CN205826233U - A kind of water heater liner examination water detection equipment - Google Patents

Abstract

The utility model discloses a kind of water heater liner examination water detection equipment, belong to field of water heaters.This utility model includes outside support, lift cylinder, water tank and internal stent, lift cylinder is arranged on outside support top, below the externally-located support of water tank, it is provided with detent mechanism in internal stent and seals admission gear, detent mechanism includes positioning support beam and axial positioning sleeve, water heater liner is placed in the support beam of location, and its blind end props up axial positioning sleeve；In described sealing admission gear first blocks the water transport port one_to_one corresponding on cylinder and water heater liner and blocks water transport port by sealing-plug, and its second closure cylinder is provided with inlet valve, and this inlet valve is for blocking the open top of water heater liner.After water heater liner is positioned by this utility model, use that cylinder is corresponding with water transport port seals, accurate positioning, good sealing effect, substantially increase the accuracy rate of detection efficiency and detection.

Description

A kind of water heater liner examination water detection equipment

Technical field

This utility model relates to water heater processing technique field, more particularly, it relates to a kind of water heater liner examination water inspection Measurement equipment.

Background technology

Water heater liner is for storing the device of water in water heater, and it has to comply with insulation, pressure, non-corrosive, anhydrous Requirement dirty, impermeable, present water heater liner is mainly stainless steel inner container, and its advantage is that inner bag material is good, intensity is high, resistance to High temperature, anticorrosive, stable performance, be difficult to get rusty.Once damaging due to water heater liner and be difficult to repair, its manufacturing process seems phase When important.It is known that stainless steel inner container is difficult to welding, wherein maximum hidden danger is weld seam technique, and the quality of welding is with employee's Skilled operation degree, emotion are closely related, and are easily generated rosin joint phenomenon, and are difficult to be found.Therefore, welded at water heater liner Need after one-tenth to carry out to try water inspection, it is ensured that water heater liner does not leak gas mouth.

In the prior art, the method using ability of swimming to leak hunting inner bag is to be blocked in the hole on water heater liner, and pours Pressed gas, then by water tank submerged, by seeing whether that producing bubble judges whether water tank exists leak source.Current Check system mainly has two kinds, and one is desk checking, the water transport port plug on water heater liner, inwards after inflation Water tank is completely immersed in water, and whether detection water-heater water tank has gas leak phenomenon, because the volume of water-heater water tank is relatively big, and buoyancy The biggest, it is difficult to during manual operation be completely immersed in water water heater liner water tank, leak hunting complex operation, wastes time and energy；Another Planting is to use cylinder to detect, and by cylinder in water heater liner press-in water after water transport port is blocked, whether observation has bubble Emerge.When using air cylinder detecting, the closure of outlet is the most crucial, blocks multiple water transport port the most simultaneously, protects Will not leak gas at closure during card detection, and also the most effective embodiment in prior art, it is necessary to make further Exploratory development.

China Patent No.: ZL 201620065112.X, the applying date: authorized announcement date: on June 15th, 2016, this application case Disclosing a kind of solar water heater water tank leak detecting device, including testing flume, testing flume is arranged over fixed mount, fixed mount Being provided with movable stand and the first cylinder, movable stand is provided with fixing device and plug, and plug includes seal plug and inflation plug, Seal plug includes seal plug body and is enclosed within first rubber ring at this external middle part of seal plug, seal plug body one end Being connected by bolt is swingable with the cross bar on movable stand, its other end for the benefit of inserts the coniform of corresponding pore, seal plug Head chamber body is provided with air bag, between air bag and the first rubber ring, is provided with pushing block；Inflation plug outer cover is provided with the second rubber Circle, inflation plug one end is connected by bolt is swingable with the cross bar on movable stand, and its other end for the benefit of inserts corresponding pore Coniform, inflation plug is provided with the most through filling channel, and the air inlet of filling channel connects external inflation pipe.

Above-mentioned application case uses double cylinder to lift, and completes to seal and examination water, has relative to manual detection bigger Progressive, but there is problems of being difficult to location, water heater exists multiple and ft connection water transport port, if on water transport port The length of ledge is different, it may be difficult to seal completely, say, that this device is when specifically used, it is likely that there is gas leakage Phenomenon.

Utility model content

1. utility model to solve the technical problem that

The purpose of this utility model is to overcome in prior art and is difficult to water heater liner is carried out effective location sealing Deficiency, it is provided that a kind of water heater liner examination water detection equipment, after water heater liner is positioned by this utility model, use cylinder Seal with water transport port one_to_one corresponding, accurate positioning, good sealing effect, substantially increase the accurate of detection efficiency and detection Rate.

2. technical scheme

For reaching above-mentioned purpose, the technical scheme that this utility model provides is:

A kind of water heater liner examination water detection equipment of the present utility model, including outside support, lift cylinder, water tank and interior Portion's support, lift cylinder is arranged on outside support top, and below the externally-located support of water tank, lift cylinder drives in internal stent Lower motion；Being provided with detent mechanism in described internal stent and seal admission gear, described detent mechanism includes positioning support beam And axial positioning sleeve, water heater liner is placed in the support beam of location, and its blind end props up axial positioning sleeve；Described it is sealed into Mechanism of qi structure includes the first closure cylinder and the second closure cylinder, described first closure cylinder and the water transport port one on water heater liner One correspondence also blocks water transport port by sealing-plug, and described second closure cylinder is provided with inlet valve, and this inlet valve is used for blocking heat The open top of water heater liner.

Further improving as this utility model, location support beam has two, two location support beam horizontal parallel Arrange.

Further improving as this utility model, described axial positioning sleeve is circular ring structure, when water heater liner When blind end props up axial positioning sleeve, the first closure cylinder is the most corresponding with water transport port.

Further improving as this utility model, the inwall of described axial positioning sleeve is by tilting section and horizontal segment group Becoming, tilting section is towards placing water heater liner side.

Further improving as this utility model, the side deviating from water heater liner on axial positioning sleeve is provided with Horizontal location bar, this horizontal location bar makes the bottom pole of water heater liner be horizontally situated.

Further improving as this utility model, the piston rod of described first closure cylinder connects inlet valve, The piston rod of the second closure cylinder connects and has sealing-plug.

Further improving as this utility model, described sealing-plug includes outside plug sleeve and rubber sleeve, outside plug sleeve Tail end is connected with piston rod, is provided with rubber sleeve in the cavity of outside plug sleeve, and the middle part of rubber sleeve forms annular seal space.

Further improving as this utility model, described inlet valve includes block rubber and pipe joint, pipe joint one end Fixing with piston rod and be connected, the pipe joint other end connects described block rubber, and block rubber center is provided with passage, this passage Communicate with the suction nozzle on pipe joint.

Further improve as this utility model, be provided with bottom guide housing bottom described internal stent, bottom this The shape of guide housing is corresponding with the cross sectional shape of water tank.

Further improving as this utility model, described internal stent both sides are provided with lead, and this lead erects Directly being fixed in water tank, internal stent lifts along lead.

3. beneficial effect

The technical scheme using this utility model to provide, compared with prior art, has the advantages that

(1) a kind of water heater liner examination water detection equipment of the present utility model, arranges location support beam and axial positioning sleeve Water heater liner is positioned, so as to fast and accurately water transport port is blocked；The present invention changes traditional fixing seal The seal operation of plug mode, is made the first closure cylinder and the water transport port one_to_one corresponding on water heater liner and is blocked by sealing-plug Water transport port, then each water transport port all can be blocked completely, better tightness, and it is more accurate to detect；

(2) a kind of water heater liner examination water detection equipment of the present utility model, sealing-plug is by outside plug sleeve and rubber sleeve group Becoming, outside plug sleeve entangles rubber sleeve, limits its radial deformation, when after rubber sleeve pressurized, rubber can only axial deformation, increase with defeated The contact surface at the mouth of a river, improves sealing property；Inlet valve includes block rubber and pipe joint, and the end face of block rubber is plane, it is possible to tight Close seals open top；Passage is offered at the middle part of block rubber, and passage connects with suction nozzle, it is possible to easily to water heater Injecting compressed air in inner bag, does not interferes with again sealing simultaneously, rational in infrastructure；

(3) a kind of water heater liner examination water detection equipment of the present utility model, the second closure cylinder and axial positioning sleeve Axle center is relative, and is supported by two location support beams, it is possible to quickly position, can when the first closure cylinder declines Accurately align with water transport port, substantially increase detection efficiency；

(4) a kind of water heater liner examination water detection equipment of the present utility model, independently divides internal stent and outside support Cut, only controlled the motion of internal stent by lift cylinder, bottom guide housing is set bottom internal stent, further increases The stationarity of motion；The location of water heater liner, fixing and inflation all complete in internal stent, are affected by other factors little, Location is more accurate, contributes to the raising of detection efficiency and accuracy in detection, it is simple to promote the use of.

Accompanying drawing explanation

Fig. 1 is the main TV structure schematic diagram of this utility model water heater liner；

Fig. 2 is the plan structure schematic diagram of this utility model water heater liner；

Fig. 3 is the structural representation of examination water of the present utility model detection equipment；

Fig. 4 is bottom guide housing and the fit structure schematic diagram of water tank in this utility model；

Fig. 5 a is the side-looking structural representation of axial positioning sleeve in this utility model；

Fig. 5 b is the main TV structure schematic diagram of axial positioning sleeve in this utility model；

Fig. 6 is the structural representation of sealing-plug in this utility model；

Fig. 7 is the structural representation of inlet valve in this utility model.

Label declaration in schematic diagram: 1, water heater liner；101, open top；102, water transport port；103, bottom pole； 201, outside support；202, lift cylinder；203, water tank；301, internal stent；302, the first closure cylinder；303, cylinder is fixed Plate；304, the second closure cylinder；305, bottom guide housing；306, location support beam；307, axial positioning sleeve；308, bottom is propped up Frame；309, horizontal location bar；4, sealing-plug；401, outside plug sleeve；402, rubber sleeve；403, annular seal space；5, inlet valve；501, rubber Blob of viscose；502, pipe joint；503, passage；504, suction nozzle.

Detailed description of the invention

For further appreciating that content of the present utility model, in conjunction with the accompanying drawings and embodiments this utility model is described in detail.

Embodiment 1

In conjunction with Fig. 1 and Fig. 2, water heater liner 1 is cylindric, and one end is provided with open top 101, this open top 101 Connecting with the internal cavity of water heater liner 1, open top 101 protrudes from the end face of water heater liner 1.At water heater liner 1 Blind end be provided with bottom pole 103, the sidewall of water heater liner 1 is provided with multiple water transport port 102, this water transport port 102 Including three, including water inlet, outlet and sewage draining exit, three water transport ports 102 are located along the same line.Due in design Difference and add the error in man-hour, the length of three water transport port protruding parts may differ, and causes existing when sealing and plugging Bigger difficulty.

In conjunction with Fig. 3, a kind of water heater liner examination water detection equipment of the present embodiment, including outside support 201, lift cylinder 202, water tank 203 and internal stent 301, outside support 201 is cuboid frame structure, and the lower section of outside support 201 is water tank 203, this water tank 203 is loaded with water, is used for detection of leaking gas.Lift cylinder 202 is arranged on outside support 201 top, referring to Fig. 3, Lift cylinder 202 direction before and after vertical paper is provided with two, connects and have internal on the piston rod of lift cylinder 202 Frame 301, lift cylinder 202 drives internal stent 301 to move up and down, and makes the bottom of internal stent 301 infiltrate in water tank 203, Water heater liner 1 is fixed in internal stent 301, just can carry out gas leakage detection.

When fixing water heater liner, needing to ensure its sealing, therefore, the present embodiment is arranged in internal stent 301 There is detent mechanism and seal admission gear.Detent mechanism includes positioning support beam 306 and axial positioning sleeve 307, as shown in Figure 4, Location support beam 306 has two, and two location support beam 306 horizontal parallel are arranged, and water heater liner 1 is placed on location support beam On 306, and its blind end props up axial positioning sleeve 307.The gap of two location support beams 306 is d/3～2d/3, and wherein d is The diameter of water heater liner 1.The cross section of location support beam 306 can be circular or rectangle, it is preferred that the present embodiment uses circle Shape, then location support beam 306 is column structure.Use the cylinder that two horizontal parallel are arranged, when fixing water heater liner is put After going, can position between support beam 306 at two by automatic clamping.Use cylinder location support beam 306, be water heater liner 1 Contact or when exerting a force in side, water heater liner 1 can be and it can be avoided that applied above at water heater liner 1 from line slip After pressure, contact point produces impression.

In addition, it is also possible to baffle plate or other structures replace axial positioning sleeve 307 axially to position water heater liner 1, But owing to baffle plate there may be certain support force while location, cause water heater liner 1 to tilt, position not accurate enough. And have employed the axial positioning sleeve 307 of annular, water heater liner 1 forms a closing with the contact point of axial positioning sleeve 307 Ring, the central shaft of water heater liner 1 is vertical with axial positioning sleeve 307, it is ensured that the accuracy of location, contributes in water heater The seal operation of gallbladder 1.

Sealing admission gear in the present embodiment includes the first closure cylinder 302 and the second closure cylinder 304, the first closure Cylinder 302 and water transport port 102 one_to_one corresponding on water heater liner 1, have 3 water transport ports 102 to be just correspondingly arranged 3 first closure Cylinder 302, is fixed with sealing-plug 4 in the piston rod end of the first closure cylinder 302, can block water transport port by this sealing-plug 4 102.Similarly, the second closure cylinder 304 is provided with inlet valve 5 for blocking the open top 101 of water heater liner 1.Inlet valve 5 On the one hand it is capable of sealing function, offers passage 503 at inlet valve 5 center, can be to water heater by this passage 503 Inner bag 1 is internal pours pressure air, in order to whether observation has gas leakage mouth, thus reaches testing goal.

In conventional design, it is mostly to use the mode of fixing seal plug to realize sealing, i.e. multiple sealing-plugs is fixed, drive Water heater liner moves so that it is water transport port coordinates with sealing-plug, makes integral support motion carry out gas leakage detection the most again.If it is defeated Mouth of a river length is different, or adds and there is error man-hour, then be difficult to reach preferable sealing effectiveness.And the present invention uses phase completely Anti-scheme, fixes water heater liner, uses multiple cylinder with sealing-plug and water transport port one_to_one corresponding, it is possible to ensure every Individual water transport port is all sealed.

Additionally, the present invention uses two location support beams 306 be supported location, have relative to the bracing frame of U-shaped The wider array of suitability.When using U-shaped bracing frame, the width of U-shaped both sides pole needs the diameter with water heater liner to have preferably Coordinating, otherwise when cylinder force seals, water heater liner 1 can be to a Slideslip, and overall fixed effect is bad, steadiness Difference.And using two location support beams 306 to be supported, the axis of water heater liner 1 is always positioned at two location support beams The middle of 306, will not break away during sealing, and the water heater liner for different-diameter all can use.

When installing the first closure cylinder 302, directly the first closure cylinder 302 can be arranged on internal stent 301 and push up Portion, it is possible to use other structures, key point is the corresponding relation ensureing the first closure cylinder 302 with water transport port 102.This enforcement Example is fixed with air cylinder fixed plate 303 in internal stent 301, and the first closure cylinder 302 is arranged on air cylinder fixed plate side by side On 303.

What deserves to be explained is, the first closure cylinder 302 is positioned at same vertical plane with the axis of water heater liner 1, with Time, the second closure cylinder 304 is corresponding with the central shaft of axial positioning sleeve 307, then the second closure cylinder 304 and axial positioning sleeve 307 coordinate water heater liner 1 axial restraint, and now the first closure cylinder 302 is directed at water transport port 102, drives the first closure 302 water heater liners of cylinder are pressed in the support beam of location, complete fixing and seal.Certain pressure is injected from inlet valve 5 After air, drive 202 internal stent 301 of lift cylinder to drop in water tank 203, gas leakage detection can be carried out.

Embodiment 2

In conjunction with Fig. 5 a, Fig. 5 b, a kind of water heater liner examination water detection equipment of the present embodiment, its basic structure and embodiment 1 is identical, and its difference is: the side deviating from water heater liner 1 on axial positioning sleeve 307 is provided with horizontal location bar 309, the spacing at this horizontal location bar 309 and axial positioning sleeve 307 center is slightly larger than the radius of bottom pole 103, and its difference is 0.5～3mm.

Can directly be positioned water transport port 102 towards surface by rule of thumb by artificial during normal operations, but for general work For people, need the regular hour to position, and after increasing horizontal location bar 309, axially determine as long as water heater liner 1 is enclosed within Position set 307, horizontal location bar 309 just orders about the bottom pole 103 of water heater liner 1 and is horizontally situated.Due in water heater Bottom pole 103 on gallbladder 1 is perpendicular with water transport port 102, then water transport port 102 is decided to be center position, it is possible to the first envelope Gas shutoff cylinder 302 is corresponding.

Further, the inwall of axial positioning sleeve 307 is made up of tilting section and horizontal segment, and tilting section is towards placing water heater Inner bag 1 side.The tilting section arranged has guidance quality, is favorably improved working (machining) efficiency.

Embodiment 3

A kind of water heater liner examination water detection equipment of the present embodiment, its basic structure is same as in Example 1, its difference Place is: the sealing-plug 4 in the present embodiment includes outside plug sleeve 401 and rubber sleeve 402, and as shown in Figure 6, outside plug sleeve 401 is Metal material, its tail end is connected with piston rod, and the head of outside plug sleeve 401 forms a running-on cavity, is provided with in cavity Rubber sleeve 402, the middle part of rubber sleeve 402 forms annular seal space 403, and the sidewall of rubber sleeve 402 is attached on outside plug sleeve 401, rubber Annular seal space 403 bottom surface of gum cover 402 is plane.

When sealing-plug 4 coordinates with water transport port 102, water transport port 102 outer wall is relatively thin, and in order to ensure to seal, sealing-plug 4 is with defeated To have enough pressure, annular seal space 403 bottom surface and water transport port 102 pressing between the mouth of a river 102, after rubber pressurized, volume is the most swollen Swollen, outside plug sleeve 401 then can limit the radial deformation of rubber sleeve 402, then the rubber bottom rubber sleeve 402 can only be along water delivery Mouth 102 outer wall axial deformations, form bigger contact surface, improve sealing effectiveness.

Inlet valve 5 in the present embodiment includes block rubber 501 and pipe joint 502, as it is shown in fig. 7, pipe joint 502 one end with Piston rod is fixing to be connected, and pipe joint 502 other end connects described block rubber 501, and the bore of open top 101 and wall thickness are relatively big, Just can realize sealing under the pressure of the second closure cylinder 304, block rubber 501 is without increasing outside plug sleeve.

In order to inflate in water heater liner 1, block rubber 501 center is provided with passage 503, this passage 503 Communicating with the suction nozzle 504 on pipe joint 502, suction nozzle 504 connects air inlet pipe, then can pump into compression in water heater liner 1 Gas.

Time specifically used, it is not limited to said structure, it is also possible on a piston rod in multiple first closure cylinders 302 Connecting inlet valve 5, connecting on the piston rod of the second closure cylinder 304 has sealing-plug 4, specifically can be according to structure and corresponding component Size be configured.

Embodiment 4

A kind of water heater liner examination water detection equipment of the present embodiment, its basic structure is same as in Example 1, its difference Place is: being provided with bottom guide housing 305 bottom described internal stent 301, bottom this, guide housing 305 is connected to internal stent On the bottom bracket 308 of 301, and the position height of bottom guide housing 305 is less than the position height of water tank 203 upper surface.This end Portion's guide housing 305 shape is corresponding with the cross sectional shape of water tank 203, the outward flange of bottom guide housing 305 and water tank 203 inwall Spacing is 2～8mm.Set bottom guide housing can preferably retrain the elevating movement of internal stent 301, prevents internal Frame 301 bumps to the sidewall of water tank 203.Also can arrange lead in internal stent both sides to guide, this lead is vertically solid Being scheduled in water tank, internal stent lifts along lead.

Feature in the various embodiments described above is not limited to the scheme in each embodiment, can be combined each other.For upper Stating detection device, present invention also offers a kind of water heater liner examination water detection method, its process is:

Step 1, detection prepare；

Lift cylinder 202, first is blocked cylinder 302 and the second closure cylinder 304 is connected to intake valve by trachea, three Individual first closure cylinder 302 is connected with same air inlet pipe, sets control program, water filling in water tank 203.

Step 2, water heater liner position；

Water heater liner 1 is placed in the support beam 306 of location, and water heater liner 1 blind end inserts axial positioning sleeve 307, bottom pole 103 pushed down by horizontal location bar 309 makes water heater liner 1 be horizontally positioned, and water transport port 102 is towards surface；

Then the piston rod of the second closure cylinder 304 stretches out, and inlet valve 5 props up open top 101 makes water heater liner 1 push up Tight axial positioning sleeve 307, water heater liner 1 is fixed.

Step 3, seal water heater liner and be filled with compressed air；

After step 2 completes, control the air inlet pipe air inlet of the first closure cylinder 302, the piston rod of the first closure cylinder 302 Stretching out, the water transport port 102 of correspondence blocked by sealing-plug 4, is then poured compressed air by suction nozzle 504 to water heater liner 1 inside.

Step 4, gas leakage detection；

After inflating 3 seconds, pressure reaches setting value, stops inflation, starts lift cylinder 202, makes internal stent 301 to decline Fall, after water heater liner 1 is immersed in the water, stop declining；Water heater liner 1 is placed 3～5 seconds in water, and whether observation has Continuous print bubble floating, if there do not have bubble to produce explanation water heater liner 1 sealing to be qualified.

Step 5, unload water heater liner, complete detection；

After step 4 completes, start lift cylinder 202, internal stent 301 is risen to initial position, first starts the first envelope Gas shutoff cylinder 302 aerofluxus, restarts the second closure cylinder 304 so that it is piston rod bounces back, and takes off water heater liner 1, completes once to examine Survey.First starting the first closure cylinder 302 after having detected can make the internal gas of water heater liner 1 discharge, and prevents from less During water transport port aerofluxus, air pressure hurts operator relatively greatly.

Repeat step 2,3,4,5 can carry out subsequent survey, in practical operation, only complete the detection of a water heater liner Needing the time of 20～25 seconds, efficiency is high, and Detection accuracy is high, is suitable to production and application.Valve body therein controls program can be according to need It is set, it is not necessary to repeat.

Although the present invention is also to use upper and lower twin-stage lift cylinder to carry out location examination water, but has with common twin-stage lifting Bigger difference.First order cylinder contributes to lifting, acts on identical；But second level cylinder (is equivalent to this in the present invention The first closure cylinder in bright) it is independent corresponding with water transport port, block one by one, be sealing-plug the conversion of motion of water heater liner Motion, either positional accuracy or sealing effectiveness, be all greatly improved.

Schematically being described the present invention and embodiment thereof above, this description does not has restricted, institute in accompanying drawing Show is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if the common skill of this area Art personnel enlightened by it, in the case of without departing from the invention objective, designs and this technical scheme without creative Similar frame mode and embodiment, all should belong to protection scope of the present invention.

Claims (10)

1. water heater liner examination water detection an equipment, including outside support (201), lift cylinder (202), water tank (203) and Internal stent (301), lift cylinder (202) is arranged on outside support (201) top, water tank (203) externally-located support (201) Lower section, lift cylinder (202) drives internal stent (301) to move up and down；It is characterized in that: described internal stent sets on (301) Being equipped with detent mechanism and seal admission gear, described detent mechanism includes positioning support beam (306) and axial positioning sleeve (307), Water heater liner (1) is placed on location support beam (306), and its blind end props up axial positioning sleeve (307)；Described it is sealed into Mechanism of qi structure includes the first closure cylinder (302) and the second closure cylinder (304), described first closure cylinder (302) and water heater Water transport port (102) one_to_one corresponding on inner bag (1) also blocks water transport port (102), described second closure cylinder by sealing-plug (4) (304) being provided with inlet valve (5), this inlet valve (5) is used for blocking the open top (101) of water heater liner (1).

A kind of water heater liner examination water detection equipment the most according to claim 1, it is characterised in that: location support beam (306) having two, two location support beam (306) horizontal parallel are arranged.

A kind of water heater liner examination water detection equipment the most according to claim 1, it is characterised in that: described axial positioning sleeve (307) it is circular ring structure, when the blind end of water heater liner (1) props up axial positioning sleeve (307), the first closure cylinder (302) the most corresponding with water transport port (102).

A kind of water heater liner examination water detection equipment the most according to claim 3, it is characterised in that: described axial positioning sleeve (307) inwall is made up of tilting section and horizontal segment, and tilting section is towards placing water heater liner (1) side.

A kind of water heater liner examination water detection equipment the most according to claim 3, it is characterised in that: at axial positioning sleeve (307) side deviating from water heater liner (1) on is provided with horizontal location bar (309), and this horizontal location bar (309) makes water heater The bottom pole (103) of inner bag (1) is horizontally situated.

A kind of water heater liner examination water detection equipment the most according to claim 1, it is characterised in that: described first closure gas Connecting on the piston rod of cylinder (302) and have inlet valve (5), connecting on the piston rod of the second closure cylinder (304) has sealing-plug (4)。

7. try water detection equipment according to a kind of water heater liner described in claim 1 or 6, it is characterised in that: described sealing-plug (4) including outside plug sleeve (401) and rubber sleeve (402), outside plug sleeve (401) tail end is connected with piston rod, at outside plug sleeve (401) being provided with rubber sleeve (402) in cavity, the middle part of rubber sleeve (402) forms annular seal space (403).

8. try water detection equipment according to a kind of water heater liner described in claim 1 or 6, it is characterised in that: described inlet valve (5) including block rubber (501) and pipe joint (502), pipe joint (502) one end is fixing with piston rod to be connected, and pipe joint (502) is another One end connects described block rubber (501), and block rubber (501) center is provided with passage (503), this passage (503) and pipe Suction nozzle (504) on joint (502) communicates.

9. try water detection equipment according to a kind of water heater liner according to any one of claim 1～6, it is characterised in that: institute State internal stent (301) bottom and be provided with bottom guide housing (305), the shape of guide housing (305) and water tank (203) bottom this Cross sectional shape is corresponding.

10. try water detection equipment according to a kind of water heater liner according to any one of claim 1～6, it is characterised in that: institute Stating internal stent (301) both sides and be provided with lead, this lead is vertically fixed in water tank, and internal stent (301) is along guiding Post lifts.