CN210194163U

CN210194163U - Sewing machine oil pump

Info

Publication number: CN210194163U
Application number: CN201920998477.1U
Authority: CN
Inventors: Wenfeng Chi; 迟文峰
Original assignee: Qingdao Jinlei Clothing Co Ltd
Current assignee: Qingdao Jinlei Clothing Co Ltd
Priority date: 2019-06-29
Filing date: 2019-06-29
Publication date: 2020-03-27
Anticipated expiration: 2029-06-29

Abstract

The utility model discloses a sewing machine oil pump, including the oil pump main part, the left side at oil pump main part top is provided with the oil-out, the left side of oil pump main part bottom is provided with the oil inlet, the inside of first oil sump is provided with the baffle, logical hydraulic fluid port has been seted up to the left bottom of baffle, the middle part welding on valve block right side has the chock, the middle part cover of chock is equipped with first rubber circle, it has second rubber circle to inlay on the inner wall of logical hydraulic fluid port left end, the right-hand second oil sump that is provided with of oil pipe, the internally mounted of second oil sump has the filter screen, the oil absorption head has been seted up to the bottom of second oil sump. The utility model discloses filter lubricating oil, prevent that impurity from stopping inside the oil pump main part, the effectual life who improves the oil pump main part to prevent the inside lubricating oil backward flow in first oil sump, the inside suction efficiency when being full of lubricating oil can increase the oil pump main part and open of oil pump main part.

Description

Sewing machine oil pump

Technical Field

The utility model relates to a sewing machine technical field specifically is a sewing machine oil pump.

Background

The sewing machine oil pump is used for forcibly pressing and conveying engine oil to the motion surfaces of various parts of an engine after the engine oil is increased to a certain pressure, the sewing machine oil pump can be divided into a gear type oil pump and a rotor type oil pump, the gear type oil pump is divided into an internal gear type oil pump and an external gear type oil pump, the latter are generally called gear type oil pumps, most sewing machine oil pumps are gear type oil pumps, when the conventional sewing machine oil pump sucks oil in an oil box for storing oil, impurities in the stored oil are generally sucked out together, and blockage is caused in a pump body.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewing machine oil pump to when solving the current sewing machine oil pump that provides among the above-mentioned background art and inhaling the oil storage in the oil box, generally can be with the same suction of impurity in the middle of the oil storage, cause the problem of jam inside the pump body.

In order to achieve the above object, the utility model provides a following technical scheme: a sewing machine oil pump comprises an oil pump main body, wherein an oil outlet is formed in the left side of the top of the oil pump main body, an oil inlet is formed in the left side of the bottom of the oil pump main body, a first oil bin is sleeved at the bottom end of the oil inlet, a partition plate is arranged inside the first oil bin, the edge of the partition plate is welded and fixed to the inner wall of the first oil bin, an oil through hole is formed in the left bottom of the partition plate, a valve block is arranged on the left side of the oil through hole, a plug block is welded in the middle of the right side of the valve block and inserted inside the oil through hole, a first rubber ring is sleeved in the middle of the plug block, a second rubber ring is embedded in the inner wall of the left end of the oil through hole, a first oil through head is arranged in the middle of the right side of the first oil bin, the right end of the first oil through head is communicated with one end of an oil pipe, a, the right-hand member and the second oil head of leading of oil pipe are linked together, the internally mounted of second oil storehouse has the filter screen, and the edge and the second oil storehouse bottom inner wall fixed connection of filter screen bottom, oil absorption head has been seted up to the bottom of second oil storehouse.

Preferably, the inner wall of the first oil bin, which is attached to the oil inlet, is embedded with a sealing ring in an annular shape.

Preferably, the edge on the left side of the valve plate is in an annular shape and is uniformly welded with a spring, and the other end of the spring is fixedly welded with the partition plate.

Preferably, the right end of chock is the toper structure, the inner wall that leads to the hydraulic fluid port left end is the toper structure of mutually supporting with the chock.

Preferably, the right side of the first rubber ring is attached to the left side of the second rubber ring.

Preferably, the filter screen is of a conical structure.

Preferably, the middle part of the top end of the filter screen is welded and fixed with the bottom end of the support frame, and the top end of the support frame is welded and fixed with the inner wall of the second oil bin.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a be provided with the filter screen, after the oil pump main part began to work, lubricating oil got into in the middle of the second oil storehouse by oil absorption head department, got into in the middle of the oil pipe through the second oil head, filtered lubricating oil through the filter screen when passing through the second oil storehouse, filtered the impurity in the lubricating oil in the oil box, prevented that impurity from getting into sewing machine inside along with lubricating oil through the oil pump main part together, carry out the jam to sewing machine inside movable point, influence sewing machine work, and prevent that impurity from stopping inside the oil pump main part, cause the jam to the oil pump main part, the effectual life who improves the oil pump main part;

the utility model discloses a be provided with the valve block, after oil pump main part stop work, resilience force through the spring, the pulling valve block, make the chock reset and lead to the oil mouth and block up, prevent the inside lubricating oil backward flow in first oil storehouse, make the inside full oily state that is in always after the stop work of oil pump main part, protect the inside machine part of oil pump main part, make the inside condition that can not produce the drier oil after not using for a long time of oil pump main part, and after oil pump main part restarts, the inside suction efficiency that is full of lubricating oil when also can increase the oil pump main part and open of oil pump main part.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic front view of the structure of the present invention;

fig. 2 is a schematic front sectional view of the structure shown at a in fig. 1 according to the present invention;

fig. 3 is a schematic front sectional view of the structure at B in fig. 1 according to the present invention.

In the figure: 1. an oil pump main body; 2. an oil outlet; 3. an oil inlet; 4. a first oil sump; 5. a partition plate; 6. An oil through hole; 7. a valve plate; 8. a spring; 9. a chock block; 10. a first rubber ring; 11. a second rubber ring; 12. a first oil passing head; 13. an oil pipe; 14. a second oil sump; 15. a second oil lead; 16. a filter screen; 17. a support frame; 18. oil suction head.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a sewing machine oil pump comprises an oil pump main body 1, wherein an oil outlet 2 is arranged on the left side of the top of the oil pump main body 1, an oil inlet 3 is arranged on the left side of the bottom of the oil pump main body 1, a first oil bin 4 is sleeved at the bottom end of the oil inlet 3, a sealing ring is embedded in the inner wall, which is jointed with the oil inlet 3, of the first oil bin 4 in an annular manner and is used for sealing the joint of the oil inlet 3 and the first oil bin 4 to prevent lubricating oil in the first oil bin 4 from leaking through a joint, a partition plate 5 is arranged in the first oil bin 4, the edge of the partition plate 5 is fixedly welded with the inner wall of the first oil bin 4, an oil through opening 6 is arranged at the bottom of the left side of the partition plate 5, a valve block 7 is arranged on the left side of the oil through opening 6, a spring 8 is uniformly welded on the edge of the left side of the valve block 7 in, the valve block 7 is pulled by resilience force of the spring 8, so that the plug block 9 blocks the oil through opening 6, the backflow of lubricating oil in the first oil bin 4 is prevented, the plug block 9 is welded in the middle of the right side of the valve block 7, the plug block 9 is inserted in the oil through opening 6, the right end of the plug block 9 is of a conical structure, the inner wall of the left end of the oil through opening 6 is of a conical structure matched with the plug block 9, the right side of the first rubber ring 10 is attached to the left side of the second rubber ring 11, when the plug block 9 is inserted into the left end of the oil through opening 6, the conical structure matched with the plug block 10 and the second rubber ring 11 improve the sealing performance of the left end of the oil through opening 6, the middle of the plug block 9 is sleeved with the first rubber ring 10, the inner wall of the left end of the oil through opening 6 is embedded with the second rubber ring 11, the middle of the right side of the first oil bin 4 is provided with the first oil through head 12, and the right end of the first oil through head 12 is communicated with, oil pipe 13's the right-hand second oil depot 14 that is provided with, and second oil head 15 that leads to has been seted up at the left middle part of second oil depot 14, oil pipe 13's right-hand member is linked together with second oil head 15 that leads to, the internally mounted of second oil depot 14 has filter screen 16, and the edge and the 14 bottom inner wall fixed connection in second oil depot of filter screen 16 bottom, filter screen 16 is conical structure, its effect is for effectually preventing that filter screen 16 filters out impurity that filters from leading to the fact on filter screen 16's surface and piling up, block up filter screen 16, the middle part on filter screen 16 top and support frame 17's bottom welded fastening, support frame 17's top and the 14 inner wall welded fastening in second oil depot, its effect is for supporting filter screen 16's top through support frame 17, make the better stress that bears lubricating oil of filter screen 16 ability, oil absorption head 18 has been seted.

The working principle is as follows: after the oil pump main body 1 starts to work, lubricating oil enters the second oil bin 14 from the oil suction head 18 and is discharged into the oil pipe 13 through the second oil through head 15, the lubricating oil is filtered through the filter screen 16 when passing through the second oil bin 14, impurities in the lubricating oil in the oil box are filtered out, the impurities are prevented from entering the sewing machine through the oil pump main body 1 along with the lubricating oil, moving points in the sewing machine are blocked, the work of the sewing machine is influenced, the impurities are prevented from staying in the oil pump main body 1 and blocking the oil pump main body 1, and the service life of the oil pump main body 1 is effectively prolonged;

lubricating oil enters the first oil bin 4 through the oil pipe 13, the oil pump main body 1 sucks through the oil inlet 3 to enable the left side of the partition plate 5 to generate negative pressure, the lubricating oil on the right side of the partition plate 5 pushes the plug block 9 leftwards to enable the valve block 7 to move leftwards, the plug block 9 does not block the left end of the oil inlet 6 any more, the lubricating oil enters the oil inlet 3 through the oil inlet 6, after the oil pump main body 1 stops working, the lubricating oil inside the oil pipe 13 gradually flows back, the oil amount on the left side of the partition plate 5 is larger than that on the right side of the partition plate 5, at the moment, the valve block 7 is pulled through the resilience force of the spring to enable the plug block 9 to reset and block the oil inlet 6, the lubricating oil inside the first oil bin 4 is prevented from flowing back, the inside of the oil pump main body 1 is always in a full oil state after the oil stops working, mechanical parts inside the oil pump main body 1 are protected, and oil pump main part 1 restarts the back, and oil pump main part 1 is inside to be full of lubricating oil and also can increase the suction efficiency when oil pump main part 1 opens, does above the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The sewing machine oil pump comprises an oil pump main body (1), and is characterized in that: an oil outlet (2) is formed in the left side of the top of the oil pump main body (1), an oil inlet (3) is formed in the left side of the bottom of the oil pump main body (1), a first oil bin (4) is sleeved at the bottom end of the oil inlet (3), a partition plate (5) is arranged inside the first oil bin (4), the edge of the partition plate (5) is fixedly welded to the inner wall of the first oil bin (4), an oil through hole (6) is formed in the left bottom of the partition plate (5), a valve block (7) is arranged on the left side of the oil through hole (6), a plug block (9) is welded in the middle of the right side of the valve block (7), the plug block (9) is inserted into the inner portion of the oil through hole (6), a first rubber ring (10) is sleeved in the middle of the plug block (9), a second rubber ring (11) is embedded in the inner wall of the left end of the oil through hole (6), a first oil through head (, and the right-hand member of first logical oil head (12) is linked together with the one end of oil pipe (13), oil pipe (13) right-hand second oil storehouse (14) that is provided with, and second logical oil head (15) have been seted up at the left middle part of second oil storehouse (14), the right-hand member and the second logical oil head (15) of oil pipe (13) are linked together, the internally mounted of second oil storehouse (14) has filter screen (16), and the edge and the second oil storehouse (14) bottom inner wall fixed connection of filter screen (16) bottom, oil absorption head (18) have been seted up to the bottom of second oil storehouse (14).

2. The sewing machine oil pump of claim 1, wherein: the inner wall of the first oil bin (4) and the inner wall of the oil inlet (3) are jointed with each other in an annular embedded manner, and a sealing ring is embedded in the inner wall of the first oil bin.

3. The sewing machine oil pump of claim 1, wherein: the edge on the left side of the valve plate (7) is in an annular shape and is uniformly welded with a spring (8), and the other end of the spring (8) is fixedly welded with the partition plate (5).

4. The sewing machine oil pump of claim 1, wherein: the right-hand member of chock (9) is the toper structure, the inner wall that leads to the hydraulic fluid port (6) left end is the toper structure of mutually supporting with chock (9).

5. The sewing machine oil pump of claim 1, wherein: the right side of the first rubber ring (10) is attached to the left side of the second rubber ring (11).

6. The sewing machine oil pump of claim 1, wherein: the filter screen (16) is in a conical structure.

7. The sewing machine oil pump of claim 1, wherein: the middle part on filter screen (16) top and the bottom welded fastening of support frame (17), the top and the second oil storehouse (14) inner wall welded fastening of support frame (17).