CN2703141Y - Straightway self-priming pump - Google Patents

Abstract

The utility model provides a straightway self-priming pump, which is especially suitable for being matched on an electric atomizer, and also can be used in the small flow transferring facility. The straightway self-priming pump is provided with a direct current electric motor, on which a pump body is connected; the pump body is provided with a water inlet connector, a water outlet connector, a pump chamber and a valve cavity; an eccentric seat is arranged in the pump chamber; an eccentric wheel is arranged in the eccentric seat; a motor shaft is matched and connected with the eccentric wheel; the valve cavity is that both sides of the pump body are respectively provided with water inlet valve cavities and water outlet valve cavities; the water inlet valve cavity is communicated with the water inlet connector; the water outlet valve cavity is communicated with the water outlet joint; the water inlet valve cavity and the water outlet valve cavity are respectively provided with a water inlet valve sheet and a water outlet valve sheet; the water inlet valve sheet and the water outlet are matched with a valve seat; diaphragm plates are provided out of the valve cavity and the pump chamber; the diaphragm plates are connected with both ends of the eccentric seat; a diaphragm press cap is provided out of the pump chamber; fixed end caps are provided out of the diaphragm press cap and the valve seat. The diaphragm plate is caused to vibrate due to the swinging of the eccentric seat by the self-priming pump, which causes the pump chamber and the pump cavity to generate the negative pressure to achieve the water suction and the water discharge.

Description

The direct current self-priming pump

Technical field

The utility model relates to pump, particularly relates to the pump that dc micro-motor drives, main be suitable for power spraye etc. supporting.

Background technique

Existing straightway pump adopts reciprocating pump or gear pump, vane pump and plunger pump etc., thus the major defect that exists of prior art to have on the one hand be that mechanical wear is big, operating current is big, storage battery is short service time; Be the volume heaviness on the other hand, the supporting load that increases the operator in the back-pack electric sprayer especially; The 3rd, easy rust corrosion, working life is short.

Summary of the invention

The purpose of this utility model provides a kind of employing does not have galling, corrosion-resistant non-corrosive, and power consumption is economized, and is in light weight, is adapted at most using on the power spraye, is applicable to that also small flow shifts the direct current self-priming pump in the facility.

The technological scheme of the utility model direct current self-priming pump is: a direct current generator is arranged, connect the pump housing on the motor, the pump housing is shaped on water supply connector, water output connector, pump chamber and valve pocket, it is characterized in that setting-up eccentricity seat in the pump chamber, eccentric wheel is arranged in the eccentric mounting, and motor shaft matches with eccentric wheel; Described valve pocket is respectively to be shaped on into water valve pocket and water outlet valve pocket in the both sides of the pump housing, the logical water supply connector of water inlet valve pocket, water outlet valve pocket pass-out water swivel, be installed into respectively in water inlet valve pocket and the water outlet valve pocket, the water outlet valve block, the water-in and water-out valve block has valve seat, outside valve pocket and pump chamber diaphragm plate is arranged, and diaphragm plate is connected the eccentric mounting two ends, the barrier film gland is arranged outside pump chamber, outside barrier film gland and valve seat, install and fix end cap.

The utility model at work, eccentric wheel in motor shaft drive eccentric mounting, make the eccentric mounting swing, be connected diaphragm plate on the eccentric mounting simultaneously along with vibration, make the pump chamber in the pump chamber produce negative pressure of vacuum after the diaphragm plate vibration, negative pressure of vacuum is opened the two-way water inlet valve block in the valve seat, make water be drawn into pump chamber from water supply connector, pump chamber gets water and forms hydraulic pressure, push two-way water outlet valve block open, water is extruded from water output connector, finish once suction, because the motor continuous operation makes pump produce uninterrupted water-in and water-out.Therefore this pump produces suction with the vibration negative pressure, does not have the machinery wearing and tearing, and the pumping load is light, and power consumption is economized, and is particularly reducing flow, and when increasing pumping pressure, power consumption reduces on the contrary, and energy-saving effect is especially outstanding, is adapted at supporting application on the power spraye most.And this pump volume is little, and is in light weight, alleviates to bear (knapsack sprayer), conveniently moving.Component such as diaphragm plate adopt resistant material manufacturing, non-corrosive, long service life.

In order to make pump pressure reach automatic control, safe in utilization, on the pump housing, be shaped on the automatic control surge-chamber, the automatic control diaphragm is installed between the pump chamber of automatic control surge-chamber and pump chamber, trim ring and pressing plate are arranged on the automatic control diaphragm, feeler A is arranged on the pressing plate, spring and spring bracket are arranged in the pressing plate, connect pressure switch on the spring bracket, the pressure switch B that takes the lead, the feeler A and the switch of the pressing plate B that takes the lead matches, and the automatic control valve gap is installed at the top, when high pressure water heads on automatic control diaphragm (solid), after making the automatic control pressing plate risen by hydraulic pressure, spring is compressed, and makes the feeler A of automatic control pressing plate push up pressure switch and takes the lead behind the B, and pressure switch is cut off the electricity supply automatically.

Description of drawings

Fig. 1 is the utility model direct current self-priming pump sub-unit structural representation;

Fig. 2, Figure 13 are the utility model direct current self-priming pump pump housing schematic representation;

Fig. 3 is the eccentric mounting schematic representation;

Fig. 4 is the electric machine support schematic representation;

Fig. 5 is the direct current generator schematic representation;

Fig. 6 is an automatic control valve gap schematic representation;

Fig. 7 is automatic pressure-controlled valve sub-unit schematic representation;

Fig. 8, Figure 18 are the end cap schematic representation;

Fig. 9, Figure 17 are the valve seat schematic representation;

Figure 10, Figure 16 are barrier film gland schematic representation;

Figure 11, Figure 15 are the diaphragm plate schematic representation;

Figure 12, Figure 14 are water-in and water-out valve block schematic representation.

1, direct current generator; 2, electric machine support; 3, eccentric mounting; 4, the pump housing; 5, automatic control diaphragm; 6, automatic control mould circle; 7, automatic control pressing plate; 8, spring; 9, spring bracket; 10, pressure switch; 11, automatic control valve gap; 12,12 ', the water-in and water-out valve block; 13,13 ', diaphragm plate; 14,14 ', the barrier film gland; 15,15 ', valve seat; 16,16 ', end cap; 31, eccentric wheel; 41, water supply connector; 42, water output connector; 43, pump chamber; 44, water inlet valve pocket; 45, water outlet valve pocket; 46, automatic control surge-chamber.

Embodiment

The utility model discloses a kind of direct current self-priming pump, mainly can be divided into power section, the pump housing and suction, water discharging part and automatic control pressure-regulating portion branch are formed, wherein power section is that a direct current generator 1 is arranged, on the motor 1 electric machine support 2 can be installed, be connected with the pump housing 4 by electric machine support, the pump housing and suction, water discharging part is that the pump housing 4 is shaped on water supply connector 41, water output connector 42, pump chamber and valve pocket, its technical characteristics is setting-up eccentricity seat 3 in the pump chamber 43, eccentric wheel 31 is arranged in the eccentric mounting 3, motor shaft matches with eccentric wheel 31, described valve pocket is respectively to be shaped on into water valve pocket 44 and water outlet valve pocket 45 in the both sides of the pump housing, the water intake of the logical water supply connector 41 of water inlet valve pocket, the water outlet of water outlet valve pocket pass-out water swivel 42, be installed into respectively in water inlet valve pocket and the water outlet valve pocket, water outlet valve block 12,12 ', advance, water outlet valve block 12,12 ' valve seat 15 arranged, 15 ', diaphragm plate 13 is arranged outside valve pocket and pump chamber, 13 ', diaphragm plate is connected the eccentric mounting two ends, barrier film gland 14 is arranged outside pump chamber, 14 ', outside barrier film gland and valve seat, install and fix end cap 16,16 ', extremely shown in Figure 180 as Fig. 8, the pump housing and suction, water discharging part is a two symmetrical groups.Automatic control pressure regulation part is as Fig. 6, shown in Figure 7, be shaped on automatic control surge-chamber 46 in the pump housing 4, automatic control diaphragm 5 is installed between the pump chamber of automatic control surge-chamber and pump chamber, trim ring 6 and pressing plate 7 are arranged on the automatic control diaphragm 5, feeler A is arranged on the pressing plate 7, spring 8 and spring bracket 9 are arranged in the pressing plate 7, connect pressure switch 10 on the spring bracket, pressure switch 10 B that takes the lead, the feeler A and the switch of the pressing plate B that takes the lead matches, and automatic control valve gap 11 is installed at the top, and can be on automatic control valve gap 11 the setting pressure adjusting screw, determine height by adjusting screw, promptly to the compression of spring force from governor pressure.

Claims (3)

1, the direct current self-priming pump, a direct current generator (1) is arranged, connect the pump housing (4) on the motor, the pump housing is shaped on water supply connector (41), water output connector (42), pump chamber and valve pocket, it is characterized in that setting-up eccentricity seat (3) in the pump chamber, eccentric wheel (31) is arranged in the eccentric mounting (3), motor shaft matches with eccentric wheel (31), described valve pocket is that two at the pump housing respectively are shaped on into water valve pocket (44) and water outlet valve pocket (45), the logical water supply connector (41) of water inlet valve pocket, water outlet valve pocket pass-out water swivel (42), be installed into respectively in water inlet valve pocket and the water outlet valve pocket, water outlet valve block (12,12 '), advance, water outlet valve block (12,12 ') valve seat (15 arranged, 15 '), diaphragm plate (13 is arranged outside valve pocket and pump chamber, 13 '), diaphragm plate is connected the eccentric mounting two ends, and barrier film gland (14 is arranged outside pump chamber, 14 '), outside barrier film gland and valve seat, install and fix end cap (16,16 ').

2, direct current self-priming pump as claimed in claim 1, it is characterized in that being shaped on the pump housing (4) automatic control surge-chamber (46), automatic control diaphragm (5) is installed between the pump chamber of automatic control surge-chamber and pump chamber, trim ring (6) and pressing plate (7) are arranged on the automatic control diaphragm (5), feeler (A) is arranged on the pressing plate (7), spring (8) and spring bracket (9) are arranged in the pressing plate (7), connect pressure switch (10) on the spring bracket, pressure switch (1) take the lead (B), the feeler (A) of pressing plate (7) take the lead with switch (B) match, automatic control valve gap (11) is installed at the top.

3, direct current self-priming pump as claimed in claim 1 is characterized in that upward installation electric machine support (2) of motor (1), and electric machine support is connected with the pump housing (4).

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