TWI797830B - push lock structure - Google Patents

Abstract

The present invention relates to a pushing door lock structure, which includes: a pushing door handle, a linkage mechanism and a driving frame. The push door handle is fixed on a door panel and has a push portion; the linkage mechanism has a rotating frame pivotally arranged on the pushing door handle and a moving piece, and the rotating frame has a linkage end and a pivoting end, and the linkage has a pivot groove pivotally connected to the pivoting end; the driving frame is arranged on the pushing portion, and has a dial that engages against the linkage end moving part. When the pushing part is pushed by an external force, it drives the driving frame to move, so that the toggle part drives the turret to rotate, and then drives the connecting part to move to an unlocking position.

Description

push lock structure

The present invention relates to a push door lock structure, especially a structure that utilizes a toggle design to control the actuation of the door lock mechanism.

Press, push door handles are mostly used for emergency entrances and exits such as fire doors and escape doors, so that people can push to open them when escaping, so as to avoid unnecessary opening actions and affect the escape time.

The push door handle of a general fire door usually drives the interlocking mechanism by pushing the door handle, and then controls the door lock mechanism to achieve the locking and unlocking of the fire door.

However, in the general linkage mechanism for pushing the doorknob, the structure of each component needs to be precisely coordinated to achieve accurate linkage, which is not only complicated in structure but also relatively high in cost.

Therefore, how to provide a push door handle with a simple interlocking structure and stable actuation is the technical problem to be solved by the present invention.

In order to overcome the above-mentioned disadvantages, the present invention provides a push door lock structure, which drives the turret to rotate through the toggle part, and then makes the linkage piece link the door lock mechanism to actuate.

The present invention is a push door lock structure, which includes: a push door handle, which has a frame seat and a push part, the frame seat is fixed on a door panel, and the push part can be It is movably arranged on the frame seat, and has a non-pushing position and a pushing position; a linkage mechanism, and its There is a casing, a turret and a link, the casing is fixed on the above-mentioned door panel, and has a pair of spacing holes that are spaced from each other and arranged up and down; the turret is pivotally mounted on the casing, and can Rotate between an inclined position and a horizontal position, and the turret system has a linkage end and a pivot end; the two ends of the linkage are respectively passed through the pair of limiting holes for axial displacement, and the The linking part has a pivot slot and two connecting parts, the pivot slot is located at the central side edge of the linking part, and the two connecting parts are respectively arranged at the two ends of the linking part; wherein, the pivoting end of the turret The part is pivotally arranged in the pivot groove of the linkage, and the two connecting parts are respectively connected to the two connecting rods of a door lock mechanism; a driving frame is fixed on the pushing part, and has a toggle part, and The toggle part is engaged against the linkage end of the turret; when the pushing part is in the unpressed position, the turret is in the tilted position, and the linkage is in a locked position; And when the pushing part is pushed by an external force and moves from the unpressed position to the pushing position, it will move the driving frame in a direction away from the linkage mechanism, so that the toggle part of the driving frame drives the The turret is rotated to the horizontal position, and the linkage is located at an unlocked position in conjunction with the linkage.

The following is a detailed description of specific embodiments accompanied by drawings, so that the examiners can have a further understanding of the technical characteristics of the present invention.

10: Push the doorknob

11: frame seat

12: Pushing part

13: limit rod

20: Linkage mechanism

21: shell

211: limit hole

212: The first pivot joint

22: Turret

22A: First side panel

22B: Second side panel

22C: Backplane

221: Linkage end

222: Pivot end

223: The second pivot joint

23: Linkage

23A: the first rod body

23B: Second rod body

231: pivot slot

2311: Curved bottom

2312: Straight line segment

232: Connecting part

30: drive frame

31: Toggle part

32: Locking part

33: Extension board

70: screw

90: door panel

95: Connecting rod

P11: Unpressed position

P12: push position

P21: Inclined position

P22: Horizontal position

P31: Locked position

P32: Unlock position

Figure 1 is a schematic diagram of the push door lock structure of the present invention installed on the door panel.

Figure 2 is an exploded view of the present invention.

Fig. 3 is a schematic diagram of the linkage member connecting the two connecting rods of the door lock mechanism of the present invention.

Figure 4 is a schematic diagram of the assembly of the linkage mechanism and the drive frame of the present invention.

Figure 5A is a schematic side view of the present invention in an unpressed state.

Figure 5B is a schematic top view of the present invention in an unpressed state.

Figure 6A is a schematic side view of the present invention in a pushing state.

Figure 6B is a schematic top view of the present invention in a pushed state.

Fig. 7 is a schematic view of the present invention after the pushing external force is removed.

Please refer to Fig. 1 to Fig. 7, which is a preferred embodiment of the push door lock structure of the present invention, which includes: a push door handle 10, a linkage mechanism 20 and a drive frame 30.

Regarding the push door handle 10, it has a frame seat 11 and a push portion 12, the frame seat 11 is fixed on the door panel 90 of an escape door or a fire door (about the position of the waist of the human body), and the push The pressing part 12 is movably arranged on the frame seat 11, and has a non-pressing position P11 and a pushing position P12.

In practice, the push door handle 10 is provided with at least one limit rod 13 and at least one elastic element (not shown in the figure), and the two ends of the limit rod 13 are pivotally connected to the frame seat 11 and the push handle respectively. Pressure part 12. When the push part 12 is pushed by an external force, the push part 12 moves from the unpressed position P11 to the pushed position P12, and at this time, the push part 12 is oscillated by the limit rod 13 The range is limited to move away from the linkage mechanism 20 (as shown in Figure 6B); and when the external force is removed, the elastic force of the elastic element pushes the pushing portion 12 back to the unpressed position P11, At this moment, the pushing part 12 is limited by the swing range of the limiting rod 13 and moves toward the linkage mechanism 20 .

The linkage mechanism 20 has a housing 21 , a turret 22 and a linkage 23 . The casing 21 is fixed on the door panel 90, and has a pair of rectangular limiting holes 211 spaced apart from each other and arranged up and down. The pair of limiting holes 211 are respectively connected to each other through the top and bottom of the casing 21 . The turret 22 is pivotally mounted on the casing 21, and can be positioned at an inclined position P21 and a horizontal position P22 The turret 22 has a linking end portion 221 and a pivoting end portion 222 . The two ends of the linkage 23 are respectively pierced with the pair of limiting holes 211 to be axially displaced up and down, and the linkage 23 has a pivot groove 231 and two connecting parts 232, and the pivot groove 231 is located at the The central side edge of the linkage piece 23, and the two connecting portions 232 are respectively arranged at two ends of the linkage piece 23. Wherein, the pivotal end portion 222 of the turret 22 is pivotally disposed on the pivotal groove 231 of the linkage member 23 , and the two connecting portions 232 are respectively connected to the two connecting rods 95 of a door lock mechanism.

The drive frame 30 is fixed on the pushing portion 12 and has a toggle portion 31 , and the toggle portion 31 is engaged and abutted against the linkage end portion 221 of the turret 22 .

Thereby, when the pressing part 12 is located at the unpressed position P11, the turret 22 is located at the tilted position P21, and the linkage 23 is located at a locking position P31; and when the pressing part 12 is pressed When the external force pushes and moves from the unpressed position P11 to the pushed position P12, the drive frame 30 is moved in a direction away from the linkage mechanism 20, so that the toggle part 31 of the drive frame 30 drives the rotation. The frame 22 rotates to the horizontal position P22, and the linking member 23 is located at an unlocked position P32.

In design, the cross-section of the turret 22 is generally in the shape of a ㄈ, and has a first side plate 22A, a second side plate 22B and a back plate 22C, and the length of the first side plate 22A is greater than that of the second side plate 22B. length, and the two sides of the back plate 22C are respectively connected to the first side plate 22A and the second side plate 22B; The portion 222 is disposed on an end of the first side panel 22A away from the back panel 22C. In addition, the casing 21 has a first pivot portion 212, and the rotating frame 22 has a second pivot portion 223, and the second pivot portion 223 is arranged at the center of the first side plate 22A. And the second pivot portion 223 is pivotally disposed on the first pivot portion 212 .

In more detail, the second side plate 22B is trapezoidal and moves away from the back plate The direction of 22C gradually expands, and the interlocking end 221 is in the shape of an arc-shaped protrusion, and is arranged on the top and bottom surfaces of the end of the second side plate 22B (in practice, the interlocking end 221 can also only be arranged on the top surface, which can be driven by the toggle part 31). When the pushing part 12 moves from the non-pressing position P11 to the pushing position P12, the toggle part 31 drives the arc-shaped convex interlocking end part 221 to displace, so that the turret 22 rotates to the Horizontal position P22.

In this embodiment, the pivoting end 222 is cylindrical, the pivoting groove 231 has an arc-shaped bottom 2311 and a straight line 2312, and the pivoting end 222 can slide in the pivoting groove 231; When the turret 22 is at the inclined position P21, the pivotal end 222 is located on the straight line 2312, and there is a distance between the pivotal end 222 and the arc-shaped bottom 2311, and when the turret 22 When located at the horizontal position P22 , the pivotal end 222 is in contact with the arc-shaped bottom 2311 .

The linkage 23 is composed of a first rod body 23A and a second rod body 23B, and the pivot groove 231 is arranged on one of the first rod body 23A and the second rod body 23B; As shown in Figure 2, in this embodiment, the pivot groove 231 is set on the central side edge of the first rod body 23A, and the first rod body 23A and the second rod body 23B are connected by a plurality of screws 70 And lock mutually to form this linkage 23.

In addition, the drive frame 30 is designed to have a locking portion 32 and an extension plate 33. The locking portion 32 and the toggle portion 31 are respectively located at the two ends of the extension plate 33, and the toggle The portion 31 is substantially perpendicular to the extension plate 33 .

Please refer to Fig. 5A and Fig. 5B, it is the state of the present invention when not pushing, at this moment, this pushing part 12 is at this not pushing position P11, and this turret 22 is at this inclined position P21, and The linking member 23 is located at the locking position P31 , and the toggle portion 31 of the driving frame 30 is engaged and abutted against the linking end portion 221 of the rotating frame 22 .

Please refer to Fig. 6A and Fig. 6B, which is the state of the present invention when pushing; The pushing part 12 drives the drive frame 30 to move away from the linkage mechanism 20, and makes the toggle part 31 of the drive frame 30 drive the turret 22 to rotate to the horizontal position P22, and then drives the drive frame 23 in the axial direction. Move to an unlocked position P32.

When the external force pushing the pushing part 12 is removed, the pushing part 12 is returned to the unpressed position P11 by the elastic force of the elastic element (not shown in the figure), please refer to Fig. 7, at this time , the toggle part 31 is separated from the interlocking end 221 of the turret 22, and the gravity of the turret 22, the linkage 23 and the two connecting rods 95 of the door lock mechanism makes the turret 22 rotate downwards to Return to the inclined position P21, and the interlocking end portion 221 engages with the toggle portion 31 and abuts against each other (that is, returns to the state in Fig. 5A and Fig. 5B).

As can be seen from the above description, the present invention utilizes the interlocking movement of the turret 22 and the linking member 23, together with the toggle design of the driving frame 30, to achieve interlocking movement of the two connecting rods 95 of the door lock mechanism, thereby achieving locking and unlocking. wait for action.

In summary, the advantages and effects of the present invention can be summarized as follows:

[1] The structure is simple. Generally, in the interlocking mechanism of pushing the doorknob, the structure of each component needs to be precisely coordinated to achieve accurate interlocking, which is not only complicated in structure but also relatively high in cost. And the present invention utilizes the interlocking movement of the turret 22 and the linking member 23, and cooperates with the toggle design of the driving frame 30 to achieve interlocking locking and unlocking, so it has the advantage of a simple structure.

[2] The movement is stable. The present invention utilizes the rotation of the turret 22 to move the linkage member 23 axially up and down in the limiting hole 211 of the housing 21 , which has the advantages and effects of not being easy to swing and stable in motion.

From the above detailed description, those who are familiar with this art can understand that the present invention can indeed achieve the aforementioned purpose, and have actually met the provisions of the Patent Law, so they should file an application for a patent for invention.

12: Pushing part

21: shell

211: limit hole

212: The first pivot joint

22: Turret

22A: First side panel

22B: Second side panel

22C: Backplane

221: Linkage end

222: Pivot end

223: The second pivot joint

23: Linkage

23A: the first rod body

23B: Second rod body

231: pivot slot

30: drive frame

31: Toggle part

32: Locking part

33: Extension board

70: screw

Claims (8)

A push door lock structure, which includes: A push door handle has a frame seat and a push part, the frame seat is fixed on a door panel, and the push part is movably arranged on the frame seat, and has a non-push position and a pushing position; A linkage mechanism, which has a housing, a turret and a linkage, the housing is fixed on the above-mentioned door panel, and has a pair of spaced from each other and set up and down the limit hole; the turret is pivoted on the The casing can rotate between an inclined position and a horizontal position, and the turret has a linkage end and a pivot end; the two ends of the linkage are respectively pierced with the pair of limiting holes It can be displaced axially, and the link has a pivot slot and two connecting parts, the pivot slot is located at the central side edge of the link, and the two connecting parts are respectively provided at both ends of the link; wherein, The pivoting end of the turret is pivotally arranged in the pivot groove of the linkage, and the two connecting parts are respectively connected to two connecting rods of a door lock mechanism; A driving frame, which is fixed on the pushing part, and has a toggle part, and the toggle part is engaged against the linkage end of the turret; When the pushing part is at the non-pushing position, the turret is at the tilted position, and is linked with the linkage to be at a locked position; And when the pushing part is pushed by an external force and moves from the unpressed position to the pushing position, it will move the driving frame in a direction away from the linkage mechanism, so that the toggle part of the driving frame drives the The turret is rotated to the horizontal position, and the linkage is located at an unlocked position in conjunction with the linkage. The push door lock structure as described in claim 1, wherein, the cross section of the turret is generally ㄈ-shaped, and has a first side plate, a second side plate and a back plate, and the two sides of the back plate are respectively connecting the first side plate and the second side plate; the linkage end is set on the second side plate away from the One end of the backboard, and the pivotal end part is set at the end of the first sideboard away from the backboard. The pushing door lock structure as described in claim 2, wherein, the casing has a first pivot joint, and the turret has a second pivot joint; the second pivot joint is arranged on the The central position of the first side plate, and the second pivotal part is pivotally arranged on the first pivotal part. The push door lock structure according to claim 2, wherein the length of the first side plate is greater than the length of the second side plate. The push door lock structure as described in Claim 1, wherein the pivotal end is cylindrical, the pivotal groove has an arc-shaped bottom and a straight line, and the pivotal end can be placed in the pivotal groove slide in the middle; when the turret is at the inclined position, the pivot end is located on the straight line, and there is a distance between the pivot end and the arc bottom, and when the turret is at the horizontal position , the pivotal end is in contact with the arc-shaped bottom. The push door lock structure as described in claim 1, wherein the interlocking end is in the shape of an arc protrusion. The push door lock structure as described in Claim 1, wherein the linkage is composed of a first rod body and a second rod body, and the pivot groove is arranged on the first rod body and the second rod body. One of the second rods. The push door lock structure as described in claim 1, wherein the drive frame has a locking portion and an extension plate, the locking portion and the toggle portion are respectively arranged at both ends of the extension plate, and The toggle part is substantially perpendicular to the extension plate.

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