CN223203131U - Flexible wind-protecting ring and fan - Google Patents
Flexible wind-protecting ring and fanInfo
- Publication number
- CN223203131U CN223203131U CN202422772279.7U CN202422772279U CN223203131U CN 223203131 U CN223203131 U CN 223203131U CN 202422772279 U CN202422772279 U CN 202422772279U CN 223203131 U CN223203131 U CN 223203131U
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- Prior art keywords
- bushing
- base body
- ring
- bracket
- wire mesh
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Abstract
本实用新型公开了一种柔性护风圈及风扇，该柔性护风圈包括：基体，为环状结构，基体与支架连接；内圈，为管状结构并与基体固定连接；减震垫，设于基体与支架之间，基体与支架通过减震垫可拆卸连接。本申请提供的一种柔性护风圈及风扇，通过在基体与支架之间设置减震垫，能够避免支架与基体直接接触，在内圈震动时，通过减震垫能够实现震动的缓冲，不会直接实现震动的传递，避免基体与支架不同步运动所导致的基体开裂。
The utility model discloses a flexible wind shield and a fan, the flexible wind shield comprising: a base body, which is an annular structure and is connected to a bracket; an inner ring, which is a tubular structure and is fixedly connected to the base body; and a shock-absorbing pad, which is provided between the base body and the bracket, and the base and the bracket are detachably connected via the shock-absorbing pad. The flexible wind shield and the fan provided by the present application can avoid direct contact between the bracket and the base body by providing the shock-absorbing pad between the base body and the bracket. When the inner ring vibrates, the shock-absorbing pad can buffer the vibration and prevent direct transmission of the vibration, thereby avoiding cracking of the base body caused by asynchronous movement of the base body and the bracket.
Description
Technical Field
The utility model relates to the technical field of engine cooling equipment, in particular to a flexible wind protection ring. In addition, the utility model also relates to a fan comprising the flexible wind-protecting ring.
Background
The existing heavy engine is provided with cooling equipment such as a fan, the fan is generally provided with a flexible fan protection ring, the flexible fan protection ring is an important component of a whole vehicle cooling system, the fan protection ring is an annular device which is arranged on the periphery of the fan and fixed at the end of the engine, the main effect is to protect fan blades from damage and improve the overall performance of the fan, the fan protection ring comprises flow, static pressure, shaft power, efficiency and the like, the flexible fan protection ring is mainly manufactured by processing an aluminum alloy as a profile, the aluminum profile is easy to deform at high temperature when being welded due to overlarge diameter, the yield is too low, the thickness of the aluminum profile is not less than 7mm, and the unit price of the aluminum alloy is more noble than iron, so that the cost is higher. The flexible wind-protecting ring bracket of the fan can be suspended to extend out of the engine body for a longer distance due to the limitation of the installation of the fan, and the installation surface of the flexible wind-protecting ring of the fan can be cracked in the long-time working process of the engine.
In summary, how to prevent the mounting surface of the flexible wind-protecting ring from cracking is a problem to be solved by those skilled in the art.
Disclosure of utility model
Accordingly, the present utility model is directed to a flexible wind-protecting ring, wherein a shock pad is disposed at a connection portion between a base body and a bracket of the flexible wind-protecting ring, so that the problem of cracking of the base body can be effectively avoided.
Another object of the present utility model is to provide a fan comprising the flexible grommet described above.
In order to achieve the above object, the present utility model provides the following technical solutions:
A flexible grommet, comprising:
The base body is of an annular structure and is connected with the bracket;
the inner ring is of a tubular structure and is fixedly connected with the matrix;
the damping pad is arranged between the base body and the bracket, and the base body is detachably connected with the bracket through the damping pad.
Preferably, the shock pad comprises an upper bushing, a lower bushing, an upper bushing wire mesh ring and a lower bushing wire mesh ring, wherein the upper bushing wire mesh ring and the lower bushing wire mesh ring are arranged between the upper bushing and the lower bushing, and the base body is arranged between the upper bushing wire mesh ring and the lower bushing wire mesh ring.
Preferably, the upper bushing and the lower bushing are of annular structures with holes in the middle, and the shock pad is detachably connected with the bracket through bolts and nuts.
Preferably, the upper bushing is sleeved on the lower bushing, the upper bushing and the lower bushing are detachably connected, the upper bushing wire mesh is sleeved on the periphery of the upper bushing, and the lower bushing wire mesh is sleeved on the periphery of the lower bushing.
Preferably, the base body is provided with an arc-shaped protruding portion, and the shock pad is arranged on the protruding portion so that the central axis of the shock pad is parallel to the central axis of the inner ring.
Preferably, the cross section of upper bush with the cross section of lower bush is T shape structure, be provided with the perforation on the bulge, the lower bush pass the fenestrate one end with fenestrate shape, size are the same, the upper bush cover is located the one end of lower bush periphery with the lower bush matches and sets up.
Preferably, the support comprises an upper support and two side supports, wherein the upper support is matched with the two shock pads, and the side supports are matched with one shock pad.
Preferably, the base body is fixedly connected with the inner ring in a welding manner, and an elastic piece is arranged between the base body and the inner ring.
Preferably, the materials of the matrix and the inner ring are DC01 cold-rolled low-carbon steel, and the thickness is 1.5mm.
A fan comprising a flexible grommet, the flexible grommet being any of the flexible grommets described above.
According to the flexible wind-protecting ring, the base body is connected with the support, the inner ring of the wind-protecting ring is fixedly connected with the base body, and the damping pad is arranged between the base body and the support, so that the base body is not contacted with the support, and when the base body or the support vibrates, vibration can be buffered through the damping pad, vibration transmission is not directly realized, and base body cracking caused by unsynchronized movement of the base body and the support is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a flexible grommet provided by the present utility model;
FIG. 2 is a side view of a flexible grommet provided by the present utility model;
FIG. 3 is a cross-sectional view of a flexible grommet provided by the present utility model;
fig. 4 is a cross-sectional view of a shock pad provided by the present utility model.
Reference numerals:
1-substrate, 2-bracket, 201-upper bracket, 202-side bracket, 3-inner ring, 4-shock pad, 401-upper bushing, 402-lower bushing, 403-upper bushing wire mesh ring, 404-lower bushing wire mesh ring, 5-bolt and 6-elastic piece.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims at providing a flexible wind-protecting ring, and the damping pad arranged on the wind-protecting ring can effectively avoid the problem of cracking of a flexible wind-protecting ring base body of a fan.
Another core of the present utility model is to provide a fan comprising the flexible wind guard described above.
It should be noted that the directions or positional relationships indicated by "upper", "lower", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present application.
The application provides a flexible wind-protecting ring, which comprises a base body 1, an inner ring 3 and a shock pad 4;
Wherein, the basal body 1 is of a ring structure, and the basal body 1 is connected with the bracket 2;
the inner ring 3 is of a tubular structure and is fixedly connected with the matrix 1;
the shock pad 4 is arranged between the base body 1 and the bracket 2, and the base body 1 and the bracket 2 are detachably connected through the shock pad 4.
Specifically, the base 1 is of an annular structure, the base 1 is connected with the support 2 at a plurality of positions, the base 1 is fixedly connected with the inner ring 3, namely the inner ring 3 can be indirectly connected with the support 2 through the base 1, the inner ring 3 is generally sleeved on the fan protection cover, after the fan is started, the fan blades can drive the protection cover and the inner ring 3 to generate certain vibration, the inner ring 3 is fixedly connected with the base 1 and synchronously vibrates, but a shock pad 4 is arranged between the support 2 and the base 1, vibration of the base 1 can be relieved through the shock pad 4, and the problem of cracking of the base 1 can be effectively avoided.
On the basis of the above embodiment, the shock pad 4 includes the upper bushing 401, the lower bushing 402, the upper bushing wire mesh ring 403 and the lower bushing wire mesh ring 404 are provided between the upper bushing 401 and the lower bushing 402, and the base 1 is provided between the upper bushing wire mesh ring 403 and the lower bushing wire mesh ring 404.
Specifically, the shock pad 4 is an i-shaped structure, the shock pad 4 is formed by combining an upper bushing 401 and a lower bushing 402, an upper bushing wire mesh ring 403 and a lower bushing wire mesh ring 404 are arranged between the upper end surface and the lower end surface of the shock pad 4, the upper bushing wire mesh ring 403 and the lower bushing wire mesh ring 404 are clamped on two sides of the base body 1, a good buffering effect can be achieved, it is to be noted that the lower end surface of the upper bushing 401 and the lower end surface of the upper bushing wire mesh ring 403 are flush, and the clamping of the base body 1 is achieved through the cooperation of the lower end surface of the upper bushing 401, the upper bushing wire mesh ring 403 and the lower bushing 402, so that a shock absorption effect is ensured.
On the basis of the above embodiment, the upper bushing 401 and the lower bushing 402 are both annular structures with holes in the middle, and the shock pad 4 is detachably connected with the bracket 2 through bolts 5 and nuts.
Specifically, the inner end surface of the lower bushing 402 is provided with a chamfer to facilitate the passage of the bolts 5, the lower bushing 402 and the upper bushing 401 respectively pass through both sides of the through hole on the base 1, the bolts 5 pass through the base 1 and the bracket 2, and the nuts are matched to realize the detachable connection of the bracket 2 and the base 1.
On the basis of the embodiment, the upper bushing 401 is sleeved on the lower bushing 402, the upper bushing 401 and the lower bushing 402 are detachably connected, the upper bushing wire mesh ring 403 is sleeved on the periphery of the upper bushing 401, and the lower bushing wire mesh ring 404 is sleeved on the periphery of the lower bushing 402.
Specifically, in the installation process, the lower bushing 402 needs to pass through the through hole, the upper bushing 401 is directly sleeved at the end part of the lower bushing 402, which passes through the through hole, the positioning between the upper bushing 401 and the lower bushing 402 is realized by tightening the bolts 5 and the nuts, and in addition, the upper bushing wire mesh ring 403 and the lower bushing wire mesh ring 404 are detachably connected with the bushing, and the limiting is realized through the circumferential end surface of the bushing.
On the basis of the above embodiment, the base 1 is provided with an arc-shaped protruding portion, and the shock pad 4 is provided on the protruding portion so that the central axis of the shock pad 4 is parallel to the central axis of the inner ring 3.
Specifically, referring to fig. 1, the upper and lower ends of the base 1 are provided with protrusions, which may be symmetrical about the center of the base 1, and the protrusions may enable the center lines of the main body portions of the base 1 and the inner ring 3 to be parallel to the center line of the bolt 5, so as to facilitate the installation of the wind protection ring.
On the basis of the above embodiment, the cross sections of the upper bushing 401 and the lower bushing 402 are of T-shaped structures, the protruding portion is provided with a perforation, one end of the lower bushing 402 penetrating through the perforation is the same as the shape and the size of the perforation, and one end of the upper bushing 401 sleeved on the periphery of the lower bushing 402 is matched with the lower bushing 402.
Specifically, the perforations are generally provided as circular holes, and the cross-sections of the upper bushing 401 and the lower bushing 402 are T-shaped, so that both bushings can pass through the perforations, the diameter of the central column portion of the lower bushing 402 is the same as the diameter of the perforations, and the inner diameter of the central portion of the upper bushing 401 is the same as the outer diameter of the lower bushing 402, so as to ensure that both bushings can fit with the perforations and clamp the perforations.
On the basis of the above embodiment, the bracket 2 includes the upper bracket 201 and two side brackets 202, the upper bracket 201 is disposed in cooperation with two shock pads 4, and the side brackets 202 are disposed in cooperation with one shock pad 4.
Specifically, the upper bracket 201 is disposed right above the base 1, the two side brackets 202 are disposed at lower positions on two sides of the base 1, the three brackets are in a triangular structure to achieve connection with the base 1, and can greatly improve structural stability, and for the upper bracket 201, connection with the base 1 is achieved through two bolts and two nuts, so that two shock pads 4 are required to be disposed for matching installation, and only one bolt and one nut are required for the side brackets 202, namely only one shock pad 4 is required.
In some embodiments, the base 1 and the inner ring 3 are fixedly connected by welding, and an elastic member 6 is disposed between the base 1 and the inner ring 3.
Specifically, referring to fig. 3, the base 1 and the inner ring 3 are connected by annular welding, a small groove is formed between the base 1 and the inner ring 3, and an elastic member 6 is disposed in the groove, and in general, the elastic member 6 is a rubber ring, which is compressed when clamped due to its elasticity, so that compensation can be provided in the external environment where the welding parts are connected to each other, thereby increasing the strength and density of the welding seam. This makes welded structure stronger, can resist bigger external force and internal force, and in addition, the rubber circle has good elasticity and shock-absorbing performance, can reduce vibration and noise when the machine is in operation.
Based on the embodiment, the materials of the base body 1 and the inner ring 3 are DC01 cold-rolled low-carbon steel, and the thickness is 1.5mm.
Specifically, the substrate 1 and the inner ring 3 are made of DC01, the thickness of the substrate is generally 1.5mm, and compared with an aluminum alloy section bar in the welding process of the inner ring 3, the substrate is better in reliability and higher in yield, the total mass of the flexible wind protection ring can be reduced by 30%, and the cost can be reduced by at least 60%.
In addition to the flexible wind-protecting ring, the present utility model further provides a fan including the flexible wind-protecting ring disclosed in the above embodiment, and the structure of other parts of the fan is referred to the prior art, and will not be described herein.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The flexible wind-protecting ring and the fan provided by the utility model are described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (10)
1. A flexible grommet, comprising:
the base body (1) is of an annular structure, and the base body (1) is connected with the bracket (2);
The inner ring (3) is of a tubular structure and is fixedly connected with the matrix (1);
The damping pad (4) is arranged between the base body (1) and the support (2), and the base body (1) is detachably connected with the support (2) through the damping pad (4).
2. The flexible wind shield according to claim 1, wherein the shock pad (4) comprises an upper bushing (401), a lower bushing (402), an upper bushing wire mesh ring (403) and a lower bushing wire mesh ring (404), the upper bushing wire mesh ring (403) and the lower bushing wire mesh ring (404) being arranged between the upper bushing (401) and the lower bushing (402), the base body (1) being arranged between the upper bushing wire mesh ring (403) and the lower bushing wire mesh ring (404).
3. The flexible wind-protecting ring according to claim 2, wherein the upper bushing (401) and the lower bushing (402) are of annular structures with holes in the middle, and the shock pad (4) is detachably connected with the bracket (2) through bolts (5) and nuts.
4. A flexible wind shield according to claim 3, wherein the upper bushing (401) is sleeved on the lower bushing (402), the upper bushing (401) is detachably connected with the lower bushing (402), the upper bushing wire mesh ring (403) is sleeved on the periphery of the upper bushing (401), and the lower bushing wire mesh ring (404) is sleeved on the periphery of the lower bushing (402).
5. The flexible wind-guard according to claim 4, characterized in that the base body (1) is provided with an arc-shaped protruding portion, and the shock pad (4) is provided on the protruding portion so that the central axis of the shock pad (4) is parallel to the central axis of the inner ring (3).
6. The flexible wind-protecting ring according to claim 5, wherein the cross sections of the upper bushing (401) and the lower bushing (402) are of T-shaped structures, the protruding portion is provided with a through hole, one end of the lower bushing (402) penetrating through the through hole is the same as the shape and the size of the through hole, and one end of the upper bushing (401) sleeved on the periphery of the lower bushing (402) is matched with the lower bushing (402).
7. The flexible wind ring according to claim 6, wherein the bracket (2) comprises an upper bracket (201) and two side brackets (202), the upper bracket (201) is matched with two shock-absorbing pads (4), and the side brackets (202) are matched with one shock-absorbing pad (4).
8. Flexible wind-shield according to claim 1, characterized in that the base body (1) and the inner ring (3) are fixedly connected by means of welding, and that an elastic element (6) is arranged between the base body (1) and the inner ring (3).
9. A flexible wind-shield according to any of claims 1 to 8, characterized in that the material of the base body (1) and the inner ring (3) is DC01 cold-rolled low carbon steel, with a thickness of 1.5mm.
10. A fan comprising a flexible grommet, wherein the flexible grommet is as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422772279.7U CN223203131U (en) | 2024-11-13 | 2024-11-13 | Flexible wind-protecting ring and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422772279.7U CN223203131U (en) | 2024-11-13 | 2024-11-13 | Flexible wind-protecting ring and fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223203131U true CN223203131U (en) | 2025-08-08 |
Family
ID=96602160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422772279.7U Active CN223203131U (en) | 2024-11-13 | 2024-11-13 | Flexible wind-protecting ring and fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223203131U (en) |
-
2024
- 2024-11-13 CN CN202422772279.7U patent/CN223203131U/en active Active
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