CN216476860U - Novel two-stage force buffering hinge - Google Patents
Novel two-stage force buffering hinge Download PDFInfo
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- CN216476860U CN216476860U CN202122675857.1U CN202122675857U CN216476860U CN 216476860 U CN216476860 U CN 216476860U CN 202122675857 U CN202122675857 U CN 202122675857U CN 216476860 U CN216476860 U CN 216476860U
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- rocker arm
- hinge
- double
- torsion spring
- protective sleeve
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Abstract
The utility model discloses a novel two-stage force buffering hinge which comprises a hinge main body and a hinge cup, wherein the hinge main body is arranged on the inner wall surface of a frame body; the hinge main body comprises a connecting arm, an outer rocker arm and an inner rocker arm; the hinge main body further comprises a protective sleeve and a double torsion spring, and the protective sleeve is rotatably arranged on the inner rocker arm through a rotating shaft; the double-torsion spring sleeve is arranged on the outer pin shaft, the middle torsion bar of the double-torsion spring is abutted against the protective sleeve, the side torsion bar of the double-torsion spring is abutted against the inner side wall of the outer rocker arm, when the double-torsion spring is compressed under stress, the middle torsion bar of the double-torsion spring can drive the protective sleeve to roll, the middle torsion bar of the double-torsion spring and the inner rocker arm slide relatively, the middle torsion bar of the double-torsion spring and the inner rocker arm are prevented from directly contacting and sliding, the double-torsion spring moves through rolling friction of the protective sleeve, abrasion of the double-torsion spring is effectively reduced, and the service life is prolonged.
Description
Technical Field
The utility model relates to the field of hinges, in particular to a novel two-stage force buffering hinge.
Background
A hinge is a common member for connecting two objects to each other so as to be relatively rotatably coupled to each other, and generally, such a hinge is constituted by a cup-shaped member (hinge cup) attached to a door and a hinge body attached to the cup-shaped member via a folded link member (or arm member), the hinge body being attached to an inner wall surface of a housing for accommodating the objects such as furniture, and the link member being fitted into the cup-shaped member in a closed state of the door.
The traditional hinge has no buffer force when being opened or closed, the connection between the cabinet door and the cabinet is easy to damage, and a mode of adding a hydraulic cylinder in the hinge is designed later, so that the hinge has preliminary buffer force, which is called a section of force connection structure; one section power connection structure has the shortcoming promptly when the cabinet door is opened to the end, can produce the back pendulum of going back many times, uses for a long time to destroy the connection between cabinet door and the cupboard equally easily.
Accordingly, the applicant filed patent No. 2020229960876, which is a two-stage force buffering hinge, comprising a hinge body mounted on the inner wall surface of a frame body and a hinge cup mounted on a cabinet door; the hinge main body comprises a connecting arm, an outer rocker arm, an inner rocker arm and a torsion spring; the torsion spring is sleeved on the outer pin shaft, a first torsion bar of the torsion spring abuts against the inner pin shaft, and a second torsion bar of the torsion spring abuts against a lower connecting rod of the U-shaped pin shaft; the end part of the outer rocker arm close to the hinge cup is provided with a boss, the boss is far away from the lower connecting rod of the U-shaped pin shaft, the boss is provided with a notch matched with the second torsion bar, so that the torsion of the torsion spring is not required to be overcome when the hinge cup is opened to the full opening area after the cabinet door is opened to 85 degrees, the strong impact of the door in the opening direction is reduced, the situation that the cabinet door swings back and forth for multiple times is avoided when the cabinet door is opened to the end, and the collision of the joint between the cabinet door and the cabinet is avoided.
However, in the moving process of the two-section force buffering hinge, the torsion spring and the inner pin shaft can slide and rub with each other, and the service life of the torsion spring is shortened.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a novel two-stage force buffering hinge.
In order to achieve the purpose, the utility model provides the following technical scheme:
a novel two-stage force buffering hinge comprises a hinge main body arranged on the inner wall surface of a frame body and a hinge cup arranged on a cabinet door;
the hinge main body comprises a connecting arm, an outer rocker arm and an inner rocker arm; the inner rocker arm is rotatably arranged on the connecting arm through an inner pin shaft, one end part of the inner rocker arm is provided with a buffer damper, and the other end part of the inner rocker arm is hinged with the hinge cup through an upper connecting rod of a U-shaped pin shaft;
one end of the outer rocker arm is hinged with the connecting arm through an outer pin shaft, and the other end of the outer rocker arm is hinged with the hinge cup through a lower connecting rod of the U-shaped pin shaft;
the hinge main body further comprises a protective sleeve and a double torsion spring, and the protective sleeve is rotatably arranged on the inner rocker arm through a rotating shaft;
the double-torsion spring is sleeved on the outer pin shaft, a middle torsion bar of the double-torsion spring is abutted against the protective sleeve, and a side torsion bar of the double-torsion spring is abutted against the inner side wall of the outer rocker arm.
The utility model further provides that: one end face of the outward rocker arm of the connecting arm is provided with a protection protruding portion, and the protection protruding portion upwards tilts towards one end portion of the outward pin shaft.
The utility model further provides that: the outer rocker arm comprises a left side plate and a right side plate, a plurality of stacked lamination sheets which are stacked mutually are arranged between the left side plate and the right side plate, the protective sleeve is sleeved on the rotating shaft, one end part of the rotating shaft is fixed on the left side plate, and the other end part of the rotating shaft is fixed on the right side plate.
The utility model further provides that: the buffer damper comprises a damping shell, a piston rod and a piston, wherein the damping shell is provided with a top hole and a pressure cavity for filling damping oil, one end part of the piston rod penetrates through the top hole of the damping shell and is arranged in the pressure cavity to be connected with the piston, and the other end part of the piston rod is arranged outside the damping shell and is connected with the inner rocker arm;
a sealing upper cover is arranged at the top hole and is provided with a piston rod to seal the pressure cavity;
wherein the piston divides the pressure chamber into last pressure chamber and lower pressure chamber, is provided with pre-compaction spring in lower pressure chamber, pre-compaction spring's one end supports and leans on the piston, and another tip supports and leans on the interior diapire of damping shell.
The utility model further sets up: and a lower mounting seat is arranged on the inner bottom wall of the damping shell, and a mounting groove for mounting the pre-pressing spring is formed in the lower mounting seat.
The utility model further provides that: the lower mounting seat is provided with a guide groove matched with the piston, and the mounting groove is formed in the bottom wall of the guide groove.
The utility model has the beneficial effects that: in the moving process of the two-section force buffering hinge, the middle torsion bar of the double torsion spring always abuts against the protective sleeve, when the double torsion spring is stressed and compressed, the middle torsion bar of the double torsion spring can drive the protective sleeve to roll, so that the middle torsion bar and the inner rocker arm of the double torsion spring slide relatively, the middle torsion bar of the double torsion spring is prevented from directly contacting and sliding with the inner rocker arm, the double torsion spring moves through rolling friction of the protective sleeve, the abrasion of the double torsion spring is effectively reduced, and the service life is prolonged.
Drawings
FIG. 1 is a first schematic structural view of a novel two-stage force buffering hinge according to the present invention;
FIG. 2 is a schematic structural view of a novel two-stage force buffering hinge of the present invention;
FIG. 3 is a schematic view of the installation structure of the double torsion spring and the inner and outer rocker arms
FIG. 4 is a schematic view of the mounting structure of the inner rocker arm and the protective sleeve;
FIG. 5 is a schematic structural view of a double torsion spring;
FIG. 6 is a schematic view of a cushion damper;
FIG. 7 is a schematic structural view of the cushion damper with the damping shell removed;
FIG. 8 is a schematic structural view of a damping housing;
FIG. 9 is a schematic structural view of the lower mount;
description of reference numerals: 1. a hinge body; 11. a connecting arm; 111. a protection boss; 12. an outer rocker arm; 13. an inner rocker arm; 131. a left side plate; 132. a right side plate; 133. a laminate sheet; 14. an inner pin shaft; 15. a U-shaped pin shaft; 16. an outer pin shaft; 17. a protective sleeve 18, a double torsion spring; 181. a middle torsion bar; 182. a side torsion bar; 19. a rotating shaft; 2. a hinge cup; 3. a buffer damper; 31. a damping shell; 311. a top hole; 312. a pressure chamber; 32. a piston rod; 33. a piston; 34. sealing the upper cover; 35. pre-pressing a spring; 36. a lower mounting seat; 361. installing a groove; 362. and a guide groove.
Detailed Description
A novel two-stage force absorbing hinge of the present invention is described in further detail with reference to fig. 1 to 9.
As can be seen from fig. 1 and 2, the novel two-stage force buffering hinge comprises a hinge body 1 mounted on the inner wall surface of a frame body and a hinge cup 2 mounted on a cabinet door; the hinge main body 1 comprises a connecting arm 11, an outer rocker arm 12 and an inner rocker arm 13; the inner rocker arm 13 is rotatably arranged on the connecting arm 11 through an inner pin shaft 14, one end part of the inner rocker arm 13 is provided with a buffer damper 3, and the other end part is hinged with the hinge cup 2 through an upper connecting rod of a U-shaped pin shaft 15; one end of the outer rocker arm 12 is hinged with the connecting arm 11 through an outer pin shaft 16, and the other end of the outer rocker arm 12 is hinged with the hinge cup 2 through a lower connecting rod of a U-shaped pin shaft 15;
as can be seen from fig. 3 and 4, the hinge body 1 further includes a protective sleeve 17 and a double torsion spring 18, wherein the protective sleeve 17 is rotatably disposed on the inner rocker arm 13 through a rotating shaft 19; the double torsion springs 18 are sleeved on the outer pin 16, the middle torsion bars 181 of the double torsion springs 18 abut against the protective sleeves 17, and the side torsion bars 182 of the double torsion springs 18 abut against the inner side walls of the outer rocker arms 12, so that the middle torsion bars 181 of the double torsion springs 18 always abut against the protective sleeves 17 in the moving process of the two-stage force buffering hinge, when the double torsion springs 18 are compressed under a force, the middle torsion bars 181 of the double torsion springs 18 can drive the protective sleeves 17 to roll, so that the middle torsion bars 181 of the double torsion springs 18 and the inner rocker arms 13 slide relatively, the middle torsion bars 181 of the double torsion springs 18 and the inner rocker arms 13 are prevented from directly contacting and sliding, the double torsion springs 18 move through rolling friction of the protective sleeves 17, abrasion of the double torsion springs 18 is effectively reduced, and the service life is prolonged.
Wherein a terminal surface of the outward rocker arm 12 of the connecting arm 11 is provided with a protection protruding portion 111, the protection protruding portion 111 upwards tilts towards one end portion of the outward pin shaft 16, so that the protection protruding portion 111 and the outward pin shaft 16 form a larger installation space of the double torsion springs 18, the outward pin shaft 16 can have a larger diameter of the double torsion springs 18, and the service life of the double torsion springs 18 is prolonged.
The inner rocker arm 13 comprises a left side plate 131 and a right side plate 132, a plurality of stacked lamination sheets 133 which are stacked mutually are arranged between the left side plate 131 and the right side plate 132, the strength of the outer rocker arm 12 can be effectively improved, so that the outer rocker arm 12 is effectively prevented from deforming in the using process, the protective sleeve 17 is sleeved on the rotating shaft 19, one end part of the rotating shaft 19 is fixed on the left side plate 131, the other end part of the rotating shaft 19 is fixed on the right side plate 132, and the protective sleeve 17 is convenient to mount.
As can be seen from fig. 6 to 9, the cushion damper 3 includes a damping shell 31, a piston rod 32 and a piston 33, the damping shell 31 is opened with a top hole 311 and a pressure chamber 312 for filling damping oil, one end of the piston rod 32 passes through the top hole 311 of the damping shell 31 and is disposed in the pressure chamber 312 to be connected with the piston 33, and the other end is disposed outside the damping shell 31 to be connected with the inner rocker arm 13; a sealing upper cover 34 is arranged at the top hole 311, and the sealing upper cover 34 is arranged on the piston rod 32 to seal the pressure cavity 312; wherein the piston 33 divides the pressure chamber 312 into an upper pressure chamber 312 and a lower pressure chamber 312, a pre-pressure spring 35 is arranged in the lower pressure chamber 312, one end of the pre-pressure spring 35 abuts against the piston 33, and the other end abuts against the inner bottom wall of the damping shell 31.
Wherein set up down mount pad 36 on the interior diapire of damping shell 31, mount pad 36 offers the mounting groove 361 that is used for installing pre-compaction spring 35 down, is convenient for install pre-compaction spring 35, also effectively avoids pre-compaction spring 35 to take place the slope in compression process simultaneously. The lower mounting seat 36 is provided with a guide groove 362 matched with the piston 33, the mounting groove 361 is arranged on the bottom wall of the guide groove 362, and the guide groove 362 plays a role in guiding and guiding the piston 33 when moving close to the bottom of the damping shell 31.
Therefore, according to the utility model, the pre-pressing spring 35 is arranged in the lower pressure chamber 312, one end part of the pre-pressing spring 35 is abutted against the piston 33, the other end part of the pre-pressing spring 35 is abutted against the inner bottom wall of the damping shell 31, when the piston 33 is about to reach the bottom of the damping shell 31, the pre-pressing spring 35 is compressed, so that the piston 33 cannot reach the bottom of the damping shell 31, and the phenomenon that the damper fails due to the fact that the piston 33 rushes out an effective stroke is avoided, therefore, when the hinge is opened and closed at a small angle, the piston 33 is pulled out outwards, the damping failure problem cannot occur, and the pre-pressing spring 35 has reverse action, so that the piston 33 has certain resilience and resetting capability, and the damping effect of the damper is improved.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (6)
1. A novel two-stage force buffering hinge comprises a hinge main body arranged on the inner wall surface of a frame body and a hinge cup arranged on a cabinet door;
the hinge main body comprises a connecting arm, an outer rocker arm and an inner rocker arm; the inner rocker arm is rotatably arranged on the connecting arm through an inner pin shaft, one end part of the inner rocker arm is provided with a buffer damper, and the other end part of the inner rocker arm is hinged with the hinge cup through an upper connecting rod of a U-shaped pin shaft;
one end of the outer rocker arm is hinged with the connecting arm through an outer pin shaft, and the other end of the outer rocker arm is hinged with the hinge cup through a lower connecting rod of the U-shaped pin shaft;
the method is characterized in that: the hinge main body further comprises a protective sleeve and a double torsion spring, and the protective sleeve is rotatably arranged on the inner rocker arm through a rotating shaft;
the double-torsion spring is sleeved on the outer pin shaft, a middle torsion bar of the double-torsion spring is abutted against the protective sleeve, and a side torsion bar of the double-torsion spring is abutted against the inner side wall of the outer rocker arm.
2. The novel two-stage force-absorbing hinge as claimed in claim 1, wherein: one end face of the outward rocker arm of the connecting arm is provided with a protection protruding portion, and the protection protruding portion upwards tilts towards one end portion of the outward pin shaft.
3. The novel two-stage force buffering hinge as claimed in claim 1 or 2, wherein: the outer rocker arm comprises a left side plate and a right side plate, a plurality of stacked lamination sheets which are stacked mutually are arranged between the left side plate and the right side plate, the protective sleeve is sleeved on the rotating shaft, one end part of the rotating shaft is fixed on the left side plate, and the other end part of the rotating shaft is fixed on the right side plate.
4. The novel two-stage force-absorbing hinge as claimed in claim 1, wherein: the buffer damper comprises a damping shell, a piston rod and a piston, wherein the damping shell is provided with a top hole and a pressure cavity for filling damping oil, one end part of the piston rod penetrates through the top hole of the damping shell and is arranged in the pressure cavity to be connected with the piston, and the other end part of the piston rod is arranged outside the damping shell and is connected with the inner rocker arm;
a sealing upper cover is arranged at the top hole and is provided with a piston rod to seal the pressure cavity;
wherein the piston divides the pressure chamber into last pressure chamber and lower pressure chamber, is provided with pre-compaction spring in lower pressure chamber, pre-compaction spring's one end supports and leans on the piston, and another tip supports and leans on the interior diapire of damping shell.
5. The novel two-stage force damping hinge of claim 4, wherein: and a lower mounting seat is arranged on the inner bottom wall of the damping shell, and a mounting groove for mounting the pre-pressing spring is formed in the lower mounting seat.
6. The novel two-stage force damping hinge of claim 5, wherein: the lower mounting seat is provided with a guide groove matched with the piston, and the mounting groove is formed in the bottom wall of the guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122675857.1U CN216476860U (en) | 2021-11-03 | 2021-11-03 | Novel two-stage force buffering hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122675857.1U CN216476860U (en) | 2021-11-03 | 2021-11-03 | Novel two-stage force buffering hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216476860U true CN216476860U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122675857.1U Active CN216476860U (en) | 2021-11-03 | 2021-11-03 | Novel two-stage force buffering hinge |
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| Country | Link |
|---|---|
| CN (1) | CN216476860U (en) |
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2021
- 2021-11-03 CN CN202122675857.1U patent/CN216476860U/en active Active
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