A kind of water pump bearing being integrated with water pump spiral casing
Technical field
The invention belongs to technical field of internal combustion engines, be specifically related to a kind of water pump bearing being integrated with water pump spiral casing.
Background technique
Within the engine, by making cooling liquid constantly circulate along the coolant circulation system of the water jacket comprised in its cylinder block and head, motor fuselage can remain on suitable temperature, to ensure the durability of each component.
In traditional method, in many cases, be integrally mounted in cylinder block for making cooling liquid along the water pump that coolant circulation system circulates, wherein water pump accommodating chamber is being arranged in the recess of sidewall of cylinder block one end, pump chamber will manage to be formed in cylinder block, the recess forming pump chamber will be formed at and the cylinder be arranged in the outer wall section of cylinder block, water jacket, the position that crankcase etc. do not interfere, this makes the structure of the cylinder block internal wall member near pump chamber become complicated, add the danger producing shrinkage cavity in press casting procedure in block material, disqualification rate is caused to increase.
Particularly, when casting cylinder block, the precision of pump chamber is difficult to ensure, therefore, needs the precision ensureing pump chamber by cutting recess after its die casting, thus, can increase many machinings man-hour, cost is increased.
In addition, in traditional design, the function singleness of water pump bearing, only for holding thermoregulator and installing engine water inlet, all the other structures such as cylinder body water jacket water inlet, water outlet, water pump spiral casing etc. are all arranged separately at other positions of motor, structure disperses, and connecting pipeline is more, for the mini engine that current structure is more and more compacter, layout design becomes more difficult; Meanwhile, many assembly work can be increased, affect productive temp.
Summary of the invention
An object of the present invention is to provide a kind of water pump bearing being integrated with water pump spiral casing, do not need to carry out machining in cylinder block side.
Another object of the present invention is to provide the water pump seat structure of a kind of compact structure, integrated several functions, solves current small-sized supercharging directly jetting gasoline engine arrangement difficulty, can reduce assembly work simultaneously.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of water pump bearing being integrated with water pump spiral casing, comprise water pump spiral casing (8), cylinder body water jacket intake tunnel (7), thermoregulator accommodating chamber (5), cylinder body water jacket exhalant canal (4), also comprise integrated A steel pipe (2), B steel pipe (3) and C steel pipe (6) thereon and be positioned at water pump spiral casing (8) outer rim and the ear (1) radially distributed;
Described water pump spiral casing (8), for holding water pump vane, and its end is provided with water pump packing face (801) and is closed by water pump cover, thus forms water pump vortex chamber (802);
Described cylinder body water jacket intake tunnel (7), extend to cylinder body water jacket entrance along described water pump vortex chamber (802) tangent direction, its rectangular in cross-section also expands continuously along bearing of trend;
Described cylinder body water jacket exhalant canal (4), right side is provided with C steel pipe (6), exports be connected with machine oil cooler; Outside is provided with m1 sealing surface (410) and a1 seal groove (411), and for installing engine water outlet, engine water outlet is connected with radiator entrance; Inner face is recessed structures, and form short circle passage (430), t3 through hole (440) and t4 through hole (450), C steel pipe (6), t3 through hole (440) and t4 through hole (450) are communicated as one by short circle passage (430);
Described thermoregulator accommodating chamber (5), is provided with circular cavity (530), for holding and installing thermoregulator, is communicated with t4 through hole (450) with t2 passage (10) simultaneously;
Described ear (1), is positioned at water pump spiral casing (8) outer rim and radially distributes, for supporting and installing generator.
The present invention's beneficial effect is compared with the existing technology:
1, reduce cylinder block casting difficulty, do not need to carry out machining in cylinder block side, the increase of disqualification rate and cost can be controlled.
2, connecting pipeline is few, arrangement convenience, compact structure and integrated several functions, solves current small-sized supercharging directly jetting gasoline engine arrangement difficulty, can reduce assembly work simultaneously, meet productive temp.
3, number of spare parts is few, and cost is low, good reliability.
Accompanying drawing explanation
Fig. 1 is plan view of the present invention,
Fig. 2 is rear view of the present invention,
Fig. 3 is left view of the present invention,
Fig. 4 is right elevation of the present invention,
Fig. 5 is the A-A sectional view of Fig. 1,
Fig. 6 is the B-B sectional view of Fig. 1.
In figure, sequence number illustrates: ear 1, A steel pipe 2, B steel pipe 3, cylinder body water jacket exhalant canal 4, m1 sealing surface 410, a1 seal groove 411, m2 sealing surface 420, a2 seal groove 421, short circle passage 430, t3 through hole 440, t4 through hole 450, thermoregulator accommodating chamber 5, m3 sealing surface 510, a3 seal groove 511, m5 sealing surface 520, circular cavity 530, C steel pipe 6, cylinder body water jacket intake tunnel 7, m4 sealing surface 710, a4 seal groove 711, water pump spiral casing 8, water pump packing face 801, water pump vortex chamber 802, t1 passage 9, t2 path 10.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
See Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of water pump bearing being integrated with water pump spiral casing, comprise water pump spiral casing (8), cylinder body water jacket intake tunnel (7), thermoregulator accommodating chamber (5), cylinder body water jacket exhalant canal (4), also comprise integrated A steel pipe (2), B steel pipe (3) and C steel pipe (6) thereon and be positioned at water pump spiral casing (8) outer rim and the ear (1) radially distributed.
Described water pump spiral casing (8) is for holding water pump vane, and its end is provided with water pump packing face (801) and is closed by water pump cover, thus forms water pump vortex chamber (802); Cooling liquid enters water pump along t2 passage (10), flow out along water pump vortex chamber (802) and be divided into two-way after water pump pressurization, wherein a road enters cylinder body water jacket through cylinder body water jacket intake tunnel (7), and another road is successively through t1 passage (9) and B steel pipe (3) ingress engine oil cooler.
Described cylinder body water jacket intake tunnel (7), extend to cylinder body water jacket entrance along described water pump vortex chamber (802) tangent direction, its rectangular in cross-section also expands continuously along bearing of trend.
Described cylinder body water jacket intake tunnel (7) coordinates with cylinder body water jacket entrance, and on junction plane, be provided with m4 sealing surface (710) and a4 seal groove (711).
Described cylinder body water jacket exhalant canal (4), right side is provided with C steel pipe (6), exports be connected with machine oil cooler; Outside is provided with m1 sealing surface (410) and a1 seal groove (411), and for installing engine water outlet, engine water outlet is connected with radiator entrance; Inner face is recessed structures, and form short circle passage (430), t3 through hole (440) and t4 through hole (450), C steel pipe (6), t3 through hole (440) and t4 through hole (450) are communicated as one by short circle passage (430).
Described cylinder body water jacket exhalant canal (4) exports with cylinder body water jacket and coordinates, and on junction plane, be provided with m2 sealing surface (420) and a2 seal groove (421).
Described thermoregulator accommodating chamber (5), is provided with circular cavity (530), for holding and installing thermoregulator, is communicated with t4 through hole (450) with t2 passage (10) simultaneously;
Described circular cavity (530) top is provided with m3 sealing surface (510) and a3 seal groove (511), and bottom is provided with m5 sealing surface (520).
Described m3 sealing surface (510) is for installing engine water inlet, and engine water inlet is connected with radiator outlet.
Described a3 seal groove (511) is for location and install thermoregulator.
Described m5 sealing surface (520) can coordinate with thermoregulator auxiliary-valve, shutoff t4 through hole (450), closes cooling system short circle.
Described ear (1), is positioned at water pump spiral casing (8) outer rim and radially distributes, for supporting and installing generator.
Described ear (1) is thicker and surrounding is provided with stiffening rib, has good intensity.
Described A steel pipe (2) is communicated with t2 passage (10), exports simultaneously and is connected with bottom expansion tank, cooling liquid is introduced water pump with warm-air drier.
Described B steel pipe (3) is communicated with t1 passage (9), is connected simultaneously, cooling liquid is introduced machine oil cooler with machine oil cooler entrance.
Described C steel pipe (6) exports with machine oil cooler and is connected, and the cooling liquid from machine oil cooler enters cylinder body water jacket exhalant canal (4) through C steel pipe (6).
Water pump spiral casing (8) end is provided with water pump, when after engine start, water pump is started working, cooling liquid enters water pump along t2 passage (10), flow out along water pump vortex chamber (802) and be divided into two-way after water pump pressurization, wherein a road enters cylinder body water jacket through cylinder body water jacket intake tunnel (7), and another road is successively through t1 passage (9) and B steel pipe (3) ingress engine oil cooler.When coolant temperature is lower, thermoregulator main valve is closed, auxiliary-valve is opened, from the cooling liquid that cylinder body water jacket exports and machine oil cooler flows out successively through short circle passage (430), t4 through hole (450), then circular cavity (530) is imported, eventually pass t2 passage (10) and get back to water pump, form cooling system short circle; When coolant temperature reaches thermoregulator open temp, thermoregulator main valve is opened, and drive thermoregulator auxiliary-valve to move downward, until fit with m5 sealing surface (520), t4 through hole (450) is tempered device auxiliary-valve and closes, current are obstructed, from the cooling liquid that cylinder body water jacket exports and machine oil cooler flows out through t3 through hole (440), radiator is entered from engine water outlet, cooling liquid is after supercooling, enter circular cavity (530) from engine water inlet, eventually pass t2 passage (10) and get back to water pump, form cooling system major cycle; A steel pipe (2) is communicated with t2 passage (10), and export with warm-air drier simultaneously and be connected with bottom expansion tank, cooling liquid is introduced water pump, and this stream is in normally open.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.