阅读说明：本技术 一种单向旋转阻尼器 (Unidirectional rotation damper ) 是由 李为民 于 2020-07-27 设计创作，主要内容包括：本发明涉及一种单向旋转阻尼器,包括外接轴(1)、弹簧(2)和外壳(6),所述的外壳(6)的一端横向连接有外接轴(1),其内侧横向布置有主轴(5),该外壳(6)与主轴(5)之间形成的缝隙空间(7)中充满阻尼油,所述的主轴(5)一端外侧紧贴其侧壁螺旋缠绕有弹簧(2),所述的弹簧(2)两端各自引出弹簧衔接头(8),其中一个弹簧衔接头(8)与外接轴(1)相连。本发明结构简单,通过外接轴正向跟逆向旋转,使得主轴产生不同的阻尼效果,从而间接影响外接轴的阻尼作用。(The invention relates to a unidirectional rotation damper, which comprises an external shaft (1), a spring (2) and a shell (6), wherein one end of the shell (6) is transversely connected with the external shaft (1), a main shaft (5) is transversely arranged on the inner side of the external shaft, damping oil is filled in a gap space (7) formed between the shell (6) and the main shaft (5), the spring (2) is spirally wound on the outer side of one end of the main shaft (5) and clings to the side wall of the main shaft, spring joint heads (8) are respectively led out from two ends of the spring (2), and one of the spring joint heads (8) is connected with the external shaft (1). The invention has simple structure, and the spindle can generate different damping effects by the positive and reverse rotation of the external shaft, thereby indirectly influencing the damping effect of the external shaft.)

1. The utility model provides a unidirectional rotation damper, includes external shaft (1), spring (2) and shell (6), its characterized in that: one end transverse connection of shell (6) have external spindle (1), its inboard transverse arrangement has main shaft (5), is full of damping oil in gap space (7) that forms between this shell (6) and main shaft (5), main shaft (5) one end outside hug closely its lateral wall spiral winding and have spring (2), spring (2) both ends draw forth spring joint head (8) respectively, one of them spring joint head (8) link to each other with external spindle (1).

2. A unidirectional rotation damper as claimed in claim 1, wherein: one side of the external shaft (1) is provided with a transverse clamping groove (11), and a spring joint head (8) extends out of the clamping groove (11).

3. A unidirectional rotation damper as claimed in claim 1, wherein: the gap space (7) is positioned at the other end of the main shaft (5) far away from the spring (2), and the main shaft (5) is sleeved with the sealing ring (4) and the check ring (3).

4. A unidirectional rotation damper as claimed in claim 3, wherein: the sealing ring (4) and the retainer ring (3) are arranged side by side and tightly attached to the outer side wall of the main shaft (5).

5. A unidirectional rotation damper as claimed in claim 1, wherein: the main shaft (5) is sleeved with a gasket (9) close to the outer connecting shaft (1), and the outer connecting shaft (1) is sleeved with a clamp spring (10).

Technical Field

The invention relates to the field of mechanical parts, in particular to a unidirectional rotation damper.

Background

The rotary damper enables the product to obtain gentle mechanical movement in the rotating process, so that the quality and the service life of the product are improved. The torque of the rotary damper changes to a certain degree according to the changes of the rotation speed and the temperature environment. However, the existing rotary damper has a single structure and a single function, and cannot meet the existing industrial requirements.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a unidirectional rotation damper which is simple in structure, and different damping effects are generated by a main shaft through forward and reverse rotation of an external shaft, so that the damping effect of the external shaft is indirectly influenced.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a unidirectional rotation damper, includes external shaft, spring and shell, the one end transverse connection of shell have the external shaft, its inboard transverse arrangement has the main shaft, is full of damping oil in the gap space that forms between this shell and the main shaft, main shaft one end outside hug closely its lateral wall spiral winding and have the spring, the spring both ends draw forth spring joint head separately, one of them spring joint head links to each other with the external shaft.

As a supplement to the unidirectional rotation damper, one side of the external shaft is provided with a transverse clamping groove, and a spring joint is arranged in the clamping groove in a protruding mode.

As a supplement to the unidirectional rotation damper, the gap space is positioned at the other end of the main shaft, which is far away from the spring, and the main shaft is sleeved with the sealing ring and the check ring to play a role in sealing, so that damping oil is in the gap space.

As a supplement to the unidirectional rotation damper, the sealing ring and the retainer ring are arranged side by side and closely attached to the outer side wall of the main shaft.

As a supplement of the unidirectional rotation damper, a gasket is sleeved at the position, close to the external shaft, of the main shaft, and a clamp spring is sleeved at the position, close to the external shaft, of the main shaft.

Advantageous effects

The invention relates to a unidirectional rotation damper which is simple in structure, when an external shaft rotates in a forward direction, a spring is driven to bite a main shaft, the main shaft is driven to rotate together, damping oil generates a damping effect on the main shaft, and therefore the damping effect is output to the external shaft; when the external shaft rotates reversely, the spring cannot bite the main shaft, and damping oil influences the main shaft, so that damping is not output to the external shaft.

Drawings

FIG. 1 is a front cross-sectional block diagram of the present invention;

FIG. 2 is a block diagram of the present invention with the housing removed;

fig. 3 is a partial structural view of the spring of the present invention.

1. An external shaft; 2. a spring; 3. a retainer ring; 4. a seal ring; 5. a main shaft; 6. a housing; 7. a gap space; 8. a spring adapter; 9. a gasket; 10. and a clamp spring.

Detailed Description

The present invention is described in detail below with reference to specific embodiments so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making more explicit definitions of the scope of protection of the present invention. In addition, the following embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and to implement the same, and not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

As shown in fig. 1 to 3, the embodiment of the present invention relates to a unidirectional rotation damper, which comprises an external shaft 1, a spring 2 and a housing 6, wherein one end of the housing 6 is transversely connected with the external shaft 1, the inner side of the housing is transversely provided with a main shaft 5, a gap space 7 formed between the housing 6 and the main shaft 5 is filled with damping oil, the outer side of one end of the main shaft 5 is spirally wound with the spring 2 by clinging to the side wall thereof, two ends of the spring 2 are respectively led out of a spring joint 8, and one of the spring joints 8 is connected with the external shaft 1.

One side of the external shaft 1 is provided with a transverse clamping groove 11, and a spring joint 8 extends out of the clamping groove 11.

The gap space 7 is positioned at the other end of the main shaft 5 far away from the spring 2, and the main shaft 5 is sleeved with the sealing ring 4 and the check ring 3.

The sealing ring 4 and the retainer ring 3 are arranged side by side and tightly attached to the outer side wall of the main shaft 5.

The main shaft 5 is sleeved with a gasket 9 near the external shaft 1, and the external shaft 1 is sleeved with a clamp spring 10.