CN215448374U

CN215448374U - Complete set bellows gas tightness testing arrangement

Info

Publication number: CN215448374U
Application number: CN202122118501.8U
Authority: CN
Inventors: 叶国胜; 曹长根; 宛敏胜; 王友胜
Original assignee: Anhui Xinhongsheng Electronic Technology Co ltd
Current assignee: Anhui Xinhongsheng Electronic Technology Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-01-07
Anticipated expiration: 2031-09-03

Abstract

The utility model provides a complete set of corrugated pipe air tightness testing device which comprises a testing table, wherein a top plate is fixed above the testing table through a support, a plurality of cylindrical plugs capable of being sleeved with the thick end of a complete set of corrugated pipe are installed at the bottom of the top plate, a plurality of clamping mechanisms in one-to-one correspondence with the cylindrical plugs are installed on the top plate, the clamping mechanisms can simultaneously clamp the thick end sleeved on the cylindrical plugs, pressure sensors are installed at the bottoms of the cylindrical plugs, a plurality of insertion pipes capable of being sleeved with the thin end of the complete set of corrugated pipe and in one-to-one correspondence with the cylindrical plugs are installed on the testing table, and an air pumping mechanism capable of supplying air to the insertion pipes simultaneously is installed in the testing table. The device can effectively seal the butt and the thin end of complete set bellows to can detect for the air feed in a plurality of complete set bellows simultaneously, detect with low costsly, the simple operation.

Description

Complete set bellows gas tightness testing arrangement

Technical Field

The utility model relates to the technical field of complete set corrugated pipe detection, in particular to a complete set corrugated pipe air tightness testing device.

Background

The corrugated pipe set is a pipe fitting installed in a washing machine and generally comprises a corrugated pipe, a plastic connecting piece and a suction thin pipe, wherein the plastic connecting piece is used for connecting the corrugated pipe and the thin pipe, and the air tightness is always required to be detected after the corrugated pipe set is assembled.

Because the complete set of corrugated pipe is divided into a thick end and a thin end, two ends are not easy to be effectively sealed, the cost of the detection form of the air tightness detector is higher at present, and the air tightness of a plurality of complete set of corrugated pipes cannot be detected simultaneously.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides a complete set of corrugated pipe air tightness testing device which can effectively seal the thick end and the thin end of a complete set of corrugated pipes, can simultaneously detect air supply in a plurality of complete set of corrugated pipes, and is low in detection cost and convenient and fast to operate.

In order to solve the problems, the technical scheme adopted by the utility model is as follows:

the utility model provides a complete set bellows gas tightness testing arrangement, includes the testboard, the top of testboard is fixed with the roof through the support, but a plurality of cylindricality plugs of the thick head end of complete set bellows of suit are installed to the bottom of roof, install a plurality of clamping mechanism with a plurality of cylindricality plug one-to-ones on the roof, a plurality of clamping mechanism can press from both sides the thick head end of suit on a plurality of cylindricality plugs tightly simultaneously, pressure sensor is all installed to the bottom of a plurality of cylindricality plugs, but install on the testboard the thin head end of complete set bellows of suit and with a plurality of intubate of a plurality of cylindricality plug one-to-ones, install the pump gas mechanism that can be a plurality of intubate air supplies simultaneously in the testboard.

Preferably, clamping mechanism includes a plurality of double threaded rods, be equipped with the installation cavity in the roof, all concatenate together through the pivot end to end between a plurality of double threaded rods, be located both ends the pivot is rotated and is connected in the installation cavity, drive pivot pivoted motor is installed to one side of roof, all install clamping component on a plurality of double threaded rods.

Preferably, clamping component includes two movable plates and two arc splint, two movable plates threaded connection respectively are in the both sides of double threaded rod, the bottom of roof is equipped with the bar mouth that supplies two movable plates to extend from the installation intracavity, two arc splint correspond respectively and fix the extension end at two movable plates, and two arc splint are located the both sides of cylindricality plug respectively.

Preferably, the thread directions of the two sides of the double-end threaded rod are opposite.

Preferably, the pump gas mechanism is including setting up a plurality of air cavities in the testboard, a plurality of air cavities are parallel to each other, and the front side of a plurality of air cavities all is connected with the breathing pipe, the lower extreme of a plurality of intubate corresponds a plurality of air cavities of connection respectively, all install the check valve in breathing pipe and the intubate, all be equipped with the piston in a plurality of air cavities, the rear side of piston is fixed with the connecting rod that stretches out from the air cavity rear side, and is many the extension end common fixation of connecting rod has the connecting plate, the cylinder that can promote the connecting plate back-and-forth movement is installed to the bottom of testboard.

Preferably, a plurality of pressure gauges are installed at the top of roof, a plurality of pressure gauges correspond the pressure sensor who connects a plurality of cylindricality plug bottoms respectively.

Preferably, the plurality of cannulas are provided with bulges at the upper end nozzles.

The utility model has the beneficial effects that:

1. through installation clamping mechanism, when the thick head end of a plurality of complete sets of bellows was simultaneously the suit in on a plurality of cylindricality plugs, clamping mechanism can further press from both sides tightly thick head end, improves sealed effect to the intubate end is equipped with the bulge, and the thin head end of complete sets of bellows can carry out effectively spacing and sealed after inserting, avoids droing of testing process.

2. Through installation pump gas mechanism, adopt the flexible form of cylinder, can go into the detection that carries out the gas tightness in a plurality of sets of bellows with the gas pump in a plurality of gas chambeies, the simple operation.

3. Through installation pressure sensor and manometer, can detect the inside atmospheric pressure value of complete set ripple pipe fast, compare with the standard value and can obtain the gas tightness fast, detect with low costsly.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a test station according to the present invention;

FIG. 3 is a diagram illustrating a detection state according to the present invention.

In the figure: the device comprises a test board 1, a cylinder 2, an insertion tube 3, a protruding part 4, an air suction pipe 5, a support 6, an arc-shaped clamping plate 7, a cylindrical plug 8, a pressure sensor 9, a moving plate 10, a double-threaded rod 11, a motor 12, a top plate 13, a pressure gauge 14, a mounting cavity 15, a connecting plate 16, a piston 17, an air cavity 18, a connecting rod 19 and a corrugated pipe 20.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-3, a complete set bellows gas tightness testing arrangement, including testboard 1, the top of testboard 1 is fixed with roof 13 through support 6, but a plurality of cylindricality plugs 8 of the thick head end of complete set bellows 20 of suit are installed to the bottom of roof 13, install a plurality of clamping mechanism with a plurality of cylindricality plug 8 one-to-ones on roof 13, a plurality of clamping mechanism can press from both sides the thick head end of suit on a plurality of cylindricality plugs 8 simultaneously tightly, pressure sensor 9 is all installed to the bottom of a plurality of cylindricality plugs 8, but install on the testboard 1 a plurality of intubate 3 of the thin head end of complete set bellows 20 of suit and with a plurality of cylindricality plug 8 one-to-ones, install the pump gas mechanism that can be a plurality of intubate 3 air supplies simultaneously in the testboard 1.

Specifically, the clamping mechanism comprises a plurality of double threaded rods 11, the thread directions of two sides of each double threaded rod 11 are opposite, an installation cavity 15 is arranged in a top plate 13, the double threaded rods 11 are connected in series through the head and the tail of a rotating shaft, the rotating shafts at two ends are rotatably connected in the installation cavity 15, a motor 12 for driving the rotating shafts to rotate is arranged at one side of the top plate 13, clamping assemblies are respectively arranged on the double threaded rods 11 and comprise two moving plates 10 and two arc-shaped clamping plates 7, the two moving plates 10 are respectively in threaded connection with two sides of each double threaded rod 11, a strip-shaped opening for the two moving plates 10 to extend out of the installation cavity 15 is arranged at the bottom of the top plate 13, the two arc-shaped clamping plates 7 are respectively and correspondingly fixed at the extending ends of the two moving plates 10, the two arc-shaped clamping plates 7 are respectively arranged at two sides of a cylindrical plug 8, the motor 12 is started to drive the double threaded rods 11 to rotate, because the thread directions of the two sides of the double-threaded rod 11 are opposite, the two movable plates 10 can be driven to move relatively at the same time, and then the two arc-shaped clamping plates 7 are driven to move relatively to clamp the thick end on the cylindrical plug 8, so that the sealing performance is improved.

Specifically, pump gas mechanism is including setting up a plurality of air cavities 18 in testboard 1, a plurality of air cavities 18 are parallel to each other, the front side of a plurality of air cavities 18 all is connected with breathing pipe 5, a plurality of air cavities 18 are connected to the lower extreme of a plurality of intubate 3 correspondence respectively, all install the check valve in breathing pipe 5 and the intubate 3, all be equipped with piston 17 in a plurality of air cavities 18, piston 17's rear side is fixed with the connecting rod 19 that stretches out from air cavity 18 rear side, the extension end common fixation of a plurality of connecting rods 19 has connecting plate 16, can promote the cylinder 2 of connecting plate 16 back-and-forth movement is installed to testboard 1's bottom.

Further, a plurality of manometer 14 are installed at the top of roof 13, and a plurality of manometer 14 correspond respectively and connect the pressure sensor 9 of a plurality of cylindricality plugs 8 bottoms, and pressure sensor 9 can detect inside atmospheric pressure rapidly, shows through manometer 14, compares with the standard value and can judge out the gas tightness.

Further, the upper end mouth of pipe department of a plurality of intubate 3 is equipped with bulge 4, and bulge 4 on the intubate 3 is the annular bulge, can improve spacing and the sealed effect to thin head end.

Before testing, a plurality of complete sets of corrugated pipes 20 are vertically hung, the thick ends of the complete sets of corrugated pipes are sleeved on a cylindrical plug 8, the thin ends of the complete sets of corrugated pipes are sleeved on an inserting pipe 3, a motor 12 is started to drive a plurality of double-threaded rods 11 to rotate, because the thread directions of two sides of the double-threaded rods 11 are opposite, two movable plates 10 can be simultaneously driven to move relatively, and then two arc-shaped clamping plates 7 are driven to move relatively to clamp the thick ends on the cylindrical plug 8, the sealing performance is improved, a protruding part 4 at the upper end of the inserting pipe 3 is an annular protrusion which can improve the limiting and sealing effects on the thin ends, a cylinder 2 is started to drive a connecting plate 16 to move forwards and backwards, when a piston 17 is driven to move backwards through a connecting rod 19, outside air is sucked into an air cavity 18 through an air suction pipe 5, when the piston 17 moves forwards, air in the air cavity 18 is pumped into the complete sets of corrugated pipes 20 through the inserting pipe 3, the times of reciprocating movement of the plurality of pistons 17 are the same, furthermore, the gas quantity in the bellows 20 is the same, the pressure sensor 9 can rapidly detect the internal gas pressure, the gas tightness can be judged by comparing the gas pressure with the standard value displayed by the pressure gauge 14, and when the detected pressure value is smaller than the standard value, the problem of the gas tightness of the bellows 20 is shown.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A complete set of corrugated pipe air tightness testing device comprises a testing table (1) and is characterized in that, a top plate (13) is fixed above the test bench (1) through a bracket (6), a plurality of cylindrical plugs (8) which can be sleeved with the thick end of the complete set of corrugated pipe (20) are arranged at the bottom of the top plate (13), a plurality of clamping mechanisms which are in one-to-one correspondence with the plurality of cylindrical plugs (8) are arranged on the top plate (13), the clamping mechanisms can simultaneously clamp the thick head ends sleeved on the cylindrical plugs (8), the bottoms of the plurality of cylindrical plugs (8) are respectively provided with a pressure sensor (9), but install on testboard (1) and to suit a plurality of intubate (3) that corrugated pipe (20) thin head end and with a plurality of cylindricality plug (8) one-to-one, install the pump gas mechanism that can be a plurality of intubate (3) air supplies simultaneously in testboard (1).

2. The complete set of corrugated pipe airtightness testing device according to claim 1, wherein the clamping mechanism includes a plurality of double-threaded rods (11), a mounting cavity (15) is provided in the top plate (13), the plurality of double-threaded rods (11) are all connected in series through a rotating shaft end to end, the rotating shafts at two ends are rotatably connected in the mounting cavity (15), a motor (12) for driving the rotating shafts to rotate is installed at one side of the top plate (13), and a clamping assembly is installed on each of the plurality of double-threaded rods (11).

3. The complete set of corrugated pipe airtightness testing apparatus according to claim 2, wherein the clamping assembly includes two moving plates (10) and two arc-shaped clamping plates (7), the two moving plates (10) are respectively screwed on two sides of the double-threaded rod (11), the bottom of the top plate (13) is provided with a strip-shaped opening for the two moving plates (10) to extend out from the installation cavity (15), the two arc-shaped clamping plates (7) are respectively fixed on the extending ends of the two moving plates (10), and the two arc-shaped clamping plates (7) are respectively located on two sides of the cylindrical plug (8).

4. A bellows tightness test device in kit according to claim 2, characterized in that the threaded rods (11) are threaded in opposite directions on both sides.

5. The complete set of corrugated pipe airtightness testing device according to claim 1, wherein the pumping mechanism comprises a plurality of air cavities (18) arranged in the testing table (1), the air cavities (18) are parallel to each other, air suction pipes (5) are connected to the front sides of the air cavities (18), the lower ends of the insertion pipes (3) are correspondingly connected with the air cavities (18), one-way valves are respectively installed in the air suction pipes (5) and the insertion pipes (3), pistons (17) are respectively arranged in the air cavities (18), connecting rods (19) extending out of the rear sides of the air cavities (18) are fixed to the rear sides of the pistons (17), connecting plates (16) are jointly fixed to the extending ends of the connecting rods (19), and a cylinder (2) capable of pushing the connecting plates (16) to move back and forth is installed at the bottom of the testing table (1).

6. A complete set of bellows airtightness testing apparatus according to claim 1, wherein a plurality of pressure gauges (14) are mounted on the top of the top plate (13), and the plurality of pressure gauges (14) are respectively connected to the pressure sensors (9) at the bottoms of the plurality of cylindrical plugs (8).

7. A bellows airtightness test apparatus according to claim 1, wherein the plurality of insertion tubes (3) are provided with projections (4) at their upper end nozzles.