CN204253365U - Become displacement oil pump cam ring - Google Patents
Become displacement oil pump cam ring Download PDFInfo
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- CN204253365U CN204253365U CN201420734728.2U CN201420734728U CN204253365U CN 204253365 U CN204253365 U CN 204253365U CN 201420734728 U CN201420734728 U CN 201420734728U CN 204253365 U CN204253365 U CN 204253365U
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- hole
- flat
- concave station
- cam ring
- flat hole
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Abstract
The utility model discloses and a kind of become displacement oil pump cam ring, it adopts powdered metallurgical material by the once compressing monolithic construction of powder metallurgy die; On body, be wherein provided with the center hole of ovalize; A circular locating openings, a flat positioning hole is provided with symmetrically in the minor axis direction of center hole; Flat hole I and flat hole II are symmetricly set on body; On the inner side end of center hole, flat hole concave station I, flat hole concave station II is respectively arranged with in flat hole I, flat hole II; Concave station I and concave station II, oil duct I and oil duct II are symmetricly set on the upper and lower end face of body respectively, and an oil duct is between a concave station and a flat hole.The utility model processing technology is simple, and save a large amount of raw material, work efficiency is high, and cost is low, is applicable to produce in enormous quantities, and constant product quality, precision are high, high conformity; Lighter in weight, reduces the weight using vehicle, reduces oil consumption, reach the object of energy-saving and emission-reduction.
Description
Technical field
The utility model relates to technical field of automobile parts, specifically relates to a kind of change displacement oil pump cam ring.
Background technique
Existing change displacement oil pump cam ring is machined piece, is to adopt high-quality high-purity carbon steel to be raw material, by machine flinishing.The deficiency existed is as follows: owing to becoming displacement oil pump cam ring complex structure, cause its process for machining complicated, operation is many, and expense of taking a lot of work is expected, needs a large amount of machining equipments and machining period, operator's labor intensity is large, processing cost is high, and manufacturing efficiency is low, and processed product precision is low, be unsuitable for producing in enormous quantities, the machining accuracy of product and the stability of quality of product and conformity can not be ensured.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of change displacement oil pump cam ring that can overcome above-mentioned deficiency, and it is by powder metallurgical technique and the once compressing monolithic construction of powder metallurgy forming mould by powdered metallurgical material; Which raises stock utilization and manufacturing efficiency, simplify manufacturing procedure, reduce processing cost, be applicable to produce in enormous quantities, and the steady quality of product, machining accuracy is high, high conformity.
In order to solve the problems of the technologies described above, the utility model takes following technological scheme:
Become displacement oil pump cam ring, it adopts powdered metallurgical material by the once compressing monolithic construction of powder metallurgy die; Comprise body, center hole, a pair positioning hole, oil duct I and oil duct II, flat hole I and flat hole concave station I, flat hole II and flat hole concave station II, concave station I and concave station II, wherein:
Body is provided with the center hole of ovalize; Be provided with a pair positioning hole symmetrically in the minor axis direction of center hole, the line of centres of this pair positioning hole is through the center of center hole; This pair positioning hole is a circular locating openings, a flat positioning hole respectively;
Flat hole I and flat hole II are a pair, and the two is symmetricly set on body, and between the symmetry center line in this flat hole I and flat hole II and the line of centres of a pair positioning hole, shape has angle; On the inner side end of center hole, be provided with flat hole concave station I in flat hole I, on the inner side end of center hole, be provided with flat hole concave station II in flat hole II;
Concave station I and concave station II are a pair, are symmetricly set on the upper and lower end face of body;
Oil duct I and oil duct II are a pair, are symmetricly set on the upper and lower end face of body, and an oil duct is between a concave station and a flat hole.
Described body 1 is loop configuration, and its profile is rounded, shape ovalize in it.
The upper-end surface of described body is provided with mark.
Described circular locating openings is a step hole, is to be formed by connecting by a circular macropore and a circular aperture; Circular macropore and circular aperture are cylindrical bore, and the aperture of circular large boring ratio circular aperture is large.
The jointing place of described circular aperture and body lower end surface is provided with chamfering α=0o ~ 60o.
Described flat positioning hole is a step hole, is to be formed by connecting by a flat aperture and a conical macropore; Flat aperture is flat endoporus, and conical macropore is tapered bore, and the aperture of conical large boring ratio flat aperture is large.
The jointing place of described flat aperture and body lower end surface is provided with chamfering α=0o ~ 60o.
The arc shaped surface of to be radius be the joint between flat hole I with flat hole concave station I R is connected, and the arc shaped surface that the joint between flat hole II with flat hole concave station II is also R for radius is connected.
Chamfering γ=0o ~ 30o is provided with in the exterior bottom of concave station I and concave station II; Axial pattern draft β=0o ~ 15o is provided with at the side wall surface of concave station I and concave station II.
Described oil duct I and oil duct II are in in-line, and each oil duct above-mentioned is provided with three oil outlets, this oil outlet outwardly uncovered.
Compared with the prior art the utility model, has following beneficial effect:
It is be applied to the precision parts on car motor that the utility model becomes displacement oil pump cam ring.It is by powder metallurgical technique and the once compressing monolithic construction of powder metallurgy forming mould by powdered metallurgical material; Its processing technology is simple, and operation is few, and save a large amount of raw material, work efficiency is high, and cost is low, is applicable to produce in enormous quantities, and constant product quality, precision are high, high conformity.
With existing quality carbon steel by compared with the change displacement oil pump cam ring of machining, the utility model becomes displacement oil pump cam ring under the prerequisite meeting usage requirement, lighter in weight, thus reduces the weight using vehicle, and then reduce oil consumption, reach the object of energy-saving and emission-reduction.
Accompanying drawing explanation
Fig. 1 is the plan view becoming displacement oil pump cam ring;
Fig. 2 is the sectional view of Fig. 1 along M-M line direction;
Fig. 3 is the rear view of Fig. 1;
Fig. 4 is the sectional view along L-L line direction in Fig. 3;
Fig. 5 is the sectional view of Fig. 1 along P-P line direction;
Fig. 6 is the sectional view of Fig. 1 along O-O line direction.
Part description in Fig. 1-Fig. 6:
1, body; 1-1, mark; 1-2, oil duct I; 1-3, oil duct II; 1-4, flat hole I; 1-5, flat hole II; 1-6, flat hole concave station I; 1-7, flat hole concave station II;
2, center hole;
3, concave station I;
4, concave station II;
5, circular locating openings; 5-1, circular aperture; 5-2, circular macropore;
6, flat positioning hole; 6-1, flat aperture; 4-2, conical macropore.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Represented by Fig. 1-Fig. 6 is become displacement oil pump cam ring, hereinafter referred to as cam ring.This cam ring is by the once compressing monolithic construction of powder metallurgy die by powdered metallurgical material.
As Figure 1-Figure 4, this cam ring comprises body 1, center hole 2, mark 1-1, a pair positioning hole, oil duct I 1-2 and oil duct II 1-3, flat hole I 1-4 and flat hole concave station I 1-6, flat hole II 1-5 and flat hole concave station II 1-7, concave station I 3 and concave station II 4, wherein:
As shown in Figure 1, Figure 3, body 1 is loop configuration, and its profile is rounded, shape ovalize in it.The upper-end surface of body 1 is provided with mark 1-1.This mark 1-1 is for distinguishing upper and lower end face.
Body 1 is provided with the center hole 2 of ovalize.The effect of center hole 2 is: during assembling, can match with bladed rotor.
As shown in Figure 1-Figure 3, be provided with a pair positioning hole symmetrically in the minor axis direction of oval center hole 2, the line of centres of this pair positioning hole is through the center of center hole 2.This pair positioning hole is circular locating openings 5, flat positioning hole 6 respectively; Wherein:
This circular locating openings 5 is a step hole, is to be formed by connecting by a circular aperture 5-1 and a circular macropore 5-2.Chamfering α=0o ~ 60o is provided with in the jointing place of circular aperture 5-1 and body lower end surface.Circular macropore 5-2 and circular aperture 5-1 is cylindrical bore, and circular macropore 5-2 is larger than the aperture of circular aperture 5-1.
This flat positioning hole 6 is also a step hole, is to be formed by connecting by a flat aperture 6-1 and a conical macropore 6-2; Chamfering α=0o ~ 60o is provided with in the jointing place of flat aperture 6-1 and body lower end surface.Flat aperture 6-1 is flat endoporus, and conical macropore 6-2 is tapered bore, and conical macropore 6-2 is larger than the aperture of flat aperture 6-1.
A pair positioning hole respectively with a pair detent fit, play the role of positioning during assembling; The inner mold of this positioning hole and the external form of locating stud match.
As shown in Fig. 1, Fig. 3, Fig. 5, Fig. 6, flat hole I 1-4 and flat hole II 1-5 is a pair, the two is symmetricly set on body 1, and between the symmetry center line of this flat hole I 1-4 and flat hole II 1-5 and the line of centres of a pair positioning hole, shape has angle, and this angle is 10o ~ 45o.On the inner side end of center hole 2, be provided with flat hole concave station I 1-6 at flat hole I 1-4, on the inner side end of center hole 2, be provided with flat hole concave station II 1-7 at flat hole II 1-5.The arc shaped surface of to be radius be the joint between flat hole I 1-4 with flat hole concave station I 1-6 R is connected, and the arc shaped surface that the joint between annular flat hole II 1-5 with flat hole concave station II 1-7 is also R for radius is connected.
As shown in Figure 1, Figure 3, oil duct I 1-2 and oil duct II 1-3 is a pair, in in-line, is symmetricly set on the upper and lower end face of body 1.Each oil duct above-mentioned is provided with three oil outlets, oil outlet outwardly uncovered.
As Figure 1-Figure 4, concave station I 3 and concave station II 4 are a pair, are symmetricly set on the upper and lower end face of body 1.Chamfering γ=0o ~ 30o is provided with in the exterior bottom of concave station I 3 and concave station II 4.Axial pattern draft β=0o ~ 15o is provided with at the side wall surface of concave station I 3 and concave station II 4.The effect of above-mentioned a pair concave station is: when cam of injection pump ring and oil pump side plate assemble, use as filler opening.
In a word, the upper and lower end-face structure of body 1 is except mark 1-1, a pair positioning hole, and all the other structures are and are symmetrical arranged.A concave station, an oil duct, a flat hole and flat hole concave station is respectively arranged with in the left and right sides of a pair positioning hole line of centres; And an oil duct is between a concave station and a flat hole.
Working principle of the present utility model is:
The utility model becomes displacement oil pump cam ring and is mainly used on car motor.When cam ring is installed in oil pump carrier, cam ring external diameter and pump case minor diameter fit.With cam ring upper-end surface and the pump case bottom surface of mark 1-1, the cam ring lower end surface not marking 1-1 coordinates with oil pump side plate.By coordinating of a pair locating stud and a pair positioning hole, realize oil pump side plate, connection between cam ring and oil pump carrier three.The center hole 2 of cam ring coordinates with bladed rotor.When cam ring and oil pump side plate assemble, a pair concave station uses as filler opening, and a pair flat Kong Yubian hole concave station uses as oil outlet, and a pair oil duct is used for selflubricating.
Claims (10)
1. become displacement oil pump cam ring, it is characterized in that,
A, it adopts powdered metallurgical material by the once compressing monolithic construction of powder metallurgy die;
B, comprise body (1), center hole (2), a pair positioning hole (6), oil duct I (1-2) and oil duct II (1-3), flat hole I (1-4) and flat hole concave station I (1-6), flat hole II (1-5) and flat hole concave station II (1-7), concave station I (3) and concave station II (4), wherein:
C, on body (1), be provided with the center hole (2) of ovalize;
D, be provided with a pair positioning hole symmetrically in the minor axis direction of center hole (2), the line of centres of this pair positioning hole is through the center of center hole (2); This pair positioning hole is a circular locating openings (5), a flat positioning hole (6) respectively;
E, flat hole I (1-4) and flat hole II (1-5) are a pair, and the two is symmetricly set on body 1; Between the symmetry center line in this flat hole I (1-4) and flat hole II (1-5) and the line of centres of a pair positioning hole, shape has angle; On the inner side end of center hole (2), be provided with flat hole concave station I (1-6) flat hole I (1-4), on the inner side end of center hole (2), be provided with flat hole concave station II (1-7) flat hole II (1-5);
F, concave station I (3) and concave station II (4) are a pair, are symmetricly set on the upper and lower end face of body;
G, oil duct I (1-2) and oil duct II (1-3) are a pair, are symmetricly set on the upper and lower end face of body, and an oil duct is between a concave station and a flat hole.
2. change displacement oil pump cam ring as claimed in claim 1, it is characterized in that, described body (1) is loop configuration, and its profile is rounded, shape ovalize in it.
3. change displacement oil pump cam ring as claimed in claim 1 or 2, it is characterized in that, the upper-end surface of described body (1) is provided with mark (1-1).
4. change displacement oil pump cam ring as claimed in claim 3, it is characterized in that, described circular locating openings (5) is a step hole, is to be formed by connecting by a circular aperture (5-1) and a circular macropore (5-2); Circular aperture (5-1) and circular macropore (5-2) are cylindrical bore, and circular macropore (5-2) is larger than the aperture of circular aperture (5-1).
5. change displacement oil pump cam ring as claimed in claim 4, it is characterized in that, described circular aperture (5-1) is provided with chamfering α=0o ~ 60o with the jointing place of body lower end surface.
6. change displacement oil pump cam ring as claimed in claim 5, it is characterized in that, described flat positioning hole (6) is a step hole, is to be formed by connecting by a flat aperture (6-1) and a conical macropore (6-2); Flat aperture (6-1) is flat endoporus, and conical macropore (6-2) is tapered bore, and conical macropore (6-2) is larger than the aperture of flat aperture (6-1).
7. change displacement oil pump cam ring as claimed in claim 6, it is characterized in that, described flat aperture (6-1) is provided with chamfering α=0o ~ 60o with the jointing place of body lower end surface.
8. change displacement oil pump cam ring as claimed in claim 7, it is characterized in that, the arc shaped surface of to be radius in flat hole I (1-4) and the joint between flat hole concave station I (1-6) be R is connected, and the arc shaped surface being also R for radius in flat hole II (1-5) and the joint between flat hole concave station II (1-7) is connected.
9. change displacement oil pump cam ring as claimed in claim 8, is characterized in that, be provided with chamfering γ=0o ~ 30o in the exterior bottom of concave station I (3) and concave station II (4); Axial pattern draft β=0o ~ 15o is provided with at the side wall surface of concave station I (3) and concave station II (4).
10. as claimed in claim 9 become displacement oil pump cam ring, it is characterized in that, described oil duct I (1-2) and oil duct II (1-3) are in in-line, and each oil duct above-mentioned is provided with three oil outlets, this oil outlet outwardly uncovered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420734728.2U CN204253365U (en) | 2014-12-01 | 2014-12-01 | Become displacement oil pump cam ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420734728.2U CN204253365U (en) | 2014-12-01 | 2014-12-01 | Become displacement oil pump cam ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204253365U true CN204253365U (en) | 2015-04-08 |
Family
ID=52957681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420734728.2U Active CN204253365U (en) | 2014-12-01 | 2014-12-01 | Become displacement oil pump cam ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204253365U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100839A (en) * | 2017-06-09 | 2017-08-29 | 湖南机油泵股份有限公司 | A kind of inner housing for being used to be arranged in the rotor-type oil pump pump housing |
-
2014
- 2014-12-01 CN CN201420734728.2U patent/CN204253365U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100839A (en) * | 2017-06-09 | 2017-08-29 | 湖南机油泵股份有限公司 | A kind of inner housing for being used to be arranged in the rotor-type oil pump pump housing |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |