CN110726009B

CN110726009B - Pipeline clamping structure and vehicle pipeline assembly

Info

Publication number: CN110726009B
Application number: CN201810781273.2A
Authority: CN
Inventors: 彭海良; 远藤充
Original assignee: Honda Motor China Investment Co Ltd
Current assignee: Honda Motor China Investment Co Ltd
Priority date: 2018-07-17
Filing date: 2018-07-17
Publication date: 2022-01-25
Anticipated expiration: 2038-07-17
Also published as: CN110726009A

Abstract

An embodiment of the present invention provides a pipe clamping structure and a vehicle pipe assembly, the pipe clamping structure including a clamping portion, a fixing portion, and a buffer portion disposed between the clamping portion and the fixing portion and completely separating the clamping portion and the fixing portion. Like this, through set up the buffer portion that can separate both completely between clamping part and fixed part, the transmission that can effectual reduction vibration reduces because the noise that the vibration produced to reduce the noise that transmits the cabin in, improve the NVH performance of vehicle and driver and crew's experience nature.

Description

Pipeline clamping structure and vehicle pipeline assembly

Technical Field

The invention relates to the field of vehicle application, in particular to a pipeline clamping structure and a vehicle pipeline assembly.

Background

Various ducts, for example, air conditioning ducts, are provided in the interior of the vehicle. In the starting and running processes of the vehicle and the use process of equipment such as an air conditioner and the like, the pipeline can vibrate, so that Noise is generated, the Noise is transmitted to the interior of the vehicle cabin through the pipeline, the Noise, Vibration and Harshness (NVH, Noise, Vibration and Harshness) performance of the vehicle is reduced, and the riding feeling of drivers and passengers is influenced.

FIG. 1 is a schematic view of a prior art vehicle duct assembly. As shown in fig. 1, the pipe assembly comprises a pipe 8 and a pipe fixing clamp, wherein the pipe fixing clamp comprises a U-shaped base 1 and a pipe clamp 2, and a bottom wall 2.3 of the pipe clamp is connected with a bottom plate of the U-shaped base 1 through a second connecting plate 11.

It should be noted that the above background description is only for the sake of clarity and complete description of the technical solutions of the present invention and for the understanding of those skilled in the art. Such solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the invention.

Disclosure of Invention

The inventor finds that, in the above-mentioned conventional pipe assembly, since the U-shaped base 1 and the pipe clamp 2 are connected by the second connecting plate 11, in the case that the pipe 8 vibrates, the pipe clamp 2 transmits the vibration to the U-shaped base 1 through the second connecting plate 11, and the U-shaped base 1 is fixed to the vehicle body, so that the vibration reduction and noise reduction effects are poor, and much noise is transmitted to the vehicle cabin, thereby reducing the NVH performance of the vehicle and affecting the riding feeling of the driver and passengers.

In order to solve the above problems, the present invention provides a pipe clamping structure and a vehicle pipe assembly, in which a buffer portion is provided between a clamping portion and a fixing portion to completely separate the clamping portion from the fixing portion, so that transmission of vibration can be effectively reduced, noise generated by vibration can be reduced, noise transmitted to a cabin can be reduced, and NVH performance of a vehicle and experience of a driver and a passenger can be improved.

According to a first aspect of embodiments of the present invention, there is provided a pipe gripping structure including a gripping portion, a fixing portion, and a cushioning portion provided between and completely separating the gripping portion and the fixing portion.

According to a second aspect of the embodiments of the present invention, wherein the cushioning portion is made of a flexible material, or the cushioning portion has an elastic structure.

According to the third aspect of the embodiments of the present invention, the shape of the cushioning portion is adapted to the shape of the surface of the fixing portion, which is in contact with the cushioning portion, and/or the shape of the cushioning portion is adapted to the shape of the surface of the clamping portion, which is in contact with the cushioning portion.

According to a fourth aspect of the embodiments of the present invention, the fixing portion has a first connecting portion and a connecting seat, the clamping portion has a second connecting portion and at least one clamping opening, the first connecting portion and the second connecting portion are connected, and the buffer portion is disposed between the first connecting portion of the fixing portion and the second connecting portion of the clamping portion.

According to the fifth aspect of the embodiments of the present invention, a snap connection is formed between the first connecting portion of the fixing portion and the second connecting portion of the clamping portion.

According to a sixth aspect of the embodiments of the present invention, the first connecting portion has a groove portion, and the second connecting portion has a stopper structure, and the stopper structure is engaged with the groove portion.

According to a seventh aspect of the embodiment of the present invention, a buckling structure is provided in the groove portion, and the buckling structure and the limiting structure cooperate with each other to form a snap connection.

According to an eighth aspect of the embodiments of the present invention, the first connecting portion further has a convex portion, and the second connecting portion further has a concave portion, and the convex portion is engaged with the concave portion.

According to a ninth aspect of the embodiments of the present invention, there is provided a vehicle pipe assembly including the pipe gripping structure according to any one of the first to eighth aspects of the embodiments of the present invention and at least one pipe, the gripping portion of the pipe gripping structure gripping the pipe.

According to a tenth aspect of the embodiments of the present invention, wherein the vehicle pipe assembly further comprises a bracket for fixing to a body of a vehicle, the fixing portion of the pipe clamp structure is fixed to the bracket.

The embodiment of the invention has the beneficial effects that: through set up the buffer portion that can separate both completely between clamping part and fixed part, the transmission that can effectual reduction vibration reduces because the noise that the vibration produced to reduce the noise that transmits the car cabin in, improve the NVH performance of vehicle and driver and crew's experience nature.

Further, the buffer portion is made of a flexible material, or the buffer portion has an elastic structure, so that transmission of vibration can be further reduced by the buffer portion of the flexible material or the elastic structure.

Further, the shape of the buffer part is matched with the shape of the surface of the fixing part, which is in contact with the buffer part, and/or the shape of the buffer part is matched with the shape of the surface of the clamping part, which is in contact with the buffer part, so that the buffer part can well cover and adhere to the surface of the fixing part and/or the clamping part, and the transmission of vibration is further reduced.

Further, the buffer part is arranged between the first connecting part and the second connecting part which are connected with each other, so that the buffer part can be firmly fixed between the fixing part and the clamping part.

Furthermore, the first connecting portion of the fixing portion and the second connecting portion of the clamping portion are connected through a buckle, so that firm connection can be conveniently carried out, fixation of the fixing portion and the clamping portion is enhanced, and falling off is prevented.

Further, the buckle position structure in the slot part of first connecting portion and the limit structure of second connecting portion carry out the buckle and connect, can be convenient carry out firm connection, further strengthen the fixed part and the fixed of clamping part to further prevent to drop.

Further, still carry out the block through convex part and concave part between first connecting portion and the second connecting portion and be connected, like this, can be convenient carry out firm connection, further strengthen the fixed of fixed part and clamping part to further prevent to drop.

Further, the vehicle pipe part comprises a pipe clamping structure and at least one pipe, and the pipe is clamped by the clamping part of the pipe clamping structure and can be fixed, so that vibration of the pipe is reduced, and noise is reduced.

Further, the vehicle pipeline assembly further comprises a support fixed on the vehicle body of the vehicle, and a fixing portion of the pipeline clamping structure is fixed on the support, so that the pipeline clamping structure is fixed on the vehicle body through the support, and stability of the clamping structure is improved.

Embodiments of the present invention are disclosed in detail with reference to the following description and the accompanying drawings. It should be understood that the embodiments of the invention are not so limited in scope. The embodiments of the invention include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments, in combination with or instead of the features of the other embodiments.

It should be emphasized that the term "comprises/comprising/comprises/having" when used herein, is taken to specify the presence of stated features, integers or components, but does not preclude the presence or addition of one or more other features, integers or components.

Drawings

The above and other objects, features and advantages of the embodiments of the present invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic view of a prior art vehicle duct assembly;

fig. 2 is a perspective view from the front of the pipe clamping structure of embodiment 1 of the present invention;

fig. 3 is a perspective view from the back of the pipe clamping structure of embodiment 1 of the present invention;

fig. 4 is an exploded view of a pipe clamping structure according to embodiment 1 of the present invention;

fig. 5 is a perspective view of the fixing portion according to embodiment 1 of the present invention;

fig. 6 is a perspective view of a vehicle duct assembly according to embodiment 2 of the invention;

fig. 7 is a perspective view of a partial structure of a vehicle duct assembly according to embodiment 2 of the invention.

Detailed Description

The foregoing and other features of the invention will become apparent from the following description taken in conjunction with the accompanying drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the embodiments in which the principles of the invention may be employed, it being understood that the invention is not limited to the embodiments described, but is intended to cover all modifications and equivalents as fall within the scope of the appended claims.

A pipe clamping structure and a vehicle pipe assembly according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

Example 1

Embodiment 1 of the present invention provides a pipe clamping structure.

In the present embodiment, the pipe gripping structure can be used in various fields, for example, gripping a pipe in a vehicle.

In the present embodiment, the duct may be various types of ducts, for example, an air conditioning duct.

In the present embodiment, in the embodiment of the present invention, the vehicle may be various kinds of vehicles, for example, the vehicle may be various kinds of automobiles, electric automobiles, agricultural vehicles, and the like.

Fig. 2 is a perspective view from a front perspective of a tube holding structure according to embodiment 1 of the present invention, fig. 3 is a perspective view from a back perspective of the tube holding structure according to embodiment 1 of the present invention, fig. 4 is an exploded view of the tube holding structure according to embodiment 1 of the present invention, and fig. 5 is a perspective view of a fixing portion according to embodiment 1 of the present invention.

As shown in fig. 2 to 5, the pipe clamping structure 100 includes a clamping portion 110, a fixing portion 120, and a buffer portion 130, and the buffer portion 130 is disposed between the clamping portion 110 and the fixing portion 120 and completely separates the clamping portion 110 and the fixing portion 120.

In the present embodiment, the gripping portion 110 is used to grip a pipe; the fixing portion 120 is used to be fixed to other body components, for example, a vehicle body; the buffer 130 serves to completely separate the clamping portion 110 and the fixing portion 120 to inhibit the vibration of the pipe from being transmitted to the fixing portion 120 through the clamping portion 110 and further to the body member.

In this way, by providing the buffer portion 130 between the clamping portion 110 and the fixing portion 120, which can completely separate the clamping portion from the fixing portion, the transmission of vibration can be effectively reduced, noise generated by vibration can be reduced, noise transmitted to the vehicle cabin can be reduced, and the NVH performance of the vehicle and the experience of the driver and the passengers can be improved.

In the present embodiment, the buffer portion 130 may be made of a flexible material, for example, the buffer portion 130 is made of rubber or plastic. Alternatively, the buffer portion 130 may have an elastic structure, for example, the buffer portion 130 may be formed of a sheet metal having a protrusion, or the buffer portion 130 may be formed of an elastic structure extending between the clamping portion 110 and the fixing portion 120 in a wave shape. In the present embodiment, the buffer portion 130 is made of a flexible material, but the present invention is not limited thereto.

In the present embodiment, as shown in fig. 3 and 4, the shape of the buffer portion 130 may be adapted to the shape of the surface of the fixing portion 120 contacting the buffer portion 130, the shape of the buffer portion 130 may be adapted to the shape of the surface of the clamping portion 110 contacting the buffer portion 130, and the shape of the buffer portion 130 may be adapted to the shape of the surface of the fixing portion 120 contacting the buffer portion 130 and the shape of the surface of the clamping portion 110 contacting the buffer portion 130 at the same time. In this way, the buffer portion 130 can favorably cover and adhere to the surface of the fixing portion 120 and/or the clamping portion 110, thereby further reducing the transmission of vibration.

In this embodiment, the fixing portion 120 may have a first connecting portion 121 and a connecting seat 122, the clamping portion 110 has a second connecting portion 111 and at least one clamping opening, the first connecting portion 121 and the second connecting portion 111 are connected, and the buffering portion 130 is disposed between the first connecting portion 121 of the fixing portion 120 and the second connecting portion 111 of the clamping portion 110.

In the present embodiment, as shown in fig. 2 to 5, the connection seat 122 is formed on a side of the first connection portion 121 away from the clamping portion 110, and a specific structure thereof may be designed according to actual needs, for example, it may be formed into a claw-shaped structure.

In the present embodiment, the thickness of the buffer portion 130 may be set according to actual needs, for example, the thickness of the buffer portion 130 is set to effectively suppress the transmission of vibration and ensure the smooth connection of the first connection portion 121 and the second connection portion 111.

In the present embodiment, the clamping portion 110 may have at least two clamping openings, and in the present embodiment, the clamping portion 110 has two clamping

openings

112 and 113 as an example. As shown in fig. 2 and 3, the grip portion 110 is provided with two

grip openings

112 and 113 along the longitudinal direction (Z direction).

Like this, through a pipeline centre gripping structure, can a plurality of pipelines of centre gripping, reduce cost has just improved the installation effectiveness.

In the present embodiment, the

grip openings

112, 113 may be formed in a substantially C-shape having an opening. Thereby being capable of well clamping the pipeline.

As shown in fig. 2, 3, and 4, the chucking holes 112 and 113 may have

groove portions

1121 and 1131 provided along the circumferential direction. Thus, the clamping opening can be ensured to have uniform thickness, so that the clamping force on the pipeline is uniform. The groove portions may be grooves bored in the width direction (Y direction), or grooves that are not bored and have a predetermined depth on the front surface and the back surface, respectively.

In this embodiment, the clamping portion 110 may further include

guide portions

1122, 1123, 1132, 1133 extending outward at the openings of the clamping

ports

112, 113. Therefore, the pipe can be guided when being inserted into the clamping opening, and the installation is convenient.

In the present embodiment, the first connection portion 121 of the fixing portion 120 and the second connection portion 111 of the clamping portion 110 may be in a snap connection, for example, as shown in fig. 3, 4 and 5, the first connection portion 121 of the fixing portion 120 and the second connection portion 111 of the clamping portion 110 are in a snap connection through sliding in the width direction (Y direction). Thus, the clamping portion 110 and the fixing portion 120 can be prevented from falling off by easily and firmly connecting.

In this embodiment, the first connection portion 121 may have a groove portion, and correspondingly, the second connection portion 111 may have a stopper structure, which is engaged with the groove portion. And, can be provided with in this slot part and detain the bit architecture, should detain the bit architecture and mutually support with this limit structure and form the buckle and be connected. For example, as shown in fig. 3, 4 and 5, the first connecting portion 121 has a first slot portion 1213 and a second slot portion 1214 at two ends in the length direction (Z direction), the first slot portion 1213 and the second slot portion 1214 have a first buckling structure 1211 and a second buckling structure 1212 respectively, correspondingly, the second connecting portion 111 has a first limiting structure 1111 and a second limiting structure 1112 at two ends in the length direction (Z direction), the first limiting structure 1111 is engaged with the first slot portion 1213, the second limiting structure 1112 is engaged with the second slot portion 1214, the first buckling structure 1211 and the first limiting structure 1111 are engaged with each other to form a snap connection, and the second buckling structure 1112 and the second limiting structure 1112 are engaged with each other to form a snap connection.

Thus, the buffer portion 130 can be more securely fixed between the clamping portion 110 and the fixing portion 120, and the clamping portion 110 and the fixing portion 120 can be more securely connected and attached.

In this embodiment, the first connecting portion 121 may further have a convex portion, and correspondingly, the second connecting portion 111 may further have a concave portion, and the convex portion is engaged with the concave portion.

For example, as shown in fig. 3, 4, and 5, the first connection part 121 may have a protrusion 1215 protruding in the thickness direction (X direction) toward the direction of the grip part 110 at an intermediate position in the length direction (Z direction), and the second connection part 111 may have a recess 1113 at an intermediate position in the length direction (Z direction), the protrusion 1215 engaging with the recess 1113. Thus, the buffer portion 130 can be more securely fixed between the clamping portion 110 and the fixing portion 120, and the clamping portion 110 and the fixing portion 120 can be more securely connected and attached.

In the present embodiment, the shapes and configurations of the first slot portion 1213, the second slot portion 1214 and the recessed portion 1113 are respectively adapted to the shapes and configurations of the first limit structure 1111, the second limit structure 1112 and the protruding portion 1215, and the specific configurations of these structures can be designed according to actual needs.

For example, as shown in fig. 4 and 5, the projection 1215 is formed as a T-stop and the recess 1113 is correspondingly formed as a slot with a notch 1114.

In the present embodiment, as shown in fig. 4 and 5, the first connection portion 121 may further have reinforcing

portions

1216, 1217 protruding in the thickness direction (X direction) toward the direction of the grip portion 110, the reinforcing

portions

1216, 1217 having

circular arc portions

1218, 1219 adapted to the shape of the

grip openings

112, 113. In this way, the reinforcing portion is formed on the side surface of the first connecting portion, the strength of the fixing portion can be enhanced, and the reinforcing portion has an arc portion adapted to the shape of the clamping opening so as not to affect the clamping of the pipe by the clamping opening.

In this embodiment, the number of the reinforced portions may be the same as the number of the holding openings.

According to the embodiment, the buffer part capable of completely separating the clamping part and the fixing part is arranged between the clamping part and the fixing part, so that the transmission of vibration can be effectively reduced, the noise generated by vibration is reduced, the noise transmitted to the vehicle cabin is reduced, and the NVH performance of the vehicle and the experience of drivers and passengers are improved.

Example 2

Embodiment 2 of the present invention provides a vehicle duct assembly. The vehicle pipe assembly has the pipe clamping structure as described in embodiment 1, and the specific structure of the pipe clamping structure will not be described repeatedly.

Fig. 6 is a perspective view of a vehicle duct assembly of embodiment 2 of the invention, and fig. 7 is a perspective view of a partial structure of the vehicle duct assembly of embodiment 2 of the invention.

As shown in fig. 6 and 7, the vehicle pipe assembly 200 includes a pipe clamping structure 100 and at least one pipe, the clamping portion 110 of the pipe clamping structure 100 clamping the pipe.

In this embodiment, the number of the pipes may be set according to actual needs. In the present embodiment, the two

pipes

210 and 220 are exemplified.

In the present embodiment, the duct may be various types of ducts provided in the vehicle, for example, an air conditioning duct.

For example, as shown in fig. 6, the clamping

ports

112, 113 of the clamping portion 110 clamp the

pipes

210, 220, respectively.

In this embodiment, the vehicle pipe assembly 200 may further include a bracket 230, the bracket 230 being configured to be fixed to a body 300 of the vehicle, and the fixing portion 120 of the pipe clamp structure 100 being fixed to the bracket 230. Like this for pipeline clamping structure passes through the support to be fixed on the automobile body, has improved this clamping structure's stability.

In the present embodiment, the bracket 230 may be fixed to the body of the vehicle by various methods, for example, by bolts.

For example, as shown in fig. 6 and 7, the fixing portion 120 has a connecting seat 122 on a side facing the bracket 230, the bracket 230 has a hole portion, and the connecting seat 122 is inserted into the hole portion to form an engaging structure. Therefore, firm connection can be conveniently carried out, the installation is convenient, and the installation efficiency is improved.

In the present embodiment, the specific structure of the connection seat 122 may be designed according to actual needs, and for example, may be formed as a claw-shaped structure.

According to the embodiment, the buffer part capable of completely separating the clamping part and the fixing part of the pipeline clamping structure is arranged between the clamping part and the fixing part, vibration generated by the pipeline can be restrained from being transmitted to the automobile body through the pipeline clamping structure, so that the vibration can be effectively reduced, noise generated by vibration is reduced, noise transmitted to the automobile cabin is reduced, and the NVH performance of the automobile and the experience of drivers and passengers are improved.

The embodiments of the invention have been described in detail above with reference to the accompanying drawings, which illustrate the manner in which the principles of the invention may be employed. It should be understood, however, that the practice of the present invention is not limited to the above-described embodiments, but includes all changes, modifications, equivalents, and the like, without departing from the spirit and scope of the present invention.

Claims

1. A pipeline clamping structure is characterized in that,

the pipeline clamping structure comprises a clamping part, a fixing part and a buffering part,

the buffer part is arranged between the clamping part and the fixing part and completely separates the clamping part from the fixing part,

the fixing part is provided with a first connecting part which is provided with a groove part, a buckling structure is arranged in the groove part, the clamping part is provided with a second connecting part which is provided with a limiting structure, the limiting structure and the buckling structure are mutually matched to form a buckling connection,

the first connecting part is also provided with a convex part, the second connecting part is also provided with a concave part, and the convex part is clamped with the concave part;

a connecting seat for connecting a support is arranged on one side, away from the second connecting part, of the first connecting part; one side of the second connecting part, which is far away from the first connecting part, is provided with two clamping openings;

a bulge which corresponds to the position of the connecting seat and is protruded along the direction opposite to the extending direction of the connecting seat is arranged on one side, close to the second connecting part, of the first connecting part, and the bulge is positioned between the two clamping openings; one side of the second connecting part, which is close to the first connecting part, is provided with a groove matched with the protrusion.

2. The tube gripping structure of claim 1,

the buffer part is made of a flexible material, or the buffer part has an elastic structure.

3. The tube gripping structure of claim 1,

the shape of the buffer part is adapted to the shape of the surface of the fixing part in contact with the buffer part, and/or the shape of the buffer part is adapted to the shape of the surface of the clamping part in contact with the buffer part.

4. The tube gripping structure of claim 1,

the buffer portion is disposed between the first connecting portion of the fixing portion and the second connecting portion of the clamping portion.

5. The tube gripping structure of claim 3,

the buffer portion is configured to have a step in a thickness direction from an intermediate position to an end portion.

6. The tube gripping structure of claim 1,

an avoidance area is arranged in the middle of the first connecting portion.

7. The tube gripping structure of claim 1,

the middle part of the buffering part is provided with a lug which is in contact with the convex part of the first connecting part.

8. The tube gripping structure of claim 1,

the side surface of the groove part close to the clamping part and the limiting structure are provided with overlapped parts in the length direction.

9. The tube gripping structure of claim 1,

the portion of the clamping portion that clamps the pipe is formed in the shape of a "C".

10. The tube gripping structure of claim 1,

the clamping openings are inclined relative to the thickness direction of the first connecting portion, the protruding portion is a T-shaped limiting structure protruding towards the clamping portion, and the T-shaped limiting structure is located between the two clamping openings.

11. The tube gripping structure of claim 1,

the limiting structure protrudes along the extending direction of the connecting seat, and the buckling structure protrudes along the direction opposite to the extending direction of the connecting seat.

12. The tube gripping structure of claim 1,

the groove part is provided with an opening, and the buckling structure is connected with one side of the opening; gaps are formed between the buckling structures and other edges of the opening.

13. The tube gripping structure of claim 1,

and a concave part is arranged at the position, corresponding to the buckling structure, of the second connecting part.

14. A vehicle pipe assembly, comprising the pipe gripping structure according to any one of claims 1-13 and at least one pipe,

the clamping portion of the tube clamping structure clamps the tube.

15. The vehicle duct assembly of claim 14,

the vehicle duct assembly further includes a bracket for securing to a body of a vehicle,

the fixing part of the pipe clamping structure is fixed on the bracket.