CN217582406U

CN217582406U - Plunger pump convenient to equipment

Info

Publication number: CN217582406U
Application number: CN202221618719.8U
Authority: CN
Inventors: 杨徐辉; 黄忠
Original assignee: Jiangsu Jinrun Hydraulic Co ltd
Current assignee: Jiangsu Jinrun Hydraulic Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-10-14
Anticipated expiration: 2032-06-27

Abstract

The utility model discloses a plunger pump convenient to equipment belongs to plunger pump technical field, including pump casing and variable casing, one side that the pump casing is close to the variable casing is equipped with the variable head, the overhead mounting hole that has seted up of variable, the variable head is located demountable installation in the mounting hole has the round pin axle key, sliding connection has the variable piston in the variable casing, the mounting groove has been seted up to one side that the variable piston is close to the pump casing, demountable installation has the round pin axle bed in the variable piston is located the mounting groove, the horizontal fixedly connected with connecting axle on the round pin axle bed, set up the spread groove with the link adaptation on the round pin axle key. This plunger pump convenient to equipment through setting up pin axle key and the round pin axle bed of demountable installation on variable head and variable piston to set up the spread groove with round pin axle bed looks adaptation on the pin axle key, connect pin axle key and round pin axle bed through connecting axle and spread groove, make the round pin axle that round pin axle key and round pin axle bed connect into change the installation.

Description

Plunger pump convenient to equipment

Technical Field

The utility model belongs to the technical field of the plunger pump, especially, relate to a plunger pump convenient to equipment.

Background

The plunger pump is an important device of the hydraulic system. The plunger reciprocates in the cylinder body to change the volume of the sealed working cavity so as to absorb and press oil. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like. Plunger pumps are widely used in applications where high pressure, high flow and flow needs to be regulated, such as hydraulic machines, engineering machinery and ships.

Plunger pump reciprocates through the variable piston in the variable casing of plunger pump one side installation usually in the use to drive the variable head on the plunger pump and rotate certain angle, and then adjust the efficiency of plunger pump, prior art is connecting variable piston and variable head and is passing through integral type round pin hub connection, makes and needs instrument centre gripping round pin axle to assist the installation when installation variable casing, influences the equipment effect.

To this end, we propose a plunger pump that is easy to assemble to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the prior art, the inconvenient problem of round pin axle equipment in the plunger pump, and the plunger pump convenient to equipment that provides.

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

the utility model provides a plunger pump convenient to equipment, includes pump casing and variable casing, one side that the pump casing is close to the variable casing is equipped with the variable head, the overhead mounting hole of having seted up of variable, the variable head is located demountable installation in the mounting hole has the round pin axle key, sliding connection has the variable piston in the variable casing, the mounting groove has been seted up to one side that the variable piston is close to the pump casing, the variable piston is located demountable installation has the round pin axle bed in the mounting groove, horizontal fixedly connected with connecting axle on the round pin axle bed, set up the spread groove with the link adaptation on the round pin axle key.

Preferably, the pin shaft key comprises a base and a pin head, the connecting groove is located on one side, close to the pin shaft seat, of the pin head, and the pin head is in threaded connection with the base.

Preferably, the pin shaft seat is provided with a fool-proof groove at one end close to the variable piston, the variable piston is fixedly connected with a fool-proof strip in the mounting groove, and the fool-proof groove is matched with the fool-proof strip.

Preferably, the variable head is located the mounting hole bottom and has seted up a plurality of spacing grooves, the one end sliding connection that the base is close to the variable head has a plurality of stoppers, stopper and spacing groove adaptation.

Preferably, the tail ends of the limiting groove and the limiting block are semicircular.

Preferably, a plurality of holding tanks have been seted up on the base, the base is located the holding tank and is equipped with the spring, the spring both ends respectively with stopper and base fixed connection, the stopper is located the holding tank and base sliding connection.

Preferably, the base is located the holding tank and has seted up the position groove of ending, the stopper is located the position inslot fixedly connected with of ending and ends the position key.

To sum up, the utility model discloses a technological effect and advantage: this plunger pump convenient to equipment, through setting up pin shaft key and the round pin axle bed of demountable installation on variable head and variable piston, and set up the spread groove with round pin axle bed looks adaptation on the pin shaft key, make in can inserting the spread groove on the pin shaft key through the connecting axle with on the round pin axle bed, make to produce between variable piston and the variable head and be connected, thereby make when the variable piston reciprocates, can drive variable head and rotate certain angle, thereby realize the regulation of plunger pump, connect pin shaft key and round pin axle bed through connecting axle and spread groove, make the round pin axle that round pin shaft key and round pin axle bed connect into change the installation.

Drawings

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

FIG. 2 is a top sectional view of the present invention;

FIG. 3 is an enlarged view of FIG. 2 at A;

fig. 4 is the schematic diagram of the pin structure of the present invention.

In the figure: 1. a pump housing; 2. a variable shell; 3. a variable head; 4. mounting holes; 5. a pin key; 6. a variable piston; 7. mounting grooves; 8. a pin shaft seat; 9. a connecting shaft; 10. connecting grooves; 11. a base; 12. a pin head; 13. a fool-proof groove; 14. a fool-proof strip; 15. a limiting groove; 16. a limiting block; 17. accommodating grooves; 18. a spring; 19. a stop groove; 20. a stop key.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1, a plunger pump convenient to equipment, includes pump casing 1 and variable casing 2, and one side that pump casing 1 is close to variable casing 2 is equipped with variable head 3, and variable head 3 is spherical, has seted up mounting hole 4 on the variable head 3, and mounting hole 4 is the cylinder hole, and mounting hole 4 is located spherical variable head 3 footpath.

Referring to fig. 2, fig. 3, fig. 4, but variable head 3 is located demountable installation in mounting hole 4 has round pin axle key 5, sliding connection has variable piston 6 in the variable casing 2, mounting groove 7 has been seted up to one side that variable piston 6 is close to

pump casing

1, 7 levels of mounting groove set up and towards variable head 3, but variable piston 6 is located demountable installation in mounting groove 7 has round pin axle seat 8, horizontal fixedly connected with connecting axle 9 on the round pin axle seat 8, set up the spread groove 10 with connecting axle 9 adaptation on the round pin axle key 5, the level of spread groove 10 sets up. By inserting the connecting shaft 9 into the connecting groove 10, the pin shaft key 5 and the pin shaft seat 8 can be connected into a pin shaft, and when the variable piston 6 moves up and down, the variable head 3 can be driven by the pin shaft to rotate in two directions, so that the plunger pump can be adjusted.

The pin shaft key 5 comprises a base 11 and a pin head 12, the base 11 and the pin head 12 are cylinders, the pin head 12 is in threaded connection with the base 11, the base 11 is located on one side close to the variable head 3, the pin head 12 is located on one side close to the variable piston 6, the connecting groove 10 is located on one side, close to the pin shaft seat 8, of the pin head 12, the pin head 12 and the base 11 are connected through the threads, the pin head 12 can be replaced, and replacement after abrasion is caused by long-time use of the connecting groove 10 and the connecting shaft 9 is convenient.

Referring to fig. 1, fig. 3, fig. 4, variable head 3 is located 4 bottoms of mounting hole and has been seted up a plurality of spacing grooves 15, spacing groove 15 sets up along 4 hole circumferences of mounting hole, base 11 is close to the one end of variable head 3 and has a plurality of stopper 16 along radial sliding connection, stopper 16 is the same with stopper groove 15 quantity, stopper 16 and 15 adaptations of spacing groove, the end of stopper groove 15 and stopper 16 is semi-circular, through setting up semicircular spacing groove 15 and stopper 16, reduce the resistance of stopper groove 15 to stopper 16, make things convenient for base 11 to insert in the mounting hole 4 and take out from the mounting hole 4, make and spacing the key 5 is spacing to the pivot key 5 through

stopper

16 and 15 cooperation of spacing groove, make the pivot key 5 can fix in the mounting hole 4.

A plurality of holding tanks 17 have been seted up on base 11, holding tank 17 sets up along 11 outer peripheral face circumference equidistance of base, base 11 is located and is equipped with spring 18 in holding tank 17, spring 18 both ends respectively with

stopper

16 and 11 fixed connection of base, stopper 16 is located holding tank 17 and base 11 sliding connection, provide elasticity to stopper 16 through spring 18, make stopper 16 atress pop out outward to holding tank 17, thereby make when inserting base 11 in mounting hole 4, stopper 16 receives the elastic force drive to support into limiting groove 15 in to fix base 11. When the variable head 3 is not acted by manpower, the spring 18 always drives the limiting block 16 to abut against the inside of the limiting groove 15, and the base 11 is fixed through friction force, so that the pin cannot easily fall off from the mounting hole 4 even if the pin shaft is mounted when the variable head 3 is inclined downwards.

The base 11 is located holding tank 17 and has seted up and end a groove 19, ends a groove 19 and be located one side of holding tank 17 inner wall and communicate with holding tank 17, ends a groove 19 and be located the bottom of holding tank 17, stopper 16 is located and ends a inslot 19 internal fixedly connected with and end a key 20, spacing stopper 16 through ending a key 20 for when spring 18 drive stopper 16 moves to holding tank 17 outside, receive to end a key 20 and end a groove 19 inner wall and contradict, can not follow and hold the inslot 17 and pop out.

Referring to fig. 3, fig. 4, round pin axle bed 8 is close to the one end of variable piston 6 and has been seted up and has been prevented slow-witted groove 13, prevent that slow-witted groove 13 is located the both sides of round pin axle bed 8, variable piston 6 is located fixedly connected with prevents slow-witted strip 14 in mounting groove 7, prevent slow-witted groove 13 and prevent slow-witted strip 14 looks adaptation, prevent slow-witted strip 14 and prevent slow-witted groove 13 through setting up, make things convenient for the staff to insert mounting groove 7 under the circumstances of guaranteeing the 9 levels of connecting axle and setting up in, the maloperation when reducing the staff installation leads to the unable operation of plunger pump.

The working principle is as follows: when the staff need assemble variable casing 2 and pump case 1, insert the mounting hole 4 on the variable head 3 with base 11 in the round pin axle key 5 earlier, when base 11 inserts the appointed degree of depth, because spring 18 drive stopper 16 inserts in the limiting groove 15 along the radial movement of base 11, and fix base 11 through the joint between limiting groove 15 and the stopper 16, then insert round pin head 12 through threaded connection, and insert round pin axle bed 8 in the mounting groove 7 on the variable piston 6, because prevent the existence of slow-witted groove 13 and prevent slow-witted strip 14, can keep connecting axle 9 level on the round pin axle bed 8 when making the staff insert, through inserting connecting axle 9 in the connecting groove 10 of round pin head 12 to, can realize through the round pin axle linkage variable piston 6 that connects into by round pin axle key 5 and round pin axle bed 8 and variable head 3, thereby make variable piston 6 can control the inclination of variable head 3.

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 utility model provides a plunger pump convenient to equipment, includes pump casing (1) and variable casing (2), its characterized in that, one side that pump casing (1) is close to variable casing (2) is equipped with variable head (3), mounting hole (4) have been seted up on variable head (3), demountable installation has round pin axle key (5) in variable head (3) are located mounting hole (4), sliding connection has variable piston (6) in variable casing (2), mounting groove (7) have been seted up to one side that variable piston (6) are close to pump casing (1), demountable installation has round pin axle bed (8) in variable piston (6) are located mounting groove (7), horizontal fixedly connected with connecting axle (9) on round pin axle bed (8), set up on round pin axle key (5) spread groove (10) with connecting axle (9) adaptation.

2. Plunger pump easy to assemble according to claim 1, characterised in that the pin key (5) comprises a base (11) and a pin head (12), the connecting groove (10) being located on the side of the pin head (12) near the pin shaft seat (8), the pin head (12) being screwed to the base (11).

3. The plunger pump convenient to assemble according to claim 1, wherein a fool-proof groove (13) is formed in one end, close to the variable piston (6), of the pin shaft seat (8), the variable piston (6) is located in the installation groove (7) and is fixedly connected with a fool-proof strip (14), and the fool-proof groove (13) is matched with the fool-proof strip (14).

4. The plunger pump convenient to assemble according to claim 2, wherein the variable head (3) is positioned at the bottom of the mounting hole (4) and provided with a plurality of limiting grooves (15), one end of the base (11) close to the variable head (3) is slidably connected with a plurality of limiting blocks (16), and the limiting blocks (16) are matched with the limiting grooves (15).

5. Plunger pump convenient to assemble according to claim 4, characterized in that the ends of the limiting groove (15) and the limiting block (16) are semicircular.

6. The plunger pump convenient to assemble according to claim 5, wherein the base (11) is provided with a plurality of accommodating grooves (17), the base (11) is located in the accommodating grooves (17) and is provided with springs (18), two ends of each spring (18) are respectively fixedly connected with the limiting blocks (16) and the base (11), and the limiting blocks (16) are located in the accommodating grooves (17) and are slidably connected with the base (11).

7. The plunger pump convenient to assemble according to claim 6, wherein the base (11) is provided with a stop groove (19) in the receiving groove (17), and the limiting block (16) is fixedly connected with a stop key (20) in the stop groove (19).