Device for testing water tightness of product

Abstract

The utility model discloses a product water tightness test device, comprising a cabinet side wall provided with a hole and plugged with a transparent plate, and one side wall of the cabinet is provided with a hole and detachably plugged with a to-be-tested product; the telescopic piece is installed on the machine case, the telescopic end of the telescopic piece is fixed to the movable block, and the movable block is located in the machine case and can make contact with liquid in the machine case; the liquid level sensor is installed on the case, and the detection end of the liquid level sensor is located in the case. The telescopic piece is used for driving the moving block to vertically move in the machine box, the machine box is filled with liquid, the side wall of the machine box is provided with a hole, the to-be-tested product is detachably plugged through the hole, the height change of the liquid level in the machine box is achieved through vertical movement of the moving block, and therefore the water pressure borne by the to-be-tested product and the contact degree of the to-be-tested product and water are simulated; the higher the water level is, the more the water contact areas of the to-be-tested product are; by designing the liquid level sensor, the height change of the liquid level in the case can be accurately and timely known; the design of the transparent plate is convenient for an operator to observe the height change of the liquid level in the case.

Description

TECHNICAL FIELD

[0001] The utility model relates to product water tightness test field, more specifically, relate to a product water tightness test equipment. BACKGROUND

[0002] Some products need to carry out water tightness test, namely determine the water isolation performance of the product under different liquid levels, or in other words, detect whether the product itself is water permeable or leaks.

[0003] The prior art is to put the product to be tested into a sealed container, fill it with water or other liquid, and test by observing and recording the liquid flow and pressure changes, that is, if the product to be tested is water permeable, the water in the container will flow, and the pressure of the water in the container will also change. However, there are limitations in the application of some special materials or structures, such as the inability to fine-tune the pressure of water or other liquids, and limited testing effect under high-precision pressure conditions.

[0004] Therefore, how to provide a product water tightness test equipment that can overcome the above problems is a problem that technicians in the field need to solve urgently. UTILITY MODEL CONTENT

[0005] Therefore, the utility model provides a product water tightness test equipment.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A product water tightness test equipment, comprising:

[0008] A case, the case side wall is opened and blocked with a transparent plate, one side wall of the case is provided with a through hole, the through hole is detachably blocked with a product to be tested, and the case can contain liquid;

[0009] A liquid level height adjusting assembly, the liquid level height adjusting assembly comprises a telescopic piece, a moving block and a liquid level sensor, the telescopic piece is installed on the case, and the telescoping direction of the telescopic end of the telescopic piece is vertically arranged; the moving block is located in the case, the moving block is fixed with the telescopic end of the telescopic piece, and the moving block can contact with the liquid in the case; the liquid level sensor is installed on the case, the detection end of the liquid level sensor is located in the case, and the detection end of the liquid level sensor can contact with the liquid in the case.

[0010] Compared with the prior art, the product water tightness testing equipment has the advantages that the movable block is driven by the telescopic member to move vertically in the case, the case is filled with liquid, the side wall of the case is provided with an opening and a detachable stopper for the product to be tested, the height of the liquid level in the case is changed by the vertical movement of the movable block, so that the water pressure on the product to be tested and the contact degree with water are simulated, the higher the water level, the more the area of the product to be tested in contact with water; the height change of the liquid level in the case can be accurately and timely known through the design of the liquid level sensor; the side wall of the case is provided with an opening and a transparent plate for sealing, and the operator can conveniently observe the height of the liquid level in the case and the height change of the liquid level.

[0011] Preferably, the level bubble is fixed to the upper end wall of the case, and the adjustable feet are provided in plurality and uniformly fixed to the lower end of the case. The case can be stably placed, and the vertical telescopic end of the telescopic member can be reliably arranged.

[0012] Preferably, the telescopic member comprises a rotating member, a lead screw and a nut, the rotating member is installed on the upper end of the case, the lead screw is vertically arranged in the case, the upper end of the lead screw is connected with the rotating output end of the rotating member, the movable block is provided with an opening and the nut is embedded in the opening, and the nut is screwed with the lead screw. The lifting of the movable block is driven by the rotation of the lead screw, the lead screw and the nut have high cooperation precision, and the vertical displacement precision of the movable block is high.

[0013] Preferably, the rotating member comprises a connecting shaft one, a connecting shaft two, a connecting shaft three, a gear one, a gear two, a gear three, a gear four, a hand wheel one and a hand wheel two, the connecting shaft one, the connecting shaft two and the connecting shaft three are all rotatably installed on the upper end of the case; the gear one is coaxially fixed with the connecting shaft one, the gear two and the gear three are coaxially fixed with the connecting shaft two at the same time, the gear four is coaxially fixed with the connecting shaft three, the gear one is engaged with the gear two, the gear three is engaged with the gear four, the gear one has more teeth than the gear two, the gear two has less teeth than the gear three, and the gear three has more teeth than the gear four; the hand wheel one is coaxially fixed with one end of the connecting shaft one, the hand wheel two is coaxially fixed with one end of the connecting shaft two, and the other end of the connecting shaft two is coaxially fixed with the upper end of the lead screw. The rotating member can provide two forms of driving for the lead screw, i.e. rotating the hand wheel one, and the rotating speed of the lead screw is greater than that of the hand wheel one; and rotating the hand wheel two, and the rotating speed of the hand wheel two is the same as that of the lead screw.

[0014] Preferably, the telescopic part further comprises a guide part, the guide part comprises a plurality of vertical light shafts and a plurality of sliding sleeves, the upper ends of the light shafts are fixed to the inner top wall of the cabinet, the sliding sleeves are sleeved on the light shafts, and a plurality of mounting holes are formed in the upper end of the moving block, and the sliding sleeves are embedded in the mounting holes.

[0015] Preferably, an arc-shaped baffle is arranged in the cabinet, the arc-shaped baffle is vertically arranged and fixed to the inner side wall of the cabinet, and the through hole is located between the two long sides of the arc-shaped baffle. The arc-shaped baffle can have the functions of guiding and protecting, and the liquid entering the cabinet can smoothly flow to the vicinity of the product to be tested, and the structure in the cabinet will not touch the product to be tested.

[0016] Preferably, the installation sleeve is fixed to the outer side wall of the cabinet, the through hole is communicated with the installation sleeve, and the product to be tested can be located in the inner side of the installation sleeve; one end of the top ring can be coaxially embedded in the inner side of the installation sleeve, and the end of the top ring close to the installation sleeve can be tightly sealed against the outer side wall of the cabinet and the product to be tested. The product to be tested can be reliably installed on the cabinet. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of the provided drawings.

[0018] Figure 1 It is a perspective view of a product water tightness testing device;

[0019] Figure 2 It is a partial exploded view of a product water tightness testing device;

[0020] Figure 3 It is Figure 2 It is a partial enlarged view of A in FIG. 1;

[0021] Figure 4 It is Figure 2 It is a partial enlarged view of B in FIG. 1;

[0022] Figure 5 It is a perspective view of a product water tightness testing device.

[0023] In the drawings:

[0024] 1 is a machine case, 2 is a transparent plate, 3 is a product to be tested, 4 is a connecting shaft one, 5 is a connecting shaft two, 6 is a connecting shaft three, 7 is a gear one, 8 is a gear two, 9 is a gear three, 10 is a gear four, 11 is a hand wheel one, 12 is a hand wheel two, 13 is a screw rod, 14 is a nut, 15 is an optical axis, 16 is a sliding sleeve, 17 is a moving block, 18 is a liquid level sensor, 19 is a bubble level, 20 is an adjustable foot, 21 is an arc-shaped baffle, 22 is a mounting sleeve, and 23 is a top ring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0026] The present application discloses a product water tightness testing equipment, which utilizes the telescopic part to drive the moving block 17 to move vertically in the machine case 1, the machine case 1 is filled with liquid, the side wall of the machine case 1 is provided with a hole and is detachably blocked by the product to be tested 3, the vertical movement of the moving block 17 is utilized to realize the change of the height of the liquid surface in the machine case 1, so as to simulate the water pressure and the contact degree with water of the product to be tested 3, the higher the water level is, the more the area of the product to be tested 3 contacting with water is.

[0027] Through the design of the liquid level sensor 18, the change of the height of the liquid surface in the machine case 1 can be accurately and timely known.

[0028] The rotating part in the telescopic part can drive the screw rod 13 to rotate, the nut 14 is fixed with the moving block 17, and in combination with the design of the guide part, the rotation of the screw rod 13 can drive the moving block 17 to stably move up and down.

[0029] Through the design of the hand wheel one 11 and the hand wheel two 12 in the rotating part, when the hand wheel one 11 is rotated, the rotation speed of the screw rod 13 is greater than that of the hand wheel one 11, when the hand wheel two 12 is rotated, the rotation speed of the screw rod 13 is equal to that of the hand wheel two 12, the rotating part can provide two driving modes of the screw rod 13, which is convenient for quickly adjusting the height of the moving block 17 and slowly and accurately adjusting the height of the moving block 17.

[0030] The side wall of the machine case 1 is provided with a hole and is blocked by the transparent plate 2, so that the operator can conveniently observe the height of the liquid surface in the machine case 1 and the change of the height of the liquid surface.

[0031] Through the design of the bubble level 19 and the adjustable foot 20, the machine case 1 can be stably placed, so as to ensure that the screw rod 13 is vertically arranged.

[0032] Through the design of the mounting sleeve 22 and the top ring 23, the product to be tested 3 can be reliably mounted on the machine case 1.

[0033] Example

[0034] See attached Figures 1-5 The figure is a schematic diagram of the overall and partial structures of an embodiment of the present invention. The present invention specifically discloses a product watertightness testing device, including:

[0035] The chassis 1 is a rectangular box. Two oppositely arranged long side walls of the chassis 1 are opened and each is blocked with a rectangular transparent plate 2. The transparent plate 2 is made of tempered glass. A circular through-hole is opened on one wide side wall of the chassis 1. The through-hole is removably blocked with a product to be tested 3. The chassis 1 can contain liquid, and the liquid in this application is water. A water inlet is opened on the top wall of the chassis 1. The water inlet is removably blocked with a plug. After the product to be tested 3 is installed, water is added to the chassis 1 through the water inlet. The water tightness of the product to be tested 3 itself is observed by the naked eye on the side outside the chassis 1, that is, whether the product to be tested 3 itself is leaking or seeping, or the degree of water seepage is observed.

[0036] The liquid level height adjustment component includes a telescopic member, a moving block 17 and a liquid level sensor 18. The telescopic member is installed on the chassis 1, and the telescopic end of the telescopic member is arranged in a vertical direction; the moving block 17 is located in the chassis 1. The moving block 17 in the present application is a rectangular block made of nylon. The length direction of the moving block 17 is the same as the length direction of the chassis 1, and the width direction of the moving block 17 is the same as the width direction of the chassis 1. The moving block 17 is fixed to the telescopic end of the telescopic member, and the telescopic member can drive the moving block 17 to move up and down. The moving block 17 can move with the chassis The upper surface of the movable block 17 is always higher than the liquid level of the liquid in the chassis 1, and the movable block 17 can change the liquid level height in the chassis 1 when it moves up and down; the liquid level sensor 18 is installed on the chassis 1, and the detection end of the liquid level sensor 18 is located in the chassis 1. The detection end of the liquid level sensor 18 can contact the liquid in the chassis 1, and the liquid level sensor 18 can accurately detect the liquid level height of the liquid in the chassis 1 and the change of the liquid level height. The accuracy of the liquid level sensor 18 is 0.003mm. The liquid level sensor 18 in this embodiment is a capacitive liquid level gauge.

[0037] To be more specific, it also includes a spirit level 19 and an adjustable foot 20. The circular spirit level 19 is fixed on the upper end wall of the chassis 1. There are multiple adjustable feet 20 and they are evenly fixed on the lower end of the chassis 1. In this embodiment, there are four adjustable feet 20. The four adjustable feet 20 are respectively fixed at the four corners of the chassis 1. By observing the spirit level 19 and adjusting the adjustable feet 20, it is ensured that the chassis 1 is arranged horizontally and the telescopic direction of the telescopic end of the telescopic part can be arranged vertically.

[0038] The telescopic part comprises a rotating part, a screw rod 13 and a nut 14, the rotating part is installed on the upper end of the cabinet 1, the screw rod 13 is vertically arranged in the cabinet 1, the pitch of the screw rod 13 is 1mm, the upper end of the screw rod 13 is connected with the rotating output end of the rotating part, the upper end of the moving block 17 is provided with a hole and embedded with the nut 14, the nut 14 is screwed with the screw rod 13; the rotating part can drive the screw rod 13 to rotate, since the nut 14 is fixed with the moving block 17, the moving block 17 cannot rotate in the cabinet 1, therefore, when the screw rod 13 rotates, the nut 14 and the moving block 17 can realize vertical movement.

[0039] The rotating part comprises a connecting shaft one 4, a connecting shaft two 5, a connecting shaft three 6, a gear one 7, a gear two 8, a gear three 9, a gear four 10, a hand wheel one 11 and a hand wheel two 12, the connecting shaft one 4, the connecting shaft two 5 and the connecting shaft three 6 are all rotatably installed on the upper end of the cabinet 1; the gear one 7 is coaxially fixed with the connecting shaft one 4, the gear two 8 and the gear three 9 are coaxially fixed with the connecting shaft two 5 at the same time, the gear four 10 is coaxially fixed with the connecting shaft three 6, the gear one 7 is engaged with the gear two 8, the gear three 9 is engaged with the gear four 10, the gear one 7 has more teeth than the gear two 8, the gear two 8 has less teeth than the gear three 9, the gear three 9 has more teeth than the gear four 10, in this embodiment, the gear one 7 and the gear three 9 have the same number of teeth, the gear two 8 and the gear four 10 have the same number of teeth; the hand wheel one 11 is coaxially fixed with one end of the connecting shaft one 4, the hand wheel two 12 is coaxially fixed with one end of the connecting shaft two 5, the other end of the connecting shaft two 5 is coaxially fixed with the upper end of the screw rod 13; the rotating part can drive the screw rod 13 to rotate, and there are two rotating driving modes, one is rotating the hand wheel one 11, when the hand wheel one 11 rotates, the gear one 7, the gear two 8, the gear three 9 and the gear four 10 all rotate, the screw rod 13 rotates at a certain speed, the rotating speed of the screw rod 13 is greater than that of the hand wheel one 11; the second is rotating the hand wheel two 12, when the hand wheel two 12 rotates, it drives the screw rod 13 to rotate, the rotating speed of the screw rod 13 is equal to that of the hand wheel two 12;

[0040] The rectangular shell is arranged on the top of the cabinet 1, the gear one 7, the gear two 8, the gear three 9 and the gear four 10 are all arranged in the rectangular shell, the hand wheel one 11 and the hand wheel two 12 are located outside the rectangular shell.

[0041] Further specifically, the telescopic part further comprises a guide part, the guide part comprises an optical axis 15 and a sliding sleeve 16, the optical axis 15 is provided with two and is vertically arranged in the cabinet 1, the upper end of the optical axis 15 is fixed with the inner top wall of the cabinet 1; the sliding sleeve 16 is provided with two and is respectively sleeved on the two optical axes 15, the upper end of the moving block 17 is provided with a plurality of mounting holes, the plurality of sliding sleeves 16 are respectively embedded in the plurality of mounting holes; the guide part can play a guiding role, that is, it can ensure that the moving block 17 can stably vertically move, at the same time, the guide part can also limit the rotation of the nut 14, so as to ensure that the nut 14 can stably vertically ascend and descend when the screw rod 13 rotates.

[0042] Further specifically, an arc-shaped baffle 21 is arranged in the cabinet 1, the arc-shaped baffle 21 is arranged vertically and its two long sides are fixed with an inner side wall of the cabinet 1, and a through hole is arranged between the two long sides of the arc-shaped baffle 21; the arc-shaped baffle 21 plays a role of protection and flow guide, and ensures that the liquid in the cabinet 1 can flow to the through hole smoothly, and the objects in the cabinet 1 cannot knock the to-be-tested product installed at the through hole.

[0043] Further specifically, the device further comprises a mounting sleeve 22 and a top ring 23, the mounting sleeve 22 is fixed on the outer side wall of the cabinet 1, the through hole is communicated with the mounting sleeve 22 and coaxially arranged, and the to-be-tested product 3 can be coaxially embedded in the inner side of the mounting sleeve 22; one end of the top ring 23 can be coaxially embedded in the inner side of the mounting sleeve 22, and the end of the top ring 23 close to the mounting sleeve 22 can be tightly sealed against the to-be-tested product 3.

[0044] When the device is used:

[0045] Firstly, the to-be-tested product is installed at the through hole;

[0046] Secondly, the cabinet 1 is arranged horizontally, the water level bubble 19 is observed and the adjustable foot 20 is adjusted, so as to ensure that the cabinet 1 is arranged horizontally;

[0047] Thirdly, water is added into the cabinet 1 through the water adding port, so that the liquid level in the cabinet 1 is flush with the lowest point of the through hole;

[0048] Finally, the hand wheel one 11 or the hand wheel two 12 is rotated, so as to adjust the height of the moving block 17, when the moving block 17 moves downward and contacts the water in the cabinet 1, the water level in the cabinet 1 rises, the liquid level sensor 18 can monitor the change of the water level in the cabinet 1, and the staff can observe the water seepage or leakage condition of the to-be-tested product by naked eyes or other devices.

[0049] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts of each embodiment can be referred to each other.

[0050] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A product water tightness testing apparatus, characterized by, It comprises: a cabinet (1) with a side wall opening and a transparent plate (2) blocking the opening, a through hole is formed in one side wall of the cabinet (1), the through hole is detachably blocked by a product to be tested (3), and the cabinet (1) can contain liquid; a liquid level adjusting assembly, which comprises a telescopic member, a moving block (17) and a liquid level sensor (18), the telescopic member is installed on the cabinet (1), the telescoping direction of the telescopic end of the telescopic member is vertically arranged; the moving block (17) is located in the cabinet (1), the moving block (17) is fixed with the telescopic end of the telescopic member, and the moving block (17) can contact with the liquid in the cabinet (1); the liquid level sensor (18) is installed on the cabinet (1), the detection end of the liquid level sensor (18) is located in the cabinet (1), and the detection end of the liquid level sensor (18) can contact with the liquid in the cabinet (1).

2. A product water tightness testing apparatus according to claim 1, wherein It also comprises a bubble level (19) and adjustable feet (20), the bubble level (19) is fixed on the upper end wall of the cabinet (1), and the adjustable feet (20) are uniformly fixed on the lower end of the cabinet (1).

3. The product water tightness testing apparatus of claim 1, wherein The telescopic member comprises a rotating member, a lead screw (13) and a nut (14), the rotating member is installed on the upper end of the cabinet (1), the lead screw (13) is vertically arranged in the cabinet (1), the upper end of the lead screw (13) is connected with the rotating output end of the rotating member, the upper end of the moving block (17) is opened and embedded with the nut (14), and the nut (14) is screwed with the lead screw (13).

4. The product water tightness testing apparatus of claim 3, wherein The rotating member comprises a connecting shaft one (4), a connecting shaft two (5), a connecting shaft three (6), a gear one (7), a gear two (8), a gear three (9), a gear four (10), a hand wheel one (11) and a hand wheel two (12), the connecting shaft one (4), the connecting shaft two (5) and the connecting shaft three (6) are all rotatably installed on the upper end of the cabinet (1); the gear one (7) is coaxially fixed with the connecting shaft one (4), the gear two (8) and the gear three (9) are coaxially fixed with the connecting shaft two (5) at the same time, the gear four (10) is coaxially fixed with the connecting shaft three (6), the gear one (7) is engaged with the gear two (8), the gear three (9) is engaged with the gear four (10), the number of teeth of the gear one (7) is greater than that of the gear two (8), the number of teeth of the gear two (8) is less than that of the gear three (9), and the number of teeth of the gear three (9) is greater than that of the gear four (10); one end of the hand wheel one (11) is coaxially fixed with the connecting shaft one (4), one end of the hand wheel two (12) is coaxially fixed with the connecting shaft two (5), and the other end of the connecting shaft two (5) is coaxially fixed with the upper end of the lead screw (13).

5. A product water tightness testing apparatus according to claim 4, wherein The telescopic part further comprises guiding parts, the guiding parts comprise optical shafts (15) and sliding sleeves (16), the optical shafts (15) are vertically arranged in the cabinet (1), the upper ends of the optical shafts (15) are fixed to the inner top wall of the cabinet (1), the sliding sleeves (16) are vertically arranged and each is sleeved on a optical shaft (15), the moving block (17) is provided with a plurality of mounting holes, and the sliding sleeves (16) are embedded in the mounting holes.

6. The product water tightness testing apparatus of claim 1, wherein An arc-shaped baffle (21) is further arranged in the cabinet (1), the arc-shaped baffle (21) is vertically arranged and its two long sides are fixed to the inner side wall of the cabinet (1), and the through hole is located between the two long sides of the arc-shaped baffle (21).

7. The product water tightness testing apparatus of claim 1, wherein Further comprising a mounting sleeve (22) and a top ring (23), the mounting sleeve (22) is fixed to the outer side wall of the cabinet (1), the through hole is communicated with the mounting sleeve (22), and the product (3) to be tested can be located in the inner side of the mounting sleeve (22); one end of the top ring (23) can be coaxially embedded in the inner side of the mounting sleeve (22), and the end of the top ring (23) close to the mounting sleeve (22) can be tightly sealed against the product (3) to be tested.

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