Telescopic mechanism of rain, snow and fog spray gun

Abstract

The utility model discloses a telescopic mechanism for a rain, snow and fog spray gun, comprising: a basic frame fixed on the side of an environmental chamber flow channel; two tracks formed at the upper and lower parts of the basic frame respectively; a sliding frame arranged between the two tracks, and pulled by a chain to approach or move away from the environmental chamber flow channel; a plurality of rain, snow and fog spray guns are arranged in parallel in the sliding frame, and the rain, snow and fog spray guns can extend into or out of the environmental chamber flow channel as the sliding frame approaches or moves away from the environmental chamber flow channel; a reduction motor is fixed in the basic frame, and drives the main shaft to rotate; two steering gears are formed at both ends of the driving main shaft, and respectively drive the upper and lower sprockets to rotate; a chain is connected between the sprocket and the sliding frame. The utility model can avoid the influence of the rain, snow and fog spray gun on the air flow field in the flow channel, improve the uniformity of the distribution of rain, snow and fog, and extend the service life of the rain, snow and fog spray gun.

Description

Technical Field

[0001] The utility model relates to the field of automobile testing, in particular to a telescopic mechanism of a rain, snow and fog spray gun used for a flow channel of an environmental test chamber. Background Art

[0002] With the development of the automobile industry, in order to test the operating conditions of vehicles under different environmental conditions, different models need to be tested under various working conditions in environmental test rooms during the research and development process, including high and low temperature, high and low humidity, rain, snow, fog and other conditions.

[0003] In order to simulate the driving conditions of vehicles under various real weather conditions, some environmental chambers are equipped with rain, snow and fog generating devices, which are transported to the steel flow channel of the environmental chamber through pipelines, and mixed with the oncoming airflow of the vehicle through rain, snow and fog spray guns to simulate driving weather in rain, snow or fog. The rain, snow and fog spray guns need to be properly installed to ensure the normal use of the environmental chamber.

[0004] At present, if the rain, snow and fog spray gun is fixed in the environmental chamber, it will affect the air flow field and is not conducive to other tests. At the same time, the environmental chamber is not only for rain, snow and fog tests, so it is possible to consider removing the rain, snow and fog spray gun when not in use to reduce the impact on the air flow field and extend the service life of the equipment. In addition, the use of a single rain, snow and fog spray gun makes the distribution of rain, snow and fog uneven, which cannot simulate the real rain, snow and fog weather conditions well. Utility Model Content

[0005] A series of simplified concepts are introduced in the utility model content section, which are all simplifications of the prior art in the field, which will be further described in detail in the specific implementation section. The utility model content section of the utility model does not mean to attempt to define the key features and necessary technical features of the technical solution claimed for protection, nor does it mean to attempt to determine the scope of protection of the technical solution claimed for protection.

[0006] The technical problem to be solved by the utility model is to provide a telescopic mechanism for a rain, snow and fog spray gun which can avoid the influence of the rain, snow and fog spray gun on the air flow field in the flow channel, improve the uniformity of the distribution of rain, snow and fog, and extend the service life of the rain, snow and fog spray gun.

[0007] In order to solve the above technical problems, the utility model provides a telescopic mechanism for a rain, snow and fog spray gun, comprising:

[0008] A basic frame 1, which is fixed beside the flow channel 2 of the environmental chamber;

[0009] Two rails 3 are formed at the upper and lower parts of the base frame 1 respectively;

[0010] A sliding frame 4 is arranged between two rails 3 and is pulled by a chain 5 to move closer to or away from the flow channel 2 of the environmental chamber;

[0011] A plurality of rain, snow and mist spray guns 10 are arranged in parallel in the sliding frame 4. The rain, snow and mist spray guns 10 can extend into or out of the environmental chamber flow channel 2 as the sliding frame 4 approaches or moves away from the environmental chamber flow channel 2.

[0012] A reduction motor 6 is fixed in the base frame 1 and drives the main shaft 9 to rotate;

[0013] Two diverters 7 are formed at both ends of the driving main shaft 9, which respectively drive the upper and lower sprockets 8 to rotate;

[0014] The chain 5 is connected to the sprocket 8 and the sliding frame 4.

[0015] Preferably, the telescopic mechanism of the rain, snow and fog spray gun is further improved, and the outer wall of the gun body of the rain, snow and fog spray gun 10 is formed into a streamlined shape.

[0016] Preferably, the telescopic mechanism of the rain, snow and fog spray gun is further improved, and when the sliding frame 4 moves to the maximum stroke, the rain, snow and fog spray gun 10 penetrates the side wall of the flow channel of the environmental chamber and stops at the side wall of the flow channel of the environmental chamber on the opposite side;

[0017] Or, the rain, snow and fog spray gun 10 penetrates into the side wall of the flow channel of the environmental chamber and passes out of the side wall of the flow channel of the environmental chamber on the opposite side;

[0018] When the sliding frame 4 moves to the minimum stroke, the rain, snow and fog spray gun 10 is retracted into the side wall of the flow channel of the environmental chamber and stops in the side wall of the flow channel of the environmental chamber;

[0019] Or, the rain, snow and fog spray gun 10 is retracted into the side wall of the flow channel of the environmental chamber and stops outside the side wall of the flow channel of the environmental chamber.

[0020] Preferably, the telescopic mechanism of the rain, snow and fog spray gun is further improved, and further comprises: a heat-insulating structure 11 is formed at the position where the rain, snow and fog spray gun 10 extends into or passes through the side wall of the flow channel of the environmental chamber.

[0021] Preferably, the telescopic mechanism of the rain, snow and fog spray gun is further improved, and further comprises: the thermal insulation structure 11 is a thermal insulation cover plate.

[0022] Preferably, the telescopic mechanism of the rain, snow and fog spray gun is further improved to include: a guiding and positioning structure 12 formed at the position where the rain, snow and fog spray gun 10 extends into or passes through the side wall of the flow channel of the environmental chamber.

[0023] Preferably, the telescopic mechanism of the rain, snow and fog spray gun is further improved, and further includes: the guiding and positioning structure 12 is two rollers formed on the upper and lower sides of the position where the rain, snow and fog spray gun 10 extends into or passes through the side wall of the flow channel of the environmental chamber.

[0024] Preferably, the telescopic mechanism of the rain, snow and fog spray gun is further improved, the basic frame 1 is hoisted in the environmental chamber, a mounting rail is formed at the top of the flow channel, and the guide wheel of the basic frame can move in the mounting rail.

[0025] The utility model can at least achieve the following technical effects:

[0026] 1. The outer wall of the rain, snow and fog spray gun of the utility model adopts a streamlined structure. It is inserted into the flow channel when it is needed and detached from the flow channel when it is not needed. It can significantly reduce the influence of the rain, snow and fog spray gun on the air flow field in the steel flow channel and avoid interference with other non-rain, snow and fog tests.

[0027] 2. The utility model can improve the uniformity of rain, snow and fog distribution by arranging multiple rain, snow and fog spray guns, and better simulate the real weather conditions.

[0028] 3. The utility model can retract the spray gun during non-rain, snow and fog tests to reduce interference with other tests and extend the service life of the rain, snow and fog spray gun. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The drawings of the present utility model are intended to illustrate the general characteristics of the methods, structures and / or materials used in specific exemplary embodiments of the present utility model, and to supplement the description in the specification. However, the drawings of the present utility model are schematic diagrams not drawn to scale, and thus may not accurately reflect the precise structure or performance characteristics of any given embodiment. The drawings of the present utility model should not be interpreted as limiting or restricting the range of values ​​or properties covered by the exemplary embodiments of the present utility model. The present utility model is further described in detail below in conjunction with the drawings and specific embodiments:

[0030] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0031] Figure 2 It is a schematic diagram of the thermal insulation structure of the utility model.

[0032] Figure 3 It is a schematic diagram of the guiding and positioning structure of the utility model.

[0033] Description of Reference Numerals

[0034] Basic framework 1

[0035] Environmental Chamber Flow Channel 2

[0036] Two tracks 3

[0037] Sliding rack 4

[0038] Chain 5

[0039] Gear motor 6

[0040] Steering gear 7

[0041] Sprocket 8

[0042] Drive spindle 9

[0043] Rain, snow and fog spray gun 10

[0044] Insulation structure 11

[0045] The guiding and positioning structure 12. DETAILED DESCRIPTION

[0046] The following describes the implementation methods of the utility model through specific specific embodiments, and those skilled in the art can fully understand other advantages and technical effects of the utility model from the contents disclosed in this specification. The utility model can also be implemented or applied through different specific implementation methods, and the details in this specification can also be applied based on different viewpoints, and various modifications or changes can be made without deviating from the general design concept of the utility model. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict. The following exemplary embodiments of the utility model can be implemented in a variety of different forms and should not be interpreted as being limited to the specific embodiments described here. It should be understood that these embodiments are provided to make the disclosure of the utility model thorough and complete, and to fully convey the technical solutions of these exemplary specific embodiments to those skilled in the art.

[0047] First embodiment;

[0048] refer to Figure 1 As shown, the utility model provides a telescopic mechanism for a rain, snow and fog spray gun, comprising:

[0049] A basic frame 1, which is fixed beside the flow channel 2 of the environmental chamber;

[0050] Two rails 3 are formed at the upper and lower parts of the base frame 1 respectively;

[0051] A sliding frame 4 is arranged between two rails 3 and is pulled by a chain 5 to move closer to or away from the flow channel 2 of the environmental chamber;

[0052] A plurality of rain, snow and mist spray guns 10 are arranged in parallel in the sliding frame 4. The rain, snow and mist spray guns 10 can extend into or out of the environmental chamber flow channel 2 as the sliding frame 4 approaches or moves away from the environmental chamber flow channel 2.

[0053] A reduction motor 6 is fixed in the base frame 1 and drives the main shaft 9 to rotate;

[0054] Two diverters 7 are formed at both ends of the driving main shaft 9, which respectively drive the upper and lower sprockets 8 to rotate;

[0055] The chain 5 is connected to the sprocket 8 and the sliding frame 4.

[0056] When the sliding frame 4 moves to the maximum stroke, the rain, snow and fog spray gun 10 penetrates the side wall of the flow channel of the environmental chamber and stops at the side wall of the flow channel of the environmental chamber on the opposite side;

[0057] Or, the rain, snow and fog spray gun 10 penetrates into the side wall of the flow channel of the environmental chamber and passes out of the side wall of the flow channel of the environmental chamber on the opposite side;

[0058] When the sliding frame 4 moves to the minimum stroke, the rain, snow and fog spray gun 10 is retracted into the side wall of the flow channel of the environmental chamber and stops in the side wall of the flow channel of the environmental chamber;

[0059] Or, the rain, snow and fog spray gun 10 is retracted into the side wall of the flow channel of the environmental chamber and stops outside the side wall of the flow channel of the environmental chamber.

[0060] Optionally, the outer wall of the rain, snow and mist spray gun 10 is formed into a streamlined shape, for example, the cross section of the rain, snow and mist spray gun is an ellipse.

[0061] Second embodiment;

[0062] Continue to refer Figure 1 As shown, the utility model provides a telescopic mechanism for a rain, snow and fog spray gun, comprising:

[0063] A basic frame 1, which is fixed beside the flow channel 2 of the environmental chamber;

[0064] Two rails 3 are formed at the upper and lower parts of the base frame 1 respectively;

[0065] A sliding frame 4 is arranged between two rails 3 and is pulled by a chain 5 to move closer to or away from the flow channel 2 of the environmental chamber;

[0066] A plurality of rain, snow and mist spray guns 10 are arranged in parallel in the sliding frame 4. The rain, snow and mist spray guns 10 can extend into or out of the environmental chamber flow channel 2 as the sliding frame 4 approaches or moves away from the environmental chamber flow channel 2.

[0067] A reduction motor 6 is fixed in the base frame 1 and drives the main shaft 9 to rotate;

[0068] Two diverters 7 are formed at both ends of the driving main shaft 9, which respectively drive the upper and lower sprockets 8 to rotate;

[0069] A chain 5 connected to a sprocket 8 and a sliding frame 4;

[0070] A heat-insulating structure 11 is formed at the position where the rain, snow and fog spray gun 10 extends into or passes through the side wall of the flow channel of the environmental chamber. The heat-insulating structure 11 is a heat-insulating cover plate driven electrically or pneumatically;

[0071] When the sliding frame 4 moves to the maximum stroke, the rain, snow and fog spray gun 10 penetrates the side wall of the flow channel of the environmental chamber and stops at the side wall of the flow channel of the environmental chamber on the opposite side;

[0072] Or, the rain, snow and fog spray gun 10 penetrates into the side wall of the flow channel of the environmental chamber and passes out of the side wall of the flow channel of the environmental chamber on the opposite side;

[0073] When the sliding frame 4 moves to the minimum stroke, the rain, snow and fog spray gun 10 is retracted into the side wall of the flow channel of the environmental chamber and stops in the side wall of the flow channel of the environmental chamber;

[0074] Or, the rain, snow and fog spray gun 10 is retracted into the side wall of the flow channel of the environmental chamber and stops outside the side wall of the flow channel of the environmental chamber.

[0075] Optionally, the outer wall of the rain, snow and mist spray gun 10 is formed into a streamlined shape, for example, the cross section of the rain, snow and mist spray gun is an ellipse.

[0076] Third embodiment;

[0077] refer to Figure 1 Combination Figure 2 and Figure 3 As shown, the utility model provides a telescopic mechanism for a rain, snow and fog spray gun, comprising:

[0078] A basic frame 1, which is fixed beside the flow channel 2 of the environmental chamber;

[0079] Two rails 3 are formed at the upper and lower parts of the base frame 1 respectively;

[0080] A sliding frame 4 is arranged between two rails 3 and is pulled by a chain 5 to move closer to or away from the flow channel 2 of the environmental chamber;

[0081] A plurality of rain, snow and mist spray guns 10 are arranged in parallel in the sliding frame 4. The rain, snow and mist spray guns 10 can extend into or out of the environmental chamber flow channel 2 as the sliding frame 4 approaches or moves away from the environmental chamber flow channel 2.

[0082] A reduction motor 6 is fixed in the base frame 1 and drives the main shaft 9 to rotate;

[0083] Two diverters 7 are formed at both ends of the driving main shaft 9, which respectively drive the upper and lower sprockets 8 to rotate;

[0084] A chain 5 connected to a sprocket 8 and a sliding frame 4;

[0085] A heat-insulating structure 11 is formed at the position where the rain, snow and fog spray gun 10 extends into or passes through the side wall of the flow channel of the environmental chamber. The heat-insulating structure 11 is a heat-insulating cover plate driven electrically or pneumatically;

[0086] A guide positioning structure 12 is formed at the position where the rain, snow and fog spray gun 10 extends into or passes through the side wall of the flow channel of the environmental chamber. The guide positioning structure 12 is formed by two rollers on the upper and lower sides of the position where the rain, snow and fog spray gun 10 extends into or passes through the side wall of the flow channel of the environmental chamber;

[0087] When the sliding frame 4 moves to the maximum stroke, the rain, snow and fog spray gun 10 penetrates the side wall of the flow channel of the environmental chamber and stops at the side wall of the flow channel of the environmental chamber on the opposite side;

[0088] Or, the rain, snow and fog spray gun 10 penetrates into the side wall of the flow channel of the environmental chamber and passes out of the side wall of the flow channel of the environmental chamber on the opposite side;

[0089] When the sliding frame 4 moves to the minimum stroke, the rain, snow and fog spray gun 10 is retracted into the side wall of the flow channel of the environmental chamber and stops in the side wall of the flow channel of the environmental chamber;

[0090] Or, the rain, snow and fog spray gun 10 is retracted into the side wall of the flow channel of the environmental chamber and stops outside the side wall of the flow channel of the environmental chamber.

[0091] Optionally, the outer wall of the rain, snow and mist spray gun 10 is formed into a streamlined shape, for example, the cross section of the rain, snow and mist spray gun is an ellipse.

[0092] Unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meaning as those commonly understood by those skilled in the art to which the present invention belongs. It will also be understood that, unless explicitly defined herein, terms such as those defined in general dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant field, and not interpreted in an ideal or overly formal sense.

[0093] The present invention is described in detail above through specific implementation methods and examples, but these do not constitute limitations of the present invention. Without departing from the principle of the present invention, those skilled in the art may make many modifications and improvements, which should also be considered as the protection scope of the present invention.

Claims

1. A telescopic mechanism for a rain, snow and fog spray gun, characterized in that: include: A basic frame (1) fixed to the side of the environmental chamber flow channel (2); Two rails (3) are formed at the upper and lower parts of the base frame (1); A sliding frame (4) is arranged between the two rails (3) and is pulled by a chain (5) to move closer to or away from the environmental chamber flow channel (2); A plurality of rain, snow and mist spray guns (10) are arranged in parallel in the sliding frame (4), and the rain, snow and mist spray guns (10) can extend into or out of the environmental chamber flow channel (2) as the sliding frame (4) approaches or moves away from the environmental chamber flow channel (2); A reduction motor (6) is fixed in the base frame (1) and drives the main shaft (9) to rotate; Two steering gears (7) are respectively formed at both ends of the driving main shaft (9), and respectively drive the upper and lower sprocket wheels (8) to rotate; A chain (5) connects the two sprockets (8) and the sliding frame (4).

2. The telescopic mechanism of the rain, snow and fog spray gun according to claim 1, characterized in that: The outer wall of the rain, snow and mist spray gun (10) is formed into a streamline shape.

3. The telescopic mechanism of the rain, snow and fog spray gun according to claim 1, characterized in that: When the sliding frame (4) moves to the maximum stroke, the rain, snow and fog spray gun (10) penetrates the side wall of the flow channel of the environmental chamber and stops at the side wall of the flow channel of the environmental chamber on the opposite side; Or, the rain, snow and fog spray gun (10) penetrates into the side wall of the flow channel of the environmental chamber and passes out from the side wall of the flow channel of the environmental chamber on the opposite side; When the sliding frame (4) moves to the minimum stroke, the rain, snow and fog spray gun (10) is retracted into the side wall of the flow channel of the environmental chamber and stops in the side wall of the flow channel of the environmental chamber; Or, the rain, snow and fog spray gun (10) is retracted into the side wall of the flow channel of the environmental chamber and stops outside the side wall of the flow channel of the environmental chamber.

4. The telescopic mechanism of the rain, snow and fog spray gun according to claim 1, characterized in that: Also includes: A heat-insulating structure (11) is formed at the position where the rain, snow and fog spray gun (10) extends into or passes through the side wall of the flow channel of the environmental chamber.

5. The telescopic mechanism of the rain, snow and fog spray gun according to claim 4, characterized in that: Also includes: The heat-insulating structure (11) is a heat-insulating cover plate.

6. The telescopic mechanism of the rain, snow and fog spray gun according to claim 1, characterized in that: Also includes: The guide positioning structure (12) is formed at the position where the rain, snow and fog spray gun (10) extends into or passes through the side wall of the flow channel of the environmental chamber.

7. The telescopic mechanism of the rain, snow and fog spray gun according to claim 1, characterized in that: Also includes: The guide positioning structure (12) is formed by two rollers on the upper and lower sides of the position where the rain, snow and fog spray gun (10) extends into or passes through the side wall of the flow channel of the environmental chamber.

8. The telescopic mechanism of the rain, snow and fog spray gun according to claim 1, characterized in that: The basic frame (1) is hoisted in the environmental chamber, and a mounting guide rail is formed at the top of the flow channel, and the guide wheel of the basic frame can move in the mounting guide rail.

Images