CN217269588U - Buffer device - Google Patents

Abstract

The utility model relates to the field of door leaves, in particular to a buffer, which comprises a bracket, a buffer component and a trigger block, wherein the bracket is fixedly arranged on a door leaf, the trigger block is fixedly arranged on a door frame, and the trigger block is matched with the buffer component in a dragging way; the buffer assembly comprises a lower support and an upper support, and a gas spring, a shifting block, an elastic part and a guide wheel are arranged in cavities of the lower support and the upper support in a mirror image manner; the shifting block is provided with a clamping claw which is matched with a bulge arranged on the triggering block. The utility model discloses in, when the door leaf was closed the door, the pin broke away from the dead point, and the power of receiving jar internal gas pressure and door leaf motion when the connecting rod compression offsets each other, and the door leaf receives the slow motion of traction force of gas spring, plays the purpose of slowly closing the door to can avoid children to press from both sides when playing the door leaf and hinder the finger.

Description

Buffer device

Technical Field

The utility model relates to a door leaf technical field especially relates to a buffer.

Background

At present, a sliding door is a partition door which is the most common in household building materials, such as: living room, balcony, kitchen, etc. The door leaf can slide horizontally on the door frame guide rail and lock the door leaf by installing door leaf accessories such as a pulley, a balance wheel, a handle lock, an anti-collision rubber pad and the like on the door leaf. In the daily door closing process, because the acceleration operation that heavy door leaf and piece speed were closed the door often can lead to the door leaf to strike the door frame fast, the anticollision on the door frame can only play the effect that the protection door leaf did not damage this moment, leaves certain potential safety hazard for children, if children play the door leaf to and lead to the finger accidental injury accident easily.

To solve the above problems. The utility model provides a: the buffer is provided for the sliding door, the slow door closing and door closing clamping force control are achieved, and the fingers of children are prevented from being injured by the clamping of the door leaf.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a buffer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a buffer comprises a support, a buffer component and a trigger block, wherein the support is fixedly arranged on a door leaf, the trigger block is fixedly arranged on a door frame, and the trigger block is matched with the buffer component in a dragging manner;

the buffer assembly comprises a lower support and an upper support, and a gas spring, a shifting block, an elastic part and a guide wheel are arranged in cavities of the lower support and the upper support in a mirror image manner;

the shifting block is provided with a clamping claw which is matched with a bulge arranged on the triggering block.

Preferably, the buffer component is provided with a plurality of sliding tables which slide along a plurality of sliding grooves arranged on the bracket.

Preferably, the gas spring is a pneumatic buffer cylinder body internally provided with a spring, and the tail part of the connecting rod which can extend out in a self-ejection mode is rotatably arranged in a pin hole formed in the lower support and the upper support through a pin.

Preferably, the shifting block is further provided with a salient point and a pin hole, and the pin hole and the connecting rod are arranged in a rotating mode through pin embedding.

Preferably, the salient points and the pins slide along guide grooves formed in the lower support and the upper support.

Preferably, the guide wheel is matched with a guide groove of the door frame.

When the door leaf moves towards the door opening direction, the pin is dragged to a dead point arranged on the lower support and the upper support, and the trigger block is separated from the shifting block.

When the door leaf moves towards the door closing direction, the pin is separated from the dead point.

The utility model has the advantages that:

the utility model discloses in, when the door leaf was closed the door, the pin broke away from the dead point, and the power of receiving jar internal gas pressure and door leaf motion when the connecting rod compression offsets each other, and the door leaf receives the slow motion of traction force of gas spring, plays the purpose of slowly closing the door to can avoid children to press from both sides when playing the door leaf and hinder the finger.

Drawings

Fig. 1 is a schematic structural view of a buffer according to the present invention when a door leaf is opened;

fig. 2 is a schematic structural view of the buffer according to the present invention when the door leaf is closed;

fig. 3 is an exploded view of a buffer according to the present invention;

fig. 4 is an exploded view of a buffering assembly of a buffer according to the present invention;

fig. 5 is a schematic view of an installation structure of a gas spring and a shifting block of a buffer according to the present invention.

In the figure: the device comprises a support 1, a buffer assembly 2, a trigger block 3, a sliding groove 11, a sliding table 20, a lower support 21, an upper support 22, a gas spring 23, a shifting block 24, an elastic part 25, a guide wheel 26, a boss 31, a dead point 220, a guide groove 221, a pin hole 222, a pin 230, a connecting rod 231, a claw 241, a pin hole 242 and a salient point 243.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 5, a buffer includes: the buffer assembly comprises a support 1, a buffer assembly 2 and a trigger block 3, wherein the support 1 is fixedly arranged on a door leaf and can move in parallel along with the door leaf; trigger block 3 installation is fixed on the door frame, and trigger block 3 plays the effect of dragging with the cooperation of buffer unit 2.

The buffer assembly 2 comprises: the device comprises a lower bracket 21, an upper bracket 22, a gas spring 23, a shifting block 24, an elastic piece 25 and a guide wheel 26; the gas spring 23, the shifting block 24, the elastic part 25 and the guide wheel 26 are respectively arranged between the cavities arranged in the mirror image of the lower support 21 and the upper support 22.

Wherein, the buffer component 2 is provided with a plurality of sliding tables 20 which can slide along a plurality of sliding grooves 11 arranged on the bracket 1; the preferred damping assembly 2 is capable of lifting on the frame 1;

the gas spring 23 is a gas pressure buffer cylinder body internally provided with a spring, a connecting rod 231 capable of extending out of the gas spring in a self-ejection manner is arranged, the shifting block 24 is provided with a clamping claw 241 which is matched with the bulge 31 arranged on the trigger block 3 for use, and the shifting block 24 is also provided with a convex point 243 and a pin hole 242; the pin hole 242 and the connecting rod 231 are arranged by the pin 240 in a jogged and rotating mode, the tail part of the gas spring is arranged on the pin hole 222 arranged on the lower bracket 21 and the upper bracket 22 by the pin 240 in a rotating mode, the salient point 243 and the pin 240 slide along the guide groove 221 arranged on the lower bracket 21 and the upper bracket 22, when the connecting rod 231 is compressed, the force of the air pressure in the cylinder and the force of the movement of the door leaf are mutually counteracted, and the aim of slowly closing the door is achieved.

The elastic part 25 and the guide wheel 26 are symmetrically arranged in the cavities of the lower bracket 21 and the upper bracket 22, one end of the elastic part 25 props against the cavity, and the other end props against the inner wall of the bracket 1, so that the buffer component 2 can do lifting motion on the bracket 1; the guide wheels 26 cooperate with the guiding grooves of the door frame to allow the door leaf to move smoothly on the door frame while maintaining the protrusions 31 and the claws 241 at the working height.

Wherein, the gas spring 23 is embedded and fixed in the lower bracket 21 and the upper bracket 22 by a pin 240, and the gas spring 23 is arranged in a detachable way.

In the embodiment, the buffer is installed on the door leaf, the bracket 1 is fixedly installed on the door leaf and can move in parallel along with the door leaf, the trigger block 3 is installed and fixed on the door frame, the trigger block 3 and the buffer component 2 are matched to play a role in dragging, when the door leaf moves towards the door opening direction, the pin 240 is dragged to a dead point 220 formed by the lower bracket 21 and the upper bracket 22, and at the moment, the trigger block 3 is separated from the shifting block 24; when the door leaves move towards the door closing direction, the pin 240 is separated from the dead point 220, the force of the air pressure in the cylinder and the force of the movement of the door leaves counteract each other when the connecting rod 231 is compressed, and the door leaves slowly move under the traction force of the air spring, so that the aim of slowly closing the door is fulfilled.

The utility model discloses in, when the door leaf was closed the door, pin 240 broke away from dead point 220, and the power of receiving the cylinder internal gas pressure and the power of door leaf motion when connecting rod 231 compressed offsets each other, and the door leaf receives the traction force slow motion of gas spring, plays the purpose of slowly closing the door to can avoid children to press from both sides when playing the door leaf and hinder the finger.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (8)

1. A buffer comprises a support (1), a buffer component (2) and a trigger block (3), and is characterized in that the support (1) is fixedly arranged on a door leaf, the trigger block (3) is fixedly arranged on a door frame, and the trigger block (3) is matched with the buffer component (2) in a dragging manner;

the buffer assembly (2) comprises a lower support (21) and an upper support (22), and a gas spring (23), a shifting block (24), an elastic piece (25) and a guide wheel (26) are arranged in cavities of the lower support (21) and the upper support (22) in a mirror image manner;

the shifting block (24) is provided with a clamping claw (241) which is matched with a bulge (31) arranged on the trigger block (3).

2. A buffer according to claim 1, wherein the buffer assembly (2) is provided with a plurality of sliding tables (20) which slide along a plurality of sliding grooves (11) provided on the bracket (1).

3. A damper according to claim 1, characterized in that the gas spring (23) is a pneumatic damping cylinder with a built-in spring, a connecting rod (231) capable of extending from the spring is provided, and the tail of the gas spring (23) is rotatably arranged in a pin hole (222) formed in the lower bracket (21) and the upper bracket (22) by a pin (240).

4. A damper according to claim 3, wherein the pick (24) is further provided with a boss (243) and a pin hole (242), and the pin hole (242) and the connecting rod (231) are rotatably arranged by engaging with the pin (240).

5. A damper according to claim 4 wherein the nubs (243) and pins (240) slide within guide slots (221) provided in the lower bracket (21) and upper bracket (22).

6. A buffer according to claim 1 wherein the guide wheels (26) engage with guide channels of a door frame.

7. A buffer according to claim 5, characterized in that when the door leaf moves towards the door opening direction, the pin (240) is dragged to the dead point (220) arranged between the lower bracket (21) and the upper bracket (22), and the trigger block (3) is separated from the shifting block (24).

8. A buffer according to claim 5 wherein the pin (240) is disengaged from the dead centre (220) when the door leaf is moved in the closing direction.

Images