CN112051075A

CN112051075A - Door closing sound quality test auxiliary device and door closing sound quality test equipment

Info

Publication number: CN112051075A
Application number: CN202010907324.9A
Authority: CN
Inventors: 张永利; 杨光; 程金英; 阚培培; 张书同; 毛赛; 张传平; 李静; 温敏; 怀自力
Original assignee: Anhui Jianghuai Automobile Group Corp
Current assignee: Anhui Jianghuai Automobile Group Corp
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2020-12-08

Abstract

The invention discloses a door closing sound quality test auxiliary device, and relates to the technical field of performance tests. The door closing sound quality test auxiliary device comprises: a frame; the push rod is arranged on the rack, can move towards the direction close to the vehicle door and is used for pushing the vehicle door to a closed position; and the driving device is arranged on the rack and used for driving the push rod to move. The door closing sound quality test auxiliary device provided by the invention is simple in structure, high in automation degree and capable of accurately controlling the door closing force.

Description

Door closing sound quality test auxiliary device and door closing sound quality test equipment

Technical Field

The invention relates to the technical field of performance testing, in particular to a door closing sound quality testing auxiliary device and door closing sound quality testing equipment.

Background

The door is seen everywhere in people's daily life, and taking the car door as an example, with people's requirement for the riding comfort of car higher and higher, the quality of sound also determines the important factor of this customer's purchase. Therefore, sound quality design, especially door closing sound quality design, is increasingly emphasized by the main engine plant in automobile design.

The existing door closing sound quality test auxiliary device is low in automation degree and inaccurate in door closing force control.

Disclosure of Invention

The invention mainly aims to provide a door closing sound quality test auxiliary device and a door closing sound quality test device, and aims to provide an automatic door closing sound quality test auxiliary device capable of accurately controlling door closing force.

In order to achieve the above object, the present invention provides an auxiliary device for door closing sound quality test, comprising:

a frame;

the push rod is arranged on the rack, can move towards the direction close to the vehicle door and is used for pushing the vehicle door to a closed position; and the number of the first and second groups,

and the driving device is arranged on the rack and used for driving the push rod to move.

Optionally, the push rod has a first end and a second end which are opposite to each other, and the middle of the push rod is rotatably mounted on the frame, so that the first end and the second end rotate in opposite directions;

the driving device includes:

the cam is rotatably arranged on one side of the push rod, and in the rotating stroke of the cam, the peripheral wall of the cam is arranged in a manner of abutting against the side wall of the first end of the push rod in a sliding manner so as to enable the first end of the push rod to move towards the direction far away from the vehicle door; and the number of the first and second groups,

and the motor is connected with the cam and is used for driving the cam to rotate.

Optionally, the door closing sound quality test auxiliary device further comprises a resetting piece, wherein the resetting piece is connected to the rack and the push rod and used for keeping the cam and the push rod in abutting contact in a rotation stroke of the cam.

Optionally, the reset piece includes a first magnetic attraction part and a second magnetic attraction part which are respectively arranged on the rack and the push rod and are oppositely arranged, and the first magnetic attraction part and the second magnetic attraction part are the same in magnetism or opposite in magnetism.

Optionally, the cam and the reset piece are respectively arranged at two sides of the push rod, and the first magnetic attraction part and the second magnetic attraction part are arranged in the same magnetic manner.

Optionally, the first magnetic attraction part and the second magnetic attraction part are electromagnetic coils respectively.

Optionally, the door closing sound quality test auxiliary device further includes:

the support plate is arranged on the rack and is horizontally arranged, a sliding groove is formed in the support plate, and the sliding groove extends along the circumferential direction of the rotating shaft direction of the push rod; and the number of the first and second groups,

the support column extends along the vertical direction, one end of the support column is connected with the push rod, and the other end of the support column forms a sliding part in sliding fit with the sliding groove.

Optionally, the support post is disposed proximate to the second end.

Optionally, a second end of the push rod is provided with a pushing portion, the pushing portion extends towards the vehicle door, and a rubber layer is arranged at an end portion, away from the second end, of the pushing portion.

The invention further provides a door closing sound quality testing device, which comprises the door closing sound quality testing auxiliary device.

According to the technical scheme, the auxiliary device for testing the door closing sound quality is designed, the driving device is arranged, the push rod is pushed to move, so that the push rod pushes the vehicle door to a closed position, the automation of closing the vehicle door is realized, the manpower is liberated, and the efficiency is improved; in addition, the force of the driving device for pushing the push rod to move can be accurately controlled, so that the force for closing the car door is accurate, and the accuracy of the quality test of the door closing sound is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of a door closing sound quality test auxiliary device according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the support plate shown in FIG. 1;

fig. 3 is a schematic structural view of the supporting column shown in fig. 1.

The reference numbers illustrate:

100	door closing sound quality test auxiliary device	32	Electric machine
				1	Rack	4	Reset piece
2	Push rod	41	First magnetic part
				21	First end	42	Second magnetic part
22	Second end	5	Supporting plate
				221	Push part	51	Sliding chute
221a	Rubber layer	52	Mounting hole
				3	Drive device	6	Support column
31	Cam wheel	61	Sliding part

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front, rear, outer and inner … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The existing door closing sound quality test auxiliary device is low in automation degree and inaccurate in door closing force control. In view of this, the present invention provides an auxiliary device for door closing sound quality test and a device for door closing sound quality test, and aims to provide an automatic auxiliary device for door closing sound quality test, which can accurately control the door closing force. Fig. 1 is a schematic view of a door closing sound quality test auxiliary device according to an embodiment of the present invention; FIG. 2 is a schematic structural view of the support plate shown in FIG. 1; fig. 3 is a schematic structural view of the supporting column shown in fig. 1.

Referring to fig. 1, the door closing sound quality testing auxiliary device 100 according to the embodiment of the present invention includes a rack 1, a push rod 2 and a driving device 3, wherein the push rod 2 is disposed on the rack 1 and is movably disposed toward a direction approaching a door of the vehicle for pushing the door to a closed position; the driving device 3 is arranged on the frame 1 and used for driving the push rod 2 to move.

In the technical scheme of the invention, the auxiliary device 100 for testing the door closing sound quality is designed, and the driving device 3 is arranged to push the push rod 2 to move, so that the push rod 2 pushes the vehicle door to a closed position, the automation of closing the vehicle door is realized, the manpower is liberated, and the efficiency is improved; in addition, the force of the driving device 3 for pushing the push rod 2 to move can be accurately controlled, so that the force for closing the car door is accurate, and the accuracy of the quality test of the door closing sound is ensured. By using the device, the number of times of vehicle door test can be reduced, and the test efficiency is improved.

As for the form of the rack 1, the present invention is not limited, and may be integrally formed, or as shown in fig. 1 in the embodiment of the present invention, the rack 1 is formed by connecting three columns with each other through a plurality of connecting arms, and the columns are connected with the connecting arms through bolts, so that the three columns are arranged in a triangular shape, and each column is perpendicular to the ground, on one hand, the weight of the door closing sound quality test auxiliary device 100 is reduced, and on the other hand, the strength and stability of the door closing sound quality test auxiliary device 100 are increased.

In addition, the present invention is not limited to the movement form of the push rod 2, and preferably, referring to fig. 1, the push rod 2 has a first end 21 and a second end 22 which are oppositely arranged, and the middle of the push rod 2 is rotatably mounted to the frame 1, so that the first end 21 and the second end 22 are rotated in opposite directions.

Further, the driving device 3 includes a cam 31 and a motor 32, wherein the cam 31 is rotatably disposed at one side of the push rod 2, and during a rotation stroke of the cam 31, a peripheral wall of the cam 31 is slidably disposed against a sidewall of the first end 21 of the push rod 2, so as to move the first end 21 of the push rod 2 in a direction away from the door; the motor 32 is connected to the cam 31 for driving the cam 31 to rotate. The motor 32 is preferably a low-noise motor 32, the motor 32 drives the cam 31 to rotate, the first end 21 of the push rod 2 is pushed to move, the second end 22 is further enabled to move in the opposite direction, the vehicle door is pushed to close, and the structure is simple, convenient and easy to implement.

In order to prevent the rotating cam 31 from being disengaged from the push rod 2, in the embodiment of the present invention, referring to fig. 1, the door closing sound quality test assisting apparatus 100 further includes a reset member 4, and the reset member 4 is connected to the frame 1 and the push rod 2 and is used for keeping the cam 31 in abutment with the push rod 2 during the rotating stroke of the cam 31. Thus, the first end 21 of the push rod 2 can always keep in contact with the cam 31 and move along with the cam 31.

As to the specific form of the restoring member 4, the present invention is not limited, and preferably, referring to fig. 1, the restoring member 4 includes a first magnetic attraction portion 41 and a second magnetic attraction portion 42 respectively disposed on the frame 1 and the push rod 2 and disposed oppositely, and the first magnetic attraction portion 41 and the second magnetic attraction portion 42 have the same or opposite magnetism.

Referring to fig. 1, the cam 31 and the restoring member 4 are respectively disposed on two sides of the push rod 2, and the first end 21 of the push rod 2 including the magnetic attraction portion is pushed to keep in contact with the cam 31 due to the repelling of like magnetic poles.

Similarly, when the first magnetic attraction part 41 and the second magnetic attraction part 42 are opposite in magnetism, the cam 31 and the reset member 4 are disposed on the same side of the push rod 2, and due to opposite attraction, the first end 21 of the push rod 2 including the magnetic attraction parts is pulled to keep in contact with the cam 31.

Further, the first magnetic part 41 and the second magnetic part 42 are electromagnetic coils, respectively. The current in the electromagnetic coils can be adjusted as required, on one hand, the cam 31 can be kept in contact with the push rod 2 by the first magnetic part 41 and the second magnetic part 42, and on the other hand, the force applied to the vehicle door by the push rod 2 can be changed by changing the current in the two electromagnetic coils, so that the speed of the vehicle door at the closing moment can be controlled as required.

In order to enhance the stability of the door closing sound quality testing auxiliary device 100, please refer to fig. 1 to 3, the door closing sound quality testing auxiliary device 100 further includes a supporting plate 5 and a supporting pillar 6, wherein the supporting plate 5 is disposed on the frame 1 and horizontally disposed, a sliding slot 51 is disposed on the supporting plate 5, and the sliding slot 51 extends along the circumferential direction of the rotating shaft direction of the push rod 2; the supporting column 6 extends in the vertical direction, one end of the supporting column 6 is connected to the push rod 2, and the other end forms a sliding part 61 which is in sliding fit with the sliding groove 51.

Preferably, the supporting pillar 6 is disposed near the second end 22, in order to facilitate the force application, the distance from the rotating shaft of the push rod 2 to the second end 22 is generally greater than the distance from the rotating shaft to the first end 21, at this time, the gravity at the two ends of the push rod 2 is often unbalanced, therefore, the supporting pillar 6 and the supporting plate 5 are disposed at the position near the second end 22, so that the rotating shaft can be effectively prevented from being worn due to the unbalanced gravity at the two ends, and the durability of the door closing sound quality test auxiliary device 100 is enhanced. In addition, the supporting plate 5 is matched with the supporting column 6 to play a role in guiding, limiting and supporting the push rod 2.

In addition, one end of the sliding groove 51 of the supporting plate 5 is provided with an installation hole 52 communicated with the sliding groove 51, the sliding part 61 of the supporting column 6 is installed into the sliding groove 51 through the installation hole 52, after the installation, the installation hole 52 is blocked by a plug, the sliding part 61 is prevented from being separated from the installation hole 52, the structure is simple, and the operation is convenient.

In order to prevent the door from being damaged when the push rod 2 pushes the door, in the embodiment of the present invention, referring to fig. 1, the second end 22 of the push rod 2 is provided with a pushing portion 221, the pushing portion 221 extends toward the door, and an end portion of the pushing portion 221 away from the second end 22 is provided with a rubber layer 331 a. The rubber layer 331a can effectively perform a cushioning function.

The present invention further provides a door-closing sound quality testing apparatus, which includes the door-closing sound quality testing auxiliary device 100 as described above.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A door closing sound quality test auxiliary device is characterized by comprising:

a frame;

2. The door-closing sound quality test auxiliary device as claimed in claim 1, wherein the push rod has a first end and a second end which are oppositely arranged, and the middle portion of the push rod is rotatably mounted on the frame so that the first end and the second end are rotated in opposite directions;

the driving device includes:

3. The door closing sound quality test aid of claim 2, further comprising a reset member connected to the frame and the push rod for maintaining the cam in abutment with the push rod during a rotational stroke of the cam.

4. The door closing sound quality test auxiliary device as claimed in claim 3, wherein the reset member comprises a first magnetic attraction portion and a second magnetic attraction portion respectively disposed on the rack and the push rod and disposed opposite to each other, and the first magnetic attraction portion and the second magnetic attraction portion have the same or opposite magnetism.

5. The door closing sound quality test auxiliary device of claim 4, wherein the cam and the reset member are respectively disposed at two sides of the push rod, and the first magnetic attraction portion and the second magnetic attraction portion are magnetically arranged in the same manner.

6. The door closing sound quality test auxiliary device as claimed in claim 4, wherein the first magnetic attraction portion and the second magnetic attraction portion are electromagnetic coils respectively.

7. The door-closing sound quality test aid of claim 2, wherein the door-closing sound quality test aid further comprises:

8. The door closing sound quality test aid of claim 7, wherein the support post is disposed proximate the second end.

9. The door closing sound quality test auxiliary device as claimed in claim 2, wherein the second end of the push rod is provided with a pushing portion, the pushing portion extends towards the door, and the end of the pushing portion away from the second end is provided with a rubber layer.

10. A door-closing sound quality test apparatus comprising the door-closing sound quality test assisting apparatus according to any one of claims 1 to 9.