CN211370634U - Ceramic double-cylinder constant-flow metering pump - Google Patents
Ceramic double-cylinder constant-flow metering pump Download PDFInfo
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- CN211370634U CN211370634U CN201922168891.2U CN201922168891U CN211370634U CN 211370634 U CN211370634 U CN 211370634U CN 201922168891 U CN201922168891 U CN 201922168891U CN 211370634 U CN211370634 U CN 211370634U
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- lead screw
- measuring pump
- metering pump
- assembly
- motor
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Abstract
The utility model discloses a pottery double-cylinder constant current measuring pump, the measuring pump assembly of constituteing including two measuring pump monomers, the measuring pump monomer includes that motor, assembly jig, steel bushing, drive assembly and three-way valve constitute jointly, drive assembly includes that the transmission is connected at the epaxial shaft coupling of motor output, and the transmission is connected with the lead screw on the shaft coupling, the screw thread has cup jointed the lead screw cover on the outer wall of lead screw, the bearing has been cup jointed to the outside that the lead screw runs through the assembly jig part, lead screw cover fixedly connected with plunger is passed through to the outside of lead screw one end, and has rabbeted the guide rail connecting block in the clearance between plunger and the lead. The utility model discloses by the measuring pump assembly that two measuring pump monomers are constituteed, it can realize the free independent operation of measuring pump, also can let the measuring pump assembly that the measuring pump monomer is constituteed carry out the operation, satisfies the use under the different situation, has increased the flow of measuring pump, and pressure can guarantee at the within range of requirement, and its operating frequency is higher.
Description
Technical Field
The utility model relates to a measuring pump technical field especially relates to a pottery double-cylinder constant current measuring pump.
Background
The metering pump utilizes a motor to push a diaphragm to reciprocate in a pump head, so that the volume and the pressure of a cavity of the pump head are changed, and the change of the pressure causes the opening and the closing of an inlet check valve and an outlet check valve, thereby realizing the quantitative suction and the discharge of liquid. The metering pump is driven by the force generated by the motor, is designed for conveying small-flow low-pressure pipeline liquid, has the advantages of simple structure, low energy consumption, accurate metering, convenient adjustment and the like, and is widely applied to various departments such as petroleum, chemical industry, electric metallurgy, mines, shipbuilding, light industry, agriculture, civil use, national defense and the like.
However, the metering pump has the disadvantages of single structure, mostly single component working mode, small flow, small pressure and low working frequency, which also limits the application of the metering pump in industry from some aspects.
Therefore, it is necessary to design a ceramic double-cylinder constant-flow metering pump to solve the above problems.
Disclosure of Invention
The utility model aims at solving the defects existing in the prior art and providing a ceramic double-cylinder constant-current metering pump.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a ceramic double-cylinder constant-flow metering pump comprises a metering pump assembly consisting of two metering pump monomers, the metering pump monomer comprises a motor, an assembly frame, a steel sleeve, a transmission assembly and a three-way valve, the transmission assembly comprises a coupler which is in transmission connection with an output shaft of the motor, and the shaft coupling is in transmission connection with a lead screw, the outer wall of the lead screw is in threaded sleeve connection with a lead screw sleeve, the lead screw penetrates through the outer part of the assembly frame part and is in sleeve connection with a bearing, the outer part of one end of the lead screw is fixedly connected with a plunger through the lead screw sleeve, a guide rail connecting block is embedded in a gap between the plunger and the screw rod sleeve, a steel sleeve is sleeved outside one end of the plunger far away from the motor, and the plunger penetrates through the fixed cover in outside of assembly jig part and has been connect with the guide cylinder, the fixed back lid that is provided with on the outer wall of steel bushing one end, fixedly connected with three-way valve on the outer wall of back lid one side.
Furthermore, the assembly jig comprises a bottom plate, two risers and two curb plates jointly, and a bottom plate, two risers and two curb plates interconnect and constitute open-ended box structure in top.
Further, a motor connecting rod is fixed between the motor and the assembling frame in a threaded mode, a steel sleeve connecting rod is arranged outside the steel sleeve, one end of the steel sleeve connecting rod is connected to the assembling frame in a threaded mode, and the other end of the steel sleeve connecting rod is connected to the rear cover in a threaded mode.
Furthermore, the outer wall of one side of the guide rail connecting block is connected with a guide rail sliding block through a bolt, and a guide rail matched with the guide rail sliding block is welded on the assembling frame.
Furthermore, the three-way valve comprises a valve connecting pipe fixedly connected with the rear cover, a metal shell is welded on the outer wall of one end of the valve connecting pipe, a first threaded joint and a second threaded joint are respectively arranged on the outer walls of two sides of the metal shell, and a three-way ceramic shaft is inserted into the metal shell.
Further, the two metering pump single bodies are fixedly distributed in the assembly frame in parallel, and the two metering pump single bodies are symmetrically distributed around the center.
The utility model has the advantages that:
1. the metering pump assembly composed of two metering pump monomers can realize the independent operation of the metering pump monomers, and the metering pump assembly composed of the metering pump monomers can also be operated, so that the use under different conditions is met, the flow of the metering pump is increased, the pressure can be ensured in the required range, the working frequency is higher, and the desired effect of people is achieved.
2. Through the assembly jig who sets up, be convenient for people to the integration of mechanical parts above that, overall structure does not occupy great space, and is rational in infrastructure, and spatial layout is compact, and the transportation and the use of people to the measuring pump of being convenient for.
3. The motor that adopts drives the motion of transmission assembly to make the plunger at the inside circulation reciprocating motion of steel bushing, make the volume of cavity change, the motion of tee bend ceramic shaft on the cooperation three-way valve, thereby the drive liquid flows from the export, satisfies the demand of work.
Drawings
Fig. 1 is a schematic structural view of a metering pump assembly of the ceramic double-cylinder constant-current metering pump provided by the utility model;
fig. 2 is a schematic structural view of a metering pump monomer of the ceramic double-cylinder constant-current metering pump provided by the utility model;
fig. 3 is the utility model provides a three-way valve structure schematic diagram of pottery double-cylinder constant current measuring pump.
In the figure: the device comprises a motor 1, a motor connecting rod 2, a bottom plate 3, a side plate 4, a vertical plate 5, a steel sleeve connecting rod 6, a rear cover 7, a coupler 8, a lead screw 9, a guide rail slider 10, a guide rail 11, a bearing 12, a lead screw sleeve 13, a guide rail connecting block 14, a plunger 15, a guide cylinder 16, a steel sleeve 17, a three-way valve 18, a metal shell 19, a first threaded joint 20, a second threaded joint 21, a valve connecting pipe 22 and a three-way ceramic shaft 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, a ceramic double-cylinder constant-current metering pump comprises a metering pump assembly composed of two metering pump monomers, the metering pump assembly can be operated independently, the metering pump assembly composed jointly can be operated with higher performance, the metering pump monomers comprise a motor 1, an assembly jig, a steel bushing 17, a transmission assembly and a three-way valve 18, the transmission assembly comprises a coupler 8 in transmission connection with an output shaft of the motor 1, the motor 1 is of an MCY14-1B series, the coupler 8 is in transmission connection with a lead screw 9, a lead screw sleeve 13 is in threaded sleeve connection with the outer wall of the lead screw 9, the lead screw 8 drives the lead screw sleeve 13 to reciprocate, a bearing 12 is sleeved on the outside of the portion, where the lead screw 9 penetrates through the assembly jig, a plunger 15 is fixedly connected with the outside of one end of the lead screw 9 through the lead screw sleeve 13, and a guide rail connecting block 14 is embedded in a gap, the steel bushing 17 has been cup jointed to the one end outside that motor 1 was kept away from to plunger 15, and plunger 15 runs through the fixed cover in outside of assembly jig part and has connect guide cylinder 16, plays the purpose of fine direction, has guaranteed the stability of plunger 15 when steel bushing 17 internal motion, and fixed being provided with back lid 7 on the outer wall of steel bushing 17 one end, fixedly connected with three-way valve 18 on the outer wall of back lid 7 one side for the switching-over of business turn over liquid reaches the purpose of imbibition and play liquid.
Further, the assembly jig comprises a bottom plate 3, two risers 5 and two blocks of curb plates 4 jointly, and a bottom plate 3, two risers 5 and two blocks of curb plate 4 interconnect constitute top open-ended box structure, realize the better commentaries on classics of this measuring pump and join in marriage, do not occupy great space, rational in infrastructure, the working effect is good.
Further, a motor connecting rod 2 is fixed between the motor 1 and the assembly frame through threads, a steel sleeve connecting rod 6 is arranged outside the steel sleeve 17, one end of the steel sleeve connecting rod 6 is connected to the assembly frame through threads, the other end of the steel sleeve connecting rod 6 is connected to the rear cover 7 through threads, the steel sleeve connecting rod 6 is connected to the rear cover 7 and the assembly frame, and stability of the steel sleeve 17 is guaranteed.
Further, the outer wall of one side of the guide rail connecting block 14 is connected with a guide rail sliding block 10 through a bolt, and a guide rail 11 matched with the guide rail sliding block 10 is welded on the assembling frame.
Further, the three-way valve 18 includes the valve connecting pipe 22 with back lid 7 fixed connection, and the welding has metal casing 19 on the outer wall of valve connecting pipe 22 one end, the intensity of valve body has been improved, its inside pressure has been guaranteed, reach the effect that people used, be provided with first screwed joint 20 and second screwed joint 21 on the outer wall of metal casing 19 both sides respectively, as the feed liquor end with go out the liquid end, the inside grafting of metal casing 19 one side has tee bend ceramic shaft 23, fine switching-over purpose has been played.
Further, the two metering pump single bodies are fixedly distributed in the assembling frame in parallel, and the two metering pump single bodies are symmetrically distributed around the center.
The working principle is as follows: when the metering pump assembly or the metering pump monomer is used, an operator can use the metering pump assembly or the metering pump monomer to work independently, if the metering pump monomer is used for working, the operator connects the first threaded connector 20 and the second threaded connector 21 with the liquid inlet end and the liquid outlet end respectively, then the motor 1 is started, the motor 1 drives the vertical rod 9 to rotate through the coupler 8, the screw sleeve 13 in external threaded connection is driven to move linearly under the rotation of the screw 9, the screw sleeve 13 and the plunger 15 move synchronously because the screw sleeve 13 and the plunger 15 are in a fixed connection structure, at the moment, the plunger 15 moves in the steel sleeve 17, a sealed cavity is formed in the steel sleeve 17, negative pressure is formed, liquid at the liquid inlet end is sucked into the steel sleeve 17, then the operator uses the tee-joint ceramic shaft 23 to change direction, and the motor 1 rotates reversely, so that the liquid in the steel sleeve 17 is pressed out, and the liquid is discharged to the liquid outlet end, and the metering pump is controlled in such a way, so that the metering pump can realize continuous action, and meanwhile, an operator can use two metering pump monomers to form a metering pump assembly, thereby realizing synchronous work and achieving the expected purpose of people.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a pottery double-cylinder constant current measuring pump, includes the measuring pump assembly that two measuring pump monomers constitute, its characterized in that, the measuring pump monomer includes motor (1), assembly jig, steel bushing (17), drive assembly and three-way valve (18) constitute jointly, drive assembly includes transmission connection shaft coupling (8) on motor (1) output shaft, and transmission connection has lead screw (9) on shaft coupling (8), screw sleeve (13) has been cup jointed to the outer wall of lead screw (9) upper thread, lead screw (9) run through the outside of assembly jig part and have cup jointed bearing (12), the outside of lead screw (9) one end has plunger (15) through lead screw sleeve (13) fixedly connected with, and has scarf jointed guide rail connecting block (14) in the clearance between plunger (15) and lead screw sleeve (13), the steel bushing (17) has been cup jointed to the outside of the one end that motor (1) was kept away from to plunger (15), and the plunger (15) penetrates through the outer part of the assembly frame part and is fixedly sleeved with a guide cylinder (16), the outer wall of one end of the steel sleeve (17) is fixedly provided with a rear cover (7), and the outer wall of one side of the rear cover (7) is fixedly connected with a three-way valve (18).
2. The ceramic double-cylinder constant-flow metering pump according to claim 1, wherein the assembly frame is composed of a bottom plate (3), two vertical plates (5) and two side plates (4), and the bottom plate (3), the two vertical plates (5) and the two side plates (4) are connected with each other to form a box body structure with an open top end.
3. The ceramic double-cylinder constant-current metering pump according to claim 1, characterized in that a motor connecting rod (2) is fixed between the motor (1) and the assembly frame in a threaded manner, a steel bushing connecting rod (6) is arranged outside the steel bushing (17), one end of the steel bushing connecting rod (6) is connected to the assembly frame in a threaded manner, and the other end of the steel bushing connecting rod (6) is connected to the rear cover (7) in a threaded manner.
4. The ceramic double-cylinder constant-flow metering pump according to claim 1, characterized in that a guide rail sliding block (10) is connected to the outer wall of one side of the guide rail connecting block (14) through a bolt, and a guide rail (11) matched with the guide rail sliding block (10) is welded on the assembly frame.
5. The ceramic double-cylinder constant-flow metering pump as claimed in claim 1, wherein the three-way valve (18) comprises a valve connecting pipe (22) fixedly connected with the rear cover (7), a metal shell (19) is welded on the outer wall of one end of the valve connecting pipe (22), a first threaded joint (20) and a second threaded joint (21) are respectively arranged on the outer walls of two sides of the metal shell (19), and a three-way ceramic shaft (23) is inserted into one side of the metal shell (19).
6. The ceramic double-cylinder constant-flow metering pump according to claim 1, wherein the two metering pump single bodies are fixedly distributed in parallel inside the assembling frame, and the two metering pump single bodies are symmetrically distributed around the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922168891.2U CN211370634U (en) | 2019-12-06 | 2019-12-06 | Ceramic double-cylinder constant-flow metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922168891.2U CN211370634U (en) | 2019-12-06 | 2019-12-06 | Ceramic double-cylinder constant-flow metering pump |
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| CN211370634U true CN211370634U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922168891.2U Active CN211370634U (en) | 2019-12-06 | 2019-12-06 | Ceramic double-cylinder constant-flow metering pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810541A (en) * | 2022-04-18 | 2022-07-29 | 安徽拓盛生物科技有限公司 | Infusion pump |
-
2019
- 2019-12-06 CN CN201922168891.2U patent/CN211370634U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810541A (en) * | 2022-04-18 | 2022-07-29 | 安徽拓盛生物科技有限公司 | Infusion pump |
| CN114810541B (en) * | 2022-04-18 | 2023-11-24 | 安徽拓盛生物科技有限公司 | Infusion pump |
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