CN2399494Y - Double spring buffer displacement bolt device of tubular lock - Google Patents

Abstract

The utility model relates to a keeper device. A shaft lever is arranged at the rear end of a lock tongue, a spring with low rigidity is sleeved on the shaft lever, the rear end of the shaft lever penetrates through the front end of a linkage frame, the rear end of the spring abuts against the front end face of the linkage frame, a spring with high rigidity is arranged on the inner side of the linkage frame, the front end of the spring abuts against the inner side face of the front end of the linkage frame, and the rear end of the spring abuts against the front end face of a baffle. Therefore, the door plate is easy to close and can reduce the impact sound, and the other spring with high rigidity can have the stable effect in locking.

Description

Double spring buffer displacement bolt device of tubular lock

The utility model relates to a door bolt device.

In the classification form of locks, according to the transmission mode of the door bolt opening and closing, it can be roughly divided into cylindrical lock and tubular lock structure, such as application number 76212104 "cylindrical disabled lock lock" "Improved structure of body", and application number No. 76212104 chasing No. 01 "addition of improved structure of cylindrical disabled lock lock body" is a representative work of traditional cylindrical lock.

And such as Application No. 80203947 "Improved Structure of Tubular Disabled Lock Body", and Application No. 80203948 "Improvement of Tubular Disabled Lock Bolt" "Structure" refers to the common tubular locks at present. Among them, the "improved structure of the tubular disabled lock bolt" mainly installs two mutually nestable swivel blocks, a driving plate, and a series-connected plate between the shells. Body, rotary plate, pull plate and bolt opening head, and then the auxiliary plate is set outside the shell, and riveted with the panel to fix it on the end surface of the door panel.

Also, the bolt structure of the tubular lock has been developed so far. In order to reduce the number of components and the time-consuming and laborious problems of assembling, there is a bolt 8 structural design as shown in Figure 7 for optional assembly. Its shell seat 80 is composed of two The opposite side shells are sealed, wherein, the top and bottom ends of the shell base 80 are provided with chute 85, and the shell base 80 is provided with a movable linkage frame 90, and the top and bottom ends of the linkage frame 90 are provided with long holes 91, The rear end of the long hole 91 is bent into a protruding piece 92, the front end of the linkage frame 90 is provided with a dead bolt 97, and a spring 86 is arranged at the rear end of the dead bolt 97, and the rear end of the spring 86 leans against the bottom plate 81 of the shell seat 80 and is set. The front end of the baffle plate 83, and the base plate 81 of the shell seat 80 is provided with a pivot hole 82, the two sides of the bushing 93 can be set in the pivot hole 82, and the square hole 94 is set in the bushing 93, which can be used for the tubular lock. The transmission rod of the shaft sleeve 93 is provided with a cam 95 at the front end of the shaft sleeve 93, and the two sides of the cam 95 form a curved surface 96, and the end of the curved surface 96 forms a hook portion 961. 961 passes through the elongated hole 91 of the linkage frame 90 and is inserted into the chute 85 of the shell seat 80. Therefore, when the handle of the tubular lock turns, the shaft sleeve 93 can be rotated by the transmission rod of the tubular lock. , and can drive the cam 95 to rotate, and utilize the hooks 961 on both sides to push the interlocking frame 90 backward, so that the dead bolt 97 can compress the displacement of the spring 86 and enter the panel 87, so as to achieve the effect of opening the door panel.

Although the bolt 8 structure of this tubular lock has the characteristics of simple structure and easy assembly, yet the setting of a single spring 86, in order to consider the stability of the lock, the rigidity of the spring 86 needs to be increased to meet, and the spring 86 Once the rigidity is increased, the buffer force for closing the door becomes larger and more rigid, and a larger force must be applied to push the door panel, so that the lock tongue 97 can compress the spring through the relative push between the arc surface 971 and the door frame sliding piece 86. In this way, it is easy to produce a larger collision sound when the door is closed, and the rotation of the shaft sleeve 93 makes the hook portion 961 of the cam 95 pull the displacement of the linkage frame 90, and pull the dead bolt 97 and The power of the compression spring 86 all acts on a single spring 86. Therefore, the spring 86 is prone to the shortcoming of elastic fatigue, which causes the spring 86 to be compressed by force and the elastic force of recovery is thus weakened and slack, causing the dead bolt 97 to abdicate. The inner shrinkage is insufficient, and it is slightly exposed on the outside of the panel 87. In this way, if the door panel is to be opened again, it is easy to cause the front end of the dead bolt 97 to be stuck with the inner hole of the sliding piece of the door frame. As time passes, it is easy to cause damage to the lock body. , the setting form of its single spring 86, practicability is not good enough and does not have industrial utilization value.

The purpose of this utility model is to provide a double-spring buffer displacement doorbolt device for tubular locks. It is designed to form two springs with different rigidities in the doorbolt, so that the force of closing and opening the door is determined by different rigidities. The spring is supported to achieve softness when closing the door.

The purpose of this utility model is achieved in the following way: a double-spring buffer displacement doorbolt device of a tubular lock, a displaceable linkage frame and a rotatable cam are arranged in the shell seat, and the cam is protruded from the shaft sleeve On the surface, a square hole is set in the shaft sleeve and a lock tongue is set at the front end of the linkage frame. The baffles are set on both sides of the hole, the chute is set on the wing plate of the side shell, the linkage frame is set in the shell seat, and the two sides are located between the baffle plate and the wing plate of the side shell, and the front end of the shell seat is set with a panel and an inner plate, the front end of the deadbolt is pierced through the holes of the panel and the inner plate, and it is characterized in that:

A shaft rod is arranged at the rear end of the lock tongue, and a spring with low rigidity is sleeved on the shaft rod. The spring, the front end of the spring leans against the inner side of the front end of the linkage frame, and the rear end of the spring leans against the front end of the baffle.

The rear end of the deadbolt is provided with hierarchical inner and outer grooves, the side end of the deadbolt is provided with a perforation to penetrate the inner groove, the front end of the shaft is provided with a positioning hole, the front end of the shaft is inserted into the inner groove, and the bolt can be inserted into the perforation of the deadbolt, and Insert into the pilot hole of the shaft.

A rectangular clamping hole is provided at the front end of the linkage frame, a rectangular clamping block is provided at the rear end of the shaft rod, and the clamping block of the shaft rod is inserted into the clamping hole.

Relative perforations are set on the panel and the inner panel.

Due to the adoption of the above scheme: the door panel is easy to close and can reduce the impact sound, and another spring with high rigidity is provided, which can have a stable effect during locking.

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Figure 1 is an exploded perspective view of the utility model.

Fig. 2 is a combination appearance diagram of the utility model.

Fig. 3 is the combination appearance diagram of the door bolt and the lock body of the utility model.

Fig. 4 is a combined sectional view of the utility model.

Fig. 5 is a schematic diagram of the lock tongue of the doorbolt of the utility model abutting against the door frame and pressing the lock tongue into the shell seat.

Fig. 6 is a state diagram of the cam of the doorbolt of the utility model rotating to drive the interlocking frame, and bringing the deadbolt into the housing seat.

Figure 7 is a combined sectional view of a conventional bolt.

Part of drawing number: 1, door bolt 10, shell seat 20, side shell 21, bottom plate 211, hook portion 22, pivot hole 221, arc plate 23, baffle plate 231, convex portion 24, hole 25, wing plate 26, Chute 30, side shell 31, bottom plate 311, hook 32, pivot hole 321, arc plate 33, fixing hole 34, through hole 35, wing plate 36, chute 40, linkage frame 41, card hole 42, Long hole 43, tab 44, spring 45, bushing 46, square hole 47, cam 48, curved surface 481, hook 50, lock tongue 51, curved surface 52, inner groove 53, outer groove 54, perforation 55, Pin 56, Shaft 57, Engaging Block 58, Positioning Hole 59, Spring 60, Panel 61, Hole 62, Perforation 63, Inner Hole 64, Hole 65, Perforation 70, Pipe Lock 71, Handle 72, Transmission Rod Positioning rod 8, door bolt 80, shell seat 81, bottom plate 82, pivot hole 83, baffle plate 84, hole 85, chute 86, spring 87, panel 88, inner plate 90, linkage frame 91, long hole 92, Lug 93, shaft sleeve 94, square hole 95, cam 96, curved surface 961, hook 97, lock tongue 971, curved surface

As shown in Figure 1, the interlocking frame 40, the cam 47, and the springs 59, 44 of the front and rear sections are set in the shell seat 10 of the bolt 1 of this embodiment, and the dead bolt 50 is set at the front end of the interlocking frame 40, the lock A spring 59 with less rigidity is sheathed on the shaft 56 of the tongue 50, and a spring 44 with greater rigidity is arranged in the linkage frame 40, so that the door bolt 1 is mounted on the tubular lock and installed into the door panel, and when the door panel When leaning against the door frame, the lock tongue 50 can be buffered in the front section, and when the handle is turned, the driven cam 47 rotates, which can drive the interlocking frame 40 to move and compress the spring 44, and drive the lock tongue 50 to penetrate into the middle of the housing 10 , and can avoid the conventional door bolt design of a single spring, which is easy to cause elastic fatigue and damage, which is the feature of the utility model design.

As described below, it is the detailed structure of the utility model door bolt 1, and the characteristics and installation positions of each structure, wherein:

The housing base 10 shown in FIG. 1 is formed by joining the opposite side shells 20 and 30. The front edge of the bottom plate 21 of the side shell 20 is bent outward to form a hook portion 211, and the bottom plate 21 is provided with pivot holes. 22. The pivoting hole 22 is elliptical and an arc plate 221 is formed on the inside of the front and rear end edges, and the adjacent baffles 23 and holes 24 are respectively arranged before and after the pivoting hole 22. The baffle 23 can be in the shape of ∩, and the middle end is again The protrusion 231 extends outward.

The front edge of the bottom plate 31 of the housing 30 on the other side bends outwards to form a hook 311, and the bottom plate 31 is provided with a pivot hole 32, and the inner side of the front and rear end edges of the pivot hole 32 forms an arc plate 321, and the front and back of the pivot hole 32 are also Adjacent fixing holes 33 and through-holes 34 are respectively provided. The combination of the housings 20 and 30 on both sides allows the protrusion 231 at the end of the baffle plate 23 to penetrate into the fixing hole 33 of the housing 30 on the other side, and the protrusion The stamping of part 231 can make both sides housing 20,30 form riveting, and again, on the wing plate 25,35 of side housing 20,30, chute 26,36 is set at appropriate place, the pair of housings 20,30 of both sides Close, can make chute 26,36 be relative frame and establish.

The front end of the ∩-shaped interlocking frame 40 is provided with a rectangular clamping hole 41, and opposite long holes 42 are provided on both sides. In the housings 20 and 30 on both sides, the two sides of the linkage frame 40 are located between the baffle plate 23 and the wing plate 25 .

A square hole 46 is set in the cylindrical bushing 45, and a cam 47 is set in the middle of the surface of the bushing 45. The two ends of the cam 47 form curved surfaces 48, and the ends of the two sides form hooks 481. The bushing 45 can be arranged on the shell. The positions of the pivot holes 22 , 32 of the housings 20 , 30 on both sides of the seat 10 .

The front end of the lock tongue 50 forms an arc surface 51, and the rear end is provided with a hierarchical inner groove 52 and an outer groove 53, the side end of the lock tongue 50 is provided with a perforation 54 penetrating into the inner groove 52, and the rear end of a shaft 56 is provided with a rectangular engaging block 57 , the front end is provided with a positioning hole 58, and the spring 59 can be sleeved on the shaft rod 56.

The panel 60 and the inner panel 63 are provided with holes 61, 64 for the bolt 50 to pass through, and the upper and lower ends of the panel 60 and the inner panel 63 are provided with relative perforations 62, 65, which can be screwed in and locked on the door frame.

Referring to Fig. 1 and Fig. 4, wherein, a less rigid spring 59 is sleeved on the shaft 56, the front end of the shaft 56 can be inserted into the inner groove 52 of the deadbolt 50, and the latch 55 is inserted into the through hole 54 and inserted into the shaft 56. Fix it in the positioning hole 58, and rotate the shaft rod 56 ninety degrees so that the engaging block 57 at the rear end can be penetrated by the clamping hole 41 at the front end of the linkage frame 40, and then rotate the shaft rod 56 ninety degrees to make the shaft The engaging block 57 at the rear end of the rod 56 forms a catch with the locking hole 41 at the front end of the linkage frame 40 and will not fall off. At this time, the rear end of the less rigid spring 59 is against the front end of the linkage frame 40, and The linkage frame 40 is arranged in the housings 20 and 30 on both sides of the housing base 10, and a spring 44 with higher rigidity can be arranged inside the linkage frame 40. The front end of the spring 44 is against the inner side of the linkage frame 40, and the spring 44 The rear end leans against the front end of the baffle plate 23 of the side housing 20. In addition, the two sides of the bushing 45 arranged in the housing base 10 are located at the pivot holes 22, 32 of the side housings 20, 30, and the two sides The casings 20 and 30 are sealed, and the convex portion 231 at the end of the baffle plate 23 is inserted into the fixing hole 33 of the other side casing 30, and the convex portion 231 can be punched to make the two casings 20 and 30 form riveting.

Referring to Fig. 1-Fig. 3, the hooks 211, 311 formed on the front ends of the side shells 20, 30 of the shell base 10 can pass through the hole 64 of the inner plate 63 to form a snap riveting. 60 can fit on the inner plate 63 so that the perforations 62 and 65 are opposite, so that the screws can be inserted into and locked in the door frame, and the door bolt 1 is arranged in the form of the tubular lock 70, which is based on the transmission rod 72 of the tubular lock 70. Penetrate into the square hole 46 of the axle sleeve 45, and pass through the holes 24, 34 of the two side housings 20, 30 of the housing base 10 with the positioning rod 73 to be positioned, thereby, the handle 71 of the tubular lock 70 can be The rotation drives the transmission rod 72 to rotate, and the rotation force of the transmission rod 72 can drive the shaft sleeve 45 to rotate.

Referring to Fig. 4 and Fig. 5, when the door panel closes the door frame, the bolt 50 of the door bolt 1 and the sliding plate of the door frame push against each other and retract, and the way of pushing against and closing the door is supported by a spring 59 with low rigidity. Compression, and the little spring 59 of rigidity has better flexible cushioning effect, therefore, the design of the present utility model can carry out closing action in the mode of applying force softly, and can reach the excellent effect of being easy to close the door and alleviating the knocking sound.

As shown in Fig. 3 and Fig. 6 again, the handle 71 of the rotary tubular lock 70 is used to rotate the transmission rod 72 and drive the shaft sleeve 45 to rotate, and utilize the hooks 481 and the curved sides of the cam 47 at the front end of the shaft sleeve 45. The arc surface 48 drives the interlocking frame 40 to move backward, and the backward displacement of the interlocking frame 40 compresses the spring 44, and drives the shaft rod 56 and the dead bolt 50 to shift backward to open the door panel. The force method is to apply force to the spring 44 with higher rigidity, so that the force of closing the door panel and the force of opening the door panel act on two springs 59 and 44 with different rigidities respectively, so that two different buffer displacements can be formed. The effect makes it have the effect of flexible door closing and locking stability, and is very suitable for installing 70 tubular locks.

In addition, in the design of this embodiment, the relative perforations 62 and 65 provided on the panel 60 and the inner panel 63 can be locked in the door frame in the way of screw penetration, which is a detachable design and can be paired and assembled according to market demand. In order to avoid the shortcomings of the conventional riveting method, that is, it is formed on the door bolt and cannot be elastically assembled, and can achieve the practical effect of saving inventory.

Also, the pivot holes 22, 32 provided on the side housings 20, 30 of this embodiment are oval, and when the bushing 45 is pivoted therein, the transmission rod 72 of the tubular lock 70 can be passed through. Installation has space for displacement and fine adjustment, and has the effect of easy assembly.

Claims (4)

1, a kind of dual spring buffer displacement bolt apparatus of tubular lock, movable interlock frame is set in shell block, and rotatable cam, this cam is to be convexly set in the axle sleeve surface, square opening interlock frame front end is set in the axle sleeve dead bolt is set, shell block is involuted by relative side body, the hole that is pivoted is set on the base plate of side body, the tool axle sleeve that is pivoted in it, the both sides, hole that are pivoted are provided with baffle plate, on the wing plate of side body chute are set, the interlock frame is arranged in the shell block, and both sides are positioned between the wing plate of baffle plate and side body, and the shell block front end is provided with panel and inner panel, and the dead bolt front end is passed by the hole of panel and inner panel, it is characterized in that: the dead bolt rear end is provided with axostylus axostyle, shaft rod upper sleeve is established the little spring of rigidity, and the axostylus axostyle rear end is arranged in interlock frame front end, and spring rear end is resisted against interlock frame front end face; Interlock frame inboard is provided with the big spring of rigidity, and the spring front end is resisted against interlock frame front end medial surface, and spring rear end is resisted against the baffle plate front end face.

2, the dual spring buffer displacement bolt apparatus of tubular lock according to claim 1, it is characterized in that: described dead bolt rear end is provided with the inside groove and the water jacket of hierarchy type, the dead bolt side is provided with and penetrates inside groove, the axostylus axostyle front end is provided with locating hole, the axostylus axostyle front end inserts inside groove, and can insert the perforation of dead bolt and the locating hole of insertion axostylus axostyle by latch.

3, the dual spring buffer displacement bolt apparatus of tubular lock according to claim 1, it is characterized in that: described interlock frame front end is provided with the hole clipping of rectangle, and the axostylus axostyle rear end is provided with the clamping block of rectangle, and the clamping block of axostylus axostyle inserts in the hole clipping.

4, the dual spring buffer displacement bolt apparatus of tubular lock according to claim 1 is characterized in that: relative perforation is set on described panel and the inner panel.

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