CN212359353U

CN212359353U - Sealed fireproof door panel lock

Info

Publication number: CN212359353U
Application number: CN202020960263.8U
Authority: CN
Inventors: 姚春良; 肖本茂
Original assignee: Ningbo Shengjiu Cabinets Lock Co Ltd
Current assignee: Ningbo Shengjiu Technology Co.,Ltd.
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-01-15
Anticipated expiration: 2030-05-29

Abstract

The utility model relates to a fire door panel lock is prevented to canned type is comparatively inconvenient to current like product loading and unloading production, and the leakproofness is not good enough to lead to dustproof and waterproof structural design not good enough and design. A handle of a handle transmission assembly is arranged in a handle groove on one side of a base of the panel lock, one side of the handle is connected with one end of a shifting fork through a handle rotating shaft, the handle rotating shaft at the handle is provided with a torsion spring, and the other end of the shifting fork extends out of the bottom of the base; the key points are that the other end of a shifting fork at the bottom of the base is connected with a connecting lever at one side of a rotating shaft fixing seat of a cross rotating shaft assembly through a bent spring rod, the rotating shaft fixing seat is fixed on the cross rotating shaft through an inner side cotter pin, a square section of the cross rotating shaft is sleeved in a central square hole of the rotating shaft fixing seat, one end of the cross rotating shaft is fixed on a shaft sleeve at the bottom of the base through a cylindrical head, a cross rotating shaft torsion spring is arranged between the rotating shaft fixing seat and the bottom of the base, and a handle of a handle transmission assembly is sequentially linked through the shifting.

Description

Sealed fireproof door panel lock

Technical Field

The utility model relates to a panel lock is a fire door panel lock is prevented to canned type.

Background

The panel lock is a hardware lock which is arranged in a mounting hole of a metal cabinet door or a wood cabinet door and is aligned with the plane of the cabinet door. The fireproof door is a door capable of meeting the requirements of fire-resistant stability, integrity and heat insulation within a certain time, is mainly arranged at building passages which have certain fire resistance and need to be separated in a fireproof way, such as a fireproof partition, an evacuation staircase, a vertical shaft and the like, has the functions of preventing fire spreading and smoke diffusion besides the function of a common door, can prevent the fire spreading within a certain time and ensures the evacuation of people. The existing fireproof door lock is disclosed as an application number 201521125310.2 in Chinese patent literature, a granted announcement date 2016.06.01, and a utility model name of 'a connecting device of a top-to-bottom connecting rod fireproof door lock'; however, the products and the like have the problems of insufficient dustproof and waterproof structural design and poor sealing performance.

Disclosure of Invention

In order to overcome the defects, the utility model aims to provide a sealed fireproof door panel lock in the field, which is inconvenient for the user to assemble and disassemble the existing like products and solves the technical problem of poor sealing performance, which leads to the design of a dustproof and waterproof structure. The purpose is realized by the following technical scheme.

A sealed fireproof door panel lock is characterized in that a handle of a handle transmission assembly is arranged in a handle groove on one side of a base of the panel lock, one side of the handle is connected with one end of a shifting fork through a handle rotating shaft, the handle rotating shaft at the position of the handle is provided with a torsion spring and a sealing ring, and the other end of the shifting fork extends out of the bottom of the base; the key point of the structural design is that the other end of the shifting fork at the bottom of the base is connected with a connecting lever at one side of a rotating shaft fixing seat of the cross rotating shaft assembly through a bent spring rod, a cross rotating shaft is arranged in a central square hole of the rotating shaft fixing seat, the rotating shaft fixing seat is fixed in the cross rotating shaft through an inner side cotter pin, a square section of the cross rotating shaft is sleeved in the central square hole of the rotating shaft fixing seat, one end of the cross rotating shaft is fixed in a shaft sleeve at the bottom of the base through a cylindrical head, a cross rotating shaft torsional spring is arranged between the rotating shaft fixing seat and the bottom of the base, and a handle of. The panel lock drives the connected lock tongue to move through the cross rotating shaft to realize the opening and closing of the cabinet door, and the connecting piece of the lock tongue is a steel wire or a connecting rod; or the cross rotating shaft is inserted into the bolt assembly, and the lock bolt in the bolt assembly is driven to rotate through the cross rotating shaft, so that the cabinet door is opened and closed.

The handle groove one side of base is equipped with the lock core groove, and the lock core subassembly of handle locking subassembly sets up in the lock core groove of base, and the lock core subassembly that stretches out the base bottom passes through the locking plate to be connected with the one end of bolt, and the shift fork of spring beam and shift fork junction is equipped with the spacing step that exceeds bolt bottom plane, and the other end of bolt passes through the locking plate and drives the back of stretching out, and the bolt supports the spacing step border restriction shift fork rotation of shift fork. Therefore, the shifting fork is unlocked or unlocked through the lock cylinder assembly.

The handle transmission assembly is arranged on the base, the handle transmission assembly is arranged on the handle transmission assembly, the handle transmission assembly is arranged on the base, the EVA gasket is arranged on the base, the plane on one side of the key hole of the handle transmission assembly is abutted to the EVA gasket of the handle transmission assembly, the handle transmission shaft of the handle transmission assembly is arranged on the base, the torsion spring is arranged. Thereby the cylinder subassembly of handle locking subassembly is opened through the jam plate and is used or close and hide, still has waterproof dustproof function simultaneously.

The handle rotating shaft comprises a left rotating shaft and a right rotating shaft, the small-circle-diameter flat key ends of the left rotating shaft and the right rotating shaft are connected with a shifting fork fixed on the base, the small-circle-diameter flat key end of the right rotating shaft is sleeved into the shifting fork through the base, and the shaft portions of the right rotating shaft and the left rotating shaft on two sides of the shifting fork are fixed on the handle through pan head screws respectively. The handle pivot for lock cover plate and handle realizes assembly and use through the left pivot and the right pivot of combination to when the handle drives the shift fork pivoted through left pivot and handle, the right pivot does not take the jam plate lid to rotate.

The bottom of base is equipped with to the bellied ear seat of handle groove one side, and in the ear seat of base bottom was inserted to the small circle footpath parallel key end of shift fork one end left pivot and the right pivot of handle transmission subassembly, handle transmission subassembly's handle one side ear seat one side is equipped with open-ended ear groove, and the ear seat of base is inserted to the ear groove of handle, and handle and shift fork are fixed in the ear seat of base through the handle pivot. The structure facilitates the assembly of the handle and the further utilization of the space for arranging the components.

An opening torsion spring clamping column is arranged at the handle rotating shaft in the handle groove of the base, one end of a torsion spring of the left rotating shaft is clamped on the handle, and the other end of the torsion spring is clamped on the torsion spring clamping column; the torsion spring is arranged at the position to prevent the handle from being incapable of resetting (or insufficient resetting force) after being opened. One end of a torsional spring of the right rotating shaft is clamped on one side of the lug seat of the lock cover plate, the other end of the torsional spring is clamped in the U-shaped groove of the base, and a gasket is arranged on the outer side of the torsional spring of the right rotating shaft. The torsional springs respectively provide self-resetting after opening for the lock cover plate and the handle, the lock cover plate is arranged on the right rotating shaft, the left side of the lock cover plate is provided with the torsional spring and the gasket, the gasket limits the torsional spring to move rightwards, meanwhile, the torsional spring is prevented from interfering with the handle, and the specific setting mode of the torsional spring at the left rotating shaft and the torsional spring at the right rotating shaft is described.

The bolt of the handle locking assembly is arranged in the bolt groove of the base through the pressing plate, the pressing plate is fixed to the bottom of the base through the M3 screw, the bolt in the pressing plate is provided with a spring groove, the spring is arranged in the spring groove of the bolt, one end of the spring is abutted to a bolt limiting edge on one side of the spring groove in the bolt, and the other end of the spring is abutted to a plate limiting edge on one side of the pressing plate. The above-mentioned is the concrete structure embodiment that the bolt is fixed to be set up in the base bottom, and the spring is convenient for the automatic re-setting of bolt.

The bolt of handle locking subassembly is the L font, and the crooked one end of bolt is located one side of spring lever, and the waist shape downthehole diameter of the bolt other end offsets with the locking plate one end perk external diameter of handle locking subassembly, and the spring groove of bolt sets up in the face between crooked department and waist shape hole. The above is a specific structural embodiment of the latch, and a specific structural embodiment of automatically resetting the latch by a spring.

The spring rod is ear-shaped, and the bending section of spring rod has two big bendings of size to form promptly, and the big crooked end of spring rod inserts the bellied department turning arm of pivot fixing base perpendicularly, and the spring rod tip that stretches out the pivot fixing base is equipped with the plum blossom retaining ring, and the little crooked end of spring rod transversely inserts through the split pin and is fixed in the shift fork. The specific structural embodiment of the spring rod is convenient for the arrangement and assembly of the corresponding parts at the bottom of the base and the reasonable arrangement of space.

The pivot fixing base of cross pivot subassembly is the U font, and the U-shaped mouth both sides of pivot fixing base are equipped with central square hole and central round hole respectively, and the axle sleeve external diameter of base bottom is emboliaed to the central round hole of pivot fixing base, and the split pin is located the inboard of pivot fixing base. The above is the concrete structure embodiment of pivot fixing base, the installation of the cross pivot of being convenient for is fixed and is fixed the linkage.

The utility model has reasonable structural design, beautiful appearance, good dustproof and waterproof sealing performance and convenient use and installation; the panel lock is suitable for being used as a panel lock of a fireproof door or the like cabinet door and the structural improvement of the like product.

Drawings

Fig. 1 is a schematic view of the cross-sectional explosion structure of the present invention.

Fig. 2 is a schematic diagram of a cross-sectional explosion structure of the present invention.

Fig. 3 is a schematic view of the structure of the handle opened state of the present invention.

Fig. 4 is a schematic diagram of the explosion structure of the present invention.

Fig. 5 is a rear structure diagram of the present invention.

Fig. 6 is a schematic view of the opening structure of the pressing plate of fig. 5, in which the cross-shaped rotation shaft is omitted.

Figure number and name: 1. handle locking subassembly, 101, lock core subassembly, 102, spring, 103, bolt, 104, clamp plate, 105, M3 screw, 106, locking plate, 2, handle transmission subassembly, 201, handle, 202, left pivot, 203, right pivot, 204, sealing washer, 205, torsion spring, 206, sealing washer, 207, pan head screw, 208, shift fork, 2081, spacing step, 209, packing ring, 3, cross pivot subassembly, 301, cross pivot, 302, pivot fixing base, 303, cross pivot torsional spring, 4, jam plate, 5, base, 501, torsion spring card post, 6, spring beam, 7, plum blossom baffle, 8, split pin, 9, EVA gasket.

Detailed Description

The structure and use of the present invention will now be further described with reference to the accompanying drawings. As shown in fig. 1-6, four screw mounting posts are respectively arranged at the bottom end corner of a base 5 of the panel lock, a handle 201 of a handle transmission component 2 is arranged in a handle groove on one side of the base, one side of the handle is connected with one end of a shifting fork 208 through a handle rotating shaft, the handle rotating shaft at the handle is provided with a torsion spring 205 and a sealing ring 206, the other end of the shifting fork extends out of the bottom of the base, the other end of the shifting fork at the bottom of the base is connected with a crank arm on one side of a rotating shaft fixing seat 302 of a cross rotating shaft component 3 through a bent spring rod 6, and a cross rotating shaft 301 is. The pivot fixing base is the U font, the U-shaped mouth both sides of pivot fixing base are equipped with central square hole and central round hole respectively, the axle sleeve external diameter of base bottom is emboliaed to the central round hole of pivot fixing base, the pivot fixing base is fixed in the cross pivot through inboard cotter pin 8, the cotter pin is located the inboard of pivot fixing base, the central square hole of pivot fixing base is emboliaed to the four directions section of cross pivot, the axle sleeve of base bottom is fixed in through the cylinder head to the one end of cross pivot, be equipped with cross pivot torsional spring 303 between the bottom of pivot fixing base and base. Handle groove one side of base is equipped with the lock core groove, and the lock core subassembly 101 of handle locking subassembly sets up in the lock core groove of base, and the lock core subassembly that stretches out the base bottom passes through locking plate 106 to be connected with the one end of bolt 103, and the shift fork of spring beam and shift fork junction is equipped with the spacing step 2081 that exceeds the bolt bottom plane, and the other end of bolt passes through the locking plate and drives the back of stretching out, and the bolt supports the spacing step border restriction shift fork rotation of shift fork. The lock core inslot of handle locking assembly's cylinder subassembly top base is equipped with the jam plate 4, and the handle pivot of handle in the handle transmission assembly is passed through to one side of jam plate is fixed in the base, and the jam plate bottom of cylinder subassembly top is equipped with EVA gasket 9, and the keyhole one side plane of cylinder subassembly offsets with the EVA gasket of jam plate, and the handle pivot of jam plate department also is equipped with the torsional spring with the sealing washer, the sealing washer is located the shaft hole department of base external diameter.

The handle rotating shaft comprises a left rotating shaft 202 and a right rotating shaft 203, the small-circle-diameter flat key ends of the left rotating shaft and the right rotating shaft are connected and fixed at the shifting fork of the base, the small-circle-diameter flat key end of the right rotating shaft is sleeved into the shifting fork through the base, and the shaft parts of the right rotating shaft and the left rotating shaft on two sides of the shifting fork are respectively fixed on the handle through pan head screws 207. Simultaneously, the bottom of base is equipped with to the bellied ear seat of handle groove one side, and in the ear seat of base bottom was inserted to the small circle footpath parallel key end of shift fork one end left pivot and right pivot of handle transmission subassembly, handle transmission subassembly's handle one side ear seat one side was equipped with open-ended ear groove, and the ear seat of base is inserted to the ear groove of handle, and handle and shift fork are fixed in the ear seat of base through the handle pivot. An open torsional spring clamping column 501 is arranged at the handle rotating shaft in the handle groove of the base, one end of a torsional spring of the left rotating shaft is clamped on the handle, and the other end of the torsional spring is clamped on the torsional spring clamping column; one end of a torsion spring of the right rotating shaft is clamped on one side of the lug seat of the lock cover plate, the other end of the torsion spring is clamped in a U-shaped groove of the base, and a gasket 209 is arranged on the outer side of the torsion spring of the right rotating shaft. The bolt of the handle locking assembly is clamped and fixed in the bolt groove of the base through a pressure plate 104, the pressure plate is fixed at the bottom of the base through M3 screws 105, the bolt in the pressure plate is provided with a spring groove, a spring 102 is arranged in the spring groove of the bolt, one end of the spring is abutted against the bolt limiting edge on one side of the spring groove in the bolt, and the other end of the spring is abutted against the plate limiting edge on one side of the pressure plate. The bolt of handle locking subassembly is the L font, and the crooked one end of bolt is located one side of spring beam, and the waist shape downthehole diameter of the bolt other end offsets with the locking plate one end perk external diameter of handle locking subassembly, and the spring groove of bolt sets up in the face between crooked department and waist shape hole. The spring rod is ear-shaped, and the bending section of spring rod has two big bendings of size to form promptly, and the big crooked end of spring rod inserts the bellied department turning arm of pivot fixing base perpendicularly, and the spring rod tip that stretches out the pivot fixing base is equipped with plum blossom retaining ring 7, and the little crooked end of spring rod transversely inserts through the split pin and is fixed in the shift fork.

The handle of the panel lock is sequentially linked through the shifting fork, the spring rod and the rotating shaft fixing seat to drive the cross rotating shaft to rotate, namely when the handle fixed on the base is opened, the handle drives the shifting fork to move together through the left rotating shaft and the right rotating shaft, the handle, the left rotating shaft, the right rotating shaft and the shifting fork are matched and fixed with D-shaped openings (small-circle-diameter flat key ends) of the left rotating shaft and the right rotating shaft into a whole through the pan head screws and the shifting fork, and the small-circle-diameter flat key ends of the left rotating shaft and the right rotating shaft are located at the ear seats of the base. One end of the spring rod is connected with the shifting fork through the split pin, the other end of the spring rod is fixedly connected with the rotating shaft fixing seat through the plum blossom-shaped retainer ring, the handle rotating assembly can drive the cross rotating shaft to rotate to open the fireproof door through the shifting fork, the spring rod and the rotating shaft fixing seat when moving, and otherwise, the fireproof door is closed. The handle locking function of the panel lock is as follows: the lock cover plate is opened, a key is inserted to rotate the lock core component (the end part of the lock core component is provided with a locking plate of an eccentric component which is matched with the latch) to pull the latch to move linearly, the handle is opened to enable the latch to move along with the handle, or the handle cannot move by latching the inner side edge of the limiting step of the shifting fork at the spring rod.

In conclusion, the panel lock aims at overcoming the defects of dust prevention and water prevention of the fireproof door lock in the market, and the panel lock which drives the handle rotating shaft to trigger the spring bolt switch through the handle opening is developed on the basis of the existing panel lock series. The panel lock is mainly used for opening and locking a fireproof door, and is also suitable for some door panels with the door panel thickness space above 60 CMM.

Claims

1. A sealed fireproof door panel lock is characterized in that a handle (201) of a handle transmission assembly (2) is arranged in a handle groove on one side of a base (5) of the panel lock, one side of the handle is connected with one end of a shifting fork (208) through a handle rotating shaft, the handle rotating shaft at the handle is provided with a torsion spring (205) and a sealing ring (204), and the other end of the shifting fork extends out of the bottom of the base; the novel rotary shaft transmission device is characterized in that the other end of a shifting fork (208) at the bottom of a base (5) is connected with a crank arm on one side of a rotating shaft fixing seat (302) of a cross rotating shaft assembly (3) through a bent spring rod (6), a cross rotating shaft (301) is arranged in a center square hole of the rotating shaft fixing seat, the rotating shaft fixing seat is fixed in the cross rotating shaft through an inner side cotter pin (8), the center square hole of the rotating shaft fixing seat is sleeved in a square section of the cross rotating shaft, a shaft sleeve at the bottom of the base is fixed at one end of the cross rotating shaft through a cylindrical head, a cross rotating shaft torsion spring (303) is arranged between the rotating shaft fixing seat and the bottom of the base, and a handle (201) of.

2. The sealed fireproof door panel lock according to claim 1, wherein a core slot is formed in one side of the handle slot of the base (5), a core assembly (101) of the handle locking assembly (1) is disposed in the core slot of the base, the core assembly extending out of the bottom of the base is connected to one end of the latch (103) through a locking plate (106), a limiting step (2081) higher than the bottom plane of the latch is formed in a shifting fork at a connection position of the spring rod (6) and the shifting fork (208), and after the other end of the latch is driven by the locking plate to extend out, the latch abuts against the limiting step edge of the shifting fork to limit the rotation of the shifting fork.

3. The sealed fireproof door panel lock of claim 2, wherein a lock cover plate (4) is arranged in a lock cylinder groove of the base (5) above the lock cylinder assembly (101) of the handle locking assembly (1), one side of the lock cover plate is fixed to the base through a handle rotating shaft of a handle (201) in the handle transmission assembly (2), an EVA gasket (9) is arranged at the bottom of the lock cover plate above the lock cylinder assembly, a plane of one side of a key hole of the lock cylinder assembly abuts against the EVA gasket of the lock cover plate, the handle rotating shaft at the lock cover plate is also provided with the torsion spring (205) and the sealing ring (204), and the sealing ring is located at a shaft hole of the outer diameter of the base (5).

4. The sealed fireproof door panel lock according to claim 3, wherein the handle shaft comprises a left shaft (202) and a right shaft (203), the small circle diameter flat key ends of the left and right shafts are connected and fixed to a fork (208) of the base (5), the small circle diameter flat key end of the right shaft is sleeved into the fork through the base, and the shaft portions of the right and left shafts on both sides of the fork are respectively fixed to the handle (201) through pan head screws (207).

5. The sealed fireproof door panel lock according to claim 4, wherein the bottom of the base (5) is provided with an ear seat protruding toward the handle groove side, the small circle diameter flat key ends of the left rotating shaft (202) and the right rotating shaft (203) at one end of the shift fork (208) of the handle transmission assembly (2) are inserted into the ear seat at the bottom of the base, the handle (201) side of the handle transmission assembly is provided with an open ear groove at the ear seat side, the ear groove of the handle is inserted into the ear seat of the base, and the handle and the shift fork are fixed to the ear seat of the base through the handle rotating shaft.

6. The sealed fireproof door panel lock according to claim 5, wherein an open torsion spring latching post (501) is provided at the handle rotation shaft in the handle groove of the base (5), one end of the torsion spring (205) of the left rotation shaft (202) is latched to the handle, and the other end of the torsion spring is latched to the torsion spring latching post; one end of a torsion spring of the right rotating shaft (203) is clamped on one side of an ear seat of the lock cover plate (4), the other end of the torsion spring is clamped in a U-shaped groove of the base, and a gasket (209) is arranged on the outer side of the torsion spring of the right rotating shaft.

7. The sealed fireproof door panel lock of claim 2, wherein the latch (103) of the handle lock assembly (1) is disposed in a latch groove of the base (5) by a pressing plate (104), the pressing plate is fixed to the bottom of the base by an M3 screw (105), the latch in the pressing plate is provided with a spring groove, the spring (102) is disposed in the spring groove of the latch, one end of the spring abuts against a latch limit edge on one side of the latch groove in the latch, and the other end of the spring abuts against a plate limit edge on one side of the pressing plate.

8. The sealed fireproof door panel lock of claim 7, wherein the latch (103) of the handle lock assembly (1) is L-shaped, the bent end of the latch is located at one side of the spring rod (6), the inner diameter of the waist-shaped hole at the other end of the latch is against the tilting outer diameter of one end of the locking plate (106) of the handle lock assembly (1), and the spring groove of the latch is arranged on the panel surface between the bent portion and the waist-shaped hole.

9. The sealed fireproof door panel lock of claim 1, wherein the spring rod (6) is ear-shaped, that is, the bending section of the spring rod is formed by two large and small bends, the large bending end of the spring rod is vertically inserted into the crank arm at the projection of the rotating shaft fixing seat (302), the end of the spring rod extending out of the rotating shaft fixing seat is provided with a quincunx retainer ring (7), and the small bending end of the spring rod is transversely inserted and fixed in the shifting fork (208) through a split pin (8).

10. The sealed fireproof door panel lock according to claim 1, wherein the rotating shaft fixing seat (302) of the cross rotating shaft assembly (3) is U-shaped, a square central hole and a round central hole are respectively formed on two sides of the U-shaped opening of the rotating shaft fixing seat, the round central hole of the rotating shaft fixing seat is sleeved into the outer diameter of the shaft sleeve at the bottom of the base (5), and the cotter pin (8) is located on the inner side of the rotating shaft fixing seat.