pendulum, set up in the bellied stopper of lock box top surface and set up the spacing groove on the handle and correspond the cooperation and constitute the spacing locking mechanical system of handle, the position of injecing the handle, thereby the locking spring bolt is in the position of lock state. The handle needs to be pulled forcefully in the whole locking and unlocking process of the lockset, and the limiting block and the limiting groove can be inserted in place smoothly only by well mastering the strength when the handle and the limiting block are aligned, so that the operation is inconvenient and the labor consumption is high. And the limit angle of the handle is fixed, and the locking position of the lock tongue cannot be adjusted, so that the locking force of the locking position matched by extrusion between the lock tongue and the door frame cannot be adjusted, and the door and window cannot be adapted to use change of doors and windows. The limiting block can bear large bending force and is easy to damage.

Disclosure of Invention

The invention aims to overcome the defects that the locking position of the lock tongue of the existing door lock cannot be adjusted, and the handle needs to be forcibly pulled in the whole locking and unlocking process, and provides a door and window locking device with the adjustable locking position of the lock tongue and without the need of forcing in the whole locking and unlocking process.

Therefore, the invention adopts the following technical scheme: a door and window locking device comprises a lock box, an axle seat, a rotating shaft, an inserting rod, and a gear and a rack which are meshed with each other, wherein the axle seat is arranged in the inner cavity of the lock box, the front side surface of the lock box is provided with an axle hole, the rotating shaft is supported and arranged in the inner cavity of the lock box in a limiting way by the axle seat, the top end of the rotating shaft penetrates out of the axle hole, the gear is fixedly arranged on the rotating shaft and is positioned in the inner cavity of the lock box, at least one side surface of the upper side surface and the lower side surface of the lock box is provided with an inserting rod through hole, at least one side surface of the left side surface and the right side surface of the inner cavity of the lock box is provided with a supporting guide mechanism to form moving supporting guide for the rack, the rack is connected with the rear end of the inserting rod, the front end of the inserting rod penetrates out of the inserting rod through hole and is connected with an inclined plane spring bolt, the rack is driven to move linearly by the rotation of the gear, the door and window locking device is characterized by further comprising a ratchet wheel and pawl mechanism, wherein a ratchet wheel is fixedly arranged on the rotating shaft and rotates coaxially with the gear, the pawl is supported and installed by a lock plate, a spring installation groove and a top support block installation groove are formed in the lock plate and are respectively arranged on two sides of the pawl, a spring top support pawl is installed in the spring installation groove and is in automatic contact with the ratchet wheel, a top support block is installed in the top support block installation groove in a clearance fit mode, and the top support block slides in the top support block installation groove to support the pawl so that the pawl is separated from the ratchet wheel; the front side of lock box has seted up elongated slot's top vaulting piece and has dialled a piece through-hole, is equipped with a top vaulting piece outside the lock box front side, and top vaulting piece dials the piece and passes top vaulting piece stirring piece through-hole and top vaulting piece fixed connection slide through top vaulting piece stirring and drive the top vaulting piece and slide in the top vaulting piece mounting groove and realize propping or breaking away from the pawl.

In addition to or in addition to the above, the present invention also includes the following features.

The supporting and guiding mechanism is a sliding groove arranged on the side part of the inner cavity of the lock box, and the rack is embedded in the sliding groove to do linear sliding motion.

The lock box on install a top vaulting piece and dial a stop gear, the top vaulting piece dial and set up on the piece and prop up the piece and dial a structure and prop up the piece stop gear and correspond the cooperation, can carry out spacingly to the piece that props up.

The top supporting block shifting part limiting mechanism is a coded lock, and the top supporting block shifting part matching structure is a lock tongue jack matched with a lock tongue of the coded lock. The position of the top supporting block shifting piece can be limited by inserting the lock tongue of the coded lock into the lock tongue insertion hole.

The coded lock is a fingerprint coded lock, a dial type coded lock or a digital key type coded lock.

The ratchet wheel locking device is characterized in that the inserted rod is sleeved with a return spring, the lock box is provided with a return spring limiting part, one end of the return spring is fixed relative to the inserted rod, the other end of the return spring is limited by the return spring limiting part, the spring deforms to form elastic force when the inserted rod extends forwards and moves, and the elastic force of the spring provides power for the backward movement of the inserted rod when the pawl is separated from the ratchet wheel.

Further the reset spring locating part comprises a spring sleeve, one end of the spring sleeve is open and is fixedly connected with the lock box, the other end cover is provided with a cover plate, a through hole is formed in the cover plate and is used for the insertion rod to pass through, the reset spring is contained in the spring sleeve, and one end of the spring is abutted against the cover plate to achieve limiting.

The top end of the rotating shaft is connected with a handle through a connecting mechanism, and the rotating shaft is driven to rotate by swinging and rotating by taking the rotating shaft as a center through the handle.

The connecting mechanism comprises a radial hole formed in the top end of the rotating shaft and a pin shaft penetrating and rotating in the radial hole, and the handle is hinged to the top end of the rotating shaft through the pin shaft, so that the angle between the handle and the rotating shaft can be adjusted when the handle swings around the pin shaft.

The connecting mechanism can also be a plug-in type matching polygonal plug and jack, the jack is arranged at the top end of the rotating shaft, the plug is formed by bending the head of the handle, and the handle can be pulled out through the plug-in type handle structure when the lockset does not need to be operated.

When the door is used, the door is installed on a door leaf, when a handle swings around a rotating shaft as a center, the rotating shaft is driven to rotate, the rotating shaft drives a gear and a ratchet wheel to rotate coaxially and simultaneously, the gear drives a rack to move, so that an inserted rod is driven to move, the inserted rod extends forwards to move, so that a lock tongue at the front end of the inserted rod is inserted into a lock groove on a door frame, and the inserted rod retracts backwards to move, so that the lock tongue at the front end of the inserted rod is separated from the lock groove on the door frame. The pawl contacts with the ratchet wheel to limit the rotation of the ratchet wheel, so that the rotation of the gear is limited, the position of the lock tongue can be limited, the spring top support pawl automatically contacts with the ratchet wheel to limit the position, the top support block poking piece drives the top support block to slide, the top support pawl is separated from the ratchet wheel to remove the position limitation, and the lock tongue locking and unlocking operation is realized without exerting force in the whole process. The pawl is positioned at different contact positions of the ratchet wheel, so that the locking position of the lock tongue can be adjusted.

The invention can achieve the following beneficial effects: the ratchet pawl mechanism which coaxially rotates with the rack and pinion mechanism for driving the inserted link lock tongue to move is arranged to control the rotation angle of the rotating shaft, so that the locking position of the lock tongue can be automatically adjusted, and the locking and unlocking operation does not need to exert force in the whole process; the position of the top support block moving to the top support pawl is limited by the coded lock, so that the opening and the locking of the lockset can be controlled, and the anti-theft performance of the locking device is improved.

Drawings

FIG. 1 is a front view of one embodiment of the present invention.

Fig. 2 is a right side view of one embodiment of the present invention.

Fig. 3 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 1.

Fig. 4 is a sectional view B-B of fig. 1.

Fig. 5 is a cross-sectional view C-C of fig. 2.

Fig. 6 is a cross-sectional view D-D of fig. 2.

Fig. 7 is a front view of another embodiment of the present invention.

Fig. 8 is a right side view of another embodiment of the present invention.

Fig. 9 is a cross-sectional view E-E of fig. 7.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and the described embodiments are illustrative and explanatory of the invention and do not constitute a limitation of the invention.

It is to be noted that technical and scientific terms used in the embodiments of the present invention should have the ordinary meanings as understood by one of ordinary skill in the art to which the present invention belongs, unless otherwise defined. The use of "first," "second," and similar terms in the present disclosure do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or component appearing before the word, includes the element or component listed after the word and its equivalents, but does not exclude other elements or components. The terms "connected" or "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect, "upper, lower, left, right, front, rear, top, bottom" and the like, which are used to indicate relative positional relationships, and when the absolute position of a described object is changed, the relative positional relationships may be changed accordingly.

As shown in fig. 1 to 6, the present invention is a door and window locking device, which comprises a lock case 1, a shaft seat 11, a rotating shaft 7, an inserted link 4, a ratchet and pawl mechanism, a gear 12 and a rack 10, which are engaged with each other. Axle bed 11 fixed mounting is on locking box inner chamber back wall, and the shaft hole is seted up to the leading flank of locking box 1, and the bottom of pivot 7 is installed in locking box inner chamber by the spacing support of axle bed 11, the top of pivot 7 wear out in the shaft hole, and gear 12 fixed mounting is in pivot 7 and lie in locking box inner chamber, and the upper and lower both sides side of locking box 1 all is provided with the inserted bar through-hole, and the left and right sides lateral part of locking box inner chamber all is provided with the spout as supporting guiding mechanism, has set a rack 10 in every slot, forms the removal support direction to rack 10 by the spout. One end of the rack 10 is bent, a screw hole is formed in the bent head, an external thread is arranged at the rear end of the inserted rod 4, and the rear end of the inserted rod and the screw hole are in threaded connection and fixed. The front end of the inserted bar 4 penetrates out of the inserted bar through hole, and the front end of the inserted bar is connected with an inclined plane spring bolt. The gear rotates to drive the rack to move linearly, so that the inserted rod is driven to move linearly, and the lock tongue at the end of the inserted rod is driven to be inserted into or separated from the lock groove on the door frame. The ratchet wheel 8 of the ratchet wheel-pawl mechanism is fixedly arranged on the rotating shaft 7 and rotates coaxially with the gear 12. The lock box 1 is provided with a lock plate 9, the lock plate 9 is sleeved outside the ratchet wheel 8 by being provided with a ratchet wheel cavity, the lock plate 9 is provided with a pawl cavity which is positioned on the side of the ratchet wheel cavity and communicated with the ratchet wheel cavity, one end of the pawl 15 is a cylindrical mounting part, the other end of the pawl is a pawl part, the lock plate 9 is provided with a cylindrical hole which is matched with the pawl mounting part, and the pawl is supported and mounted by matching the cylindrical hole and the pawl mounting part, so that the pawl can swing and rotate in the pawl cavity.

Be provided with spring mounting groove and top vaulting piece mounting groove on the jam plate 9, pawl chamber both sides are located to spring mounting groove and top vaulting piece mounting groove branch, and 16 top vaulting pawls of an installation spring in the spring mounting groove 15 and ratchet automatic contact of ratchet 8, through clearance fit installation top vaulting piece 14 in the top vaulting piece mounting groove, the top vaulting piece slides in the top vaulting piece mounting groove and props the pawl and make it break away from the contact with the ratchet. The front side face of the lock box 1 is provided with a long groove-shaped top support block stirring piece through hole, a top support block stirring piece 5 is arranged outside the front side face of the lock box, the top support block stirring piece 5 penetrates through the top support block stirring piece through hole and the top support block 14 and is driven to slide in the top support block mounting groove through manual driving of the top support block stirring piece so as to realize top support or separation of the pawl.

The inserted link 4 is sleeved with a return spring 13. The side of the lock box 1 provided with the insertion rod through hole is connected with a spring sleeve 3 serving as a reset spring limiting part, one end of the spring sleeve 3 is opened and is fixedly connected with the lock box 1, the other end cover is provided with a cover plate, and the cover plate is provided with a through hole for the insertion rod to pass through. One end of a return spring 13 is abutted against the bent head of the rack 10 and is fixed relative to the inserted rod 4, the other end of the return spring is abutted against the cover plate of the spring sleeve 3 and is limited by the cover plate, the spring deforms to form elastic force when the inserted rod moves forwards, and the elastic force of the spring provides power for the backward movement of the inserted rod when the pawl is disengaged from the ratchet wheel.

The top end of the rotating shaft is connected with a handle 2 through a connecting mechanism, and the rotating shaft is driven to rotate by swinging around the rotating shaft through the handle. The connecting mechanism comprises a radial hole formed in the top end of the rotating shaft and a pin shaft penetrating and rotating in the radial hole, and the handle is hinged to the top end of the rotating shaft through the pin shaft, so that the angle between the handle and the rotating shaft can be adjusted when the handle swings around the pin shaft as a center.

The connecting mechanism can also be a plug-in type matched polygonal plug and jack, the jack is formed in the top end of the rotating shaft, the plug is formed in the head portion of the handle in a bending mode, and the handle can be pulled out through the plug-in type handle structure when the lockset does not need to be operated.

Install on the lock box 1 and dial a stop gear's take fingerprint identification formula digit button trick lock 6 as the top bracer, set up on the top bracer and dial 5 the spring bolt through-hole and dial the spring bolt of piece and match structure and trick lock as the top bracer and correspond the cooperation, the spring bolt inserts behind the spring bolt through-hole and dials the piece and carries on spacingly to the top bracer.

As shown in fig. 7 to 9, in the above embodiment, the combination lock 6 may be a dial combination lock as another embodiment.

Claims

1. The utility model provides a door and window locking device, includes lock box, axle bed, pivot, inserted bar and intermeshing's gear, rack, and the axle bed is installed in lock box inner chamber, and the shaft hole is seted up to the leading flank of lock box, and the pivot by the spacing support of axle bed is installed in lock box inner chamber, and wear out on the pivot top the shaft hole, gear fixed mounting are in the pivot and lie in lock box inner chamber, and the upper and lower both sides side of lock box is one of them side at least and is provided with the inserted bar through-hole, and the at least one of them side lateral part of lock box inner chamber left and right sides sets up and supports guiding mechanism and form the removal to the rack and support the direction, the rack is continuous with the inserted bar rear end, and the inserted bar through-hole is worn out to the inserted bar front end and connect inclined plane spring bolt, its characterized in that: the door and window locking device further comprises a ratchet wheel and pawl mechanism, wherein the ratchet wheel is fixedly arranged on the rotating shaft and rotates coaxially with the gear, the pawl is supported and installed by a locking plate, a spring installation groove and a top support block installation groove are formed in the locking plate and are respectively arranged on two sides of the pawl, a spring top support pawl is installed in the spring installation groove and is automatically contacted with the ratchet wheel, a top support block is installed in the top support block installation groove in a clearance fit mode, and the top support block slides in the top support block installation groove to support the pawl so that the pawl is separated from the ratchet wheel; the front side of lock box has seted up elongated slot's top vaulting piece and has dialled a piece through-hole, is equipped with a top vaulting piece outside the lock box front side, and top vaulting piece dials the piece and passes top vaulting piece stirring piece through-hole and top vaulting piece fixed connection slide through top vaulting piece stirring and drive the top vaulting piece and slide in the top vaulting piece mounting groove and realize propping or breaking away from the pawl.

2. A door and window locking device according to claim 1, wherein: the lock is characterized in that the inserted bar is sleeved with a return spring, the lock box is provided with a return spring limiting part, one end of the return spring is relatively fixed with the inserted bar, and the other end of the return spring is limited by the return spring limiting part.

3. A door and window locking device according to claim 2, wherein: the reset spring limiting part comprises a spring sleeve, one end of the spring sleeve is open and is fixedly connected with the lock box, the other end cover is provided with a cover plate, a through hole is formed in the cover plate and is used for the insertion rod to pass through, the reset spring is contained in the spring sleeve, and one end of the spring abuts against the cover plate.

4. A door and window locking device according to claim 1, wherein: the supporting and guiding mechanism is a sliding groove arranged on the side part of the inner cavity of the lock box, and the rack is embedded in the sliding groove to do linear sliding motion.

5. A door and window locking device according to claim 1 or 4, wherein: the lock box on install a top vaulting piece stirring piece stop gear, the top vaulting piece stir and set up on the piece top vaulting piece stirring piece and stir the piece structure and the corresponding cooperation of piece stop gear is stirred to the top vaulting piece.

6. A door and window locking device according to claim 5, wherein: the top supporting block shifting part limiting mechanism is a coded lock, and the top supporting block shifting part matching structure is a lock tongue jack matched with a lock tongue of the coded lock.

7. A door and window locking device according to claim 6, wherein: the coded lock is a fingerprint coded lock, a dial type coded lock or a digital key type coded lock.

8. A door and window locking device according to claim 1 or 6, wherein: the top end of the rotating shaft is connected with a handle through a connecting mechanism.

9. A door and window locking device according to claim 8, wherein: the connecting mechanism comprises a radial hole formed in the top end of the rotating shaft and a pin shaft penetrating and rotating in the radial hole, and the handle is hinged to the top end of the rotating shaft through the pin shaft.

10. A door and window locking device according to claim 8, wherein: the connecting mechanism comprises a plug-in type matched polygonal plug and a jack, the jack is arranged at the top end of the rotating shaft, and the plug is formed by bending the head of the handle.