CN217841287U

CN217841287U - Buffer assembly structure

Info

Publication number: CN217841287U
Application number: CN202221664136.9U
Authority: CN
Inventors: 谭发杨
Original assignee: Zhaoqing Hongfeng Zhiyang Precision Products Co ltd
Current assignee: Zhaoqing Hongfeng Zhiyang Precision Products Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-11-18
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a buffer component structure, including base and connecting axle, elasticity roof pressure mechanism and the buffer gear of setting in the base, be equipped with first eccentric cam and second eccentric cam on the connecting axle, first eccentric cam and elasticity roof pressure mechanism butt, and seted up the spacing groove along the axial on the first eccentric cam, and seted up the guide way along circumference, the guide way with the spacing groove intercommunication, second eccentric cam and buffer gear butt, and the protruding position of second eccentric cam with the spacing groove is same direction line, through having seted up the guide way along circumference at first eccentric cam, the last first ball of elasticity roof pressure mechanism can slide at guide way 2, and is more smooth and easy when making the connecting axle rotate, compares traditional door closer and has not only increased the cushioning effect, can not produce the impact sound in the twinkling of an eye at the door closer, compares other buffers structures that have interior oil circuit moreover simpler, has the advantage of being convenient for installation, dismantlement and maintenance and easily processing.

Description

Buffer assembly structure

Technical Field

The utility model relates to a door and window accessory technical field especially relates to a buffer component structure.

Background

At present, door and window hinge products such as door closers, door hinges and the like are commonly or traditionally adopted, but the spring type structure is generally adopted, but the main defect of the spring type structure is that the impact force is large when the door is closed, particularly when the door closing speed is not desired to be too slow and a spring with larger acting force has to be selected, the problem of large impact force particularly exists when the door is closed, in addition, the movement speed of the door is very high due to the inertia effect during the door closing, people often have no time to avoid, the hands are easy to be clamped, and meanwhile, larger impact sound is generated at the moment of door closing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a buffer subassembly structure has solved the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a buffer component structure, includes the base and sets up connecting axle, elasticity roof pressure mechanism and buffer gear in the base, be equipped with first eccentric cam and second eccentric cam on the connecting axle, first eccentric cam and elasticity roof pressure mechanism butt, and the first eccentric cam goes up and has seted up the spacing groove along the axial, and has seted up the guide way along circumference, the guide way with the spacing groove intercommunication, second eccentric cam and buffer gear butt, and the protruding position of second eccentric cam with the spacing groove is same direction line.

Further, be equipped with first holding chamber along transversely in the base, vertically be equipped with second holding chamber, third holding chamber along, second holding chamber, third holding chamber intercommunication first holding chamber, the connecting axle rotates and sets up at first holding intracavity, and one end runs through the base, elasticity roof pressure mechanism install in second holding intracavity, buffer gear install in third holding intracavity.

Furthermore, the elastic jacking mechanism comprises a pressure spring, a first jacking member and a first linear bearing, one end of the first jacking member is abutted against the pressure spring, the other end of the first jacking member is abutted against the first eccentric cam through a first ball, the first ball slides on the guide groove in a matched manner, and the first linear bearing is sleeved on the first jacking member.

Furthermore, the buffer mechanism comprises a damper, a second jacking member and a second linear bearing, one end of the second jacking member is abutted with the movable end of the damper, the other end of the second jacking member is abutted with the second eccentric cam through a second ball, and the second linear bearing is sleeved on the second jacking member.

Furthermore, the guide groove is symmetrically provided with positioning grooves along the axis of the first eccentric cam.

Furthermore, two ends of the first accommodating cavity are provided with plane bearings, and the plane bearings are sleeved on the connecting shaft.

Furthermore, a first adjusting nut used for adjusting the elastic force of the elastic jacking mechanism is connected in a threaded manner in the second accommodating cavity, and a second adjusting nut used for adjusting the damping force of the buffer mechanism is connected in a threaded manner in the third accommodating cavity.

Furthermore, one end of the connecting shaft extends to the outside of the base to form an extending part, one end of the first accommodating cavity, which is far away from the extending part, is embedded with an installation cover, and the connecting shaft is rotatably connected with the installation cover through a plane bearing.

Further, the base is provided with at least 2 mounting holes.

Compared with the prior art, the beneficial effects of the utility model are that: compare traditional door closer not only increased the buffering effect, can not produce the impact sound in the door closing moment, compare other buffers structures that have interior oil circuit moreover simpler, have the installation of being convenient for, dismantle and maintenance and easily processed's advantage.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the present invention.

Fig. 3 is a schematic sectional view of the base of the present invention.

Fig. 4 is a schematic structural view of the middle connecting shaft of the present invention.

Fig. 5 is an exploded view of the elastic pressing mechanism of the present invention.

Fig. 6 is an exploded view of the buffering mechanism of the present invention.

In the figure: the device comprises a base 1, a first accommodating cavity 11, a second accommodating cavity 12, a third accommodating cavity 13, an installing hole 100, a connecting shaft 2, a first eccentric cam 21, a limiting groove 211, a guide groove 212, a positioning groove 213, a second eccentric cam 22, an elastic jacking mechanism 3, a pressure spring 31, a first jacking piece 32, a first linear bearing 33, a first ball 34, a buffer mechanism 4, a damper 41, a second jacking piece 42, a second linear bearing 43, a second ball 44, a plane bearing 5, a first adjusting nut 6, a second adjusting nut 7 and an installing cover 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 6, the buffer assembly structure includes a base 1, and a connecting shaft 2, an elastic pressing mechanism 3, and a buffering mechanism 4 which are disposed in the base 1, wherein a first eccentric cam 21 and a second eccentric cam 22 are disposed on the connecting shaft 2, the first eccentric cam 21 abuts against the elastic pressing mechanism 3, a limit groove 211 is axially disposed on the first eccentric cam 21, a guide groove 212 is circumferentially disposed on the first eccentric cam 21, the guide groove 212 is communicated with the limit groove 211, the second eccentric cam 22 abuts against the buffering mechanism 4, a protruding position of the second eccentric cam 22 and the limit groove 211 are in the same direction, and the first eccentric cam 21 is circumferentially disposed with the guide groove 212, so that a first ball 34 on the elastic pressing mechanism 3 can slide in the guide groove 212, and the connecting shaft 2 can rotate more smoothly.

In this embodiment, a first accommodating cavity 11 is transversely arranged in the base 1, a second accommodating cavity 12 and a third accommodating cavity 13 are longitudinally arranged in the base 1, the second accommodating cavity 12 and the third accommodating cavity 13 are communicated with the first accommodating cavity 11, the connecting shaft 2 is rotatably arranged in the first accommodating cavity 11, one end of the connecting shaft penetrates through the base 1, the elastic jacking mechanism 3 is arranged in the second accommodating cavity 12, and the buffer mechanism 4 is arranged in the third accommodating cavity 13.

In this embodiment, the elastic pressing mechanism 3 includes a pressure spring 31, a first pressing member 32 and a first linear bearing 33, one end of the first pressing member 32 abuts against the pressure spring 31, the other end of the first pressing member abuts against the first eccentric cam 21 through a first ball 34, the first ball 34 slides on the guide groove 212 in a matching manner, and the first linear bearing 33 is sleeved on the first pressing member 32.

In this embodiment, the buffering mechanism 4 includes a damper 41, a second pressing member 42 and a second linear bearing 43, one end of the second pressing member 42 abuts against the movable end of the damper 41, the other end of the second pressing member abuts against the second eccentric cam 22 through a second ball 44, and the second linear bearing 43 is sleeved on the second pressing member 42.

In this embodiment, the positioning grooves 213 are symmetrically disposed on the guide groove 212 along the axial center of the first eccentric cam 21.

In this embodiment, two ends of the first accommodating cavity 11 are provided with the plane bearings 5, and the plane bearings 5 are sleeved on the connecting shaft 2.

In this embodiment, a first adjusting nut 6 for adjusting the elastic force of the elastic jacking mechanism 3 is screwed in the second accommodating cavity 12, and a second adjusting nut 7 for adjusting the damping force of the buffer mechanism 4 is screwed in the third accommodating cavity 13.

In this embodiment, one end of the connecting shaft 2 extends to the outside of the base 1 to form an extending portion, one end of the first accommodating cavity 11, which is far away from the extending portion, is embedded with the mounting cover 8, and the connecting shaft 2 is rotatably connected with the mounting cover 8 through the flat bearing 5.

In this embodiment, the base 1 is provided with at least 2 mounting holes 100.

As above, the elastic pressing mechanism 3 in the second accommodating cavity 12 compresses and stores energy when the connecting shaft 2 rotates clockwise or counterclockwise, the first ball 34 of the elastic pressing mechanism 3 leaves the limiting groove 211 of the first eccentric cam 21 and slides on the guide groove 212, when the first ball 34 slides to the positioning groove 213, the compressed and stored energy of the pressure spring 31 reaches the highest value, and meanwhile, the connecting shaft is matched with the buffer mechanism 4 through the second eccentric cam 22, and the buffer effect is realized by the buffer mechanism 4 abutting against the second eccentric cam 22.

When the connecting shaft 2 is returned in the opposite direction, the first ball 34 leaves the positioning groove 213 and slides on the guide groove 212, and when the first ball 34 returns to the limiting groove 211 in a sliding manner, the elastic jacking mechanism 3 releases the compressed energy storage to push the connecting shaft 2 to return to the initial position, and the buffering effect is realized through the convex position of the second eccentric cam 22 and the buffering mechanism 4.

When the utility model discloses when being applied to on the door closer, compare traditional door closer and not only increased buffering effect, can not produce the impact sound in the twinkling of an eye at the door closer, compare other buffers structures that have interior oil circuit moreover simpler, have the installation of being convenient for, dismantle and maintenance and easily processing's advantage.

Except using in the door body buffer field, the utility model discloses still can use other fields to need to realize buffer function structurally.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A bumper assembly structure characterized by: including base (1) and connecting axle (2), elasticity roof pressure mechanism (3) and buffer gear (4) of setting in base (1), be equipped with first eccentric cam (21) and second eccentric cam (22) on connecting axle (2), first eccentric cam (21) and elasticity roof pressure mechanism (3) butt, and have seted up spacing groove (211) along the axial on first eccentric cam (21), and have seted up guide way (212) along circumference, guide way (212) with spacing groove (211) intercommunication, second eccentric cam (22) and buffer gear (4) butt, and the protruding position of second eccentric cam (22) with spacing groove (211) are same direction line.

2. A draft gear assembly structure, according to claim 1, wherein: the base is characterized in that a first accommodating cavity (11) is transversely arranged in the base (1), a second accommodating cavity (12) and a third accommodating cavity (13) are longitudinally arranged in the base, the second accommodating cavity (12) and the third accommodating cavity (13) are communicated with the first accommodating cavity (11), the connecting shaft (2) is rotatably arranged in the first accommodating cavity (11), one end of the connecting shaft penetrates through the base (1), the elastic jacking mechanism (3) is installed in the second accommodating cavity (12), and the buffer mechanism (4) is installed in the third accommodating cavity (13).

3. A draft gear assembly structure, according to claim 1, wherein: the elastic jacking mechanism (3) comprises a pressure spring (31), a first jacking part (32) and a first straight line bearing (33), one end of the first jacking part (32) is abutted to the pressure spring (31), the other end of the first jacking part is abutted to the first eccentric cam (21) through a first round ball (34), the first round ball (34) slides in a matched manner on the guide groove (212), and the first straight line bearing (33) is sleeved on the first jacking part (32).

4. A draft gear assembly structure, according to claim 1, wherein: the buffer mechanism (4) comprises a damper (41), a second jacking part (42) and a second linear bearing (43), one end of the second jacking part (42) is abutted to the movable end of the damper (41), the other end of the second jacking part is abutted to the second eccentric cam (22) through a second ball (44), and the second linear bearing (43) is sleeved on the second jacking part (42).

5. A draft gear assembly structure, according to claim 1, wherein: positioning grooves (213) are symmetrically arranged on the guide groove (212) along the axis of the first eccentric cam (21).

6. A draft gear assembly structure, according to claim 2, wherein: and two ends in the first accommodating cavity (11) are respectively provided with a plane bearing (5), and the plane bearings (5) are sleeved on the connecting shaft (2).

7. A draft gear assembly structure, according to claim 2, wherein: a first adjusting nut (6) used for adjusting the elastic force of the elastic jacking mechanism (3) is screwed in the second accommodating cavity (12), and a second adjusting nut (7) used for adjusting the damping force of the buffer mechanism (4) is screwed in the third accommodating cavity (13).

8. A draft gear assembly structure, according to claim 6, wherein: one end of the connecting shaft (2) extends to the outside of the base (1) to form an extending part, one end of the first accommodating cavity (11) far away from the extending part is embedded with an installation cover (8), and the connecting shaft (2) is rotatably connected with the installation cover (8) through a plane bearing (5).

9. A draft gear assembly structure, according to claim 1, wherein: the base (1) is provided with at least 2 mounting holes (100).