CN208348000U - A kind of New Type of Metering Pump - Google Patents

Abstract

The utility model relates to measure pump technical field, in particular a kind of New Type of Metering Pump, including measuring pump case, the driving motor being arranged on metering pump case one side and the regulating device being arranged on metering pump case another side, the inside of the metering pump case is equipped with cavity, vacuum pressure device is equipped in the cavity, the vacuum pressure device includes the soft sealing film closely bonded in cavity cavity wall, power device is equipped in the cavity, upper and lower two groups of liquid in-out apparatus are equipped between the soft sealing film and the side cavity wall of cavity, the utility model structure is simple, it is easy to use, by the way that regulating device is arranged, realize the control of fluid flow, solve the problems, such as that conventional metering pump cannot fine fluid flow, liquid is conveyed by the liquid in-out apparatus and vacuum pressure device of setting, additionally by the dynamic of setting Efficient work may be implemented in power device, solves general metering pump and is all made of gear intermeshing work, the too low problem of efficiency.

Description

A kind of New Type of Metering Pump

Technical field

The utility model relates to measure pump technical field, specially a kind of New Type of Metering Pump.

Background technique

Metering pump be it is a kind of can satisfy various stringent process flow needs, flow is adjustable, for conveying liquid A kind of special positive displacement pump, but existing many metering pumps are to be intermeshed work using a pair of of gear, efficiency is too low, in addition Many metering pumps cannot control fluid flow well, in consideration of it, it is proposed that a kind of New Type of Metering Pump.

Utility model content

The purpose of this utility model is to provide a kind of New Type of Metering Pump, mentioned above in the background art general to solve Metering pump working efficiency is too low, and cannot control fluid flow problem well.

To achieve the above object, the utility model provides the following technical solutions:

A kind of New Type of Metering Pump, including metering pump case, be arranged in metering pump case one side on driving motor and Regulating device on metering pump case another side is set, and the inside of the metering pump case is equipped with cavity, the cavity Top cavity wall is equipped with liquid outlet, and the lower section cavity wall of the cavity is equipped with inlet；

The regulating device includes the screw rod connecting with metering pump outer casing screw, and the screw rod is extend out to outside metering pump case One end body of rod on be closely welded with rotational handle, the screw rod is closely welded with convex block, and institute far from one end of rotational handle State the inside that convex block is located at cavity；

Vacuum pressure device is equipped in the cavity, the vacuum pressure device includes closely bonding in cavity cavity wall Soft sealing film, the side of the separate convex block of the soft sealing film are equipped with detent bar, offer stomata on the detent bar, institute The side for stating detent bar is equipped with sleeve, and the inside of the sleeve is equipped with moving lever, and the moving lever runs through stomata, the moving lever Body of rod end between soft sealing film and detent bar is closely welded with sucker, and the moving lever is located at the bar of sleeve inner Cylindricality block is arranged on body, the side of the sleeve is equipped with gag lever post, offers receiving hole, and the receiving on the gag lever post Gag lever post is run through in hole；

Power device is equipped in the cavity, the power device includes push rod and is mounted between the cavity wall of cavity two sides Connecting shaft, and one end of the connecting shaft and the output shaft of the driving motor closely weld, one end connection of the push rod There is pull rod, the other end of the pull rod is equipped with the second swing rod, and the other end of second swing rod is equipped with the first swing rod, described The other end of first swing rod is equipped with excessive bar；

Upper and lower two groups of liquid in-out apparatus, liquid described in every group are equipped between the soft sealing film and the side cavity wall of cavity Body in-out apparatus includes two V shaped slabs being distributed up and down, and the center of each V shaped slab opens up limited fluid apertures, and two It is equipped with steel ball above a V shaped slab, the top for the V shaped slab being located above is equipped with limit plate, the limit plate Center is equipped with limit hole.

Preferably, plane where the regulating device is mutually perpendicular to plane where the driving motor.

Preferably, the aperture of the stomata is greater than the diameter of the moving lever, and the aperture of the stomata is less than the sucker Diameter.

Preferably, the length of the cylindricality block is less than the length of the sleeve, and the cylindricality block and the sleeve is interior Wall contact.

Preferably, the aperture of the receiving hole is equal with the diameter of the sleeve, and the gag lever post and the sleeve Side contact.

Preferably, one end of the push rod is hinged by hinge and the cylindricality block.

Preferably, the other end of the push rod is connected with the pull rod by shaft, and the shaft and the connecting shaft The other end closely weld.

Preferably, first swing rod is rotatablely connected by shaft and second swing rod, and first swing rod is by turning Axis and the excessive bar are rotatablely connected, and the excessive bar is rotatablely connected by shaft and the moving lever, and second swing rod is logical It crosses shaft and the pull rod is rotatablely connected.

Preferably, one end of the V shaped slab and the limit plate closely bonds in the cavity wall of the cavity, the other end It closely bonds in the soft sealing film.

Preferably, the aperture of the limit fluid apertures is less than the diameter of the steel ball.

Compared with prior art, the utility model has the beneficial effects that

1, the utility model structure is simple, easy to use, by the regulating device of setting, is unsatisfactory for requiring in fluid flow When, adjustable rotational handle is adjusted, and realizes that fluid flow is well controlled, solving conventional metering pump cannot be very The problem of good fluid flow.

2, the utility model structure is simple, easy to use, by the liquid in-out apparatus and vacuum pressure device of setting come It realizes and utilizes vacuum environment, convey liquid, efficient work may be implemented additionally by the power device of setting, and avoid The problem of vacuum pressure is insufficient, can not convey liquid in time solves general metering pump and is all made of gear intermeshing work, The too low problem of efficiency.

Detailed description of the invention

Fig. 1 is the perspective view of the utility model；

Fig. 2 is the sectional view of the utility model；

Fig. 3 is enlarged drawing at A in the utility model Fig. 2.

In figure: 1, measuring pump case；2, regulating device；21, screw rod；22, rotational handle；23, convex block；3, driving motor； 4, cavity；41, liquid outlet；42, inlet；43, liquid in-out apparatus；431, V shaped slab；432, fluid apertures is limited；433, steel ball；434, Limit plate；435, limit hole；5, vacuum pressure device；51, soft sealing film；52, sucker；53, detent bar；531, stomata； 532, sleeve；54, moving lever；55, cylindricality block；56, gag lever post；561, receiving hole；6, power device；61, connecting shaft；62, it pushes away Bar；63, hinge；64, excessive bar；65, pull rod；66, the first swing rod；67, the second swing rod.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relatively important Property or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Person implicitly includes one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than a, unless otherwise specifically defined.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution:

A kind of New Type of Metering Pump, as shown in Figure 1, Figure 2 and Figure 3, including metering pump case 1, setting are in metering pump case 1 one Driving motor 3 on side and the regulating device 2 being arranged on metering 1 another side of pump case, measure the inside of pump case 1 Equipped with cavity 4, the top cavity wall of cavity 4 is equipped with liquid outlet 41, and the lower section cavity wall of cavity 4 is equipped with inlet 42.

In the present embodiment, driving motor 3 is tightly fixed on metering pump case 1 by bolt, increases the secured of its structure Property.

In the present embodiment, driving motor 3 uses JS series three-phase asynchronous motor.

In the present embodiment, 2 place plane of regulating device is mutually perpendicular to 3 place plane of driving motor.

In the present embodiment, the position of inlet 42 and liquid outlet 41 is corresponding, guarantees that liquid smooth can flow out.

As depicted in figs. 1 and 2, regulating device 2 includes the screw rod 21 being threadedly coupled with metering pump case 1, and screw rod 21 stretches out It is closely welded with rotational handle 22 on one end body of rod outside to metering pump case 1, the one end of screw rod 21 far from rotational handle 22 is tight It is close to be welded with convex block 23, and convex block 23 is located at the inside of cavity 4.

In the present embodiment, the spherical arc of one side of the convex block 23 far from handle 22 guarantees to accommodate more liquid.

As shown in Fig. 2, being equipped with vacuum pressure device 5 in cavity 4, vacuum pressure device 5 includes closely bonding in 4 chamber of cavity Soft sealing film 51 on wall, the side of the separate convex block 23 of soft sealing film 51 are equipped with detent bar 53, open up on detent bar 53 There is stomata 531, the side of detent bar 53 is equipped with sleeve 532, and the inside of sleeve 532 is equipped with moving lever 54, and moving lever 54 runs through gas Hole 531, body of rod end of the moving lever 54 between soft sealing film 51 and detent bar 53 are closely welded with sucker 52, moving lever 54 are located on the body of rod inside sleeve 532 and are arranged with cylindricality block 55, and the side of sleeve 532 is equipped with gag lever post 56, on gag lever post 56 Receiving hole 561 is offered, and receiving hole 561 runs through gag lever post 56.

It is worth noting that the aperture of stomata 531 is greater than the diameter of moving lever 54, the aperture of stomata 531 is less than sucker 52 Diameter, it is therefore an objective to guarantee moving lever 54 move while allow sucker 52 to block stomata 531.

Specifically, the length of cylindricality block 55 is less than the length of sleeve 532, and cylindricality block 55 is contacted with the inner wall of sleeve 532, Purpose is to allow cylindricality block 55 to move in sleeve 532, and guarantee that gas will not overflow between cylindricality block 55 and sleeve 532.

In the present embodiment, the aperture of receiving hole 561 is equal with the diameter of sleeve 532, and the side of gag lever post 56 and sleeve 532 Face contact, in order to guarantee the movement for not influencing other components.

In the present embodiment, sucker 52 is funnel-shaped, in order to preferably block stomata 531 completely.

It is worth noting that stomata 531 has certain gradient, and sucker 52 close to the side aperture of soft sealing film 51 Moving at stomata 531 can block completely stomata 531.

As shown in Fig. 2, being equipped with power device 6 in cavity 4, power device 6 is including push rod 62 and is mounted on 4 two sides of cavity Connecting shaft 61 between cavity wall, and one end of connecting shaft 61 and the output shaft of driving motor 3 closely weld, one end of push rod 62 connects It is connected to pull rod 65, the other end of pull rod 65 is equipped with the second swing rod 67, and the other end of the second swing rod 67 is equipped with the first swing rod 66, The other end of first swing rod 66 is equipped with excessive bar 64.

Further, one end of push rod 62 is hinged by hinge 63 and cylindricality block 55.

Further, the other end of push rod 62 is connected with pull rod 65 by shaft, and the shaft and connecting shaft 61 is another It closely welds one end.

In the present embodiment, the first swing rod 66 is rotatablely connected by shaft and the second swing rod 67, and the first swing rod 66 passes through shaft It is rotatablely connected with excessive bar 64, excessive bar 64 is rotatablely connected by shaft and moving lever 54, and the second swing rod 67 is by shaft and draws Bar 65 is rotatablely connected.

As shown in Figures 2 and 3, upper and lower two groups of liquid is equipped between soft sealing film 51 and the side cavity wall of cavity 4 to pass in and out Device 43, every group of liquid in-out apparatus 43 include two V shaped slabs 431 being distributed up and down, the center of each V shaped slab 431 Limited fluid apertures 432 is opened up, the top of two V shaped slabs 431 is equipped with steel ball 433, and the top for the V shaped slab 431 being located above is set There is limit plate 434, the center of limit plate 434 is equipped with limit hole 435.

In the present embodiment, the liquid in-out apparatus 43 being located above is close to liquid outlet 41, underlying liquid disengaging dress 43 are set close to inlet 42.

In the present embodiment, two V shaped slabs 431 and the distance between V shaped slab 431 and limit plate 434 are all larger than steel ball 433 Diameter, guarantee steel ball 433 being capable of free movement.

In the present embodiment, one end of V shaped slab 431 and limit plate 434 is closely bonded in the cavity wall of cavity 4, the other end It closely bonds in soft sealing film 51.

In the present embodiment, the aperture of limit fluid apertures 432 and limit hole 435 is respectively less than the diameter of steel ball 433.

The New Type of Metering Pump of the present embodiment connects extraneous power supply when in use, by driving motor 3, and driving motor 3 rotates band Dynamic connecting shaft 61 rotates, and the rotation of connecting shaft 61 drives shaft 611 thereon to rotate, and the rotation of shaft 611 drives pull rod 65, pull rod 65 The second swing rod 67 is driven, the second swing rod 67 drives the first swing rod 66, and the first swing rod 66 drives excessive bar 64, and excessive bar 64 drives fortune Lever 54 moves forward and backward, and moving lever 54, which moves forward and backward, can be such that sucker 52 moves forward and backward, while the rotation of shaft 611 drives push rod 62 to transport Dynamic, the movement of push rod 62 drives cylindricality block 55 to move forward and backward, and when moving lever 54 travels forward, i.e., sucker 52 travels forward, cylindricality Block 55 can and then travel forward, and cylindricality block 55 can squeeze the air between soft sealing film 51 and cylindricality block 55, so that pressure Increase, and then keep soft sealing film 51 prominent to the direction of convex block 23, so that between soft sealing film 51 and the cavity wall of cavity 4 Pressure increase, due to gravity, steel ball 433 can will limit fluid apertures 432 block, but pressure increase after, underlying two A steel ball 433 continues to block two limit fluid apertures 432, and two be located above steel ball 433 cannot be by two due to pressure increase A limit fluid apertures 432 blocks, and then realizes the liquid of 4 cavity wall time of soft sealing film 51 and cavity sending out liquid outlet 41, this is One process, when moving lever 54 moves backward, i.e., sucker 52 moves backward, and cylindricality block 55 can be moved and then backward, and cylindricality Block 55 can discharge the air in the cavity between soft sealing film 51 and cylindricality block 55, so that pressure reduces, and then make flexible close Sealer 51 can be prominent to the separate direction of convex block 23, so that the pressure between soft sealing film 51 and the cavity wall of cavity 4 reduces, by In gravity, steel ball 433 can block limit fluid apertures 432, but pressure reduce after after, two steel balls 433 being located above after It is continuous to block two limit fluid apertures 432, and underlying two steel balls 433 cannot be by two limit fluid apertures 432 due to pressure reduction It blocking, and then realizes and extract liquid from inlet 42 out, this is another process, preceding process is repeated again after the process, To realize efficient work, and the situation of vacuum pressure deficiency is avoided, solves general metering pump using a pair of of tooth Wheel intermeshing work, the too low problem of working efficiency；

In addition when thinking that liquid output is improper, rotational handle 22 can be rotated, the rotation of rotational handle 22 makes screw rod 21 Rotation, the rotation of screw rod 21 drive convex block 23 to move forward and backward, when convex block 23 travels forward, make the chamber of soft sealing film 51 and cavity 4 Volume-diminished between wall reduces liquid output to realize, when convex block 23 moves backward, makes soft sealing film 51 and cavity Volume between 4 cavity wall increases, and increases liquid output to realize, and due to being between screw rod 21 and metering pump case 1 It is threadedly coupled, increases its leakproofness, solve the problems, such as that many metering pumps cannot control liquid disengaging flow well.

Basic principles, main features, and advantages of the present invention has been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Be only the utility model preference, be not intended to limit the utility model, do not departing from the spirit and scope of the utility model Under the premise of, the utility model also has various changes and improvements, these changes and improvements both fall within claimed it is practical In novel range.The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. a kind of New Type of Metering Pump, the driving motor including metering pump case (1), setting on metering pump case (1) one side (3) and the regulating device (2) on pump case (1) another side is being measured in setting, it is characterised in that: the metering pump case (1) inside is equipped with cavity (4), and the top cavity wall of the cavity (4) is equipped with liquid outlet (41), the lower section of the cavity (4) Cavity wall is equipped with inlet (42)；

The regulating device (2) includes the screw rod (21) being threadedly coupled with metering pump case (1), and the screw rod (21) extend out to meter It is closely welded with rotational handle (22) on one end body of rod of amount pump case (1) outside, the screw rod (21) is far from rotational handle (22) One end be closely welded with convex block (23), and the convex block (23) is located at the inside of cavity (4)；

Vacuum pressure device (5) are equipped in the cavity (4), the vacuum pressure device (5) includes closely bonding in cavity (4) The side of soft sealing film (51) in cavity wall, the separate convex block (23) of the soft sealing film (51) is equipped with detent bar (53), It is offered stomata (531) on the detent bar (53), the side of the detent bar (53) is equipped with sleeve (532), the sleeve (532) inside is equipped with moving lever (54), and the moving lever (54) runs through stomata (531), and the moving lever (54) is located at flexibility Body of rod end between sealing film (51) and detent bar (53) is closely welded with sucker (52), and the moving lever (54) is located at sleeve (532) it is arranged with cylindricality block (55) on the internal body of rod, the side of the sleeve (532) is equipped with gag lever post (56), the limit It is offered on bar (56) receiving hole (561), and the receiving hole (561) runs through gag lever post (56)；

Power device (6) are equipped in the cavity (4), the power device (6) includes push rod (62) and is mounted on cavity (4) Connecting shaft (61) between the cavity wall of two sides, and one end of the connecting shaft (61) and the output shaft of the driving motor (3) are close Welding, one end of the push rod (62) are connected with pull rod (65), and the other end of the pull rod (65) is equipped with the second swing rod (67), The other end of second swing rod (67) is equipped with the first swing rod (66), and the other end of first swing rod (66) is equipped with excessively Bar (64)；

Upper and lower two groups of liquid in-out apparatus (43) are equipped between the soft sealing film (51) and the side cavity wall of cavity (4), often The group liquid in-out apparatus (43) includes two V shaped slabs (431) being distributed up and down, the center of each V shaped slab (431) Position opens up limited fluid apertures (432), is equipped with steel ball (433) above two V shaped slabs (431), the institute being located above The top for stating V shaped slab (431) is equipped with limit plate (434), and the center of the limit plate (434) is equipped with limit hole (435).

2. New Type of Metering Pump according to claim 1, it is characterised in that: plane where the regulating device (2) with it is described Plane where driving motor (3) is mutually perpendicular to.

3. New Type of Metering Pump according to claim 1, it is characterised in that: the aperture of the stomata (531) is greater than the fortune The diameter of lever (54), the aperture of the stomata (531) are less than the diameter of the sucker (52).

4. New Type of Metering Pump according to claim 1, it is characterised in that: the length of the cylindricality block (55) is less than the set The length of cylinder (532), and the cylindricality block (55) is contacted with the inner wall of the sleeve (532).

5. New Type of Metering Pump according to claim 1, it is characterised in that: the aperture of the receiving hole (561) and the set The diameter of cylinder (532) is equal, and the gag lever post (56) is contacted with the side of the sleeve (532).

6. New Type of Metering Pump according to claim 1, it is characterised in that: one end of the push rod (62) passes through hinge (63) It is hinged with the cylindricality block (55).

7. New Type of Metering Pump according to claim 6, it is characterised in that: the other end and the pull rod of the push rod (62) (65) it is connected by shaft, and the other end of the shaft and the connecting shaft (61) closely welds.

8. New Type of Metering Pump according to claim 1, it is characterised in that: first swing rod (66) by shaft with it is described Second swing rod (67) rotation connection, first swing rod (66) are rotatablely connected by shaft and the excessive bar (64), the mistake It spends bar (64) to be rotatablely connected by shaft and the moving lever (54), second swing rod (67) passes through shaft and the pull rod (65) it is rotatablely connected.

9. New Type of Metering Pump according to claim 1, it is characterised in that: the V shaped slab (431) and the limit plate (434) one end closely bonds in the cavity wall of the cavity (4), and the other end is closely bonded in the soft sealing film (51) on.

10. New Type of Metering Pump according to claim 1, it is characterised in that: the aperture of limit fluid apertures (432) is less than described The diameter of steel ball (433).