CN219932948U - Sealing structure, crushing main shaft mechanism of crusher and crusher - Google Patents
Sealing structure, crushing main shaft mechanism of crusher and crusher Download PDFInfo
- Publication number
- CN219932948U CN219932948U CN202321045109.8U CN202321045109U CN219932948U CN 219932948 U CN219932948 U CN 219932948U CN 202321045109 U CN202321045109 U CN 202321045109U CN 219932948 U CN219932948 U CN 219932948U
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- crusher
- annular
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- 238000007789 sealing Methods 0.000 title claims abstract description 241
- 230000007246 mechanism Effects 0.000 title claims description 12
- 230000007704 transition Effects 0.000 claims description 2
- 230000001629 suppression Effects 0.000 claims 3
- 230000000694 effects Effects 0.000 description 15
- 239000002356 single layer Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The utility model relates to the technical field of sealing, in particular to a sealing structure and a crusher, comprising: the first sealing ring comprises a sealing ring main body, and the sealing ring main body is annular; the sealing support ring is abutted against the first end face of the sealing ring main body and used for supporting the first sealing ring; the sealing pressing plate is abutted against the second end face of the sealing ring main body and used for pressing the first sealing ring; the connecting piece is used for enabling the sealing support ring and the sealing pressing plate to clamp the first sealing ring on two opposite sides of the first sealing ring in the axial direction. The sealing structure is provided with a framework, and can guide the sealing ring and enable the sealing ring not to be easy to fail.
Description
Technical Field
The utility model relates to the technical field of sealing, in particular to a sealing structure, a crushing main shaft mechanism of a crusher and the crusher.
Background
In the related art, most of the sealing at the crushing main shaft of the traditional cone crusher is single-layer sealing, no framework is used for fixing and guiding, oil leakage of the sealing ring is easy to occur, dust enters, the sealing ring is aged rapidly, the sealing effect is lost, and abrasion of the main shaft and the shaft sleeve is further aggravated.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art or related art. Therefore, the utility model provides a sealing structure which can guide the sealing ring and make the sealing ring not easy to fail. The utility model also provides a crusher main shaft mechanism using the sealing structure and a crusher.
According to an embodiment of the first aspect of the present utility model, a sealing structure comprises
A first seal ring comprising an annular seal ring body;
the sealing support ring is abutted against one side of the first sealing ring;
the sealing pressing plate is abutted against the other side of the first sealing ring;
the connecting piece is used for enabling the sealing support ring and the sealing pressing plate to form a framework, and the sealing support ring and the sealing pressing plate clamp the first sealing ring on two opposite sides of the first sealing ring in the axial direction.
Preferably, the first sealing ring and the sealing support ring are provided with through holes which are penetrated axially, the sealing pressing plate comprises threaded holes, and the connecting piece penetrates through the through holes of the first sealing ring and the sealing support ring and is screwed with the threaded holes of the sealing pressing plate.
Preferably, the top surface of the sealing support ring is close to the inner edge and extends towards the first sealing ring to form an annular first support structure, the top surface of the first support structure is a plane, and the sealing support ring is abutted against the sealing ring main body through the first support structure.
Preferably, the extending end of the first support structure extends towards the axis direction of the sealing support ring to form a support inner edge for bearing the sealing ring main body.
Preferably, the inner edge of the first sealing ring extends obliquely to the inner side far away from the first sealing ring to form an annular first extending structure; the junction of the outer ring surface of the first extension structure and the first sealing ring is in curved transition.
Preferably, the outer edge of the first sealing ring extends towards the sealing support ring to form an annular second extending structure.
Preferably, the sealing structure further comprises a second sealing ring which is consistent with the first sealing ring structure, the second sealing ring is arranged on one side, far away from the first sealing ring, of the sealing pressing plate, and the second sealing ring and the first sealing ring are symmetrically arranged by taking the central surface of the thickness direction of the sealing pressing plate as a reference surface.
A breaker crushing spindle mechanism in accordance with an embodiment of the second aspect of the utility model comprises a sealing structure in the first aspect or in various implementations thereof.
The crusher according to an embodiment of the third aspect of the utility model comprises the sealing structure of the first aspect or implementations thereof or the crusher main shaft mechanism of the second aspect.
Preferably, the crusher comprises a bearing part and a pressing part, wherein the bearing part is provided with an annular inner wall, the annular inner wall of the bearing part is inwards protruded to form an annular stepped bearing structure, and the sealing structure is arranged at an included angle between the inner annular surface of the bearing part and the top surface of the bearing structure; the second sealing ring is placed on the top surface of the sealing structure, the pressing piece is provided with a pressing structure, and the pressing structure is abutted to the main body of the second sealing ring.
One of the above technical solutions has at least the following advantages or beneficial effects:
in the sealing structure provided by the embodiment of the utility model, the first sealing ring is clamped at the two sides of the first sealing ring by using the sealing support frame and the sealing pressing plate, and the first sealing ring is clamped by the sealing support frame and the sealing pressing plate through the connecting piece, so that the first sealing ring forms a framework above and below.
The sealing structure provided by the embodiment of the utility model can be used for superposing the second sealing ring on the basis of the framework sealing structure, and the first sealing ring and the second sealing ring are arranged back to back, so that the sealing effect is better compared with the traditional structure provided with a single-layer sealing ring.
The crushing main shaft mechanism of the crusher provided by the embodiment of the utility model is provided with the sealing structure, and the sealing structure has the technical effects, so that the crushing main shaft mechanism of the crusher provided with the sealing structure also has the corresponding technical effects.
The crusher provided with the sealing structure has the technical effects, and the crusher provided with the sealing structure has the corresponding technical effects.
Drawings
Fig. 1 is a schematic structural diagram of a sealing structure according to an embodiment of the present utility model.
Fig. 2 is a partial enlarged view of fig. 1 at a.
The reference numerals include:
the sealing support comprises a 1-sealing support ring, a 11-support ring main body, a 12-first support structure, a 13-support inner edge, a 14-countersunk hole, a 2-first sealing ring, a 21-sealing ring main body, a 22-first extending structure, a 23-second extending structure, a 24-through hole, a 3-sealing pressing plate, a 31-threaded hole, a 4-second sealing ring, a 5-screw, a 6-pressing piece, a 61-pressing structure, a 7-supporting piece and a 71-supporting structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present technical solution more apparent, the present technical solution is further described in detail below in conjunction with the specific embodiments. It should be understood that the description is only illustrative and is not intended to limit the scope of the present technical solution.
It should be noted that, in the description of the present utility model, the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and do not require that the present utility model must be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. The terms "front", "back", "left", "right", "upper", "lower" as used in the description of the present utility model refer to directions in the drawings, and the terms "inner", "outer" refer to directions toward or away from the geometric center of a particular component, respectively.
As described above, in the research on the crusher and the related sealing structure of the crusher, the inventor finds that most of the sealing at the crushing main shaft of the traditional cone crusher is single-layer sealing, and there is no fixed guiding of the framework, so that oil leakage of the sealing ring is easy to occur, dust enters, and the sealing ring is aged rapidly, so that the sealing effect is lost, and the abrasion of the main shaft and the shaft sleeve is further aggravated.
The roller crusher adopts a mode of transversely laminating a plurality of plates to fix the sealing ring, so that the use space is larger, the application range of the roller crusher is limited, and the roller crusher cannot be applied to a cone crusher.
Example 1
To solve at least the above problems, as shown in fig. 1 and 2, a sealing structure according to an embodiment of the present utility model includes a first sealing ring 2, where the first sealing ring 2 is used as a main sealing member, the first sealing ring 2 includes an annular sealing ring main body 21, and the sealing ring main body 21 is an annular member made of an elastic material and having a certain thickness. The seal supporting ring 1 is abutted on the seal ring main body 21 and is used for supporting the first seal ring 2, and the seal supporting ring 1 is used for supporting the first seal ring 2 in the direction of the first seal ring 2 towards one side of the seal supporting ring 1, namely, a framework structure of the first seal ring 2 in the first direction is formed. The sealing pressing plate 3 is an annular part, the sealing pressing plate 3 is abutted against the surface of the sealing ring main body 21 facing the sealing support ring 1 and is used for pressing the first sealing ring 2, and the sealing pressing plate 3 is used for supporting the first sealing ring 2 in the direction of the side, opposite to the sealing support ring 1, of the first sealing ring 2, namely, a framework structure of the first sealing ring 2 in the second direction is formed. The connecting piece is used for connecting the sealing support ring 1 and the sealing pressing plate 3, and the connecting piece is used for enabling the sealing support ring 1 and the sealing pressing plate 3 to clamp the first sealing ring 2 on two opposite sides of the first sealing ring 2 in the axial direction. From this, seal support ring 1 and seal clamp plate 3 make seal support ring 1 and seal clamp plate 3 centre gripping first sealing washer 2 and form the skeleton texture in the both sides of first sealing washer 2 through the pretension of connecting piece, seal support ring 1, first sealing washer 2, seal clamp plate 3 and connecting piece form detachable integral piece.
In this embodiment, the first sealing ring 2 and the sealing support ring 1 have through holes 24 that pass through axially, the sealing pressure plate 3 includes threaded holes 31, the connecting piece may be a screw 5, and the screw 5 sequentially passes through the through holes 24 on the first sealing ring 2 and the sealing support ring 1 and is screwed to the threaded holes 31 of the sealing pressure plate 3, preferably, the through holes 24 on the sealing support ring 1 may be countersunk holes 14. Therefore, the surface of the combined body formed by the sealing support ring 1, the first sealing ring 2, the sealing pressing plate 3 and the screw 5 is more regular, the structure is more compact, and the combined body is easier to install at the annular step surface or shaft shoulder position.
Further, the inner edge of the first seal ring 2 extends obliquely away from the inner side of the first seal ring 2 to form an annular first extending structure 22, and the first extending structure 22 serves as a main sealing structure of the first seal ring 2, contacts the outer wall of the main shaft and forms a sliding seal. The connection between the outer ring surface of the first extension structure 22 and the first sealing ring 2 is curved, so that the connection between the outer ring surface of the first extension structure 22 and the first sealing ring 2 is not easy to form stress concentration.
The supporting ring main body 11 is a main body structure of the sealing supporting ring 1, the top surface of the supporting ring main body 11 is close to the inner edge and extends towards the first sealing ring 2 to form a ring-shaped first supporting structure 12, the top surface of the first supporting structure 12 is a plane, the sealing supporting ring 1 is abutted to the sealing ring main body 21 through the first supporting structure 12, and the first supporting structure 12 has the function of enabling the first extending structure 22 to have a certain outward deformable space, so that the sealing effect of the first sealing ring 2 is enhanced.
Preferably, the extending end of the first supporting structure 12 extends towards the axial direction of the sealing supporting ring 1 to form a supporting inner edge 13 for bearing the supporting ring main body 11, and the supporting inner edge 13 is used for increasing the contact area between the first supporting structure 12 and the first sealing ring 2 so as to achieve the effect of increasing the stability of clamping the first sealing ring 2.
The outer edge of the first sealing ring 2 extends towards the sealing support ring 1 to form an annular second extending structure 23, and the second extending structure 23 is used for compensating an annular cavity at the outer edge of the sealing support ring 1 and the outer edge of the first sealing ring 2, so that leakage of lubricating oil at the cavity is avoided.
Still further, seal structure still includes the second sealing washer 4 unanimous with first sealing washer 2 structure, second sealing washer 4 sets up in sealing pressure plate 3 keep away from first sealing washer 2 one side, and second sealing washer 4 and first sealing washer 2 use sealing pressure plate 3 thickness direction's central plane to set up as the reference plane symmetry, second sealing washer 4 forms back-to-back structure with first sealing washer 2, consequently second sealing washer 4 and first extending structure 22 of first sealing washer 2 form double-deck sealed and for two-way seal after being connected with the main shaft, increase seal structure's whole sealed effect.
Example 2
According to the crushing main shaft mechanism of the crusher, which is provided by the embodiment of the utility model, the sealing structure is arranged, and the sealing structure has the technical effects, so that the crushing main shaft mechanism of the crusher provided with the sealing structure also has the corresponding technical effects.
Example 3
The crusher according to one embodiment of the present utility model is provided with the above sealing structure, and the sealing structure may be, for example, the sealing structure having the first sealing ring 2 and the second sealing ring 4 as set forth in the above embodiment.
As shown in fig. 2, the crusher comprises a bearing member 7 and a pressing member 6, wherein the bearing member 7 is provided with an annular inner wall, the annular inner wall of the bearing member 7 is inwards protruded to form an annular stepped bearing structure 71, and a combination of the sealing support ring 1, the first sealing ring 2, the sealing pressing plate 3 and the connecting member is arranged at an included angle between the inner annular surface of the bearing member 7 and the top surface of the bearing structure 71; the second sealing ring 4 is placed on the top surface of the assembly, the pressing member 6 is provided with an annular pressing structure 61, the pressing structure 61 is abutted against the first end surface of the main body of the second sealing ring 4, the pressing structure 61 has a function similar to that of the first supporting structure 12, after the sealing structure is installed between the pressing member 6 and the supporting member 7, the annular wall of the supporting member 7 axially positions the sealing structure, the supporting structure 71 axially positions the sealing structure in the first direction, the pressing structure 61 axially positions the sealing structure in the second direction, and the pressing structure 61 is abutted against the first end surface of the main body of the second sealing ring 4, so that the contact surface of the pressing structure 61 and the supporting member 4 is sealed, and leakage of lubricating oil at the contact position of the screw 5 or the sealing structure and the inner ring surface of the supporting member 7 is avoided, so that the sealing effect is enhanced.
It can be appreciated that the crusher provided in this embodiment is provided with the sealing structure described above, and since the sealing structure has the above technical effects, the crusher provided with the sealing structure should also have corresponding technical effects.
In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature, which may be in direct contact with the first and second features, or in indirect contact with the first and second features via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is level lower than the second feature.
In the description of the present specification, the terms "one embodiment," "some embodiments," "example embodiments," "examples," "specific examples," or "some examples," etc., refer to a particular feature, structure, material, or characteristic described in connection with the embodiment or example as being included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the utility model.
The foregoing is merely exemplary of the present utility model, and those skilled in the art can make many variations in the specific embodiments and application scope according to the spirit of the present utility model, as long as the variations do not depart from the spirit of the utility model.
Claims (10)
1. A sealing structure, characterized by comprising:
the first sealing ring comprises a sealing ring main body, and the sealing ring main body is annular;
the sealing support ring is abutted against one side of the first sealing ring;
the sealing pressing plate is abutted against the other side of the first sealing ring;
the connecting piece is used for enabling the sealing support ring and the sealing pressing plate to form a framework, and the sealing support ring and the sealing pressing plate clamp the first sealing ring on two opposite sides of the first sealing ring in the axial direction.
2. The seal structure according to claim 1, wherein: the first sealing ring and the sealing support ring are provided with through holes which are axially communicated, the sealing pressing plate comprises threaded holes, and the connecting piece penetrates through the through holes of the first sealing ring and the sealing support ring and is screwed into the threaded holes of the sealing pressing plate.
3. The seal structure according to claim 1, wherein: the top surface of the sealing support ring is close to the inner edge and extends towards the first sealing ring to form an annular first support structure, the top surface of the first support structure is a plane, and the sealing support ring is abutted to the sealing ring main body through the first support structure.
4. A sealing arrangement according to claim 3, wherein: the extending tail end of the first supporting structure extends towards the axis direction of the sealing supporting ring to form a supporting inner edge for bearing the supporting ring main body.
5. The seal structure according to claim 1, wherein: the inner edge of the first sealing ring is inclined and extends to the inner side far away from the first sealing ring to form an annular first extending structure; and the joint of the outer ring surface of the first extension structure and the first sealing ring is in curved transition.
6. The seal structure according to claim 1, wherein: the outer edge of the first sealing ring extends towards the sealing support ring to form an annular second extending structure.
7. The seal structure according to claim 1, wherein: the sealing structure further comprises a second sealing ring which is consistent with the first sealing ring structure, the second sealing ring is arranged on one side, far away from the first sealing ring, of the sealing pressing plate, and the second sealing ring and the first sealing ring are symmetrically arranged by taking the central surface of the thickness direction of the sealing pressing plate as a reference surface.
8. A breaker main shaft mechanism of a breaker, comprising: a sealing structure as claimed in any one of claims 1 to 7.
9. A crusher, comprising: a sealing structure according to any one of claims 1 to 7 or a breaker main shaft mechanism according to claim 8.
10. The crusher according to claim 9, characterized in that: the crusher comprises a bearing piece and a pressing piece, wherein the annular inner wall of the bearing piece protrudes inwards to form an annular stepped bearing structure, and the sealing structure is arranged at an included angle between the inner annular surface of the bearing piece and the top surface of the bearing structure; the top surface of seal structure has placed the second sealing washer, the suppression piece has the suppression structure, the suppression structure butt is in the main part of second sealing washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321045109.8U CN219932948U (en) | 2023-05-05 | 2023-05-05 | Sealing structure, crushing main shaft mechanism of crusher and crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321045109.8U CN219932948U (en) | 2023-05-05 | 2023-05-05 | Sealing structure, crushing main shaft mechanism of crusher and crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219932948U true CN219932948U (en) | 2023-10-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321045109.8U Active CN219932948U (en) | 2023-05-05 | 2023-05-05 | Sealing structure, crushing main shaft mechanism of crusher and crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219932948U (en) |
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2023
- 2023-05-05 CN CN202321045109.8U patent/CN219932948U/en active Active
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