CN207989241U - A kind of four cylinder plunger pumps - Google Patents

Abstract

The utility model discloses a kind of four cylinder plunger pumps, its key points of the technical solution are that：Including the pump housing, it is fixedly connected on the pump head of pump housing side, the pump head is equipped with water inlet, water outlet, the water outlet is located at the top of water inlet, pump chamber is equipped in the pump housing, four first through hole are provided through on the side wall that the pump head is contacted with the pump housing, it is equipped with the first sealing ring in the first through hole, is provided with four plunger rods to move reciprocatingly along the axial direction of pump chamber in the pump chamber, four plunger rods both pass through the first through hole and are connected with pump head；This plunger pump is moved reciprocatingly in pump chamber simultaneously using four plunger rods, is conducive to enhance the water suction of plunger pump entirety, pressure water speed, and then the water suction of plunger pump, pressure water efficiency can be improved.

Description

A kind of four cylinder plunger pumps

Technical field

The utility model is related to a kind of plunger pump, more particularly to a kind of four cylinder plunger pumps.

Background technology

Plunger pump be it is a kind of moved back and forth in cylinder body by plunger, make the volume of seal operation cavity change come it is real It now absorbs water, the device of pressure water.

Existing plunger pump such as notification number is a kind of Chinese utility model patent of CN201187425Y, and it discloses one kind Single-cylinder axial short plunger pump, including shell, input shaft, oil inlet, rear bearing cover, oil outlet and front bearing retainer, the interior installation of shell There is cylinder body moving up and down, is installed in cylinder body there are two angled end-face axis, angled end-face axis is fixed on input shaft.

When above-mentioned plunger pump work, two cylinder bodies in shell move up and down, with the axis with driven input shaft inside housings To moving repeatedly, in the process of moving, oil inlet and outlet is enable to be repeatedly opened or close, to realize the suction of plunger pump Oil, pressure oil effect；This plunger pump can also be used for water suction, pressure water effect, but during the work time, only lean on input shaft It moves repeatedly, realizes and the suction pressure water of shell is acted on, whole suction pressure water speed is slower, less efficient.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of four cylinder plunger pumps, have Fast, the efficient advantage of water suction, pressure water speed.

The above-mentioned technical purpose of the utility model technical scheme is that：A kind of four cylinder plunger pumps, Including the pump housing, it is fixedly connected on the pump head of pump housing side, the pump head is equipped with water inlet, water outlet, and the water outlet is located at The top of water inlet, the pump housing is interior to be equipped with pump chamber, and four first are provided through on the side wall that the pump head is contacted with the pump housing Through-hole, the first through hole is interior to be equipped with the first sealing ring, and being provided with four axial directions along pump chamber in the pump chamber moves reciprocatingly Plunger rod, four plunger rods both pass through the first through hole and are connected with pump head.

Through the above technical solutions, when plunger pump is started to work, four plunger rods in pump chamber are done along the cavity wall of pump chamber It moves back and forth so that flow is discharged from water outlet again after water inlet sucking, realizes water suction, the pressure water effect of the pump housing；This column Plug pump is conducive to the power for enhancing plunger pump entirety using the reciprocating motion of four plunger rods so that flow can more quickly Ground enters from water inlet, then is discharged from water outlet, and then the water suction of plunger pump entirety, pressure water efficiency can be improved.

Preferably, the pump housing includes pump case and rear cover, and it is close that the rear cover offers annular on the side wall of pump case Sealing groove is equipped with ring type seal in the annular seal groove, and bolt stem is equipped with if being covered after described, the pump case by bolt with Rear cover is connected.

Through the above technical solutions, when generating partial fault inside plunger pump, can be incited somebody to action by the bolt covered after unscrewing Rear cover is opened, in order to which the inside to the pump housing repairs.

Preferably, the first through hole side wall of first sealing ring side is equipped with the first tight loop, first fastening The lateral wall of circle is tightly attached to the hole wall of first through hole, and first tight loop is extended with card on the side wall of the first sealing ring Block offers the card slot being engaged by clamping with the fixture block on the side wall of first sealing ring.

Through the above technical solutions, when the first sealing ring is placed in first through hole, the first tight loop placement first is led to It in hole and pushes against in the first sealing ring, the fixture block on the first sealing ring is made mutually to be clamped with the card slot on the first tight loop, with enhancing To the installation stability of the first sealing ring, be conducive to enhance the leakproofness in the pump housing.

Preferably, the side of first tight loop is equipped with the second tight loop, first tight loop and the second tight loop Between be equipped with the second sealing ring, second tight loop offered on the side wall of the first tight loop for it is described second sealing Enclose embedded seal groove.

Through the above technical solutions, after the first tight loop is installed in first through hole, the second sealing ring is added, and Second tight loop is installed on the second sealing ring, the second sealing ring is made to be embedded into the seal groove on the second tight loop, be conducive into One step enhances the leakproofness of pump body.

Preferably, several swivelling chutes, the rotation are offered on the side wall of second tight loop far from the second sealing ring Slot is uniformly distributed in the circumferential direction of the second tight loop.

It, can be by by installation tool through the above technical solutions, when needing the second tight loop being installed in first through hole It is inserted into two opposite swivelling chutes, then by being rotatablely installed tool, the second tight loop is made to be threadedly tightened to first through hole It is interior, entire rundown process convenient quickly.

Preferably, the pump head includes pedestal, the control seat that is set to above pedestal and is set to pedestal far from the pump housing The water-logged base of side, the water inlet are located at water-logged base side, and the water outlet is located at control seat side；The pedestal and water inlet The tactile side wall of seated connection is equipped with second through-hole opposite with first through hole, and the pedestal side wall tactile with control seated connection is equipped with the It is equipped with check valve in three through-holes, second through-hole and third through-hole, the check valve water inlet direction in the second through-hole is located at the back of the body Side from pedestal, the check valve water inlet direction in third through-hole are located at close to the side of pedestal.

Through the above technical solutions, when plunger pump is started to work, water enters pedestal via the water inlet on water-logged base Inside, after the effect of plunger rod, water is entered via check valve in control seat again, and is arranged from the water outlet on control seat Go out；By the way that entire pump head is divided into water-logged base, pedestal and control seat, is shared out the work and help one another with realizing, be conducive to improve water suction, pressure water Efficiency.

Preferably, the both ends of the control seat are equipped with the first connecting hole, the second connecting hole, first connecting hole and second Gasket is equipped in connecting hole, first connecting hole is communicated with pressure gauge, and second connecting hole is communicated with pressure regulator valve.

Through the above technical solutions, when plunger pump is started to work, the oil pressure feelings of pump body can be detected by pressure gauge Condition if the oil pressure of pump body is too low or excessively high, then is adjusted by pressure regulator valve, to be carried out in time to the oil pressure in the pump housing Control.

Preferably, it is symmetrically extended on the lateral wall of second connecting hole there are two the first mounting blocks, the pressure regulator valve It is symmetrically extended second mounting blocks opposite with first mounting blocks on lateral wall, peace is hinged on two the first mounting blocks Loading board, opens up on the mounting plate jagged, and second mounting blocks are equipped with locating part, and the mounting plate can turn to second On mounting blocks, and abutting fixation is carried out by the way that locating part to be inserted into notch.

Through the above technical solutions, when needing to install pressure regulator valve, the second mounting blocks on pressure regulator valve are connect with second The first mounting blocks on hole align, and the mounting plate on the first mounting blocks is rotated around hinge joint to the second mounting blocks, installation is made The side jaggy of setting on plate reaches the second mounting blocks and is equipped with the side of locating part, and make locating part enter in notch with It abuts and fixes；When needing replacing pressure regulator valve, locating part is released, so that locating part is detached from notch, and mounting plate is deviated from around hinge joint Second mounting blocks move, and pressure regulator valve is removed and replaced, the disassembly process of entire pressure regulator valve is easily convenient.

Preferably, limiting slot is offered on second mounting blocks, the locating part includes that sliding is connected to the limit Wedge block in slot and the spring for being fixedly connected on wedge block bottom, the one end of the spring far from wedge block is fixedly connected In the slot bottom of limiting slot, and the spring forces in the cell wall that the wedge block makes wedge block protrude from limiting slot.

Through the above technical solutions, when mounting plate is towards in the second mounting blocks motion process, when mounting plate is contacted with locating part, Spring contraction makes wedge block be moved to the slot bottom of limiting slot, until when notch is opposite with limiting slot, spring restores and forces in wedge Shape block enters in notch, to complete to install；When replacing pressure regulator valve to release locating part, wedge block is squeezed, spring contraction is made, wedge shape Block enters in limiting slot and is detached from notch, and then mounting plate is made to be detached from the second mounting blocks, to complete to dismantle.

In conclusion the utility model having the beneficial effect that in contrast to the prior art：

1, pass through be arranged four plunger rods so that the suction pressure speed oil of plunger pump entirety faster, it is more efficient；

2, by the way that the first sealing ring and the second sealing ring are arranged in first through hole, and pass through the first tight loop and second Tight loop is fixed, and is conducive to the leakproofness for enhancing pump body；

3, pressure regulator valve is removably connected to by mounting plate and locating part on control seat, in order to be carried out more to pressure regulator valve It changes.

Description of the drawings

Fig. 1 is the overall structure figure of embodiment, the overall structure for emphasis displaying embodiment；

Fig. 2 is the phantom of embodiment, the internal structure for part in emphasis displaying embodiment；

Fig. 3 is the enlarged drawing in the portions A in Fig. 2, is the structure in first through hole for emphasis displaying；

Fig. 4 is the explosive view of pump head, the Each part for emphasis displaying pump head；

The sectional view of Fig. 5 seats in order to control for emphasis displaying pressure regulator valve and controls the mounting structure between seat；

Fig. 6 is the enlarged drawing in the portions B in Fig. 5, the disassembly and assembly structure for emphasis displaying pressure regulator valve.

Reference numeral：1, the pump housing；11, pump chamber；12, plunger rod；13, pump case；14, rear cover；141, annular seal groove；142、 Ring type seal；2, pump head；21, pedestal；211, the second through-hole；212, third through-hole；22, water-logged base；221, water inlet；23、 Control seat；231, water outlet；232, the first connecting hole；233, the second connecting hole；234, gasket；24, pressure gauge；25, pressure regulation Valve；3, first through hole；31, the first sealing ring；311, card slot；4, the first tight loop；41, fixture block；5, the second tight loop；51, close Sealing groove；52, swivelling chute；6, the second sealing ring；7, check valve；8, the first mounting blocks；81, mounting plate；811, notch；9, the second peace Fill block；91, limiting slot；10, locating part；101, wedge block；102, spring.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing.

Referring to Fig. 1, Fig. 2, a kind of four cylinder plunger pumps, including the pump housing 1 and the pump head 2 for being fixedly connected on 1 side of the pump housing.

The pump housing 1 includes pump case 13 and rear cover 14, and rear cover 14 offers annular seal groove on the side wall of pump case 13 141, annular seal groove 141 is interior to be equipped with ring type seal 142, if the end of 14 lateral wall of rear cover is equipped with bolt stem, pump case 13 is logical Bolt is crossed with rear cover 14 to be connected.

Referring to Fig. 1, Fig. 2 and Fig. 4, pump head 2 includes pedestal 21, is set to control seat 23 and the setting of 21 top of pedestal In water-logged base 22 of the pedestal 21 far from 1 side of the pump housing, side of the water-logged base 22 far from pedestal 21 is equipped with water inlet 221, controls seat It is symmetrical arranged on 23 there are two water outlet 231, water inlet 221 is located exactly at the middle part lower end between two water outlets 231.

It is equipped with pump chamber 11 in pump case 13, is provided through on the side wall that pedestal 21 is in contact with pump case 13 and is connected with pump chamber 11 Four logical first through hole 3, first through hole 3 is interior to be equipped with the first sealing ring 31, and the first sealing ring 31 is located at first through hole 3 far from pump One end of shell 13；Being arranged side by side in pump chamber 11 has four plunger rods 12 to move reciprocatingly along the axial direction of pump chamber 11, four plungers Bar 12 both passes through first through hole 3 and is connected with pedestal 21.

Referring to Fig. 2, Fig. 3, the first tight loop 4 is equipped in first through hole 3 of first sealing ring 31 far from pedestal 21, first is tight Admittedly the lateral wall of circle 4 is tightly attached to the hole wall of first through hole 3, the first tight loop 4 is extended on the side wall of the first sealing ring 31 Fixture block 41 offers card slot 311 on the side wall of first sealing ring 31, and fixture block 41 is inserted into card slot 311 to complete to be clamped, can be increased The installation stability of first sealing ring 31.

First tight loop 4 is threaded with the second tight loop 5 on 3 side wall of first through hole far from the first sealing ring 31, the The second sealing ring 6 is equipped between one tight loop 4 and the second tight loop 5, the second tight loop 5 is on the side wall of the first tight loop 4 Offer the seal groove 51 being embedded in for the second sealing ring 6；Second tight loop 5 offers on the side wall far from the second sealing ring 6 Several swivelling chutes 52, swivelling chute 52 are uniformly distributed in the circumferential direction of the second tight loop 5.

Referring to Fig. 4, Fig. 5 and Fig. 6, side wall that pedestal 21 is contacted with water-logged base 22 is equipped with opposite with first through hole 3 the Two through-holes 211, the side wall that pedestal 21 is contacted with control seat 23 are equipped with third through-hole 212, the second through-hole 211 and third through-hole Check valve 7 is equipped in 212, the check valve 7 in the second through-hole 211 intakes direction positioned at away from the side of pedestal 21, and third is logical Check valve 7 in hole 212 intakes direction positioned at close to the side of pedestal 21, and flow is via water inlet 221 and the second through-hole 211 It is discharged into after controlling seat 23 from water outlet 231, during which due to check valve 7 into pedestal 21, then via third through-hole 212 Setting, can reduce flow and the case where adverse current occur.

The both ends for controlling seat 23 are equipped with the first connecting hole 232, the second connecting hole 233, and the first connecting hole 232 is connect with second Gasket 234 is equipped in hole 233, the first connecting hole 232 is communicated with the pressure gauge 24 for detecting hydraulic pressure, the second connecting hole 233 are communicated with the pressure regulator valve 25 for adjusting hydraulic pressure.

It is symmetrically extended on the outer hole wall of second connecting hole 233 there are two the first mounting blocks 8, it is right on the lateral wall of pressure regulator valve 25 Title is extended with second mounting blocks 9 opposite with the first mounting blocks 8, and two 8 bottoms of the first mounting blocks are hinged with mounting plate 81, peace After loading board 81 is rotated to the first mounting blocks 8, side of the mounting plate 81 far from hinge joint fits in the end face of the first mounting blocks 8.

Limiting slot 91 is offered on second mounting blocks 9, locating part 10 is equipped in limiting slot 91, and locating part 10 includes that sliding connects The wedge block 101 that is connected in limiting slot 91 and the spring 102 for being fixedly connected on 101 bottom of wedge block, spring 102 is far from wedge One end of shape block 101 is fixedly connected on the slot bottom of limiting slot 91, and spring 102 forces in wedge block 101 and wedge block 101 is made to protrude It is located at away from the side of pressure regulator valve 25 in the lozenges of the cell wall of limiting slot 91, wedge block 101；Mounting plate 81 fits in the first peace It fills and opens up jagged 811, after mounting plate 81 is can turn on the second mounting blocks 9 on the end face of block 8, wedge block 101, which can be inserted into, to be lacked In mouth 811 and abutting fixation is carried out to mounting plate 81, and then pressure regulator valve 25 can be removably connected on control seat 23.

The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention It encloses, the scope of protection of the utility model is determined by the attached claims.

Claims (9)

1. a kind of four cylinder plunger pumps, including the pump housing (1), the pump head (2) for being fixedly connected on the pump housing (1) side, on the pump head (2) Equipped with water inlet (221), water outlet (231), the water outlet (231) is located at the top of water inlet (221), it is characterized in that：Institute It states and is equipped with pump chamber (11) in the pump housing (1), four first are provided through on the side wall that the pump head (2) contacts with the pump housing (1) and is led to Hole (3), the first through hole (3) is interior to be equipped with the first sealing ring (31), and four are provided with along pump chamber (11) in the pump chamber (11) The plunger rod (12) that moves reciprocatingly of axial direction, four plunger rods (12) both pass through the first through hole (3) and with pump head (2) phase Connection.

2. a kind of four cylinder plunger pump according to claim 1, it is characterized in that：The pump housing (1) include pump case (13) and Rear cover (14), the rear cover (14) offer annular seal groove (141), the annular seal groove on the side wall of pump case (13) (141) in be equipped with ring type seal (142), the rear cover (14) if be equipped with bolt stem, the pump case (13) by bolt with Rear cover (14) is connected.

3. a kind of four cylinder plunger pump according to claim 1, it is characterized in that：The first of first sealing ring (31) side Through-hole (3) side wall is equipped with the first tight loop (4), and the lateral wall of first tight loop (4) is tightly attached to the hole of first through hole (3) Wall, first tight loop (4) are extended with fixture block (41), first sealing ring on the side wall of the first sealing ring (31) (31) card slot (311) being engaged by clamping with the fixture block (41) is offered on side wall.

4. a kind of four cylinder plunger pump according to claim 3, it is characterized in that：The side of first tight loop (4) is equipped with Second tight loop (5), between first tight loop (4) and the second tight loop (5) be equipped with the second sealing ring (6), described second Tight loop (5) is offered on the side wall of the first tight loop (4) for the embedded seal groove of second sealing ring (6) (51)。

5. a kind of four cylinder plunger pump according to claim 4, it is characterized in that：Second tight loop (5) is close far from second Several swivelling chutes (52) are offered on the side wall of seal (6), the swivelling chute (52) is uniformly distributed in the week of the second tight loop (5) To on direction.

6. a kind of four cylinder plunger pump according to claim 1, it is characterized in that：The pump head (2) includes pedestal (21), setting Control seat (23) above pedestal (21) and it is set to water-logged base (22) of the pedestal (21) far from the pump housing (1) side, it is described Water inlet (221) is located at water-logged base (22) side, and the water outlet (231) is located at control seat (23) side；The pedestal (21) The side wall contacted with water-logged base (22) is equipped with second through-hole (211) opposite with first through hole (3), the pedestal (21) and control The side wall of seat (23) contact processed is equipped with third through-hole (212), is all provided in second through-hole (211) and third through-hole (212) There is check valve (7), check valve (7) the water inlet direction in the second through-hole (211) is located at away from the side of pedestal (21), third through-hole (212) check valve (7) the water inlet direction in is located at close to the side of pedestal (21).

7. a kind of four cylinder plunger pump according to claim 6, it is characterized in that：The both ends of the control seat (23) are equipped with first It is equipped with sealing in connecting hole (232), the second connecting hole (233), first connecting hole (232) and the second connecting hole (233) It pads (234), first connecting hole (232) is communicated with pressure gauge (24), and second connecting hole (233) is communicated with pressure regulator valve (25)。

8. a kind of four cylinder plunger pump according to claim 7, it is characterized in that：The lateral wall of second connecting hole (233) On be symmetrically extended there are two the first mounting blocks (8), be symmetrically extended on the lateral wall of the pressure regulator valve (25) and first peace Opposite the second mounting blocks (9) of block (8) are filled, mounting plate (81), the mounting plate are hinged on two the first mounting blocks (8) (81) it is opened up on jagged (811), second mounting blocks (9) are equipped with locating part (10), and the mounting plate (81) is rotatable Abutting fixation is carried out to the second mounting blocks (9), and by the way that locating part (10) to be inserted into notch (811).

9. a kind of four cylinder plunger pump according to claim 8, it is characterized in that：It is opened up on second mounting blocks (9) limited Position slot (91), the locating part (10) include the wedge block (101) that sliding is connected in the limiting slot (91) and fixed company It is connected to the spring (102) of wedge block (101) bottom, the one end of the spring (102) far from wedge block (101) is fixedly connected on limit The slot bottom of position slot (91), and the spring (102) forces in the wedge block (101) and wedge block (101) is made to protrude from limiting slot (91) cell wall.