CN211714841U

CN211714841U - Active and passive automatic door bolt

Info

Publication number: CN211714841U
Application number: CN202020146568.5U
Authority: CN
Inventors: 黄申富
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-23
Filing date: 2020-01-23
Publication date: 2020-10-20
Anticipated expiration: 2030-01-23

Abstract

The utility model provides an active and passive automatic door bolt, which mainly installs a bolt component on a sliding seat in a sliding way, and the bolt component bears the elastic acting force of a first elastic component and can be kept at an unlocking position embedded in a limit hole; the bolt rod is longitudinally and fixedly arranged on the sliding seat, a second elastic component is sleeved outside the bolt rod, and the second elastic component applies an elastic acting force which moves outwards to a locking position to the bolt rod; when an actuating component is displaced due to collision with the door frame or pushed by a user, the bolt component can be driven from the outside to be separated from the unlocking position, and the second elastic component pushes the bolt rod to move to the locking position, so that the automatic locking function is achieved.

Description

Active and passive automatic door bolt

Technical Field

The present invention relates to a top-bottom bolt, and more particularly to an active and passive automatic door bolt.

Background

The double-opening door leaf is a building material commonly used in general buildings, and based on the consideration of door safety, convenient access and the like, a user usually installs a locking structure on one of the double-opening door leaves, namely a world bolt or a world bolt, and only one door is reserved and can be freely opened and closed. The traditional world bolt structure is tied to a door frame or a floor and provided with a bolt hole for bolt locking, but if the construction process is careless, the bolt hole for bolt locking can be deviated from the center of a bolt rod, so that the bolt rod cannot or is difficult to insert into the bolt hole.

Taiwan patent citations, such as M246415 and M323509, disclose an automatic top and bottom bolt, in which a bolt of a lock bolt is retracted and then continuously kept in a retracted unlocked state until a user closes the door, the bolt can automatically extend to return to a locked state, so that the use is convenient. However, the automatic top-bottom bolt disclosed in the above patent citation has a complicated structure, which results in high labor hour for assembly and high manufacturing cost, so it is necessary to develop a top-bottom bolt structure with simple structure, fast assembly, and reduced manufacturing cost.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide an active and passive automatic door bolt, which mainly relies on the elastic force of the elastic component to achieve the automatic locking function, and provide an automatic door bolt structure with simple structure, fast assembly, and reduced manufacturing cost.

The active and passive automatic door bolt which can achieve the purpose of the utility model comprises: the door bolt body is divided into an upper half area and a lower half area by a separation baffle plate with an opening, the lower half area is provided with a slotted hole with a limiting hole, and the aperture of the limiting hole is larger than the width of the slotted hole; a slide carriage operable to be longitudinally displaced; a bolt assembly slidably and transversely installed on the sliding seat, wherein the diameter of the bolt assembly is smaller than the aperture of the limiting hole but larger than the width of the slotted hole, so that the bolt assembly can be operatively embedded into the limiting hole, and the bolt assembly bears the elastic acting force of a first elastic assembly, thereby having an elastic tendency of keeping at an unlocking position embedded into the limiting hole; a bolt rod longitudinally and fixedly arranged on the sliding seat, wherein part of the rod body of the bolt rod passes through the opening hole on the separation baffle plate and enters the upper half area, and a spring baffle plate is embedded in the part of the rod body of the bolt rod passing through the opening hole by utilizing an annular groove; a second elastic component sleeved outside the bolt rod and between the separation blocking piece and the spring blocking piece, wherein the second elastic component applies an elastic acting force to the bolt rod to move outwards to a locking position; the actuating assembly is provided with a root part which extends into the slotted hole and has an outer diameter smaller than the width of the slotted hole so as to limit the actuating assembly to be linearly displaced along the slotted hole; when the actuating component bears an external force to drive the bolt component to be separated from the unlocking position embedded in the limiting hole, the second elastic component pushes the bolt rod to move to the locking position.

In a preferred embodiment of the present invention, the door bolt further comprises an elastic positioning assembly for assisting the bolt assembly to be kept at the unlocking position, wherein the elastic positioning assembly comprises a third elastic assembly installed in the sliding seat, a positioning steel ball and a first positioning groove arranged on the door bolt body; when the bolt assembly is located at the unlocking position embedded in the limiting hole, the positioning steel ball is partially embedded in the first positioning groove due to the elastic acting force of the third elastic assembly.

In a preferred embodiment of the present invention, the bolt body further has a second positioning groove; when the bolt assembly is located at the locking position, the positioning steel ball is partially embedded into the second positioning groove due to the elastic acting force of the third elastic assembly, so that the bolt assembly can be assisted to be kept at the locking position.

In a preferred embodiment of the present invention, the top end of the pin rod is further provided with a marking tip for marking a pin hole predetermined position mark on an external object.

In a preferred embodiment of the present invention, the upper half of the keeper body is further provided with a boundary plate symmetrical to the separation plate, the boundary plate is provided with an opening allowing the bolt rod to freely pass through, and the separation plate and the boundary plate jointly keep the bolt rod from deflecting during displacement.

In a preferred embodiment of the present invention, the cover member further comprises a decorative plate for covering the opening of the actuator.

The utility model provides an initiative, passive form automatic keeper mainly relies on elastic component's elastic force, reaches the function of locking automatically, can provide a simple structure, equipment fast, and then can reduce manufacturing cost's automatic keeper structure.

Drawings

FIG. 1 is a perspective exploded view of the active and passive tumblers of the present invention;

FIG. 2 is a perspective assembly view of the active and passive tumblers;

FIG. 3 is a cross-sectional view of the active and passive deadbolt in an unlocked position;

FIG. 4 is a view similar to FIG. 3, but illustrating the operation of the latch bolt assembly being pushed out of the position-limiting hole;

FIG. 5 is a view similar to FIG. 3, but illustrating the operation of the active and passive tumblers as displaced to the unlatched position;

fig. 6 is a rear view of the bolt body of the active and passive type automatic bolt.

Detailed Description

Referring to fig. 1 and fig. 2, the active and passive automatic door bolts provided by the present invention mainly include: the bolt comprises a bolt body 10, a sliding seat 20, a bolt assembly 30, a bolt rod 40, a second elastic assembly 50 and an actuating assembly 60.

The door bolt body 10 is divided into an upper half area 13 and a lower half area 14 by a separation baffle 12 with an opening 11, the lower half area 14 is provided with a slot hole 15 with a limiting hole 16, and the aperture of the limiting hole 16 is larger than the width of the slot hole 15.

The latch bolt assembly 30 is slidably installed on the sliding seat 20 in a transverse direction, the diameter of the latch bolt assembly 30 is smaller than the diameter of the hole 16 but larger than the width of the slot 15, so that the latch bolt assembly 30 can be operatively inserted into the hole 16, and the latch bolt assembly 30 bears the elastic force of a first elastic element 31, thereby having an elastic tendency to remain in the unlocked position (as shown in fig. 3) inserted into the hole 16.

The bolt 40 is longitudinally fixed on the sliding seat 20, part of the rod body of the bolt 40 passes through the opening 11 of the separation baffle 12 and enters the upper half area 13, and a spring baffle 42 is embedded on the part of the rod body of the bolt 40 passing through the opening 11 by using an annular groove 41.

The second elastic element 50 is sleeved outside the bolt 40 and between the separation stop 12 and the spring stop 42, and the second elastic element 50 applies an elastic force to the bolt 40 to move outwards to a locking position.

The actuating assembly 60 can drive the latch bolt assembly 30 to synchronously displace from the outside, and the actuating assembly 60 has a root portion 61 extending into the slot 15 and having an outer diameter smaller than the width of the slot 15, so as to limit the actuating assembly 60 to linearly displace only along the slot 15; the actuating assembly 60 further includes an actuating sleeve 62 fitted over the latch bolt assembly 30, and a lock nut 63 locked to the latch bolt assembly 30 to prevent the actuating sleeve 62 from moving outward, wherein the outer surface of the actuating sleeve 62 is preferably formed in a conical shape so as to be impacted by an external object such as a door frame, thereby displacing the actuating assembly 60. As shown in fig. 4, when the actuating sleeve 62 is pressed by a user or collided with a door frame, the actuating element 60 is displaced to drive the latch bolt assembly 30 to be out of the unlocking position in the insertion limiting hole 16, and at this time, the second elastic element 50 pushes the bolt 40 to move outward to the locking position shown in fig. 5, so as to achieve the active or passive automatic locking function.

As discussed in the preceding paragraph, the latch lever 40 automatically latches, either actively or passively, when the actuating assembly 60 is depressed by a user or impacted by a doorframe. In case of fire, the pin 40 has a passive automatic cocking function since some components are made of special ignition type materials.

The slot 15 is not provided with other positioning structures except the limiting hole 16, which is obviously different from other prior arts with multi-stage positioning function, because the bolt rod 40 cannot be automatically screwed if other positioning structures are arranged in the middle of the slot 15.

Referring to fig. 1 and fig. 6, the active and passive automatic keeper of the present invention further includes an elastic positioning assembly 70 for assisting the locking bolt assembly 30 to be kept at the unlocking position, and the elastic positioning assembly is composed of at least one third elastic assembly 71 installed in the sliding seat 20, at least one positioning steel ball 72, and at least one first positioning groove 73 opened on the keeper body 10; when the latch bolt assembly 30 is located at the unlocking position inserted into the limiting hole 16, the positioning steel ball 72 is partially inserted into the first positioning groove 73 due to the elastic force of the third elastic assembly 71. The door bolt body 10 is further provided with a second positioning groove 74; when the latch bolt assembly 30 is located at the locking position, the positioning steel ball 72 is partially embedded into the second positioning groove 74 due to the elastic force of the third elastic assembly 71, so as to assist the latch bolt assembly 30 to be kept at the locking position.

In a preferred embodiment of the present invention, the top end of the bolt 40 is further provided with a marking tip 43 for marking a mark on an external object such as a door frame or a wall, and a bolt hole for inserting the bolt 40 to form a locking state is formed according to the mark, so as to avoid the existing disadvantage that the bolt hole for locking the bolt may deviate from the center of the bolt, so that the bolt cannot be inserted into the bolt hole or is difficult to be inserted into the bolt hole.

In a preferred embodiment of the present invention, the upper half of the keeper body 10 is further provided with a boundary plate 18 symmetrical to the separation plate 12, the boundary plate 18 is provided with an opening 19 allowing the bolt 40 to freely pass through, and the separation plate 12 and the boundary plate 18 jointly keep the bolt 40 from deflecting during displacement.

In a preferred embodiment of the present invention, a covering decorative plate 80 is further included to allow only the actuating assembly 60 and the slot 15 to be exposed.

The utility model provides an initiative, passive form automatic keeper mainly relies on elastic component's elastic force, reaches the function of locking automatically to a simple structure, equipment are quick, and then can reduce manufacturing cost's automatic keeper structure is provided.

Claims

1. An active, passive automatic door latch, comprising:

the door bolt body is divided into an upper half area and a lower half area by a separation baffle plate with an opening, the lower half area is provided with a slotted hole with a limiting hole, and the aperture of the limiting hole is larger than the width of the slotted hole;

a slide carriage operable to be longitudinally displaced;

a bolt assembly slidably and transversely installed on the sliding seat, wherein the diameter of the bolt assembly is smaller than the aperture of the limiting hole but larger than the width of the slotted hole, so that the bolt assembly can be operatively embedded into the limiting hole, and the bolt assembly bears the elastic acting force of a first elastic assembly, thereby having an elastic tendency of keeping at an unlocking position embedded into the limiting hole;

a bolt rod longitudinally and fixedly arranged on the sliding seat, wherein part of the rod body of the bolt rod passes through the opening hole on the separation baffle plate and enters the upper half area, and a spring baffle plate is embedded in the part of the rod body of the bolt rod passing through the opening hole by utilizing an annular groove;

a second elastic component sleeved outside the bolt rod and between the separation blocking piece and the spring blocking piece, wherein the second elastic component applies an elastic acting force to the bolt rod to move outwards to a locking position; and

the actuating assembly can drive the lock tongue assembly to synchronously move from the outside and is provided with a root part which extends into the slotted hole and has an outer diameter smaller than the width of the slotted hole so as to limit the actuating assembly to only linearly move along the slotted hole; when the actuating component bears an external force to drive the bolt component to be separated from the unlocking position embedded in the limiting hole, the second elastic component pushes the bolt rod to move to the locking position.

2. The active, passive automatic door latch according to claim 1, wherein: the bolt assembly is arranged in the sliding seat and comprises a bolt body, a first positioning groove and a second positioning groove, wherein the bolt body is provided with a first positioning steel ball; when the bolt assembly is located at the unlocking position embedded in the limiting hole, the positioning steel ball is partially embedded in the first positioning groove due to the elastic acting force of the third elastic assembly.

3. The active, passive automatic door latch according to claim 2, wherein: the bolt body is also provided with a second positioning groove; when the bolt assembly is located at the locking position, the positioning steel ball is partially embedded into the second positioning groove due to the elastic acting force of the third elastic assembly, so that the bolt assembly can be assisted to be kept at the locking position.

4. The active, passive automatic door latch according to claim 1, wherein: the top end of the bolt rod is also provided with a marking tip used for marking a bolt hole preset position mark on an external object.

5. The active, passive automatic door latch according to claim 1, wherein: the upper half area of the bolt body is also provided with a boundary baffle sheet symmetrical to the separation baffle sheet, the boundary baffle sheet is provided with an opening allowing the bolt rod to freely pass through, and the separation baffle sheet and the boundary baffle sheet jointly keep the bolt rod not to deflect when in displacement.

6. The active, passive automatic door latch according to claim 1, wherein: also comprises a decorative plate for covering which only allows the actuating component and the slot hole to be exposed outside.