CN210949009U

CN210949009U - Higher measuring pump of stability

Info

Publication number: CN210949009U
Application number: CN201921884021.9U
Authority: CN
Inventors: 汪宗文
Original assignee: Suzhou Assen River Environmental Science Co ltd
Current assignee: Suzhou Assen River Environmental Science Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-07-07
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a higher measuring pump of stability relates to the measuring pump field, including the headstock, the one end of headstock is provided with flange, flange's one end fixedly connected with measuring pump main part, and the piston plate has been cup jointed in flange's the inner chamber slip, and one side of measuring pump main part inside is provided with fluid, and fluid is located one side of piston plate, and the output of measuring pump main part is provided with first balanced pressure device, and the input of measuring pump main part is provided with the balanced pressure device of second. The utility model discloses utilize first balanced pressure device's mode of setting, along with the dosing pump pulsed spouts liquid flow, when pulse flow is hour, the effect of spring blocks it down immediately again to the slide, and when pulse flow was big, liquid extrusion slide slided, and liquid flows into the drain pipe through first balanced pressure, makes dosing pump output pressure region balance, avoids liquid pulsed pressure to cause the damage to the dosing pump.

Description

Higher measuring pump of stability

Technical Field

The utility model relates to a measuring pump field, in particular to higher measuring pump of stability.

Background

The fixed displacement pump is a variable displacement pump with variable output flow under the condition of constant rotating speed, otherwise, the fixed displacement pump is a fixed displacement pump, the biggest difference is that the shaft of the variable displacement pump is eccentrically arranged, the flow of the fixed displacement pump cannot be adjusted after the rotating speed of the fixed displacement pump is simply selected, the output flow of the variable displacement pump can be automatically adjusted according to the pressure change of a system, namely the output flow is small when the pressure is high, and the output flow is large when the pressure is low, so that the fixed displacement pump can save the number of hydraulic elements, but the flow pulsation of the fixed displacement pump is serious, the pressure of the system is not stable, and the output end and the input end of the pump are easily damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a higher measuring pump of stability to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a higher measuring pump of stability, includes the headstock, the one end of headstock is provided with flange, flange's one end fixedly connected with measuring pump main part, the piston plate has been cup jointed in flange's the inner chamber to the slip, the inside one side of measuring pump main part is provided with fluid, just fluid is located one side of piston plate, the output of measuring pump main part is provided with first balanced pressure device, the input of measuring pump main part is provided with second balanced pressure device.

Preferably, one end of the piston plate is fixedly connected with a first connecting rod, the outer wall of the first connecting rod is in sliding sleeve connection with the connecting flange, one end of the first connecting rod is rotatably connected with a second connecting rod, and one end of the second connecting rod is fixedly connected with a lantern ring.

Preferably, the inner wall of headstock rotates and is connected with first main shaft, the outer wall of first main shaft is fixed to be cup jointed eccentric carousel, eccentric carousel's outer wall rotates with the lantern ring and cup joints, the inner wall of headstock rotates and is connected with the second main shaft, the outer wall of second main shaft is fixed to be cup jointed first reversing gear, the outer wall of first main shaft just is located one side of eccentric carousel and is fixed to be cup jointed second reversing gear, and first reversing gear is connected with the meshing of second reversing gear.

Preferably, the upper surface of headstock is provided with the loading board, the top fixedly connected with motor of loading board, the motor passes loading board and headstock and is connected with the transmission of second main shaft, the front of headstock is fixed and is provided with the door plant.

Preferably, the first balance pressure device comprises a pressure reducing cylinder, the bottom of the pressure reducing cylinder is fixedly sleeved with the output end of the metering pump main body, the top of the pressure reducing cylinder is fixedly sleeved with a liquid outlet pipe, the inner cavity of the pressure reducing cylinder is slidably sleeved with a sliding plate, the outer wall of the sliding plate is fixedly sleeved with a sealing leather sleeve, and one side of the sliding plate is fixedly connected with a spring.

Preferably, the second balanced pressure device comprises a connecting cylinder, an inner cavity of the connecting cylinder is communicated with an input end of the metering pump main body, an air inlet pipe is fixedly sleeved at the top of the connecting cylinder, and a valve is arranged on one side of the air inlet pipe.

The utility model discloses a technological effect and advantage:

1. the utility model discloses utilize the setting mode of first balanced pressure device, when the liquid flow is spouted along with the constant delivery pump pulsed, when the pulse flow is little, the action of slide springing is immediately blocked to it, when the pulse flow is big, liquid extrusion slide slides, and liquid flows into the drain pipe through first balanced pressure, makes constant delivery pump output pressure regional balance, avoids liquid pulsed pressure to cause the damage to the constant delivery pump;

2. the utility model discloses utilize the mode of setting of second balanced pressure device, on the quantitative pump input was again set up to second balanced pressure device, when piston plate pulling diaphragm motion absorbed liquid, the gas in the connecting cylinder can reduce input internal pressure, avoids quantitative pump internal pressure too big and causes the quantitative pump diaphragm to damage.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the front internal structure of the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

Fig. 4 is an enlarged schematic structural diagram of the point B in fig. 2 according to the present invention.

In the figure: 1. a power box; 2. a connecting flange; 3. a piston plate; 4. a metering pump main body; 5. oil liquid; 6. a first counter-pressure device; 61. a pressure reducing cylinder; 62. a liquid outlet pipe; 63. a slide plate; 64. sealing the leather sheath; 65. a spring; 7. a second balanced pressure device; 71. a connecting cylinder; 72. an air inlet pipe; 8. a first connecting rod; 9. a second connecting rod; 10. a collar; 11. a first main shaft; 12. an eccentric turntable; 13. a second main shaft; 14. a first reversing gear; 15. a second reversing gear; 16. a carrier plate; 17. a motor; 18. a door panel.

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. 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.

The utility model provides a metering pump with higher stability as shown in figures 1-4, which comprises a power box 1, one end of the power box 1 is provided with a connecting flange 2, one end of the connecting flange 2 is fixedly connected with a metering pump main body 4, a piston plate 3 is sleeved in the inner cavity of the connecting flange 2 in a sliding way, the outer wall of the piston plate 3 is fixedly sleeved with a sealing leather gasket, the sealing leather gasket can enhance the sealing property of the piston plate 3, one side inside the metering pump main body 4 is provided with an oil liquid 5, the oil liquid 5 is positioned at one side of the piston plate 3, the output end of the metering pump main body 4 is provided with a first balanced pressure device 6, the input end of the metering pump main body 4 is provided with a second balanced pressure device 7, one end of the piston plate 3 is fixedly connected with a first connecting rod 8, the outer wall of the first connecting rod 8 is sleeved with the connecting flange 2 in a sliding, one end of the second connecting rod 9 is fixedly connected with a lantern ring 10;

the inner wall of the power box 1 is rotatably connected with a first main shaft 11, the outer wall of the first main shaft 11 is fixedly sleeved with an eccentric rotating disc 12, the eccentric rotating disc 12 is not contacted with a second main shaft 13 and a first reversing gear 14 when rotating, the outer wall of the eccentric rotating disc 12 is rotatably sleeved with a lantern ring 10, the inner wall of the power box 1 is rotatably connected with the second main shaft 13, the outer wall of the second main shaft 13 is fixedly sleeved with a first reversing gear 14, the outer wall of the first main shaft 11 is fixedly sleeved with a second reversing gear 15 on one side of the eccentric rotating disc 12, the first reversing gear 14 is meshed and connected with the second reversing gear 15, the upper surface of the power box 1 is provided with a bearing plate 16, the bearing plate 16 is fixedly connected with the power box 1 through a first bolt, the motor 17 can be conveniently detached and maintained, the top of the bearing plate 16 is fixedly connected with a motor 17, the motor 17 penetrates through the bearing plate 16 and, the front surface of the power box 1 is fixedly provided with a door plate 18, and the door plate 18 is fixedly connected with the power box 1 through a second bolt, so that the power box can be conveniently detached, and the installation and maintenance of internal components of the power box 1 are facilitated;

preferably, the first balanced pressure device 6 comprises a pressure reducing cylinder 61, the bottom of the pressure reducing cylinder 61 is fixedly sleeved with the output end of the metering pump main body 4, the top of the pressure reducing cylinder 61 is fixedly sleeved with a liquid outlet pipe 62, the inner cavity of the pressure reducing cylinder 61 is slidably sleeved with a sliding plate 63, the outer wall of the sliding plate 63 is fixedly sleeved with a sealing leather sleeve 64, one side of the sliding plate 63 is fixedly connected with a spring 65, the second balanced pressure device 7 comprises a connecting cylinder 71, the inner cavity of the connecting cylinder 71 is communicated with the input end of the metering pump main body 4, the top of the connecting cylinder 71 is fixedly sleeved with an air inlet pipe 72, and one side of the air inlet pipe 72;

the motor 17 is electrically connected with an external power supply through an external motor switch.

This practical theory of operation: when the metering pump main body 4 works, the output end and the input end of the metering pump main body 4 are connected with the water pipe, then the valve is opened, and liquid is sucked into the connecting cylinder 71 by utilizing an external air source until the liquid reaches one third of the position;

then a motor switch is turned on, a motor 17 is electrified to drive a second main shaft 13 to rotate, the first main shaft 11 rotates through the matching use of a first reversing gear 14 and a second reversing gear 15, the first main shaft 11 drives an eccentric turntable 12 to rotate, at the moment, a lantern ring 10 rotates along with the eccentric turntable 12, the lantern ring 10 drives a second connecting rod 9 and a first connecting rod 8 to reciprocate, the first connecting rod 8 drives a piston plate 3 to reciprocate, and then under the action of oil 5, a metering pump main body 4 works;

at this moment, the input end of the metering pump main body 4 is pumped with liquid, the pressure of the output end of the metering pump main body 4 is increased, the liquid in the connecting cylinder 71 is reduced, the pressure of the liquid is reduced, after the liquid absorption is completed, the liquid is sucked into the connecting cylinder 71 by the pressure in the connecting cylinder 71, then when the output end of the metering pump main body 4 outputs the liquid, the pressure of the output end of the metering pump main body is increased, the liquid pushes the sliding plate 63 to slide, and the liquid is discharged from the pressure reducing cylinder 61.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a higher measuring pump of stability, includes headstock (1), its characterized in that: the one end of headstock (1) is provided with flange (2), the one end fixedly connected with measuring pump main part (4) of flange (2), piston plate (3) have been cup jointed in the inner chamber of flange (2) to the slip, the inside one side of measuring pump main part (4) is provided with fluid (5), just fluid (5) are located one side of piston plate (3), the output of measuring pump main part (4) is provided with first balanced pressure device (6), the input of measuring pump main part (4) is provided with second balanced pressure device (7).

2. A dosing pump with high stability according to claim 1, characterized in that: the one end fixedly connected with head rod (8) of piston board (3), the outer wall and flange (2) of head rod (8) slip cup joint, the one end of head rod (8) is rotated and is connected with second connecting rod (9), the one end fixedly connected with lantern ring (10) of second connecting rod (9).

3. A dosing pump with high stability according to claim 1, characterized in that: the inner wall of headstock (1) rotates and is connected with first main shaft (11), the outer wall of first main shaft (11) is fixed to be cup jointed eccentric carousel (12), the outer wall and the lantern ring (10) of eccentric carousel (12) rotate and cup joint, the inner wall of headstock (1) rotates and is connected with second main shaft (13), first reversing gear (14) have been cup jointed to the outer wall of second main shaft (13) is fixed, the outer wall of first main shaft (11) and the one side that is located eccentric carousel (12) are fixed to be cup jointed second reversing gear (15), and first reversing gear (14) are connected with second reversing gear (15) meshing.

4. A dosing pump with high stability according to claim 1, characterized in that: the upper surface of headstock (1) is provided with loading board (16), the top fixedly connected with motor (17) of loading board (16), motor (17) pass loading board (16) and headstock (1) and are connected with second main shaft (13) transmission, the front of headstock (1) is fixed and is provided with door plant (18).

5. A dosing pump with high stability according to claim 1, characterized in that: first balanced pressure device (6) are including decompression section of thick bamboo (61), the bottom of decompression section of thick bamboo (61) is fixed to be cup jointed with the output end of measuring pump main part (4), the fixed drain pipe (62) that has cup jointed in top of decompression section of thick bamboo (61), slide (63) have been cup jointed in the inner chamber slip of decompression section of thick bamboo (61), sealed leather sheath (64) have been cup jointed to the outer wall of slide (63) is fixed, one side fixedly connected with spring (65) of slide (63).

6. A dosing pump with high stability according to claim 1, characterized in that: the second balanced pressure device (7) comprises a connecting cylinder (71), the inner cavity of the connecting cylinder (71) is communicated with the input end of the metering pump main body (4), the top of the connecting cylinder (71) is fixedly sleeved with an air inlet pipe (72), and a valve is arranged on one side of the air inlet pipe (72).