CN203248872U - Metal tube assembly of heavy calibre radiator - Google Patents
Metal tube assembly of heavy calibre radiator Download PDFInfo
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- CN203248872U CN203248872U CN 201320293671 CN201320293671U CN203248872U CN 203248872 U CN203248872 U CN 203248872U CN 201320293671 CN201320293671 CN 201320293671 CN 201320293671 U CN201320293671 U CN 201320293671U CN 203248872 U CN203248872 U CN 203248872U
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Abstract
The utility model discloses a metal tube assembly of a heavy calibre radiator, which mainly comprises a metal tube body, a different-diameter rubber hose, a sealed injection molding ring and a tube support. The manufacturing technique of the metal tube assembly comprises the following steps: selecting a sizing material of the different-diameter rubber hose according to component, mixing the sizing material, extruding a rubber layer of an inner tube, extruding a rubber layer of an outer tube after knitting an enhancement layer of single, obtaining the different-diameter rubber hose after vulcanizing a semi-finished rubber tube, stamping, molding, sealing and butting the metal tube body and the different-diameter rubber hose, welding the tube support, and obtaining the metal tube assembly. The metal tube assembly of the heavy calibre radiator is simple in technique, easy to assemble, stable in sizes of the inner and outer diameters and strong in loading capacity, is rigid and flexible, has the performances of high temperature resistance, hot oil resistance and aging resistance, and can meet the demand of heat dissipation and assembling of an air intake system of a nano engineering machinery vehicle model.
Description
Technical field
The utility model relates to engineering machinery accessory field, particularly by metal tube and rubber pipe two kinds of equipped a kind of radiator tubes of unlike material combination, specifically a kind of heavy caliber metal pipe for radiator assemblies.
Background technique
Engineering machinery is to substitute the blue-collar a kind of facility of people, and its development is accompanied by the progress of industrial technology, is also promoting the progress of human civilization.Engineering machinery belongs to building machinery, is special device, mainly comprises earth moving machinery, concreting machinery, loading machine and Hoisting Machinery four large classes.The operation of engineering machinery mainly is to finish by the work of motor, in order to improve the service behaviour of motor, assurance starts function constantly to have best output power, and the various pipe fittings in the motor such as gas-entered passageway, heat dissipating pipe etc. all must satisfy the needs of internal flow velocity of medium.In the prior art, because the inner space of motor is limited, the spatial form of various pipe fittings and move towards complicated, add rubber hose and have low cost of manufacture, high temperature resistant, heat resistant oils and ageing-resistant characteristic and be easy to moulding, therefore present many pipe fittings all adopt rubber hose to substitute, but for bigbore engine radiating organ pipe, in view of its length large, if the complex-shaped rubber material that adopts fully substitutes words, its intensity shows slightly again not, and also may cause the phenomenons such as pipe fitting distortion or inner orifice obstruction in the use of jolting for a long time.So reasonably design bigbore radiator tube, can guarantee its quality and performance in use, satisfy the usage requirement of engineering machinery engine.
Summary of the invention
Technical problem to be solved in the utility model is for above-mentioned prior art present situation, and provide high temperature resistant, ageing-resistant, bearing capacity is strong and a kind of heavy caliber metal pipe for radiator assembly of hard and soft merger.This metal tube assembly production technology is simple, low cost of manufacture, easy to install, can satisfy the assembling demand that section's engineering machinery series vehicle gas handling system cools off of receiving.
The utility model solves the problems of the technologies described above the technological scheme that adopts: a kind of heavy caliber metal pipe for radiator assembly, comprise metal tube, metal tube forms five space sections of trend at least, and the intersegmental rounding off section that all is connected with arc is moved towards in two adjacent spaces, the front end of metal tube is shaped with the connection male, the tail end muzzle of metal tube is connected with the reducing rubber hose in succession, and the outer circumferential face that this reducing rubber hose links to each other with the tail end mouth is surrounded with sealing injection moulding ring; Fixing mutually assembly consists of a kind of heavy caliber heat radiation body with complex space form to the reducing rubber hose with metal tube, is welded with pipe holder on the metal tube.
For optimizing technique scheme, Adopts measure also comprises:
Above-mentioned metal tube has five space sections of trend and four rounding off sections, the front end of the first space section of trend is shaped with the connection male, the first space section of trend is moved towards the intersegmental first rounding off section that is connected with second space, second space moves towards Duan Yudi three spaces and moves towards the intersegmental second rounding off section that is connected with, the 3rd space is moved towards Duan Yudi four spaces and is moved towards intersegmental the 3rd rounding off section that is connected with, the 4th space is moved towards Duan Yudi five spaces and is moved towards intersegmental the 4th rounding off section that is connected with, and the reducing rubber hose is communicated with the tail end mouth in the 5th space section of trend.
All be welded with pipe holder on the outer circumferential face of the above-mentioned second space section of trend, the 3rd space section of trend and the 4th space section of trend.
The two ends of above-mentioned reducing rubber hose all have the hole enlargement termination that hole enlargement forms.
Above-mentioned reducing rubber hose comprises inner tube rubber layer, fibre threads enhancement layer and outer tube rubber layer from inside to outside successively, and the fibre threads enhancement layer is the aramid line layer that knitting machine is weaved at the inner tube rubber layer.
Compared with prior art, the utility model adopts the pressing mold Shooting Technique that the metal tube of rigidity and flexible reducing rubber hose combination are fitted to heat dissipation pipe's assembly that one has consisted of a kind of bigbore engine aspirating system, not only satisfy the rigidity requirement of such heat dissipating pipe, had simultaneously the flexibility of rubber pipe concurrently.Metal tube and reducing rubber hose are combined into the pipe structure with complex space form, namely guaranteed the good fluidity of body inner fluid medium, also make simultaneously the whole assembly space of motor more reasonable, reduced traditional tubing coupling many, the problem that sealing is poor, greatly improve the assembling speed of complete machine, saved people's working time.The utility model technique is simple, easy to manufacture and with low cost, have high temperature resistant, heat resistant oils, ageing-resistant and strong characteristics of the capability of antidetonance can satisfy the demand of engine radiating.
Description of drawings
Fig. 1 is the utility model embodiment's three-dimensional assembling structure schematic diagram;
Fig. 2 is reducing rubber hose section sectional structure chart among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is to Figure 2 shows that structural representation of the present utility model.
Reference character wherein is: the space section of trend A, the the first space section of trend A1, the second space section of trend A2, the 3rd space section of trend A3, the 4th space section of trend A4, the 5th space section of trend A5, rounding off section B, the first rounding off section B1, the second rounding off section B2, the 3rd rounding off section B3, the 4th rounding off section B4, metal tube 1, connect male 11, reducing rubber hose 2, inner tube rubber layer 2a, fibre threads enhancement layer 2b, outer tube rubber layer 2c, hole enlargement termination 21, sealing injection moulding ring 3, pipe holder 4.
Extremely shown in Figure 2 such as Fig. 1, a kind of heavy caliber metal pipe for radiator assembly of the present utility model, comprise metal tube 1, metal tube 1 forms five the space section of trend A at least, and all be connected with the rounding off section B of arc between the two adjacent space section of trend A, the front end of metal tube 1 is shaped with and connects male 11, the tail end muzzle of metal tube 1 is connected with reducing rubber hose 2 in succession, the outer circumferential face that this reducing rubber hose 2 links to each other with the tail end mouth is surrounded with sealing injection moulding ring 3,1 fixing mutually assembly consists of a kind of heavy caliber heat radiation body with complex space form to reducing rubber hose 2 with metal tube, is welded with pipe holder 4 on the metal tube 1.The utility model is to be applied to receive a kind of heat dissipation pipe of engineering machinery series vehicle gas handling system in section's engineering machinery, such heat dissipation pipe has and adopts metal tube or rubber pipe fully in the conventional art, although adopt the metal tube perfect heat-dissipating fully, but manufacture cost is high, connection sealing is poor between pipe fitting, particularly phenomenon of rupture easily occurs in the use of jolting for a long time.Although and adopt the rubber pipe advantage a lot of fully, rigidity is not enough again, particularly easily interferes friction because of vibration and other pipe fitting when body is longer, causes the wearing and tearing of body.The utility model is fixedly linked the metal tube 1 of rigidity and flexible rear the sealing by plastic injection of reducing rubber hose 2 assemblings, guaranteed the sealing of the two connection, make simultaneously the hard and soft merger of this product not only satisfy the installation requirements of engineering machinery vehicle complex space, guaranteed again the working life of product.The utility model assembling is easily, and is easy for installation, and inside/outside diameter size is stable, have high temperature resistant, heat resistant oils, the ageing-resistant and strong characteristics of the capability of antidetonance can satisfy the demand of engine radiating.
Among the embodiment as shown in Figure 1, metal tube 1 coforming has five the space section of trend A and four shorter rounding off section B with certain-length, the front end of the first space section of trend A1 is shaped with and connects male 11, be connected with the first rounding off section B1 between the first space section of trend A1 and the second space section of trend A2, be connected with the second rounding off section B2 between the second space section of trend A2 and the 3rd space section of trend A3, be connected with the 3rd rounding off section B3 between the 3rd space section of trend A3 and the 4th space section of trend A4, be connected with the 4th rounding off section B4 between the 4th space section of trend A4 and the 5th space section of trend A5, the tail end mouth that above-mentioned reducing rubber hose 2 is communicated with at the 5th space section of trend A5.Each the space section of trend A all has different shape and the length moved towards, and it is more smooth and easy that rounding off section B then makes the two adjacent space section of trend A transition connect, to guarantee to reduce the resistance that the tube wall convection cell causes.
Because the length of this product is large and spatial shape is complicated, in the stable embodiment who improves body, all is welded with pipe holder 4 on the outer circumferential face of the second space section of trend A2, the 3rd space section of trend A3 and the 4th space section of trend A4.
The two ends of reducing rubber hose 2 of the present utility model all have the hole enlargement termination 21 that hole enlargement forms among the embodiment.Hole enlargement termination 21 can guarantee that body connects the conformity of rear internal diameter size, has avoided the defective that the variation of bore brings in the joint.
As shown in Figure 2, reducing rubber hose 2 of the present utility model comprises inner tube rubber layer 2a, fibre threads enhancement layer 2b and outer tube rubber layer 2c from inside to outside successively, and fibre threads enhancement layer 2b is the aramid line layer that knitting machine is weaved at inner tube rubber layer 2a.Fibre threads enhancement layer 2b of the present utility model is the aramid line layer.Adopting this material as enhancement layer, is the characteristic that intensity is high, elongation percentage is little, the pulse performance is good of giving full play to aramid line, can make the bearing strength of water pipe of gas handling system higher.
The utility model also provides a kind of production technology of heavy caliber metal pipe for radiator assembly, and this technique comprises the following steps: successively
A), choose the sizing material of reducing rubber hose inner tube rubber layer and outer tube rubber layer by following component, described inner tube rubber layer and outer tube rubber layer as follows as unit of measurement constitute component with weight portion:
Nitrile butadiene rubber 50 weight portions
Neoprene 50 weight portions
Sulphur semi-annular jade pendant vulcanzing agent 4.8 weight portions
Crosslinking agent TAIC 2.2 weight portions
Reinforcing agent 550 55 weight portions
Reinforcing agent 660 34 weight portions
Plasticizing agent 2,250 12 weight portions
Adhesive A 5 weight portions
Add up to: 217 weight portions
B), the sizing material of said components is sent into mixer mixing, and the sizing material after mixing is carried out fast seizure test, specify index parameter to control Mooney viscosity, the time of scorch of sizing material;
C), 120 extruders of the glue stuff compounding after the above-mentioned fast inspection being put into straight type head are extruded the inner tube rubber layer, use laser diameter measuring instrument detection size;
D), select knitting machine braided fiber line enhancement layer on the inner tube rubber layer of extruding of 20 pin numbers, obtain half-finished interior pipe, then adopt 90 extruders on half-finished interior pipe, directly to extrude the outer tube rubber layer with T-shaped head, obtain semi-finished product rubber pipe;
E), above-mentioned semi-finished product rubber pipe is cut off, send into sulfurizing pot vulcanization after, obtain the reducing rubber hose through the sebific duct washing;
F), with above-mentioned reducing rubber hose be inserted in sealing injection moulding ring after metal tube docks, adopt mold pressing injection sealing to obtain the heavy caliber heat radiation body of one;
G), on above-mentioned heavy caliber heat radiation body the welded pipe support, after air tightness test, obtain this assembly product.
Sizing material among the above-mentioned step a adopts the method for reverse mixing, adopt the rotor speed of 15RPM～20RPM, the entering water temp of cooling water is controlled at below 20 ℃, plastic emitting temperature after mixing is 50 ℃～70 ℃, can allow filler and auxiliary agent to mix under the mechanism of rotor, vulcanzing agent adds at last in advance.
The head temperature of straight type head is that 75 ℃, the temperature of spout are 50 ℃ among the above-mentioned step c.
The pitch of knitting machine is 3mm-5mm in the above-mentioned steps d, and the head temperature of T-shaped head is that 80 ℃, the temperature of spout are 55 ℃.
The sulfurizing pot vulcanization time is 20 minutes among the above-mentioned step e.
The utility model adopts above-mentioned production technology, has the following advantages:
1, not only production technology is simple, has guaranteed again that the dimension of inner and outer diameters of product is stable simultaneously, good seal performance after the injection of assembly product, and cost is low, quality is high.
2, sizing material adopts the method for reverse mixing to mix, and is to prevent the overheated incipient scorch of sizing material.Can allow filler and auxiliary agent under the mechanism of rotor, to mix in advance, can not cause like this rising of temperature.Sulphur semi-annular jade pendant vulcanzing agent adds at last, is to prolong mixing time to obtain best melting effect.Like this, the sizing material after the banburying just can have good compressive stress release performance, keeps good permeability after the use of process long period in multiple fluid.
3, the sebific duct vulcanization die adopts two ends to attach the names of pre-determined candidates, and die deformation is little, and long service life has reduced the two ends stub bar, has improved manufacturing efficiency, has reduced reject rate, has saved cost.
Claims (5)
1. heavy caliber metal pipe for radiator assembly, comprise metal tube (1), it is characterized in that: described metal tube (1) forms five space sections of trend (A) at least, and all be connected with the rounding off section (B) of arc between two adjacent space sections of trend (A), the front end of described metal tube (1) is shaped with and connects male (11), the tail end muzzle of described metal tube (1) is connected with reducing rubber hose (2) in succession, the outer circumferential face that this reducing rubber hose (2) links to each other with the tail end mouth is surrounded with sealing injection moulding ring (3), fixing mutually assembly consists of a kind of heavy caliber heat radiation body with complex space form to described reducing rubber hose (2) with metal tube (1), is welded with pipe holder (4) on the described metal tube (1).
2. a kind of heavy caliber metal pipe for radiator assembly according to claim 1, it is characterized in that: described metal tube (1) has five space sections of trend (A) and four rounding off sections (B), the front end of described the first space section of trend (A1) is shaped with and connects male (11), be connected with the first rounding off section (B1) between described the first space section of trend (A1) and the second space section of trend (A2), be connected with the second rounding off section (B2) between the described second space section of trend (A2) and the 3rd space section of trend (A3), be connected with the 3rd rounding off section (B3) between described the 3rd space section of trend (A3) and the 4th space section of trend (A4), be connected with the 4th rounding off section (B4) between described the 4th space section of trend (A4) and the 5th space section of trend (A5), described reducing rubber hose (2) is communicated with the tail end mouth in the 5th space section of trend (A5).
3. a kind of heavy caliber metal pipe for radiator assembly according to claim 2 is characterized in that: all be welded with pipe holder (4) on the outer circumferential face of the described second space section of trend (A2), the 3rd space section of trend (A3) and the 4th space section of trend (A4).
4. a kind of heavy caliber metal pipe for radiator assembly according to claim 3 is characterized in that: the two ends of described reducing rubber hose (2) all have the hole enlargement termination (21) that hole enlargement forms.
5. a kind of heavy caliber metal pipe for radiator assembly according to claim 4, it is characterized in that: described reducing rubber hose (2) comprises inner tube rubber layer (2a), fibre threads enhancement layer (2b) and outer tube rubber layer (2c) from inside to outside successively, and described fibre threads enhancement layer (2b) is that knitting machine is at the aramid line layer of inner tube rubber layer (2a) weaving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320293671 CN203248872U (en) | 2013-05-27 | 2013-05-27 | Metal tube assembly of heavy calibre radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320293671 CN203248872U (en) | 2013-05-27 | 2013-05-27 | Metal tube assembly of heavy calibre radiator |
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| Publication Number | Publication Date |
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| CN203248872U true CN203248872U (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320293671 Expired - Fee Related CN203248872U (en) | 2013-05-27 | 2013-05-27 | Metal tube assembly of heavy calibre radiator |
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| CN (1) | CN203248872U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277611A (en) * | 2013-05-27 | 2013-09-04 | 宁波丰茂汽车零部件有限公司 | Heavy-caliber radiator metal tube assembly and manufacturing technique thereof |
-
2013
- 2013-05-27 CN CN 201320293671 patent/CN203248872U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277611A (en) * | 2013-05-27 | 2013-09-04 | 宁波丰茂汽车零部件有限公司 | Heavy-caliber radiator metal tube assembly and manufacturing technique thereof |
| CN103277611B (en) * | 2013-05-27 | 2014-12-31 | 宁波丰茂汽车零部件有限公司 | Heavy-caliber radiator metal tube assembly and manufacturing technique thereof |
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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 |
Granted publication date: 20131023 Termination date: 20160527 |