CN115790988A

CN115790988A - Waterproof testing device for instrument

Info

Publication number: CN115790988A
Application number: CN202310091403.0A
Authority: CN
Inventors: 王勇
Original assignee: Qingdao Binchuan Intelligent Technology Co ltd
Current assignee: Qingdao Binchuan Intelligent Technology Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-03-14
Anticipated expiration: 2043-02-10
Also published as: CN115790988B

Abstract

The invention relates to the technical field of instrument testing, in particular to a waterproof testing device for an instrument, which comprises a testing box, a mounting seat and a dial indicator body, wherein an opening is formed in the upper part of the testing box, the mounting seat is arranged at the opening, U-shaped frames are arranged on two sides of the testing box in a sliding mode, the mounting seat is rotatably arranged between the two U-shaped frames, a plurality of inserting grooves are formed in the mounting seat in a penetrating mode, a plurality of spray heads are arranged on the inner walls of two sides of the testing box, a clamping mechanism is arranged on the mounting seat, and a swinging testing mechanism is arranged between the mounting seat and the testing box. According to the invention, the dial gauge body is sprayed more uniformly, a better test effect is achieved, defective products are convenient to remove, the overall operation is convenient and fast, the test effect is better, the dial gauge is suitable for batch test, the batch test degree is consistent, and the consistency of products is ensured.

Description

Waterproof testing device for instrument

Technical Field

The invention relates to the technical field of instrument testing, in particular to a waterproof testing device for an instrument.

Background

The instrument and meter is an instrument or equipment used for detecting, measuring, observing and calculating various physical quantities, material components, physical parameters and the like, and can also have the functions of automatic control, alarming, signal transmission, data processing and the like, the instrument and meter has various types and wide fields, wherein the dial indicator can be a measuring instrument widely applied, most of the dial indicators convert general linear displacement (linear motion) into rotary motion of a pointer through a gear or a lever, and then a length measuring instrument for reading is arranged on the dial indicator, and the length measuring instrument is provided with a telescopic contact end, so that outdoor rainy days are difficult to avoid in daily use, the requirement on the waterproof performance of the dial indicator is high, the general requirement reaches the ip65 waterproof grade, the ip65 waterproof grade requires that foreign matters and dust are prevented from invading and sprayed water is prevented from invading, and generally, the sprayed water cannot enter the inside of the dial indicator, and foreign matters cannot enter the dial indicator.

At present, waterproof test to the amesdial is mostly accomplished through manual detection, be about to the amesdial puts into the aquatic, the finger presses the flexible end work of amesdial, observe whether it breaks down, however, put into static aquatic and can't reach better test requirement, and use quiet stagnant water repeatedly, aquatic impurity is more, test back impurity adhesion is on the amesdial, and simultaneously, the manual efficiency of pressing the test is too slow, the single can only carry out single amesdial test, inefficiency, and it is the same to be difficult to guarantee every product test number of times.

Disclosure of Invention

In view of the above, the present invention is directed to a waterproof testing apparatus for an instrument, so as to solve the above problems.

Based on the above purpose, the invention provides a waterproof testing device for an instrument.

The utility model provides a waterproof testing arrangement for instrument and meter, includes test box, mount pad, amesdial body, open on test box upper portion has the opening, the mount pad sets up in the opening part, the test box both sides all slide and are equipped with the U-shaped frame, the mount pad rotates and locates between two U-shaped frames, electric putter is all installed to the test box both sides, and two electric putter are used for driving two U-shaped frame lifts, can drive the mount pad by opening business turn over test box when two U-shaped frame lifts, it has a plurality of slots to run through on the mount pad, and a plurality of amesdial bodies can be pegged graft and establish in the slot, a plurality of shower heads are all installed to test box both sides inner wall, be equipped with clamping mechanism on the mount pad, and be equipped with between mount pad and the test box and sway accredited testing organization, sway the test mechanism and be used for spraying when testing and swing extrusion pointer to the amesdial body.

Further, electric putter is fixed in the test box both sides respectively, and two electric putter outputs are fixed in two U-shaped frame upper ends respectively through the connecting block, U-shaped frame one side inner wall all is fixed with spacing bead, the spacing groove has all been opened to the test box both sides, and two spacing beads slide respectively and locate two spacing inslots.

Furthermore, quick-operation joint is installed to test box one side, and quick-operation joint is linked together with the test box is inside, and quick-operation joint accessible hose is connected with the water supply end.

Further, the outer wall of test box both sides all is fixed with first water pipe, and first water pipe one side all is connected with a plurality of branch pipes of intaking, and inside a plurality of branch pipes of intaking other end all extended to the test box, the shower head of both sides was installed respectively in the branch pipe one end of intaking of both sides, the water pump is installed to the inside diapire of test box, and the water pump goes out the water end and is connected with two second water pipes, and two second water pipe other ends all extend to the test box outside and respectively with two first water union couplings.

Further, clamping mechanism sets up in the arc clamp plate of a plurality of slots including the activity, and the equal fixedly connected with sliding pin in arc clamp plate both sides, the mount pad both sides are located slot position department and all open the bar groove, sliding pin keeps away from arc clamp plate one end and runs through the bar groove that corresponds respectively, the slide of mount pad both sides is equipped with same side bearer, and sliding pin one end all is fixed in side bearer one end, side bearer one end is fixed with the knock pin, test box one side inside is fixed with the dead lever, and is the slope structure on the dead lever, when the mount pad moves down, knock pin one end can with dead lever contact extrusion and drive the side bearer removal.

Furthermore, a spring is fixed on the inner wall of one side of the side frame close to the top pin, a turntable is fixed at the other end of the spring, and the turntable can be tightly propped against one side of the U-shaped frame at one side.

Further, the test mechanism sways is including being fixed in the basin board of test box lower part, and the basin board is "concave" type structure, and one of them U-shaped frame one side inner wall is fixed with the motor cover, and motor cover internal fixation has the motor that just reverses, thereby just reversing the motor and being used for driving the reciprocal rotation of mount pad and driving the pendulum movement of amesdial body, when the mount pad drove the amesdial body and gets into the inside rotatory swing of test box, the flexible end of amesdial body can be at basin board both sides lateral wall extrusion test, a plurality of rectangle mouths have all been opened to basin board both sides lateral wall, and all are equipped with the filter screen in the rectangle mouth.

Furthermore, the upper portion is equipped with the baffle in the test box, the flexible end of amesdial body can contact with the baffle, baffle one side is fixed with the pivot, and the test box both sides outer wall is passed respectively at pivot both ends, be equipped with the torsional spring between pivot one end and the test box outer wall, and the pivot other end is fixed with the dog, can extrude the dog and drive the pivot rotation when one of them U-shaped frame lower extreme moves down.

Further, U-shaped frame upper end all is fixed with the installation piece, and is equipped with a commentaries on classics board between two installation pieces, and changes the board and run through its both sides and be equipped with the intake pipe, and the intake pipe both ends run through two installation pieces respectively and rotate rather than being connected, change the inboard equidistance and be equipped with a plurality of branch pipes that admit air, and branch pipe one end that admits air all is linked together with the intake pipe, and the branch pipe other end that admits air all passes commentaries on classics board one side and is connected with jet-propelled cover, and a plurality of jet-propelled covers correspond the setting with a plurality of slots, intake pipe one end has the air pump through hose connection.

Furthermore, a second magnetic block is fixed on one side, close to the rotating plate, of the mounting block, a third magnetic block is fixed on one side, close to the rotating plate, of the U-shaped frame, first magnetic blocks are fixed on two sides of the rotating plate, and after the rotating plate is vertically turned over, the first magnetic blocks can be switched between the second magnetic blocks and the third magnetic blocks for tight suction.

The invention has the beneficial effects that:

according to the invention, through the installation seat and the slots formed in the installation seat, the dial indicator body is inserted into the slots, and the spraying heads, the air injection covers and the swinging test mechanism are matched, so that when the dial indicator is used, the dial indicator body can be sequentially inserted into the slots on the installation seat, and then two electric push rods are driven, so that the two U-shaped frames drive the installation seat and the dial indicator bodies to move downwards into the test box, and then the forward and reverse motors are started to drive the installation seat to rotate left and right so as to enable the dial indicator bodies to swing back and forth, the telescopic ends of the dial indicator body can repeatedly extrude and test the side walls on two sides of the water channel plate, meanwhile, the spraying heads on two sides continuously spray water on the dial indicator body, and simultaneously, as the dial indicator body continuously swings, the dial indicator body is sprayed more uniformly, a better test effect is achieved, the sprayed water flows to the bottom of the test box after being filtered by the two sides, and is repeatedly extracted and used by the water pump, water sources are saved, after the water quality is filtered, the electric push rods push the installation seat, at the air injection plates are rotated to the lower part, so that the air injection covers are aligned to the surfaces of the dial indicator bodies are quickly and the bead can be completely blown back.

According to the invention, when two U-shaped frames drive the installation seat to move downwards through the matching of the arranged clamping mechanisms and the baffle, one end of the ejector pin is in contact with the fixed rod and is extruded by the slope structure to drive the side frame to move, so that the arc-shaped pressing plates move towards one side to press the dial indicator bodies, automatic clamping and fixing are realized, the phenomenon that the dial indicator bodies are unstably dropped during subsequent swing tests is avoided, after clamping, the installation seat moves downwards continuously, the telescopic ends of the dial indicator bodies are all abutted against the upper part of the baffle, so that the installation seat can be suspended at the moment, whether the readings of the dial indicators are normal or not can be observed, and then the dial indicators move downwards continuously, the lower end of one U-shaped frame extrudes the baffle and drives the rotating shaft to rotate, so that the baffle rotates to a vertical state, the installation seat and the dial indicator bodies move downwards smoothly, after the spray swing tests are finished, the installation seat is driven to be lifted to return, when the lower end of one U-shaped frame is moved to approach the tail end, the baffle is continuously rotated to a horizontal state, the arc-shaped pressing plates are not released, so that the baffle again extrudes the dial indicator bodies again, the reading of the dial indicators can be normal or not conveniently, the batch tests are convenient, and the batch tests are more consistent, and the batch tests are suitable for batch tests are convenient.

Drawings

In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a schematic perspective cross-sectional view of an embodiment of the present invention;

FIG. 3 is a side-view, cross-sectional schematic diagram of an embodiment of the present invention;

FIG. 4 is a schematic plan view of the embodiment of the present invention;

FIG. 5 is a perspective view of a U-shaped frame and a rotating plate according to an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional plan view of a rotating plate according to an embodiment of the present invention;

FIG. 7 is a perspective view of a mounting base according to an embodiment of the present invention;

FIG. 8 is a schematic perspective view of a sideframe according to an embodiment of the present invention;

FIG. 9 is a perspective view of a baffle according to an embodiment of the present invention.

Labeled in the figure as:

1. a test box; 2. a mounting base; 3. a first water pipe; 4. a second water pipe; 5. a quick coupling; 6. an electric push rod; 7. a limiting groove; 8. a U-shaped frame; 9. rotating the plate; 10. an air blast hood; 11. a stopper; 12. a baffle plate; 13. a dial gauge body; 14. mounting a block; 15. a shower head; 16. a sink plate; 17. filtering with a screen; 18. an opening; 19. an air inlet pipe; 20. a torsion spring; 21. fixing the rod; 22. a water pump; 23. a first magnetic block; 24. a second magnetic block; 25. a third magnetic block; 26. a side frame; 27. inserting slots; 28. a motor cover; 29. a limit bead; 30. a knock pin; 31. an intake manifold; 32. a rotating shaft; 33. a turntable; 34. a strip-shaped groove; 35. an arc-shaped pressing plate; 36. a slide pin; 37. a spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to specific embodiments below.

It is to be noted that technical terms or scientific terms used herein should have the ordinary meaning as understood by those having ordinary skill in the art to which the present invention belongs, unless otherwise defined. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

As shown in fig. 1-9, a waterproof testing device for instruments and meters, including test box 1, mount pad 2, dial indicator body 13, open on test box 1 upper portion has opening 18, mount pad 2 sets up in opening 18 department, test box 1 both sides all slide and are equipped with U-shaped frame 8, mount pad 2 rotates and locates between two U-shaped frame 8, electric putter 6 is all installed to test box 1 both sides, and two electric putter 6 are used for driving two U-shaped frame 8 to go up and down, can drive mount pad 2 by opening 18 business turn over test box 1 when two U-shaped frame 8 go up and down, it has a plurality of slots 27 to run through on mount pad 2, a plurality of dial indicator bodies 13 can be pegged graft and locate in slot 27, a plurality of shower heads 15 are all installed to test box 1 both sides inner wall, be equipped with clamping mechanism on mount pad 2, and be equipped with swaing test mechanism between mount pad 2 and test box 1, swaing test mechanism swings extrusion pointer test to dial indicator body 13 when being used for spraying the test, make dial indicator body 13 spray more evenly, reach better test effect, the whole convenient test, the test effect, be suitable for in batches.

Electric putter 6 is fixed in 1 both sides of test box respectively, and two electric putter 6 output are fixed in two U-shaped frame 8 upper ends respectively through the connecting block, and the inner wall of one side of U-shaped frame 8 all is fixed with spacing bead 29, and test box 1 both sides all are opened spacing groove 7, and two spacing beads 29 slide respectively and locate two spacing inslots 7.

Quick-operation joint 5 is installed to 1 one side of test box, and quick-operation joint 5 is linked together with test box 1 is inside, and quick-operation joint 5 accessible hose is connected with the end that supplies water, supplies water end accessible quick-operation joint 5 and supplies water to the test box 1 is inside to carry out the initial stage.

The outer wall of 1 both sides of test box all is fixed with

first water pipe

3, and 3 one sides of first water pipe all are connected with a plurality of branch pipes of intaking, a plurality of branch pipes of intaking other ends all extend to 1 inside of test box, the shower head 15 of both sides is installed respectively in the branch pipe one end of intaking of both sides, water pump 22 is installed to 1 inside diapire of test box, and water pump 22 goes out the water end and is connected with two second water pipes 4, two second water pipe 4 other ends all extend to 1 outside of test box and are connected with two first water pipes 3 respectively, water pump 22 starts to pass through second water pipe 4, first water pipe 3, the branch pipe of intaking supplies water to shower head 15 and sprays.

The clamping mechanism comprises arc-shaped pressing plates 35 movably arranged in the slots 27, sliding pins 36 are fixedly connected to two sides of each arc-shaped pressing plate 35, strip-shaped grooves 34 are formed in the positions, located in the slots 27, of two sides of the installation seat 2, one ends, far away from the arc-shaped pressing plates 35, of the sliding pins 36 penetrate through the corresponding strip-shaped grooves 34 respectively, the same side frame 26 is arranged on two sides of the installation seat 2 in a sliding mode, one end of each sliding pin 36 is fixed to one end of the corresponding side frame 26, a top pin 30 is fixed to one end of the corresponding side frame 26, a fixing rod 21 is fixed to the inside of one side of the test box 1, the upper end of the fixing rod 21 is of a slope structure, when the installation seat 2 moves downwards, one end of the top pin 30 can be in contact with the fixing rod 21 and can be in contact with the fixing rod 21 to drive the side frame 26 to move under the extrusion effect of the slope structure, the arc-shaped pressing plates 35 move towards one side to press the dial indicator bodies 13, the dial indicator bodies 13 are clamped and fixed automatically, and instability during follow-up swing tests is avoided.

A spring 37 is fixed on the inner wall of one side of the side frame 26 close to the top pin 30, and a rotary disc 33 is fixed on the other end of the spring 37, and the rotary disc 33 can be tightly propped against one side of the U-shaped frame 8 on one side.

The swinging test mechanism comprises a water tank plate 16 fixed at the lower part in a test box 1, the water tank plate 16 is of a concave structure, a motor cover 28 is fixed on the inner wall of one side of one U-shaped frame 8, a forward and reverse motor is fixed in the motor cover 28, the forward and reverse motor is used for driving a mounting seat 2 to rotate in a reciprocating mode so as to drive a dial indicator body 13 to swing, when the mounting seat 2 drives the dial indicator body 13 to rotate in the test box 1, the telescopic end of the dial indicator body 13 can be in extrusion test on the side walls of the two sides of the water tank plate 16, the mounting seat 2 and the dial indicator body 13 descend to enter the test box 1, the forward and reverse motor is started to drive the mounting seat 2 to rotate left and right so that a plurality of dial indicator bodies 13 can swing in a reciprocating mode, the telescopic end of the dial indicator body 13 can be in contact with the side walls of the water tank plate 16 repeatedly to perform extrusion test, meanwhile, the spray heads 15 on the two sides continuously spray water on the dial indicator body 13, the dial indicator body 13 continuously swing, the spray water is sprayed on the side walls of the two sides of the water tank plate 16, a plurality of the side walls, a filter screen 17 in the water tank plate 16, the filter the water quality of the water tank 1, and the water pump is prevented from being repeatedly discharged from being used after the filter 22, and the water pump is repeatedly used for saving.

Upper portion is equipped with baffle 12 in the test box 1, the flexible end of amesdial body 13 can contact with baffle 12, baffle 12 one side is fixed with pivot 32, the outer wall of test box 1 both sides is passed respectively at pivot 32 both ends, be equipped with torsional spring 20 between pivot 32 one end and the test box 1 outer wall, and the pivot 32 other end is fixed with dog 11, can extrude dog 11 and drive pivot 32 rotatory when 8 lower extremes of one of them U-shaped frame move down, when mount pad 2 descends the initial section, the flexible end of amesdial body 13 all supports tightly in baffle 12 upper portion, can pause mount pad 2 this moment and observe whether the reading of a plurality of amesdial bodies 13 is normal, the back finishes in the test, when mount pad 2 rises to and is close the end, the flexible end of a plurality of amesdial bodies 13 is extruded again to baffle 12, can stand a period of time this moment and supply us to observe again whether the reading of amesdial body 13 is still normal, reject the product that does not pass through the test.

8 upper ends of U-shaped frame all are fixed with installation piece 14, and be equipped with a commentaries on classics board 9 between two installation pieces 14, it is equipped with intake pipe 19 to change board 9 and run through its both sides, and 19 both ends of intake pipe run through two installation pieces 14 respectively and rotate rather than being connected, the equidistance is equipped with a plurality of air intake branch 31 in changeing board 9, and air intake branch 31 one end all is linked together with intake pipe 19, the air intake branch 31 other end all passes commentaries on classics board 9 one side and is connected with jet-propelled cover 10, a plurality of jet-propelled covers 10 correspond the setting with a plurality of slots 27, there is the air pump intake pipe 19 one end through hose connection.

The mounting block 14 is fixed with the second magnetic block 24 on one side close to the rotating plate 9, the U-shaped frame 8 is fixed with the third magnetic block 25 on one side close to the rotating plate 9, the first magnetic block 23 is fixed on both sides of the rotating plate 9, after the rotating plate 9 is vertically turned, the first magnetic block 23 can be switched between the second magnetic block 24 and the third magnetic block 25 to be tightly sucked, after the dial indicator body 13 is tested and ascended to return, the rotating plate 9 is rotated to the lower part, the first magnetic blocks 23 on both sides of the rotating plate 9 are tightly sucked with the two third magnetic blocks 25 respectively, so that the plurality of air injection covers 10 are aligned with the dial indicator body 13 to blow air, water beads on the surface of the dial indicator body are blown clean, and the dial indicator body 13 is finally taken out.

The working principle is as follows: when the device is used, the dial indicator bodies 13 can be sequentially inserted into the slots 27 on the mounting seat 2, so that the two electric push rods 6 are driven, the two U-shaped frames 8 drive the mounting seat 2 and the dial indicator bodies 13 to descend into the test box 1, one end of the ejector pin 30 is contacted with the fixed rod 21 and drives the side frame 26 to move under the extrusion action of the slope structure when descending, the arc-shaped pressing plates 35 move towards one side to press the dial indicator bodies 13, the dial indicator bodies 13 are automatically clamped and fixed, the phenomenon that the dial indicator bodies 13 are unstable during subsequent swing tests is avoided, the mounting seat 2 descends continuously, the telescopic end of the dial indicator body 13 is abutted against the upper part of the baffle 12, the mounting seat 2 can be stopped, whether the readings of the dial indicator bodies 13 are normal or not can be observed, and then the dial indicator bodies descend continuously, the baffle 12 is driven to rotate to a vertical state by the extrusion baffle 11 at the lower end of one U-shaped frame 8 through the rotating shaft 32, so that the mounting seat 2 and the dial indicator body 13 descend without blocking, and then the forward and reverse rotating motor is started to drive the mounting seat 2 to rotate left and right to enable the multiple dial indicator bodies 13 to swing back and forth, the telescopic ends of the dial indicator bodies 13 can be in repeated contact extrusion test with the side walls on the two sides of the water trough plate 16, meanwhile, the spray heads 15 on the two sides continuously spray water to be sprayed on the dial indicator bodies 13, the dial indicator bodies 13 continuously swing to be sprayed more uniformly, the sprayed water flows to the bottom of the test box 1 after being filtered by the filter screens 17 on the two sides and is pumped out by the water pump 22 for repeated use, after the test is finished, the electric push rod 6 pushes the mounting seat 2 to return, when the mounting seat 2 rises to be close to the tail end, the lower end of one U-shaped frame 8 is separated from the stop block 11, the baffle plate 12 rotates to be in a horizontal state again under the action of the torsion spring 20, at the moment, the arc-shaped press plate 35 is not released, and the dial indicator bodies 13 are still clamped, make baffle 12 extrude a plurality of amesdial bodies 13 flexible end once more, a period of time that can stew this moment supplies us to observe amesdial body 13 reading again whether still normal, reject the product that does not pass through the test, to change board 9 this moment and change to the lower part, change the first magnetic path 23 of board 9 both sides and inhale tightly with two third magnetic paths 25 respectively, make a plurality of jet-propelled covers 10 aim at amesdial body 13 and blow, blow its surperficial drop of water, it can finally to take out amesdial body 13.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to those examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. The utility model provides a waterproof testing arrangement for instrument and meter, includes test box (1), mount pad (2), amesdial body (13), its characterized in that, open on test box (1) upper portion has opening (18), mount pad (2) set up in opening (18) department, test box (1) both sides all slide and are equipped with U-shaped frame (8), mount pad (2) rotate locate between two U-shaped frame (8), electric putter (6) are all installed to test box (1) both sides, and two electric putter (6) are used for driving two U-shaped frame (8) and go up and down, can drive mount pad (2) when two U-shaped frame (8) go into and out test box (1) by opening (18), it has a plurality of slots (27) to run through to open on mount pad (2), and a plurality of amesdial bodies (13) can be pegged graft and are located slot (27), a plurality of shower heads (15) are all installed to the inner wall of test box (1) both sides, be equipped with on mount pad (2) and press from both sides tight mechanism, and be equipped with between mount pad (2) and the test box (13) and sway the test mechanism and be used for test pointer when test mechanism (13) swing test mechanism (13) the test mechanism.

2. The waterproof test device for the instruments and meters is characterized in that the electric push rods (6) are respectively fixed on two sides of the test box (1), the output ends of the two electric push rods (6) are respectively fixed at the upper ends of the two U-shaped frames (8) through connecting blocks, a limiting rib (29) is fixed on the inner wall of one side of each U-shaped frame (8), limiting grooves (7) are respectively formed on two sides of the test box (1), and the two limiting ribs (29) are respectively arranged in the two limiting grooves (7) in a sliding manner.

3. The waterproof test device for the instrument and meter is characterized in that a quick connector (5) is installed on one side of the test box (1), the quick connector (5) is communicated with the inside of the test box (1), and the quick connector (5) can be connected with a water supply end through a hose.

4. The waterproof testing device for the instrument and meter is characterized in that the outer walls of two sides of the testing box (1) are fixed with first water pipes (3), one side of each first water pipe (3) is connected with a plurality of water inlet branch pipes, the other ends of the plurality of water inlet branch pipes extend to the inside of the testing box (1), the spray heads (15) of the two sides are installed at one end of each water inlet branch pipe of the two sides respectively, a water pump (22) is installed on the bottom wall of the inside of the testing box (1), the water outlet end of the water pump (22) is connected with two second water pipes (4), and the other ends of the two second water pipes (4) extend to the outside of the testing box (1) and are connected with the two first water pipes (3) respectively.

5. The waterproof testing device for the instruments and meters is characterized in that the clamping mechanism comprises arc-shaped pressing plates (35) movably arranged in a plurality of inserting grooves (27), sliding pins (36) are fixedly connected to two sides of each arc-shaped pressing plate (35), strip-shaped grooves (34) are formed in positions, located in the inserting grooves (27), of two sides of the mounting seat (2), one ends, far away from the arc-shaped pressing plates (35), of the sliding pins (36) penetrate through the corresponding strip-shaped grooves (34), the same side frames (26) are slidably arranged on two sides of the mounting seat (2), one ends of the sliding pins (36) are fixed to one end of each side frame (26), top pins (30) are fixed to one end of each side frame (26), fixing rods (21) are fixed to the inner portion of one side of the testing box (1), the upper ends of the fixing rods (21) are of a slope structure, and when the mounting seat (2) moves downwards, one ends of the top pins (30) can be in contact with the fixing rods (21) to extrude and drive the side frames (26) to move.

6. The waterproof test device for the instruments and meters is characterized in that a spring (37) is fixed on the inner wall of one side of the side frame (26) close to the top pin (30), a turntable (33) is fixed at the other end of the spring (37), and the turntable (33) can be abutted against one side of the U-shaped frame (8) on one side.

7. The waterproof testing device for the instrument and meter is characterized in that the swinging testing mechanism comprises a water tank plate (16) fixed to the inner lower portion of the testing box (1), the water tank plate (16) is of a concave structure, a motor cover (28) is fixed to the inner wall of one side of one U-shaped frame (8), a forward and reverse motor is fixed to the motor cover (28), the forward and reverse motor is used for driving the mounting seat (2) to rotate in a reciprocating mode so as to drive the dial indicator body (13) to swing, when the mounting seat (2) drives the dial indicator body (13) to enter the testing box (1) to rotate and swing in the inner portion, the telescopic end of the dial indicator body (13) can conduct extrusion testing on the side walls of the two sides of the water tank plate (16), the side walls of the two sides of the water tank plate (16) are provided with a plurality of rectangular openings, and the rectangular openings are internally provided with filter screens (17).

8. The waterproof testing device for the instruments and meters is characterized in that a baffle (12) is arranged at the upper portion in the testing box (1), the telescopic end of the dial indicator body (13) can be in contact with the baffle (12), a rotating shaft (32) is fixed on one side of the baffle (12), two ends of the rotating shaft (32) penetrate through the outer walls of two sides of the testing box (1) respectively, a torsion spring (20) is arranged between one end of the rotating shaft (32) and the outer wall of the testing box (1), a stop block (11) is fixed at the other end of the rotating shaft (32), and the stop block (11) can be pressed and the rotating shaft (32) can be driven to rotate when the lower end of one U-shaped frame (8) moves downwards.

9. The waterproof testing device for the instrument and meter according to claim 1, wherein the upper end of the U-shaped frame (8) is fixed with an installation block (14), a rotating plate (9) is arranged between the two installation blocks (14), the rotating plate (9) penetrates through two sides of the rotating plate and is provided with an air inlet pipe (19), two ends of the air inlet pipe (19) penetrate through the two installation blocks (14) respectively and are connected with the rotating plate in a rotating mode, a plurality of air inlet branch pipes (31) are arranged in the rotating plate (9) in an equidistant mode, one end of each air inlet branch pipe (31) is communicated with the air inlet pipe (19), the other end of each air inlet branch pipe (31) penetrates through one side of the rotating plate (9) and is connected with an air injection cover (10), the air injection covers (10) correspond to the slots (27), and one end of the air inlet pipe (19) is connected with an air pump through a hose.

10. The waterproof testing device for the instruments and meters is characterized in that a second magnetic block (24) is fixed on one side, close to the rotating plate (9), of the mounting block (14), a third magnetic block (25) is fixed on one side, close to the rotating plate (9), of the U-shaped frame (8), first magnetic blocks (23) are fixed on two sides of the rotating plate (9), and after the rotating plate (9) is vertically turned over, the first magnetic blocks (23) can be switched between the second magnetic blocks (24) or the third magnetic blocks (25) to be tightly sucked.