CN202793154U - Heat exchange joint and heat exchange device - Google Patents
Heat exchange joint and heat exchange device Download PDFInfo
- Publication number
- CN202793154U CN202793154U CN 201220408789 CN201220408789U CN202793154U CN 202793154 U CN202793154 U CN 202793154U CN 201220408789 CN201220408789 CN 201220408789 CN 201220408789 U CN201220408789 U CN 201220408789U CN 202793154 U CN202793154 U CN 202793154U
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- heat exchange
- main body
- pipe main
- endless tube
- interior endless
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Abstract
The utility model discloses a heat exchange joint and a heat exchange device. The heat exchange joint is provided with a main round tube body, an inner circular tube and a liquid outlet through hole, wherein the external diameter of the inner circular tube is matched with the internal diameter of the main round tube body; the length of the inner circular tube is shorter than the length of the main circular tube body; the inner circular tube is fixedly arranged on the inner wall surface of the main circular tube body; and the liquid outlet through hole is arranged on in the main round tube body and is communicated with the main round tube body. The heat exchange device is provided with the heat exchange joint, an inner tube and an outer tube, wherein the external diameter of the inner tube is equal to the internal diameter of the inner circular tube; the inner tube is penetrated arranged in the main round tube body in a penetrating manner and is fixedly assembled with the inner circular tube; and the outer tube is assembled on one end of the main round tube body, which is near the liquid outlet through hole. According to the utility model, the phenomenon that fresh liquid and waste liquid are mixed can be avoided, and the heat exchange joint has the advantages of simple structure, convenience in assembling and disassembling and small volumesize.
Description
Technical field
The utility model relates to the Medical Devices technical field, particularly relates to a kind of heat exchange joint and heat-exchange device.
Background technology
In order effectively to utilize heat, economize on resources, usually adopt heat-exchange device.When carrying out haemodialysis, in order to utilize the heat of waste liquid, usually adopt heat exchange joint and inner tube, outer tube assembling to consist of heat-exchange device, in order to make the liquid in the inner and outer tubes carry out exchange heat.
In the prior art, the heat exchange joint adopts the rigid plastics structure more, staged circular hole nested inside and outside two is set in the joint, the small-bore larger aperture is dark, a through hole is set respectively in the side in two apertures is used for the liquid outflow, adopt two connecting rods to pass respectively the heat exchange joint between the joint and fix by nut again.
This heat exchange joint volume of the prior art is large, and dismounting is inconvenient.And because close together between the inner and outer tubes, so when carrying out heat exchange, inevitably the phenomenon that fresh liquid is mixed with waste liquid can appear, thus cause fresh liquid to be polluted, can't satisfy the dialysis hygienic requirements.
Therefore, not enough for prior art, provide a kind of volume heat exchange joint and heat-exchange device little, easy to assembly, that can avoid fresh liquid to mix with waste liquid very necessary to overcome the prior art deficiency.
Summary of the invention
The purpose of this utility model is to avoid the deficiencies in the prior art part and a kind of heat exchange joint and heat-exchange device is provided, and this heat exchange joint and heat-exchange device volume are little, easy to assembly and can avoid fresh liquid to mix with waste liquid.
The purpose of this utility model realizes by following technical measures.
A kind of heat exchange joint, be provided with pipe main body, interior endless tube and go out fluid through-hole, the internal diameter of the external diameter of described interior endless tube and described pipe main body is complementary, the length that is shorter in length than described pipe main body of described interior endless tube, described interior endless tube is fixedly installed on the internal face of described pipe main body, describedly goes out fluid through-hole and is arranged at described pipe main body and is communicated with described pipe main body.
Above-mentioned pipe main body and described interior endless tube are set to integrated formed structure.
Above-mentionedly go out fluid through-hole and described pipe main body is set to integrated formed structure.
Above-mentioned heat exchange joint also is provided with fixture, described fixture be assemblied in described pipe main body away from a described end that goes out fluid through-hole.
Above-mentioned fixture with screw thread or buckle mode be assemblied in described pipe main body away from a described end that goes out fluid through-hole.
Above-mentioned fixture is set to hollow nut, the internal diameter of described hollow nut equates with the internal diameter of described interior endless tube, described pipe main body is provided with screw channel away from the described internal face that goes out an end of fluid through-hole, described hollow nut and the assembling of described screw channel, the end of described hollow nut and described interior endless tube butt.
Above-mentioned heat exchange joint also is provided with sealing ring, and described sealing ring is assemblied in described interior endless tube one end, the end of described hollow nut and described sealing ring butt.
The end of above-mentioned interior endless tube is provided with assembling groove, and described sealing ring is assemblied in described assembling groove.
A kind of heat-exchange device, has above-mentioned heat exchange joint, also be provided with inner and outer tubes, the external diameter of described inner tube equates with the internal diameter of described interior endless tube, described inner tube be arranged in described pipe main body and with the fixing assembling of described interior endless tube, described outer tube is assemblied in a close described end that goes out fluid through-hole of described pipe main body.
Above-mentioned heat exchange joint also is provided with fixture and sealing ring;
Described fixture is set to hollow nut, and the internal diameter of described hollow nut equates with the internal diameter of described interior endless tube, and described pipe main body is provided with screw channel, described hollow nut and the assembling of described screw channel away from the described internal face that goes out an end of fluid through-hole;
The end of described interior endless tube is provided with assembling groove, and described sealing ring is assemblied in described assembling groove;
Described hollow nut is sheathed on described inner tube, described hollow nut and described screw channel coupling, the end of described hollow nut and described sealing ring butt.
A kind of heat exchange joint of the present utility model, be provided with pipe main body, interior endless tube and go out fluid through-hole, the internal diameter of the external diameter of described interior endless tube and described pipe main body is complementary, the length that is shorter in length than described pipe main body of described interior endless tube, described interior endless tube is fixedly installed on the internal face of described pipe main body, describedly goes out fluid through-hole and is arranged at described pipe main body and is communicated with described pipe main body.Can inner tube be assemblied in the pipe main body by interior endless tube, with outer tube be loaded on the pipe main body near going out fluid through-hole one end, the liquid of outer tube flows out by going out fluid through-hole during heat exchange, adopt this heat exchange joint, inner tube is sheathed on outer tube, the generation of fresh liquid and waste liquid mixing phenomena in the time of can stopping heat exchange, and this heat exchange joint design is simple, easy accessibility.
A kind of heat-exchange device of the present utility model, has above-mentioned heat exchange joint, also be provided with inner and outer tubes, the external diameter of described inner tube equates with the internal diameter of described interior endless tube, described inner tube be arranged in described pipe main body and with the fixing assembling of described interior endless tube, described outer tube is assemblied in a close described end that goes out fluid through-hole of described pipe main body.This heat-exchange device is assemblied in the pipe main body by interior endless tube with inner tube, with outer tube be loaded on the pipe main body near going out fluid through-hole one end, the liquid of outer tube flows out by going out fluid through-hole during heat exchange, adopt this heat exchange joint, inner tube is sheathed on outer tube, the generation of fresh liquid and waste liquid mixing phenomena in the time of can stopping heat exchange, and this heat exchange joint design is simple, easy accessibility.
Description of drawings
Utilize accompanying drawing that the utility model is further described, but the content in the accompanying drawing does not consist of any restriction of the present utility model.
Fig. 1 is the structural representation of a kind of heat exchange joint of the utility model;
Fig. 2 is this Fig. 1 " A-A " cutaway view;
Fig. 3 is the decomposing schematic representation of Fig. 1;
Fig. 4 is " B-B " cutaway view of the pipe main part among Fig. 3;
Fig. 5 is the structural representation of a kind of heat-exchange device of the utility model.
In Fig. 1 to Fig. 5, comprising:
Pipe main body 100,
Screw channel 110,
Interior endless tube 200,
Go out fluid through-hole 300,
Inner tube 600,
Outer tube 700,
The inside diameter D of pipe main body,
The internal diameter H of interior endless tube,
The length L of interior endless tube,
The internal diameter W of hollow nut,
The length M of pipe main body.
The specific embodiment
With the following Examples the utility model is further described.
Embodiment 1.
A kind of heat exchange joint, as shown in Figures 1 to 4, be provided with pipe main body 100, interior endless tube 200 and go out fluid through-hole 300, the inside diameter D of the external diameter of interior endless tube 200 and pipe main body 100 is complementary, the length L of interior endless tube 200 is shorter than the length M of pipe main body 100, interior endless tube 200 is fixedly installed on the internal face of pipe main body 100, goes out fluid through-hole 300 and is arranged at pipe main body 100 and is communicated with pipe main body 100.
During use, heat exchange joint and outer tube 700, inner tube 600 assemblings are used, be the outer tube 700 pipe main body 100 that is assemblied in the heat exchange joint closely go out fluid through-hole 300 1 ends, inner tube 600 be sheathed on interior endless tube 200 and with the internal face close contact of interior endless tube 200, the internal diameter H of interior endless tube 200 equates with the external diameter of inner tube 600, when inner tube 600 is sheathed on interior endless tube 200, inner tube 600 and interior endless tube 200 sealing assemblings, inner tube 600 is longer than outer tube 700 simultaneously.Use this heat exchange joint, what be used is the inner tube 600 that length is longer than outer tube 700, like this during heat exchange, the assembling position of pipe main body 100, interior endless tube 200 and inner tube 600 is sealing state, liquid in the outer tube 700 carries out can only discharging by going out fluid through-hole 300 after the heat exchange, thereby phenomenon of osmosis do not occur between the liquid and can not enter inner tube 600 can effectively avoid heat exchange the time, guarantee that new liquid can not mix with waste liquid in the dialysis procedure.
For easy processing, improve sealing effectiveness, pipe main body 100 preferably is set to integrated formed structure with interior endless tube 200, goes out fluid through-hole 300 and is set to integrated formed structure with pipe main body 100.
In order to realize better assembling location, this heat exchange joint also is provided with fixture, fixture be assemblied in pipe main body 100 away from an end that goes out fluid through-hole 300, in order to inner tube 600 and pipe main body 100 are effectively fixed.
Fixture is set to hollow nut 400, the internal diameter W of hollow nut 400 equates with the internal diameter H of interior endless tube 200, pipe main body 100 is provided with screw channel 110 away from the internal face of an end that goes out fluid through-hole 300, hollow nut 400 and screw channel 110 assemblings, the end of hollow nut 400 and interior endless tube 200 butts.After inner tube 600 is assemblied in interior endless tube 200, for inner tube 600 is better located, by hollow nut 400 and screw channel 110 are screwed to the end of hollow nut 400 and an end butt of interior endless tube 200.Because the internal diameter W of hollow nut 400 equates with the internal diameter H of interior endless tube 200, hollow nut 400 is when screwing an end of close interior endless tube 200 like this, the internal diameter W of hollow nut 400 also overlaps and inner tube 600 outside wall surface gradually, thereby realizes the effective location of inner tube 600 with the heat exchange joint.
In order to realize better sealing, this heat exchange joint also is provided with sealing ring 500, and sealing ring 500 is assemblied in an end of interior endless tube 200, the end of hollow nut 400 and sealing ring 500 butts.Accordingly, the end of interior endless tube 200 is provided with assembling groove, and sealing ring 500 is assemblied in assembling groove.The setting of sealing ring 500 on the one hand so that sealing effectiveness is better, because sealing ring 500 is elastic component, is conducive to assembling on the other hand.
Need to prove that the mode of fixture assembling is a lot, can be Screw assembly, also can be snap-fitted or other assembling modes.The assembling mode away from an end that goes out fluid through-hole 300 that fixture is assemblied in pipe main body 100 is techniques well known, does not repeat them here.
This heat exchange joint, the generation of fresh liquid and waste liquid mixing phenomena in the time of can stopping heat exchange, and this heat exchange joint design is simple, easy accessibility, and volume is little, and is with low cost.
Embodiment 2.
A kind of heat-exchange device, as shown in Figure 5, adopt above-mentioned heat exchange joint, the heat exchange joint is provided with pipe main body 100, interior endless tube 200 and goes out fluid through-hole 300, the inside diameter D of the external diameter of interior endless tube 200 and pipe main body 100 is complementary, the length L of interior endless tube 200 is shorter than the length M of pipe main body 100, and interior endless tube 200 is fixedly installed on the internal face of pipe main body 100, goes out fluid through-hole 300 and is arranged at pipe main body 100 and is communicated with pipe main body 100.This heat-exchange device also includes inner tube 600 and outer tube 700, the external diameter of inner tube 600 equates with the internal diameter H of interior endless tube 200, inner tube 600 be arranged in pipe main body 100 and with the 200 fixing assemblings of interior endless tube, outer tube 700 be assemblied in pipe main body 100 near an end that goes out fluid through-hole 300.
This heat-exchange device, outer tube 700 be assemblied in the heat exchange joint pipe main body 100 closely go out fluid through-hole 300 1 ends, inner tube 600 be sheathed on interior endless tube 200 and with the internal face close contact of interior endless tube 200, the internal diameter H of interior endless tube 200 equates with the external diameter of inner tube 600, when inner tube 600 is sheathed on interior endless tube 200, inner tube 600 and interior endless tube 200 sealing assemblings, inner tube 600 is longer than outer tube 700 simultaneously.Because what use with heat exchange joint assembling is the inner tube 600 that length is longer than outer tube 700, like this during heat exchange, the assembling position of pipe main body 100, interior endless tube 200 and inner tube 600 is sealing state, liquid in the outer tube 700 carries out can only discharging by going out fluid through-hole 300 after the heat exchange, thereby do not occur phenomenon of osmosis and can not enter between the liquid that inner tube 600 can effectively avoid heat exchange, guarantee that new liquid can not mix with waste liquid in the dialysis procedure.
In order to realize better assembling location, this heat exchange joint also is provided with fixture, fixture be assemblied in pipe main body 100 away from an end that goes out fluid through-hole 300, in order to inner tube 600 and pipe main body 100 are effectively fixed.
Fixture is set to hollow nut 400, the internal diameter W of hollow nut 400 equates with the internal diameter H of interior endless tube 200, pipe main body 100 is provided with screw channel 110 away from the internal face of an end that goes out fluid through-hole 300, hollow nut 400 and screw channel 110 assemblings, the end of hollow nut 400 and interior endless tube 200 butts.After inner tube 600 is assemblied in interior endless tube 200, for inner tube 600 is better located, by hollow nut 400 and screw channel 110 being screwed the end butt to hollow nut 400 ends and interior endless tube 200.Because the internal diameter W of hollow nut 400 equates with the internal diameter H of interior endless tube 200, hollow nut 400 is when screwing an end of close interior endless tube 200 like this, the internal diameter W of hollow nut 400 also overlaps and inner tube 600 outside wall surface gradually, thereby realizes effectively fixing inner tube 600 and heat exchange joint.
In order to realize better sealing, the heat exchange joint also is provided with sealing ring 500, and sealing ring 500 is assemblied in interior endless tube 200 1 ends, the end of hollow nut 400 and sealing ring 500 butts.Accordingly, the end of interior endless tube 200 is provided with assembling groove, and sealing ring 500 is assemblied in assembling groove.The setting of sealing ring 500 on the one hand so that sealing effectiveness is better, because sealing ring 500 is elastic component, is conducive to assembling on the other hand.
This heat-exchange device, fresh liquid mixes with waste liquid in the time of can avoiding heat exchange, and this have simple in structure, easy accessibility, volume is little, characteristics with low cost.
Should be noted that at last; above embodiment is only in order to the technical solution of the utility model to be described but not to the restriction of the utility model protection domain; although with reference to preferred embodiment the utility model has been done detailed description; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from essence and the scope of technical solutions of the utility model.
Claims (10)
1. heat exchange joint, it is characterized in that: be provided with pipe main body, interior endless tube and go out fluid through-hole, the internal diameter of the external diameter of described interior endless tube and described pipe main body is complementary, the length that is shorter in length than described pipe main body of described interior endless tube, described interior endless tube is fixedly installed on the internal face of described pipe main body, describedly goes out fluid through-hole and is arranged at described pipe main body and is communicated with described pipe main body.
2. heat exchange joint according to claim 1, it is characterized in that: described pipe main body and described interior endless tube are set to integrated formed structure.
3. heat exchange joint according to claim 1 and 2 is characterized in that: describedly go out fluid through-hole and described pipe main body is set to integrated formed structure.
4. heat exchange joint according to claim 1 is characterized in that: also be provided with fixture, described fixture be assemblied in described pipe main body away from a described end that goes out fluid through-hole.
5. heat exchange joint according to claim 4 is characterized in that: described fixture with screw thread or buckle mode be assemblied in described pipe main body away from a described end that goes out fluid through-hole.
6. heat exchange joint according to claim 5, it is characterized in that: described fixture is set to hollow nut, the internal diameter of described hollow nut equates with the internal diameter of described interior endless tube, described pipe main body is provided with screw channel away from the described internal face that goes out an end of fluid through-hole, described hollow nut and the assembling of described screw channel, the end of described hollow nut and described interior endless tube butt.
7. heat exchange joint according to claim 6, it is characterized in that: also be provided with sealing ring, described sealing ring is assemblied in described interior endless tube one end, the end of described hollow nut and described sealing ring butt.
8. heat exchange joint according to claim 7, it is characterized in that: the end of described interior endless tube is provided with assembling groove, and described sealing ring is assemblied in described assembling groove.
9. heat-exchange device, it is characterized in that: have heat exchange joint claimed in claim 1, also be provided with inner and outer tubes, the external diameter of described inner tube equates with the internal diameter of described interior endless tube, described inner tube be arranged in described pipe main body and with the fixing assembling of described interior endless tube, described outer tube is assemblied in a close described end that goes out fluid through-hole of described pipe main body.
10. heat-exchange device according to claim 9 is characterized in that:
Described heat exchange joint also is provided with fixture and sealing ring,
Described fixture is set to hollow nut, and the internal diameter of described hollow nut equates with the internal diameter of described interior endless tube, and described pipe main body is provided with screw channel, described hollow nut and the assembling of described screw channel away from the described internal face that goes out an end of fluid through-hole;
The end of described interior endless tube is provided with assembling groove, and described sealing ring is assemblied in described assembling groove;
Described hollow nut is sheathed on described inner tube, described hollow nut and described screw channel coupling, the end of described hollow nut and described sealing ring butt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220408789 CN202793154U (en) | 2012-08-17 | 2012-08-17 | Heat exchange joint and heat exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220408789 CN202793154U (en) | 2012-08-17 | 2012-08-17 | Heat exchange joint and heat exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202793154U true CN202793154U (en) | 2013-03-13 |
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ID=47820405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220408789 Expired - Fee Related CN202793154U (en) | 2012-08-17 | 2012-08-17 | Heat exchange joint and heat exchange device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202793154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853711A (en) * | 2012-08-17 | 2013-01-02 | 贝恩医疗设备(广州)有限公司 | Heat exchange joint and heat exchange device |
-
2012
- 2012-08-17 CN CN 201220408789 patent/CN202793154U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853711A (en) * | 2012-08-17 | 2013-01-02 | 贝恩医疗设备(广州)有限公司 | Heat exchange joint and heat exchange device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20170817 |