CN209892367U

CN209892367U - Oil inlet filtering device of single combined pump for diesel generator fuel

Info

Publication number: CN209892367U
Application number: CN201920482846.1U
Authority: CN
Inventors: 汪亦伟; 汪世伦
Original assignee: JIANGXI ZHIFANG NC POWER CO Ltd
Current assignee: JIANGXI ZHIFANG NC POWER CO Ltd
Priority date: 2019-04-11
Filing date: 2019-04-11
Publication date: 2020-01-03
Anticipated expiration: 2029-04-11

Abstract

The utility model discloses a diesel generator is monomer combination pump oil feed filter equipment for fuel, including the different lower toper pipe of both ends diameter and last tapered pipe, the circumference outer wall of toper pipe is close to the top and is equipped with the annular and cut the shoulder down, and the annular circumference outer wall spiro union of cutting the shoulder has last tapered pipe, the circumference inner wall of toper pipe is close to the top joint down and has annular retaining ring, and the circumference inward flange of annular retaining ring is close to the top and opens there is the ladder platform, has the filter screen ring through the bolt fastening on the ladder platform, and the top of filter screen ring is provided with the filter screen, the circumference inner wall of annular retaining ring is close to the bracing piece that the bottom was provided with the equidista. The utility model discloses can let two brush-holder stud in the upper surface circular motion of the bellied filter screen that makes progress, and then get rid of the impurity of interception at the filter screen upper surface fast, set to the bellied filter screen that makes progress, also can make the impurity of scraping off automatic slip to both sides under the gravity condition of self, accelerated the getting rid of impurity.

Description

Oil inlet filtering device of single combined pump for diesel generator fuel

Technical Field

The utility model relates to an oil strain technical field especially relates to diesel generator is monomer combination pump oil feed filter equipment for the fuel.

Background

When the combined pump works, hydraulic oil needs to enter a pump chamber through an oil inlet pipe, and needs to be filtered before entering the pump chamber, so that the oil inlet filtering device for the combined pump is an important component.

The retrieved Chinese patent No. CN201620868257.3 discloses a four-cylinder synchronous hydraulic system of an automobile lifter, which comprises an oil tank, a hydraulic pump, an oil inlet filter, an overflow valve and four hydraulic cylinders with the same parameters, but the hydraulic oil supply device of the device filters oil only by simply passing the oil inlet through a filter screen, so that the filter screen is easily blocked, the filter screen needs to be frequently replaced or cleaned, and the time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing the oil inlet filtering device of the unit combination pump for the diesel generator fuel.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

diesel generator is monomer combination pump oil feed filter equipment for fuel, include the different lower toper pipe of both ends diameter and go up the tapered tube, the circumference outer wall of toper pipe is close to the top and is equipped with the annular and cuts the shoulder down, and the annular circumference outer wall spiro union of cutting the shoulder has last tapered tube, the circumference inner wall of toper pipe is close to the top joint down and has annular retaining ring, and the circumference inward flange of annular retaining ring is close to the top and opens there is the ladder platform, has the filter screen ring through the bolt fastening on the ladder platform, and the top of filter screen ring is provided with the filter screen, the circumference inner wall of annular retaining ring is close to the bottom and is provided with the bracing piece that the equidistance distributes, and the end fixing of bracing piece has same fixed snap ring, the middle joint of fixed snap ring has the internal.

Preferably, the upper surface of the stepped platform is provided with screw holes distributed at equal intervals, and a sealing ring is arranged between the upper surface of the stepped platform and the lower surface of the filter screen ring.

Preferably, the top end of the threaded rod is arranged to be of a hemispherical structure, and the bottom end of the threaded rod is provided with a cross-shaped key groove.

Preferably, a fixing support is arranged on the inner wall of the circumference of the upper conical pipe close to the middle part, a conical roller bearing is arranged on the fixing support close to the central axis of the upper conical pipe, and a transmission rod is fixedly connected to the inner ring of the conical roller bearing.

Preferably, both ends of the transmission rod are respectively provided with a fan blade and a spring barrel, the opening of the spring barrel is downward, a push rod is connected in the spring barrel in a sliding mode, and a compression spring is arranged between the top end of the push rod and the inner wall of the bottom of the spring barrel.

Preferably, the bottom end of the ejector rod is fixed with a rectangular block, brush rods which are obliquely arranged are fixed on two opposite sides of the rectangular block, and bristles are arranged on the lower surfaces of the two brush rods.

Preferably, the outer wall of the circumference of the ejector rod is provided with three to four sliding blocks close to the top end, and the inner wall of the spring barrel is provided with a sliding groove matched with the sliding blocks.

Compared with the prior art, the utility model provides a diesel generator is monomer combination pump oil feed filter equipment for fuel possesses following beneficial effect:

1. through the brush-holder stud that sets up the slope setting in the rectangle piece both sides, the flabellum on cooperation transfer line top to can let two brush-holder studs under the fluid drive that flows the upper surface circular motion of the bellied filter screen that makes progress, and then will intercept the impurity of getting rid of fast at the filter screen upper surface, set to the bellied filter screen that makes progress, also can make the impurity of scraping off automatic slip under the gravity condition of self to both sides, accelerated getting rid of impurity.

2. Thereby set to the hemispherical structure through the threaded rod that sets up and its top and disclose the filter screen brokenly when can preventing to push up, and the bottom of threaded rod is provided with the cross keyway, conveniently twists with the screwdriver and twist the top height of going up with the adjusting threaded rod, can also add the opposite vertex nut in the top of internal thread pipe simultaneously, prevents that the threaded rod from roaming the gliding, has improved the stability of device.

3. The inner diameter of the top end of the upper conical pipe is smaller, so that the flow velocity of oil can be increased at the fan blades, natural power is provided for the transmission rod, and the fan is energy-saving and environment-friendly.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, convenient to detach and maintenance clearance.

Drawings

Fig. 1 is a schematic cross-sectional structural view of an oil inlet filtering device of a single combined pump for diesel generator fuel oil provided by the utility model;

fig. 2 is a schematic perspective view of a brush rod of the oil inlet filtering device of the single combined pump for diesel generator fuel oil of the present invention;

fig. 3 is the utility model provides a diesel generator is overlooking structure schematic diagram of monomer combination pump oil feed filter equipment annular retaining ring for fuel.

In the figure: 1-lower conical tube, 2-support rod, 3-annular retainer ring, 4-filter screen ring, 5-ejector rod, 6-spring barrel, 7-upper conical tube, 8-fan blade, 9-transmission rod, 10-fixed support, 11-brush rod, 12-filter screen, 13-fixed snap ring, 14-threaded rod, 15-rectangular block, 16-brush hair and 17-step platform.

Detailed Description

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, diesel generator is monomer combination pump oil feed filter equipment for fuel, including lower conical duct 1 and upper conical duct 7 that the both ends diameter is different, the circumference outer wall of lower conical duct 1 is close to the top and is equipped with the annular and cuts the shoulder, and the annular circumference outer wall spiro union that cuts the shoulder has upper conical duct 7, the circumference inner wall of lower conical duct 1 is close to the top joint and has annular retaining ring 3, and the circumference inward flange of annular retaining ring 3 is close to the top and opens there is ladder platform 17, there is filter screen ring 4 through the bolt fastening on ladder platform 17, and the top of filter screen ring 4 is provided with filter screen 12, the circumference inner wall of annular retaining ring 3 is close to the bottom and is provided with bracing piece 2 that the equidistance distributes, and the end fixing of bracing piece 2 has same fixed snap ring 13, the centre joint of fixed snap ring 13 has the.

The utility model discloses in, the screw that has the equidistance to distribute is opened to the upper surface of ladder platform 17, and is provided with the sealing washer between the upper surface of ladder platform 17 and the lower surface of filter screen ring 4.

The top end of the threaded rod 14 is arranged to be of a hemispherical structure, the bottom end of the threaded rod 14 is provided with the cross-shaped key groove, a screwdriver can be conveniently used for screwing to adjust the top height of the threaded rod 14, meanwhile, a jacking nut can also be arranged above the inner threaded pipe, the threaded rod 14 is prevented from sliding downwards in a roaming mode, and the stability of the device is improved.

Wherein, the circumference inner wall of last venturi tube 7 is close to the middle part and is provided with fixed bolster 10, and fixed bolster 10 is close to the axis department of last venturi tube 7 and is provided with circular cone roller bearing, circular cone roller bearing's inner circle fixedly connected with transfer line 9.

Wherein, the both ends of transfer line 9 are provided with flabellum 8 and spring barrel 6 respectively, and spring barrel 6's opening is down, and sliding connection has ejector pin 5 in spring barrel 6, is provided with compression spring between the bottom inner wall of the top of ejector pin 5 and spring barrel 6.

Wherein, the bottom mounting of ejector pin 5 has rectangular block 15, and rectangular block 15 both sides in opposite directions all are fixed with the brush-holder stud 11 that the slope set up, and the lower surface of two brush-holder studs 11 all is provided with brush hair 16 to can in time strike off falling on the filter screen impurity when the pivoted, guarantee the cleanness on filter screen surface, improve the patency.

Wherein, the circumference outer wall of ejector pin 5 is provided with three to four sliders near the top, and the inner wall of spring barrel 6 is opened has the spout with slider looks adaptation.

The working principle is as follows: before use, the threaded rod 14 is screwed by a screwdriver from the bottom end of the lower conical tube 1 to adjust the rising height of the threaded rod 14, at the moment, the top end of the threaded rod 14 slowly rises until the filter screen in the middle of the filter screen ring 4 is jacked upwards, and the jacking amplitude is the same as the inclination of the brush rod 11; during the use will treat filterable fluid and let in last tapered tube 7 through the top thin neck department of last tapered tube 7, later the fluid velocity of flow through thin neck department becomes fast, can drive flabellum 8 and rotate, and transfer line 9 can drive the two brush-holder stems 11 of spring barrel 6 and the ejector pin 5 bottom of bottom and rotate this moment to carry out timely striking off with the dust and the filter residue of upwards protruding filter screen 12 upper surface interception.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The oil inlet filtering device of the monoblock combination pump for the fuel oil of the diesel generator comprises a lower conical pipe (1) and an upper conical pipe (7) with different diameters at two ends, and is characterized in that an annular cutting shoulder is arranged on the outer wall of the circumference of the lower conical pipe (1) close to the top end, the outer wall of the circumference of the annular cutting shoulder is screwed with the upper conical pipe (7), an annular check ring (3) is clamped on the inner wall of the circumference of the lower conical pipe (1) close to the top end, a stepped platform (17) is arranged on the inner edge of the circumference of the annular check ring (3) close to the top end, a filter screen ring (4) is fixed on the stepped platform (17) through bolts, a filter screen (12) is arranged at the top end of the filter screen ring (4), supporting rods (2) distributed equidistantly are arranged on the inner wall of the circumference of the annular check ring (3, the middle joint of fixed snap ring (13) has the internal thread pipe, and the middle spiro union of internal thread pipe has threaded rod (14).

2. The oil inlet filtering device of the single combined pump for the fuel of the diesel generator as claimed in claim 1, wherein the upper surface of the stepped platform (17) is provided with screw holes distributed at equal intervals, and a sealing ring is arranged between the upper surface of the stepped platform (17) and the lower surface of the filter screen ring (4).

3. The fuel inlet filtering device of the monoblock combination pump for the diesel generator fuel as claimed in claim 1, wherein the top end of the threaded rod (14) is arranged to be a hemispherical structure, and the bottom end of the threaded rod (14) is provided with a cross-shaped key slot.

4. The oil inlet filtering device of the single combined pump for the diesel generator fuel oil as recited in claim 1, wherein a fixing support (10) is arranged on the circumferential inner wall of the upper conical pipe (7) near the middle part, a conical roller bearing is arranged on the fixing support (10) near the central axis of the upper conical pipe (7), and a transmission rod (9) is fixedly connected to the inner ring of the conical roller bearing.

5. The oil inlet filtering device of the single combined pump for the fuel oil of the diesel generator as claimed in claim 4, wherein the two ends of the transmission rod (9) are respectively provided with a fan blade (8) and a spring barrel (6), the opening of the spring barrel (6) is downward, the spring barrel (6) is internally and slidably connected with a push rod (5), and a compression spring is arranged between the top end of the push rod (5) and the bottom inner wall of the spring barrel (6).

6. The oil inlet filtering device of the single combined pump for the diesel generator fuel oil as claimed in claim 5, wherein a rectangular block (15) is fixed at the bottom end of the ejector rod (5), brush rods (11) which are obliquely arranged are fixed on two opposite sides of the rectangular block (15), and bristles (16) are arranged on the lower surfaces of the two brush rods (11).

7. The oil inlet filtering device of the single combined pump for the fuel oil of the diesel generator as claimed in claim 5, wherein the outer circumferential wall of the ejector rod (5) is provided with three to four sliding blocks near the top end, and the inner wall of the spring barrel (6) is provided with a sliding groove matched with the sliding blocks.