CN208425950U - Drain assembly and cold tank - Google Patents

Abstract

The utility model provides a kind of drain assembly and cold tank；Drain assembly includes: drainage element, is the structure of both ends open and inner hollow；The outside of drainage element is arranged in reinforcement；Plug, plug are directly or indirectly detachably connected with one end of drainage element.The utility model is equipped with reinforcement by the outer cover in drainage element; it can bear biggish pressure and indeformable; to protect drainage element will not because of hydraulic pressure and dilatancy to bursting leak; specifically; the reinforcement of intensity height, good toughness can be selected; the drainage element for selecting performance more slightly worse, i.e. preventing water leakage reduce production cost again.Plug is directly or indirectly detachably connected with one end of drainage element, when drain assembly is applied in the equipment such as cold tank, when needing to drain, plug is openable, drainage element proper drainage, after draining, plug is reinstalled, the leakproofness for guaranteeing drainage element, plays the role of preventing the equipment leak such as cold tank.

Description

Drain assembly and cold tank

Technical field

The utility model relates to water dispenser technical fields, in particular to a kind of drain assembly and cold tank.

Background technique

Currently, if failing to handle well at drainpipe, will have the risk of leak, at present using the cold tank of hydraulic pressure water-driven Product on the market simply cancels draining, but in order to meet the draining of machine when not in use, and being pacified with water for protection user Entirely, the demand of the draining after cold tank is periodically cleaned, it is also necessary to drainpipe is set, cannot be entirely eliminated, therefore, a energy Enough guarantee that the water drainage part of cold tank safety drain becomes one of people's urgent problem.

Utility model content

The utility model aims to solve at least one of technical problems existing in the prior art or related technologies.

For this purpose, the first aspect of the utility model is, a kind of drain assembly is proposed.

The second aspect of the utility model is, proposes a kind of cold tank.

In view of this, according to the present utility model in a first aspect, providing a kind of drain assembly, drain assembly includes: row Water part is the structure of both ends open and inner hollow；The outside of drainage element is arranged in reinforcement；Plug, plug directly or It is grounded and is detachably connected with one end of drainage element.

Drain assembly provided by the utility model, including drainage element, reinforcement and plug, wherein drainage element and increasing Strong part is the structure of both ends open and inner hollow, and optionally, drainage element and reinforcement are round tube, and reinforcement is set in draining The outside of part, can bear hydraulic pressure and indeformable, thus protect drainage element will not because of hydraulic pressure and dilatancy to bursting leakage Specifically toughness and the preferable reinforcement of intensity can be selected, the pressure that can be born is bigger, more difficult explosion in water.Because There is the protective effect of reinforcement, the drainage element of intensity and toughness almost such as silicone tube can be selected, so that production cost is reduced, Improve the competitiveness in market.Certainly, the selection of reinforcement and drainage element in material may also differ from above, can be according to reality It is selected.Specifically, drain assembly is applied in the equipment for needing to drain, especially for using hydraulic pressure water-driven Cold tank can generate biggish pressure to drainage element, firstly, one end of drain assembly can be connected to the row of need during draining In the equipment of water, it is preferable that the water pipe on drainage equipment can be plugged in the inside of drainage element, to guarantee the airtightness of junction, After connecting, plug can be opened, be drained, drain assembly is safe and reliable, the phenomenon that being not in explosion, when draining is tied Shu Hou covers plug, can disassemble drain assembly from equipment, and drain assembly is stored, so that drain assembly is not Occupy extra space.It is, of course, preferable to drain assembly, can be connected in equipment always by ground, without disassembling, and will draining Component is fixed in equipment, and drain assembly is removed when needing to drain, and is opened plug, is drained, save installation drain assembly Operation on to equipment is reinstalling plug after use, then drain assembly is being fixed in equipment, simple and convenient, Wherein, the airtightness when setting of plug can effectively prevent equipment not need draining, water or other liquid in equipment will not be from Leakage is walked in drain assembly.

In addition, can also be had following additional according to the drain assembly in above-mentioned technical proposal provided by the utility model Technical characteristic:

In the above-mentioned technical solutions, selection of land, drain assembly further include: fixing piece is both ends open and inner hollow Structure, fixing piece are arranged between drainage element and plug, and plug covers the open at one end of fixing piece.

In the technical scheme, drain assembly further includes fixing piece, is the structure of both ends open and inner hollow, fixed Part is arranged between drainage element and plug, plays the role of accepting drainage element and plug, simultaneously because drainage element and reinforcement Generally round tube, outer smooth, it is not easy to which fixed, therefore, the setting of fixing piece, can play will be arranged with the draining of reinforcement Part is fixed on the somewhere in equipment, as machine pedestal on, play the role of to drain assembly store.Wherein, fixing piece can be High voltage bearing plastic part is not limited only to this certainly for high voltage bearing metalwork.

In any of the above-described technical solution, it is preferable that fixing piece includes: main body, and one end of main body is plugged in drainage element Inside, the other end and the plug of main body are detachably connected；Limiting section, limiting section are arranged on the outer wall of main body, and along its circumferential direction Extend；When one end of main body is plugged into the inside of drainage element, limiting section support is leaned against on the end face of drainage element.

In the technical scheme, fixing piece includes main body and limiting section, wherein one end of main body is plugged in the interior of drainage element Portion, the other end and the plug of main body are detachably connected, relative to the directly stifled one end for being located at drainage element of plug, drainage element and main body Interface be hidden in the inside of drainage element, the interface of main body and plug is hidden in the inside of main body, and better tightness, interface is not It is easy leak；Limiting section is additionally provided on the outer wall of main body, and limiting section is along the circumferentially extending of main body, when one end of main body plugs When into the inside of drainage element, limiting section support is leaned against on the end face of drainage element, play prevent main body due to Rig up error or due to It loosens and is all introduced into drainage element.

In any of the above-described technical solution, it is preferable that drain assembly further include: nut, nut be located in fixing piece setting Have on one end of plug, nut is used with the outer wall of fixing piece and is threadedly coupled.

In the technical scheme, drain assembly further includes nut, and screw thread is provided on the inner sidewall of nut, and nut be located in Fixing piece is provided on one end of plug, and the inner sidewall of nut and the lateral wall of fixing piece tighten connection using screw thread, it is seen then that spiral shell Cap plays the role of double insurance, by the fully wrapped around master in one end of plug and drainage element, i.e., on the basis of plug further Prevent leak so that the better tightness of drain assembly, is mounted in equipment for a long time particularly with by drain assembly, for a long time with set It is standby to be connected, when not needing draining, it is ensured that the airtightness inside equipment, such as drain assembly apply the cold tank in water dispenser It is interior, when drain assembly is mounted on for a long time not to be disassembled on cold tank, because it is connected with cold tank, water is full of in cold tank for a long time, There is the double protection of nut, cold tank leak can be further prevented.

In any of the above-described technical solution, it is preferable that drain assembly further include: fastener, fastener are cyclic structure, tightly Firmware is set in the outside of reinforcement, and the quantity of fastener is at least one.

In the technical scheme, drain assembly further includes fastener, and fastener is cyclic structure, and fastener is set in enhancing The outside of part guarantees that reinforcement is securely fixed in the outside of drainage element, prevents reinforcement play.The quantity of fastener is at least One, optionally, the quantity of fastener is two, and one of fastener is arranged in drainage element and is connected with the water pipe of other equipment The position connect, i.e. water pipe in equipment can be plugged in the inside of drainage element, and the outer cover of drainage element is equipped with reinforcement, fastener set It is located at the outside of this three root canal, so that three connects closer, further prevents leak；The setting of another fastener is draining The main body at the position that part is matched with fixing piece, i.e. fixing piece is plugged in the inside of drainage element, and reinforcement is set in drainage element Outside, this fastener are set in the outside of three components, so that three cooperates even closer, can equally effectively prevent leak. Certainly, the quantity of fastener and position are not limited only to this.

In any of the above-described technical solution, it is preferable that fastener is the tight band fastener of nylon；Or fastener is elastic card Spring fastener.

In the technical scheme, fastener is the tight band fastener of nylon or fastener is elastic force circlip fastener, equal energy It is enough to be rigidly secured together drainage element, reinforcement or drainage element, reinforcement and other component, it prevents from sending out each other Raw play.It is the tight band of nylon for fastener, tightness is adjustable, applies more convenient, and cost is relatively low. It is elastic force circlip for fastener, it is larger to the tightening force of drainage element, reinforcement and other component, facilitate the tight of each component Close connection, and the elasticity of elastic force circlip is preferably, it is not easy to it damages.

In any of the above-described technical solution, it is preferable that reinforcement is polyvinyl chloride glass fiber reinforcement part.

In the technical scheme, reinforcement is polyvinyl chloride glass fiber reinforcement part, that is, is commonly called as cotton varnished sleeve, intensity and Toughness is all preferable, can bear biggish pressure, therefore, is set in the outside of drainage element, can play and effectively prevent drainage element quick-fried The effect split.

In any of the above-described technical solution, it is preferable that drainage element and fixing piece are interference fitted, prevent the main body of fixing piece from The inside of drainage element is backing out, guarantees the leakproofness of the two junction.

In any of the above-described technical solution, it is preferable that plug and fixing piece are interference fitted, and prevent master of the plug from fixing piece Internal portion is backing out, guarantees the leakproofness of the two junction.

Second aspect according to the present utility model proposes a kind of cold tank, comprising: row described in any of the above-described technical solution Water assembly.

Therefore cold tank provided by the utility model, has the row including drain assembly described in any of the above-described technical solution Whole beneficial effects of water assembly, details are not described herein.

In addition, can also have following supplementary technology according to the cold tank in above-mentioned technical proposal provided by the utility model Feature:

In the above-mentioned technical solutions, it is preferable that cold tank further include: cylinder, cylinder are the structure of inner hollow；Drainpipe, Drainpipe setting is connected on cylinder, and with cylinder；Wherein, drainpipe is plugged in the inside of the drainage element of drain assembly；Into Water pipe is arranged on cylinder；Outlet pipe is arranged on cylinder.

In the technical scheme, cold tank is applied in the equipment such as water dispenser, and the outer wall of cylinder lower part is also wound with heat exchanger, For the hydrothermal exchange with cylinder lower part, so that cold water area is formed at cylinder lower part, top is room temperature pool, and cold tank passes through water inlet pipe Water is supplemented into cylinder, and the cold water in cold tank is delivered to the water outlet of water dispenser by outlet pipe.Cold tank further includes cylinder And drainpipe, wherein drainpipe setting is connected on cylinder, and with cylinder, and drainpipe is plugged in the draining of drain assembly The inside of part realizes being connected for cold tank and drain assembly, specifically, also the outer of place can be matched with drainage element in drainpipe Portion is provided with fastener, guarantees the stability and airtightness of the two connection, realizes the assembling of drain assembly Yu cold tank, preferably Ground, drain assembly can be installed on cold tank.When cold tank cylinder cleaning after need drain or cold tank do not use when its It is when the water of its inside need to be discharged in cylinder, the fixing piece on drain assembly is fixed somewhere, successively opening drain assembly Nut and plug, are normally drained, and after draining, after can successively installing plug and nut, will be drained Component is removed from certain bearing, and the fixing piece of drain assembly is being fastened on the somewhere on water dispenser, is being completed to drain assembly Storage.

The additional aspect and advantage of the utility model will become obviously in following description section, or practical new by this The practice of type is recognized.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the explosive view of drain assembly in one embodiment of the utility model；

Fig. 2 is the structural schematic diagram of drain assembly in one embodiment of the utility model；

Fig. 3 is the explosive view of the cold tank in one embodiment of the utility model including drain assembly；

Fig. 4 is the structural schematic diagram of the cold tank in one embodiment of the utility model including drain assembly.

Wherein, the corresponding relationship in Fig. 1 to Fig. 4 between appended drawing reference and component names are as follows:

100 drain assemblies, 102 drainage elements, 104 reinforcements, 106 fixing pieces, 108 main bodys, 110 limiting sections, 112 plugs, 114 nuts, 116 first fasteners, 118 second fasteners, 200 cold tanks, 202 cylinders, 204 water inlet pipes, 206 outlet pipes, 208 rows Water pipe, 210 fixed plates.

Specific embodiment

In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen The feature in embodiment and embodiment please can be combined with each other.

Many details are explained in the following description in order to fully understand the utility model, still, this is practical Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously It is not limited by the specific embodiments disclosed below.

The drain assembly 100 according to the utility model some embodiments and cold tank are described referring to Fig. 1 to Fig. 4 200。

As shown in Figures 1 to 4, the embodiment of the utility model first aspect provides a kind of drain assembly 100, draining group Part 100 includes: drainage element 102, is the structure of both ends open and inner hollow；Drainage element 102 is arranged in reinforcement 104 It is external；Fixing piece 106, is the structure of both ends open and inner hollow, and fixing piece 106 is arranged in drainage element 102 and plug 112 Between, plug 112 covers the open at one end of fixing piece 106, and plug 112 is detachably connected with fixing piece 106.

Drain assembly 100 provided by the utility model, including drainage element 102, reinforcement 104 and plug 112, wherein Drainage element 102, reinforcement 104 are the structure of both ends open and inner hollow, and optionally, drainage element 102 and reinforcement 104 are Round tube, reinforcement 104 are set in the outside of drainage element 102, hydraulic pressure can be born and indeformable, to protect drainage element 102 Will not be because of hydraulic pressure and to leak is burst specifically, toughness and the preferable reinforcement 104 of intensity can be selected in dilatancy, The pressure that can be born is bigger, more difficult explosion.Because there is the protective effect of reinforcement 104, intensity and poor toughness one can be selected The drainage element 102 of point such as silicone tube improves the competitiveness in market to reduce production cost.Certainly, 104 He of reinforcement Selection of the drainage element 102 in material may also differ from above, can be selected according to actual needs.Specifically, drain assembly 100 apply in the equipment for needing to drain, especially for the cold tank 200 using hydraulic pressure water-driven, during draining, meeting Biggish pressure is generated to drainage element 102, firstly, one end of drain assembly 100 can be connected in the equipment that need to be drained, preferably Ground, the inside that the water pipe on drainage equipment can be plugged in drainage element 102, can after connecting to guarantee the airtightness of junction Plug 112 to be opened, is drained, drain assembly 100 is safe and reliable, the phenomenon that being not in explosion, after draining, lid Drain assembly 100 can be disassembled from equipment, and drain assembly 100 is stored by good plug 112, so that drain assembly 100 are not take up extra space.It is, of course, preferable to drain assembly 100, can be connected in equipment always by ground, without disassembling, And drain assembly 100 is fixed in equipment, drain assembly 100 is removed when needing to drain, plug 112 is opened, is drained, and is saved The operation on installation drain assembly 100 to equipment has been saved, has reinstalled plug 112 after use, then by drain assembly 100 are fixed in equipment, simple and convenient, wherein closed when the setting of plug 112 can effectively prevent equipment not need draining Property, water or other liquid in equipment will not leak out of drain assembly 100.

Wherein, drain assembly 100 further includes fixing piece 106, is the structure of both ends open and inner hollow, fixing piece 106 are arranged between drainage element 102 and plug 112, play the role of accepting drainage element 102 and plug 112, simultaneously because row Water part 102 and reinforcement 104 are generally round tube, outer smooth, it is not easy to which fixed, therefore, the setting of fixing piece 106 can rise Be fixed on the somewhere in equipment to by the drainage element 102 for being arranged with reinforcement 104, as machine pedestal on, play to draining group The effect that part 100 is stored.Wherein, fixing piece 106 can be high voltage bearing plastic part or be high voltage bearing metalwork, certainly, no It is only limitted to this.

As shown in Figures 1 to 4, in one embodiment of the utility model, it is preferable that fixing piece 106 includes: main body 108, one end of main body 108 is plugged in the inside of drainage element 102, and the other end and the plug 112 of main body 108 are detachably connected；Limit Position portion 110, limiting section 110 are arranged on the outer wall of main body 108, and along its circumferentially extending；When one end of main body 108 is plugged into row When the inside of water part 102, limiting section 110 is resisted against on the end face of drainage element 102.

In this embodiment, fixing piece 106 includes main body 108 and limiting section 110, wherein one end of main body 108 is plugged in The inside of drainage element 102, the other end and the plug 112 of main body 108 are detachably connected, relative to the directly stifled row of being located at of plug 112 The interface of one end of water part 102, drainage element 102 and main body 108 is hidden in the inside of drainage element 102, main body 108 and plug 112 Interface be hidden in the inside of main body 108, better tightness, interface is not easy leak；It is additionally provided on the outer wall of main body 108 Limiting section 110, and limiting section 110 is along the circumferentially extending of main body 108, when one end of main body 108 is plugged into the inside of drainage element 102 When, limiting section 110 is resisted against on the end face of drainage element 102, play prevent main body 108 due to Rig up error or due to loosening and It is all introduced into drainage element 102.

As shown in Figures 1 to 4, in one embodiment of the utility model, it is preferable that drain assembly 100 further include: spiral shell Cap 114, nut 114 be located in fixing piece 106 and be provided on one end of plug 112, and nut 114 and the outer wall of fixing piece 106 are adopted It is threadedly coupled.

In this embodiment, drain assembly 100 further includes nut 114, and screw thread, spiral shell are provided on the inner sidewall of nut 114 Cap 114 be located in fixing piece 106 and be provided on one end of plug 112, the inner sidewall of nut 114 and the lateral wall of fixing piece 106 Connection is tightened using screw thread, it is seen then that nut 114 plays the role of double insurance, by one end of plug 112 and drainage element 102 Fully wrapped around master further prevents leak on the basis of plug 112, so that the better tightness of drain assembly 100, especially For drain assembly 100 to be mounted in equipment for a long time, it is connected for a long time with equipment, when not needing draining, it is ensured that equipment Internal airtightness, such as drain assembly 100 are applied in the cold tank 200 of water dispenser, when drain assembly 100 be mounted on for a long time it is cold When not disassembled on tank 200, because it is connected with cold tank 200, water is full of in cold tank 200 for a long time, there is the dual guarantor of nut 114 Shield effect, can further prevent cold 200 leak of tank.

As shown in Figures 1 to 4, in one embodiment of the utility model, it is preferable that drain assembly 100 further include: tight Firmware, fastener are cyclic structure, and fastener is set in the outside of reinforcement 104, and the quantity of fastener is two, that is, include the One fastener 116 and the second fastener 118.

In this embodiment, drain assembly 100 further includes fastener, and fastener is cyclic structure, and fastener is set in increasing The outside of strong part 104 guarantees that reinforcement 104 is securely fixed in the outside of drainage element 102, prevents 104 play of reinforcement.Fastening The quantity of part is two, wherein the position that drainage element 102 is connected with the water pipe of other equipment is arranged in the first fastener 116, Water pipe i.e. in equipment can be plugged in the inside of drainage element 102, and the outer cover of drainage element 102 is equipped with reinforcement 104, the first fastening Part 116 is set in the outside of this three root canal, so that three connects closer, further prevents leak；Second fastener 118 is set It sets at the position that drainage element 102 is matched with fixing piece 106, i.e. the main body 108 of fixing piece 106 is plugged in the interior of drainage element 102 Portion, reinforcement 104 are set in the outside of drainage element 102, and the second fastener 118 is set in the outside of three components, so that three Cooperate even closer, can equally effectively prevent leak.Certainly, the quantity of fastener and position are not limited only to this.

In one embodiment of the utility model, it is preferable that fastener is the tight band fastener of nylon；Or fastener is Elastic force circlip fastener.

In this embodiment, fastener is the tight band fastener of nylon or fastener is elastic force circlip fastener, can Drainage element 102, reinforcement 104 or drainage element 102, reinforcement 104 and other component are rigidly secured together, prevented Play occurs each other.For fastener be the tight band of nylon, tightness is adjustable, apply it is more convenient, And cost is relatively low.Be elastic force circlip for fastener, to the tightening force of drainage element 102, reinforcement 104 and other component compared with Greatly, facilitate the close connection of each component, and the elasticity of elastic force circlip is preferably, it is not easy to damage.

In one embodiment of the utility model, it is preferable that reinforcement 104 is polyvinyl chloride glass fiber reinforcement part.

In this embodiment, reinforcement 104 is polyvinyl chloride glass fiber reinforcement part, that is, is commonly called as cotton varnished sleeve, intensity It is all preferable with toughness, biggish pressure can be born, therefore, the outside of drainage element 102 is set in, can play and effectively prevent draining The effect that part 102 bursts.

In one embodiment of the utility model, it is preferable that drainage element 102 and fixing piece 106 are interference fitted, and are prevented solid The main body 108 for determining part 106 is backing out from the inside of drainage element 102, guarantees the leakproofness of the two junction.

In one embodiment of the utility model, it is preferable that plug 112 and fixing piece 106 are interference fitted, and prevent plug 112 is backing out from 108 inside of main body of fixing piece 106, guarantees the leakproofness of the two junction.

Second aspect according to the present utility model proposes a kind of cold tank 200, comprising: row described in any of the above-described embodiment Water assembly 100.

Therefore cold tank 200 provided by the utility model has including drain assembly 100 described in any of the above-described embodiment Whole beneficial effects of the drain assembly 100, details are not described herein.

As shown in Figure 3 and Figure 4, in one embodiment of the utility model, it is preferable that cold tank 200 further include: cylinder 202, cylinder 202 is the structure of inner hollow；Water inlet pipe 204 is arranged on cylinder 202；Outlet pipe 206 is arranged in cylinder 202 On；Drainpipe 208, the setting of drainpipe 208 are connected on cylinder 202, and with cylinder 202；Wherein, drainpipe 208 is plugged in The inside of the drainage element 102 of drain assembly 100；The outside of drainpipe 208 is arranged in fixed plate 210.When cold tank 200 drains, row Water pipe 208 can block to set by fixed plate 210 fixes somewhere, helps drainpipe 208 without people, or work as drainpipe 208 It when falling short of, needs to connect other pipelines, when drainpipe 208 is plugged into other pipelines, fixed plate 210 can be along level side To other pipelines are passed through, so that drainpipe 208 steadily links together with other pipelines, fixed plate 210 is managed with other Road is interference fitted at cooperation, further prevents leak.

In this embodiment, cold tank 200 is applied in the equipment such as water dispenser, and the outer wall of 202 lower part of cylinder, which is also wound with, to be changed Hot device, for the hydrothermal exchange with 202 lower part of cylinder, so that cold water area is formed at 202 lower part of cylinder, top is room temperature pool, cold Tank 200 supplements water into cylinder by water inlet pipe 204, and the cold water in cold tank is delivered to going out for water dispenser by outlet pipe 206 At the mouth of a river.Cold tank 200 further includes cylinder 202 and drainpipe 208, wherein drainpipe 208 be arranged on cylinder 202, and with cylinder Body 202 is connected, and drainpipe 208 is plugged in the inside of the drainage element 102 of drain assembly 100, realizes cold tank 200 and draining group Part 100 is connected, and specifically, also the outside at 102 place of matching of drainage element can be provided with fastener in drainpipe 208, protects The stability and airtightness of both cards connection, realize the assembling of drain assembly 100 Yu cold tank 200, it is preferable that drain assembly 100 can be installed on cold tank 200.It needs to drain after the cylinder 202 of cold tank 200 cleans or cold tank 200 does not use When cylinder 202 when its internal water need to be discharged, the fixing piece 106 on drain assembly 100 is fixed somewhere, successively opening The nut 114 and plug 112 of drain assembly 100, are normally drained, can be by plug 112 and spiral shell after draining After cap 114 successively installs, drain assembly 100 is removed from certain bearing, is set by the card of fixing piece 106 of drain assembly 100 The storage to drain assembly 100 is completed in somewhere on water dispenser.

In the present invention, term " multiple " then refers to two or more, unless otherwise restricted clearly.Term The terms such as " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection, It can be and be detachably connected, or be integrally connected；" connected " can be directly connected, and can also pass through the indirect phase of intermediary Even.For the ordinary skill in the art, it can understand above-mentioned term in the present invention as the case may be Concrete meaning.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiment or examples In can be combined in any suitable manner.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of drain assembly, which is characterized in that the drain assembly includes:

Drainage element is the structure of both ends open and inner hollow；

The outside of the drainage element is arranged in reinforcement；

Plug, the one end of the plug directly or indirectly with the drainage element are detachably connected.

2. drain assembly according to claim 1, which is characterized in that the drain assembly further include:

Fixing piece, is the structure of both ends open and inner hollow, and the fixing piece is arranged in the drainage element and the plug Between, the plug covers the open at one end of the fixing piece.

3. drain assembly according to claim 2, which is characterized in that the fixing piece includes:

Main body, one end of the main body are plugged in the inside of the drainage element, and the other end of the main body and the plug are removable Unload connection；

Limiting section, the limiting section are arranged on the outer wall of the main body, and along its circumferentially extending；

When one end of the main body is plugged into the inside of the drainage element, the limiting section support leans against the end face of the drainage element On.

4. drain assembly according to claim 2, which is characterized in that the drain assembly further include:

Nut, the nut be located in the fixing piece and be provided on one end of the plug, the nut and the fixing piece Outer wall using be threadedly coupled.

5. drain assembly according to any one of claim 1 to 4, which is characterized in that the drain assembly further include:

Fastener, the fastener are cyclic structure, and the fastener is set in the outside of the reinforcement, the fastener Quantity is at least one.

6. drain assembly according to claim 5, which is characterized in that

The fastener is the tight band fastener of nylon；Or

The fastener is elastic force circlip fastener.

7. drain assembly according to any one of claim 1 to 4, which is characterized in that

The reinforcement is polyvinyl chloride glass fiber reinforcement part.

8. drain assembly according to any one of claim 2 to 4, which is characterized in that

The drainage element and the fixing piece are interference fitted；

The plug and the fixing piece are interference fitted.

9. a kind of cold tank characterized by comprising such as drain assembly described in any item of the claim 1 to 8.

10. cold tank according to claim 9, which is characterized in that the cold tank further include:

Cylinder, the cylinder are the structure of inner hollow；

Drainpipe, the drainpipe setting are connected on the cylinder, and with the cylinder；

Wherein, the drainpipe is plugged in the inside of the drainage element of the drain assembly.