阅读说明：本技术 一种新型旋转轴密封圈 (Novel rotary shaft sealing ring ) 是由 黄文锋 于 2021-01-18 设计创作，主要内容包括：一种新型旋转轴密封圈,它涉及旋转轴密封圈技术领域。所述的密封圈本体外形为圆形结构,所述的密封圈本体的中心设置有连接通孔,所述的连接通孔与密封圈本体的连接处形成有内壁,所述的密封圈本体的外周形成有外壁,所述的密封圈本体的一端面为安装端面,另一端为连接端面。本发明有益效果为：采用铁质材料一体式结构加工而成,可以保证在0～28MPa的高压力环境下使用不会出现润滑油外泄及尘土入侵现象,密封圈本体的内壁上设置有内壁槽,内壁槽上安装有双层组合式结构的内壁槽密封垫,密封圈本体的连接端面上设置有端面槽,端面槽上安装有端面槽密封垫,整体实用性强。(A novel rotating shaft sealing ring relates to the technical field of rotating shaft sealing rings. The sealing ring body is of a circular structure, a connecting through hole is formed in the center of the sealing ring body, an inner wall is formed at the joint of the connecting through hole and the sealing ring body, an outer wall is formed on the periphery of the sealing ring body, one end face of the sealing ring body is an installation end face, and the other end of the sealing ring body is a connection end face. The invention has the beneficial effects that: adopt the processing of iron material integral type structure to form, can guarantee to use under 0 ~ 28 MPa's high pressure environment and can not appear lubricating oil and leak and dust invasion phenomenon, be provided with interior wall groove on the inner wall of sealing washer body, install the sealed pad of double-deck integrated configuration's interior wall groove on the interior wall groove, be provided with the end face groove on the connection terminal surface of sealing washer body, install the sealed pad of end face groove on the end face groove, whole practicality is strong.)

1. The utility model provides a novel rotation axis sealing washer which characterized in that: it contains sealing washer body (1), interior wall slot (2), end face groove (3), sealing washer body (1) appearance be circular structure, the center of sealing washer body (1) be provided with connect the via hole (11), connect the via hole (11) and be formed with inner wall (12) with the junction of sealing washer body (1), the periphery of sealing washer body (1) be formed with outer wall (13), a terminal surface of sealing washer body (1) be installation terminal surface (14), the other end is connection terminal surface (15), inner wall (12) on be provided with interior wall slot (121), connection terminal surface (15) on be provided with end face groove (151), interior wall slot (121) on install interior wall slot sealing gasket (122), end face groove (151) on install end face groove sealing gasket (152).

2. The novel rotary shaft seal ring according to claim 1, wherein: inner wall groove sealing gasket (122) be double-deck integrated configuration, contain first sealing washer (123) and second sealing washer (124), first sealing washer (123) install in inner wall groove (121) with the same mutual butt of second sealing washer (124) appearance structure size, inner wall groove sealing gasket (122) exceed that the size that exposes of inner wall (12) be 0 ~ 5mm and install for 2/3 ~ 3/4 of the whole width of inner wall groove sealing gasket (122) for the size in inner wall groove (121), but the furthest realizes sealed, buffering shock attenuation's effect when guaranteeing that cooperation installation uses between inner wall groove sealing gasket (122) and the corresponding rotation axis.

3. The novel rotary shaft seal ring according to claim 1, wherein: the sealed pad of end face slot (152) exceed the size that exposes of connection terminal surface (15) for 0 ~ 3mm and install the size in end face slot (151) for 2/3 ~ 3/4 of the sealed pad (152) whole width of end face slot for connect terminal surface (15) through the sealed pad (152) of end face slot and corresponding stationary part abundant butt, realize effectual shock attenuation sealed.

4. The novel rotary shaft seal ring according to claim 1, wherein: the edge on inner wall (12), outer wall (13), inner wall groove (121), end face groove (151) be provided with 0.1 ~ 0.3 mm's chamfer for installer can not cut in the installation in sealing washer body (1), has improved the security performance of sealing washer body (1).

5. The novel rotary shaft seal ring according to claim 1, wherein: the surface machining precision of the sealing ring body (1) is Ra0.6-Ra0.8, the product utilization rate is improved, and the installation in the process is convenient.

6. The novel rotary shaft seal ring according to claim 1, wherein: the inner wall groove (121) of the inner wall (12) can be provided with a plurality of grooves according to actual requirements, so that sealing, buffering and shock absorption effects can be better achieved.

7. The novel rotary shaft seal ring according to claim 1, wherein: the inner wall groove sealing gasket (122) and the end surface groove sealing gasket (152) are made of fluoride rubber sealing ring materials, and have the advantages of strong resistance, compression deformation resistance and strong sealing performance.

8. The novel rotary shaft seal ring according to claim 1, wherein: the method comprises the following six processing steps: firstly, carrying out outer diameter and thickness size model selection on a workpiece raw material, and carrying out heat treatment on the workpiece after the model selection is finished; secondly, processing the peripheral dimension and diameter of the workpiece and the position of the central through hole, processing the peripheral diameter and the whole thickness of the workpiece by using numerical control turning according to the actual structure of the product to finish the dimension of a main body, fixing the workpiece on a three-jaw chuck of a lathe, and processing the central through hole by using numerical control turning to finish the dimension of the central through hole; thirdly, milling the inner wall of the workpiece by using numerical control milling to finish the processing of the inner wall groove, and milling the connecting end surface of the workpiece by using numerical control milling to finish the processing of the end surface groove; fourthly, polishing and deburring the surface of the workpiece; fifthly, the inner wall groove sealing gasket and the end surface groove sealing gasket are arranged in the corresponding inner wall groove and the corresponding end surface groove; sixthly, checking the size of the product and warehousing.

Technical Field

The invention relates to the technical field of rotating shaft sealing rings, in particular to a novel rotating shaft sealing ring.

Background

The rotary shaft sealing ring, also called rotary shaft lip sealing ring, is installed between the rotary shaft and the stationary part, is used for sealing the dynamic sealing element of the equipment for preventing the leakage of lubricating oil and the invasion of external dust and sundries, is generally used for sealing the positions of a rod, a shaft, a pin, a rotary joint and the like which rotate or swing, has rotary hydraulic rotation in various industrial fields such as engineering machinery, construction machinery, automobile equipment and the like, and is a rotary sealing ring with two-way action capable of bearing the action of pressure on two sides or alternating pressure.

Current rotation axis sealing washer receives the structure, the material characteristic, the service temperature scope, factor limitations such as working medium, can not satisfy current machining technical field, mechanical equipment need keep certain pressure at the actual environment in-process, the temperature and use for a long time in the environment under the strong corrosion, current rotation axis sealing washer material is mostly plastics, rubber is made, and the structure is single, normal use in can only be 5MPa at pressure environment, install under high pressure environment and use and cause lubricating oil outflow and external dust invasion easily, finally influence the sealing element of equipment.

Disclosure of Invention

The invention aims to overcome the defects and shortcomings of the prior art and provides a novel rotary shaft sealing ring to solve the problems in the prior art, the novel rotary shaft sealing ring is processed by adopting an iron material integrated structure, the lubricating oil leakage and dust invasion phenomena can be avoided when the novel rotary shaft sealing ring is used in a high-pressure environment of 0-28 MPa, an inner wall groove is arranged on the inner wall of a sealing ring body, an inner wall groove sealing gasket with a double-layer combined structure is arranged on the inner wall groove, the sealing, buffering and damping effects can be realized to the maximum extent when the inner wall groove sealing gasket and a rotary shaft are matched and arranged for use, an end surface groove is arranged on a connecting end surface of the sealing ring body, an end surface groove sealing gasket is arranged on the end surface groove, the effective damping and sealing can be realized through the end surface groove sealing gasket in the connecting process of the connecting end surface and a corresponding static part, the whole practicability is strong, the service life is long, and the market promotion value is high.

In order to achieve the purpose, the invention adopts the following technical scheme: it contains sealing washer body 1, interior wall slot 2, end face groove 3, 1 appearance of sealing washer body be circular structure, the center of sealing washer body 1 be provided with connect the via hole 11, connect the via hole 11 and be formed with inner wall 12 with the junction of sealing washer body 1, the periphery of sealing washer body 1 be formed with outer wall 13, a terminal surface of sealing washer body 1 be installation terminal surface 14, the other end is for connecting terminal surface 15, inner wall 12 on be provided with interior wall slot 121, connect terminal surface 15 on be provided with end face groove 151, interior wall slot 121 on install interior wall slot sealed pad 122, end face groove 151 on install end face groove sealed pad 152.

The sealed pad 122 of interior wall slot be double-deck integrated configuration, contain first sealing washer 123 and second sealing washer 124, first sealing washer 123 and the same mutual butt of second sealing washer 124 appearance structure size install in interior wall slot 121, interior wall slot sealed pad 122 exceed that the size that exposes of inner wall 12 be 0 ~ 5mm and install the size in interior wall slot 121 for 2/3 ~ 3/4 of the whole width of sealed pad 122 of interior wall slot.

The terminal surface groove sealing gasket 152 surpass the exposed size of the connection terminal surface 15 and be 0 ~ 3mm and install the size in the terminal surface groove 151 for 2/3 ~ 3/4 of the whole width of the terminal surface groove sealing gasket 152.

And edges on the inner wall 12, the outer wall 13, the inner wall groove 121 and the end surface groove 151 are provided with chamfers of 0.1-0.3 mm.

The surface processing precision of the sealing ring body 1 is Ra0.6-Ra0.8.

The inner wall groove 121 of the inner wall 12 can be provided with a plurality of grooves according to actual requirements.

The inner wall groove sealing gasket 122 and the end surface groove sealing gasket 152 are made of fluoride rubber sealing ring materials

The working principle of the invention is as follows: when in use, the mounting end face 14 of the sealing ring body 1 is fixed in position through an external fastening connector, the rotating shaft is sleeved in the connecting through hole 11, the periphery of the rotating shaft is fully abutted against the inner wall groove sealing gasket 122, the connecting end face 15 of the sealing ring body 1 is fully abutted against a corresponding static part through the end face groove sealing gasket 152, in the process of high-speed operation of the rotating shaft, under the matching action of the inner wall groove sealing gasket 122 and the end face groove sealing gasket 152, a tight sealing effect is generated on lubricating oil, meanwhile, external dust and sundries are prevented from being involved along with airflow to influence the normal operation of a sealing element, the structure of the sealing ring body 1 can enable the rotating shaft to realize normal operation under the environment within 4500r/min and 28MPa, the requirements that the traditional sealing ring can only realize use in 1500r/min and 5MPa environments are greatly exceeded, and the sealing ring body 1 cannot crack, in addition, the inner wall groove seal 122 and the end surface groove seal 152 are attached at positions which are designed to have a higher degree of adhesion to the structure such as the mechanical part of the rotary shaft.

After the technical scheme is adopted, the invention has the beneficial effects that: adopt the processing of iron material integral type structure to form, can guarantee to use under 0 ~ 28 MPa's high pressure environment and can not appear lubricating oil and leak and dust invasion phenomenon, be provided with interior wall groove on the inner wall of sealing washer body, the interior wall groove that installs double-deck integrated configuration on the interior wall groove is sealed, but guarantee cooperation installation use between sealed pad of interior wall groove and the rotation axis furthest realizes sealed, the shock attenuation effect of buffering, be provided with the terminal surface groove on the connection terminal surface of sealing washer body, install the terminal surface groove on the terminal surface groove and seal up, guarantee to connect the in-process that terminal surface and corresponding stationary part are connected and realize effectual shock attenuation through the sealed pad of terminal surface groove and seal up, thereby improve dynamic and static performance between sealing washer and the rotation axis, whole practicality is strong, life time is of a specified duration, great.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

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

FIG. 3 is a schematic view of the structure of FIG. 1 with the addition of an internal wall groove seal 122;

FIG. 4 is a schematic view of the structure of FIG. 2 with the addition of an internal wall groove seal 122;

fig. 5 is a schematic top view of the structure corresponding to fig. 1.

Description of reference numerals: the seal ring comprises a seal ring body 1, a connection through hole 11, an inner wall 12, an inner wall groove 121, an inner wall groove gasket 122, a first seal ring 123, a second seal ring 124, an outer wall 13, a mounting end face 14, a connection end face 15, an end face groove 151, an end face groove gasket 152, an inner wall groove 2, and an end face groove 3.

Detailed Description

Referring to fig. 1 to 5, the technical solution adopted by the present embodiment is: it contains sealing washer body 1, interior wall slot 2, end face groove 3, 1 appearance of sealing washer body be circular structure, the center of sealing washer body 1 be provided with connect the via hole 11, connect the via hole 11 and be formed with inner wall 12 with the junction of sealing washer body 1, the periphery of sealing washer body 1 be formed with outer wall 13, a terminal surface of sealing washer body 1 be installation terminal surface 14, the other end is for connecting terminal surface 15, inner wall 12 on be provided with interior wall slot 121, connect terminal surface 15 on be provided with end face groove 151, interior wall slot 121 on install interior wall slot sealed pad 122, end face groove 151 on install end face groove sealed pad 152.

Further, sealed pad 122 of inner wall groove be double-deck integrated configuration, contain first sealing washer 123 and second sealing washer 124, first sealing washer 123 and second sealing washer 124 appearance structure size the same mutual butt of size install in inner wall groove 121, sealed pad 122 of inner wall groove exceed that the size that exposes of inner wall 12 be 0 ~ 5mm and install for 2/3 ~ 3/4 of the whole width of sealed pad 122 of inner wall groove 121 of size, but guarantee that the cooperation installation can furthest realize sealed, the shock attenuation effect between sealed pad 122 of inner wall groove and the corresponding rotation axis when using.

Further, the sealed pad 152 of end face slot surpass the size that exposes of connecting end face 15 and be 0 ~ 3mm and install the size in end face slot 151 for 2/3 ~ 3/4 of the sealed whole width of 152 of end face slot for connecting end face 15 and passing through the sealed pad 152 of end face slot and corresponding stationary part abundant butt, realize effectual shock attenuation sealed.

Furthermore, the edges of the inner wall 12, the outer wall 13, the inner wall groove 121 and the end surface groove 151 are provided with 0.1-0.3 mm chamfers, so that the sealing ring body 1 cannot cut an installer in the installation process, and the safety performance of the sealing ring body 1 is improved.

Furthermore, the surface machining precision of the sealing ring body 1 is Ra0.6-Ra0.8, the product utilization rate is improved, and the installation in the process is convenient.

Furthermore, the inner wall grooves 121 of the inner wall 12 can be provided with a plurality of grooves according to actual requirements, so that sealing, buffering and shock absorption effects can be better realized.

Furthermore, the inner wall groove sealing gasket 122 and the end surface groove sealing gasket 152 are made of fluoride rubber sealing ring materials, so that the sealing gasket has strong resistance and compression deformation resistance, and has stronger sealing performance.

Furthermore, the novel rotary shaft sealing ring comprises the following six processing steps: firstly, carrying out outer diameter and thickness size model selection on a workpiece raw material, and carrying out heat treatment on the workpiece after the model selection is finished; secondly, processing the peripheral dimension and diameter of the workpiece and the position of the central through hole, processing the peripheral diameter and the whole thickness of the workpiece by using numerical control turning according to the actual structure of the product to finish the dimension of a main body, fixing the workpiece on a three-jaw chuck of a lathe, and processing the central through hole by using numerical control turning to finish the dimension of the central through hole; thirdly, milling the inner wall of the workpiece by using numerical control milling to finish the processing of the inner wall groove, and milling the connecting end surface of the workpiece by using numerical control milling to finish the processing of the end surface groove; fourthly, polishing and deburring the surface of the workpiece; fifthly, the inner wall groove sealing gasket and the end surface groove sealing gasket are arranged in the corresponding inner wall groove and the corresponding end surface groove. Sixthly, checking the size of the product and warehousing.

The working principle of the invention is as follows: when in use, the mounting end face 14 of the sealing ring body 1 is fixed in position through an external fastening connector, the rotating shaft is sleeved in the connecting through hole 11, the periphery of the rotating shaft is fully abutted against the inner wall groove sealing gasket 122, the connecting end face 15 of the sealing ring body 1 is fully abutted against a corresponding static part through the end face groove sealing gasket 152, in the process of high-speed operation of the rotating shaft, under the matching action of the inner wall groove sealing gasket 122 and the end face groove sealing gasket 152, a tight sealing effect is generated on lubricating oil, meanwhile, external dust and sundries are prevented from being involved along with airflow to influence the normal operation of a sealing element, the structure of the sealing ring body 1 can enable the rotating shaft to realize normal operation under the environment within 4500r/min and 28MPa, the requirements that the traditional sealing ring can only realize use in 1500r/min and 5MPa environments are greatly exceeded, and the sealing ring body 1 cannot crack, in addition, the inner wall groove seal 122 and the end surface groove seal 152 are attached at positions which are designed to have a higher degree of adhesion to the structure such as the mechanical part of the rotary shaft.

After the technical scheme is adopted, the invention has the beneficial effects that: adopt the processing of iron material integral type structure to form, can guarantee to use under 0 ~ 28 MPa's high pressure environment and can not appear lubricating oil and leak and dust invasion phenomenon, be provided with interior wall groove on the inner wall of sealing washer body, the interior wall groove that installs double-deck integrated configuration on the interior wall groove is sealed, but guarantee cooperation installation use between sealed pad of interior wall groove and the rotation axis furthest realizes sealed, the shock attenuation effect of buffering, be provided with the terminal surface groove on the connection terminal surface of sealing washer body, install the terminal surface groove on the terminal surface groove and seal up, guarantee to connect the in-process that terminal surface and corresponding stationary part are connected and realize effectual shock attenuation through the sealed pad of terminal surface groove and seal up, thereby improve dynamic and static performance between sealing washer and the rotation axis, whole practicality is strong, life time is of a specified duration, great.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.