CN217032415U

CN217032415U - Automobile grille opening degree detection device

Info

Publication number: CN217032415U
Application number: CN202220929225.5U
Authority: CN
Inventors: 周德强; 刘世宣; 张汝强; 燕浪; 朱小美
Original assignee: Chengdu Aerospace Hua Tao Automotive Trim Co ltd
Current assignee: Chengdu Aerospace Hua Tao Automotive Trim Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-07-22
Anticipated expiration: 2032-04-21

Abstract

The utility model provides an automobile grille opening degree detection device, which relates to the technical field of displacement measurement and comprises a measurement piece, wherein the measurement piece is connected with a displacement measurement device, the displacement measurement device comprises a shell, a guide rod is arranged in the shell, one end of the guide rod is provided with a rebound mechanism, one end of the rebound mechanism is fixed or abutted against the side wall of the shell, one end of the guide rod, which is far away from the rebound mechanism, is provided with a sliding block in a sliding fit mode, the sliding block is connected with a displacement sensor, the measurement piece penetrates through the shell and is fixedly connected with the sliding block, the displacement measurement device is arranged on a moving assembly, one side, which is far away from the rebound mechanism, of the sliding block is provided with a telescopic mechanism, the sliding block is provided with a top head which is abutted against the output end of the telescopic mechanism, a hydraulic buffer is arranged in the shell and is positioned on one side, which is far away from the telescopic mechanism, of the sliding block, and the problem that a device for detecting the opening degree of an air inlet grille in the prior art is lacked is solved.

Description

Automobile grille opening degree detection device

Technical Field

The utility model relates to the technical field of displacement measurement, in particular to an automobile grille opening degree detection device.

Background

The air inlet grille is a structure similar to a shutter, is arranged between a front grille and a cooling module of an automobile, and mainly has the functions of heat dissipation and air inlet of an engine, the opening degree of the air inlet grille can be automatically adjusted according to the actual condition of the automobile, so that the air inlet and the heat dissipation of the automobile can be adjusted, for example, when the automobile is started in winter, the air inlet grille can be closed to shorten the preheating time, and the engine can be ensured to be quickly heated to the optimal working state; when the automobile runs at a high speed, the wind resistance of the automobile can be effectively reduced by controlling the opening degree of the air inlet grille, so that the stability of the automobile and the fuel economy are improved. Therefore, in the production process of the air intake grille, the opening degree of the grille blade is an important product qualification index, and before the air intake grille is assembled with the automobile main body, the opening degree of the air intake grille needs to be detected to judge whether the product is qualified or not.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention provides an opening degree detection device for an automobile grille, which aims to solve the problem that the device for detecting the opening degree of an air inlet grille is lacked in the prior art.

In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows:

the utility model provides an automobile grille opening degree detection device, it is including measuring the piece, it is connected with displacement measurement device to measure the piece, displacement measurement device includes the casing, install the guide bar in the casing, one of guide bar is served and is equipped with resilience mechanism, resilience mechanism's one end is fixed or the butt is on the lateral wall of casing, sliding fit has the slider on the one end that resilience mechanism was kept away from to the guide bar, the slider is connected on displacement sensor, measure the piece and pass casing and slider fixed connection, displacement measurement device installs on removing the subassembly.

Furthermore, a telescopic mechanism is arranged on one side, away from the rebounding mechanism, of the sliding block, and a jacking head abutted against the output end of the telescopic mechanism is arranged on the sliding block. Promote slider extrusion resilience mechanism through telescopic machanism, and then drive the measuring piece and reach the measuring station, telescopic machanism's output returns afterwards, blocks the blade of air-inlet grille through the restoring force of resilience mechanism for air-inlet grille's blade and measuring piece are closely laminated all the time, have guaranteed displacement measurement's accuracy.

Furthermore, a hydraulic buffer is arranged in the shell and is positioned on one side of the sliding block, which is far away from the telescopic mechanism. When the telescopic mechanism pushes the sliding block to compress the rebounding mechanism, the hydraulic buffer can prevent the rebounding mechanism from being crushed after the telescopic mechanism is out of control and further impact the shell, and the safety of the measuring assembly is improved.

Furthermore, a sleeve is arranged between the sliding block and the guide rod, the sleeve is fixedly connected with the sliding block, and the sleeve is coaxially sleeved on the guide rod and is in sliding connection with the guide rod. Set up the sleeve between slider and guide bar, the sleeve can lead the removal of guide bar, relies on the sliding fit of sleeve and guide bar simultaneously can reduce wearing and tearing, extension measuring component's life.

Further, the movable assembly comprises a mounting plate, a linear guide rail is mounted on the mounting plate, a fixing plate is arranged on the linear guide rail and connected to the output end of the horizontal telescopic cylinder, a vertical telescopic cylinder is mounted on the fixing plate, and the displacement measuring device is connected to the output end of the vertical telescopic cylinder. The position of the displacement measuring device is controlled by the horizontal telescopic cylinder and the vertical telescopic cylinder, so that the measuring assembly can measure the air inlet grille blades at multiple positions.

Furthermore, a drag chain is arranged on the mounting plate. In the process of operation and measurement of the measuring assembly, the cable and the air pipe required by the measuring assembly can be installed in the drag chain, and the cable and the air circuit are protected.

Furthermore, a plurality of reinforcing ribs are arranged on the mounting plate. The strength of the mounting plate is improved through the reinforcing ribs, and the safety of the moving assembly in the operation process is improved.

Further, a dust cover is arranged on the shell. The dust cover protects the parts in the shell, so that dust is prevented from falling into the shell to influence the operation of the electric elements in the shell.

The beneficial effects of the utility model are as follows:

when the opening degree of the air inlet grille is measured, the displacement measuring device and the measuring sheet can move in two dimensions through the moving assembly, so that the air inlet grille of various types and all blades arranged in each air inlet grille side by side can be detected, and the application range of the device is widened; utilize the resilience of resilience mechanism to let the measurement piece follow grid blade rotation direction and remove, rather than directly promote the blade with the measurement piece and remove, can be at the aperture in-process that detects the grid blade furthest protection grid blade, improve grid blade's qualification rate, satisfy the high requirement of surface quality. The device in the scheme is simple in structure, convenient to use and high in practicability.

Drawings

Fig. 1 is a perspective view of the device for detecting the opening degree of the grille of the vehicle.

Fig. 2 is a rear view of the device for detecting the opening degree of a grille of an automobile.

FIG. 3 is a rear view of the displacement measuring device without the housing.

FIG. 4 is a top view of the displacement measuring device shown without the housing.

Wherein, 1, measuring the sheet; 2. a displacement measuring device; 20. a dust cover; 21. a housing; 22. a guide rod; 23. a rebound mechanism; 24. a slider; 25. a displacement sensor; 26. a telescoping mechanism; 27. ejecting; 28. a hydraulic buffer; 29. a sleeve; 3. a moving assembly; 31. mounting a plate; 32. a linear guide rail; 33. a fixing plate; 34. a horizontal telescopic cylinder; 35. a vertical telescopic cylinder; 36. a drag chain; 37. and (5) reinforcing ribs.

Detailed Description

In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.

As shown in fig. 1 to 4, the device for detecting the opening degree of the automobile grille comprises a measuring sheet 1, the measuring sheet 1 is connected with a displacement measuring device 2, the displacement measuring device 2 comprises a casing 21, a guide rod 22 is installed in the casing 21, a rebound mechanism 23 is sleeved at one end of the guide rod 22, one end of the rebound mechanism 23 is fixed or abutted to the side wall of the casing 21, a sliding block 24 is matched at one end, away from the rebound mechanism 23, of the guide rod 22 in a sliding mode, the sliding block 24 is connected to a measuring rod of a displacement sensor 25, and the moving distance of the sliding block 24 is detected through the displacement sensor 25. The upper end of the measuring sheet 1 penetrates through the shell 21 to be fixedly connected with the sliding block 24, and the lower end of the measuring sheet 1 is abutted to the grid blade to be detected. The shell 21 is mounted on the moving component 3, and the moving component 3 can drive the whole displacement measuring device 2 and the measuring sheet 1 to move so as to reach different measuring positions.

In the present embodiment, a mounting block (not shown in the drawings) for mounting the telescopic mechanism 26 is fixed to an intermediate position in the housing 21, and a piston rod of the telescopic mechanism 26 can be brought into contact with the slider 24 after sliding through the mounting block. Meanwhile, the mounting block is also used to fix one end of the guide rod 22, and the other end of the guide rod 22 is fixed on the inner wall of the housing 21. Two sides of the sliding direction of the sliding block 24 are respectively provided with a guide rod 22, the two guide rods 22 are parallel to each other, when the sliding block 24 slides on the guide rods 22, the guide rods 22 are used for guiding, so that the sliding block 24 always slides along the axial direction of the guide rods 22, and the measurement accuracy of the displacement sensor 25 is improved. Be provided with sleeve 29 between slider 24 and the guide bar 22, sleeve 29 and slider 24 are preferred through interference fit's mode fixed connection, and sleeve 29 is coaxial cup joints on guide bar 22 and with guide bar 22 clearance fit so that sleeve 29 can smoothly slide along the guide bar 22 axial, can reduce the wearing and tearing between slider 24 and the guide bar 22 through sleeve 29, prolongs measuring component's life, has also reduced the processing degree of difficulty. The resilient means 23 is preferably a spring which is mounted on the guide rod 22 between the slide 24 and the side wall of the housing 21.

One end of the sliding block 24 far away from the rebound mechanism 23 is provided with a top head 27 matched with the output end of the telescopic mechanism 26, the top head 27 is abutted against the output end of the telescopic mechanism 26, the telescopic mechanism 26 adopts an MD10 × 30 type cylinder, slider 24 can be pushed by telescoping mechanism 26 to move toward rebound mechanism 23 and press rebound mechanism 23, thereby driving the measuring sheet 1 to reach the initial position for measuring the opening degree of the grating, at the moment, the grating blade is tightly propped against the measuring sheet 1, under the abutting action of the grid blades, the measuring sheet 1 cannot move under the elastic force action of the rebound mechanism 23, but when the other mechanism outside rotates the grille blades, when the output ends of the pantograph mechanism 26 have been retracted, the direction of rotation of the grille blades is in line with the direction of rebound, the blade 1 follows the rotation of the grating blades by the elastic force of the resilient mechanism 23 as the grating blades rotate. The advantage that sets up like this can enough guarantee to measure 1 and closely laminate with the grid blade all the time, improves displacement measurement's precision, has avoided again through measuring 1 direct promotion grid blade rotation to cause the grid blade local atress too big the condition that arouses the grid blade surface easily to have the indentation to appear, influences the appearance quality of grid.

The distance of movement of the slider 24 is measured by a displacement sensor 25, and in the present embodiment, the displacement sensor 25 is preferably a TR-0050 linear displacement sensor, and the slider 24 is fixed to a measuring rod of the displacement sensor 25.

Casing 21 is installing hydraulic buffer 28 near springback mechanism 23 department, and hydraulic buffer 28's effect end is towards slider 24, and when telescopic machanism 26 promoted slider 24 compression springback mechanism 23, hydraulic buffer 28 can avoid telescopic machanism 26 excessively to compress springback mechanism 23 and then cause the impact to casing 21, has improved measuring component's security. The preferred hydraulic damper 28 in this embodiment is preferably of the ACA0806 type.

The moving assembly 3 is used for moving the displacement measuring device 2 and the measuring sheet 1 to different positions of the grille blades on the automobile air inlet grille so as to accurately detect the opening degree of each grille blade. As shown in fig. 1 and 2, the moving assembly 3 includes a mounting plate 31, a linear guide rail 32 is mounted on the mounting plate 31, a fixing plate 33 is slidably disposed on the linear guide rail 32, the fixing plate 33 is connected to an output end of a horizontal telescopic cylinder 34, a vertical telescopic cylinder 35 is mounted on the fixing plate, and the housing 21 of the displacement measuring device 2 is fixed to an output end of the vertical telescopic cylinder 35. The telescopic cylinder 35 stretches out and draws back to drive the shell 21 to move in the vertical direction, the horizontal telescopic cylinder 34 drives the cylinder body part of the vertical telescopic cylinder 35 to move horizontally, the shell 21 is driven to move in the horizontal direction, and the linear guide rail 32 is used for guiding the movement of the fixing plate 33 and reducing friction force.

In the present embodiment, the linear guide rails 32 are preferably a HI _ LMZ01 type linear module, two groups of linear guide rails 32 are disposed on two sides of the horizontal telescopic cylinder 34, and the two groups of linear guide rails 32 are parallel to each other, and the two groups of linear guide rails 32 are fixed by a connecting plate. The horizontal telescopic cylinder 34 is preferably an MI20 × 450 type cylinder, the vertical telescopic cylinder 35 is preferably a TC _ M _32 × 100 type telescopic cylinder, the horizontal telescopic cylinder 34 is used for controlling the horizontal position of the displacement measuring device 2, and the vertical telescopic cylinder 35 is used for controlling the vertical position of the displacement measuring device 2, so that the position of the displacement measuring device 2 can be adjusted according to the actual position of the inlet grille blade.

The mounting plate 31 is provided with a drag chain 36, and in the measurement process of the measurement assembly, cables and air pipes required by the measurement assembly can be installed in the drag chain to protect the cables and the air passages. The mounting plate 31 is provided with a plurality of reinforcing ribs 37, the strength of the mounting plate 31 is improved through the reinforcing ribs 37, and the safety of the moving assembly in the operation process is improved. The dust cover 20 is disposed on the housing 21, and the dust cover 20 protects the components inside the housing 21 and prevents dust from falling into the housing 21 to affect the operation of the electrical components inside the housing 21.

The working process of the utility model is as follows:

an air inlet grating to be detected is placed on a workbench to be fixed, the telescopic mechanism 26 is started to enable the sliding block 24 to move towards the direction of the resilient mechanism 23 and compress the resilient mechanism 23, the position of the displacement detection device 2 is adjusted through the horizontal telescopic cylinder 34 in the moving assembly 3, the displacement detection device 2 is moved above a grating blade to be detected, then the vertical telescopic cylinder 35 drives the measuring sheet 1 to move downwards, the measuring sheet 1 is abutted against the grating blade to be detected, the output end of the telescopic mechanism 26 is started to return, then other external mechanisms are started to drive the grating blade to rotate, the rotating direction is the direction in which the resilient mechanism 23 is loosened, the resilient mechanism 23 has certain restoring force and can push the measuring sheet 1 to move along with the rotation of the grating blade and cling to the air inlet grating blade all the time, the measuring sheet 1 and the sliding block 24 are fixed into a whole, and the sliding distance of the sliding block 24 is measured through the displacement sensor 25, the moving distance of the measuring sheet 1 can be measured, and the purpose of measuring the opening degree of the air inlet grille is achieved.

It should be apparent to those skilled in the art that while the preferred embodiments of the present invention have been described, additional variations and modifications to those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the utility model. It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the machine equivalent technology of the claims of the present invention, it is intended that the present invention also include such modifications and variations.

Claims

1. The utility model provides an automobile grille opening degree detection device, its characterized in that, is including measuring piece (1), it is connected with displacement measurement device (2) to measure piece (1), displacement measurement device (2) are including casing (21), install guide bar (22) in casing (21), one of guide bar (22) is served and is equipped with resilient means (23), the one end of resilient means (23) is fixed or the butt in on the lateral wall of casing (21), guide bar (22) are kept away from the one end sliding fit of resilient means (23) has slider (24), slider (24) are connected on displacement sensor (25), it passes to measure piece (1) casing (21) with slider (24) fixed connection, displacement measurement device (2) are installed on removing subassembly (3).

2. The device for detecting the opening degree of the grille of the automobile according to claim 1, wherein a telescopic mechanism (26) is arranged on one side of the sliding block (24) far away from the rebound mechanism (23), and a head (27) abutting against an output end of the telescopic mechanism (26) is arranged on the sliding block (24).

3. The device for detecting the opening degree of the grille of an automobile according to claim 2, wherein a hydraulic buffer (28) is provided in the housing (21), and the hydraulic buffer (28) is located on a side of the slider (24) away from the telescopic mechanism (26).

4. The device for detecting the opening degree of the automobile grille is characterized in that a sleeve (29) is arranged between the sliding block (24) and the guide rod (22), the sleeve (29) is fixedly connected with the sliding block (24), and the sleeve (29) is coaxially sleeved on the guide rod (22) and is in sliding connection with the guide rod (22).

5. The device for detecting the opening degree of the automobile grille is characterized in that the moving assembly (3) comprises a mounting plate (31), a linear guide rail (32) is mounted on the mounting plate (31), a fixing plate (33) is slidably arranged on the linear guide rail (32), the fixing plate (33) is connected to the output end of a horizontal telescopic cylinder (34), a vertical telescopic cylinder (35) is mounted on the fixing plate, and the displacement measuring device (2) is connected to the output end of the vertical telescopic cylinder (35).

6. The grille opening degree detecting device of claim 5, wherein a tow chain (36) is mounted on the mounting plate (31).

7. The apparatus for detecting the opening degree of a grill for an automobile according to claim 5, wherein a plurality of ribs (37) are provided on the mounting plate (31).

8. The opening degree detecting device for the grille of the vehicle as claimed in claim 1, wherein a dust cover (20) is provided on the housing (21).