Seat ventilation quantity testing device

Abstract

The utility model discloses a seat ventilation quantity testing device, which relates to the technical field of seat ventilation testing, and is characterized in that two opposite brake shafts directly face the upper part and the lower part of a platform of a test board, the two sides of a shaft rod of each brake shaft are provided with opposite pressing push wheels, and one side of the platform of the test board is provided with a measuring air pipe in a penetrating manner; the upper end of the frame of the testing rack is provided with an air volume testing mechanism which is vertically opposite to the measuring air pipe. According to the design, a seat leather sheath to be tested is circularly conveyed and fed in a counter-pressure pushing mode based on a transmission combination of a brake shaft and a counter-pressure pushing wheel, then the seat leather sheath to be tested is tightly pressed by utilizing downward pressing of an air volume testing mechanism, and at the moment, wind is blown to the seat leather sheath along a sealing pressing pipe by utilizing wind blowing of a ventilation fan in an air guide pipe, so that the seat leather sheath to be tested is automatically tested. After being ventilated by the seat leather sheath, the air flows into the measuring air pipe, the air volume detector in the measuring air pipe is used for ventilation test work, and then single-time multi-point test work is carried out according to the mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of seat ventilation test, especially to a seat ventilation volume testing device. BACKGROUND

[0002] The seat ventilation is a unique ventilation circulation system, which can effectively prevent the accumulation of sweat on the hips and back and provide a more comfortable riding environment by continuously flowing fresh air from the seat cushion and the small holes on the backrest. The heat dissipation and ventilation of the car seat usually spread from the inside to the outside of the seat cover, so the ventilation of the seat cover determines the ventilation and heat dissipation performance of the seat. Therefore, during the production of car seats, a testing device is usually used to test and detect the ventilation volume of the seat cover. For example, a seat ventilation volume testing device (publication number CN219935042U) disclosed by China Patent Network shows that this type of seat ventilation volume testing device simulates the completed whole seat through a seat simulation block and a seat cover simulation, sets an air outlet assembly on the seat, and makes the air outlet assembly produce air that passes through the seat simulation block and the seat cover and is tested by the testing assembly. The amount of air measured is used to determine whether the amount of air provided by the air outlet assembly during operation meets the heat dissipation requirements of the current seat.

[0003] However, the seat ventilation volume testing device disclosed in the above-mentioned patent and the existing market still has some shortcomings: the existing form of seat ventilation volume testing device can only test the air volume of one set of seat cover at a time. When measuring other parts of the seat cover or the next set of seat cover, it needs to be stopped and replaced before the next test can be performed. The operation is more complicated, and the test efficiency is low. Therefore, the technical personnel in the field provide a seat ventilation volume testing device to solve the problems raised in the above-mentioned background technology. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a seat ventilation volume testing device to solve the problem of low test efficiency of the existing seat ventilation volume testing device raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a seat ventilation volume testing device, comprising a test frame and a test table installed in the middle part of the frame of the test frame;

[0006] The frame of the test frame is arranged in a two-by-two symmetrical form and is provided with a plurality of brake shafts, the opposite two brake shafts are opposite to the upper and lower parts of the platform of the test table, and the shaft rod of each brake shaft is provided with a pair of pressure wheels on both sides;

[0007] The platform of the test bench is provided with a measuring air pipe, and the frame of the test frame is provided with an air volume test mechanism vertically opposite to the measuring air pipe.

[0008] As a further technical scheme of the utility model: the shaft rod of the two opposite brake shafts is provided with intermeshing opposing gears, and the adjacent opposing gears are connected through linkage gear meshing transmission.

[0009] As a further technical scheme of the utility model: the support of the test frame is provided with a brake motor driving the brake shaft.

[0010] As a further technical scheme of the utility model: the two sides of the table top of the test bench are arranged in a two-by-two symmetrical form and are provided with a plurality of flat push grooves opposite to the opposite pressure push wheels.

[0011] As a further technical scheme of the utility model: the air volume test mechanism comprises a support frame mounted on the test frame along the direction of the air port of the measuring air pipe, the upper end of the frame of the support frame is symmetrically provided with an electric push rod, and the telescopic end of the electric push rod is provided with an air guide pipe, a plurality of ventilation fans are arranged and mounted on the upper pipe port of the air guide pipe, and a sealing pressure pipe vertically opposite to the measuring air pipe is mounted on the bottom pipe port of the air guide pipe.

[0012] As a further technical scheme of the utility model: the sealing pressure pipe comprises a sealing hose, the sealing hose is in a concertina structure, and a plurality of compression guide rods are arranged and connected on the two sides of the convex edge of the sealing hose, and a compression spring vertically opposite to the upper and lower convex edges is sleeved on the outer side of the arm rod of each group of compression guide rods.

[0013] As a further technical scheme of the utility model: the bottom air port of the measuring air pipe is provided with an air volume detector.

[0014] The seat ventilation volume testing device has the following beneficial effects compared with the prior art:

[0015] The seat ventilation volume testing device of the design is based on the transmission combination of the brake shaft and the opposite pressure push wheel, and the seat leather cover to be tested is circulated and fed in a pressure pushing manner, and is fed along the measuring air pipe, and then the sealing pressure pipe is tightly pressed on the seat leather cover by the downward pressure of the air volume test mechanism, and the measuring air pipe is combined to seal the seat leather cover to be tested, at this time, the air force of the ventilation fan in the air guide pipe is blown to the seat leather cover along the sealing pressure pipe, and the air is circulated to the measuring air pipe after being ventilated through the seat leather cover, and the air volume detector inside is used for ventilation test work, and then the seat leather cover is circulated and fed in a single multi-point form, and the operation is more simple and convenient, and the test is more efficient and perfect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of a seat ventilation volume testing device;

[0017] Figure 2 It is a transmission schematic view of a seat ventilation volume testing device;

[0018] Figure 3 It is a structural schematic view of a wind volume testing mechanism in a seat ventilation volume testing device;

[0019] Figure 4 It is a mounting schematic view of a wind volume detector in a seat ventilation volume testing device.

[0020] In the figure: 1, test frame; 2, test table; 21, flat push open slot; 3, brake shaft; 4, opposite pressure push wheel; 5, opposite gear; 6, linkage gear; 7, measurement wind pipe; 8, support frame; 9, electric push rod; 10, air duct; 11, sealing pressure pipe; 111, sealing hose; 112, compression guide rod; 113, compression spring; 12, brake motor; 13, ventilation fan; 14, wind volume detector. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-4 The present application provides a seat ventilation volume testing device technical scheme: a seat ventilation volume testing device, comprising a test frame 1 and a test table 2 installed in the middle part of the frame of the test frame 1, the test table 2 is arranged with a plurality of flat push open slots 21 opposite to the opposite pressure push wheel 4 on both sides of the table top in a two-by-two symmetrical form, by placing the seat skin cover on the test table 2, using the opposite pressure push wheel 4 to push, the seat skin cover is pushed along the test table 2, the seat is pushed to the measurement wind pipe 7 above, and the test work is carried out in a multi-point form, so as to improve the test comprehensiveness.

[0023] The frame of the test stand 1 is internally arranged with multiple sets of brake shafts 3 in a two-by-two symmetrical manner, the opposite two brake shafts 3 are opposite above and below the platform of the test bench 2, and the shafts of each brake shaft 3 are provided with a pair of pressing wheels 4 on both sides, the shafts of the opposite two brake shafts 3 are provided with a pair of meshing gears 5 at one end, and the adjacent meshing gears 5 are connected by meshing transmission linkage gears 6, one side of the support of the test stand 1 is provided with a brake motor 12 for driving the brake shaft 3, which drives one of the brake shafts 3 to rotate by controlling the brake motor 12 as a driving source, and the brake shaft 3 drives the opposite two brake shafts 3 to rotate symmetrically under the symmetrical meshing of the opposite two sets of meshing gears 5, and the adjacent meshing gears 5 are connected by meshing transmission linkage gears 6, which keep linkage operation and drive multiple sets of brake shafts 3 to rotate symmetrically, drive the opposite pressing wheels 4 on the upper and lower shafts to rotate symmetrically, as a roller pushing component, to independently transport the seat cover for feeding, to circulate the seat cover for feeding, to test the work, to reduce the labor intensity, and to improve the test efficiency.

[0024] A measuring air pipe 7 is provided on one side of the platform of the test bench 2, and a wind volume test mechanism is provided on the upper end of the frame of the test stand 1 opposite the measuring air pipe 7, which includes a support frame 8 mounted on the test stand 1 along the air inlet direction of the measuring air pipe 7, a pair of electric push rods 9 are mounted on the frame of the support frame 8 in a symmetrical manner, and a wind guide pipe 10 is mounted on the telescopic end of the electric push rod 9, a plurality of ventilation fans 13 are arranged and mounted on the upper pipe of the wind guide pipe 10, and a sealing compression pipe 11 opposite the measuring air pipe 7 is mounted on the bottom pipe of the wind guide pipe 10, and a wind volume detector 14 is mounted on the bottom air inlet of the measuring air pipe 7, the combination of the wind guide pipe 10 and the sealing compression pipe 11 is driven downward by controlling the telescopic brake of the electric push rod 9, so that the sealing compression pipe 11 is vertically pressed above the measuring air pipe 7 to form a pressing state, and the seat cover of the air inlet of the measuring air pipe 7 is tightly pressed to make the air flow through the seat cover, and then the ventilation fan 13 is controlled to work, and the air is blown to the seat cover through the combination of the wind guide pipe 10 and the sealing compression pipe 11, and then the air is transported to the measuring air pipe 7 after flowing through the seat cover, and the wind volume is tested by the wind volume detector 14 inside the measuring air pipe 7 to test the ventilation volume of the seat cover.

[0025] The sealing pressure pipe 11 comprises a sealing hose 111, the sealing hose 111 is in the form of an accordion structure, and a plurality of sets of compression guide rods 112 are arranged on both sides of the convex edges of the sealing hose 111, the outer side of the arm rod of each set of compression guide rods 112 is sleeved with a compression spring 113 which is opposite to the upper and lower convex edges, when the sealing pressure pipe 11 tightly presses the seat leather cover, the accordion structure has good elastic compression characteristics, and under the elastic compression combination of the compression guide rods 112 and the compression springs 113, the sealing pressure pipe 11 keeps a good elastic compression state, tightly presses the seat leather cover on the measuring air pipe 7, so that the air leakage is avoided, and the test accuracy is ensured.

[0026] The working principle of the utility model is as follows: in the process of testing the ventilation of the seat by using the testing device, the ventilation leather cover part of the seat is laid on the testing table 2, then the brake motor 12 is controlled to work, one of the brake shafts 3 is driven to rotate, and the two brake shafts 3 are driven to rotate symmetrically under the symmetric meshing of the two sets of engaging gears 5, the adjacent engaging gears 5 are connected under the meshing transmission of the linkage gear 6, and keep linkage operation, then the linkage operation of the plurality of brake shafts 3 is driven, the symmetric rotation of the pressing wheels 4 on the up-down shafts of each brake shaft 3 is driven, and the seat leather cover on the testing table 2 is independently transported and fed, so that the seat leather cover is circularly transported above the measuring air pipe 7, and the testing work is carried out in the form of multiple points.

[0027] Then when the seat leather cover is transported above the pipe opening of the measuring air pipe 7, the electric push rod 9 is controlled to extend and retract, the combination of the air guide pipe 10 and the sealing pressure pipe 11 is driven to move downwards, the sealing pressure pipe 11 is vertically pressed above the measuring air pipe 7, the seat leather cover around the pipe opening of the measuring air pipe 7 is tightly pressed and sealed, then the ventilation fan 13 is controlled to work, the air is blown to the seat leather cover through the combination of the air guide pipe 10 and the sealing pressure pipe 11, after the air flows through the seat leather cover, the air is transported into the measuring air pipe 7, the air volume is tested by using the air volume detector 14 in the measuring air pipe 7, then the seat leather cover is circularly transported to the pipe opening of the measuring air pipe 7, and the ventilation testing work is carried out in the form of uninterrupted ventilation.

[0028] The above only describes the preferred embodiments of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, some improvements and decorations can be made without departing from the principle of the utility model, and these improvements and decorations should also be regarded as the protection range of the utility model. The structures, devices and operation methods which are not specifically described and explained in the utility model are implemented according to the conventional means in the field without special description and limitation.

Claims

1. A seat ventilation volume testing device, characterized by, The utility model relates to a test frame (1) and a test bench (2) installed in the middle of the frame of the test frame (1). The frame of the test frame (1) is arranged with a plurality of sets of brake shafts (3) in a two-by-two symmetrical manner, and the opposite two brake shafts (3) are opposite above and below the platform of the test bench (2), and each brake shaft (3) is provided with a pair of pressure wheels (4) on both sides of the shaft rod. The platform of the test bench (2) is provided with a measuring air pipe (7) on one side, and the frame of the test frame (1) is provided with an air volume test mechanism opposite the measuring air pipe (7) on the upper end.

2. The seat ventilation volume test device of claim 1, wherein, The shaft rod of the opposite two brake shafts (3) is provided with a pair of meshing cogwheels (5) at one end, and the adjacent cogwheels (5) are connected by a linkage gear (6).

3. The seat ventilation volume testing device of claim 1, wherein, The support of the test frame (1) is provided with a brake motor (12) for driving the brake shaft (3).

4. The seat ventilation volume testing device of claim 1, wherein, The test bench (2) is provided with a plurality of sets of flat push grooves (21) opposite the pressure wheels (4) on both sides of the platform in a two-by-two symmetrical manner.

5. The seat ventilation volume testing device of claim 1, wherein, The air volume test mechanism includes a support frame (8) installed on the test frame (1) along the air outlet direction of the measuring air pipe (7), and the frame of the support frame (8) is provided with an electric push rod (9) on the upper end in a symmetrical manner, and the telescopic end of the electric push rod (9) is provided with a wind guide pipe (10), and the upper pipe opening of the wind guide pipe (10) is provided with a plurality of sets of ventilation fans (13), and the bottom pipe opening of the wind guide pipe (10) is provided with a sealing compression pipe (11) opposite the measuring air pipe (7).

6. A seat ventilation volume testing device according to claim 5, wherein, The sealing compression pipe (11) includes a sealing hose (111), which is a concertina structure, and a plurality of sets of compression guide rods (112) are arranged on both sides of the convex edge of the sealing hose (111), and a compression spring (113) opposite the upper and lower convex edges is arranged on the outer side of the arm rod of each set of compression guide rods (112).

7. The seat ventilation volume testing device of claim 1, wherein, The bottom air outlet of the measuring air pipe (7) is provided with an air volume detector (14).

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