CN102808553A

CN102808553A - Fireproof pipeline lock

Info

Publication number: CN102808553A
Application number: CN2012103039396A
Authority: CN
Inventors: 陈凤华
Original assignee: WUXI GERUITE METAL PRODUCTS CO Ltd
Current assignee: WUXI GERUITE METAL PRODUCTS CO Ltd
Priority date: 2012-08-24
Filing date: 2012-08-24
Publication date: 2012-12-05

Abstract

The invention discloses a fireproof pipeline lock. The lock comprises a lock body panel and a lock shell connected with the lock body panel, wherein a guide hole is formed in a bolt in the lock shell; support pillars fixedly connected to a bottom shell are arranged in the guide hole; a groove is formed on the side of the tail of the bolt; the bolt can slide in the lock shell right and left; a cylindrical key plug is arranged in the lock shell and can rotate in the lock shell; when a key is inserted into the key plug and rotates, a poking wheel fixedly connected to the periphery of the key plug drives the bolt to slide right and left through a poking buckle; one end of a torsion spring is connected to the bottom shell, and the other end of the tension spring is connected to the poking buckle; and the bolt is automatically locked through spring force. The size of the pipeline lock is reduced, and the fireproof performance of a fireproof door is ensured; and the bolt can automatically stretch out, and the safety performance of a door lock is ensured.

Description

A kind of fire protect duct lock

Technical field

The present invention relates to the field of lockset of preventing fires, especially do not have the fire protect duct lock of tapered end.

Background technology

Pipeline lock generally is applied on piping shaft and the labeled door, because normally pipeline, water meter or stair, ventilation stack in the piping shaft door, labeled door, thereby antitheft requires lowlyer, and fire line is had relatively high expectations, and will be convenient to simultaneously open and close.Present Pipeline lock structure more complicated on the market, the lock body volume is bigger, and the part door-plate that lock body is installed is thinner, causes the fire line of door to descend; The section of tubing lock construction is simple, and volume is less, but dead bolt can not stretch out automatically, the operator possibly occur and forget the situation of closing the door and causing the equipment such as pipeline in the door to be damaged.

Summary of the invention

The applicant is big to the complicated volume of the part lock body structure of above-mentioned existing fire protect duct lock, and the part lock body structure is too simple, the problem that dead bolt can not stretch out automatically; Improve research; Another kind of fire protect duct lock is provided, reduces the volume of Pipeline lock, guarantee the fireproof performance of labeled door; Simultaneously can let dead bolt stretch out automatically, guarantee the security performance of door lock.

Technical scheme of the present invention is following:

A kind of fire protect duct lock, the lock shell that comprises lock panel and be connected with lock panel, said lock shell is connected and composed by drain pan and lid shell; Have dead bolt hole on the lock panel; One end of dead bolt stretches out from said dead bolt hole; Said dead bolt is a cuboid, has the pilot hole of waist type on the dead bolt, is provided with the cylindrical support column that is connected on the drain pan in the said pilot hole; Also offer groove on the side of the afterbody of dead bolt, said dead bolt can be done in said lock shell and horizontally slip; One end of columniform key plug is inserted in the circular hole of drain pan, and the other end passes from the circular hole of said lid shell, and is nested on the fixed head that is fixed in the door-plate outside, and said key plug can rotate in said lock shell; The periphery of said key plug is fixed with thumb wheel, and said thumb wheel is positioned at said lock shell, and its side has dials button, and said group of button is fastened in the said groove, rotates when key inserts in the said key plug, and the moving said dead bolt of cingulum of dialling on the said thumb wheel horizontally slips; Returning apparatus has torsion spring in the said lock shell, and an end of said torsion spring is connected on the drain pan, and the other end is connected to dial and buckles, and the unsettled device of the spring section of torsion spring is in said lock shell.

It is further characterized in that:

The edge of said groove has hypotenuse, and said hypotenuse is positioned at the junction of side of edge and the said dead bolt of said groove, when dead bolt is in the lock state, and the end face of said group of button and said hypotenuse butt;

Said thumb wheel has two straight flanges that are parallel to each other, and is respectively first straight flange and second straight flange, when dead bolt is in the lock state, and the inwall butt of first straight flange and said drain pan, the lower side butt of second straight flange and said dead bolt;

The inside of said support column has axial screwed hole;

The external part of said dead bolt is the inclined-plane.

Beneficial effect of the present invention is following:

Three critical pieces of thumb wheel that inside of the present invention has only dead bolt, torsion spring and is connected with key plug, simple in structure, the lock body advantages of small volume, therefore the installing hole of offering on the labeled door diminishes, and has strengthened the fireproof performance of door; Through the spring force of torsion spring, thumb wheel can drive dead bolt voluntarily and get into lock-out state in addition, and door can be closed automatically, has avoided because forget the accident of closing the door and taking place; The present invention can be without lock cylinder, and same key can insert in the key plug of the same type, further simplified lock body structure, also the inspection of equipment such as the pipeline in the handled easily person opposite house, water meter.

Description of drawings

Fig. 1 is the partial sectional view of front view of the present invention.

Fig. 2 is the front view of installment state of the present invention, and broken section.

Fig. 3 is an installment state left view of the present invention.

Fig. 4 is the front view of the thumb wheel among the present invention.

The specific embodiment

Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.

Like Fig. 1, shown in Figure 2, the lock shell that the present invention includes lock panel 1 and be connected with lock panel 1, said lock shell is connected and composed by drain pan 4 and lid shell 10; Have dead bolt hole on the lock panel 1, an end of dead bolt 2 stretches out from said dead bolt hole, and dead bolt 2 is a rectangular structure, and the external part of dead bolt 2 is the inclined-plane; Have the pilot hole 3 of waist type on the dead bolt 2; Be provided with the cylindrical support column 9 that is connected on the drain pan 4 in the pilot hole 3; Also offer groove 12 on the side of the afterbody of dead bolt 2, dead bolt 2 can do horizontally slipping in said lock shell under the common guide effect of said dead bolt hole and support column 9.One end of columniform key plug 8 is inserted in the circular hole of drain pan 4, passes the circular hole of the other end from lid shell 10, and is nested on the fixed head 14 that is fixed in door-plate 16 outsides, and key plug 8 can rotate in said lock shell.The periphery of key plug 8 is fixed with thumb wheel 7; Thumb wheel 7 is positioned at said lock shell, and its thickness is identical with the height of drain pan 4 inside, thereby restriction key plug 8 is in axial moving; The side of thumb wheel 7 has dials button 6; Dial button 6 and be fastened in the groove 12, rotate when key 15 inserts in the key plugs 8, the button 6 of dialling that is connected on the peripheral thumb wheel 7 of key plug 8 drives dead bolts 2 and horizontally slips; Returning apparatus has torsion spring 13 in the said lock shell, and an end of torsion spring 13 is fastened at one piece of nail on the screw on the drain pan 4, and the other end passes the circular hole of dialling on the button 6 18, is fixed on and dials on the button 6, and the unsettled device of the spring section of torsion spring 13 is in said lock shell.

As shown in Figure 1, the edge of the groove 12 of dead bolt 2 afterbodys has hypotenuse 5, and hypotenuse 5 is positioned at the junction of side of edge and the dead bolt 2 of groove 12, when dead bolt 2 is in the lock state, dials the end face and hypotenuse 5 butts of button 6, thereby dead bolt 2 can not be withdrawn voluntarily.

Like Fig. 1 and shown in Figure 4, thumb wheel 7 outer is with two straight flanges that are parallel to each other, and is respectively the first straight flange 17-1 and the second straight flange 17-2; When dead bolt 2 is in the lock state; The inwall butt of the first straight flange 17-1 and drain pan 4; The lower side butt of the second straight flange 17-2 and dead bolt 2, thus limited the rotational angle of key plug 8, prevent that key plug 8 from rotating excessively and making to dial the outside that button 6 forwards groove 12 to.

Like Fig. 1, shown in Figure 2, the drain pan 4 of said lock shell is connected through screw 11 with lid shell 10, outside the support column 9 of removal apparatus in gathering sill 3, also is fixed with two support columns 9 on the drain pan 4, and there is axial screwed hole the inside of support column 9, in order to attachment screw 11.

7 three critical pieces of thumb wheel that inside of the present invention has only dead bolt 2, torsion spring 13 and is connected with key plug 8, simple in structure, the lock body advantages of small volume, the installing hole of therefore on labeled door, offering is less, has strengthened the fireproof performance of door; Through the spring force of torsion spring, thumb wheel can drive dead bolt voluntarily and get into lock-out state in addition, and door can be closed automatically, has avoided because forget the accident of closing the door and taking place; Consider the installation environment of fire protect duct lock; Key plug 8 of the present invention can use the simple plug of not being with lock cylinder; Same key can insert in a plurality of key plugs of the same type 8, both simplified lock body structure, also the inspection of equipment such as the pipeline in the handled easily person opposite house, water meter.

What should explain at last is: above description is to explanation of the present invention, is not to qualification of the present invention, and institute of the present invention restricted portion is referring to claim.Under the situation of spirit of the present invention, the present invention can do any type of change.

Claims

1. a fire protect duct lock comprises lock panel (1) and the lock shell that is connected with lock panel (1), and the lock shell is connected and composed by drain pan (4) and lid shell (10); Lock panel has dead bolt hole on (1), and an end of dead bolt (2) stretches out from said dead bolt hole; It is characterized in that: dead bolt (2) is a cuboid; Have the pilot hole (3) of waist type on the dead bolt (2); Be provided with the cylindrical support column (9) that is connected on the drain pan (4) in the pilot hole (3); Also offer groove (12) on the side of the afterbody of dead bolt (2), dead bolt (2) can be done in said lock shell and horizontally slip; One end of columniform key plug (8) is inserted in the circular hole of drain pan (4), and the other end passes from the circular hole of lid shell (10), and is nested on the fixed head (14) that is fixed in door-plate (16) outside, and key plug (8) can rotate in said lock shell; The periphery of key plug (8) is fixed with thumb wheel (7); Thumb wheel (7) is positioned at said lock shell; Its side has dials button (6); Dial button (6) and be fastened in the groove (12), rotate when key (15) inserts in the key plug (8), group button (6) on the thumb wheel (7) drives dead bolt (2) and horizontally slips; Returning apparatus has torsion spring (13) in the said lock shell, and an end of torsion spring (13) is connected on the drain pan (4), and the other end is connected to be dialled on the button (6), and the unsettled device of spring section of torsion spring (13) is in said lock shell.

2. a kind of escape Fire-proof lock as claimed in claim 1; It is characterized in that: the edge of groove (12) has hypotenuse (5); Hypotenuse (5) is positioned at the junction of the side of groove (12) edge and dead bolt (2); When dead bolt (2) when being in the lock state, dial the end face and hypotenuse (5) butt of button (6).

3. a kind of escape Fire-proof lock as claimed in claim 1; It is characterized in that: thumb wheel (7) has two straight flanges that are parallel to each other; Be respectively first straight flange (17-1) and second straight flange (17-2); When dead bolt (2) when being in the lock state, the inwall butt of first straight flange (17-1) and drain pan (4), the lower side butt of second straight flange (17-2) and dead bolt (2).

4. a kind of escape Fire-proof lock as claimed in claim 1 is characterized in that: the inside of support column (9) has axial screwed hole.

5. like the arbitrary described a kind of escape Fire-proof lock in the claim 1 to 3, it is characterized in that: the external part of dead bolt (2) is the inclined-plane.