KR102463452B1 - Lever type Damper Clip and HVAC System thereby - Google Patents

Abstract

The damper clip (1) of the present invention is coupled to a steel clip (10) having a mass damper (20) through which a pipe passes, and a lock (Lock) for fixing the steel clip (10) or the steel clip (10) ) is composed of a lever 30 in which the unlock (Unlock) for releasing the fixation is rotated, and the air conditioner pipe 230 connected to the HVAC (Heating, Ventilation and Air Conditioning) 100 is connected to the mass damper 20 Convenience and productivity of the assembly process can be improved by rotating the lever 30 without a phenomenon of assembly torque deviation caused by screw tightening of the power tool by wrapping it with the body panel 400 and fixing it, and in particular, damage or damage to the mass damper 20 A feature of greatly improving NVH (Noise, Vibration, Harshness) performance is realized with sufficient absorption effect for vibration caused by the refrigerant and vibration transmitted from the body panel 400 due to deformation prevention.

Description

Lever type damper clip and integrated air conditioning system {Lever type Damper Clip and HVAC System thereby}

The present invention relates to a damper clip, and more particularly, to a lever-type damper clip and an integrated air conditioning system in which there is no assembly torque deviation caused by a power tool.

In general, performance improvement for NVH (Noise, Vibration, Harshness) inhibitors for vehicle marketability is a continuous demand.

In particular, HVAC (Heating, Ventilation and Air Conditioning), which is an integrated air conditioning system of a vehicle, is a subject that must be considered for NVH improvement as refrigerant circulates.

HVAC consists of an air conditioning system composed of a compressor, a condenser, and a TXV (thermostatic expansion valve) and a front and rear air conditioning system installed in the front and rear sides of the vehicle.

Therefore, the pipe layout of the air conditioner system generates noise by adding the vibration transmitted from the vehicle body and the vibration transmitted from the refrigerant flow rate passing through the front and rear air conditioner pipes, and the noise caused by the operation of the air conditioner system causes NVH deterioration.

Therefore, the pipe layout of the air conditioner system is a separate vibration response structure to prevent the deterioration of NVH due to the operation of the air conditioner system.

As an example, there is a vibration response method to which a damper clip is applied. The damper clip includes a steel clip fixed to the vehicle body by wrapping the air conditioner pipe, a rubber damper provided in the inner space of the clip to fill the space between the clip and the air conditioner pipe, and a screw fastening member fastened to the vehicle body to provide a fixing force to the clip (e.g., bolts and nuts).

As a result, the damper clip applied to the pipe layout of the air conditioner system absorbs and buffers the vibration transmitted from the refrigerant flow rate while also absorbing and buffering the vibration transmitted from the vehicle body, greatly reducing the degree of NVH deterioration caused by the operation of the air conditioner system.

Domestic Patent Publication No. 10-2016-0049835 (May 10, 2016)

However, the vibration response method inevitably has a chronic defect factor due to the assembly torque deviation in the assembly process by using the damper clip in which the clip fixing force is formed by fastening the screw.

In particular, the tightening of clips and bolts and nuts using tools (electric gun/air gun) requires the operator's concentration to adjust the assembly torque, and excessive torque due to the decrease in concentration causes the compression of the thickness by deforming the clip and crushing the rubber damper. occurs As a result, the compressed rubber damper becomes a hard part rather than an insulator, and acts as a vibration transmission medium rather than a vibration insulation function.

Therefore, the vibration response method using the damper clip, in which the clamping force of the clip is formed by fastening the screw, requires excessive assembly torque management, which is a relatively simple operation and leads to a decrease in productivity.

Accordingly, the present invention in consideration of the above points achieves productivity improvement with convenience without the assembly torque deviation phenomenon due to screw tightening of the power tool when the clip is fastened by forming the clip fixation using the rotation of the lever, and in particular, vibration after fastening the clip The purpose of this is to provide a lever-type damper clip and an integrated air conditioning system that can improve NVH through stable continuation of the absorption effect for transmitted vibration by preventing breakage or deformation of the mass damper that absorbs heat.

The damper clip of the present invention for achieving the above object includes a steel clip having a bent structure of a horizontal portion and a vertical portion; a mass damper coupled to the horizontal part and integrated with the steel clip, through which a pipe passes; a lever coupled to the vertical part, wherein a lock for fixing the steel clip or release for releasing the lock so that the steel clip is separated is performed by a rotation operation; characterized in that it is included.

In a preferred embodiment, the steel clip is composed of a base plate and an overlapping plate, the horizontal part is spaced apart from each other to form the damper space, and the vertical part is the base plate and the overlapping plate facing each other. to form the insert hole.

In a preferred embodiment, the lever is inserted into the insert hole and includes a fixer having a stepped surface forming a panel gap, a grip for rotation operation fixing or releasing the steel clip with the fixer, and the grip and the fixer are mutually exclusive It is composed of a lever body protruding in opposite directions, and the grip and the fixer are crossed to form a “+” shape.

In a preferred embodiment, a lever damper is provided between the steel clip and the lever.

In addition, the integrated air conditioning system of the present invention for achieving the above object is coupled to a steel clip having a mass damper and is coupled to a panel groove of a vehicle body panel to secure the steel clip or a lock for fixing the steel clip. a damper clip comprising a lever whose release is performed by rotational operation; In a section passing through the mass damper, an air conditioning system connected to an air conditioning pipe supported by the damper clip and a front and rear air conditioning system are included.

In a preferred embodiment, the damper clip further includes a lever damper, and the lever damper is interposed between the steel clip and the lever.

The present invention implements the following advantages and effects by applying the lever-type damper clip as a vibration response structure of an air conditioner system among an integrated air conditioning system.

First, by forming the clip fixing force by rotating the lever, the assembly torque management required for screwing using a power tool is not required. Second, the assembly process is simplified and productivity is greatly improved by not requiring assembly torque management. Third, the convenience of work is greatly improved by assembling and dismounting in the direction of rotation of the lever. Fourth, there is no rubber distortion due to the assembly torque deviation after fastening the clip, so the original vibration insulation function of the rubber damper is maintained. Fifth, the effect of improving the vibration insulation performance is improved in a simple way by the combination of the lever and the insulating rubber. Sixth, NVH (Noise, Vibration, Harshness) improvement continues by maintaining the vibration insulation function of the rubber damper. Seventh, by not using bolts, nuts, and power tools, the cost reduction due to the removal of hardware and the reduction of maintenance time and maintenance costs are reduced.

1 is an exploded view of the lever type damper clip according to the present invention, FIG. 2 is an assembly view of the lever type damper clip according to the present invention, and FIG. 3 is an example of an integrated air conditioning system to which the lever type damper clip according to the present invention is applied. , FIG. 4 is a working state in which a lever-type damper clip according to the present invention secures an air conditioner pipe to a body panel to provide a vibration insulation function to the air conditioner pipe.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying illustrative drawings, and since such an embodiment may be implemented in various different forms by those of ordinary skill in the art to which the present invention pertains, it will be described herein It is not limited to the embodiment.

Referring to FIG. 1 , the damper clip 1 includes a steel clip 10 , a mass damper 20 , and a lever 30 . In particular, the damper clip 1 is defined as a lever-type damper clip by applying a lever 30 that is locked and unlocked by rotating with the operator's finger.

Specifically, the steel clip 10 overlaps the base plate 11-1 and the overlapping plate 11-2 to each other and bends them in a “b” shape, and the horizontal portion (ie, horizontal section) of the “b” shape is The base plate 11-1 and the overlap plate 11-2 are separated to form a damper space 13 of a predetermined shape, whereas the vertical part (side, vertical section) bent by 90 degrees with respect to the horizontal part is formed by the base plate ( 11-1) and the overlapping plate 11-2 are overlapped with each other and the insert hole 15 is perforated. In particular, the base plate 11-1 and the overlapping plate 11-2 bend one part toward the other to form a fixing force to each other. Also, the damper space 13 has an elliptical long hole shape, and the insert hole 15 has a straight long hole shape. In addition, a plurality of ribs for reinforcing rigidity are formed on the base plate 11-1 and the overlapping plate 11-2. Therefore, the steel clip 10 is coupled to the pipe using the damper space 13 and to the lever 30 using the insert hole 15 .

Specifically, the mass damper 20 is made of an elliptical long hole-shaped body that penetrates the pipe through the large-diameter hole 21 and the small-diameter hole 23, and is made of a rubber material or a urethane material. The large-diameter holes 21 are positioned with a relatively thick elongated body, while the small-diameter holes 23 are positioned with a relatively thin elongated body, so as to be spaced apart from each other. In particular, the mass damper 20 may be expanded using either a large-diameter hole 21-side body or a small-diameter hole 23-side body, or may be formed of a completely separated upper and lower half body.

Specifically, the lever 30 is made of a lever cock (LEVER COCK) type. For example, the lever 30 forms an elongated grip 33 with a narrow width on one side with respect to the lever body 31 in the form of a disk, and at the same time forms an elongate fixer 35 with a narrow width on the opposite side. In particular, the grip 33 and the fixer 35 intersect 180 degrees with respect to each other to form a “+” shape. As a result, when the vertically erected grip 33 is rotated 90 degrees to position it horizontally, the fixer 35 is changed from a horizontal state to a vertically erected state.

Meanwhile, the damper clip 1 may include a steel clip 10 , a mass damper 20 , a lever 30 , and a lever damper 40 . To this end, the lever damper 40 has a circular shape having the same shape as that of the lever body 31 of the lever 30 , and a hole through which the fixer 35 passes is formed as a central region. In particular, since the through hole is made of a flexible material such as rubber or fiber and can be elastically deformed when the fixer 35 is coupled, its shape may be a circular or a long hole. Therefore, the lever damper 40 is positioned between the steel clip 10 and the lever 30 to absorb the transmitted noise and vibration, thereby further improving the damping performance of the damper clip 1 .

Referring to the assembled damper clip 1 of FIG. 2 , the steel clip 10 fixes the mass damper 20 and couples the lever 30 to be rotated.

Specifically, the steel clip 10 is integrated with the mass damper 20 and the lever 30 by coupling the mass damper 20 to the damper space 13 and coupling the lever 30 to the insert hole 15 . .

Then, the mass damper 20 maintains a fixed state with the steel clip 10 by its own elasticity while being inserted into the damper space 13 . In addition, the lever 30 rotates the grip 33 90 degrees in a state in which the fixer 35 is inserted into the insert hole 15 to form a "+" shape of the fixer 35 with respect to the insert hole 15. Keep the clip 10 and the fixed state. In particular, a stepped surface 35 - 1 is formed on the fixer 35 , and the stepped surface 35 - 1 is formed between the fixer 35 passing through the insert hole 15 and the rear surface of the steel clip 10 . The panel gap (t) is formed. As a result, the lever 30 absorbs the thickness of the body panel 400 at the panel gap t while the steel clip 10 is in close contact with the body panel 400 (refer to FIG. 3 ) to obtain a lock status. can be converted to

In addition, the steel clip 10 couples the mass damper 20 to the damper space 13 , the lever 30 to the insert hole 15 , and the lever between the steel clip 10 and the lever 30 . By interposing the damper 40 , it can be integrated with the mass damper 20 , the lever 30 , and the lever damper 40 .

3 and 4 show an example of a heating, ventilation and air conditioning (HVAC) 100 to which the damper clip 1 is applied.

Referring to FIG. 3 , the HVAC 100 connects the air conditioning system 200 , the front and rear air conditioning systems 300 - 1 and 300 - 2 , and the air conditioning system 200 to the front and rear air conditioning systems 300 - 1 and 300 - 2 respectively. It includes a damper clip 1 provided on the air conditioner pipe 230 .

Specifically, the air conditioner system 200 includes a compressor 210 and a condenser 220 , and is configured as a typical vehicle air conditioner system 200 . The front air conditioning system 300-1 is installed toward the front seat of the vehicle to perform air conditioning and heating control for the space in front of the vehicle (ie, the driver's seat and the front passenger's seat space), and the rear air conditioning system 300-2 is installed toward the rear seat of the vehicle. It is installed on the side to perform heating and cooling control for the rear space of the vehicle (ie, the rear seat space). The air conditioning pipe 230 connects the condenser 220 and the front air conditioning system 300 - 1 and the condenser 220 and the rear air conditioning system 300 - 2 respectively to the condenser 220 to the front air conditioning system 300 during cooling. -1) and the rear air conditioning system 300-2 respectively flow the cooling refrigerant. Therefore, the air conditioner pipe 230 is divided into a large-diameter pipe 230-1 and a small-diameter pipe 230-2 due to a difference in diameter through which refrigerant flows differently.

Specifically, the vehicle body panel 400 is formed at a position where the air conditioner pipes 230 are arranged, and a long hole-shaped panel groove 400 - 1 is formed at a position where the damper clip 1 is fastened.

Specifically, the damper clip 1 is composed of a steel clip 10 , a mass damper 20 , and a lever 30 , or a steel clip 10 , a mass damper 20 , a lever 30 , and a lever damper 40 . ) is the same component as the damper clip 1 described through FIGS. 1 and 2 by being composed of.

Referring to FIG. 4 , it can be seen the fastening state of the damper clip 1 applied to the HVAC 100 to absorb and block vibrations and externally transmitted vibrations according to the operation of the HVAC 100 .

The state before fastening of the damper clip 1 is as follows.

The mass damper 20 is fitted into the large-diameter pipe 230-1 using the large-diameter hole 21 and is also fitted into the small-diameter pipe 230-2 using the small-diameter hole 23. Then, the steel clip 10 is coupled to the air conditioner pipe 230 composed of the large and small diameter pipes 230-1 and 230-2 via the mass damper 20 fitted in the damper space 13 .

In the lever 30 , the fixer 35 fitted through the insert hole 15 passes through the steel clip 10 and exits into the panel groove 400 - 1 . Then, the steel clip 10 is positioned on the vehicle body panel 400 via the lever 30 fitted into the insert hole 15 . In this case, the vehicle body panel 400 is positioned at a panel interval t formed by the step surface 35 - 1 of the fixer 35 .

As a result, in the lever 30, the grip 33 is erected vertically like the front surface before fastening, while the fixer 35 is laid down horizontally, so that the fixing force of the lever 30 is not formed. is pre-assembled

The state after fastening of the damper clip 1 is as follows.

When the grip 31 of the lever 30 is rotated clockwise by 90 degrees, the lever 30 is switched from the non-operated state to the operating state, so that the grip 31 is laid down horizontally as in the front after fastening, whereas the fixer 35 ) is erected vertically like the back side after fastening. Then, the fixer 35 is caught on the body panel 400, thereby forming a binding force by the lever 30. As a result, the steel clip 10 is fixed to the body panel 400 by the binding force of the lever 30, thereby making The assembled state is converted to the assembled state.

Therefore, the assembly operation of the damper clip 1 can be simply completed only by rotating the lever 30 .

In addition, the vibration absorption and buffering action by the mass damper 20 or the mass damper 20 and the lever damper 40 of the damper clip 1 is the operation of the air conditioner system 200 when the HVAC 100 is operated, and the large and small diameter NVH performance is greatly improved by sufficiently absorbing the vibration transmitted from the refrigerant flow rate flowing through the pipes 230 - 1 and 230 - 2 and the vibration transmitted from the body panel 400 .

As described above, the damper clip 1 according to this embodiment is coupled to the steel clip 10 having the mass damper 20 through which the pipe passes, and a lock for fixing the steel clip 10 . However, the unlock (Unlock) for releasing the fixing of the steel clip (10) is composed of a lever (30) formed by rotation operation, and the air conditioner pipe (230) connected to the HVAC (100) is wrapped with a mass damper (20). By being fixed to the body panel 400, the convenience and productivity of the assembly process can be improved by rotating the lever 30 without the assembly torque deviation caused by the screw tightening of the power tool, and in particular, the mass damper 20 is prevented from being damaged or deformed. The NVH performance is greatly improved by a sufficient absorption effect for the vibration caused by the furnace refrigerant and the vibration transmitted from the body panel 400 .

1: damper clip 10: steel clip
11-1: base plate 11-2: overlapping plate
13: damper space 15: insert hole
20: mass damper 21: large diameter hole
23: small diameter hole 30: lever
31: lever body 33: grip
35: fixer 35-1: stepped surface
40: lever damper
100: HVAC (Heating, Ventilation and Air Conditioning)
200: air conditioning system 210: compressor
220: condenser 230: air conditioning pipe
230-1: large diameter pipe 230-2: small diameter pipe
300-1,300-2: front and rear air conditioning system
400: body panel 400-1: panel groove

Claims (14)

a steel clip having a bent structure of a horizontal portion and a vertical portion;
a mass damper coupled to the horizontal part and integrated with the steel clip, through which a pipe passes;
a lever coupled to the vertical portion, wherein a lock for fixing the steel clip or an unlock for releasing the lock so that the steel clip is separated is performed by rotation operation;
The lever includes a fixer inserted into the insert hole of the vertical portion, a grip for rotation operation for fixing or releasing the steel clip with the fixer, and a lever body in which the grip and the fixer protrude in opposite directions. Lever type damper clip.
The lever-type damper clip according to claim 1, wherein the steel clip forms a damper space in which the mass damper is coupled to the horizontal portion.
The method according to claim 2, wherein the steel clip is composed of a base plate and an overlapping plate, the base plate and the overlapping plate are spaced apart from each other to form the damper space of the horizontal portion, and the base plate and the overlapping plate are abutted to each other to form the vertical Lever type damper clip, characterized in that forming the insert hole of the negative.

The lever type damper clip according to claim 2, wherein the mass damper forms a large-diameter hole and a small-diameter hole through which the pipe passes.
The lever-type damper clip according to claim 4, wherein the mass damper is made of rubber or urethane.
delete The lever-type damper clip according to claim 1, wherein the grip and the fixer cross to form a “+” shape.
The lever-type damper clip according to claim 1, wherein the fixer is provided with a stepped surface forming a panel gap.
The lever damper clip according to claim 1, wherein a lever damper is provided between the steel clip and the lever.
A steel clip, a mass damper that is coupled to the steel clip to absorb vibration, and a lever in which a lock that fixes the steel clip to the body panel or unlock that separates the steel clip from the body panel is rotated damper clip;
an air conditioner pipe supported by the damper clip in a section passing through the mass damper;
The lever includes a fixer inserted into the insert hole of the vertical portion, a grip for rotation operation for fixing or releasing the steel clip with the fixer, and a lever body in which the grip and the fixer protrude in opposite directions. integrated air conditioning system.
The integrated air conditioning system according to claim 10, wherein a lever damper is interposed between the steel clip and the lever in the damper clip.
The integrated air conditioning system according to claim 10, wherein the lever is rotated by being coupled to a panel groove formed in the body panel.
The integrated air conditioning system according to claim 10, wherein the air conditioning pipe is arranged along the body panel to connect the air conditioning system and the front and rear air conditioning systems, respectively.
The integrated air conditioning system according to claim 13, wherein the air conditioner pipe comprises a large-diameter pipe and a small-diameter pipe.

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