阅读说明：本技术 一种试验箱新风装置 (Fresh air device of test box ) 是由 赖剑勇 李功明 于 2018-08-11 设计创作，主要内容包括：本发明公开了一种试验箱新风装置,包括箱体,所述箱体的底部设置有底座,所述底座的表面设置有封板,所述封板的表面设置有开启度指示条,所述开启度指示条的上方设置有滑槽,所述滑槽的右端安装有手柄,所述手柄的后端焊接有螺杆,所述箱体的内部设置有内箱,所述箱体与内箱间设置有通风道,所述电机的输出端连接有第一转轴,所述第一转轴的左端连接有风扇,所述连杆的上端固定有第二转轴,所述第二转轴上焊接有风口盖板,所述风口盖板的下方设置有新风口,所述新风口的左方设置有排风口。本发明结构简单,操作方便,安全可靠,方便直观,能够使做完高温试验后的试样快速冷却到常温,提高工作效率。同时,又能及时排出试验产生的废气。(The invention discloses a test box fresh air device which comprises a box body, wherein a base is arranged at the bottom of the box body, a sealing plate is arranged on the surface of the base, an opening degree indicating strip is arranged on the surface of the sealing plate, a sliding groove is arranged above the opening degree indicating strip, a handle is arranged at the right end of the sliding groove, a screw rod is welded at the rear end of the handle, an inner box is arranged inside the box body, an air duct is arranged between the box body and the inner box, the output end of a motor is connected with a first rotating shaft, the left end of the first rotating shaft is connected with a fan, a second rotating shaft is fixed at the upper end of a connecting rod, an air inlet cover plate is welded on the second rotating shaft, a fresh air inlet is arranged below the air inlet cover plate, and an air outlet is arranged. The invention has simple structure, convenient operation, safety, reliability, convenience and intuition, can quickly cool the sample after the high-temperature test to normal temperature, and improves the working efficiency. Meanwhile, the waste gas generated in the test can be discharged in time.)

1. The utility model provides a proof box new trend device, includes box (1), its characterized in that: the novel multifunctional electric kettle is characterized in that a base (3) is arranged at the bottom of the box body (1), a sealing plate (4) is arranged on the surface of the base (3), an opening degree indicating strip (5) is arranged on the surface of the sealing plate (4), a sliding groove (6) is arranged above the opening degree indicating strip (5), a handle (7) is installed at the right end of the sliding groove (6), a screw rod (20) is welded at the rear end of the handle (7), the screw rod (20) is connected with a connecting rod (14) through a long circular hole (15), an inner box (12) is arranged inside the box body (1), an air duct (13) is arranged between the box body (1) and the inner box (12), a box right body (2) is arranged at the right part of the box body (1), a motor (9) is arranged inside the box right body (2), the output end of the motor (9) is connected with a first rotating shaft (10), and the left end of the first, the upper end of connecting rod (14) is fixed with second pivot (16), weld tuyere apron (18) on second pivot (16), the below of tuyere apron (18) is provided with fresh air inlet (17), the left of fresh air inlet (17) is provided with air exit (19).

2. A test chamber fresh air device as claimed in claim 1, wherein: the four corners of the sealing plate (4) are provided with fixing holes (8), and the sealing plate (4) penetrates through the fixing holes (8) through bolts to be fixed on the base (3).

3. A test chamber fresh air device as claimed in claim 1, wherein: a sliding structure is arranged between the handle (7) and the sliding chute (6).

4. A test chamber fresh air device as claimed in claim 1, wherein: the inner walls of the left side and the right side of the inner box (12) are provided with porous plates.

5. A test chamber fresh air device as claimed in claim 1, wherein: bearing blocks (21) are installed to both sides around ventiduct (13) bottom, and two install second pivot (16) between bearing block (21).

Technical Field

The invention relates to the technical field of test chambers, in particular to a fresh air device of a test chamber.

Background

The test box is a general term of products in the environmental test industry, and is used for simulating a natural climate environment in an effective space range, and the test types are as follows: the high-low temperature test chamber, the xenon lamp aging test chamber, the ultraviolet aging test chamber, the box-type rain box, the antirust grease, the water dripping device, the purification and clean storage, the nitrogen storage cabinet, the non-standard products and the like are adopted as main parts of the products, and the products have the advantages of excellent performance, attractive appearance and good reliability, and are ideal choices for laboratory environment test equipment.

At present, a test box in the market is not provided with a fresh air device, and after a high-temperature test is finished, the time for cooling a sample to the normal temperature is long, so that the working efficiency is influenced. Meanwhile, the waste gas generated in the test can not be discharged in time.

Disclosure of Invention

The invention aims to provide a fresh air device of a test chamber, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a fresh air device of a test chamber comprises a box body, wherein a base is arranged at the bottom of the box body, a sealing plate is arranged on the surface of the base, the surface of the sealing plate is provided with an opening degree indicating bar, a sliding groove is arranged above the opening degree indicating bar, a handle is arranged at the right end of the sliding chute, a screw rod is welded at the rear end of the handle and is connected with the connecting rod through a long round hole, an inner box is arranged inside the box body, an air duct is arranged between the box body and the inner box, a right box body is arranged at the right part of the box body, a motor is arranged in the right box body, the output end of the motor is connected with a first rotating shaft, the left end of the first rotating shaft is connected with a fan, the upper end of connecting rod is fixed with the second pivot, welding tuyere cover plate in the second pivot, the below of tuyere cover plate is provided with the fresh air inlet, the left of fresh air inlet is provided with the air exit.

Preferably, the four corners of the sealing plate are provided with fixing holes, and the sealing plate passes through the fixing holes through bolts and is fixed on the base.

Preferably, a sliding structure is arranged between the handle and the sliding groove.

Preferably, the inner walls of the left side and the right side of the inner box are composed of porous plates.

Preferably, bearing blocks are installed on the front side and the rear side of the bottom of the air duct, and a second rotating shaft is installed between the bearing blocks.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention can quickly cool the sample after the high-temperature test to normal temperature, thereby improving the working efficiency;

2. the invention can adjust the fresh air volume;

3. the invention can make the temperature in the box body reach a constant temperature state;

4. according to the invention, the linkage of the fresh air inlet and the air outlet is realized through the sliding of the handle in the left and right directions, the waste gas generated in the test can be discharged in time, and meanwhile, the opening degree indicating strip is arranged on the panel, so that the device is more convenient and more visual.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an overall sectional structure diagram of the present invention.

Fig. 3 is an enlarged schematic view of a portion a of fig. 1.

Fig. 4 is an enlarged structural diagram of a portion B of fig. 2.

Fig. 5 is a schematic view of the handle structure of the present invention.

Fig. 6 is a schematic view of a connection structure between a bearing seat and a second rotating shaft according to the present invention.

In the figure: 1. the air inlet device comprises a box body, a box right body, a base, a sealing plate, a base, an opening degree indicating strip, a sliding groove, a handle, 8, a fixing hole, 9, a motor, 10, a first rotating shaft, 11, a fan, 12, an inner box, 13, an air duct, 14, a connecting rod, 15, a long round hole, 16, a second rotating shaft, 17, a fresh air inlet, 18, an air inlet cover plate, 19, an air outlet, 20, a screw rod, 21 and a bearing seat.

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.

Referring to fig. 1-6, an embodiment of the present invention is shown: a test box fresh air device comprises a box body 1, wherein a base 3 is arranged at the bottom of the box body 1, a sealing plate 4 is arranged on the surface of the base 3, fixing holes 8 are formed in four corners of the sealing plate 4, the sealing plate 4 penetrates through the fixing holes 8 and is fixed on the base 3 through bolts, the sealing plate 4 is convenient to install and fix, an opening degree indicating strip 5 is arranged on the surface of the sealing plate 4, a sliding groove 6 is arranged above the opening degree indicating strip 5, a handle 7 is installed at the right end of the sliding groove 6, a sliding structure is arranged between the handle 7 and the sliding groove 6, the handle 7 can slide on the sliding groove 6, a screw rod 20 is welded at the rear end of the handle 7, the screw rod 20 is connected with a connecting rod 14 through a long circular hole 15, an inner box 12 is arranged inside the box body 1, porous plates are arranged on the inner walls of the left side and the right side of the inner box 12, the air circulation of the inner box 12, and a second rotating shaft 16 is arranged between the two bearing seats 21, so that the second rotating shaft 16 can rotate, the right part of the box body 1 is provided with a box right body 2, a motor 9 is arranged inside the box right body 2, the output end of the motor 9 is connected with a first rotating shaft 10, the left end of the first rotating shaft 10 is connected with a fan 11, the upper end of the connecting rod 14 is fixed with the second rotating shaft 16, a wind inlet cover plate 18 is welded on the second rotating shaft 16, a fresh wind inlet 17 is arranged below the wind inlet cover plate 18, and an exhaust outlet 19 is arranged at the left side of the fresh wind inlet 17.

The working principle is as follows: when the test box fresh air device is used, the whole test box fresh air device needs to be subjected to simple structure understanding, the handle 7 with the screw rod 20 is arranged on the sliding groove 6 on the sealing plate, the rear end of the screw rod 20 is arranged on the long round hole 15 of the connecting rod 14, the connecting rod 14 is fixed on the second rotating shaft 16, the air port cover plate 18 is welded on the second rotating shaft 16, and the second rotating shaft 16 is arranged on the bearing seat 21 in front of and behind the air duct 13. If the fresh air opening 17 needs to be opened, fresh air is introduced, the handle 7 is moved leftwards by hand, the handle 7 drives the second rotating shaft 16 to rotate clockwise through the connecting rod 14, the fresh air opening 17 and the air outlet 19 are simultaneously and gradually opened through the air opening cover plate 18, and after the corresponding position is reached, the handle 7 is screwed down and fixed on the sealing plate 4. If the air inlet needs to be closed, the handle 7 is moved rightwards by hand, the handle 7 drives the second rotating shaft 16 to rotate anticlockwise through the connecting rod 14, the air inlet cover plate 18 can simultaneously close the fresh air inlet 17 and the air outlet 19 gradually, and after the air inlet cover plate reaches a corresponding position, the handle 7 is screwed tightly and fixed on the sealing plate 4.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.