Waterproof testing device

Abstract

The utility model relates to the technical field of instrument and instrument panel waterproof detection, and discloses a waterproof testing device, which comprises a shell and a base bolted at the bottom of the shell, and further comprises a water spraying mechanism arranged on one side of the shell, a stepping motor is bolted in an inner cavity of the shell, and a first spur gear is fixed at one position of an output shaft of the stepping motor; according to the utility model, through cooperation of the stepping motor, the first half gear, the second half gear and the third spur gear, the connecting rod can drive the instrument and the instrument disc to swing through the placing shell, so that the detection of the instrument and the instrument disc is more comprehensive, the error of the instrument and the instrument disc is reduced, and the waterproof detection effect of the device is improved; and meanwhile, under the action of the guide mechanism, the situation of position deviation of the connecting rod during working can be effectively prevented, and the stability of the connecting rod is improved, so that the stability of the device is improved, and the problem that the test effect of an existing device is not accurate is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of waterproof detection of instruments and instrument panels, in particular to a waterproof testing device. Background Art

[0002] Instruments are devices or equipment used to detect, measure, observe, and calculate various physical quantities, material components, physical parameters, etc. Vacuum leak detectors, pressure gauges, length gauges, microscopes, multipliers, etc. are all instruments. After production, instruments will be tested for water resistance.

[0003] However, when the existing waterproof testing device is put into use, the instrument and the instrument panel are placed on the table, and water is sprayed on the instrument and the instrument panel for testing. However, the existing devices all fix the instrument and the instrument panel on the table, and can only spray one side of the instrument and the instrument panel, which makes the test data prone to errors, thereby causing unqualified products to be mixed with qualified products, which is easy to cause losses. Utility Model Content

[0004] The purpose of the utility model is to provide a waterproof testing device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a waterproof testing device, comprising a housing and a base bolted to the bottom of the housing, and also comprising:

[0006] A water spray mechanism is arranged on one side of the shell, a stepper motor is bolted to the inner cavity of the shell, a first spur gear is fixed to one point of the output shaft of the stepper motor, a first half gear is fixed to one point of the output shaft of the stepper motor, a second spur gear is meshed on one side of the first spur gear, and a third spur gear is meshed on one side of the first half gear;

[0007] The second half gear is fixed to one side of the second spur gear, the inner cavity of the shell is bolted with a support plate, one side of the third spur gear is bolted with a connecting rod, one side of the connecting rod is provided with a guide mechanism, and the top of the connecting rod is bolted with a placement shell.

[0008] Preferably, the water spraying mechanism includes a water tank bolted to the inner cavity of the outer shell, one side of the water tank is connected to the inner cavity of the outer shell, one side of the water tank is connected to a water pump, the bottom of the water pump is bolted to the top of the outer shell, and the water outlet of the water pump is connected to a nozzle.

[0009] Preferably, the guide mechanism comprises a fixed block bolted to the inner cavity of the shell, a guide groove is provided on one side of the fixed block, a guide rod is slidably connected to the inner cavity of the guide groove, and one side of the guide rod is fixedly connected to one side of the connecting rod.

[0010] Preferably, a bearing seat is fixed to one side of the second half gear via a rotating shaft, and one side of the bearing seat is fixedly connected to one side of the support plate.

[0011] Preferably, the inner cavity of the placement shell is provided with water outlet holes, and the number of the water outlet holes is several.

[0012] Preferably, one side of the water tank is connected to a manual valve.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model can make the connecting rod drive the instrument and the instrument panel to swing through the placement shell through the cooperation of the stepping motor, the first half gear, the second half gear and the third spur gear, so that the instrument and the instrument panel can be detected more comprehensively, the error of the instrument and the instrument panel can be reduced, and the waterproof detection effect of the device can be improved. At the same time, under the action of the guide mechanism, the position displacement of the connecting rod during operation can be effectively prevented, the stability of the connecting rod is increased, thereby increasing the stability of the device and solving the problem of inaccurate test effect of the existing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the housing in the utility model;

[0017] Figure 3 It is a structural schematic diagram of the water spraying mechanism in the utility model;

[0018] Figure 4 It is a structural schematic diagram of the guide mechanism in the utility model;

[0019] Figure 5 It is a structural schematic diagram of the stepping motor and the third spur gear in the utility model.

[0020] In the figure: 1. outer shell; 2. base; 3. water spraying mechanism; 31. water storage tank; 32. water pump; 33. spray pipe; 4. manual valve; 5. stepping motor; 6. first spur gear; 7. second spur gear; 8. first half gear; 9. second half gear; 10. third spur gear; 11. support plate; 12. bearing seat; 13. connecting rod; 14. guide mechanism; 141. fixing block; 142. guide groove; 143. guide rod; 15. placement shell; 16. water outlet. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 As shown, a waterproof testing device includes a shell 1, the shell 1 can make the instrument and the instrument panel inside it for testing, the bottom of the shell 1 is bolted with a base 2, the base 2 can support the device, so that the device can be more stable when working, a water spraying mechanism 3 is arranged on one side of the shell 1, the water spraying mechanism 3 can spray water on the instrument and the instrument panel, so that the device can be tested, a stepper motor 5 is bolted to the inner cavity of the shell 1, a first spur gear 6 is fixed to one part of the output shaft of the stepper motor 5, a first half gear 8 is fixed to one part of the output shaft of the stepper motor 5, and one side of the first spur gear 6 is meshed with a toothed wheel. The first half gear 8 is meshed with a second spur gear 7, a third spur gear 10 is meshed on one side of the first half gear 8, a second half gear 9 is fixed to one side of the second spur gear 7 through a transmission shaft, the first half gear 8 and the second half gear 9 have the same size and are symmetrically designed, and under the action of the stepping motor 5, the first spur gear 6 and the first half gear 8 can be rotated, and the first spur gear 6 drives the second half gear 9 to rotate through the second spur gear 7. When the first half gear 8 drives the third spur gear 10 to rotate to a non-meshing position, the second half gear 9 drives the third spur gear 10 to rotate in the opposite direction, so that the third spur gear The gear 10 can reciprocate, the inner cavity of the housing 1 is bolted with a support plate 11, one side of the second half gear 9 is fixed with a bearing seat 12 through a rotating shaft, one side of the bearing seat 12 is fixedly connected to one side of the support plate 11, which effectively prevents the second half gear 9 and the second spur gear 7 from being offset during operation, thereby increasing the stability of the second half gear 9 and thus the stability of the device, and one side of the third spur gear 10 is bolted with a connecting rod 13, one side of the connecting rod 13 is provided with a guide mechanism 14, under the action of the guide mechanism 14, the connecting rod 13 can be swung The movement is more stable, which increases the stability of the device. A placement shell 15 is bolted on the top of the connecting rod 13, and the instrument and instrument panel can be placed on the top of the placement shell 15 for detection. With the cooperation of the stepper motor 5 and the third spur gear 10, the connecting rod 13 can drive the internal instrument and instrument panel to swing through the placement shell 15, so that the instrument and instrument panel can contact the water surface more comprehensively, thereby increasing the waterproof detection effect of the device. The inner cavity of the placement shell 15 is provided with a water outlet 16, and the number of the water outlet holes 16 is several. The water outlet holes 16 can discharge the water source inside the placement shell 15.

[0023] The water spraying mechanism 3 includes a water tank 31, one side of the water tank 31 is bolted to the inner cavity of the outer shell 1, one side of the water tank 31 is communicated with the inner cavity of the outer shell 1, one side of the water tank 31 is connected to a water pump 32, the bottom of the water pump 32 is bolted to the top of the outer shell 1, and the water outlet of the water pump 32 is communicated with a nozzle 33, the nozzle 33 penetrates to one side of the outer shell 1 and is fixedly connected to the penetration point, under the action of the water pump 32, the water source inside the water tank 31 can enter the nozzle 33, and under the action of the nozzle 33, the instrument and instrument panel placed on the top of the shell 15 can be sprayed, so that the instrument and instrument panel can be tested, one side of the water tank 31 is connected to a manual valve 4, and the manual valve 4 can facilitate the staff to discharge the water source inside the water tank 31.

[0024] The guide mechanism 14 includes a fixed block 141, one side of which is bolted to the inner cavity of the shell 1, and a guide groove 142 is opened on one side of the fixed block 141. The inner cavity of the guide groove 142 is slidably connected with a guide rod 143, and one side of the guide rod 143 is fixedly connected to one side of the connecting rod 13. With the cooperation of the stepper motor 5 and the third spur gear 10, the connecting rod 13 can drive the guide rod 143 to swing inside the guide groove 142, which effectively prevents the connecting rod 13 from being displaced during operation, increases the stability of the connecting rod 13, and thus increases the stability of the device.

[0025] Working principle: First, the staff opens the housing 1 and places the instrument and instrument panel on the top of the placement housing 15, then closes the housing 1 and starts the test. When the test starts, the staff uses the water pump 32 to let the water source inside the water tank 31 enter the inside of the nozzle 33, and then the nozzle 33 flushes the instrument and instrument panel on the top of the placement housing 15. At the same time, the stepper motor 5 drives the first spur gear 6 and the first half gear 8 to rotate, the first spur gear 6 drives the second half gear 9 to rotate through the second spur gear 7, and the first half gear 8 drives the third spur gear 10 to rotate When it reaches the disengaged position, the second half gear 9 drives the third spur gear 10 to rotate in the opposite direction, so that the third spur gear 10 drives the placement shell 15 to rotate through the connecting rod 13, so that the instruments and instrument panel inside the placement shell 15 swing inside the placement shell 15, so that the instruments and instrument panel can be detected more comprehensively. At the same time, the connecting rod 13 drives the guide rod 143 to swing in the inner cavity of the guide groove 142, preventing the placement shell 15 from working unstably. After the inspection is completed, the staff can take out the inspected instruments and instrument panel.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waterproof testing device, comprising a housing (1) and a base (2) bolted to the bottom of the housing (1), characterized in that: Also includes: A water spray mechanism (3) is arranged on one side of the housing (1), a stepper motor (5) is bolted to the inner cavity of the housing (1), a first spur gear (6) is fixed to one point of the output shaft of the stepper motor (5), a first half gear (8) is fixed to one point of the output shaft of the stepper motor (5), a second spur gear (7) is meshed on one side of the first spur gear (6), and a third spur gear (10) is meshed on one side of the first half gear (8); A second half gear (9) is fixed to one side of the second spur gear (7); a support plate (11) is bolted to the inner cavity of the housing (1); a connecting rod (13) is bolted to one side of the third spur gear (10); a guide mechanism (14) is provided on one side of the connecting rod (13); and a placement shell (15) is bolted to the top of the connecting rod (13).

2. A waterproof testing device according to claim 1, characterized in that: The water spray mechanism (3) comprises a water tank (31) bolted to the inner cavity of the outer shell (1); one side of the water tank (31) is in communication with the inner cavity of the outer shell (1); one side of the water tank (31) is in communication with a water pump (32); the bottom of the water pump (32) is bolted to the top of the outer shell (1); and the water outlet of the water pump (32) is in communication with a spray pipe (33).

3. A waterproof testing device according to claim 1, characterized in that: The guide mechanism (14) comprises a fixed block (141) bolted to the inner cavity of the housing (1); a guide groove (142) is provided on one side of the fixed block (141); a guide rod (143) is slidably connected to the inner cavity of the guide groove (142); and one side of the guide rod (143) is fixedly connected to one side of the connecting rod (13).

4. A waterproof testing device according to claim 1, characterized in that: A bearing seat (12) is fixed to one side of the second half gear (9) via a rotating shaft, and one side of the bearing seat (12) is fixedly connected to one side of the support plate (11).

5. A waterproof testing device according to claim 1, characterized in that: The inner cavity of the placement shell (15) is provided with water outlet holes (16), and the number of the water outlet holes (16) is a plurality.

6. A waterproof testing device according to claim 2, characterized in that: One side of the water storage tank (31) is connected to a manual valve (4).

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