CN202673391U - Locating structure of oil pump of automobile engine - Google Patents
Locating structure of oil pump of automobile engine Download PDFInfo
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- CN202673391U CN202673391U CN 201220316059 CN201220316059U CN202673391U CN 202673391 U CN202673391 U CN 202673391U CN 201220316059 CN201220316059 CN 201220316059 CN 201220316059 U CN201220316059 U CN 201220316059U CN 202673391 U CN202673391 U CN 202673391U
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- cylinder body
- pin
- hole
- oil pump
- automobile engine
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- Lubrication Of Internal Combustion Engines (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The utility model provides a locating structure of an oil pump of an automobile engine, belonging to the technical field of automobiles and solving the problems of complex structure and inconvenience for connection of the locating structure of the oil pump of the traditional automobile engine. The locating structure of the oil pump of the automobile engine is arranged between a cylinder body of an engine and a pump body of the oil pump and comprises cotter pins arranged on one end of the pump body, wherein the cylinder body is provided with pin holes corresponding to the cotter pins in positions and shapes in a one-to-one correspondence manner, and a locating assembly capable of enabling the pump body to be fixedly connected with the cylinder body is arranged between the other end of the pump body and the cylinder body. According to the locating structure of the oil pump of the automobile engine, one end of the pump body of the oil pump is connected to the cylinder body through the cotter pins, the pump body remains the degree of freedom of translation and rotation along the axial lead of the cotter pins relative to the cylinder body, so that the other end of the pump body is more conveniently fixed with the cylinder body; and the locating assembly is of a structure of clamping a cylindrical pin by using a hoop, so that the position requirement of the cylindrical pin on the cylinder body is lowered, and the production cost is saved.
Description
Technical field
The utility model belongs to automobile technical field, relates to the position structure of a kind of oil pump, particularly a kind of automobile engine oil pump.
Background technique
The oil pump of motor car engine is arranged on the engine cylinder-body, is used for each working position to motor of the oil delivery in the oil sump, and in-engine workpiece is lubricated and cools off.In the prior art, oil pump usually adopts and is bolted on the cylinder body of motor.During assembling, the mounting hole on the oil pump need to be aimed at the tapped hole on the cylinder body, and again bolt is passed mounting hole and be screwed in the tapped hole, the inefficiency of assembling, and the position accuracy demand to mounting hole and tapped hole is higher in manufacture process, has increased cost of production.
For solving above-mentioned technical problem, those skilled in the art have designed the positioning device of a kind of engine and oil pump, and have applied for Chinese patent [patent No. ZL02204124.9; Notice of authorization CN2532243Y], the positioning device of this engine and oil pump mainly is to establish concentric locating mechanism at the opposite side of engine body and oil pump, concentric locating mechanism comprises and is arranged on the engine body one side bulge loop concentric with bent axle, the opposite side of oil pump be provided with one with the internal rotor axis hole concentric and external diameter is same as the collar of the bulge loop internal diameter of engine body, when the inner rotor shaft borehole jack of oil pump enters bent axle, the collar is sleeved on the bulge loop in concentric mode, and the oil pump assembling is positioned on the engine body.
Above-mentioned engine and the positioning device of oil pump have adopted the mode of concentric locating, can guarantee that the accurate fit of internal rotor axis hole of oil pump is positioned on the bent axle, reach preferably Assembly veracity.The technological scheme of this positioning device has solved the technical problem of alignment machine oil pump and engine, but, in the assembly process of oil pump and engine, also need by a plurality of bolts both to be fixed, this positioning device can not solve the technical problem higher to the position accuracy demand of mounting hole and tapped hole, and the structure of concentric locating mechanism is comparatively complicated, has increased manufacture cost.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of position structure of automobile engine oil pump, and the technical problem that the utility model solves is to make the assembling of oil pump and engine cylinder-body more convenient.
The purpose of this utility model can realize by following technical proposal: a kind of position structure of automobile engine oil pump, the position structure of this automobile engine oil pump is arranged between the pump housing of the cylinder body of motor and oil pump, the position structure of this automobile engine oil pump comprises the cotter pin that is arranged on the pump housing one end, have on the described cylinder body and above-mentioned cotter pin position and shape pin-and-hole one to one, be provided with the positioning component that the pump housing and cylinder body are connected between the other end of the described pump housing and the described cylinder body.
The assembly process of motor car engine with position structure of this oil pump is: be connected on the cylinder body of motor by the end of cotter pin with the pump housing first, the pump housing can rotate along the axial translation of cotter pin and along getting around a mouthful pin direction of axis line; Again the pump housing is rotated the cooperation position to positioning component, and by positioning component the pump housing is fixed on the cylinder body.In the assembly process of oil pump, can adjust the pump housing with respect to the relative position on the cotter pin axial and circumferential, make the assembling of oil pump more convenient.
In the position structure of above-mentioned automobile engine oil pump, described positioning component comprises the clip that is connected on the pump housing and the straight pin that is fixed on the cylinder body, and described clip can be set on the above-mentioned straight pin, is provided with lock bolt on the described clip.When being fixed to the pump housing on the cylinder body, first straight pin is fixed on the cylinder body, rotate the pump housing and make clip embrace the outer wall of straight pin, and make clip and straight pin location by lock bolt.
In the position structure of above-mentioned automobile engine oil pump, described clip has clamping lobe one and the clamping lobe two that is connected as a single entity with the pump housing, has the resigning hole one that passes for described lock bolt on the described clamping lobe one, has resigning hole two on the sidewall of described straight pin, have tapped hole one on the described clamping lobe two, and the center line of described resigning hole one, resigning hole two and tapped hole one can be on the same straight line.During installation, lock bolt can pass successively resigning hole one and resigning hole two and be screwed in the tapped hole one, and the space between clamping lobe one and the clamping lobe two is reduced until straight pin is locked; Adopt such means of fixation, can make the fixing more reliable of the pump housing and cylinder body, and easy for installation.
In the position structure of above-mentioned automobile engine oil pump, described straight pin is tubular, the bottom of described straight pin has step surface, has the tapped hole two of pegging graft for straight pin on the described cylinder body, and described straight pin is connected by fixing bolt and above-mentioned tapped hole.When straight pin was placed on the tapped hole two, step surface was resisted against on the exterior edge face of tapped hole two, and fixing bolt passes the straight pin of tubular and is screwed into that tapped hole two is interior to be fixed to straight pin on the cylinder body.
As another kind of scheme, in the position structure of above-mentioned automobile engine oil pump, described positioning component comprises the mounting hole that is positioned on the pump housing, is positioned at tapped hole three and connecting bolt on the cylinder body, and when the described pump housing around described cotter pin rotate can make described mounting hole and tapped hole three positions over against, described connecting bolt can pass above-mentioned mounting hole and be connected with tapped hole.When being fixed to the pump housing on the cylinder body, rotate position that the pump housing makes mounting hole on the pump housing and tapped hole three over against, by connecting bolt the pump housing and cylinder body are connected.
In the position structure of above-mentioned automobile engine oil pump, described pin-and-hole is two, the described pump housing is between two above-mentioned pin-and-holes, and the two ends of described cotter pin have respectively the inserted part, and above-mentioned inserted part can snap in respectively in the pin-and-hole of corresponding position.Cotter pin is arranged on the pump housing by transition fit, and the inserted part at cotter pin two ends is connected by interference fit and pin-and-hole; The pump housing has better stability by the end that cotter pin connects, and improves efficiency of assembling.
Compared with prior art, the position structure of this automobile engine oil pump has the following advantages:
1, the position structure of this automobile engine oil pump is connected on the cylinder body by the end of cotter pin with the pump housing of oil pump, and the pump housing makes the pump housing the other end and cylinder body fixing more convenient with respect to the degrees of freedom of cylinder body reservation along the translation of cotter pin direction of axis line and rotation.
2, the positioning component of the position structure of this automobile engine oil pump adopts the structure of clip chucking straight pin, reduces the status requirement of straight pin on cylinder body, saves cost of production.
3, the cotter pin of the position structure of this automobile engine oil pump is fixed to respectively pin-and-hole by the inserted part that is positioned at its two ends, and the pump housing has better stability by the end that cotter pin connects, and efficiency of assembling is high.
Description of drawings
Fig. 1 is the assembling schematic representation of the position structure of this automobile engine oil pump.
Fig. 2 is the structural representation of the oil pump pump housing.
Fig. 3 is the structural representation on another direction of the oil pump pump housing.
Among the figure, 1, the pump housing; 11, through hole; 2, clip; 21, the clamping lobe one; 211, resigning hole one; 22, the clamping lobe two; 3, cylinder body; 31, pin-and-hole; 4, cotter pin; 5, straight pin; 6, lock bolt; 7, fixing bolt.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one:
The position structure of this automobile engine oil pump is arranged between the pump housing 1 of the cylinder body 3 of motor and oil pump, is used for making the fixing more convenient of the pump housing 1 and cylinder body 3.The position structure of this automobile engine oil pump comprises cotter pin 4, pin-and-hole 31 and positioning component.
Specifically, as shown in Figure 1, pin-and-hole 31 is opened on the cylinder body 3.In the present embodiment, the quantity of pin-and-hole 31 is two, and the center line of two pin-and-holes 31 is on same straight line.The pump housing 1 can be placed between two pin-and-holes 31, has the through hole 11 that passes for cotter pin 4 on the pump housing 1.The two ends of cotter pin 4 have respectively the inserted part, and the inserted part is the cirque structure with opening.During installation, shrink under pressure the inserted part, and after the pin-and-hole 31 of packing into was interior, opened on the inwall that is stuck in pin-and-hole 31 inserted part, and inserted part and pin-and-hole 31 are interference fit, and cotter pin 4 is transition fit with through hole 11.The pump housing 1 can also can get around along the direction of axis line translation of cotter pin 4 a mouthful pin shaft axis and rotate.
As shown in Figure 1, positioning component is arranged between the other end and cylinder body 3 of the pump housing 1, is used for making the pump housing 1 and cylinder body 3 to be connected.Positioning component comprises clip 2, straight pin 5, lock bolt 6 and fixing bolt 7.Straight pin 5 is tubular, the bottom has step surface, has tapped hole two on the cylinder body 3, and straight pin 5 can be plugged in the tapped hole, step surface is resisted against on the exterior edge face of tapped hole two, and fixing bolt 7 passes straight pin 5 and is screwed into that tapped hole two is interior to be fixed to straight pin 5 on the cylinder body 3.
As shown in Figures 2 and 3, in the present embodiment, clip 2 adopts integral structure with the pump housing 1, and clip 2 has clamping lobe 1 and clamping lobe 2 22, and when clip 2 was set on the straight pin 5, clamping lobe 1 and clamping lobe 2 22 can be embraced the outer wall of straight pin 5.Have resigning hole 1 on the clamping lobe 1, have resigning hole two on the sidewall of straight pin 5, have tapped hole one on the clamping lobe 2 21, and the center line of resigning hole 1, resigning hole two and tapped hole one can be on the same straight line.During installation, lock bolt 6 passes successively resigning hole 1 and resigning hole two and is screwed in the tapped hole one, and the space between clamping lobe 1 and the clamping lobe 2 22 is reduced until with straight pin 5 lockings.
The assembly process of motor car engine with position structure of this oil pump is: be connected on the cylinder body 3 of motor by the end of cotter pin 4 with the pump housing 1 first; At this moment, the pump housing 1 can along cotter pin 4 move axially and along rotating around cotter pin 4 direction of axis line; Be plugged in the tapped hole two straight pin 5 also fixing by fixing bolt 7; Rotate the pump housing 1 along cotter pin 4 direction of axis line again, clip 2 is enclosed within on the straight pin 5, by bolt-locking clip 2 and straight pin 5 are connected, the pump housing 1 of oil pump is fixed on the cylinder body 3 of motor.
Embodiment two:
Technological scheme among technological scheme in the present embodiment and the embodiment in one is basic identical, difference is in the present embodiment, positioning component comprises the mounting hole that is positioned on the pump housing 1, is positioned at tapped hole three and connecting bolt on the cylinder body 3, when being fixed to the pump housing 1 on the cylinder body 3, rotate position that the pump housing 1 makes mounting hole on the pump housing 1 and tapped hole three over against, connecting bolt is passed mounting hole and be screwed in the tapped hole three, the pump housing 1 and cylinder body 3 are fixed together.Such setting has advantage simple in structure, that cost of production is lower.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more used the terms such as the pump housing 1, clip 2, clamping lobe 1, clamping lobe 2 22, cylinder body 3, pin-and-hole 31, cotter pin 4, straight pin 5, lock bolt 6, fixing bolt 7, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (6)
1. the position structure of an automobile engine oil pump, the position structure of this automobile engine oil pump is arranged between the pump housing (1) of the cylinder body (3) of motor and oil pump, it is characterized in that, the position structure of this automobile engine oil pump comprises the cotter pin (4) that is arranged on the pump housing (1) one end, have on the described cylinder body (3) and above-mentioned cotter pin (4) position and shape pin-and-hole (31) one to one, be provided with the positioning component that the pump housing (1) and cylinder body (3) are connected between the other end of the described pump housing (1) and the described cylinder body (3).
2. the position structure of automobile engine oil pump according to claim 1, it is characterized in that, described positioning component comprises the clip (2) that is connected on the pump housing (1) and is fixed on straight pin (5) on the cylinder body (3), described clip (2) can be set on the above-mentioned straight pin (5), is provided with lock bolt (6) on the described clip (2).
3. the position structure of automobile engine oil pump according to claim 2, it is characterized in that, described clip (2) has clamping lobe one (21) and the clamping lobe two (22) that is connected as a single entity with the pump housing (1), has the resigning hole one (211) that passes for described lock bolt (6) on the described clamping lobe one (21), has resigning hole two on the sidewall of described straight pin (5), have tapped hole one on the described clamping lobe two (22), and the center line of described resigning hole one (211), resigning hole two and tapped hole one can be on the same straight line.
4. according to claim 2 or the position structure of 3 described automobile engine oil pumps, it is characterized in that, described straight pin (5) is tubular, the bottom of described straight pin (5) has step surface, have the tapped hole two of pegging graft for straight pin (5) on the described cylinder body (3), described straight pin (5) is connected by fixing bolt (7) and above-mentioned tapped hole.
5. the position structure of automobile engine oil pump according to claim 1, it is characterized in that, described positioning component comprises the mounting hole that is positioned on the pump housing (1), is positioned at tapped hole three and connecting bolt on the cylinder body (3), and when the described pump housing (1) around described cotter pin (4) rotate can make described mounting hole and tapped hole three positions over against, described connecting bolt can pass above-mentioned mounting hole and be connected with tapped hole.
6. according to claim 1 and 2 or the position structure of 3 described automobile engine oil pumps, it is characterized in that, described pin-and-hole (31) is two, the described pump housing (1) is positioned between above-mentioned two pin-and-holes (31), and the two ends of described cotter pin (4) have respectively the inserted part, and above-mentioned inserted part can snap in respectively in the pin-and-hole (31) of corresponding position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220316059 CN202673391U (en) | 2012-06-29 | 2012-06-29 | Locating structure of oil pump of automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220316059 CN202673391U (en) | 2012-06-29 | 2012-06-29 | Locating structure of oil pump of automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202673391U true CN202673391U (en) | 2013-01-16 |
Family
ID=47494301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220316059 Expired - Fee Related CN202673391U (en) | 2012-06-29 | 2012-06-29 | Locating structure of oil pump of automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202673391U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108603424A (en) * | 2015-10-29 | 2018-09-28 | 康明斯公司 | The biplane attachment of slide-and-guide interface is installed |
-
2012
- 2012-06-29 CN CN 201220316059 patent/CN202673391U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108603424A (en) * | 2015-10-29 | 2018-09-28 | 康明斯公司 | The biplane attachment of slide-and-guide interface is installed |
| CN108603424B (en) * | 2015-10-29 | 2019-10-15 | 康明斯公司 | The biplane attachment of slide-and-guide interface is installed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20130629 |