KR200497125Y1 - Bracket structure for air spring vehicle installation - Google Patents

Abstract

The present invention relates to a bracket structure for installing an air spring to a vehicle that can be mounted on a vehicle body by minimizing the stress on the air spring without depending on the model of the vehicle or the skill level of the operator. In the bracket structure fastened to the lower part to enable mounting on the vehicle body (C), the bracket structure is the upper bracket member 200 installed on the upper plate 110 of the air spring 100 and the air spring 100 It includes a lower bracket member 300 installed on the lower plate 120, but the upper bracket member 200 is vertically connected to the upper fixing plate 210 fixedly installed with the upper plate 110 and the upper fixing plate 210. At least one of the upper extension plate 220, the upper fixing plate 210, and the upper extension plate 220 installed to have a length in the direction is perforated, and the vehicle body (C) or the air spring is formed through the fastening means (P). The air nozzle 130 provided in the air spring 100 is drilled in at least one of the first fastening hole 230 fixed to the 100, the upper fixing plate 210 or the upper extension plate 220, and It includes a first through hole 240 through which an air nozzle 130 is inserted so that air hoses can be interconnected, and the lower bracket member 300 includes a lower fixing plate 310 fixedly installed with the lower plate 120, It is characterized by including a plurality of second fastening holes 340 perforated in the lower fixing plate 310 so that 'U'-shaped bolts (B) for fixing with the vehicle body (C) are inserted through.

Description

Bracket structure for air spring vehicle installation}

The present invention relates to a bracket structure for installing an air spring vehicle that can be mounted on a vehicle body by minimizing stress on an air spring without depending on the model of the vehicle or the skill level of the operator.

In general, the air suspension of an automobile connects an axle and a vehicle body to prevent damage to the vehicle body and cargo by controlling the vibration or impact that the axle receives from the road surface during driving so that it is not directly transmitted to the vehicle body. , a device that improves riding comfort, the contents of which are as follows.

As shown in FIG. 1, the air suspension device 1 is roughly divided into a hanger 10, a trailing arm 20, an axle shaft 30, an air spring 40, and a lift bag 45.

The hanger 10 is disposed side by side on both sides of the lower part of the vehicle, not shown, and is formed in a rectangular cylinder shape when viewed from a plane, and one end of a trailing arm 20 to be described later is hinged to the middle part , the lift bag 45 is disposed at the lower end.

As shown, the trailing arm 20 is formed in a shape bent twice in a right angle direction when viewed from one side, one end is hinged to the middle part of the hanger 10, and the other end is an air spring to be described later It is arranged to support the lower end of (40).

On the other hand, a support plate 25 is disposed at one end of the towing arm 20 in the upper and lower directions, and the support plate 25 is used in an emergency that may occur during driving, in other words, when the towing arm 20 is damaged. This is to be able to perform the role of the trailing arm 20 for a while in order to cope with an emergency in which the axle shaft 30 is separated.

When this support plate 25 is viewed from one side, one end is disposed in the vertical direction of a “c” shape as if wrapping one end of the trailing arm 20, and the other end is arranged in the upper and lower directions by a fixing bolt 39 to be described later. It penetrates and is fixed with one trailing arm 20.

As described above, the axle shaft 30 is mounted in the middle of the trailing arm 20 by the arm seat 31, the top plate 33, the "U" bolt 35 and the fixing bolt 39, there is.

Wheels (not shown) are mounted on both ends of the axle shaft 30 so that the load of the vehicle can be distributed to the road while driving, and when the load is small, it is lifted upward by a lift bag 45 to be described later to reduce wheel wear. can also be prevented.

Meanwhile, the lift bag 45 is disposed between the above-described upper part of the hanger 10 and the lower part of the trailing arm 20 .

The lift bag 45 is fixed by a lift bracket LTB having one end mounted on the lower part of the trailing arm 20 and the upper part of the arm seat 31.

Referring to FIG. 2, a conventional lift bracket LTB includes first and second brackets BK1 and BK2 and a fixing bracket FF.

The first bracket (BK1) is composed of a mounting plate (PN) and a support frame (SF).

The mounting plate (PN) is formed in a circular shape so as to face the upper surface of the lift bag (45), and a bolt hole (BH) is formed on the edge concentrically with a tab (not shown) formed on the upper part of the lift bag (45). is formed

A support frame SF is disposed above the mounting plate PN, and when viewed from one side, the support frame SF is bent in a “┏┓” shape, but the support angle of the hanger 10 shown The length of the front end and the rear end is formed differently according to, and the auxiliary frame (BF) is also mounted in the orthogonal direction.

On the inside of the auxiliary frame (BF), a fastening bracket (JB) having a bolt hole (BH) is disposed so that it can be coupled by a second bracket (BK2), which will be described later, and bolts and nuts (BN). This fastening bracket (JB) ) A bolt hole (BH) is formed on the upper side of the bolt hole (BH) to facilitate bolt fastening with a fixing bracket (FF) to be described later.

The second bracket BK2 includes first and second horizontal parts HO1 and HO2 and vertical parts VE.

The first horizontal part HO1 is a portion that is fastened by face-to-face with the above-described fastening bracket JB, and has a bolt hole BH formed concentric with the bolt hole BH formed in the fastening bracket JB.

A vertical portion VE is formed integrally with the first horizontal portion HO1, and a second horizontal portion HO2 is integrally connected with the vertical portion VE.

The second horizontal portion HO2 is disposed below the trailing arm 20 and the support plate 25, and the fixing bolt 39 passing through the trailing arm 20 and the support plate 25 passes through. A bolt hole (BH) is formed so that it can be.

On the other hand, a fixing bracket (FF) is disposed above the support frame (SF) of the first bracket (BK1), and bolt holes (BH) formed in the support frame (SF) are formed at both ends of the fixing bracket (FF). A bolt hole (BH) is formed concentric with the bolt hole (BH) to support the above-described trailing arm 20 and support plate 25 by bolts and nuts (BN), and also, of the lift bag 45 By rotating the trailing arm 20 up and down by the action, the axle load transmitted to the wheel can be reduced.

However, since the above-described lift bracket (LTB) structure simultaneously surrounds the above-described trailing arm 20 and support plate 25, it can replace its role even for a while when the trailing arm 20 is damaged. There was a problem in that the upper and lower parts of the support plate 25 increased wear due to friction and became vulnerable.

In addition, in order not to affect the role of the support plate 25 as described above, the support frame SF and the fixing bracket FF of the first bracket BK1 that are interviewed on the upper and lower parts of the support plate 25 are installed. Since the connecting bolts and nuts (BN) could not be firmly tightened, the risk of large-scale safety accidents caused by the separation of the bolts and nuts (BN) was inherent.

Furthermore, the lift bracket (LTB) as described above has a problem in that manufacturing productivity is reduced because it is not easy to assemble as its configuration is complicated.

Furthermore, for the same reason as described above, there was a problem that the manufacturing cost was formed too high.

In order to solve the above problems, domestic registration office No. 20-0458654, "Lift Bracket for Fixing Lift Bag of Air Suspension Device" has been disclosed.

However, this prior art also has the problem that it is still not easy to configure the installation without a skilled worker, so that a considerable amount of working time is expected, and the contents of the resulting increase in manufacturing cost and labor cost are still not solved. .

In order to solve the above-mentioned conventional problems, the present invention aims to provide ease of quickly installing the air spring to the vehicle body regardless of the operator's skill level or the structural difference according to the model of the vehicle.

In order to solve the above technical problem, the air spring vehicle installation bracket structure according to the present invention is a bracket structure that is fastened to the upper and lower parts of the air spring 100 to enable mounting on the vehicle body (C), the bracket structure Including an upper bracket member 200 installed on the upper plate 110 of the air spring 100 and a lower bracket member 300 installed on the lower plate 120 of the air spring 100, the upper bracket member ( 200) is an upper fixing plate 210 fixedly installed with the upper plate 110, an upper extension plate 220 installed to have a length in the vertical direction connected to the upper fixing plate 210, the upper fixing plate 210 or the upper A first fastening hole 230 formed in at least one of the extension plates 220 and fixed to the vehicle body C or the air spring 100 through the fastening means P, the upper fixing plate 210 or the upper part A first through hole 240 formed in at least one of the extension plates 220 and through which the air nozzle 130 is inserted so that the air nozzle 130 provided in the air spring 100 and the air hose can be interconnected. The lower bracket member 300 includes a lower fixing plate 310 fixedly installed with the lower plate 120, and a 'U'-shaped bolt B for fixing to the vehicle body C is inserted through the lower part. It is characterized by including a plurality of second fastening holes 340 formed in the fixing plate 310.

In addition, the outer surface of the lower fixing plate 310 further includes a second through hole 350 through which the air nozzle 130 passes, but the second through hole 350 is formed by at least one spacer 320 It is preferable to enable a pipe connection between the nozzle 130 and the air hose.

In addition, it is preferable to further include a flat plate 330 fixedly installed with the lower plate 120 by the fastening means (P) at the top of the spacer 320.

In addition, it is preferable that an opening 341 is formed on one side of the second fastening hole 340 to facilitate entry and exit between the lower fixing plate 310 and the U-shaped bolt (B).

According to the present invention, an upper bracket member is mounted on the top of the air spring so that the stress received by a conventional air spring whose outer surface is covered with a rubber material having elasticity and elasticity by the air pressure injected differentially from the prior art can be minimized. In addition, a lower bracket member is mounted on the lower part, so that it can be fixedly mounted with the vehicle body by means of a U-shaped bolt and a fastening means.

In addition, unlike the prior art, an air spring can be installed to enable injection of air pressure without deformation of the shape of the upper bracket member and the lower bracket member in various types of trucks that support loads by leaf springs. .

1 and 2 are views showing the prior art.
3 is a view in which the bracket structure for installing an air spring vehicle according to the present invention is mounted on a vehicle body.
4 is a view showing an upper bracket member for a bracket structure for installing an air spring vehicle according to the present invention.
5 is a view showing a lower bracket member for a bracket structure for installing an air spring vehicle according to the present invention.
6 is a view showing a state in which the bracket structure of FIG. 3 is separated from the vehicle body;

Hereinafter, various embodiments will be described in more detail with reference to the accompanying drawings. The embodiments described in this specification may be modified in various ways. Certain embodiments may be depicted in the drawings and described in detail in the detailed description. However, specific embodiments disclosed in the accompanying drawings are only intended to facilitate understanding of various embodiments. Therefore, the technical idea is not limited by the specific embodiments disclosed in the accompanying drawings, and it should be understood to include all equivalents or substitutes included in the spirit and technical scope of the invention.

Terms including ordinal numbers, such as first and second, may be used to describe various components, but these components are not limited by the above terms. The terminology described above is only used for the purpose of distinguishing one component from another.

In this specification, terms such as "comprise" or "having" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded. It is understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, but other elements may exist in the middle. It should be. On the other hand, when an element is referred to as “directly connected” or “directly connected” to another element, it should be understood that no other element exists in the middle.

In addition, in describing the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be abbreviated or omitted.

Hereinafter, a bracket structure for installing an air spring vehicle according to the present invention (hereinafter, simply referred to as 'bracket structure') will be described in detail with reference to the accompanying drawings. Prior to the description, the air spring 100 described below is a conventional air spring 100 that can cause variable constants that vary the degree of air pressure injected through an air hose (not shown) and an air nozzle 130 according to the weight loaded on the vehicle. It means the air spring 100 of the bellows type, and a detailed description thereof is omitted, and the car body (C) in the present invention is described as an example of a truck, but is not limited thereto, and a van or a van as needed Note that it is a bracket structure that can be installed in a car.

First, as shown in FIGS. 3 to 6, the bracket structure 1 according to the present invention includes an upper bracket member 200 mounted on the upper plate 110 formed on the upper part of the air spring 100 and the air spring (100) includes a lower bracket member 300 mounted on a lower plate 120 formed at a lower portion, and the body of the air spring 100 through the upper bracket member 200 and the lower bracket member 300 At the same time as being stably fixedly mounted on the pipe (PIPE) connection between the air hose entering from the outside and the air nozzle 130 is facilitated, the supply of air to be injected into the air spring 100 is facilitated.

More specifically, the upper bracket member 200 is configured to allow the air spring 100 to be fixedly mounted to the vehicle body together with the lower bracket member 300 to be described later, and includes an upper fixing plate 210 and an upper extension. It includes the plate 220, the first fastening hole 230 and the first through hole 240.

For example, as shown, the upper fixing plate 210 is molded to have the shape of a plate as a whole using a steel material having durability against corrosion, and the upper plate 110 and the upper plate 110 formed on the lower surface of the air spring 100 and bolts or screws It is fixed by a fastening means (P) such as the like.

At this time, on the outer surface of the upper fixing plate 210, the air hose extending from the outside and the air nozzle 130 protruding to the outside of the upper plate 110 in communication with the inside of the air spring 100 are easily connected to each other, so that the air nozzle ( It is preferable that the first through hole 240 through which 130) passes is perforated.

In addition, as shown, the upper extension plate 220 is made of the same material as the upper fixing plate 210 so that its lower end is connected to the upper surface of the upper fixing plate 210 by welding and has a length in the vertical direction in the vertical direction. It protrudes upward to have the shape of a plate having a length.

On the outer surface of the upper extension plate 220, at least one first fastening hole 230 for coupling the upper bracket member 200 in the present invention to the vehicle body C is perforated, and through the fastening, the air spring 100 It has a structure that can be mounted on a vehicle together with the lower bracket member 300 to be described later.

In addition, the first fastening hole 230 in the present invention is formed in the upper extension plate 220, but the first through hole 240 is described as an example in which a hole is formed in the upper fixing plate 210, but is limited thereto It is not, and it is also possible to be formed together on the upper fixing plate 210 and the upper extension plate 220 according to the operator's choice.

In addition, the lower bracket member 300 is configured to allow the air spring 100 to be fixedly mounted to the vehicle body C together with the upper bracket member 200 described above, and includes a lower fixing plate 310, a spacer ( 320), a flat plate 330, a second fastening hole 340, and a second through hole 350.

For example, as shown, the lower fixing plate 310 is molded to have the shape of a plate as a whole using the same material as the upper fixing plate 210, but the upper surface thereof is coupled to the lower plate 120 and the fastening means (P ) is fixed by

At this time, a U-shaped bolt (B) is inserted through the outer surface of the lower fixing plate 310 so that the leaf spring provided in the vehicle body is wrapped, so that the air spring 100 equipped with the upper bracket member 200 is stably attached to the vehicle body (C). A second fastening hole 340 is drilled so that it can be fixedly mounted, and as shown in the second fastening hole 340, a pair of U-shaped bolts (B) are attached to one lower fixing plate 310. It is preferable to form a plurality of perforations so that they can be fastened.

In addition, the second fastening hole 340 in the present invention, as shown, allows the U-shaped bolt (B) to easily enter and exit the lower fixing plate 310 through the second fastening hole 340. An opening 341 extending from the inner surface of the second fastening hole 340 to the end of the lower fixing plate 310 is formed.

Thus, the operator uses a pair of U-shaped bolts (B) to mount the lower bracket member 300 in the present invention to the vehicle body (C), a pair of second fastening holes in which the opening 341 is not formed After first penetrating the U-bolt (B) through the 340 and mounting it on the body (C), another U-bolt (B) is introduced through the opening 341 to determine the coupling with the body (C). make it easy

Furthermore, a second through hole 350 having the same purpose as the first through hole 240 described above may be additionally formed on the outer surface of the lower fixing plate 310, through which the operator can use an air hose extended from the outside. Depending on the length of the body (C) or the shape of the vehicle body (C), through the first through-hole 240 or the second through-hole 350, it is possible to connect the air nozzle 130 and the tube to be exposed to the outside.

On the other hand, on the upper surface of the lower fixing plate 310, the air nozzle 130 has a certain height so as to maximize the ease of coupling between the air nozzle 130 inserted through the second through hole 350 and the air hose. At least one spacer 320 may be further included so as to maintain a gap inserted into the second through hole 350 .

In addition, when the spacer 320 is formed on the upper surface of the lower fixing plate 310 (eg, the surface of the lower fixing plate facing each other), the contact between the spacer 320 and the lower plate 120 In order to solve the problem that the fixing force is lowered after the air spring 100 is mounted on the vehicle body (C) because the area is somewhat narrow, in the present invention, the outer surface of the spacer 320 is coupled to each other by welding, but metal A flat plate 330 made of a plate shape made of a material may be provided to interview the lower plate 120 with each other.

As described above, the bracket structure 1 according to the present invention minimizes the stress received by the conventional air spring 100 whose outer surface is covered with a rubber material having elasticity and elasticity by the air pressure injected differentially from the prior art. The upper bracket member 200 is mounted on the upper part of the air spring 100, and the lower bracket member 300 is mounted on the lower part so that the vehicle body (C) is formed by the U-shaped bolt (B) and fastening means (P). It may have the effect of enabling fixed mounting with.

In addition, unlike the prior art, the air spring 100 enables injection of air pressure without shape deformation of the upper bracket member 200 and the lower bracket member 300 in various types of trucks supporting loads by leaf springs. It will also include effects that can be equipped.

As described above, the present invention has been described by specific details such as specific components and limited embodiments and drawings, but this is provided to help a more general understanding of the present invention, and the present invention is not limited to the above embodiments. , Various modifications and variations from these descriptions are possible to those skilled in the art in the field to which the present invention belongs.

Therefore, the spirit of the present invention should not be limited to the described embodiments, and it will be said that not only the claims to be described later, but also all modifications equivalent or equivalent to these claims belong to the scope of the present invention. .

1: Bracket structure for air spring vehicle installation according to the present invention
100: air spring
110: top plate 120: bottom plate
130: air nozzle
200: upper bracket member
210: upper fixing plate 220: upper extension plate
230: first fastening hole 240: first through hole
300: lower bracket member
310: lower fixing plate 320: spacer
330: flat plate 340: second fastening hole
341: opening 350; 2nd through hole

Claims (4)

In the bracket structure that is fastened to the upper and lower parts of the air spring 100 to enable mounting on the vehicle body (C), the bracket structure
An upper bracket member 200 installed on the upper plate 110 of the air spring 100; and
Including; lower bracket member 300 installed on the lower plate 120 of the air spring 100;
The upper bracket member 200 includes an upper fixing plate 210 fixedly installed with the upper plate 110, an upper extension plate 220 installed to have a length in the vertical direction connected to the upper fixing plate 210, and the upper fixing plate ( 210) or the first fastening hole 230 formed through a hole in at least one of the upper extension plate 220 and fixed to the vehicle body (C) or the air spring 100 through the fastening means (P), the upper fixing plate ( 210) or at least one of the upper extension plate 220 is perforated, and the air nozzle 130 is inserted through so that the air nozzle 130 provided in the air spring 100 and the air hose can be connected to each other. Including a through hole 240,
The lower bracket member 300 is attached to the lower fixing plate 310 so that the lower fixing plate 310 fixedly installed with the lower plate 120 and the 'U'-shaped bolt B for fixing to the vehicle body C are inserted through the lower fixing plate 310. Including a plurality of perforated second fastening holes 340,
The outer surface of the lower fixing plate 310 further includes a second through hole 350 through which the air nozzle 130 passes, but the second through hole 350 is formed by at least one spacer 320 to form an air nozzle. Bracket structure for air spring vehicle installation, characterized in that to enable the pipe connection between (130) and the air hose.
delete According to claim 1,
An air spring vehicle installation bracket structure further comprising a flat plate 330 fixedly installed with the lower plate 120 by the fastening means (P) at the upper end of the spacer 320.
According to claim 1,
The second fastening hole 340 has an air spring vehicle installation bracket structure, characterized in that the opening 341 is formed on one side to facilitate entry and exit between the lower fixing plate 310 and the U-shaped bolt (B).

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