CN211692794U - Swash plate plunger pump oil distribution end cover - Google Patents

Swash plate plunger pump oil distribution end cover Download PDF

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Publication number
CN211692794U
CN211692794U CN201921441891.9U CN201921441891U CN211692794U CN 211692794 U CN211692794 U CN 211692794U CN 201921441891 U CN201921441891 U CN 201921441891U CN 211692794 U CN211692794 U CN 211692794U
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China
Prior art keywords
end cover
oil
bearing
cover body
plunger pump
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CN201921441891.9U
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Chinese (zh)
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曾华
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Ningbo Pairuisen Hydraulic Co ltd
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Ningbo Pairuisen Hydraulic Co ltd
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Abstract

The utility model relates to an oil distribution end cover of swash plate plunger pump, including the end cover body, this internal bearing room that is equipped with the installation bearing of end cover, this internal lubricated chamber that is equipped with of end cover of bearing room one side, lubricated chamber is linked together with the bearing room, has seted up the oil filler point on lubricated chamber keeps away from the chamber wall of bearing room, and the oil filler point runs through the end cover body. The utility model discloses the accessible lets in lubricating oil to the oil filler hole for lubricating oil enters into the bearing room through lubricated chamber and lubricates in order to lubricate the bearing, with the friction that reduces bearing and end cover or pump, reduces the damage of bearing, improves the life of bearing.

Description

Swash plate plunger pump oil distribution end cover
Technical Field
The utility model belongs to the technical field of the technique of sloping cam plate plunger pump and specifically relates to an oil distribution end cover of sloping cam plate plunger pump is related to.
Background
The utility model discloses a chinese utility model patent that current sloping cam plate plunger pump is CN205503375U as bulletin number, it discloses a novel sloping cam plate type variable water hydraulic plunger pump, which comprises a housin, casing one end is equipped with the end cover, be equipped with the main shaft in the casing, main shaft one end is established in the end cover, the sloping cam plate is established at the inside front end of casing, the sloping cam plate links to each other with the rotator subassembly, the rotator subassembly links to each other with the main shaft, variable ejector pin front end is established in the sloping cam plate ball socket of sloping cam plate, the rear end is established in the hole of variable piston, the variable piston is installed in the end cover, be equipped with the exhaust hole on casing upper portion, the sloping cam.
The above prior art solutions have the following drawbacks: above-mentioned plunger pump can lubricate internal bearing through lubricating oil in the equipment process, and after putting into use and long-time work, the lubricating oil on the internal bearing of plunger pump can be less gradually, and the bearing can produce great wearing and tearing, because casing or the end cover part of above-mentioned plunger pump bearing mounted position are the closure, can't lubricate the bearing in the pump, and then easily lead to the friction damage of bearing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an oil distribution end cover of swash plate plunger pump has the advantage that reduces the bearing and damage.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a swash plate plunger pump joins in marriage oily end cover, includes the end cover body, this internal bearing room of installing the bearing that is equipped with of end cover, this internal lubricated chamber that is equipped with of end cover of bearing room one side, lubricated chamber with the bearing room is linked together, lubricated chamber is kept away from seted up the oil filler point on the chamber wall of bearing room, the oil filler point runs through the end cover body.
Through adopting above-mentioned technical scheme, the plunger pump uses a period after, and the accessible lets in lubricating oil to the oiling hole for lubricating oil enters into the bearing room through lubricated chamber, and lubricates the bearing of inside, in order to reduce the friction of bearing and end cover or pump, and then the damage of reducible bearing, improves the life of bearing.
Preferably, an oil storage cavity is arranged in the end cover body on the other side of the bearing chamber, and the oil storage cavity and the lubricating cavity are symmetrically arranged along the axial direction of the bearing chamber.
Through adopting above-mentioned technical scheme, pour into through the oil filler point and carry out lubricated lubricating oil back to the bearing, can flow to the oil storage intracavity to when subsequent lubricated the bearing, lubricating oil in the oil storage intracavity flows to the bearing and lubricates to the bearing in the bearing room, in order to reduce the injection of lubricating oil.
Preferably, an oil inlet and an oil outlet are respectively formed in two opposite side walls of the end cover body, and the calibers of the oil inlet and the oil outlet are gradually reduced towards the bearing chamber.
Through adopting above-mentioned technical scheme, the bore of oil inlet reduces to the bearing room direction gradually for oil gets into the in-process oil pressure crescent of plunger pump, so that oil transports to the oil-out more fast, and the bore of oil-out reduces to the bearing room direction gradually, makes the oil to the oil-out position discharge fast.
Preferably, the annular has been seted up on the inside wall of oil inlet, be equipped with in the annular and filter the piece, filter the piece including the joint in the solid fixed ring of rubber in the annular, set up in the solid fixed ring of rubber and cover the filter screen of oil inlet.
Through adopting above-mentioned technical scheme, through setting up the solid fixed ring of annular and rubber to in installing the filter screen to the oil inlet, and then can filter the oil that gets into the oil inlet, with the impurity that reduces in the oil.
Preferably, a check valve for controlling oil to flow out in a one-way mode is arranged in the oil outlet, the check valve comprises a plurality of inclined elastic sheets, the end portion, far away from the bearing chamber, of each elastic sheet is connected to one point, and the cross-sectional area of the check valve is gradually reduced along the direction back to the bearing chamber.
Through adopting above-mentioned technical scheme, when carrying out the oil, a plurality of shell fragments move towards the inner wall direction of oil-out, and the check valve is opened to make oil discharge end cover body, later the shell fragment is because reclosing under elastic effect, and the check valve is closed, and then reducible backward flow of oil.
Preferably, the end cover body is further provided with two piston holes, the two piston holes penetrate through the end face of the end cover body and are symmetrically arranged along a central connecting line of the oil inlet and the oil outlet, and plungers are arranged in the piston holes.
Through adopting above-mentioned technical scheme for seting up of two piston holes is more standard.
Preferably, threaded holes are formed in the two sides, facing the oil inlet and the oil outlet, of the piston hole.
Through adopting above-mentioned technical scheme, through setting up the screw hole to wear to establish the bolt in order to be fixed in the swash plate plunger pump with the end cover body in the screw hole, and set up the screw hole in the both sides of oil inlet and oil-out, make the equal fixing bolt in four corners of end cover body, with the fixed strength who improves the end cover body.
Preferably, fastening bolts are arranged on the side wall of the end cover body adjacent to the oil inlet and the oil outlet and penetrate through the piston hole and the plunger.
Through adopting above-mentioned technical scheme, when not moving the plunger and carrying out the oil business turn over in the plunger pump, the accessible is fixed fastening bolt to prevent the up-and-down motion of plunger, and then the friction between reducible plunger and the piston hole pore wall.
To sum up, the utility model discloses a beneficial technological effect does:
1. lubricating oil can be introduced into the oil injection hole, so that the lubricating oil enters the bearing chamber through the lubricating cavity to lubricate the bearing, the friction between the bearing and the end cover or the pump is reduced, the damage to the bearing is reduced, and the service life of the bearing is prolonged;
2. through the elastic sheets which are mutually attached to the plurality of elastic sheets, the oil is discharged out of the end cover body, and the backflow of the oil is reduced.
Drawings
Fig. 1 is a schematic bottom view of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a schematic sectional structure diagram of the present invention.
In the figure, 1, an end cover body; 11. fastening a bolt; 12. an oil filler hole; 2. a bearing chamber; 3. a lubrication chamber; 31. a first U-shaped cavity; 32. a first communicating chamber; 4. an oil storage chamber; 41. a second U-shaped cavity; 42. a second communicating chamber; 5. an oil inlet; 51. a ring groove; 6. an oil outlet; 7. a filter member; 71. a rubber fixing ring; 72. a filter screen; 8. a one-way valve; 81. a spring plate; 9. a piston bore; 91. a plunger; 10. a threaded bore.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses an oil distribution end cover of swash plate plunger pump, including end cover body 1, set up the bearing room 2 of installation bearing in the end cover body 1.
Referring to fig. 1 and 2, a lubricating cavity 3 communicated with the bearing chamber 2 is formed in the end cover body 1 on one side of the bearing chamber 2, an oil storage cavity 4 communicated with the bearing chamber 2 is formed in the end cover body 1 on the other side, the oil storage cavity 4 and the lubricating cavity 3 are symmetrically arranged with respect to the central line of the bearing chamber 2 in the axial direction, and the central connecting line of the oil storage cavity 4 and the lubricating cavity 3 coincides with the central line of the end cover body 1 in the width direction.
The lubricating cavity 3 comprises a first U-shaped cavity 31 and a first communicating cavity 32, two ends of the first communicating cavity 32 are respectively communicated with the first U-shaped cavity 31 and the bearing chamber 2, two end parts, far away from the bearing chamber 2, of the first U-shaped cavity 31 are respectively provided with oil injection holes 12, and the two oil injection holes 12 penetrate through the end cover body 1 and are symmetrically arranged by taking the first communicating cavity 32 as a symmetry axis; the oil storage cavity 4 comprises a second U-shaped cavity 41 and a second communicating cavity 42, two ends of the second communicating cavity 42 are respectively communicated with the second U-shaped cavity 41 and the bearing chamber 2, and two ends, far away from the bearing chamber 2, of the second U-shaped cavity 41 are symmetrically arranged by taking the second communicating cavity 42 as a symmetry axis.
Referring to fig. 1 and 3, an oil inlet 5 and an oil outlet 6 are respectively formed in two opposite side walls of the end cover body 1 in the width direction, and the calibers of the oil inlet 5 and the oil outlet 6 are gradually reduced towards the bearing chamber 2; so that the oil pressure gradually increases during the oil entering the plunger 91 pump so that the oil is more quickly delivered to the oil outlet 6 and the oil can be more quickly drained during the oil discharging.
Annular 51 has been seted up along the circumferential direction on the inside wall of oil inlet 5, is equipped with in the annular 51 and carries out filterable filtration piece 7 to the oil that gets into, and filtration piece 7 includes the solid fixed ring 71 of rubber of joint in annular 51, fixed connection in the solid fixed ring 71 of rubber back to the filter screen 72 of annular 51 one side, and filter screen 72 covers oil inlet 5 and filters the impurity in the oil.
A one-way valve 8 for controlling oil to flow out in a one-way mode is arranged in the oil outlet 6, the one-way valve 8 comprises a plurality of inclined elastic sheets 81, the end portion, close to the bearing chamber 2, of each elastic sheet 81 is fixedly connected to the inner side wall of the oil outlet 6, the end portion, far away from the bearing chamber 2, of each elastic sheet 81 is mutually attached and connected to one point to form the conical one-way valve 8, and then the cross-sectional area of the one-way valve 8 is gradually reduced along the direction back to the bearing chamber 2; when oil is pressed and discharged from the oil outlet, the elastic sheets 81 move towards the inner wall direction of the oil outlet 6, the one-way valve 8 is opened to discharge oil, after the oil is discharged, the elastic sheets 81 are closed again under the elastic effect, the one-way valve 8 is closed, and then the backflow of the oil can be reduced.
Piston holes 9 are formed in two ends of the end cover body 1 in the length direction, the two piston holes 9 penetrate through two end faces of the end cover body 1 and are symmetrically arranged along a central connecting line of the oil inlet 5 and the oil outlet 6, and plungers 91 are connected in the piston holes 9 in a sliding mode; threaded holes 10 are formed in the end cover body 1 on two sides of the piston hole 9, the two threaded holes 10 are symmetrically arranged along the center line of the width direction of the end cover body 1, and the end cover body 1 can be fixed on the swash plate plunger 91 pump by condensing bolts into the threaded holes 10; the two side walls of the end cover body 1 in the length direction are provided with fastening bolts 11, the fastening bolts 11 obliquely penetrate into the piston hole 9 towards the piston hole 9 and penetrate through the plunger 91, and therefore when the plunger 91 is not used, the plunger 91 can be fixed.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides an oil distribution end cover of swash plate plunger pump, includes end cover body (1), be equipped with bearing chamber (2) of installation bearing in end cover body (1), its characterized in that: be equipped with lubricated chamber (3) in end cover body (1) of bearing room (2) one side, lubricated chamber (3) with bearing room (2) are linked together, lubricated chamber (3) are kept away from oil filler point (12) have been seted up on the chamber wall of bearing room (2), oil filler point (12) run through end cover body (1).
2. The oil distribution end cover of the swash plate plunger pump as claimed in claim 1, wherein: be equipped with oil storage chamber (4) in end cover body (1) of bearing room (2) opposite side, oil storage chamber (4) with lubricated chamber (3) with the central line of bearing room (2) axial direction is the symmetry and sets up.
3. The oil distribution end cover of the swash plate plunger pump as claimed in claim 1, wherein: an oil inlet (5) and an oil outlet (6) are respectively formed in two opposite side walls of the end cover body (1), and the calibers of the oil inlet (5) and the oil outlet (6) are gradually reduced towards the bearing chamber (2).
4. The oil distribution end cover of the swash plate plunger pump as claimed in claim 3, wherein: seted up annular (51) on the inside wall of oil inlet (5), be equipped with in annular (51) and filter piece (7), filter piece (7) including the joint in solid fixed ring (71) of rubber in annular (51), set up in the solid fixed ring (71) of rubber and cover filter screen (72) of oil inlet (5).
5. The oil distribution end cover of the swash plate plunger pump as claimed in claim 3, wherein: be equipped with check valve (8) that control oil one-way outflow in oil-out (6), check valve (8) include a plurality of shell fragment (81) that are the slope form, and every shell fragment (81) are kept away from the end connection of bearing room (2) is in a point, the cross sectional area of check valve (8) is along keeping away from one side bearing room (2) direction reduces gradually.
6. The oil distribution end cover of the swash plate plunger pump as claimed in claim 3, wherein: the end cover is characterized in that the end cover body (1) is further provided with two piston holes (9), the two piston holes (9) penetrate through the end face of the end cover body (1) and are symmetrically arranged along the central connecting line of the oil inlet (5) and the oil outlet (6), and plungers (91) are arranged in the piston holes (9).
7. The oil distribution end cover of the swash plate plunger pump as claimed in claim 6, wherein: and threaded holes (10) are formed in the two sides, facing the oil inlet (5) and the oil outlet (6), of the piston hole (9).
8. The oil distribution end cover of the swash plate plunger pump as claimed in claim 6, wherein: and fastening bolts (11) are arranged on the side wall of the end cover body (1) adjacent to the oil inlet (5) and the oil outlet (6), and the fastening bolts (11) penetrate through the piston hole (9) and penetrate through the plunger (91).
CN201921441891.9U 2019-08-31 2019-08-31 Swash plate plunger pump oil distribution end cover Active CN211692794U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921441891.9U CN211692794U (en) 2019-08-31 2019-08-31 Swash plate plunger pump oil distribution end cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921441891.9U CN211692794U (en) 2019-08-31 2019-08-31 Swash plate plunger pump oil distribution end cover

Publications (1)

Publication Number Publication Date
CN211692794U true CN211692794U (en) 2020-10-16

Family

ID=72770401

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921441891.9U Active CN211692794U (en) 2019-08-31 2019-08-31 Swash plate plunger pump oil distribution end cover

Country Status (1)

Country Link
CN (1) CN211692794U (en)

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