CN216519024U - Trinity connecting piece with shock-absorbing structure - Google Patents

Abstract

The utility model discloses a three-in-one connecting piece with a damping structure, which relates to the technical field of furniture assembly and comprises a bolt, a limiting sleeve, an embedded bolt and an eccentric nut, wherein the limiting sleeve is fixedly sleeved outside the bolt, the embedded bolt is connected with the bottom end of the bolt in a threaded manner, a plate extrudes the buffer sleeve, so that a piston can compress gas in a movable cavity in the downward sliding process of the buffer sleeve, a push block is pushed by high pressure to move along an adjusting cavity, the top end of a conical head is abutted against the top of a pre-tightening hole, the position change of the plate can be blocked by the tip of the conical head, the swinging and the vibration between connected plates can be avoided, the joint of the plate is always in a stable state, and after the bolt is connected with the eccentric nut, a limiting ring can form a pre-tightening force between the eccentric nut and the bolt by means of the elasticity of a buffer spring, the situation that the bolt and the eccentric nut are disassembled in the vibration process is avoided.

Description

Trinity connecting piece with shock-absorbing structure

Technical Field

The utility model relates to the technical field of furniture assembly, in particular to a three-in-one connecting piece with a damping structure.

Background

The trinity connecting piece is also known as fastener or combiner, comprises eccentric wheel, pole, micelle, mainly used panel furniture's connecting piece, trinity connecting piece, two unifications, four unifications and other connecting pieces in addition, because the most common that this kind of usefulness of trinity, so domestic trinity connecting piece has just become the name of eccentric connecting piece, and the trinity connecting piece is also known as eccentric connecting piece, comprises eccentric wheel, pole, embedded nut, mainly used panel furniture's connecting piece.

But locking is realized through the structure of buckle to the trinity connecting piece that uses at present, and panel leads to the connecting piece to take place not hard up after rocking easily to lead to the great gap to appear in cabinet body panel junction, the condition of disintegration appears even, and in addition, plate-type anchor clamps are in daily use, and the cabinet body has not avoided appearing the vibrations condition, takes place the separation phenomenon easily between the eccentric wheel of trinity connecting piece and the screw rod, and then leads to appearing not hard up the condition between the cabinet body panel.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a three-in-one connecting piece with a damping structure, which solves the problems that the locking of the three-in-one connecting piece in use at present is realized through a buckle structure, and the connecting piece is easy to loosen after a plate is shaken or vibrated in the long-time use process of the plate, so that a large gap is formed at the connecting part of the plates of a cabinet body, and even the plates are disassembled.

In order to realize the purpose, the utility model is realized by the following technical scheme: the utility model provides a trinity connecting piece with shock-absorbing structure, includes bolt, stop collar, pre-buried bolt and eccentric nut, the external fixation cover of bolt is equipped with the stop collar, and the bottom threaded connection of bolt has pre-buried bolt, and the top joint of bolt has eccentric nut, the top of eccentric nut is provided with damper, the outer wall of bolt slides the cover and is equipped with the spacing ring, the fixed a plurality of buffer spring that are provided with between spacing ring and the bolt.

Damping component includes the cushion collar, the activity chamber has been seted up to the inside of cushion collar, the inside sliding connection in activity chamber has the piston, the bottom intermediate position fixedly connected with actuating lever of piston, and the fixed a plurality of reset spring that are provided with in top of cushion collar, a plurality of regulation chambeies have been seted up at the top of cushion collar, the inside in regulation chamber all slides and is provided with the ejector pad, the fixed tapered head that is provided with in top of ejector pad.

Further, the bottom mounting of bolt is provided with the thread head, threaded groove has all been seted up with the inner wall to buried bolt's outer wall in advance, thread head threaded connection is in buried bolt's inside in advance.

Further, the driving rod is fixedly connected to the top of the eccentric nut.

Furthermore, the bottom end of the first return spring is fixedly connected to the upper surface of the piston, and the top end of the first return spring is fixedly connected with the top of the movable cavity.

Furthermore, the piston is in sealing sliding connection with the inner wall of the movable cavity.

Furthermore, a plurality of second return springs are arranged between the push block and the adjusting cavity.

Advantageous effects

The utility model provides a three-in-one connecting piece with a damping structure. Compared with the prior art, the method has the following beneficial effects:

1. a three-in-one connecting piece with a damping structure comprises a bolt, a limiting sleeve, an embedded bolt and an eccentric nut, wherein the limiting sleeve is fixedly sleeved outside the bolt, the embedded bolt is connected with the bottom end of the bolt in a threaded manner, the eccentric nut is clamped at the top end of the bolt, a damping assembly is arranged at the top of the eccentric nut, a limiting ring is sleeved on the outer wall of the bolt in a sliding manner, a plurality of buffer springs are fixedly arranged between the limiting ring and the bolt, when the connecting piece is used, the top of the buffer sleeve is abutted against the top of a pre-embedded hole of a plate, the plate extrudes the buffer sleeve in the shaking or vibrating process, so that a piston can compress gas in a movable cavity in the downward sliding process of the buffer sleeve, a push block is pushed by high pressure to move along an adjusting cavity, the top end of a conical head is abutted against the top of the pre-embedded hole, the position change of the plate can be blocked by the tip of the conical head, and the shaking and the vibration between the connected plates can be avoided, the joint of the plates is always in a stable state.

2. The utility model provides a trinity connecting piece with shock-absorbing structure, damper includes the cushion collar, movable chamber has been seted up to the inside of cushion collar, movable chamber's inside sliding connection has the piston, the bottom intermediate position fixedly connected with actuating lever of piston, and the fixed a plurality of reset spring that are provided with in top of cushion collar, a plurality of regulation chambeies have been seted up at the top of cushion collar, the inside in regulation chamber all slides and is provided with the ejector pad, the fixed tapered head that is provided with in top of ejector pad, the bolt is connected the back with eccentric nut, the spacing ring can make formation pretightning force between eccentric nut and the bolt with the help of buffer spring's elasticity, avoid vibrations in-process bolt and the eccentric nut condition of taking place to disintegrate.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic exploded perspective view of the present invention;

FIG. 3 is an enlarged view of part A of the present invention;

FIG. 4 is a schematic cross-sectional view of the present invention;

FIG. 5 is an enlarged view of part B of the present invention.

In the figure: 1. a bolt; 2. a limiting sleeve; 3. embedding bolts in advance; 4. an eccentric nut; 5. a shock absorbing assembly; 501. a buffer sleeve; 502. a movable cavity; 503. a piston; 504. a drive rod; 505. a first return spring; 506. an adjustment chamber; 507. a push block; 508. a conical head; 509. a second return spring; 6. a limiting ring; 7. a buffer spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a three-in-one connecting piece with a damping structure comprises a bolt 1, a limiting sleeve 2, an embedded bolt 3 and an eccentric nut 4, wherein the limiting sleeve 2 is fixedly sleeved outside the bolt 1, the embedded bolt 3 is connected with the bottom end of the bolt 1 in a threaded manner, the eccentric nut 4 is clamped at the top end of the bolt 1, a damping component 5 is arranged at the top of the eccentric nut 4, a limiting ring 6 is sleeved on the outer wall of the bolt 1 in a sliding manner, a plurality of buffer springs 7 are fixedly arranged between the limiting ring 6 and the bolt 1, the damping component 5 comprises a buffer sleeve 501, a movable cavity 502 is arranged inside the buffer sleeve 501, a piston 503 is connected inside the movable cavity 502 in a sliding manner, a driving rod 504 is fixedly connected at the middle position of the bottom of the piston 503, a plurality of first reset springs 505 are fixedly arranged at the top of the buffer sleeve 501, a plurality of adjusting cavities 506 are arranged at the top of the buffer sleeve 501, and a push block 507 is arranged inside the adjusting cavities 506 in a sliding manner, the fixed tapered head 508 that is provided with in top of ejector pad 507, the bottom mounting of bolt 1 is provided with the thread head, the thread groove has all been seted up with the inner wall to embedded bolt 3's outer wall, thread head threaded connection is in embedded bolt 3's inside, actuating lever 504 fixed connection is at the top of eccentric nut 4, the bottom fixed connection of first reset spring 505 is at the upper surface of piston 503, and the top and the activity chamber 502 top fixed connection of first reset spring 505, piston 503 is sealed sliding connection with activity chamber 502 inner wall, be provided with a plurality of second reset spring 509 between ejector pad 507 and the regulation chamber 506.

When in use, a first pre-buried hole is firstly punched on two plates, then the pre-buried bolt 3 is screwed into the pre-buried hole, because the bottom of the bolt 1 is provided with a thread head, the inner part of the pre-buried bolt 3 is provided with an internal thread hole, then the bolt 1 is screwed into the inner part of the pre-buried bolt 3 by the thread head, then a second pre-buried hole arranged on a second plate is inserted into the bolt 1, then the eccentric nut 4 is inserted into the eccentric nut 4 through a communicating hole at the bottom of the second pre-buried hole, then the eccentric nut 4 is rotated to clamp the bolt 1, the two plates connected by the connecting piece extrude the buffer sleeve 501, so that the piston 503 can compress the gas in the movable cavity 502 in the downward sliding process of the buffer sleeve 501, the push block 507 is pushed by high pressure to move along the adjusting cavity 506, and the top end of the conical head 508 is propped against the top of the pre-buried hole, can hinder the position change of panel with the help of the pointed end of conical head to can play and avoid rocking and vibrations between the connection panel, make the panel junction be in stable state all the time, bolt 1 is connected the back with eccentric nut 4, and spacing ring 6 can make with the help of buffer spring 7's elasticity and form the pretightning force between eccentric nut 4 and the bolt 1, avoids shaking the in-process bolt 1 and the condition that eccentric nut 4 takes place to disintegrate.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a trinity connecting piece with shock-absorbing structure, includes bolt (1), stop collar (2), buried bolt (3) in advance and eccentric nut (4), the external fixation cover of bolt (1) is equipped with stop collar (2), and the bottom threaded connection of bolt (1) has buried bolt (3) in advance, and the top joint of bolt (1) has eccentric nut (4), its characterized in that: a damping component (5) is arranged at the top of the eccentric nut (4), a limiting ring (6) is slidably sleeved on the outer wall of the bolt (1), and a plurality of buffer springs (7) are fixedly arranged between the limiting ring (6) and the bolt (1);

damping component (5) are including cushion collar (501), movable chamber (502) have been seted up to the inside of cushion collar (501), the inside sliding connection in activity chamber (502) has piston (503), the bottom intermediate position fixedly connected with actuating lever (504) of piston (503), and the fixed a plurality of reset spring (505) that are provided with in top of cushion collar (501), a plurality of regulation chambeies (506) have been seted up at the top of cushion collar (501), the inside of adjusting chamber (506) all slides and is provided with ejector pad (507), the fixed tapered head (508) that are provided with in top of ejector pad (507).

2. The three-in-one connector with shock-absorbing structure as claimed in claim 1, wherein: the bottom mounting of bolt (1) is provided with the thread head, threaded groove has all been seted up with the inner wall to the outer wall of buried bolt (3) in advance, and thread head threaded connection is in the inside of buried bolt (3) in advance.

3. The three-in-one connector with shock-absorbing structure as claimed in claim 1, wherein: the driving rod (504) is fixedly connected to the top of the eccentric nut (4).

4. The three-in-one connector with shock-absorbing structure as claimed in claim 1, wherein: the bottom end of the first return spring (505) is fixedly connected to the upper surface of the piston (503), and the top end of the first return spring (505) is fixedly connected with the top of the movable cavity (502).

5. The three-in-one connector with shock-absorbing structure as claimed in claim 1, wherein: the piston (503) is connected with the inner wall of the movable cavity (502) in a sealing and sliding way.

6. The three-in-one connector with shock-absorbing structure as claimed in claim 1, wherein: a plurality of second return springs (509) are arranged between the push block (507) and the adjusting cavity (506).

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