CN204704021U - A kind of Anti-leakage type engine cylinder cover water outlet lid - Google Patents
A kind of Anti-leakage type engine cylinder cover water outlet lid Download PDFInfo
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- CN204704021U CN204704021U CN201520313558.5U CN201520313558U CN204704021U CN 204704021 U CN204704021 U CN 204704021U CN 201520313558 U CN201520313558 U CN 201520313558U CN 204704021 U CN204704021 U CN 204704021U
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- connecting tube
- heat radiation
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- radiation connecting
- water outlet
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Abstract
The utility model provides a kind of Anti-leakage type engine cylinder cover water outlet lid, at least comprise the cavity of hollow, cavity is provided with the heat radiation connecting tube of sensor fixing hole and more than 2 and cavity inner space, be respectively feed liquor heat radiation connecting tube and fluid heat radiation connecting tube, feed liquor heat radiation connecting tube and the fluid connecting tube that dispels the heat lay respectively on two opposing end surfaces of cavity, all inserts is fixed with in each heat radiation connecting tube, inserts is less than the length of the connecting tube that dispels the heat with the length of heat radiation connecting tube attachment portion, pressure release bolt is provided with in the chamber wall of cavity, release bolt is hollow structure, the inside of its screw rod offers relief hole, two openings of relief hole lay respectively on screw rod bottom surface and side, the outer surface of cavity is provided with netted reinforcing rib, in the cylinder cap water outlet lid that the utility model provides, the plastic body of inserts and cylinder cap water outlet lid fits tightly, and this cylinder cap water outlet lid can avoid inserts and cooling liquid directly contact and have decompression function, sealing, good leak-proof effect.
Description
Technical field
The utility model relates to a kind of engine cylinder cover water outlet lid, belongs to engine cooling apparatus technical field.
Background technique
Along with auto output ground increases year by year, thus bring the rise of fuel price, so present stage the Design of Auto Parts, manufacture and use vital task be exactly saving fuel oil, improve fuel economy, the lightweight of car load vehicle body and Che Nei component reduces the most effective important measures of oil consumption, carry out the light-weighted research of engine, must under the prerequisite ensureing automobile intensity and Safety performance, compatible by proving it step by step from steps such as structural design, design optimization, installation checking, Physicochemical test and overall tests.Along with the development of Science and Technology Day crescent strange land, the engineering plastics of rub resistance and high strength progressively can substitute the engine cylinder-body cylinder cap product of some full cast irons and all aluminium alloy in high temperature environments.Under the prerequisite ensureing engine performance, by using lightweight material to reduce the function that engine quality realizes energy-conserving and environment-protective, reach the object of " to mould Dai Gang ".
Cylinder cap water outlet lid is the cooling-part of motor, and be communicated with engine radiating pipe and peripheral hardware radiator by cylinder cap water outlet lid, cooling liquid flows in cylinder cap water outlet lid; The existing cylinder cap water outlet lid taking engineering plastics as raw material and manufacture, in heat radiation, connecting tube mouth of pipe place directly offers internal thread, and because joint is plastic material, therefore join strength is poor; Partly plastic cylinder cap water outlet lid installs inserts to improve the intensity of joint at heat radiation connecting tube inwall, the end face at inserts two ends all flushes with the heat radiation connecting tube two ends mouth of pipe, under cylinder cap water outlet lid is in the environment of the high temperature of engine operation stroke for a long time, and brass thermal expansion coefficient difference compared with plastics is larger, cold cycling repeatedly easily causes between plastic body and inserts and produces gap, causes cooling liquid seepage.
Summary of the invention
The purpose of this utility model is to solve the deficiencies in the prior art, and a kind of Anti-leakage type engine cylinder cover water outlet lid is provided, this cylinder cap water outlet lid body is injection molded by engineering plastics, this cylinder cap water outlet lid can avoid inserts and cooling liquid directly contact and have decompression function, sealing, good leak-proof effect.
Realizing the technological scheme that the utility model object adopts is, a kind of Anti-leakage type engine cylinder cover water outlet lid, at least comprise the cavity of hollow, cavity is provided with the heat radiation connecting tube of sensor fixing hole and more than 2 and cavity inner space, heat radiation connecting tube is divided into feed liquor heat radiation connecting tube and fluid heat radiation connecting tube, the caliber of feed liquor heat radiation connecting tube is greater than the caliber of fluid heat radiation connecting tube, feed liquor heat radiation connecting tube and the fluid connecting tube that dispels the heat lay respectively on two opposing end surfaces of cavity, sensor fixing hole is positioned at the below of one of them heat radiation connecting tube and cavity connection part, all inserts is fixed with in the inwall of each heat radiation connecting tube mouth of pipe, the end face of inserts one end is embedded in the tube wall of heat radiation connecting tube, the other end protrudes from the mouth of pipe of heat radiation connecting tube, inserts is less than the length of the connecting tube that dispels the heat with the length of heat radiation connecting tube attachment portion, the bottom of cavity offers more than 2 pilot holes, pressure release bolt is provided with in the chamber wall of cavity, the screw rod of described pressure release bolt is hollow structure, the inside of screw rod offers relief hole, two openings of relief hole lay respectively on screw rod bottom surface and side.
Described cavity is the plastic chamber of flat column, each limit of flat column cavity, the equal arc transition in angle, cavity is provided with 3 heat radiation connecting tubes, be respectively feed liquor heat radiation connecting tube and two fluid heat radiation connecting tubes, two fluids heat radiation connecting tube is mutually vertical and be positioned on same end face, one of them fluid heat radiation connecting tube is parallel to feed liquor heat radiation connecting tube, and pressure release bolt is positioned on the different end faces of cavity from heat radiation connecting tube.
The bottom of cavity is fixed with 2 with convex platform, and each pilot hole is opened on each boss respectively, and sensor fixing hole and pilot hole are tapped hole.
The outer surface of cavity is provided with netted reinforcing rib, and netted reinforcing rib and pressure release bolt lay respectively on two opposing end surfaces of cavity.
Pad is provided with between pressure release bolt and cavity.
Inserts is copper insert, and the outer surface of inserts is provided with hatching knurling.
As shown from the above technical solution, the engine cylinder cover water outlet lid that the utility model provides adopts engineering plastics to make, therefore quality is light, be connected with the pipeline of radiator or engine radiating pipe with the heat radiation connecting tube of cavity inner space by more than 2, inserts is all fixed with for improving joint rigidity in each heat radiation connecting tube, inserts is less than the length of the connecting tube that dispels the heat with the length of heat radiation connecting tube attachment portion, namely the bottom of inserts is wrapped in heat radiation connecting tube tube wall, therefore can not contact with inserts during coolant flow, the heat of cooling liquid reaches inserts by intermetallic heat transfer, inserts temperature rise I avoids inserts overexpansion to cause the distortion of heat radiation connecting tube plastic body, heat radiation connecting tube plastic body between inserts because of the different easy generation gap of thermal expansion coefficient, bottom due to inserts is wrapped in heat radiation connecting tube tube wall, the longitudinal section in this gap is L-type, greatly reduce the leakage rate of cooling liquid, cavity is plastic material, and pipeline or the engine radiating pipe of radiator mostly are metal material, and inserts protrudes from the mouth of pipe of heat radiation connecting tube, avoids the plastics effect of attrition cavity working life of joint housing surface, pressure release bolt is installed in cavity, two openings of pressure release bolt relief hole lay respectively on screw rod bottom surface and side, when cylinder cap water outlet lid internal coolant pressure is excessive, cooling liquid enters relief hole from screw rod bottom surface, and oozed out, for cooling liquid pressure release by the relief hole opening on screw rod side and the hole between cylinder cap water outlet lid body.
The feed liquor heat radiation connecting tube caliber of cavity is larger, for connecting additional radiator, the cooling liquid be convenient to through radiator cooling enters cavity inner chamber, fluid heat radiation connecting tube caliber is less, for connecting engine heat dissipating pipe, when two orthogonal fluid heat radiation connecting tubes make cooling liquid enter engine radiating pipe, flow velocity is accelerated, and is convenient to the cooling of motor; Pressure release bolt is positioned on the different end faces of cavity from heat radiation connecting tube, avoids the same end face perforate of cavity too much to cause rigidity to decline.
The sensor fixing hole of cavity, for installing temperature or pressure transducer, is convenient to temperature or the pressure of Real-Time Monitoring engine coolant; Cylinder cap water outlet lid is fixed on motor by the pilot hole be opened on boss, and boss can ensure the fixing stationarity of cylinder cap water outlet lid.
The outer surface of inserts adopts hatching knurling, has certain choked flow and decompression to the cooling liquid in gap between heat radiation connecting tube plastic body and inserts, reduces the risk of leakage of cooling liquid.
Accompanying drawing explanation
The overall structure figure of the Anti-leakage type engine cylinder cover water outlet lid that Fig. 1 provides for the utility model.
Fig. 2 is Fig. 1 reverse view.
Fig. 3 is the A place sectional view of Fig. 2.
Fig. 4 is the structural representation of pressure release bolt.
Wherein, 1-cavity, 2-fluid heat radiation connecting tube, 3-feed liquor heat radiation connecting tube, 4-pressure release bolt, 5-pad, 6-sensor fixing hole, 7-pilot hole, 8-boss, 9-stiffening rib, 10-inserts, 11-relief hole.
Embodiment
Illustrate in detail the utility model below in conjunction with drawings and Examples, content of the present utility model is not limited to following examples.
The Anti-leakage type engine cylinder cover water outlet lid that the utility model provides, its structure as shown in Figure 1 to Figure 3, comprise the plastic chamber 1 of hollow, described cavity is the plastic chamber of flat column, each limit of flat column cavity, the equal arc transition in angle, cavity is provided with the heat radiation connecting tube of sensor fixing hole 6 and 3 and cavity inner space, be respectively feed liquor heat radiation connecting tube 3 and two fluid heat radiation connecting tubes 2, feed liquor heat radiation connecting tube and the fluid connecting tube that dispels the heat lay respectively on two opposing end surfaces of cavity, sensor fixing hole is positioned at the below of fluid heat radiation connecting tube and cavity connection part, the caliber of feed liquor heat radiation connecting tube is greater than the caliber of fluid heat radiation connecting tube, two fluids heat radiation connecting tube is mutually vertical and be positioned on same end face, one of them fluid heat radiation connecting tube is parallel to feed liquor heat radiation connecting tube, hatching knurling inserts 10 is all fixed with in the inwall of each heat radiation connecting tube mouth of pipe, inserts is copper insert, the end face of inserts one end is embedded in the tube wall of heat radiation connecting tube, the other end protrudes from the mouth of pipe of heat radiation connecting tube, inserts is less than the length of the connecting tube that dispels the heat with the length of heat radiation connecting tube attachment portion, the bottom of cavity is fixed with the boss 8 that more than 2 offer pilot hole 7, sensor fixing hole and pilot hole are tapped hole, pressure release bolt 4 and pad 5 is provided with in cavity, pad is between pressure release bolt and cavity, pressure release bolt is positioned on the different end faces of cavity from heat radiation connecting tube, the structure of pressure release bolt as shown in Figure 4, its screw rod is hollow structure, and the inside of screw rod offers relief hole 11, and two openings of relief hole lay respectively on screw rod bottom surface and side, the outer surface of cavity is provided with netted reinforcing rib 9, and netted reinforcing rib and pressure release bolt lay respectively on two opposing end surfaces of cavity.
Carry out the test of air-tightness, explosion-proof performance and installation capability to the Anti-leakage type engine cylinder cover water outlet lid that the utility model provides, every test condition and test result are as following table:
As seen from the above table, the Anti-leakage type engine cylinder cover water outlet air-tightness that the utility model provides is good, namely has preferably leak resistance; Explosion can not occur when internal pressure is larger, namely relieving characteristics is good; The means of fixation that boss and bolt are fixed can ensure that cylinder cap water outlet lid is stable and be fixed on motor, the vibration of effectively generation in opposing automobile running way.
Claims (6)
1. an Anti-leakage type engine cylinder cover water outlet lid, at least comprise the cavity of hollow, it is characterized in that: cavity is provided with the heat radiation connecting tube of sensor fixing hole and more than 2 and cavity inner space, heat radiation connecting tube is divided into feed liquor heat radiation connecting tube and fluid heat radiation connecting tube, the caliber of feed liquor heat radiation connecting tube is greater than the caliber of fluid heat radiation connecting tube, feed liquor heat radiation connecting tube and the fluid connecting tube that dispels the heat lay respectively on two opposing end surfaces of cavity, sensor fixing hole is positioned at the below of one of them heat radiation connecting tube and cavity connection part, all inserts is fixed with in the inwall of each heat radiation connecting tube mouth of pipe, the end face of inserts one end is embedded in the tube wall of heat radiation connecting tube, the other end protrudes from the mouth of pipe of heat radiation connecting tube, inserts is less than the length of the connecting tube that dispels the heat with the length of heat radiation connecting tube attachment portion, the bottom of cavity offers more than 2 pilot holes, pressure release bolt is provided with in the chamber wall of cavity, the screw rod of described pressure release bolt is hollow structure, the inside of screw rod offers relief hole, two openings of relief hole lay respectively on screw rod bottom surface and side.
2. Anti-leakage type engine cylinder cover water outlet lid according to claim 1, it is characterized in that: described cavity is the plastic chamber of flat column, each limit of flat column cavity, the equal arc transition in angle, cavity is provided with 3 heat radiation connecting tubes, be respectively feed liquor heat radiation connecting tube and two fluid heat radiation connecting tubes, two fluids heat radiation connecting tube is mutually vertical and be positioned on same end face, one of them fluid heat radiation connecting tube is parallel to feed liquor heat radiation connecting tube, and pressure release bolt is positioned on the different end faces of cavity from heat radiation connecting tube.
3. Anti-leakage type engine cylinder cover water outlet lid according to claim 1, is characterized in that: the bottom of cavity is fixed with 2 with convex platform, and each pilot hole is opened on each boss respectively, and sensor fixing hole and pilot hole are tapped hole.
4. Anti-leakage type engine cylinder cover water outlet lid according to claim 1, it is characterized in that: the outer surface of cavity is provided with netted reinforcing rib, netted reinforcing rib and pressure release bolt lay respectively on two opposing end surfaces of cavity.
5. Anti-leakage type engine cylinder cover water outlet lid according to claim 1, is characterized in that: be provided with pad between pressure release bolt and cavity.
6. Anti-leakage type engine cylinder cover water outlet lid according to claim 1, is characterized in that: inserts is copper insert, and the outer surface of inserts is provided with hatching knurling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520313558.5U CN204704021U (en) | 2015-05-14 | 2015-05-14 | A kind of Anti-leakage type engine cylinder cover water outlet lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520313558.5U CN204704021U (en) | 2015-05-14 | 2015-05-14 | A kind of Anti-leakage type engine cylinder cover water outlet lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204704021U true CN204704021U (en) | 2015-10-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520313558.5U Active CN204704021U (en) | 2015-05-14 | 2015-05-14 | A kind of Anti-leakage type engine cylinder cover water outlet lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204704021U (en) |
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2015
- 2015-05-14 CN CN201520313558.5U patent/CN204704021U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |