阅读说明：本技术 油箱加热器 (Fuel tank heater ) 是由 张光旭 于 2018-05-23 设计创作，主要内容包括：一种油箱加热器,属于汽车配件技术领域。本发明的目的是通过对结构重新设计,从而能够有效对低价位标号柴油能够在寒冷季节能够正常使用的油箱加热器。本发明包括加热器头主体、加热器头下壳体、加热器管组、加热器下联接总成。本发明结构设计合理,安装使用方便。集合优化几代加热器,并优化产品性能,重点提高安全可靠性及使用寿命。以油包水原理为开发理念,利用型材整体性能,做到无外接管路、无焊点,避免管路因变形、气孔、应力集中等渗漏问题。(A kind of fuel tank heater, belongs to technical field of automobile accessories.The purpose of the present invention is by being redesigned to structure, so as to can effectively be capable of the fuel tank heater of normal use during the cold season to low price label diesel oil.The present invention includes heater head main body, heater head lower case, heater tube group, heater lower link assembly.Structure of the invention design is rationally, easy to install and use.Set optimization several generations heater, and optimize properties of product, emphasis improves security reliability and service life.Using Water-In-Oil principle as utility strategies, using profile overall performance, accomplish no external pipeline, no-welding-spot, avoids pipeline because of leakage problems such as deformation, stomata, stress concentrations.)

1. a kind of fuel tank heater, it is characterised in that: including heater head main body (1), heater head lower case (2), heater Pipe group (3), heater lower link assembly (4)；

A, heater head main body (1): there is oil return up and down-connection oil return pipe (103) in head body (101), water inlet-connection adds Heat pipe (102) is communicated with water inlet pipe (110), and water outlet-connection heating tube (104) is communicated with outlet pipe (107), and oil suction-connection is inhaled Oil pipe (105) is communicated with fuel sucking pipe (106), and port (113) is communicated with porting (112), has biography on head body (101) Sensor socket box (111), sensor socket box (111) are connect by sensor socket (108) with the external world；On head body (101) It is provided with sensor-head body and crosses Wiring technology hole (114)；

B, heater head lower case (2): having external screw thread-ring flange (201) outside lower case (202), internal in lower case (202) It is provided with water outlet-connection heating tube fabrication hole (205), oil suction-connection fuel sucking pipe fabrication hole (206), water inlet-connection heating tube technique Hole (207), oil return-connection oil return pipe fabrication hole (203), sensor-lower case are crossed Wiring technology hole (208), and corresponding into row Stomata (113) position is provided with intake and exhaust fabrication hole (204)；

C, heater tube group (3): being inlet pipeline (302) and outlet pipeline (304) at pipe group seat (309) both ends, in outer portion It is not cased with the oily heating muff (307) in left side and right side oil heating muff (306), left side oil heating muff (307) and right side oil add Thermal sleeve (306) forms heating lumen (310) between inlet pipeline (302) and outlet pipeline (304) respectively, and in left side, oil adds Thermal sleeve (307) and right side oil heating muff (306) junction have inlet line (305), inlet line (305) and pipe group seat (309), left side oil heating muff (307), right side oil heating muff (306) connecting portion have the oily groove (308) of stream, inlet line (305) two chambers, inlet line (305) cavity of resorption up and down are divided by partition (311) in the middle part of and are provided with oil-through-hole (313), fuel sucking pipe Road (305) lower end inside is provided with internal screw thread (312), and the external screw thread on oil strain mouth (314) is matched with internal screw thread (312), oil strain mouth (314) oilhole (315) are provided on；It is oil return line (303), right side oil heating muff on the outside of left side oil heating muff (307) (306) outside is fuel sensor (301)；

D, lower sealing: lower seal cap (6) has water outlet-connection heating tube to patch to patch into hole (7), water inlet-connection heating tube into hole (5) and oil strain mouth is inserted into hole (8), has oil groove to seal (9) in the side of lower seal cap (6), oil groove seals (9) and heating lumen (310) it matches；

E, heater lower link assembly (4): heater lower link assembly (4) by partition (408) be divided into upper mantle cavity (409) and Lower closing chamber (407), is provided with that water outlet-connection heating tube connects (404) and water inlet-connection heating tube connects on partition (408) (402), water outlet-connection heating tube connects (404) and water inlet-connection heating tube connects (402) and communicates with lower closing chamber (407), is adding Oil strain mouth fabrication hole (401), technology groove-fuel sucking pipe (406) and sensing up and down is provided on hot device lower link assembly (4) Device righting circle (403), technology groove-fuel sucking pipe (406) are communicated with fabrication hole-fuel sucking pipe (405) of side；

F, the connection relationship of heater head lower case (2) and heater tube group (3): external screw thread-ring flange (201) is pacified by screw thread External, water outlet-connection heating tube fabrication hole (205) of lower case (202), oil suction-connection oil suction plumber mounted in lower case (202) Skill hole (206), water inlet-connection heating tube fabrication hole (207), oil return-connection oil return pipe fabrication hole (203), sensor-lower case Cross right side oil heating muff (306), inlet line (305), a left side that Wiring technology hole (208) is set in heater tube group (3) The outside of side oil heating muff (307), oil return line (303), fuel sensor (301)；

G, heater head main body (1), the connection relationship of heater head lower case (2) and heater tube group (3): water inlet-, which couples, to be added Heat pipe (102), water outlet-connection heating tube (104), oil suction-connection fuel sucking pipe (105) and oil return-connection oil return pipe (103) are respectively Across water inlet-connection heating tube fabrication hole (207), water outlet-connection heating tube fabrication hole (205), oil suction-connection fuel sucking pipe technique Hole (206) and oil return-connection oil return pipe fabrication hole (203) are closely inserted in outlet pipeline (304), inlet pipeline (302), fuel sucking pipe In road (305) and oil return line (303), and pass through water inlet-connection heating tube (102), water outlet-connection heating tube (104), suction Oil-connection fuel sucking pipe (105) and oil return-connection oil return pipe (103) root sealing station (116) will heat lumen (310) and block； The connecting line of fuel sensor (301) is crossed in Wiring technology hole (114) and sensor socket box (111) by sensor-head body Binding post connection；The threaded hole on mounting hole (109) and heater tube group (3) in heater head main body (1) is solid by bolt Fixed connection；Intake and exhaust fabrication hole (204) is inserted in port (113)；

H, the connection relationship of heater tube group (3) and lower sealing: oil strain mouth insertion hole (8) is covered in oil strain mouth (308) root, out Water-connection heating tube patch into hole (7), water inlet-connection heating tube patch into hole (5) respectively correspond outlet pipeline (304) and into Water lines (302), oil groove sealing (9) are fully inserted into heating lumen (310) and seal；

I, heater tube group (3) and heater lower link assembly (4) connection relationship: water outlet-couple heating tube connect (404) and into Water-connection heating tube connects (402) and is looked into outlet pipeline (304) and inlet pipeline (302) respectively, and oil strain mouth (308) is inserted in filter In oil nozzle fabrication hole (401), oil return line (303) is inserted in technology groove-fuel sucking pipe (406).

Technical field

The invention belongs to technical field of automobile accessories.

Background technique

At present since economic activity is more frequent, so, highway transportation be always it is indispensable in economic activity, generally Highway transportation be all made of based on large-sized diesel vehicle, in cold district, according to measuring change of diesel oil solidifying point by taking China as an example, diesel oil is divided into Six labels: 5# diesel oil is suitable for temperature use at 8 DEG C or more；0# diesel oil is suitable for temperature to be made at 8 DEG C to 4 DEG C With；- 10# diesel oil is suitable for temperature and uses at 4 DEG C to -5 DEG C；- 20# diesel oil is suitable for temperature at -5 DEG C to -14 DEG C When use；- 35# diesel oil is suitable for temperature and uses at -14 DEG C to -29 DEG C；- 50# diesel oil is suitable for temperature -29 It DEG C uses, also will increase according to tolerance to cold price, but in order to cater to cold degree to -44 DEG C or lower than temperature when, it must The diesel oil of corresponding cold-resistant label must be applied.Accordingly in order to reduce transportation cost, there have been some in opposite cold district Using relatively relatively inexpensive label diesel oil, there have been oil tank heating apparatus, existing oil tank heating apparatus is multifarious, structure It is different, but the influence factor by structure, heating time is longer, and heating effect is less desirable.

Summary of the invention

The purpose of the present invention is by being redesigned to structure, so as to effectively can be cold to low price label diesel oil Cold season energy conservation reaches the fuel tank heater of normal use.

The present invention includes heater head main body, heater head lower case, heater tube group, heater lower link assembly；

A, heater head main body: there are oil return up and down-connection oil return pipe, water inlet-connection heating tube and water inlet pipe in head body It communicates, water outlet-connection heating tube is communicated with outlet pipe, and oil suction-connection fuel sucking pipe is communicated with fuel sucking pipe, port and intake and exhaust Mouth communicates, and has sensor socket box on head body, and sensor socket box is connect by sensor socket with the external world；It is opened on head body There is sensor-head body to cross Wiring technology hole；

B, heater head lower case: having external screw thread-ring flange outside lower case, and water outlet-connection heating is provided with inside lower case Pipe fabrication hole, water inlet-connection heating tube fabrication hole, oil return-connection oil return pipe fabrication hole, passes oil suction-connection fuel sucking pipe fabrication hole Sensor-lower case crosses Wiring technology hole, and corresponding port position is provided with intake and exhaust fabrication hole；

C, heater tube group: being water inlet pipe and water outlet pipe at pipe group seat both ends, is not cased with the oily heating mantle in left side in outer portion Pipe and right side oil heating muff, left side oil heating muff and right side oil heating muff are respectively between water inlet pipe and water outlet pipe Heating lumen is formed, there are inlet line, inlet line and pipe group in oil heating muff and right side oil heating muff junction in left side Seat, left side oil heating muff, right side oil heating muff connecting portion have the oily groove of stream, are divided into the middle part of inlet line by partition Lower two chambers, inlet line cavity of resorption are provided with oil-through-hole, and inlet line lower end inside is provided with internal screw thread, the external screw thread on oil strain mouth with Internal screw thread matches, and is provided with oilhole on oil strain mouth；It is oil return line, right side oil heating muff outside on the outside of the oil heating muff of left side It is fuel sensor；

D, lower sealing: lower seal cap has water outlet-connection heating tube to patch to patch into hole, water inlet-connection heating tube into hole and oil strain Mouth is inserted into hole, has oil groove sealing in the side of lower seal cap, oil groove sealing is matched with heating lumen；

E, heater lower link assembly: heater lower link assembly is divided into upper mantle cavity and lower closing chamber by partition, on partition It is provided with that water outlet-connection heating tube connects and water inlet-connection heating tube connects, water outlet-connection heating tube connects and water inlet-connection heating tube It connects and is communicated with lower closing chamber, oil strain mouth fabrication hole, technology groove-oil suction up and down is provided on heater lower link assembly Pipe and sensor righting circle, technology groove-fuel sucking pipe are communicated with fabrication hole-fuel sucking pipe of side；

F, the connection relationship of heater head lower case and heater tube group: external screw thread-ring flange is by being threadably mounted at lower case Outside, water outlet-connection heating tube fabrication hole of lower case, oil suction-connection fuel sucking pipe fabrication hole, water inlet-connection heating tube technique Hole, oil return-connection oil return pipe fabrication hole, sensor-lower case cross the right side oil that Wiring technology hole is set in heater tube group The outside of heating muff, inlet line, left side oil heating muff, oil return line, fuel sensor；

G, heater head main body, the connection relationship of heater head lower case and heater tube group: water inlet-couples heating tube, water outlet- Connection heating tube, oil suction-connection fuel sucking pipe and oil return-connection oil return pipe are each passed through into water-connection heating tube fabrication hole, go out Water-connection heating tube fabrication hole, oil suction-connection fuel sucking pipe fabrication hole and oil return-connection oil return pipe fabrication hole are closely inserted in water outlet In pipeline, inlet pipeline, inlet line and oil return line, and pass through water inlet-connection heating tube, water outlet-connection heating tube, suction Oil-connection fuel sucking pipe and oil return-connection oil return pipe root sealing station will heat lumen and block；The connecting line of fuel sensor is logical Sensor-head body is crossed to cross Wiring technology hole and connect with the binding post in sensor socket box；Mounting hole in heater head main body with Threaded hole in heater tube group is bolted to connection；Intake and exhaust fabrication hole is inserted in port；

H, the connection relationship of heater tube group and lower sealing: oil strain mouth insertion hole is covered in oil strain mouth root, water outlet-connection heating tube It patches to patch into hole, water inlet-connection heating tube and respectively corresponds outlet pipeline and inlet pipeline into hole, oil groove sealing, which is fully inserted into, to be added In heat pipe chamber and seal；

I, heater tube group and heater lower link assembly connection relationship: water outlet-couples heating tube and connects and water inlet-connection heating tube It connects and looks into outlet pipeline and inlet pipeline respectively, oil strain mouth is inserted in oil strain mouth fabrication hole, and oil return line is inserted in technology groove-suction In oil pipe.

Structure of the invention design is rationally, easy to install and use.Set optimization several generations heater, and optimize properties of product, weight Point improves security reliability and service life.Using Water-In-Oil principle as utility strategies, using profile overall performance, accomplish without external Pipeline, no-welding-spot avoid pipeline because of leakage problems such as deformation, stomata, stress concentrations.It is integration collection between plastic and profile At being subject to multinomial Additional Protection measure, it is ensured that properties of product, quality.Use integrated section for whole design scheme, structure is more closed Reason, while product stability is improved, heating efficiency is improved, Product Safety and reliability are improved.

Detailed description of the invention

Fig. 1 is overall structure perspective view of the present invention；

Fig. 2 is overall structure floor map of the present invention；

Fig. 3 is the top view of Fig. 2 of the present invention；

Fig. 4 is the left view of Fig. 2 of the present invention；

Fig. 5 is the right view of Fig. 2 of the present invention；

Fig. 6 is heater head main body perspective view of the present invention；

Fig. 7 is heater head main body top view of the present invention；

Fig. 8 is heater head main body bottom view of the present invention；

Fig. 9 is the right view of Fig. 7 of the present invention；

Figure 10 is the top view of Fig. 7 of the present invention；

Figure 11 is heater head lower case perspective view of the present invention；

Figure 12 is heater head lower case top view of the present invention；

Figure 13 is Figure 12 top view of the present invention；

Figure 14 is heater head lower case bottom view of the present invention；

Figure 15 is heater tube group perspective view of the present invention；

Figure 16 is heater tube group planar structure schematic diagram of the present invention；

Figure 17 is heater tube group top view of the present invention；

Figure 18 is inlet line sectional side view of the present invention；

Figure 19 is sealed structural schematic diagram under the present invention；

Figure 20 is heater lower link assembly structure schematic diagram of the present invention；

Figure 21 is heater lower link assembly top view of the present invention；

Figure 22 is the A-A view of Figure 21 of the present invention；

Figure 23 is exhaust check valve structural schematic diagram of the present invention.

Specific embodiment

The present invention includes heater head main body 1, heater head lower case 2, heater tube group 3, heater lower link assembly 4。

A, heater head main body 1: there are oil return up and down-connection oil return pipe 103, water inlet-connection heating in head body 101 Pipe 102 is communicated with water inlet pipe 110, and water outlet-connection heating tube 104 is communicated with outlet pipe 107, oil suction-connection fuel sucking pipe 105 and suction Oil pipe 106 communicates, and port 113 is communicated with porting 112, there is sensor socket box 111, sensor on head body 101 Socket box 111 is connect by sensor socket 108 with the external world；It is provided with sensor-head body on head body 101 and crosses Wiring technology hole 114.

B, heater head lower case 2: having external screw thread-ring flange 201 outside lower case 202, and external screw thread-ring flange 201 is logical It crosses screw thread to connect with automotive oil tank, water outlet-connection heating tube fabrication hole 205 is provided with inside lower case 202, oil suction-connection is inhaled Oil pipe fabrication hole 206, water inlet-connection heating tube fabrication hole 207, oil return-connection oil return pipe fabrication hole 203, sensor-lower case Wiring technology hole 208 is crossed, and corresponding 113 position of port is provided with intake and exhaust fabrication hole 204.

C, heater tube group 3: it is inlet pipeline 302 and outlet pipeline 304 at 309 both ends of pipe group seat, is not covered in outer portion There are the oily heating muff 307 in left side and right side oil heating muff 306, left side oil heating muff 307 and right side oil heating muff 306 to divide Heating lumen 310 is formed not between inlet pipeline 302 and outlet pipeline 304, oil heating muff 307 and right side oil add in left side There are inlet line 305, inlet line 305 and pipe group seat 309, left side oil heating muff 307, right side oil in 306 junction of thermal sleeve 306 connecting portion of heating muff has the oily groove 308 of stream, due to being stamped seal gasket in entirely heating 310 upper surface of lumen, institute Can only be communicated by flowing oily groove 308 between, inlet line 305 and heating lumen 310 and the oil that circulates, in inlet line 305 Portion is upper and lower two chambers by 311 points of partition, and two chambers are not communicated in itself inside inlet line 305,305 cavity of resorption of inlet line It is provided with oil-through-hole 313, communicates 305 cavity of resorption of inlet line with heating lumen 310 by oil-through-hole 313,305 lower end of inlet line Inside is provided with internal screw thread 312, and the external screw thread on oil strain mouth 308 is matched with internal screw thread 312, and oilhole 315 is provided on oil strain mouth 314, 314 bottom end seal of oil strain mouth, upper end are communicated with 305 cavity of resorption of inlet line, and therefore, the oil in fuel tank can only be filtered by oilhole 315 Later it enters inside inlet line 305；It is oil return line 303, right side oil heating muff on the outside of left side oil heating muff 307 306 outsides are fuel sensors 301, and 301 conducting wire of fuel sensor is conducted by sensor line box 111, sensor socket 108 It goes out.These oil pipes, water pipe, fuel sensor etc. are to be integrally machined in this way, form an entirety, increase integral tube The intensity on road.Fuel sensor receives the information such as the temperature in fuel tank, is transferred out by conducting wire come each in fuel tank for monitoring Kind data information.

D, lower sealing: lower seal cap 6 has water outlet-connection heating tube to patch to patch into hole 7, water inlet-connection heating tube into hole 5 It is inserted into hole 8 with oil strain mouth, has oil groove to seal 9 in the side of lower seal cap 6, oil groove sealing 9 is matched with heating lumen 310.

E, heater lower link assembly 4: heater lower link assembly 4 is divided into upper mantle cavity 409 and lower envelope by partition 408 Closed chamber 407, be provided on partition 408 water outlet-connection heating tube connect 404 and water inlet-connection heating tube connect 402, water outlet-connection adds Heat pipe connect 404 and water inlet-connection heating tube connect 402 and communicated with lower closing chamber 407, be provided on heater lower link assembly 4 Oil strain mouth fabrication hole 401, technology groove-fuel sucking pipe 406 and sensor righting circle 403 up and down, technology groove-fuel sucking pipe 406 It is communicated with fabrication hole-fuel sucking pipe 405 of side.Upper mantle cavity 409 is in order to facilitate heater tube group 3 and heater lower link assembly Technique setting when 4 docking, and after to connecting, it can be with sealant pouring and sealing.

F, the connection relationship of heater head lower case 2 and heater tube group 3: external screw thread-ring flange 201 is installed by screw thread Outside lower case 202, water outlet-connection heating tube fabrication hole 205 of lower case 202, oil suction-connection fuel sucking pipe fabrication hole 206, Water inlet-connection heating tube fabrication hole 207, oil return-connection oil return pipe fabrication hole 203, sensor-lower case cross Wiring technology hole 208 It is set in the right side oil heating muff 306, inlet line 305, left side oil heating muff 307, oil return pipe of heater tube group 3 Road 303, fuel sensor 301 outside.The fabrication hole that heater head lower case 2 is substantially out, primarily serve one it is auxiliary Effect is helped, is designed for the installation between aspect entire heating device and fuel tank of the invention, so, heater head lower casing All fabrication holes being provided on body 2 are that corresponding heating tube group 3 correspondence is issued, and external screw thread is and the peace that is arranged on fuel tank Fill screw thread matching on hole.It after installation is complete, is boundary with heater head lower case 2, substantially heater head main body 1 is placed in oil Outside case, and following heater tube group 3, heater lower link assembly 4 are placed in fuel tank internal.

G, heater head main body 1, the connection relationship of heater head lower case 2 and heater tube group 3: water inlet-couples heating Pipe 102, water outlet-connection heating tube 104, oil suction-connection fuel sucking pipe 105 and oil return-connection oil return pipe 103 are each passed through into water- Couple heating tube fabrication hole 207, water outlet-connection heating tube fabrication hole 205, oil suction-connection fuel sucking pipe fabrication hole 206 and oil return- Connection oil return pipe fabrication hole 203 is closely inserted in outlet pipeline 304, inlet pipeline 302, inlet line 305 and oil return line 303 It is interior, and pass through water inlet-connection heating tube 102, water outlet-connection heating tube 104, oil suction-connection fuel sucking pipe 105 and oil return-connection The sealing station 116 for taking back 103 root of oil pipe is blocked lumen 310 is heated；The connecting line of fuel sensor 301 passes through sensor- Head body is crossed Wiring technology hole 114 and is connect with the binding post in sensor socket box 111；Mounting hole 109 in heater head main body 1 with Threaded hole in heater tube group 3 is bolted to connection；Intake and exhaust fabrication hole 204 is inserted in port 113.

H, the connection relationship of heater tube group 3 and lower sealing: oil strain mouth is inserted into 8 sets of hole in 308 root of oil strain mouth, water outlet- Connection heating tube, which is patched, to be patched into hole 7, water inlet-connection heating tube and respectively corresponds outlet pipeline 304 and inlet pipeline 302 into hole 5, Oil groove sealing 9 is fully inserted into heating lumen 310 and seals.

I, heater tube group 3 is with 4 connection relationship of heater lower link assembly: water outlet-couples heating tube and connects 404 and water inlet- Connection heating tube connects 402 and is looked into outlet pipeline 304 and inlet pipeline 302 respectively, and oil strain mouth 308 is inserted in oil strain mouth fabrication hole In 401, oil return line 303 is inserted in technology groove-fuel sucking pipe 406.

Postal route of the invention and water route are illustrated with reference to the accompanying drawing: the present invention mainly use the form of Water-In-Oil into Row heating oil, so, the oil in oil circuit is substantially flowed around water route periphery.

Oil circuit: it describes from bottom to up, it is understood that describe from the inside to the outside, oil strain mouth 314 is communicated with fuel tank internal, and It communicates with 305 cavity of resorption of inlet line, then is communicated by oil-through-hole 313 with heating lumen 310, heating lumen 310 is recessed by stream oil Slot 308 couples fuel sucking pipe 105 with 305 epicoele of inlet line and oil suction-, oil suction-connection fuel sucking pipe 105 by fuel sucking pipe 106 with Extraneous fuel-servicing equipment communicates, and substantially oil is when entering fuel tank from fuel-servicing equipment in this way, it is necessary to inside heating lumen 310 Heating pipeline, so that oil be heated.

Water route: since water route is a circulation form, so, this water inlet end for sentencing intake-outlet is described.It is first First hot water enters inlet pipeline 302 by water inlet-connection heating tube 102, then connects 402 from water inlet-connection heating tube and enter lower envelope Closed chamber 407, then connect 404 from water outlet-connection heating tube and flow to outlet pipeline 304, finally flowed out from water outlet-connection heating tube 104, And water inlet-connection heating tube 102 couples heating tube 104 with water outlet-and is docked in the same hot water storage equipment, so, going out Water-connection heating tube 104 is heated after entering this heating equipment, then returns to water route from water inlet-connection heating tube 102, according to Secondary circulation, in this way, hot water when by inlet pipeline 302 and outlet pipeline 304, heats the oil passed through outside their walls. But since water route is a circulation, so, the application also can be reversed progress in the Inlet and outlet water stroke of foregoing description, but water route is not Become.

If being stored with original grease in fuel tank, automobile can not be started under low-temperature condition, at this point, can also be normal by water On logical, an oil suction equipment then is docked in fuel sucking pipe 106, the oil of fuel tank internal is sucked out and is heated, is then injected back into oil again Carried out in case using.

Although, to increase the burning point of oil, necessarily will affect and add since the system for entirely heating oil heats oil Speed oil, and the oil in fuel tank have to not necessarily be heated to very high temperature, at this time, it is necessary to the normal filling conduit of Article 2 (oil return line 303), this pipeline directly pass through oil return-connection oil return pipe 103 and connect with external dressing equipment, and bottom end is directly and postal It is communicated inside case.Therefore double set oiling roads may be implemented, heated all the way, all the way without heating, without the oil circuit of heating A part by 3 wall of heater tube group (generally use thermally conductive preferable material, such as aluminium alloy etc.) be conducted through the residual temperature come into The preliminary simple heating of row, and after entering mailbox, Hybrid Heating is carried out by the heating oil come in heating part, can be protected substantially Hold fuel oil burning point.

Present invention combination several generations heater advantage, learns from other's strong points to offset one's weaknesses:

1, using oil circuit package high temperature water route as principle.

2, independent pipeline is replaced with integral section, enhances stability.

3, encapsulating is protected, and multiple binding sites and face is made to form entirety.

4, it increases single exhaust newly and protects valve, inversion-prevention oil leak and inner overpressure.

5, it is promoted using aluminum profile heating effect.

6, using profile globality, multiple tie points and face, only upper and lower surfaces are removed.

7, sealing is changed to six sealings (rubber ring two, convex-concave slot one, one, plane, insertion one by the single rubber mat of plane Item, encapsulating one).

8, encapsulating is that heater is combined into entirety without dead angle.

The present invention includes heater head main body 1, heater head lower case 2, body aluminum profile integral tube in heater tube group 3( Road), heater lower link assembly 4(heater lower case)；Dustproof and waterproof lid (is buckled in sensor socket box at the top of heater Above 111, form the cavity of a sealing with sensor socket box 111, place some connection electric wires etc.), heater head main body 1, heater head lower case 2 constitutes entire heater top shell, and heater head lower case 2 is covered completely in heater tube group 3 upper ends, and it is corresponding be inserted on 1 corresponding site of heater head main body, dustproof and waterproof lid can add one at the top of heater The marks such as a little trade mark, models.

Four connectors of water inlet, return water, oil inlet, oil return of heater head main body 1 are all made of slotting form fastly and two layers of installation close Sealing rubber ring, and work independently and do not interfere with each other, whom is avoided have and is mutually mixed.

One, water pipe, oil pipe internal connection are plug connector.

Two, plug connector is sealed into the double-deck O-ring seal (nitrile rubber).

Three, flat gasket.

Four, epoxide-resin glue seals.

Five, exhaust check valve (porting 112): it is divided into narrow area 1122 and wide area 1124 inside porting 112, in width Sealing steel ball 1121 is placed in area 1124, the outer diameter of steel ball 1121 is less than wide area 1124, but is greater than narrow area 1122, steel ball 1121 are placed on the cross ventilation collet 1123 of wide 1124 bottom of area, and so-called cross ventilation collet 1123 is exactly centre There is cross bracket, prevent steel ball from falling, however other positions can be convenient air-flow passes through.Steel ball after heater overturning Conical section (narrow area's import) is fallen into, to play sealing function.

Heater lower case is aluminum profile combination fastener, dispenses with section bars and is moulded into one, when covering in heater tube group 3 After upper, 3 periphery of heater tube group is provided with an area Ge Cao, applies epoxy resin seal protection stability for filling in slot area.

Lower sealing is made of 45 degree of nitrile rubber materials, material oil resistant, high temperature resistant, ageing-resistant, the excellent benefit of chemical-resistance, Profile internal voids are inserted into, area in sealing contact is increased, then encapsulating wraps up again with the formation of plastic profile, and sealing more may be used It leans on.

Heater tube group 3 is integrally formed, upper end and 1 grafting of heater head main body, lower end and heater head lower case 2, Form oil, water distinguishes independent subregion circuit, and when oil passes through oil return line, since oil circuit is inherently coated on water route periphery, So oil is carried out Omnidirectional heating under the tube wall heat conduction form of water route.

It summarizes: reducing piping connection point, opposite reduction breakthrough, and will be moved on upper connection point on the outside of fuel tank, reduced Hidden leakage defect.After profile is combined into entirety, each pipeline entirety stress is mutually supported, and fastness increases.Plastic and profile note are one Body changes connection structure, eliminates hidden leakage defect.It is multiple that increase exhaust antiseepage sets skill, Water-In-Oil design raising effect, emphasis installation Sealing, rubber mat be changed to three-dimensional insertion plus flat seal by plane, again after encapsulating, and only two sealing surfaces are formed with plastic It is whole, leakage passage is eliminated, is integrally formed heater, ne-leakage point keeps heater more safe and reliable.