CN1101396A - Tubular lock latch - Google Patents

Abstract

A tubular lock latch is composed of a casing, a rotary body, an action plate, an index plate, a bolt, an antitheft plate, a bolt releasing plate and a movable plate, and a panel and a back cover plate.

Description

The present invention relates to a tubular lock bolt.

A known tubular lock bolt, such as the inventor's previous application for Taiwan Patent No. 74209138A02 "The structure of the adjustable distance between the tubular lock and the latch device", the second addition, is to use the pull plate that drives the dead bolt to have two groups. The driving teeth can be selectively meshed and driven by the teeth of a driving gear, and the driving gear is set in a round hole of a moving shell. The moving shell can be moved and positioned outside the combination plate, and the hole of the moving shell can be meshed with the hole of the combination plate. , for the feet of the lock to pass through and combine. Press, the latch is driven by the teeth of the driving gear to press the teeth of the pull plate. Therefore, the driving gear needs to be rotated about 80 degrees by the rotating shaft. In this way, the latch cannot be used in flat handle locks, and It may also be inconvenient for the disabled or young children to use.

The purpose of the present invention is to provide a tubular lock, which can be adjusted in size according to the needs of use, and the lock only needs a small rotation angle to pull and pull the bolt.

According to a tubular lock bolt of the present invention, the shell can be used for the rotating body, the action plate, the traction plate, the bolt, the anti-theft plate, the unlatch plate, the moving plate and other components, and the panel and the rear cover The board cover is characterized by:

Rotating body - is composed of two units with shaft holes for the lock to drive the shaft to pass through and can be driven to rotate. One of the rotating bodies is limited to the shaft hole surface of a moving plate for positioning and rotation, and the other rotating body is limited to the shaft hole of the shell. Positioning rotation, the moving plate can be moved, so that the two rotating bodies can be staggered or meshed. The two rotating bodies have fan-shaped plates, and the two terminal edges of the fan-shaped plates can be attached to the first driving tooth and the second driving tooth of the action plate. catch;

The action plate is provided with a protruding first driving tooth, and a second driving tooth is provided on one end side for crimping with the second terminal edge of the fan-shaped plate of the rotating body; the other end of the action plate has a foot that can be connected to the traction plate The protruding lugs are crimped, and a protruding post can be in contact with one side of the unlatch plate to keep the unlatch plate in place;

Traction plate - is pivoted by a shaft hole for the shaft to be positioned and rotated. There is a protruding ear piece on one side of the shaft that can be pushed by the action plate, and a hook on the other side of the shaft and the hook of the lock tongue form a hook;

Lock tongue-a column tube is used to push one end of the elastic element, so that the lock tongue has a constant force to protrude outward. There is a hook on the lock tongue that is hooked with the hook of the traction plate. The block can be stuck in the slot of the anti-theft plate;

Anti-theft plate-An anti-theft bar is combined with an upright wall. The anti-theft bar is pushed by one end of the elastic element to extend out of the shell, and the other end of the elastic element is pushed against the release plate. The anti-theft plate has a first side and a second side. There is a connecting bevel between the two sides, and the anti-theft plate can move in a straight line according to the guide block of the lock tongue with a groove;

Unlatch plate-pivoted to the shaft through the shaft hole, there is a side block on one side of the shaft, the side block can lean against the first side or the second side of the anti-theft plate, and the other side of the shaft has a seat, a sloping shoulder and a straight edge, the seat It is sleeved by one end of the elastic element, and the straight side and the hypotenuse can be contacted by the column of the action plate; there is an open slot on the release plate, and the open slot can allow the deadbolt guide block to pass through;

Moving plate - it can be moved between the shell and the action plate, with a shaft hole for the rotating body to be nested for positioning and rotation, and another positioning hole for the post of the lock to pass through.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Fig. 1 is an exploded perspective view of the first embodiment of the present invention.

Fig. 2 is a top partial cross-sectional view of the first embodiment of the present invention in a smaller use size.

Fig. 3 is a top partial sectional view of the first embodiment of the present invention in a larger use size.

Fig. 4 is an operation diagram of Fig. 2 .

Fig. 5 is a diagram of the first embodiment of the present invention combined with a door in a smaller size.

Fig. 6 is an exploded perspective view of the second embodiment of the present invention.

Fig. 7 is a top partial cross-sectional view of the second embodiment of the present invention in a smaller use size.

Fig. 8 is a top partial sectional view of the second embodiment of the present invention in a larger use size.

Fig. 9 is an operation diagram of Fig. 7 .

Please refer to Fig. 1, which is one embodiment of the present invention. The lock bolt of this embodiment has anti-theft effect and can be adjusted to the embodiment of use size. This embodiment includes a shell 1, a panel 2, a rotating body 3. Action plate 4, traction plate 5, deadbolt 6, anti-theft plate 7, unlatch plate 8, moving plate 9 and other components.

The shell 1 is used to combine various components. It can be designed symmetrically as shown in the figure or in other different designs. After it is combined, there is a cylindrical part for the locking tongue to move in. The flat part is provided with a The shaft hole 11 is used for the positioning and rotation of the driving body 3, and the positioning hole 12 is used for the combination and positioning of the column of the handle. The cover plate 21 is closed.

Panel 2 and back cover plate 21 can be mutually riveted with hole 22 and column tube 23, and back cover plate 21 is enclosed within the circular outer diameter of shell 1, and is limited to can not come off by projection 15.

The rotating body 3 is composed of two independent units that are turned upside down. The rotating body 3 has a shaft hole 31 for the drive shaft of the handle to pass through, so that the rotating body 3 can be driven to rotate. The rotating body 3 has a protruding fan-shaped plate 32 , the two end edges 33 of the fan-shaped plate 32 and the first driving tooth 41 or the second driving tooth 44 of the action plate 4 can be crimped. In order to make the rotating body 3 rotate in position, there are several protruding pieces on the rotating body 34, the protruding block 34 can be stuck in the shaft hole 11 of the shell 1 or the inner edge of the shaft hole 91 of the moving plate 9 to rotate.

The action plate 4 is located in the shell 1 and can move in a straight line. There are two protruding first driving teeth 41 on the action plate 4, which can be connected by the two termination sides 33 of one of the rotating bodies 3 (as shown in the figure above). The crimping, and one end of the action plate 4 is formed as the second driving tooth 44, and the second driving tooth 44 is used for the second end edge 33 of another rotating body 3 (as shown below) to be crimped with it, and the action plate 4 The other end is a pin 42 that stretches out, and the pin 42 is connected to one of the protruding ear piece 51 of the traction plate 5, and the movement of the action plate 4 can push the traction plate 5 into a rotating action; There is a protruding post 43, and the post 43 can be in contact with the release plate 8 to push the release latch 8 to rotate and reset.

The traction plate 5 is pivotally connected with a shaft hole 52 for the shaft 53, and the shaft 53 is positioned in the positioning hole 16 of the shell 1. Ear piece 51, and hook 54 is set on the other side of shaft hole 52, and hook 54 and hook 61 of dead bolt 6 are hooked mutually, when traction plate 5 is pushed by pin 42 of action plate 4 by protruding ear piece 51, this Traction plate 5 can be pulled dead bolt 6 by hook 54 and becomes retractable action.

The lock tongue 6 is inserted into the inner diameter of the circular cylinder of the shell 1 to move, and a hook 61 is provided at the rear end, and the hook 61 is hooked with the hook 54 of the traction plate 5. The lock tongue 6 is provided with a tube 62 at the bottom for a One end of the elastic element 63 is sleeved, so that the dead bolt 6 has a constant force to protrude from the shell 1, and can be partially protruded outside the panel 2. The dead bolt 6 is also provided with a guide block 64, which is used for anti-theft. The groove 71 of the plate 7 moves in a straight line according to the position.

The anti-theft plate 7 is a guide block 64 that can be fitted on the dead bolt 6 with a groove 71. The anti-theft plate 7 is approximately L-shaped, and its upright part is hooked with an anti-theft bar 72. The anti-theft plate 72 is supported by one end of an elastic element 73. Pushing, so that the anti-theft bar 72 can extend out of the shell in the same way as the dead bolt 6, and can be compressed to drive the anti-theft plate 7 to move in a straight line with the guide block 64 according to the groove 71; the anti-theft plate 7 has a first side 74 And the second side 75, there is a hypotenuse connected between the first side 74 and the second side 75, when the anti-theft bar 72 is pushed by the elastic element 73; The anti-theft bar 72 pulls the anti-theft plate 7 forward simultaneously. At this moment, the first side 74 of the anti-theft plate 7 can be used for the side piece 81 of the unlatching plate 8 to lean on. When the anti-theft bar 72 retracts and compresses the elastic element 73, the anti-theft plate 7 is pulled back at the same time, and the side block 81 of the latch release plate 8 is leaned against by the second side 75 .

The latch release plate 8 is pivotally connected to the shaft 53 by a shaft hole 82 to be rotatable. The latch release plate 8 has a side piece 81 protruding downward, and the side piece 81 leans against the first side 74 or On the second side 75, there is a protruding seat 83 on the unlocking plate 8, the seat 83 can be pushed by the other end of the elastic element 73, and the seat 83 is eccentrically arranged with the shaft 53 combined with the shaft hole 82, and is connected with the shaft hole 82. The side blocks 81 are respectively on the two sides of the shaft 53. Therefore, the push of the elastic element 73 to push the release plate 8 will make the side blocks 81 of the release plate 8 stick to the first or second sides 74, 75. The latch release plate 8 itself has an opening groove 84. When the side piece 81 of the latch release plate 8 leans against the first side 74 of the anti-theft plate 7, the opening groove 84 is engaged with the guide block 64 of the deadbolt 6. Therefore, when the dead bolt 6 retreats and shrinks, the guide block 64 can enter the opening groove 84 and move in a straight line (when the guide block 64 advances, it first enters the opening groove 84, and then the side block 81 of the latch plate 8 will be aligned with the opening groove 84. first side 74 apart).

The moving plate 9 is placed between the upper shell 1 and the action plate 4, and the moving plate 9 uses a shaft hole 91 for a rotating body 3 to rotate with the protrusions 34 in a matching position, so that the moving plate 9 can be moved. Pull the engaged rotating body 3 to move, so that the two rotating bodies 3 can be staggered or engaged. Drive tooth 41, a positioning hole 92 is arranged on the moving plate 9, and positioning hole 92 can pass through for a post of lockset.

Please refer to shown in Fig. 2, it is the situation figure of present embodiment into smaller use size, at this moment, moving plate 9 system pushes inwards, makes two rotating bodies 3 be to become the situation of staggering, wherein one rotating body 3 The two end edges 33 are attached to the first drive tooth 41 of the action plate 4, therefore, the drive shaft 10 of the lock passes through the shaft hole 31 of the rotating body 3, and the post 17 of the lock passes through the positioning holes 12, 92 By this time, the latch can be fixed in a smaller size for use.

Please refer to shown in Fig. 3, it is the situation diagram of present embodiment into larger use size, at this moment, moving plate 9 is to be pulled out outwards, and at this moment, two rotating bodies 3 are the situation of meshing pair, and its The two end edges 33 of a rotating body 3 are attached to the second driving tooth 44, the driving shaft 10 of the lockset passes through the rotating body 3 axis holes 31 of the two meshing pairs, and the positioning holes 12, 92 are provided for the lockset. Post 17 is passed while the latch is fixed at a larger use size.

Please refer to shown in Fig. 2, 3, when the lock bolt of this embodiment and the lockset are jointly combined on the door, the rotating body 3 can be driven by the shaft 10 by one or two rotating bodies. The rod 72 is pushed out outside the panel 2 by the tops of the elastic elements 63, 73, and the side piece 81 of the latch release plate 8 leans against the first side edge 74 of the anti-theft plate 7, so that the latch release plate 8 is kept in the correct position. Do not move position.

Please refer to Fig. 4, when the rotating body 3 is rotated, the first driving tooth 41 or the second driving tooth 44 of the operating plate 4 can be pushed by one of the end edges 33 of the rotating body 3, and the operating plate 4 The protruding ear piece 51 of the traction plate 5 is pushed by the foot 42, the traction plate 5 pulls the hook 61 of the lock tongue 6 with the hook 54, and the lock tongue 6 retracts and hides in the shell 1, and the retraction of the lock tongue 6 can drive the anti-theft at the same time Plate 7 leads and pulls anti-theft bar 72 to hide in, because unlatching plate 8 is restricted by post 43 of action plate 4, makes the opening groove 84 of unlatching plate 8 can be entered by the guide block 64 of dead bolt 6, therefore, unlatching Latch plate 8 can not rotate.

Please see shown in Figure 5, when the lock bolt is combined on the door, and the door is snapped into the door frame, the anti-theft bar 72 is pushed in, and the anti-theft bar 72 pushes the anti-theft plate 7 backward at the same time. The side block 81 of the latch plate 8 can lean against the second side 75 (the latch release plate itself is pushed to rotate by the elastic element 73), therefore, the opening groove 84 of the latch plate 8 is staggered with the guide block 64 of the deadbolt 6 , at this time, the dead bolt 6 cannot be pressed to complete its retreat purpose, because when the dead bolt 6 intends to retreat, the guide block 64 of the dead bolt 6 will be in contact with the end edge of the unbolt plate 8 to form a lock. Tongue 6 is blocked from retreating. However, when the locked latch is opened by rotation of the rotating body 3, it will be advanced by the action plate 4, and push the oblique shoulder 85 of the release plate 8 with the protruding post 43, so that the release plate 8 rotates and resets. , so that the opening groove 84 of the unlocking plate 8 engages again on the guide block 64, so that the dead bolt 6 can be driven to retract again.

Please see shown in Fig. 6, it is another embodiment of the present invention, and this lock bolt has the use size that can change differently, but, it is relatively simple and does not have anti-theft effect, and this kind of lockset can be used in Bathrooms or indoor passages, places with low safety requirements. It is provided with components such as shell 1, panel 2, rotating body 3, traction plate 5 identical with the first embodiment, and also needs to be made of action plate 4 and dead bolt 6 components, and this component is for seeking simplification or has relatively simple structure. Good strength, its shape is slightly altered.

The action plate 4' is also provided with a first driving tooth 41' and a second driving tooth 44, which can be respectively crimped with the second end edge 33 of the rotating body 3 of the action plate 4', and the action plate 4' is also provided with a push The teeth 42' can be pushed together with the protruding lugs 51 of the traction plate 5 by the pushing teeth 42'.

The lock tongue 6' is hooked with the hook 54 of the traction plate 5 by the hook 61. The lock tongue 6' is provided with a tube 62 at the bottom for one end of the elastic element 63 to cover, so that the lock tongue 6' is always protruded from the shell 1. force.

Please refer to Figs. 7 and 8, it is the case that the present embodiment is divided into different use sizes, and it moves with the moving plate 9, so that the rotating body 3 can be staggered as shown in Fig. 7, or meshed in pairs as shown in Fig. 8 , to be used as a drive for smaller or larger sizes.

As shown in Figure 9, when the rotating body 3 is driven to rotate by the drive shaft 10 of the lock, the rotating body 3 can push the action plate 4' by the two end edges 33, so that the action plate 4' can be pushed to the side of the traction plate 5 by the pushing teeth 42'. Protrude lug piece 51, then, draw plate 5 draws dead bolt 6 ′ retraction with hook 54 hooks.

The lock bolt of the present invention, in addition to being able to change the use size, and only needs to rotate the rotating body at an angle of about 45 degrees, can make the lock tongue achieve the purpose of retracting, and this structure will be applicable to the long handle type Flat handle for easy access by handicapped or small children.

Claims (9)

1. A tubular lock bolt, which uses a shell for the rotating body, action plate, traction plate, deadbolt, anti-theft plate, unlatch plate, moving plate and other components to be accommodated, and is covered by a panel and a rear cover Together, it is characterized in that: Rotating body--two unit bodies each have a shaft hole for the lock to drive the shaft to pass through and can be driven to rotate. One of the rotating bodies is limited to the shaft hole surface of a moving plate for positioning and rotation, and the other rotating body is limited to the shaft of the shell. The hole is positioned and rotated, and the moving plate can be moved so that the two rotating bodies can be staggered or meshed. The two rotating bodies have fan-shaped plates. Paste; Action plate--is provided with a protruding first driving tooth, and a second driving tooth is set on one end side for crimping with the second terminal edge of the fan-shaped plate of the rotating body; the other end of the action plate has a foot that can be connected to the traction plate The protruding lugs are crimped, and a protruding post can be in contact with one side of the unlatch plate to keep the unlatch plate in place; Traction plate - is pivoted by a shaft hole for positioning and rotation. There is a protruding ear piece on one side of the shaft that can be pushed by the action plate. Lock tongue--Use a column tube to push one end of the elastic element, so that the lock tongue has a constant force to protrude outward. There is a hook on the lock tongue that is hooked with the hook of the traction plate. The block can be stuck in the slot of the anti-theft board; Anti-theft plate-an upright wall is combined with an anti-theft bar. The anti-theft bar is pushed out of the shell by one end of the elastic element, and the other end of the elastic element is pushed against the release plate. The anti-theft plate has a first side and a second side. , there is a connecting hypotenuse between the two sides, and the anti-theft plate can move in a straight line according to the guide block of the lock tongue with a groove; Unlatch plate--pivoted to the shaft through the shaft hole, there is a side block on one side of the shaft, the side block can lean on the first side or the second side of the anti-theft plate, and the other side of the shaft has a seat, a sloping shoulder and a straight side, The seat is sleeved by one end of the elastic element, and the straight side and the hypotenuse can be contacted by the column of the action plate; there is an open slot on the release plate, and the open slot can allow the bolt guide block to pass through; Moving plate--it can be moved between the shell and the action plate. One axis hole is used for the rotating body to be nested for positioning and rotation, and the other is used for the positioning hole for the column of the lock to pass through. 2. The tubular lock bolt according to claim 1, wherein the two rotating bodies each have several protruding pieces that can be positioned and rotated in the shaft hole of the moving plate or the shell. 3. The tubular lock according to claim 1, wherein the protruding lugs and hooks of the pulling plate are located on two sides of the shaft hole respectively, and the distance between the protruding lugs and the shaft hole is smaller than the distance between the hook and the shaft hole. 4. The tubular lock bolt according to claim 1, wherein the unlocking plate is pivotally connected by a shaft hole, a seat on one side of the shaft hole is pushed by an elastic element, and there is a side block on the other side of the shaft hole, so that the side The block can lean against the first side or the second side of the anti-theft panel. 5. The tubular lock bolt according to claim 1, the anti-theft plate is provided with a first side for the side piece of the release plate to lean against, so that the opening groove of the release plate engages with the guide block of the dead bolt, and the second When the side block of the latch release plate leans on the side, the opening groove is staggered with the guide block, and the end face of the latch release plate is blocked by the guide block to prevent the dead bolt from retreating. 6. The tubular lock bolt according to claim 1, when the dead bolt is pulled back by the traction plate, the guide block on the dead bolt can first enter into the opening groove of the release plate, and the side of the release plate The block is separated from the first side of the anti-theft plate. 7. The tubular lock bolt according to claim 1, when the action plate is pushed by the rotating body, the column on the action plate can travel along the inclined shoulder and straight line of the release plate to reset the release plate. 8. The tubular lock bolt according to claim 1, wherein the action plate has pushing teeth which can be pressed against the protruding lugs of the traction plate. 9. The tubular lock bolt according to claim 1, wherein the anti-theft plate anti-theft bar and the elastic element pushing it can be removed without installation.

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