CN2813925Y

CN2813925Y - Multi-plunger diaphragm pump

Info

Publication number: CN2813925Y
Application number: CN 200520085666
Authority: CN
Inventors: 刘万斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-07-29
Filing date: 2005-07-29
Publication date: 2006-09-06
Anticipated expiration: 2015-07-29

Abstract

The utility model discloses a multi-plunger diaphragm pump, which is composed of a pump body, a main shaft, a liquid inlet port, a liquid outlet port, plungers, a hydraulic cylinder, springs, diaphragms, and a one-way valve, wherein a pump chamber is arranged around the main shaft, in the pump body, the main shaft is fixedly sheathed with an eccentric shaft sleeve which is externally fixed with a bearing and the bearing is fixed with a push disk which is universally connected with the plungers through steering ball heads. The utility model has the characteristics of simple and reasonable structure, the circularly arranged pump chamber, small size, low power consumption, homogeneous liquid out from the pump, high pressure, capability of running quickly and convenient maintenance.

Description

A kind of multicolumn plug diaphragm pump

One, technical field

The utility model belongs to technical field of chemical, especially relates to a kind of multicolumn plug barrier film high-pressure service pump that contains solid particle that is used to carry.

Two, background technique

The plunger membrance pump is a kind of pump that is used to contain the conveying of solid particle liquid of using always, and existing plunger membrance pump generally is to adopt N shape main shaft drivening rod, drives plunger pump work by connecting rod, this mode of structure, can satisfy general needs, but owing to adopt connecting rod to drive, its plunger pump chamber can only linear array, cause volume excessive, frequency of okperation is low excessively, causes the liquid that pumps that pulsation phenomenon is arranged, simultaneously because the restriction of its structure, cause maintenance inconvenient, power consumption is higher.

Three, summary of the invention

The purpose of this utility model be to improve the deficiency of prior art and provide a kind of simple and reasonable, pump chamber annular array, volume little, low in energy consumption, pump that liquid is even, pressure is high, can run up, multicolumn plug diaphragm pump easy to maintenance.

The purpose of this utility model is to realize like this, a kind of multicolumn plug diaphragm pump, form by the pump housing, main shaft, liquid entering hole, liquid outlet, plunger, oil hydraulic cylinder, spring, diaphragm and one-way valve, be characterized in that pump chamber arranges around main shaft, be fixed with excentric sleeve on the main shaft in the pump housing, the axle sleeve outer fixing has bearing, is fixed with push-plate on the bearing, and push-plate is connected by steering ball end and plunger are universal.

In order further to realize the purpose of this utility model, can be in the plunger compartment, to be provided with pilot sleeve, pilot sleeve is provided with limit stoper.

In order further to realize the purpose of this utility model, can be that limit stoper is to be provided with piston on the axis of guide in plunger, the plunger inwall is provided with pilot sleeve, form the gap between the top of pilot sleeve and plunger inwall, the guide sleeve barrel is provided with adjustment hole, adjustment hole is communicated with pilot sleeve inside and gap, and plunger inwall lower limb is provided with rib, is with spring on the axle of rib and piston space.

In order further to realize the purpose of this utility model, can be to be provided with pressure oil chamber at pump housing internal upper part, pressure oil chamber is provided with oil supply hole, is provided with pressure oil chamber and leads to one-way valve in the plunger on plunger.

Compared with the prior art the utility model has following distinguishing feature and good effect: the utility model adopts pump chamber to arrange around main shaft; changed the pump chamber linear array mode of prior art; reduced volume; be fixed with excentric sleeve on the main shaft in the pump housing; the axle sleeve outer fixing has bearing; be fixed with push-plate on the bearing; push-plate is connected by steering ball end and plunger are universal; eccentric rotary by push-plate; promote moving up and down of plunger; eccentric rotary can reach high rotational speed; simultaneously can drive more plunger; make the flow rate of liquid that pumps even; improved efficient; reduced power consumption; it is simple that structure becomes; easy to maintenance; pilot sleeve in the plunger compartment is provided with limit stoper, has guaranteed that plunger moves in reasonable range, and what make diaphragm stressedly is no more than the scope that it bears; protected diaphragm; be provided with pressure oil chamber at pump housing internal upper part, pressure oil chamber is provided with oil supply hole, is provided with pressure oil chamber and leads to one-way valve in the plunger on plunger; can oiling in plunger cavity in time, guaranteed that pressure in the plunger cavity is in operating range.

Four, description of drawings

Below in conjunction with drawings and Examples the utility model is described in further detail.

Fig. 1 is a kind of structural representation of the present utility model.

Fig. 2 is a plunger cavity partial structurtes schematic representation of the present utility model.

Fig. 3 is an another kind of structural representation of the present utility model.

Five, specific embodiments

Embodiment 1, a kind of plunger membrance pump, with reference to Fig. 1, be to be provided with pump chamber at the middle part of the pump housing 9, pump chamber is arranged around the main shaft 1 at the pump housing 9 centers, be that 3 pump chambers are around main shaft 1 rounded arrangement in the present embodiment, be fixed with excentric sleeve 7 on the main shaft 1 in the pump housing 9, axle sleeve 7 outer fixing have bearing 10, be fixed with push-plate 11 on the bearing 10, steering ball end on the push-

plate

11 and 3 universal connections of plunger, plunger 3 are installed on the axle 12 in the oil

hydraulic cylinder

4,4 of plunger 3 and oil hydraulic cylinders spools 12 on be with spring 5, the other end of axle 12 connects diaphragm 6, the opposite side of diaphragm 6 is liquid entering hole 2 and the liquid outlets 22 that have one-way valve 8, and it is a liquid entering hole and liquid outlet that the liquid entering hole 2 of pump chamber and liquid outlet 22 are communicated with respectively, and this constitutes a kind of structure of the present utility model.

Embodiment 2, a kind of plunger membrance pump, with reference to Fig. 1, Fig. 2, be on embodiment 1 basis, be that 5 pump chambers are arranged around main shaft 1 in the present embodiment, on plunger compartment's inner plunger axle 12, be provided with limit stoper, this device is that the axle in plunger 3 is provided with piston 13 on 12, plunger 3 inwalls are provided with pilot sleeve 14, form gap 16 between the top of pilot sleeve 14 and plunger 3 inwalls, and pilot sleeve 14 walls are provided with adjustment hole 15, adjustment hole 15 is communicated with pilot sleeve 14 inner and gaps 16, plunger 3 inwall lower limbs are provided with rib 17, are with spring 18 on the plunger axis 12 that rib 17 and piston are 13, and other and embodiment 1 are identical.

Embodiment 3, a kind of plunger membrance pump, with reference to Fig. 3, be on embodiment 2 basis, be that 4 pump chambers are arranged around main shaft 1 in the present embodiment, be provided with pressure oil chamber 19 at the pump housing 9 internal upper parts, pressure oil chamber 19 is provided with oil supply hole 20, be provided with pressure oil chamber 19 and lead to one-way valve 21 in the plunger 3 on plunger 3, other and embodiment 2 are identical.

When using the utility model; the rotation of main shaft 1 drives excentric sleeve 7; push-plate 11 rotates; push-plate 11 promotes coupled plunger 3 by steering ball end; increase the oil pressure in the oil hydraulic cylinder 4; diaphragm 6 is pushed to the dielectric chamber direction and agitates; make the liquid in the dielectric chamber be forced out liquid outlet 22 by one-way valve 8; steering ball end on the push-plate 11 is when rotation is lifted; spring 5 pushes back plunger 3; diaphragm 6 is led back; extraneous liquid is by liquid entering hole 2; one-way valve 8 enters dielectric chamber; limit stoper is the indoor oil pressure of pilot plunger, and when adjustment hole 15 was blocked in piston 13 motions, hydraulic oil can not enter in the piston cavity; could drive plunger 3 motions this moment; by regulating the position of adjustment hole 15, stroke that can pilot plunger 3, with the stroke that guarantees diaphragm 6 in the scope of safety; by oil supply hole 20 can the supplementary pressure grease chamber hydraulic oil in 19, make the diaphragm pump can proper functioning.

Claims

1, a kind of multicolumn plug diaphragm pump, form by the pump housing (9), main shaft (1), liquid entering hole (2), liquid outlet (22), plunger (3), oil hydraulic cylinder (4), spring (5), diaphragm (6) and one-way valve (8), it is characterized in that pump chamber arranges around main shaft (1), be fixed with excentric sleeve (7) on the main shaft (1) in the pump housing (9), axle sleeve (7) outer fixing has bearing (10), be fixed with push-plate (11) on the bearing (10), push-plate (11) is by steering ball end and universal connection of plunger (3).

2, a kind of multicolumn plug diaphragm pump according to claim 1 is characterized in that being provided with pilot sleeve (14) in the plunger compartment, and pilot sleeve (14) is provided with limit stoper.

3, a kind of multicolumn plug diaphragm pump according to claim 2, it is characterized in that limit stoper is to be provided with piston (13) on the axis of guide (12) in plunger (3), plunger (3) inwall is provided with pilot sleeve (14), form gap (16) between the top of pilot sleeve (14) and plunger (13) inwall, pilot sleeve (14) wall is provided with adjustment hole (15), adjustment hole (15) is communicated with the inner and gap (16) of pilot sleeve (14), plunger (3) inwall lower limb is provided with rib (17), is with spring (18) on the axle (12) between rib (17) and piston (13).

4, a kind of multicolumn plug diaphragm pump according to claim 1 and 2, it is characterized in that being provided with pressure oil chamber (19) at the pump housing (9) internal upper part, pressure oil chamber (19) is provided with oil supply hole (20), is provided with pressure oil chamber (19) and leads to one-way valve (21) in the plunger (3) on plunger (3).