CN211855713U - Test box of sand dust test device - Google Patents

Abstract

The utility model belongs to the technical field of the proof box, especially, be a sand and dust test device's proof box, including proof box casing and vibrations case, the front end fixed surface of proof box casing is connected with the hinge, and the proof box casing has the dodge gate through hinge swing joint, and the inside fixed mounting of dodge gate has the observation window, and the touch screen is installed to front end surface one side of proof box casing, and the vibrations case is located the downside of proof box casing, and the inboard of vibrations case is provided with the puigging, and the internally mounted of proof box casing has the vibration screen. The utility model discloses a set up syllable-dividing damping felt and polyester fiber abatvoix and mutually support and can completely cut off sound in the proof box casing again when weakening internal noise, fine improvement operational environment on every side, through the drum that sets up, place board, inner tube, dwang, rotary trough, first gear etc. and use, be convenient for adjust the experimental product position of placing the board top, can satisfy the experimental demand of more size article.

Description

Test box of sand dust test device

Technical Field

The utility model relates to a proof box technical field specifically is a sand and dust test device's proof box.

Background

The dust and sand test box is suitable for various automobile parts to do dust prevention and dust resistance tests, and the test parts comprise a car lamp, an instrument, an electric dustproof sleeve, a steering system, a door lock and the like to test the tightness of products. But the vibrations case of traditional sand and dust proof box below is at the during operation, and inside dust blowing fan and vibrating device can produce great noise, because the noise reduction effect of proof box is relatively poor, these mechanical noise will cause certain influence to the surrounding environment, and the board height of placing of proof box inside simultaneously is unchangeable, so be not convenient for adjust the position of experimental product, can not satisfy the test demand of more sizes article.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a sand and dust test device's proof box, the vibrations case of having solved traditional sand and dust proof box below at the during operation, inside dust blowing fan and vibrating device can produce great noise, because the noise reduction effect of proof box is relatively poor, these mechanical noise will cause certain influence to the surrounding environment, the inside board height of placing of proof box is unchangeable simultaneously, so be not convenient for adjust the position of experimental product, can not satisfy the problem of the test demand of more size article.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sand and dust test device's proof box, includes proof box casing and vibrations case, the front end surface fixedly connected with hinge of proof box casing, the proof box casing has the dodge gate through hinge swing joint, the inside fixed mounting of dodge gate has the observation window, the touch screen is installed to front end surface one side of proof box casing, the vibrations case is located the downside of proof box casing, and the inboard of vibrations case is provided with the puigging, the internally mounted of proof box casing has the vibrating screen, the board is placed through position control mechanism fixedly connected with in the top of vibrating screen.

As a preferred technical scheme of the utility model, the position adjusting mechanism comprises a cylinder fixedly connected with a vibrating screen, the interior of the cylinder is movably connected with an inner cylinder, one end of the inner cavity bottom of the cylinder, which is far away from the inner cylinder, passes through the cylinder opening of the cylinder and extends outwards to be fixedly connected with the bottom of a placing plate, one side of the bottom of the cylinder is provided with a rotary groove, the interior of the rotary groove is rotatably connected with a rotary rod, the rotary rod passes through the bottom of the rotary groove and extends inwards and is fixedly connected with a first gear, the bottom of the inner cylinder is fixedly welded with a nut, the inner side of the nut is connected with a threaded rod, one end of the threaded rod, which is far away from the inner cavity bottom of the cylinder, passes through the bottom of the inner cylinder and extends towards the interior of the inner cylinder, the bottom of the inner cavity bottom of the cylinder is connected with a bearing, the bottom of, the second gear is in meshed connection with the first gear.

As a preferred technical scheme of the utility model, fixedly connected with stopper on the two lateral walls that the inner tube is close to the bottom, the stopper is kept away from the one end of inner tube and is seted up flutedly, the inside roll connection of recess has the steel ball, the spacing groove has been seted up to the inside wall of drum, the steel ball is kept away from the tank bottom one end of recess and is passed the notch of recess and outwards extend to the tank bottom rolling contact with the spacing groove.

As a preferred technical scheme of the utility model, the one end welded fastening that the nut was kept away from to the threaded rod has the dog, the through-hole has been seted up to the bottom of inner tube, and the diameter size of dog is greater than the internal diameter size of through-hole.

As a preferred technical scheme of the utility model, the notch that the one end that first gear was kept away from to the dwang passed the turn trough and outwards extend and fixedly connected with handle, the surface cover of handle is equipped with rubber antiskid cover.

As an optimal technical scheme of the utility model, the puigging is by outer damping felt, cushion and the polyester fiber abatvoix of having set gradually to interior, damping felt, cushion and polyester fiber abatvoix are two liang between through viscose fixed connection.

As an optimal technical scheme of the utility model, the cushion is bilayer structure, and evenly distributed has a plurality of elastic ball between the double-deck cushion, the inside even packing of polyester fiber abatvoix has a plurality of glass fiber core, and the shape of glass fiber core is the ellipsoid shape.

As an optimal technical scheme of the utility model, the movable wheel is installed to four edges in the bottom of test box casing, the surface of movable wheel is provided with the wearing layer.

As an optimal technical scheme of the utility model, the weeping hole has been seted up at the top of placing the board, and the quantity of weeping hole is a plurality of groups.

Compared with the prior art, the utility model provides a sand and dust test device's proof box possesses following beneficial effect:

1. the test box of the sand dust test device has good wide-frequency-band sound insulation performance and high damping performance through the arranged sound insulation damping felt, has the effect of isolating sound, prevents external noise from entering the interior of a test box shell, has good buffering and damping functions by arranging the elastic pad adopting a double-layer structure, can reduce the influence of external impact force on the test box shell to a certain extent and can also reduce the influence of internal impact, the arranged polyester fiber sound absorption board can weaken the noise generated by an internal vibration device and a dust blowing fan, the glass fiber core filled in the polyester fiber sound absorption board enhances the sound absorption effect of the polyester fiber sound absorption board, therefore, the sound insulation damping felt and the polyester fiber sound absorption plate are matched with each other, so that the internal noise is weakened, and meanwhile, the sound can be isolated in the test box shell, and the surrounding working environment is well improved;

2. this dust test device's proof box, drum through setting up, place the board, the inner tube, the dwang, the turn trough, first gear, the second gear, the threaded rod, the nut, the cooperation of handle is used, when the position of experimental product is adjusted to needs, the staff drives the dwang through rotating the handle and rotates at the turn trough, the rotation of dwang drives first gear and rotates, make the threaded rod rotate by the meshing transmission of first gear and second gear, the nut threaded connection of bottom of the barrel portion including threaded rod and fixed connection, and then drive the inner tube and reciprocate inside the drum, it also can follow the inner tube and reciprocate to place the board, thereby be convenient for adjust the experimental product position of placing the board top, can satisfy the experimental demand of more size article.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a test chamber of a sand dust test device of the present invention;

FIG. 2 is a front view of a test chamber of a sand and dust test apparatus of the present invention;

FIG. 3 is a schematic structural diagram of a soundproof layer of a test chamber of the sand dust test device of the present invention;

fig. 4 is a schematic structural diagram of a position adjusting mechanism of a test chamber of a dust testing device according to the present invention;

FIG. 5 is an enlarged view of the test chamber of the sand and dust test apparatus of the present invention at FIG. 4A;

fig. 6 is a top view of the placing plate of the test box of the sand dust test device of the present invention.

In the figure: 1. a test box housing; 2. a hinge; 3. a movable door; 4. an observation window; 5. a touch screen; 6. a vibration box; 7. a sound insulating layer; 71. a sound-insulating damping felt; 72. an elastic pad; 720. an elastic ball; 73. a polyester fiber acoustic panel; 730. a glass fiber core; 8. a movable wheel; 9. a vibrating screen; 10. a cylinder; 11. placing the plate; 12. an inner barrel; 13. rotating the rod; 14. rotating the groove; 15. a first gear; 16. a second gear; 17. a threaded rod; 18. a nut; 19. a limiting groove; 20. a bearing; 21. a handle; 22. a limiting block; 23. a groove; 24. steel balls; 25. and (4) a leak hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, in the present embodiment: the utility model provides a test box of sand and dust test device, including test box casing 1 and vibrations case 6, test box casing 1's front end surface fixedly connected with hinge 2, test box casing 1 has dodge gate 3 through 2 swing joint of hinge, the inside fixed mounting of dodge gate 3 has observation window 4, can be at any time clear observation incasement situation, touch screen 5 is installed to test box casing 1's front end surface one side, be convenient for control the procedure of test box, vibrations case 6 is located test box casing 1's downside, and vibrations case 6's inboard is provided with puigging 7, play the effect of isolated sound, test box casing 1's internally mounted has vibrating screen 9, vibrating screen 9's top is through position control mechanism fixedly connected with place board 11.

In this embodiment, the position adjusting mechanism includes a cylinder 10 fixedly connected to the vibrating screen 9, an inner cylinder 12 is movably connected to the inside of the cylinder 10, one end of the inner cylinder 12, which is far away from the bottom of the inner cavity of the cylinder 10, passes through the opening of the cylinder 10 and extends outward to be fixedly connected to the bottom of the placing plate 11, a rotating groove 14 is formed in one side of the bottom of the cylinder 10, a rotating rod 13 is rotatably connected to the inside of the rotating groove 14, the rotating rod 13 passes through the bottom of the rotating groove 14 and extends inward and is fixedly connected to a first gear 15, a nut 18 is fixedly welded to the bottom of the inner cylinder 12, a threaded rod 17 is connected to the inner side of the nut 18 through a thread, one end of the threaded rod 17, which is far away from the bottom of the inner cavity of the cylinder 10, passes through the bottom of the inner cylinder 12 and extends toward the inside of the inner cylinder 12, a bearing 20 is clamped to the, the second gear 16 is meshed with the first gear 15, when the position of a test product needs to be adjusted, a worker drives the rotating rod 13 to rotate in the rotating groove 14 through the rotating handle 21, the rotating rod 13 drives the first gear 15 to rotate, the threaded rod 17 is driven to rotate through meshing transmission of the first gear 15 and the second gear 16, the threaded rod 17 is in threaded connection with a nut 18 fixedly connected to the bottom of the inner cylinder 12, the inner cylinder 12 is driven to move up and down in the cylinder 10, the placing plate 11 can also move up and down along with the inner cylinder 12, so that the position of the test product above the placing plate 11 can be adjusted conveniently, and the test requirements of articles with more sizes can be met; the two outer side walls of the inner cylinder 12 close to the bottom are fixedly connected with limiting blocks 22, one end of each limiting block 22 far away from the inner cylinder 12 is provided with a groove 23, the inside of each groove 23 is connected with a steel ball 24 in a rolling manner, the inner side wall of the cylinder 10 is provided with a limiting groove 19, and one end, far away from the groove bottom of each groove 23, of each steel ball 24 penetrates through the notch of each groove 23 and extends outwards to be in rolling contact with the groove bottom of each limiting groove 19, so that the inner; a stop block is welded and fixed at one end of the threaded rod 17, which is far away from the nut 18, so that the inner cylinder 12 is prevented from being separated from the threaded rod 17, a through hole is formed in the bottom of the inner cylinder 12, and the diameter of the stop block is larger than the inner diameter of the through hole, so that the threaded rod 17 can move up and down conveniently; one end of the rotating rod 13, which is far away from the first gear 15, penetrates through the notch of the rotating groove 14, extends outwards and is fixedly connected with a handle 21, and a rubber anti-slip sleeve is sleeved on the outer surface of the handle 21, so that the friction force of hands can be improved during rotation, and the phenomenon of hand slip is prevented; the soundproof layer 7 is sequentially provided with a soundproof damping felt 71, an elastic pad 72 and a polyester fiber acoustic board 73 from outside to inside, the soundproof damping felt 71, the elastic pad 72 and the polyester fiber acoustic board 73 are fixedly connected with each other through viscose, the elastic pad 72 is of a double-layer structure, a plurality of elastic balls 720 are uniformly distributed between the double-layer elastic pads 72, a plurality of glass fiber cores 730 are uniformly filled in the polyester fiber acoustic board 73, the glass fiber cores 730 are ellipsoidal, the soundproof damping felt 71 has good wide-frequency-band soundproof performance and high damping performance, the effect of isolating sound is achieved, external noise is prevented from entering the inside of the test box shell 1, the elastic pad 72 adopting the double-layer structure is arranged, the function of good buffering and shock absorption is achieved, the influence of external impact force on the test box shell 1 can be reduced to a certain degree, and the influence of internal impact can also be reduced, the polyester fiber sound-absorbing board 73 can weaken the noise generated by an internal vibration device and a dust blowing fan, and the glass fiber core 730 filled in the polyester fiber sound-absorbing board 73 enhances the sound-absorbing effect of the polyester fiber sound-absorbing board 73, so that the sound-absorbing damping felt 71 and the polyester fiber sound-absorbing board 73 are matched with each other to weaken the internal noise and isolate the sound in the test box shell 1, thereby well improving the surrounding working environment; movable wheels 8 are mounted at four corners of the bottom of the test box shell 1, a wear-resistant layer is arranged on the outer surface of each movable wheel 8, the movable wheels 8 are convenient to move the test box, and meanwhile, the wear-resistant layers are beneficial to prolonging the service life of the movable wheels 8; the top of the placing plate 11 is provided with a plurality of groups of leakage holes 25, and the leakage holes 25 are convenient for the falling and collection of sand dust.

The utility model discloses a theory of operation and use flow: when the noise-proof damping felt test box is used, when noise generated by an internal vibration device and a dust blowing fan is diffused to a sound-proof layer 7, firstly, a polyester fiber sound-absorbing board 73 and a glass fiber core 730 act together to absorb part of the generated noise, the rest part of the noise is continuously transmitted outwards, when meeting a sound-proof damping felt 71, the sound-proof damping felt 71 reflects back to be continuously absorbed by the polyester fiber sound-absorbing board 73, the sound-proof damping felt 71 and the polyester fiber sound-absorbing board 73 are mutually matched to weaken the internal noise and isolate the sound in the test box shell 1, the surrounding working environment is well improved, when the position of a test product needs to be adjusted, a worker drives a rotating rod 13 to rotate in a rotating groove 14 through a rotating handle 21, the rotating rod 13 drives a first gear 15 to rotate, and the threaded rod 17 is driven to rotate through the meshing transmission of the first gear 15 and a second gear 16, threaded rod 17 and the 18 threaded connection of nut of fixed connection in inner tube 12 bottom, and then drive inner tube 12 and reciprocate in drum 10 is inside, places board 11 and also can follow inner tube 12 and reciprocate to be convenient for adjust the experimental product position of placing board 11 top, can satisfy the experimental demand of more sizes article.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a test box of sand and dust test device, includes test box casing (1) and vibrations case (6), its characterized in that: the utility model discloses a test box, including test box casing (1), front end surface fixed connection of test box casing (1) has hinge (2), test box casing (1) has dodge gate (3) through hinge (2) swing joint, the inside fixed mounting of dodge gate (3) has observation window (4), touch screen (5) are installed to front end surface one side of test box casing (1), vibrations case (6) are located the downside of test box casing (1), and the inboard of vibrations case (6) is provided with puigging (7), the internally mounted of test box casing (1) has vibration net (9), board (11) are placed through position control mechanism fixedly connected with to the top of vibration net (9).

2. A test chamber of a dust test apparatus according to claim 1, wherein: position control mechanism includes drum (10) with vibration net (9) fixed connection, the inside swing joint of drum (10) has inner tube (12), the inner chamber bottom one end that drum (10) was kept away from in inner tube (12) passes the nozzle of drum (10) and outwards extends to and places the bottom fixed connection of board (11), rotary trough (14) have been seted up to bottom one side of drum (10), the internal rotation of rotary trough (14) is connected with dwang (13), dwang (13) pass the tank bottom of rotary trough (14) and inwards extend and fixedly connected with first gear (15), the bottom welded fastening of inner tube (12) has nut (18), the inboard threaded connection of nut (18) has threaded rod (17), the inner chamber bottom one end that drum (10) was kept away from in threaded rod (17) passes the bottom of inner tube (12) and inwards extends, the inner chamber bottom joint of drum (10) has bearing (20), the bottom of threaded rod (17) is cup jointed in the inner circle of bearing (20), the top of bearing (20) and the fixed cover of surface that is located threaded rod (17) are equipped with second gear (16), second gear (16) are connected with first gear (15) meshing.

3. A test chamber of a dust test apparatus according to claim 2, wherein: fixedly connected with stopper (22) on two lateral walls that inner tube (12) are close to the bottom, stopper (22) are kept away from the one end of inner tube (12) and are seted up fluted (23), the inside roll connection of recess (23) has steel ball (24), spacing groove (19) have been seted up to the inside wall of drum (10), the tank bottom one end that recess (23) were kept away from in steel ball (24) is passed the notch of recess (23) and is outwards extended to the tank bottom rolling contact with spacing groove (19).

4. A test chamber of a dust test apparatus according to claim 2, wherein: one end of the threaded rod (17) far away from the nut (18) is fixedly welded with a stop block, a through hole is formed in the bottom of the inner barrel (12), and the diameter of the stop block is larger than the inner diameter of the through hole.

5. A test chamber of a dust test apparatus according to claim 2, wherein: the one end that first gear (15) were kept away from in dwang (13) passes the notch and the outside extension and fixedly connected with handle (21) of turn trough (14), the surface cover of handle (21) is equipped with rubber antiskid cover.

6. A test chamber of a dust test apparatus according to claim 1, wherein: the soundproof layer (7) is provided with soundproof damping felt (71), elastic pad (72) and polyester fiber acoustic board (73) from outside to inside in proper order, soundproof damping felt (71), elastic pad (72) and polyester fiber acoustic board (73) are through viscose fixed connection between two liang.

7. A test chamber of a sand and dust test apparatus as claimed in claim 6, wherein: the elastic pad (72) is of a double-layer structure, a plurality of elastic balls (720) are uniformly distributed between the double-layer elastic pad (72), a plurality of glass fiber cores (730) are uniformly filled in the polyester fiber sound-absorbing board (73), and the glass fiber cores (730) are in an ellipsoidal shape.

8. A test chamber of a dust test apparatus according to claim 1, wherein: four edges of the bottom of the test box shell (1) are provided with movable wheels (8), and the outer surfaces of the movable wheels (8) are provided with wear-resistant layers.

9. A test chamber of a dust test apparatus according to claim 1, wherein: the top of the placing plate (11) is provided with a plurality of groups of leakage holes (25).

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