Waterproof test equipment for instrument and meter manufacturing

Abstract

The utility model discloses a waterproof test equipment for instrument and meter manufacturing, belongs to the technical field of instrument and meter testing, and comprises a test box, a clamping plate and air cylinders, the tail ends of the two air cylinders are fixedly provided with U-shaped rods, a limiting cylinder is fixedly arranged between the two U-shaped rods, the interior of the limiting cylinder is slidably connected with a telescopic rod, and the telescopic rod is fixedly connected with the clamping plate. The clamping plate is fixedly mounted at the tail end of the telescopic rod; a circular groove is formed in the lower end of the interior of the test box, a forward and reverse rotation motor is installed in the circular groove, a rotating pipe is fixedly installed at the tail end of an output shaft of the forward and reverse rotation motor, a hollow disc is rotatably installed in the circular groove and communicates with the rotating pipe, and an air outlet pipe communicates with the top surface of the hollow disc; the outer wall of the rotating pipe is rotationally sleeved with a sleeve, and a plurality of air inlet holes are formed in the side wall of the rotating pipe. Compared with the prior art, the device can effectively test the waterproofness of the instrument in the actual use environment.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of instrument testing technology, especially a waterproof test equipment for instrument manufacturing. BACKGROUND

[0002] Instruments are used to measure and monitor various physical quantities, chemical quantities or other parameters, such as temperature, pressure, flow, voltage, current, speed, etc. These measurement data are crucial for scientific research, engineering design, production and manufacturing, environmental monitoring, etc. and provide necessary technical support for scientific research, production and management in various fields, and are one of the indispensable important tools in modern society.

[0003] The existing instruments need to be waterproof tested during production and manufacturing, and the existing waterproof test is mostly to directly put the instrument into still water for immersion and observation whether the instrument has water ingress, so as to waterproof test the instrument. However, the still water cannot effectively simulate the actual situation of flowing water during actual use, so the detection range is narrow and the situation that the instrument can pass the detection but cannot be used normally in actual use may occur, so a waterproof test equipment for instrument manufacturing is needed to improve this problem. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a waterproof test equipment for instrument manufacturing to solve the problem in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a waterproof test equipment for instrument manufacturing, comprising an instrument waterproof test equipment installation test box and an instrument clamping clamping plate, the outer side of the test box is symmetrically fixed with two air cylinders, the tail end of the two air cylinders is fixed with a U-shaped rod, one end of the U-shaped rod extends to the inside of the test box, a limiting cylinder is fixed between the two U-shaped rods, a telescopic rod is slidably connected in the limiting cylinder, a spring is fixedly installed in the limiting cylinder, the tail end of the spring is fixedly connected with the telescopic rod, and the clamping plate is fixedly installed at the tail end of the telescopic rod.

[0006] A circular groove is formed in the lower end of the test box, a reversible motor is installed in the circular groove, a rotating pipe is fixedly installed at the output shaft tail end of the reversible motor, a hollow disc is rotatably installed in the circular groove, the rotating pipe and the hollow disc are communicated, and a gas outlet pipe is communicatedly installed on the top surface of the hollow disc.

[0007] A sleeve pipe is rotatably sleeved on the outer wall of the rotating pipe, a plurality of air inlet holes are formed in the side wall of the rotating pipe, and the air inlet holes are located at the sleeving position of the sleeve pipe.

[0008] Preferably, the outer wall of the hollow disc is fixedly sleeved with a sealing ring, and the outer wall of the sealing ring is sealingly and slidingly attached to the inner wall of the circular groove.

[0009] Preferably, the outer wall of the hollow disc is fixedly and symmetrically provided with two arc-shaped strips, and the inner wall of the circular groove is provided with an annular groove.

[0010] Preferably, the two arc-shaped strips fixedly connected to the outer wall of the hollow disc are respectively slidingly connected to the inside of the annular groove provided in the inner wall of the circular groove.

[0011] Preferably, the inner wall of the limiting cylinder is symmetrically provided with two limiting grooves, and the outer wall of the telescopic rod is fixedly provided with two limiting blocks.

[0012] Preferably, the two limiting blocks fixedly connected to the side wall of the telescopic rod are respectively slidingly connected to the inside of the two limiting grooves provided in the inner wall of the limiting cylinder.

[0013] Compared with the prior art, the technical effects and advantages of the utility model are:

[0014] The waterproof test equipment for instrument manufacturing, thanks to the setting of the cylinder, the U-shaped rod, the limiting cylinder, the telescopic rod, the spring and the clamping plate and other structures, the instrument to be tested is clamped by the two springs pushing the telescopic rod and the clamping plate, and at the same time, the instrument is lowered into the water by the cylinder extension and is lifted after the detection is completed, so as to improve the detection efficiency of the instrument.

[0015] The waterproof test equipment for instrument manufacturing, thanks to the setting of the cylinder, the U-shaped rod, the limiting cylinder, the telescopic rod, the spring and the clamping plate and other structures, the instrument to be tested is clamped by the two springs pushing the telescopic rod and the clamping plate, and at the same time, the instrument is lowered into the water by the cylinder extension and is lifted after the detection is completed, so as to improve the detection efficiency of the instrument.

[0016] The waterproof test equipment for instrument manufacturing, thanks to the setting of the cylinder, the U-shaped rod, the limiting cylinder, the telescopic rod, the spring and the clamping plate and other structures, the instrument to be tested is clamped by the two springs pushing the telescopic rod and the clamping plate, and at the same time, the instrument is lowered into the water by the cylinder extension and is lifted after the detection is completed, so as to improve the detection efficiency of the instrument.

[0017] Compared with the prior art, the waterproof test equipment for instrument manufacturing can effectively test the waterproofness of the instrument under the actual use environment. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some 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 these drawings.

[0019] Figure 1 It is a structural schematic diagram of the present application.

[0020] Figure 2 It is a structural schematic diagram of the cylinder, U-shaped rod, clamping plate and the like in the present application.

[0021] Figure 3 It is a structural schematic diagram of the test box, circular groove, hollow disc and the like in the present application.

[0022] Figure 4 It is a plane sectional view of the rotating tube and sleeve in the present application.

[0023] Figure 5 It is a plane sectional view of the limiting cylinder in the present application.

[0024] Explanation of reference signs:

[0025] In the drawing: 1, test box; 2, cylinder; 3, U-shaped rod; 4, limiting cylinder; 5, telescopic rod; 6, clamping plate; 7, spring; 8, circular groove; 9, rotating tube; 10, sleeve; 11, hollow disc; 12, air outlet pipe; 13, sealing ring; 14, arc-shaped strip; 15, limiting block. Embodiment

[0026] In the following description, a large number of specific details are given in order to provide a more thorough understanding of the present application. However, it is obvious to those skilled in the art that the present application can be implemented without one or more of these details. In other examples, in order to avoid obscuring the present application, some technical features known in the art are not described.

[0027] Unless the direction is defined separately, the directions such as up, down, left, right, front, back, inside and outside mentioned in this paper are based on the directions such as up, down, left, right, front, back, inside and outside in the drawing shown in the present application, which are explained here.

[0028] The connection mode can adopt existing modes such as bonding, welding, bolt connection and the like, and the actual needs are accurate.

[0029] For example, Figures 1 to 5The utility model discloses an instrument manufacturing waterproof test equipment main part structure is instrument and meter waterproof test equipment installation test box 1 and instrument and meter clamping clamping plate 6, two air cylinders 2 are fixedly installed to the outside symmetry of test box 1, the end of two air cylinders 2 is fixedly installed with U type rod 3, and one end of U type rod 3 extends to the inside of test box 1,

[0030] Limiting cylinder 4 is fixedly installed between two U type rods 3, telescopic rod 5 is slidably connected in the inside of limiting cylinder 4, spring 7 is fixedly installed in the inside of limiting cylinder 4, the end of spring 7 is fixedly connected with telescopic rod 5, and clamping plate 6 is fixedly installed at the end of telescopic rod 5, places instrument and meter between two clamping plates 6, and two clamping plates 6 are pressed and clamped instrument and meter by spring 7 and telescopic rod 5,

[0031] The lower end of test box 1 is provided with a circular groove 8, a reversible motor is installed in the circular groove 8, a rotating tube 9 is fixedly installed at the output shaft end of the reversible motor, a hollow disc 11 is rotatably installed in the circular groove 8, the hollow disc 11 is in communication with the rotating tube 9, and an air outlet pipe 12 is installed in communication with the top surface of the hollow disc 11, the reversible motor is started, the hollow disc 11 is driven to reverse to back and forth exchange, so that the water in the test box 1 can be stirred and air bubbles can be introduced into the test box 1, so that the actual use environment can be restored, and the detection effect is improved.

[0032] The outer wall of the rotating tube 9 is rotatably sleeved with a sleeve pipe 10, a plurality of air inlet holes are formed in the side wall of the rotating tube 9, the air inlet holes are located at the sleeving position of the sleeve pipe 10, bearings and sealing rings are symmetrically rotatably installed between the inner wall of the sleeve pipe 10 and the outer wall of the rotating tube 9, so that the sleeve pipe 10 and the rotating tube 9 can rotate and be sealed at the same time, and the side wall of the sleeve pipe 10 is in communication with a connecting pipe, so that air can be introduced into the inside of the sleeve pipe 10 through the connecting pipe.

[0033] The outer wall of the hollow disc 11 is fixedly sleeved with a sealing ring 13, the outer wall of the sealing ring 13 is sealingly and slidably attached to the inner wall of the circular groove 8, thanks to the sealing ring 13, the hollow disc 11 and the circular groove 8 can be effectively sealed, so that water in the test box 1 can be prevented from entering the inside of the circular groove 8.

[0034] The outer wall of the hollow disc 11 is symmetrically fixedly installed with two arc-shaped strips 14, the inner wall of the circular groove 8 is provided with an annular groove, the two arc-shaped strips 14 fixedly connected to the outer wall of the hollow disc 11 are slidably connected to the inside of the annular groove formed in the inner wall of the circular groove 8, thanks to the arc-shaped strips 14, the rotation of the hollow disc 11 can be effectively limited, and the stability of the hollow disc 11 during rotation is further improved.

[0035] The inner wall of the limiting cylinder 4 is symmetrically provided with two limiting grooves, the outer wall of the telescopic rod 5 is symmetrically fixedly connected with two limiting blocks 15, and the two limiting blocks 15 fixedly connected to the side wall of the telescopic rod 5 are respectively slidably connected to the inside of the two limiting grooves provided on the inner wall of the limiting cylinder 4, and thanks to the arrangement of the two limiting blocks 15, the sliding direction of the telescopic rod 5 can be effectively limited, and the stability of the telescopic rod 5 and the two clamping plates 6 is further improved.

[0036] Working principle

[0037] When the waterproof test equipment for instrument manufacturing is used, first, the instrument is clamped between the two clamping plates 6, the two clamping plates 6 are pressed by the spring 7 and the telescopic rod 5 and the instrument is clamped, then the instrument is deeply immersed into the water in the test box 1 by starting the air cylinder 2, then the gas is introduced into the inside of the sleeve pipe 10 through the connecting pipe on the side wall of the sleeve pipe 10 and introduced into the inside of the rotating pipe 9 through the gas inlet hole on the side wall of the rotating pipe 9 and into the inside of the hollow disc 11, then sprayed out through the multiple gas outlet pipes 12 on the top surface of the hollow disc 11, then the forward and reverse motor is started, the hollow disc 11 is driven to rotate forward and backward by the forward and reverse motor, so as to realize the stirring of the water in the test box 1 and the introduction of the air bubbles into the inside of the test box 1, so as to restore the actual use environment, so as to improve the detection effect.

[0038] It should be noted that, in the present text, relational terms such as one and two and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that includes a list of elements does not only include those elements but also includes other elements not explicitly listed or inherent to such a process, method, article, or apparatus. Without more limitations, the statement "comprises a limited element" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0039] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An apparatus for waterproof test of an instrument, comprising a test case (1) for installation of an instrument waterproof test apparatus and a clamping plate (6) for clamping of an instrument, characterized in that: The both sides of the test box (1) are symmetrically provided with two air cylinders (2), the ends of the two air cylinders (2) are fixedly provided with U-shaped rods (3), one end of the U-shaped rod (3) extends to the inside of the test box (1), a limiting cylinder (4) is fixedly arranged between the two U-shaped rods (3), a telescopic rod (5) is slidably connected in the limiting cylinder (4), a spring (7) is fixedly arranged in the limiting cylinder (4), the end of the spring (7) is fixedly connected with the telescopic rod (5), and the clamping plate (6) is fixedly arranged at the end of the telescopic rod (5). A circular groove (8) is formed in the lower end of the test box (1), a reversible motor is arranged in the circular groove (8), a rotating pipe (9) is fixedly arranged at the output shaft of the reversible motor, a hollow disc (11) is rotatably arranged in the circular groove (8), the rotating pipe (9) is communicated with the hollow disc (11), and an air outlet pipe (12) is arranged on the top surface of the hollow disc (11). The outer wall of the rotating pipe (9) is rotatably sleeved with a sleeve pipe (10), a plurality of air inlet holes are formed in the side wall of the rotating pipe (9), and the air inlet holes are located at the sleeving position of the sleeve pipe (10).

2. The waterproof test equipment for manufacturing of instruments and meters according to claim 1, characterized in that: The outer wall of the hollow disc (11) is fixedly sleeved with a sealing ring (13), and the outer wall of the sealing ring (13) is sealingly and slidably attached to the inner wall of the circular groove (8).

3. The waterproof test equipment for manufacturing of instruments and meters according to claim 2, characterized in that: The outer wall of the hollow disc (11) is symmetrically fixedly provided with two arc-shaped strips (14), and the inner wall of the circular groove (8) is provided with an annular groove.

4. The waterproof test equipment for manufacturing of instruments and meters according to claim 3, characterized in that: The two arc-shaped strips (14) fixedly connected to the outer wall of the hollow disc (11) are respectively slidably connected to the inside of the annular groove formed in the inner wall of the circular groove (8).

5. The waterproof test equipment for manufacturing of instruments and meters according to claim 1, characterized in that: The inner wall of the limiting cylinder (4) is symmetrically provided with two limiting grooves, and the outer wall of the telescopic rod (5) is symmetrically fixedly provided with two limiting blocks (15).

6. The waterproof test equipment for manufacturing of instruments and meters according to claim 5, characterized in that: The two limiting blocks (15) fixedly connected to the side wall of the telescopic rod (5) are respectively slidably connected to the inside of the two limiting grooves formed in the inner wall of the limiting cylinder (4).

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