CN205226855U - Oil pump and assembly jig of idler be equipped with - Google Patents
Oil pump and assembly jig of idler be equipped with Download PDFInfo
- Publication number
- CN205226855U CN205226855U CN201521051606.4U CN201521051606U CN205226855U CN 205226855 U CN205226855 U CN 205226855U CN 201521051606 U CN201521051606 U CN 201521051606U CN 205226855 U CN205226855 U CN 205226855U
- Authority
- CN
- China
- Prior art keywords
- idler
- hole
- locating stud
- idle pulley
- pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- General Details Of Gearings (AREA)
Abstract
The utility model provides a processing cost is hanged down and is just fixed a position the efficient oil pump that is equipped with the idler, including the pump body, main shaft, pump oil gear, pump cover, drive gear, idler, idler shaft, holding screw, pump oil gear and drive gear install on the main shaft, the idler is installed at sui's wheel epaxially, be equipped with a through -hole on the idler shaft, holding screw passes the epaxial through -hole of idler and installs the idler shaft on the pump cover, holding screw with be equipped with 1mm -2.5mm's clearance between the pore wall of through -hole. The utility model provides an idler assembly jig for assembling this kind of oil pump. Owing to has cancelled locating pin (hole) structure of idler, has made the cost reduce by a wide margin, simultaneously owing to be equipped with certain clearance between the pore wall at holding screw and idler shaft through -hole, it can freely remove by in certain extent just so to enable sui's shaft, when treating that the idler shaft removes suitable position, alright screw up holding screw, fix the idler shaft on the pump cover.
Description
Technical field
The utility model relates to a kind of engine oil pump of internal combustion engine, particularly a kind of oil pump that idle pulley is housed, and a kind of idle pulley assembly fixture for assembling this oil pump.
Background technique
In the oil pump of some gear drive, due to the relation of position, generally all can increase an idle pulley, come jack connection oil pump driving gear and motor-driven gear, ensure suitable velocity ratio.And idle pulley is all generally positioned by locating stud (hole), to ensure the back lash between the mounting point of idle pulley and gear.This structure is high for requirement on machining accuracy, and cost is also higher, and due to the accumulation of each dimensional chain error, Sui's wheel is not very desirable with the back lash of coupling gear after installing.
Model utility content
The technical problems to be solved in the utility model is to provide the low and oil pump that idle pulley is housed that location efficiency is high of a kind of processing cost; Another technical problem to be solved in the utility model is to provide a kind of idle pulley assembly fixture for assembling this oil pump.
For solving the problems of the technologies described above, the utility model about the technological scheme of the oil pump that idle pulley is housed is: a kind of oil pump that idle pulley is housed, comprise the pump housing, main shaft, pump oilgear, pump cover, driving gear, idle pulley, idler shaft, Cock screw, described pump oilgear and driving gear are arranged on main shaft, described idle pulley is arranged on Sui's wheel shaft, described idler shaft is provided with a through hole, idler shaft is arranged on pump cover through the through hole on idler shaft by described Cock screw, is provided with the gap of 1mm-2.5mm between the hole wall of described Cock screw and described through hole.
In technique scheme, owing to eliminating locating stud (hole) structure of idle pulley, cost is significantly reduced; Simultaneously owing to being provided with certain gap between Cock screw and the hole wall of idler shaft through hole, can move freely within the specific limits with regard to Neng Shi Sui wheel shaft like this, when idler shaft moves to suitable position, just can tighten Cock screw, idler shaft is fixed on pump cover.
Preferably, the gap of 2mm is provided with between the hole wall of described Cock screw and described through hole.
Preferably, described through hole is counterbore.
Preferably, described Cock screw is socket head screw.
The utility model for assembling the technological scheme of the idle pulley assembly fixture of above-mentioned oil pump is: a kind of idle pulley assembly fixture, comprise the first locating stud, the second locating stud and the 3rd locating stud, and head rod and the second connecting rod, described first locating stud is connected by head rod with the second locating stud, described second locating stud is connected by the second connecting rod with the 3rd locating stud, and described head rod and the second connecting rod can rotate around the second locating stud; The centre distance of described first locating stud and the second locating stud equals the centre distance of transmission gear of engine oil pump and idle pulley, and the centre distance of described second locating stud and the 3rd locating stud equals the centre distance of oil pump idle pulley and motor-driven gear.
The using method of this idle pulley assembly fixture is: first do not tightened by Cock screw, idler shaft and idle pulley can be moved freely within the specific limits, then by the central shaft hole of the first locating stud insertion machine oil pump main shaft, second locating stud is inserted the central shaft hole of idler shaft, again the 3rd locating stud is inserted the center hole of motor-driven gear, this completes and idle pulley is accurately located, finally Cock screw is tightened, idler shaft is fixed on pump cover.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that the oil pump of idle pulley is housed of the present utility model;
Fig. 2 is structure and the scheme of installation of idle pulley assembly fixture of the present utility model;
Reference character is:
10---oil pump 11---the pump housing 12---main shaft 13---pump oilgears
14---pump cover 15---driving gear 16---idle pulley 17---idler shafts
18---Cock screw 19---through hole
12a---central shaft hole 17a of the main shaft---central shaft hole of idler shaft
20---motor-driven gear 20a---center hole of motor-driven gear
30---idle pulley assembly fixture 31---first locating stud 32---the second locating studs
33---the 3rd locating stud 34---head rod 35---the second connecting rods.
Embodiment
A kind of oil pump that idle pulley is housed as shown in Figure 1, comprise the pump housing 11, main shaft 12, pump oilgear 13, pump cover 14, driving gear 15, idle pulley 16, idler shaft 17, Cock screw 18, described pump oilgear 13 and driving gear 15 are arranged on main shaft 12, described idle pulley 17 is arranged on Sui's wheel shaft 17, described idler shaft 17 is provided with a through hole 19, idler shaft 17 is arranged on pump cover 14 through the through hole 19 on idler shaft 17 by described Cock screw 18, is provided with the gap of 1mm-2.5mm between described Cock screw 18 and the hole wall of described through hole 19.
Preferably, the gap of 2mm is provided with between described Cock screw 18 and the hole wall of described through hole 19.
Preferably, described through hole 19 is counterbore.
Preferably, described Cock screw 18 is socket head screw.
As shown in Figure 2, figure comprises oil pump 10, motor-driven gear 20, idle pulley assembly fixture 30, described idle pulley assembly fixture 30 comprises the first locating stud 31, second locating stud 32 and the 3rd locating stud 33, and head rod 34 and the second connecting rod 35, described first locating stud 31 is connected by head rod 34 with the second locating stud 32, described second locating stud 32 is connected by the second connecting rod 35 with the 3rd locating stud 33, and described head rod 34 and the second connecting rod 35 can rotate around the second locating stud 32; The centre distance of described first locating stud 31 and the second locating stud 32 equals the centre distance of transmission gear of engine oil pump 15 and idle pulley 16, and the centre distance of described second locating stud 32 and the 3rd locating stud 33 equals the centre distance of oil pump idle pulley 16 and motor-driven gear 20.
As shown in Figure 2, the using method of this idle pulley assembly fixture 30 is: first do not tightened by Cock screw 19, idler shaft 17 and idle pulley 16 can be moved freely within the specific limits, then by the central shaft hole 12a of the first locating stud 31 insertion machine oil pump main shaft, second locating stud 32 is inserted the central shaft hole 17a of idler shaft, again the 3rd locating stud 33 is inserted the center hole 21 of motor-driven gear 20, this completes and idle pulley 16 is accurately located, finally Cock screw 19 is tightened, idler shaft 17 is fixed on pump cover 14.
Above-described embodiment is the utility model preferably implementation, and in addition, the utility model can also realize by alternate manner, and under the prerequisite not departing from the technical program design, any apparent replacement is all within protection domain of the present utility model.
The improvements of the utility model relative to prior art are understood more easily in order to allow those of ordinary skill in the art, accompanying drawings more of the present utility model and description are simplified, and for the sake of clarity, present specification is omitted some other elements, and those of ordinary skill in the art it is to be appreciated that these abridged elements also can form content of the present utility model.
Claims (5)
1. one kind is equipped with the oil pump of idle pulley, it is characterized in that: comprise the pump housing, main shaft, pump oilgear, pump cover, driving gear, idle pulley, idler shaft, Cock screw, described pump oilgear and driving gear are arranged on main shaft, described idle pulley is arranged on Sui's wheel shaft, described idler shaft is provided with a through hole, idler shaft is arranged on pump cover through the through hole on idler shaft by described Cock screw, is provided with the gap of 1mm-2.5mm between the hole wall of described Cock screw and described through hole.
2. the oil pump that idle pulley is housed according to claim 1, is characterized in that: the gap being provided with 2mm between the hole wall of described Cock screw and described through hole.
3. the oil pump that idle pulley is housed according to claim 1 and 2, is characterized in that: described through hole is counterbore.
4. the oil pump that idle pulley is housed according to claim 3, is characterized in that: described Cock screw is socket head screw.
5. one kind for the idle pulley assembly fixture that the oil pump of idle pulley is housed according to claim 1, it is characterized in that: comprise the first locating stud, the second locating stud and the 3rd locating stud, and head rod and the second connecting rod, described first locating stud is connected by head rod with the second locating stud, described second locating stud is connected by the second connecting rod with the 3rd locating stud, and described head rod and the second connecting rod can rotate around the second locating stud; The centre distance of described first locating stud and the second locating stud equals the centre distance of transmission gear of engine oil pump and idle pulley, and the centre distance of described second locating stud and the 3rd locating stud equals the centre distance of oil pump idle pulley and motor-driven gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521051606.4U CN205226855U (en) | 2015-12-16 | 2015-12-16 | Oil pump and assembly jig of idler be equipped with |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521051606.4U CN205226855U (en) | 2015-12-16 | 2015-12-16 | Oil pump and assembly jig of idler be equipped with |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205226855U true CN205226855U (en) | 2016-05-11 |
Family
ID=55901921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521051606.4U Withdrawn - After Issue CN205226855U (en) | 2015-12-16 | 2015-12-16 | Oil pump and assembly jig of idler be equipped with |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205226855U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423106A (en) * | 2015-12-16 | 2016-03-23 | 湖南机油泵股份有限公司 | Engine oil pump provided with idle wheel, and assembly fixture |
| CN108180170A (en) * | 2018-01-30 | 2018-06-19 | 河南省西峡汽车水泵股份有限公司 | A kind of method for installing cover board |
| CN111764983A (en) * | 2020-08-12 | 2020-10-13 | 湖南机油泵股份有限公司 | External oil pump with idle gear |
-
2015
- 2015-12-16 CN CN201521051606.4U patent/CN205226855U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423106A (en) * | 2015-12-16 | 2016-03-23 | 湖南机油泵股份有限公司 | Engine oil pump provided with idle wheel, and assembly fixture |
| CN105423106B (en) * | 2015-12-16 | 2017-08-25 | 湖南机油泵股份有限公司 | A kind of lubricating oil pump and assembling jig equipped with idle pulley |
| CN108180170A (en) * | 2018-01-30 | 2018-06-19 | 河南省西峡汽车水泵股份有限公司 | A kind of method for installing cover board |
| CN111764983A (en) * | 2020-08-12 | 2020-10-13 | 湖南机油泵股份有限公司 | External oil pump with idle gear |
| CN111764983B (en) * | 2020-08-12 | 2024-05-03 | 湖南机油泵股份有限公司 | External oil pump with idler gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160511 Effective date of abandoning: 20170825 |
|
| AV01 | Patent right actively abandoned |