CN206648787U - A kind of heating and ventilating equipment hard pipeline gas leak detection device - Google Patents

Abstract

The utility model discloses an air leakage detection device for hard pipes of HVAC equipment, which comprises a first sleeve and a second sleeve, the right bottom of the first sleeve and the left bottom of the second sleeve are respectively arranged There are a first joint and a second joint, the right top of the first sleeve and the left top of the second sleeve are respectively connected to the connecting sleeve through the first threaded rod and the second threaded rod, and the internal design of the connecting sleeve There is a threaded hole, the first threaded rod and the second threaded rod are respectively threaded on the left and right sides of the inside of the threaded hole, an inflating device is provided on the outside left side of the water tank, and the inflating device is connected with the first joint through a hose; The first joint and the second joint seal the hard tube and put it into the water, and inflate the inside of the hard tube through the inflation device, and judge whether there is an air leak by judging whether the clear water will bubble, so that the hard tube can be detected Whether the tube is qualified, the device has low cost, simple operation and easy mass production.

Description

An air leakage detection device for hard pipes of HVAC equipment

technical field

The utility model relates to the technical field of heating and ventilation, in particular to an air leakage detection device for hard pipes of heating and ventilation equipment.

Background technique

HVAC equipment has been widely used in buildings in recent years to provide heating, ventilation, air conditioning and other functions to make the indoor air more comfortable and livable. HVAC equipment often needs to use hard pipes during the installation process. Once the hard pipes leak, it will easily lead to energy waste and cause certain losses. During the production of pipelines, it is necessary to perform air leakage detection on hard pipes. The existing The cost of air leakage detection equipment is high, and it is not easy to be mass-produced and popularized. Therefore, an air leakage detection device for hard pipes of HVAC equipment is proposed.

Utility model content

The purpose of this utility model is to provide an air leakage detection device for hard pipes of heating and ventilation equipment, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a hard pipe air leakage detection device for HVAC equipment, including a water tank, a first slide bar is provided on the left side of the water tank, and a A slide rail, the top of the slide rail is provided with a slide block, the top of the slide block is connected with a second slide bar, and the outer sides of the first slide bar and the second slide bar are respectively sleeved with a first sleeve and a second slide bar. Two sleeves, the right bottom of the first sleeve and the left bottom of the second sleeve are respectively provided with a first joint and a second joint, the right top of the first sleeve and the second sleeve The left top is respectively connected to the connecting sleeve through the first threaded rod and the second threaded rod, and the inside of the connecting sleeve is provided with a threaded hole, and the first threaded rod and the second threaded rod are respectively threaded into the threaded hole On the left and right sides of the inside of the water tank, an inflatable device is provided on the outside left side of the water tank, and the inflatable device communicates with the first joint through a hose.

Preferably, the inflation device includes a cylinder, a piston is arranged inside the cylinder, a piston rod is connected to the top of the piston, a second handle is provided on the top of the piston rod, and the bottom of the cylinder is left and right The two sides are respectively connected with an intake pipe and an exhaust pipe, and the nozzles of the intake pipe and the exhaust pipe are respectively provided with a first one-way valve and a second one-way valve.

Preferably, the first joint includes a housing, and a first metal plate is provided inside the right side of the housing, and the first metal plate is connected to the inner side of the housing through a spring, and the first metal plate An air duct runs through the central part, and a rubber gasket is provided on the outside of the first metal plate.

Preferably, a second metal sheet is provided inside the left side of the second joint, a rubber gasket is provided on the outside of the second metal sheet, and the right side of the second metal sheet is connected to the inside of the second joint by a spring .

Preferably, fastening bolts are provided on the outer sides of the first sleeve and the second sleeve.

Preferably, the outer side of the connecting sleeve is connected with a first handle, and the number of the first handle is not less than two

Compared with the prior art, the beneficial effect of the utility model is that the device seals the hard tube through the first joint and the second joint and then puts it into the water, and inflates the inside of the hard tube through the inflation device. Whether the clear water will bubble can be used to judge whether there is an air leak, so as to detect whether the rigid pipe is qualified. The device is low in cost, easy to operate, and easy to mass produce.

Description of drawings

Fig. 1 is the utility model sectional structure schematic diagram;

Fig. 2 is a structural schematic diagram of the utility model inflator;

Fig. 3 is a schematic diagram of the structure of the first joint of the utility model;

Fig. 4 is a schematic diagram of the structure of the second joint of the present invention.

In the figure: 1 sink, 2 first slide bar, 3 second slide bar, 4 slide rail, 5 slide block, 6 first sleeve, 7 second sleeve, 8 first joint, 9 second joint, 10th One threaded rod, 11 second threaded rod, 12 connecting sleeve, 13 threaded hole, 14 first handle, 15 inflation device, 16 hose, 17 fastening bolt, 18 cylinder block, 19 intake pipe, 20 exhaust pipe, 21 The first one-way valve, 22 the second one-way valve, 23 piston, 24 piston rod, 25 the second handle, 26 the first metal plate, 27 rubber washer, 28 spring, 29 air guide tube, 30 the second metal sheet, 31 shell body.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-4, the utility model provides a technical solution: a hard pipe air leakage detection device for HVAC equipment, including a water tank 1, and a first slide bar 2 is provided on the left side of the water tank 1, so that The top of the water tank 1 is provided with a slide rail 4, and the top of the slide rail 4 is provided with a slide block 5, and the top of the slide block 5 is connected with a second slide bar 3, and the first slide bar 2 and the second slide bar The outside of the rod 3 is respectively sleeved with a first sleeve 6 and a second sleeve 7, and the right bottom of the first sleeve 6 and the left bottom of the second sleeve 7 are respectively provided with a first joint 8 and a second joint. Two joints 9, the right top of the first sleeve 6 and the left top of the second sleeve 7 are respectively connected to the connecting sleeve 12 through the first threaded rod 10 and the second threaded rod 11, the connecting sleeve The inside of the cylinder 12 is provided with a threaded hole 13, the first threaded rod 10 and the second threaded rod 11 are respectively threaded on the left and right sides of the inside of the threaded hole 13, and the external left side of the water tank 1 is provided with an inflator 15, The inflation device 15 communicates with the first joint 8 through a hose 16 .

Further: the inflation device 15 includes a cylinder body 18, the inside of the cylinder body 18 is provided with a piston 23, the top of the piston 23 is connected to a piston rod 24, and the top of the piston rod 24 is provided with a second handle 25 , the left and right sides of the bottom of the cylinder block 18 are respectively connected with an intake pipe 19 and an exhaust pipe 20, and the nozzles of the intake pipe 19 and the exhaust pipe 20 are respectively provided with a first check valve 21 and a second check valve. Valve 22 is used to inflate the hard tube.

Further: the first joint 8 includes a housing 31, the inside of the right side of the housing 31 is provided with a first metal plate 26, and the first metal plate 26 is connected to the inner side of the housing 31 through a spring 28, The central portion of the first metal plate 26 is penetrated with an air duct 29 , and the outer side of the first metal plate 26 is provided with a rubber gasket 27 , so that the first joint 8 can be smoothly inflated to the hard tube.

Further: the left side of the second joint 9 is provided with a second metal sheet 30, the outer side of the second metal sheet 30 is provided with a rubber gasket 27, and the right side of the second metal sheet 30 is connected by a spring 28 On the inner side of the second joint 9, the clamping and sealing performance of the hard pipe is better.

Further: the outer sides of the first sleeve 6 and the second sleeve 7 are provided with fastening bolts 17 for fixing the positions of the first sleeve 6 and the second sleeve 7 .

Further: the outer side of the connecting sleeve 12 is connected with a first handle 14 , and the number of the first handles 14 is not less than two, which is convenient for rotating the connecting sleeve 12 .

Specifically, when in use, pour clean water into the water tank 1, lift up the first sleeve 6 and the second sleeve 7, so that the first joint 8 and the second joint 9 are exposed to the water surface, and then tighten the fastening bolt 17 so that the first The position of the sleeve 6 and the second sleeve 7 is locked, and then the two ends of the hard pipe are respectively stuck in the inside of the first joint 8 and the second joint 9. At this time, the spring 28 will drive the first metal plate 26 and the second joint. The metal sheets 30 are closely attached to the hard pipe mouth respectively, and the rubber washer 27 can make the sealing effect of the hard pipe mouth better. At the same time, the rotation of the connecting sleeve 12 is controlled by the first handle 14, so that the first threaded rod 10 and the second threaded rod The rod 11 moves to the inside of the threaded hole 13, so that the distance between the first joint 8 and the second joint 9 is shortened, and the slider 5 slides on the slide rail 4, which improves the stability of the movement of the second joint 9. A joint 8 and a second joint 9 clamp the hard pipe and stop rotating the connecting sleeve 12, then loosen the fastening bolt 17, and move the first sleeve 6 and the second sleeve 7 downward, thereby making the hard pipe The tube is put into the water in the water tank 1, and then the piston 23 moves upward by lifting the second handle 25, and the cylinder 18 sucks in air through the intake pipe 19, at this time the first one-way valve 21 is in the conduction state and the second one-way The valve 22 is in the closed state, and then the second handle 25 is pressed, so that the gas inside the cylinder 18 is discharged through the exhaust pipe 20. At this time, the first one-way valve 21 is in the closed state, and the second one-way valve 22 is in the conduction state. The gas discharged from the exhaust pipe 20 is discharged into air from the flexible pipe 16 to the guide pipe 29, and the air guide pipe 29 discharges the air into the hard pipe. When the hard pipe leaks, the clear water will bubble, so that the leaking part can be detected.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. a kind of heating and ventilating equipment hard pipeline gas leak detection device, including tank（1）, it is characterised in that：The tank（1）It is interior The first slide bar is provided with the left of portion（2）, tank（1）Top be provided with slide rail（4）, slide rail（4）Top be provided with sliding block（5）, sliding block （5）Top be connected with the second slide bar（3）, first slide bar（2）With the second slide bar（3）Outside be respectively sleeved on first set Cylinder（6）And second sleeve（7）, the first sleeve（6）Bottom right side and second sleeve（7）Left bottom be respectively equipped with first and connect Head（8）With the second joint（9）, the first sleeve（6）Right hand top and second sleeve（7）Left side top pass through the first spiral shell respectively Rasp bar（10）With the second threaded rod（11）With branch sleeve（12）It is connected, the branch sleeve（12）Be internally threaded hole （13）, first threaded rod（10）With the second threaded rod（11）Screwed hole is threadedly connected to respectively（13）Inside or so two Side, the tank（1）Outer left side be provided with aerating device（15）, the aerating device（15）Pass through flexible pipe（16）Connect with first Head（8）It is connected.

A kind of 2. heating and ventilating equipment hard pipeline gas leak detection device according to claim 1, it is characterised in that：The inflation Device（15）Including cylinder body（18）, cylinder body（18）Inside be provided with piston（23）, piston（23）Top be connected with piston rod （24）, the piston rod（24）Top be provided with the second in command（25）, the cylinder body（18）Bottom at left and right sides of be respectively communicated with There is air inlet pipe（19）And blast pipe（20）, air inlet pipe（19）And blast pipe（20）The mouth of pipe at be respectively equipped with the first check valve（21） With the second check valve（22）.

A kind of 3. heating and ventilating equipment hard pipeline gas leak detection device according to claim 1, it is characterised in that：Described first Joint（8）Including housing（31）, the housing（31）Right side inside be provided with the first metallic plate（26）, the first metallic plate（26）It is logical Cross spring（28）With housing（31）Inner side be connected, first metallic plate（26）Centre through there is airway tube （29）, the first metallic plate（26）Outside be provided with rubber washer（27）.

A kind of 4. heating and ventilating equipment hard pipeline gas leak detection device according to claim 1, it is characterised in that：Described second Joint（9）Left side inside be provided with the second sheet metal（30）, the second sheet metal（30）Outside be provided with rubber washer（27）, it is described Second sheet metal（30）Right side pass through spring（28）It is connected to the second joint（9）Inner side.

A kind of 5. heating and ventilating equipment hard pipeline gas leak detection device according to claim 1, it is characterised in that：Described first Sleeve（6）And second sleeve（7）Outside be equipped with fastening bolt（17）.

A kind of 6. heating and ventilating equipment hard pipeline gas leak detection device according to claim 1, it is characterised in that：The connection Sleeve（12）Outside be connected with the first in command（14）, and the first in command（14）Quantity be no less than two.