CN215110398U - Combined dust-proof sealing ring - Google Patents
Combined dust-proof sealing ring Download PDFInfo
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- CN215110398U CN215110398U CN202120857777.5U CN202120857777U CN215110398U CN 215110398 U CN215110398 U CN 215110398U CN 202120857777 U CN202120857777 U CN 202120857777U CN 215110398 U CN215110398 U CN 215110398U
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Abstract
The utility model discloses a modular dust sealing circle, including seat circle, inner circle and outer lane, be provided with interior annular groove and outer annular groove on the interior disc of seat circle and the outer disc respectively, interior annular groove inlays to be equipped with the inner circle, outer annular groove inlays to be equipped with the outer lane. The utility model has the advantages that the sealing ring is arranged between the sealing installation hole of the box body and the hollow shaft, so that the hollow shaft passes through the inner ring of the sealing ring, the inner circle surface of the inner ring is tightly attached to the outer circle surface of the hollow shaft, and the outer circle surface of the outer ring is tightly attached to the inner wall of the sealing installation hole of the box body, thereby effectively preventing dust from entering the box body and improving the dustproof sealing effect of the transmission system; and the seal ring is beneficial to the standardized and serialized design and manufacture, and is convenient to assemble.
Description
Technical Field
The utility model relates to a sealing washer technical field specifically is a modular dust sealing circle.
Background
Gear shaft type mechanical transmission systems are widely applied in various industry fields. In a gear shaft mechanical transmission system, transmission elements mainly comprise gears and shaft parts, and the transmission elements, supporting elements such as a transmission box body and a bearing, and other elements such as a sealing element and a fastening element form the transmission system together. For a gear shaft transmission system, at least one power input shaft is needed to input power to the system from the outside of the system, at least one power output shaft is needed to output power from the outside of the system, and due to the need of connecting with the outside, the shaft ends of the input shaft and the output shaft must extend out of a system box body, and the shafts extending out of the box body are collectively called through-hole shafts.
In order to ensure the normal operation of the transmission system, a proper amount of lubricating oil needs to be injected into the transmission case to lubricate and cool various elements forming the transmission system. In order to prevent the lubricating oil in the box from flowing out of the box, an oil seal needs to be arranged between the shaft and the box, and meanwhile, in order to prevent external dust from entering the system to pollute the oil, a dustproof seal needs to be arranged between the shaft and the box. But the dustproof sealing effect of the prior art is not good, and external dust easily enters the system to pollute oil.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in how to improve transmission system's dustproof sealing effect.
In order to solve the technical problem, the utility model provides a following technical scheme:
the combined dustproof sealing ring comprises a seat ring, an inner ring and an outer ring, wherein an inner annular groove and an outer annular groove are respectively formed in the inner circular surface and the outer circular surface of the seat ring, the inner ring is embedded in the inner annular groove, and the outer ring is embedded in the outer annular groove.
The sealing ring is arranged between the sealing installation hole of the box body and the hollow shaft, so that the hollow shaft passes through the inner ring of the sealing ring, the inner circular surface of the inner ring is tightly attached to the outer circular surface of the hollow shaft, and the outer circular surface of the outer ring is tightly attached to the inner wall of the sealing installation hole of the box body, thereby effectively preventing dust from entering the box body and improving the dustproof sealing effect of the transmission system; and the seal ring is beneficial to the standardized and serialized design and manufacture, and is convenient to assemble.
Preferably, the inner circumference of the inner race projects beyond the race inner circumference.
Preferably, the outer circumferential surface of the outer ring protrudes beyond the outer circumferential surface of the seat ring.
Preferably, the outer circular surface of the outer ring is also provided with an annular rib; the annular rib receives can inseparabler sealed laminating on the mounting hole inner wall after the extrusion of sealed mounting hole inner wall, guarantees transmission system's dustproof sealing effect, can also play the axial positioning effect to this sealing washer simultaneously, prevents that this sealing washer from producing axial displacement.
Preferably, the cross-sectional shape of the annular rib is triangular, rectangular or semicircular.
Preferably, the race is in the form of an oblate annulus.
Preferably, the cross-sectional shapes of the inner ring and the outer ring are rectangular.
Preferably, the race is made of a metallic material or plastic.
Preferably, the inner ring is made of felt materials, so that reliable dustproof sealing can be realized, and friction and abrasion of the sealing materials to the via hole shaft can be reduced to the maximum extent.
Preferably, the outer ring is made of rubber materials, and the elasticity of rubber is utilized, so that the dustproof sealing can be guaranteed, and the reliable positioning of the combined dustproof sealing ring can be guaranteed.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the sealing ring is arranged between the sealing installation hole of the box body and the hollow shaft, so that the hollow shaft passes through the inner ring of the sealing ring, the inner circular surface of the inner ring is tightly attached to the outer circular surface of the hollow shaft, and the outer circular surface of the outer ring is tightly attached to the inner wall of the sealing installation hole of the box body, thereby effectively preventing dust from entering the box body and improving the dustproof sealing effect of the transmission system; and the seal ring is beneficial to the standardized and serialized design and manufacture, and is convenient to assemble.
2. Through the setting of annular muscle, guarantee transmission system's dustproof sealed effect, can also play the axial positioning effect to this sealing washer simultaneously, prevent that this sealing washer from producing axial displacement.
Drawings
Fig. 1 is an exploded schematic view of an embodiment of the utility model;
figure 2 is a cross-sectional view of an embodiment of the invention;
FIG. 3 is a schematic view of an installation structure of an embodiment of the present invention
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention by those skilled in the art, the technical solutions of the present invention will now be further described with reference to the drawings attached to the specification.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless explicitly stated or limited otherwise, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 3, the present embodiment discloses a combined dust-proof sealing ring, which includes a seat ring 1, an inner ring 2, and an outer ring 3, where the seat ring is in a flat ring shape, an inner annular groove 11 and an outer annular groove 12 are respectively disposed on an inner circular surface and an outer circular surface of the seat ring 1, the inner annular groove 11 is embedded with the inner ring 2, and the outer annular groove 12 is embedded with the outer ring 3.
The sealing ring is arranged between a sealing installation hole 5 of the box body and the via hole shaft 4, so that the via hole shaft 4 penetrates through the inner ring 2 of the sealing ring, the inner circular surface of the inner ring 2 is tightly attached to the outer circular surface of the via hole shaft 4, and the outer circular surface of the outer ring 3 is tightly attached to the inner wall of the sealing installation hole 5 of the box body, thereby effectively preventing dust from entering the box body and improving the dustproof sealing effect of the transmission system; and the seal ring is beneficial to the standardized and serialized design and manufacture, and is convenient to assemble.
Furthermore, the inner circular surface of the inner ring 2 protrudes out of the inner circular surface of the seat ring 1, and the outer circular surface of the outer ring 3 protrudes out of the outer circular surface of the seat ring 1, so that the inner ring 2 is tightly attached to the outer circular surface of the via shaft 4, and the outer ring 3 is tightly attached to the inner wall of the seal mounting hole 5.
Still further, still be equipped with annular muscle 31 on the outer disc of outer lane 3, annular muscle 31 receives can be inseparabler sealed laminating on 5 inner walls of seal installation hole after the extrusion of 5 inner walls of seal installation hole, guarantees transmission system's dustproof and sealed effect, can also play the axial positioning effect to this sealing washer simultaneously, prevents that this sealing washer from producing axial displacement. Further, the cross-sectional shape of the annular rib 31 is triangular, rectangular or semicircular.
Furthermore, the seat ring 1 is made of metal materials or plastics, and the inner ring 2 is made of felt materials, so that reliable dustproof sealing can be realized, and the friction and the abrasion of a sealing material to a via hole shaft can be reduced to the maximum extent; the outer ring 3 is made of rubber materials, and by means of elasticity of rubber, dust sealing can be guaranteed, and reliable positioning of the combined type dust sealing ring can be guaranteed.
The utility model discloses an installation as follows: the sealing ring is arranged between the sealing mounting hole 5 of the box body and the via hole shaft 4, the via hole shaft 4 penetrates through the inner ring 2 of the sealing ring, the inner circular surface of the inner ring 2 is tightly attached to the outer circular surface of the via hole shaft 4, the annular rib 31 on the outer circular surface of the outer ring 3 is radially extruded and is tightly attached to the inner wall of the sealing mounting hole 5 of the box body, the dustproof sealing effect of a transmission system is guaranteed, the axial positioning effect on the sealing ring can be achieved, and the sealing ring is prevented from generating axial movement.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above embodiments only show the embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.
Claims (10)
1. The utility model provides a modular dustproof sealing ring which characterized in that: the inner ring and the outer ring are respectively provided with an inner ring groove and an outer ring groove, the inner ring is embedded in the inner ring groove, and the outer ring is embedded in the outer ring groove.
2. The combined dust seal according to claim 1, wherein: the inner circular surface of the inner ring protrudes out of the inner circular surface of the seat ring.
3. The combined dust seal according to claim 1, wherein: the outer circle surface of the outer ring protrudes out of the outer circle surface of the seat ring.
4. The combined dust seal according to claim 3, wherein: and the outer circular surface of the outer ring is also provided with an annular rib.
5. The combined dust seal according to claim 4, wherein: the section of the annular rib is triangular, rectangular or semicircular.
6. The combined dust seal according to claim 1, wherein: the seat ring is in an oblate ring shape.
7. The combined dust seal according to claim 1, wherein: the cross sections of the inner ring and the outer ring are rectangular.
8. The combined dust seal according to claim 1, wherein: the seat ring is made of metal materials or plastics.
9. The combined dust seal according to claim 1, wherein: the inner ring is made of felt material.
10. The combined dust seal according to claim 1, wherein: the outer ring is made of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120857777.5U CN215110398U (en) | 2021-04-22 | 2021-04-22 | Combined dust-proof sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120857777.5U CN215110398U (en) | 2021-04-22 | 2021-04-22 | Combined dust-proof sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215110398U true CN215110398U (en) | 2021-12-10 |
Family
ID=79270745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120857777.5U Active CN215110398U (en) | 2021-04-22 | 2021-04-22 | Combined dust-proof sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215110398U (en) |
-
2021
- 2021-04-22 CN CN202120857777.5U patent/CN215110398U/en active Active
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