CN209484251U - Oil addition machine and its dispenser pump - Google Patents

Abstract

The utility model relates to oil addition technical field, in particular to a kind of oil addition machine and its dispenser pump.The oil addition machine includes driving motor and dispenser pump, dispenser pump includes pump seat and multiple pump cores being arranged on pump seat, pump core includes reciprocating plunger, each pump core is along the circumferentially-spaced arrangement of pump seat, pump seat includes the pedestal equipped with pump core installation cavity, pump core is arranged in pump core installation cavity, the circumferential surface of pedestal is equipped with the pump core installing port being connected to pump core installation cavity, pedestal periphery is arranged with the annular big envelope for blocking pump core installing port, annular big envelope and pedestal sealing cooperate, and annular big envelope is equipped with annular groove so as to surround the busway being connected to the pump core oil outlet of each pump core therebetween at least one in pedestal.The oil addition machine can be used for solving the problems, such as that charging machine in the prior art causes charging machine overall volume and weight larger because needing to install capping.

Description

Oil addition machine and its dispenser pump

Technical field

The utility model relates to oil addition technical field, in particular to a kind of oil addition machine and its dispenser pump.

Background technique

Currently, the large scale equipment in the industries such as wind-powered electricity generation, mega-construction project machinery, ship generally uses centralized lubrication pump to expire The position of the normal operation of its long maintenance period lubricating system of foot, centralized lubrication pump arrangement generally has narrow space, from the ground The features such as higher, and larger, the heavier-weight of existing oil addition body product, for pumping filling grease very not to centralized lubrication It is convenient, so it is imperative to design a kind of small in size, light-weight oil addition machine.

A kind of electronic bucket suck-back is disclosed in the Chinese utility model patent that Authorization Notice No. is CN203189998U to moisten Grease pump, the grease pump are used in centralized lubrication pump and fill grease.The grease pump includes plunger pump assembly, electricity Machine, deceleration mechanism and grease gun, plunger pump assembly include that the pump housing, sliding block and two plungers are paid；It is opposite there are two being set on the pump housing And the plunger cavity of insertion is paid for two plungers respectively, oil inlet and oil outlet are additionally provided on plunger cavity, sliding block is paid in plunger and inserted Linkage is paid with two plungers after entering in plunger cavity；It is connected with an eccentric shaft on the output wheel disc of deceleration mechanism, eccentric shaft insertion In sliding block and the reciprocating motion of realization sliding block driven by the motor, the reciprocating motion of sliding block drive plunger pair past in plunger cavity Multiple movement, and then realize pump oil operation；The oil outlet of plunger cavity is located at the top of plunger cavity, and passes through the peace of oil pipe and grease gun Assembling structure connection, and then grease is sent into grease gun.

Above-mentioned grease pump is for extracting the grease in small-sized oil drum and being filled into centralized lubrication pump, the lubricating grease pump housing Product it is small, light-weight, even if centralized lubrication pump present position narrow space, it is higher from the ground can be convenient realize grease plus Note；But by oil pipe by the installation knot of the flowline of two plunger cavities and grease gun in the plunger pump assembly of the grease pump Structure connection is to be used to convey grease into grease gun, but the structure inside plunger pump assembly is complex, and the installation of oil pipe is very It is inconvenient.

It is disclosed in the Chinese utility model patent that Authorization Notice No. is CN205101831U a kind of containing interior oil-collecting channel Grease adding machine, the technical solution recorded in the embodiment two of the grease adding machine are as follows: charging machine includes body, electricity Machine, eccentric wheel, body is circumferentially spaced multiple plunger cavities, is packed into plunger device in each plunger cavity, fills in plunger It sets after being packed into plunger cavity, by sealing plunger cavity, specially capping is equipped with external screw thread, and inner wall opens up on the outside of plunger cavity There is internal screw thread, the two is by being threadedly engaged assembly；Motor band movable eccentric wheel in the grease adding machine rotates, eccentric wheel rotation It links in the process with plunger device, and plunger device is moved back and forth, to realize pump oil operation；All plunger cavities pass through one A setting is in the intracorporal ring-shaped groove connection of machine, and the capping of one of plunger cavity is arranged to oil seal cover out, out oil seal cover On be provided with oil outlet, oil outlet can be used for connect with extraneous grease gun and the filling profit into the equipment for need grease up Consistent lubricant.

Above-mentioned grease adding machine realizes the connection of all plunger cavities by setting ring-shaped groove, because ring-shaped groove is opened It is located on body, so not needing to be arranged special oil pipe for connecting grease gun mounting structure；But because the lubricating grease adds Plunger cavity is blocked by covering on note machine, and capping and plunger cavity Screw assembly, so needing to open up interior spiral shell inside plunger cavity Line needs in plunger cavity there are sufficient positions for opening up internal screw thread, this can make the volume of body larger, so that entirely The volume and weight of grease adding machine is all larger.

Utility model content

The purpose of the utility model is to provide a kind of dispenser pumps, for solving the body in charging machine in the prior art because needing Capping is installed and leads to charging machine overall volume and the larger problem of weight；The utility model also provides a kind of oil addition Machine, for solving, charging machine in the prior art leads to charging machine overall volume because needing to install capping and weight is biggish asks Topic.

To achieve the above object, dispenser pump described in the utility model uses following technical scheme:

The dispenser pump includes pump seat and multiple pump cores being arranged on pump seat, and pump core includes reciprocating plunger, respectively For pump core along the circumferentially-spaced arrangement of pump seat, pump seat includes the pedestal equipped with pump core installation cavity, and pump core is arranged in pump core installation cavity, seat The circumferential surface of body is equipped with the pump core installing port being connected to pump core installation cavity, and pedestal periphery is arranged with for blocking pump core installing port Annular big envelope, annular big envelope and pedestal sealing cooperate, and are surrounded by between annular big envelope and pedestal fuel-displaced with the pump core of each pump core The busway of mouth connection.

The beneficial effect of dispenser pump described in the utility model is: annular big envelope is arranged by present external week in the dispenser pump Pump core installing port is blocked, compared to pump core installing port is blocked by covering, does not need to open in the pump core installation cavity of pedestal If internal screw thread, and then the volume of pedestal can be made to be reduced, the volume reduction of pedestal, which can reduce dispenser pump and use, is somebody's turn to do The overall weight and volume of the oil addition machine of dispenser pump, to be needed to fill using the oil addition machine comprising the dispenser pump The equipment of grease fills more convenient when grease.

Further, busway can be formed in the following way: pedestal is equipped with annular groove, annular big envelope inside The part for surrounding the busway on face with annular groove is cylindrical face.Collected by the way that annular groove is arranged on pedestal each Grease in a pump core installation cavity is connected to each pump core installation cavity, without special oil pipe is arranged again so as to keep away Exempt from bring trouble due to oil pipe installs inconvenience.

Further, pump core can be using such as flowering structure: pump core includes plunger bushing, and plunger is arranged in plunger bushing, plunger The check valve of the control unidirectional pump oil of pump core is additionally provided in set, check valve includes nonreturn valve core, and plunger bushing is close to pump core installing port One end is installed with the stop part that plunger bushing is left for limiting nonreturn valve core.It is limited by the way that stop part is arranged in pump core installation cavity Nonreturn valve core processed leaves plunger bushing, check valve can be packed into plunger bushing before entire plunger bushing installs pedestal, in this way It is more convenient that check valve is installed.

Further, annular big envelope can be installed in the following way: annular big envelope is sleeved on pedestal along the vertical direction Periphery.It is combined to form compared to annular big envelope by more than two fissions and adds sealing structure in the apposition position of adjacent fission, Annular big envelope is sleeved on the periphery of pedestal along the vertical direction, and annular big envelope does not need fission then, and also there is no need to add sealing knot Structure, so that the lower production costs of the dispenser pump.

Further, the structure of control piston reciprocation movement can be in the following way: pump seat is equipped with for controlling column The eccentric shaft moved back and forth is filled in, eccentric shaft is equipped with axle sleeve and snap ring, and the outer lateral edge eccentric shaft of the snap ring axially turns down and axis Set surrounds the card slot for driving piston reciprocation movement.Card slot drives piston reciprocation movement, because plunger is always without departing from card slot, then partially Mandrel is not in end and eccentric shaft or the axis being set on eccentric shaft of plunger during realizing piston reciprocation movement Set is there is a situation where hitting, so as to avoid the damage of plunger and eccentric shaft or the axle sleeve being set on eccentric shaft.

Further, pump seat can be in the following ways: pump seat is equipped with for the annular with the sealing cooperation of oil drum side wall Sealing element, the pump seat oil outlet of the pedestal of pump seat equipped with pump seat oil inlet directed downwardly and upward, pump seat oil outlet and confluence are logical Road is connected to and is connected with vertically extending flowline.Pump seat is equipped with can for the lip ring with the sealing cooperation of oil drum side wall To guarantee the air-tightness in bucket so that the pump oil of dispenser pump everything goes well with your work carry out；Pump seat oil inlet is used for from oil drum interior suction Grease, pump seat oil outlet is connected to busway and grease is sent into flowline, and then is sent grease to needs by grease gun At the equipment for filling grease.

Oil addition machine described in the utility model uses following technical scheme:

The oil addition machine includes driving motor and dispenser pump, and dispenser pump includes pump seat and multiple pumps being arranged on pump seat Core, pump core include reciprocating plunger, and for each pump core along the circumferentially-spaced arrangement of pump seat, pump seat includes being equipped with pump core installation cavity Pedestal, pump core are arranged in pump core installation cavity, and the circumferential surface of pedestal is equipped with the pump core installing port being connected to pump core installation cavity, pedestal Periphery is arranged with the annular big envelope for blocking pump core installing port, and annular big envelope and pedestal sealing cooperate, and annular big envelope and seat The busway being connected to the pump core oil outlet of each pump core is surrounded by between body.

The beneficial effect of oil addition machine described in the utility model is: the dispenser pump in the oil addition machine passes through present Annular big envelope is arranged to block pump core installing port in external week, compared to pump core installing port is blocked by covering, does not need to be present Internal screw thread is opened up in the pump core installation cavity of body, and then the volume of pedestal can be made to be reduced, and the volume reduction of pedestal can subtract The overall weight and volume of small dispenser pump and oil addition machine, to give the equipment for needing to fill grease using oil addition machine It fills more convenient when grease.

Further, busway can be formed in the following way: pedestal is equipped with annular groove, annular big envelope inside The part for surrounding the busway on face with annular groove is cylindrical face.Collected by the way that annular groove is arranged on pedestal each Grease in a pump core installation cavity is connected to each pump core installation cavity, without special oil pipe is arranged again so as to keep away Exempt from bring trouble due to oil pipe installs inconvenience.

Further, pump core can be using such as flowering structure: pump core includes plunger bushing, and plunger is arranged in plunger bushing, plunger The check valve of the control unidirectional pump oil of pump core is additionally provided in set, check valve includes nonreturn valve core, and plunger bushing is close to pump core installing port One end is installed with the stop part that plunger bushing is left for limiting nonreturn valve core.It is limited by the way that stop part is arranged in pump core installation cavity Nonreturn valve core processed leaves plunger bushing, check valve can be packed into plunger bushing before entire plunger bushing installs pedestal, in this way It is more convenient that check valve is installed.

Further, annular big envelope can be installed in the following way: annular big envelope is sleeved on pedestal along the vertical direction Periphery.It is combined to form compared to annular big envelope by more than two fissions and adds sealing structure in the apposition position of adjacent fission, Annular big envelope is sleeved on the periphery of pedestal along the vertical direction, and annular big envelope does not need fission then, and also there is no need to add sealing knot Structure, so that the lower production costs of the dispenser pump.

Further, the structure of control piston reciprocation movement can be in the following way: pump seat is equipped with for controlling column The eccentric shaft moved back and forth is filled in, eccentric shaft is equipped with axle sleeve and snap ring, and the outer lateral edge eccentric shaft of the snap ring axially turns down and axis Set surrounds the card slot for driving piston reciprocation movement.Card slot drives piston reciprocation movement, because plunger is always without departing from card slot, then partially Mandrel is not in end and eccentric shaft or the axis being set on eccentric shaft of plunger during realizing piston reciprocation movement Set is there is a situation where hitting, so as to avoid the damage of plunger and eccentric shaft or the axle sleeve being set on eccentric shaft.

Further, oil addition machine can also use following form: oil addition machine includes for being fixed on oil drum Installation lid, driving motor and installation cover circumferential rotation stop and can axially opposing movement, pump seat is equipped with for close with oil drum side wall The lip ring of cooperation, the pump seat oil outlet of the pedestal of pump seat equipped with pump seat oil inlet directed downwardly and upward are sealed, pump seat goes out Hydraulic fluid port is connected to busway and is connected with vertically extending flowline.Pump seat is equipped with for sealing cooperation with oil drum side wall Lip ring can guarantee the air-tightness in bucket so that the pump oil of dispenser pump everything goes well with your work carry out；The setting of lid is installed It can guarantee that driving motor will not rotate relative to oil drum, avoiding the occurrence of leads to lip ring because of driving motor rotation The poorly sealed situation with oil drum side wall；Pump seat oil inlet is used for the fat absorption out of oil drum, and pump seat oil outlet is connected to busway And grease is sent into flowline, and then sent grease to the equipment for needing to fill grease by grease gun.

Further, installation lid is as follows with the specific fit system of cylinder: installation lid has the extended segment upwardly extended, peace Circumferential rotation stop is slided up and down in capping and is equipped with sleeve, and driving motor is mounted on the lower end of sleeve, and the upper end of sleeve, which is stretched out, to be extended The upper end of section simultaneously cooperates with block above and below extended segment.The upper end of sleeve stretch out the upper end of installation lid extended segment and on extended segment Lower block cooperation can prevent sleeve and installation lid to be detached from.

Further, oil addition machine can also use following form: oil addition machine includes for being fixed on oil drum Installation lid, driving motor and installation cover circumferential rotation stop and can axially opposing movement, pump seat is equipped with for close with oil drum side wall Seal the lip ring of cooperation, the pump seat oil outlet of the pedestal of pump seat equipped with pump seat oil inlet directed downwardly and upward, pedestal bottom Portion is equipped with when dispenser pump drops down onto barrel bottom by the microswitch of the dynamic triggering of bucket base pressure, the motor control of microswitch and driving motor Device control connection is stopped with controlling motor after microswitch is triggered.Oil addition machine can be automatically controlled by microswitch Stopping.

Further, oil addition machine can also use following form: oil addition machine includes and electric machine controller signal The remote control switch of connection, remote control switch signal are connected with the remote controler for controlling motor start and stop.Remote control switch and remote control are set Device can be convenient the start and stop of control oil addition machine.

Further, oil addition machine can also use following form: oil addition machine further includes type portable packaging box, portable Packing case includes the case lid on the cabinet and setting cabinet for accommodate dispenser pump and motor.Type portable packaging box is set, convenient for grease plus The carrying of note machine.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the embodiment 1 of oil addition machine described in the utility model；

Fig. 2 is the part-structure sectional view of the embodiment 1 of oil addition machine described in the utility model；

Fig. 3 is the structural schematic diagram of the pedestal of the embodiment 1 of oil addition machine described in the utility model；

Fig. 4 is the structural schematic diagram of the pump core of the embodiment 1 of oil addition machine described in the utility model；

Fig. 5 is the structural schematic diagram of the eccentric axle assembly of the embodiment 1 of oil addition machine described in the utility model；

Fig. 6 is the pedestal of the embodiment 1 of oil addition machine described in the utility model and the part-structure that is connected with pedestal Perspective view；

Fig. 7 is the arrangement schematic diagram of the pump core of the embodiment 1 of oil addition machine described in the utility model；

Fig. 8 is the cross-sectional view of the embodiment 1 of oil addition machine described in the utility model；

Fig. 9 is the structural schematic diagram of the dispenser pump of the embodiment 2 of oil addition machine described in the utility model；

Figure 10 is the partial structure diagram of the embodiment 2 of oil addition machine described in the utility model；

Figure 11 is charging machine circuit major loop figure in the embodiment 2 of the oil addition machine of the utility model；

Figure 12 is relay circuit figure in the embodiment 2 of the oil addition machine of the utility model；

Figure 13 is decelerating motor loop diagram in the embodiment 2 of the oil addition machine of the utility model；

Figure 14 is the structural schematic diagram of the type portable packaging box of the embodiment 3 of oil addition machine described in the utility model；

Figure 15 is the structural schematic diagram of the embodiment 4 of oil addition machine described in the utility model.

In attached drawing: 1- decelerating motor, 2- dispenser pump, 3- bung, 4- sleeve, 5- flowline, 6- exhaust pipe, 7- remote control are opened It closes, 8- microswitch, 9- grease bullet, 10- seal closure, 11- cabinet, 12- case lid, 13- handle, 14- rectifier, 21- pump seat, 22- pump core, 23- eccentric shaft, 24- axle sleeve, 25- snap ring, 26- annular seal plate, 27- support base, 28- scraper plate, 29- limiting card Spring, 30- washer, 111- accommodating chamber, 211- pedestal, 212- annular big envelope, 213- sealing strip, 214- block bolt, 221- plunger Set, 222- plunger, 223- valve ball, 224- volute spring, 225- circlip, 251- turn edge, 252- card slot, 261- supporter, 262- Seal, 2111- pump core installation cavity, 2112- annular groove, 2113- supporting leg, 2114- annular gear edge, 2115- block jack, 2211- pump core oil inlet, 2212- pump core oil outlet, 2213- oil suction chamber, 2214- oil outlet chamber, 2221- stopper head, 2222- path Section, 2223- major diameter section.

Specific embodiment

Specific embodiment of the present utility model is described further with reference to the accompanying drawing.

The embodiment 1 of oil addition machine provided by the utility model:

Oil addition machine described in the present embodiment 1 is a kind of portable oil addition machine, for extracting profit out of oil drum Lubricating oil rouge, and fill in needing the equipment using lubricant grease.

As shown in fig. 1, fig. 2 and fig. 8, which includes decelerating motor 1, dispenser pump 2, bung 3 and sleeve 4, is subtracted Speed motor 1 constitutes driving motor, and the model of decelerating motor can choose 100ZYTJ02, and bung 3 constitutes installation lid, decelerating motor 1 For driving dispenser pump 2 to work, decelerating motor 1 is mounted on the lower end of sleeve 4；Sleeve 4 be it is columnar structured, in the outer of sleeve 4 Four guide posts axially extending along sleeve 4 are convexly equipped on circumferential surface, four guide posts are uniformly distributed along the circumferencial direction of sleeve 4, bung 3 With the extended segment upwardly extended, open up that there are four be adapted to the guide post on sleeve 4 on the inner wall of 3 extended segment of bung Guide groove, sleeve 4 can be relative to 3 guiding movements of bung, because decelerating motor 1 and sleeve 4 are fixed, decelerating motor 1 can Relative to 3 guiding movement of bung；The upper end of bung 3 is stretched out in the upper end of sleeve 4, and in the upper end of sleeve 4 and bung 3 Upper end be equipped with Stop structure so that sleeve 4 and bung 3 being capable of upper and lower blocks.

As shown in Fig. 2, Fig. 3, Fig. 6 and Fig. 7, dispenser pump 2 includes pump seat 21, and pump seat 21 includes pedestal 211, and pedestal 211 is whole Body is cylindrical, assembly foundation of the pedestal 211 as entire dispenser pump 2；Pump core is installed there are six setting on the outer peripheral surface of pedestal 211 Mouthful, six pump core installing ports are uniformly distributed along 211 circumferencial direction of pedestal, it is also set up in pedestal 211 there are six pump core installation cavity 2111, Pump core installation cavity 2111 is radially extended along pedestal 211, and six pump core installation cavitys 2111 respectively correspond six pump core installing ports and divide It is not connected to.

Such as Fig. 2, Fig. 3, Fig. 7 and Fig. 8, pump core 22 enters in pump core installation cavity 2111 from pump core installing port, in pedestal 211 An annular big envelope 212 is further sleeved on outer peripheral surface, annular big envelope 212 is a cylindrical shroud barrel structure, and annular big envelope 212 exists Pump core 22 is sleeved on pedestal 211 from bottom to top after being packed into pump core installation cavity 2111, and annular big envelope 212 is for stopping pump core 22 It is detached from from inside to outside from pump core installation cavity 2111；The top of pedestal 211 is radially outward convexly equipped with ring shape gear along 2114, and annular is kept off Cooperate along 2114 with the upper surface block of annular big envelope 212 to be used to prevent annular big envelope 212 from deviating from above pedestal 211, There are four block jacks 2115, four block jacks 2115 to be evenly arranged on for circumferentially spaced setting on the lower, outer perimeter face of pedestal 211 On the outer peripheral surface of pedestal 211, block jack 2115 is corresponded on annular big envelope 212 and offers mating jack, to 212 sets of annular big envelope After on pedestal 211, mating jack is corresponding with block jack 2115 firmly, and block pin, block pin are then inserted into two holes It is moved down after can preventing annular big envelope 212 from installing.

Such as Fig. 2, Fig. 3 and Fig. 8, two ring shape deep gouges are offered on the outer peripheral surface of pedestal 211, annular deep gouge is along pedestal 211 axially spaced-aparts arrangement, and two annular deep gouges are located at the upper and lower of pump core installing port, pacify in two annular deep gouges Equipped with a circle sealing strip 213, inner wall of the sealing strip 213 after annular big envelope 212 is sleeved on pedestal 211 with annular big envelope 212 Face fits closely, to realize the sealing to pump core installation cavity 2111.

The pump seat oil inlet of the grease out of oil drum is additionally provided on pedestal 211, pump seat oil inlet mouth down is arranged, just Enter in dispenser pump 2 in the grease in oil drum；It is additionally provided on pedestal 211 and goes out for the pump seat of the grease discharge in dispenser pump 2 Hydraulic fluid port, pump seat oil outlet are arranged upward；As shown in figure 8, pump seat oil outlet is connected with vertically extending flowline 5, flowline 5 is used It is connect in grease gun, in order to send grease into each equipment for needing to lubricate.

As shown in Figure 2 and Figure 4, pump core 22 includes plunger bushing 221, offers variable diameter along its length inside plunger bushing 221 Through-hole, the hole close to annular big envelope 212 form oil outlet chamber 2214, and the hole far from annular big envelope 212 forms oil suction chamber 2213, fuel-displaced The diameter of chamber 2214 is greater than the diameter of oil suction chamber 2213；It offers on the corresponding plunger bushing 221 of oil suction chamber 2213 for aspirating The pump core oil inlet 2211 of grease, pump core oil inlet 2211 are connected to pump seat oil inlet, in the corresponding plunger bushing of oil outlet chamber 2214 The pump core oil outlet 2212 for discharging grease is offered on 221, is opened up on each plunger bushing 221 there are two pump core oil outlet 2212, two pump core oil outlets 2212 are oppositely arranged and the line extending direction of two pump core oil outlets 2212 and pedestal 211 are round Circumferential direction is identical, and pump core oil outlet 2212 is connected to pump seat oil outlet.

As shown in Figure 2 and Figure 4, valve ball 223, volute spring 224 and circlip 225, circlip 225 are equipped in oil outlet chamber 2214 Oil outlet chamber 2214 is installed in close to the end of annular big envelope 212, oil outlet chamber 2214 is arranged in close to oil suction chamber 2213 in valve ball 223 End, volute spring 224 are arranged between circlip 225 and valve ball 223；Volute spring 224 is in always in oil outlet chamber 2214 Compressive state, the volute spring 224 under compressive state, which is acted on, towards the active force of oil suction chamber 2213 and makes valve ball to valve ball 223 223 are bonded with the port of oil suction chamber 2213, to realize the effect for blocking oil suction chamber 2213；Circlip 225 is for preventing Conical Projectile Spring 224 and valve ball 223 are detached from out of plunger bushing 221, while valve ball 223 being cooperated to make volute spring 224 always in compression shape State；Valve ball 223 and volute spring 224 constitute nonreturn valve core, and valve ball 223, volute spring 224 and plunger bushing 221 belong to list To the structure of valve, circlip 225 constitutes stop part.

As shown in Figure 2 and Figure 4, a plunger 222 is fitted in oil suction chamber 2213, plunger 222 includes diameter and oil inlet The major diameter section 2223 that 2213 internal diameter of chamber is adapted to and stopper head 2221 and connection stopper head 2221 and major diameter section in round pie 2223 path section 2222；Plunger 222 can move in oil suction chamber 2213, plunger 222 in the process of moving, major diameter section 2223 can open and close pump core oil inlet 2211 repeatedly, so that the grease in oil drum is able to enter in plunger bushing 221.

As shown in Figure 2 and Figure 5, an eccentric shaft 23, the drive of eccentric shaft 23 and decelerating motor 1 are installed in pedestal 211 Moving axis connection and being rotated by decelerating motor 1, are set with an axle sleeve 24, in the lower section of axle sleeve 24 on eccentric shaft 23 A snap ring 25 is set with next to the lower end surface of axle sleeve 24, and the outer edge of snap ring 25, which flips up to be formed, turns edge 251, turns edge 251 surround an annular card slot 252 with the outer peripheral surface of axle sleeve 24, are respectively equipped in the lower section of snap ring 25 and the top of axle sleeve 24 Circlip 29 is limited, the upper surface of underlying limit circlip 29 is bonded with the lower surface of snap ring 25, the limiting card being located above A washer 30 is additionally provided between spring 29 and axle sleeve 24, washer 30 is used to prevent axle sleeve 24 and limit 29 excessive wear of circlip, Limit circlip 29 and washer 30, washer 30 and axle sleeve 24 are adjacent to installation, and limit circlip 29 is used for fixed hub 24 and snap ring 25.

The structure that definition eccentric shaft 23, axle sleeve 24 and snap ring 25 are installed together is eccentric axle assembly, as shown in Fig. 2, pump After core 22 and eccentric axle assembly are installed, the stopper head 2221 of the plunger 222 in pump core 22 is mounted in card slot 252, card slot 252 shape and the shape adaptation of stopper head 2221.

Eccentric axle assembly will drive the plunger 222 in each pump core 22 in oil suction chamber when decelerating motor 1 is rotated by It moves back and forth in 2213, plunger 222 can open and close pump core oil inlet 2211 during moving back and forth repeatedly, in plunger 222 to seat When moving in body 211, plunger 222 opens pump core oil inlet 2211, and grease enters in oil suction chamber 2213, in plunger 222 to pedestal During 211 outsides are mobile, plunger 222 gradually blocks pump core oil inlet 2211, and pushes and come into oil suction chamber 2213 Interior grease is mobile to oil outlet chamber 2214, and valve ball 223 is moved outward by the thrust of grease, so that 2213 He of oil suction chamber Oil outlet chamber 2214 is connected to, and grease enters in oil outlet chamber 2214, when plunger 222 again to when moving inside pedestal 211, valve ball 223 The port of oil suction chamber 2213 is again towards under the action of volute spring 224.

As shown in Fig. 2, Fig. 3, Fig. 6 and Fig. 8, a ring annular groove 2112 is offered on the outer peripheral surface of pedestal 211, annular Groove 2112 is by the pump core oil outlet 2212 on all plunger bushings 221, in order to collect the grease in all pump cores 22；To After annular big envelope 212 is sleeved on pedestal 211, the notch of annular groove 2112 is lived in the medial surface block of annular big envelope 212, annular The medial surface and annular groove 2112 of big envelope 212 surround busway, and annular big envelope 212 is interior for block annular groove 2112 Side is cylindrical face, in order to by the tighter of 2112 block of annular groove.

As shown in Fig. 2, Fig. 3 and Fig. 6, in the lower part of pedestal 211, there are four supporting leg 2113, four supporting legs 2113 for installation Uniformly at intervals along 211 circumferencial direction of pedestal, supporting leg 2113 is arranged on the lower end surface of pedestal 211, and supporting leg 2113 is arc Plate structure, the upper surface of supporting leg 2113 and the lower end surface of pedestal 211 are fixed, the outside circumference and pedestal of supporting leg 2113 211 outer peripheral surface is coplanar, and supporting leg 2113 is used to support oil addition machine；Screw thread is also provided in the lower part of supporting leg 2113 Hole is bolted with a block bolt 214 in threaded hole.

As shown in Fig. 2, Fig. 6 and Fig. 8, in order to guarantee the sealing between dispenser pump 2 and oil drum, also it is arranged on pedestal 211 One annular seal plate 26, the outer peripheral surface of annular seal plate 26 are sealed with the inner wall of oil drum always；Annular seal plate 26 includes leaning on Interior supporter 261 and outer seal 262, supporter 261 and seal 262 are ring structure and radially extend one Measured length, seal 262 are cast in the periphery of supporter 261；Annular seal plate 26 is flexibly connected with pedestal 211, close in annular After sealing plate 26 is installed in place, the upper surface of annular seal plate 26 is bonded and seals, ring packing with the lower end surface of annular big envelope 212 The inner surface of plate 26 is bonded with the outside circumference of supporting leg 2113, the outside of annular seal plate 26 and the inner wall sealing paste of oil drum It closes；The size of annular seal plate 26 can be set according to actual needs, and the outer diameter of annular seal plate 26 is needed to add slightly larger than grease The maximum inner diameter for the oil drum that note machine uses, in order to which annular seal plate 26 and the cooperation of oil drum inner wall guarantee below charging machine in oil drum Portion has the space of a sealing；Annular seal plate 26 constitutes lip ring.

As shown in Figure 2 and Figure 6, a support base 27, support base are fixed with by two bolts in the bottom of eccentric shaft 23 27 are used for Auxiliary support oil addition machine；Also be clamped with a scraper plate 28 between support base 27 and eccentric shaft 23, scraper plate 28 with Eccentric shaft 23 rotates, to make grease flow to pump seat oil inlet, and then enter in dispenser pump 2 for scraping grease.

As shown in figure 8, be additionally provided with an exhaust pipe 6 on oil addition machine, exhaust pipe 6 and it is arranged in dispenser pump 2 Gas vent connection can be easily by oil addition machine by the exhaust of exhaust pipe 6 when needing makes oil addition machine be detached from oil drum It is proposed out of oil drum.

The oil addition machine in use, oil addition machine and oil drum are transported at the equipment for needing to fill grease first, Then the bung 3 for opening stand-by oil drum, oil addition machine is placed in bucket on grease, and bung 3 is fixed with oil drum, annular at this time The outer rim of seal 262 and the inner wall of oil drum of sealing plate 26 fit closely, to realize the sealing in space in bucket；Then start Decelerating motor 1, decelerating motor 1 drive eccentric axle assembly to rotate, and eccentric axle assembly drives each plunger 222 in column while rotation Movement in plug sleeve 221, to realize pump oil operation；It is logical that the grease sucked in dispenser pump 2 in pump oil operation finally collects in confluence In road, and then the grease gun by being mounted on oil addition machine is sent to each equipment for needing to fill grease；Work to be filled After the completion of work, oil addition machine is above mentioned, because annular seal plate 26 is flexibly connected with pedestal 211,26 He of annular seal plate Pedestal 211 can separate, it is upper mention oil addition machine during, annular seal plate 26 is separated with pedestal 211, thus further Realize that the exhaust work of the sealing space between oil addition machine and oil drum above mentions oil addition machine more after the completion of being vented Easily, annular seal plate 26 is eventually installed in 214 block of block bolt on supporting leg 2113, thus with oil addition machine It is suggested oil drum together.

In above-described embodiment, pump core installation cavity is arranged six altogether, and six pump core installation cavitys are circumferentially uniformly distributed along pedestal.At it In his embodiment, the quantity of pump core installation cavity can increase and decrease according to actual needs, such as setting four, five；It is multiple being arranged When pump core installation cavity, each pump core installation cavity can not also be distributed on pedestal.

In above-described embodiment, annular big envelope is sleeved on pedestal from bottom to top.In other embodiments, annular big envelope can also To be sleeved on pedestal from top to bottom, certainly, the corresponding Stop structure for stopping annular big envelope mobile relative to pedestal, which need to be done, to be changed It is dynamic, it such as can be and be radially convexly equipped with annular gear edge in pedestal lower part, on pedestal top setting block jack, annular big envelope Mating jack is equally corresponding with block jack, and block jack and mating jack cooperation block pin use；Annular big envelope can be with Be arranged to several fissions to be combined to form, when installation it is several it is seperated installed around pedestal outer peripheral surface pairing, certainly, the pairing of each fission Face need to do encapsulation process, such as installation sealing strip.

In above-described embodiment, nonreturn valve core is made of valve ball and volute spring.In other embodiments, nonreturn valve core may be used also To be other structures, the disk and volute spring for having guide rod such as can be, disk diameter is greater than oil suction chamber internal diameter, and Less than oil outlet chamber internal diameter, guide rod is inserted into volute spring, and volute spring is in compressive state and disk is pressed to oil suction chamber Port, when the grease in oil suction chamber is acted on disk, disk is displaced outwardly, so that oil suction chamber be made to be connected to oil outlet chamber；Cone Shape spring can also identical spring replaces always with diameter.

In above-described embodiment, decelerating motor is assembled by sleeve and bung guiding, and sleeve is one columnar structured.At it In his embodiment, sleeve can also be a retracting cylinder, that is, has multiple cylinders being set in together, such as can be background technique Described in Authorization Notice No. be guide sleeve described in the Chinese utility model patent of CN203189998U, which is exactly One retracting cylinder.

In above-described embodiment, nonreturn valve core is mounted in plunger bushing.In other embodiments, nonreturn valve core can also be uneasy In plunger bushing, if plunger bushing only has oil suction chamber, after plunger bushing is inserted into pump core installation cavity, pump core installation cavity inner prop Plug sleeve is close to the outside of annular big envelope also there are certain space, which constitutes oil outlet chamber, install Conical Projectile in the oil outlet chamber Pump oil function equally may be implemented in spring and valve ball.

In above-described embodiment, volute spring and valve ball is prevented to be detached from plunger bushing, card by circlip fixed in oil outlet chamber Spring is as stop part.In other embodiments, stop part can also be other structures form, such as can be a sealing plate, sealing plate Plunger bushing is installed on to be close in the end of annular big envelope；It can also be not provided with stop part, by the medial surface block of annular big envelope Volute spring and valve ball.

In above-described embodiment, a ring annular groove, the medial surface and ring of annular big envelope are offered on the outer peripheral surface of pedestal Connected in star surrounds busway, and the medial surface of annular big envelope is cylindrical face.In other embodiments, busway is also possible to it His structure type, the medial surface that such as can be in annular big envelope offer a ring annular groove, and the outer peripheral surface of pedestal is cylindrical face, Annular groove on the outer peripheral surface of pedestal and annular big envelope surrounds busway；Or on the medial surface of annular big envelope and pedestal Outer peripheral surface on offer a ring annular groove, surround busway jointly after two annular groove pairings.

In above-described embodiment, oil addition machine is a kind of portable charging machine.In other instances, the oil addition machine It can also be installed in the equipment for needing to fill grease, when use only needs to change oil drum.Dispenser pump in above-described embodiment It can be used for such as can be used for Authorization Notice No. described in background technology on other kinds of charging machine in the prior art In grease adding machine containing interior oil-collecting channel disclosed in Chinese utility model patent for CN205101831U, dispenser pump at this time On be installed with an opening up oil storage barrel, grease adds grease into oil storage barrel after being finished.

In above-described embodiment, axle sleeve and snap ring are set on eccentric shaft, the outer edge of snap ring is flipped up to be formed and be turned edge, It turns edge and surrounds an annular slot with the outer peripheral surface of axle sleeve, card slot is used to install the stopper head of plunger, to drive piston reciprocation Movement.In other embodiments, axle sleeve and snap ring can not also be installed, eccentric shaft in the course of rotation directly with the column of plunger Chock plug contacts and piston reciprocation is pushed to move.

In above-described embodiment, snap ring is mounted in the lower section of axle sleeve, flips up on the outside of snap ring and surrounds card slot with axle sleeve.At it In his embodiment, snap ring can also be mounted in the top of axle sleeve, be turned over downwards on the outside of snap ring and surround card slot with axle sleeve.

In above-described embodiment, it is fitted with backing pin in the block jack on pedestal and in the mating jack of annular big envelope, to prevent Only annular big envelope is moved down relative to pedestal.In other embodiments, it can also be opened up in mating jack or block jack Internal screw thread, correspondence opens up external screw thread on backing pin, the fix stopper by way of being spirally connected, and the installation that backing pin can be improved is stablized Property.

In above-described embodiment, annular big envelope is realized relatively fixed with pedestal by annular gear edge and backing pin.In other realities It applies in example, annular big envelope can also be relatively fixed with pedestal by way of the installation that is spirally connected, the upper inside wall such as in annular big envelope Internal screw thread is set, external screw thread is set in the corresponding position of pedestal, the two is screwed, certainly, if annular big envelope is from top to bottom Installation, then can be arranged internal screw thread in the lower inner wall of annular big envelope, and external screw thread, the two screw thread is arranged in the corresponding position of pedestal It is fixed.

The specific embodiment 2 of Portable grease charging machine of the invention, as shown in figure 9, the area of the present embodiment and embodiment 1 The bottom of supporting leg 2113 in this present embodiment microswitch 8 is not provided with, microswitch 8 passes through route and oil addition machine Circuit board be connected, in low liquid level, the contact bucket bottom of microswitch 8 is closed, and feedback dispenser pump 2 has arrived at barrel bottom Then information automatically controls and closes decelerating motor 1.The model SS-5GL13 of the microswitch used in the present embodiment.

As shown in Figure 10, the back side of bung 3 is provided with remote control switch 7 in the present embodiment, which is that single channel is distant Control switch, model AU-RK01S-220DGL, or AU-RK01S-220ML can be used, the circuit board and oil of remote control switch 7 The circuit board of rouge charging machine integrates, and the route of the receiving end of remote control switch 7 is directly connected on circuit board after the integration. Remote control switch 7 can receive the signal of matched remote controler, enable staff's wireless remote control oil addition machine It opens and closes.

As shown in Figure 11, Figure 12 and Figure 13, SJ is relay in figure, and XK is travel switch.Decelerating motor 1 in the present embodiment For direct current generator, 220V alternating current is converted into 250V direct current by setting rectifier 14 in 1 circuit of decelerating motor.Travel switch quilt It after triggering, is closed with the concatenated 24VDC Switching Power Supply of travel switch, time-delay relay power loss, normally-closed contact disconnects, and causes to subtract 1 major loop of speed motor disconnects, and can not start, and dispenser pump 2 stops filling；Switching Power Supply model can use RS-15-24, relay Type number can use HHS1(JS14S).

In above-described embodiment 2, microswitch and remote control switch is arranged simultaneously in oil addition machine.In other embodiments, grease Charging machine can also be separately provided microswitch or remote control switch is separately provided.

The embodiment 3 of oil addition machine provided by the utility model, the difference from embodiment 1 is that: as shown in figure 14, Oil addition machine further includes a type portable packaging box, which includes cabinet 11 and case lid 12, is arranged in cabinet 11 There is an accommodating chamber 111, which can be packed into for other structures of the grease charging machine in addition to type portable packaging box, A handle 13 is also equipped on case lid 12, handle 13 lifts type portable packaging box convenient for user.

The embodiment 4 of oil addition machine provided by the utility model, the difference from embodiment 1 is that: as shown in figure 15, One seal closure 10 is installed on the pedestal 211 of dispenser pump 2, seal closure 10 is fixed by bolt and pedestal 211, in seal closure Sealing ring is also clamped between 10 and pedestal 211 with the leakproofness for improving seal closure 10, in seal closure 10 far from pedestal 211 One end offer a socket, which is loaded with grease in grease bullet 9 for inserting grease bullet 9.It is set in the present embodiment 5 It sets seal closure 10 and grease bullet 9 is installed, the grease bullet 9 that can more renew easily after the grease in grease bullet 9 is used up, simple side Just, for and compared to barreled grease, it is specifically existing with grease bullet oil addition machine that grease bullet 9, which carries more convenient, There is technology, and will not be described here in detail for specific structure.

The utility model also provides a kind of dispenser pump, the structure phase of the dispenser pump and the dispenser pump in above-mentioned oil addition machine Together, details are not described herein again.

Claims (12)

1. dispenser pump, including pump seat and multiple pump cores being arranged on pump seat, pump core includes reciprocating plunger, each pump core Along the circumferentially-spaced arrangement of pump seat, the pump seat includes the pedestal equipped with pump core installation cavity, and pump core is arranged in pump core installation cavity, seat The circumferential surface of body is equipped with the pump core installing port being connected to pump core installation cavity, it is characterised in that: pedestal periphery is arranged with for blocking The annular big envelope of pump core installing port, annular big envelope and pedestal sealing cooperate, and annular big envelope is equipped with at least one in pedestal Annular groove is so as to surround therebetween the busway being connected to the pump core oil outlet of each pump core.

2. dispenser pump according to claim 1, it is characterised in that: the pedestal is equipped with the annular groove, annular envelope The part for surrounding the busway on set medial surface with annular groove is cylindrical face.

3. dispenser pump according to claim 1 or 2, it is characterised in that: the pump core includes plunger bushing, and plunger is arranged in column In plug sleeve, the check valve of the control unidirectional pump oil of pump core is additionally provided in the plunger bushing, check valve includes nonreturn valve core, and plunger bushing leans on One end of nearly pump core installing port is installed with the stop part that plunger bushing is left for limiting nonreturn valve core.

4. dispenser pump according to claim 1 or 2, it is characterised in that: the annular big envelope is set with present along the vertical direction The periphery of body.

5. dispenser pump according to claim 1 or 2, it is characterised in that: the pump seat is equipped with for controlling piston reciprocation The eccentric shaft of movement, the eccentric shaft are equipped with axle sleeve and snap ring, and the outer lateral edge eccentric shaft of the snap ring axially turns down and axle sleeve Surround the card slot for driving piston reciprocation movement.

6. dispenser pump according to claim 1 or 2, it is characterised in that: the pump seat is equipped with for close with oil drum side wall Seal the lip ring of cooperation, the pump seat oil outlet of the pedestal of the pump seat equipped with pump seat oil inlet directed downwardly and upward, institute Pump seat oil outlet is stated to be connected to busway and be connected with vertically extending flowline.

7. oil addition machine, including driving motor and dispenser pump, it is characterised in that: the dispenser pump is that claim 1-5 is any Dispenser pump described in one.

8. oil addition machine according to claim 7, it is characterised in that: oil addition machine includes for being fixed on oil drum Installation lid, the driving motor and the installation cover circumferential rotation stop and can axially opposing movement, the pump seat is equipped with being used for With the lip ring of oil drum side wall sealing cooperation, the pump of the pedestal of the pump seat equipped with pump seat oil inlet directed downwardly and upward Seat oil outlet, the pump seat oil outlet are connected to busway and are connected with vertically extending flowline.

9. oil addition machine according to claim 8, it is characterised in that: installation lid has the extended segment upwardly extended, peace Circumferential rotation stop is slided up and down in capping and is equipped with sleeve, and the driving motor is mounted on the lower end of sleeve, and the upper end of sleeve is stretched out The upper end of extended segment simultaneously cooperates with block above and below extended segment.

10. oil addition machine according to claim 7, it is characterised in that: oil addition machine includes for being fixed on oil drum On installation lid, the driving motor and the installation cover circumferential rotation stop and can axially opposing movement, the pump seat is equipped with use In the lip ring with the sealing cooperation of oil drum side wall, the pedestal of the pump seat is equipped with pump seat oil inlet directed downwardly and upward Pump seat oil outlet, the pedestal bottom is equipped with when dispenser pump drops down onto barrel bottom by the microswitch of the dynamic triggering of bucket base pressure, described micro- The electric machine controller control of dynamic switch and driving motor is connected to control motor after microswitch is triggered and stop.

11. oil addition machine according to claim 7, it is characterised in that: the oil addition machine includes and motor control The remote control switch of device signal connection, remote control switch signal are connected with the remote controler for controlling motor start and stop.

12. oil addition machine according to claim 7, it is characterised in that: the oil addition machine further includes portable packaging Case, type portable packaging box include the case lid for accommodating the cabinet of dispenser pump and motor and being arranged on cabinet.