CN215521250U

CN215521250U - Adjustable gear pump

Info

Publication number: CN215521250U
Application number: CN202023331782.7U
Authority: CN
Inventors: 周江明
Original assignee: Shanghai Juliyuan Fluid Technology Co ltd
Current assignee: Shanghai Juliyuan Fluid Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2022-01-14
Anticipated expiration: 2030-12-30

Abstract

The utility model provides an adjustable gear pump, which belongs to the technical field of gear pump equipment. The adjusting component comprises a box body, a baffle, a speed reducing motor, a transmission gear, a first gear, a second gear, a threaded rod and a third gear. The two transmission gears are arranged, whether one transmission gear works or two transmission gears work can be determined according to the required flow, a first gear and a second gear are respectively arranged on one side of each of the two transmission gears, one transmission gear works or two transmission gears work is realized through the matching of the first gear, the second gear and a third gear, one end of the third gear is provided with a threaded rod, and the engagement and the separation of the third gear and the first gear and the second gear can be realized through the arrangement of the threaded rod, so that the working number of the transmission gears is adjusted, and the adjustment of the flow of the gear pump is realized.

Description

Adjustable gear pump

Technical Field

The utility model relates to the technical field of gear pump equipment, in particular to an adjustable gear pump.

Background

The gear pump is a rotary pump which can transfer liquid or pressurize it by means of the change and movement of working volume formed between pump cylinder and meshed gear, and is formed from two gears, pump body and front and rear covers, when the gear is rotated, the volume of space of gear disengagement side is changed from small to large, and formed into vacuum to suck liquid, and the volume of space of gear meshing side is changed from large to small to squeeze liquid into pipeline, and the suction cavity and discharge cavity are separated by means of meshing line of two gears.

At present, the flow of the gear pump is fixed, and the flow can not be adjusted according to production requirements.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects, the utility model provides an adjustable gear pump, aiming at solving the problem that the flow cannot be adjusted.

The utility model is realized by the following steps:

the utility model provides an adjustable gear pump which comprises an adjusting assembly and an adjusting pipeline.

The adjusting component comprises a box body, two baffles, two speed reducing motors, a transmission gear, a first gear, a second gear, a threaded rod and a third gear, the number of the baffles is two, the two baffles are arranged in the box body, the speed reducing motors are fixedly connected to one side of the box body, the number of the transmission gear is two, the transmission gear comprises a driving gear and a driven gear, the driving gear is fixedly connected to the output end of the speed reducing motors, the driven gear is rotatably connected to one side of the box body, the driving gear is in meshing transmission with the driven gear, one of the transmission gears is fixedly connected to the output end of the speed reducing motors, the transmission gear is arranged in the box body, the other transmission gear is symmetrically arranged at one end of the box body, the first gear is fixedly connected to one side of the transmission gear, the first gear is arranged between the two baffles, the second gear is fixedly connected to one side of the other transmission gear, the second gear is arranged between the two baffles, the threaded rod is in threaded connection with one side of the box body, the third gear is in rotary connection with one end of the threaded rod, the first gear and the second gear are in meshing transmission through the third gear, the number of the adjusting pipelines is two, and the two adjusting pipelines are respectively communicated with one side of the box body.

In an embodiment of the utility model, the box body is provided with two feeding pipes and two discharging pipes, the two feeding pipes are arranged on the same side of the box body, and the two discharging pipes are arranged on the other side of the box body.

In an embodiment of the present invention, the adjusting pipeline includes two first pipelines, two three-way valves, a second pipeline and a third pipeline, the two first pipelines are respectively and fixedly connected to the feeding pipe, the two first pipelines are communicated with the second pipeline through the three-way valves, the third pipeline is fixedly connected to the second pipeline, and the second pipeline is communicated with the third pipeline.

In an embodiment of the present invention, the third pipeline includes a first pipeline, a fixing seat, a second pipeline and an elastic member, the first pipeline is rotatably connected to the fixing seat, the second pipeline is slidably inserted into one end of the first pipeline, and the first pipeline and the second pipeline are fixed by the elastic member.

In an embodiment of the present invention, the fixing base is provided with a first through hole, and the fixing base is fixedly connected to the second pipeline through the first through hole.

In an embodiment of the present invention, the first pipeline is provided with a plurality of groups of second through holes, and the second through holes are disposed at one end of the first pipeline.

In an embodiment of the present invention, the second pipeline is provided with a limiting block, the limiting block is fixedly connected to one end of the second pipeline, and the limiting block is slidably connected to the first pipeline.

In an embodiment of the present invention, the elastic element includes a spring and a supporting rod, the spring is fixedly connected to one end of the second pipeline, the supporting rod is fixedly connected to one end of the spring, and the supporting rod is inserted into the second through hole.

In one embodiment of the utility model, the threaded rod is provided with a handle fixedly connected to one end of the threaded rod.

In one embodiment of the utility model, the box body is provided with a sealing ring, and the sealing ring is arranged at one end of the box body.

The utility model has the beneficial effects that: the adjustable gear pump obtained through the design is provided with the two transmission gears, whether one transmission gear works or the two transmission gears work can be determined according to the required flow, the first gear and the second gear are respectively arranged on one sides of the two transmission gears, one transmission gear works or the two transmission gears work is realized through the matching of the first gear, the second gear and the third gear, one end of the third gear is provided with a threaded rod, and the engagement and the separation of the third gear and the first gear and the second gear can be realized through the arrangement of the threaded rod, so that the working number of the transmission gears is adjusted, and the adjustment of the flow of the gear pump is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a first perspective structural schematic diagram of an adjustable gear pump according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a transmission gear portion provided in an embodiment of the present invention;

FIG. 3 is a schematic diagram of a regulating circuit according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a third pipeline provided in the embodiment of the present invention;

FIG. 5 is a schematic diagram of a portion of the enlarged structure at A in FIG. 4 according to an embodiment of the present invention;

fig. 6 is a schematic view of a threaded rod structure provided by an embodiment of the present invention.

In the figure: 100-an adjustment assembly; 110-a box body; 111-feed pipe; 112-a discharge pipe; 113-sealing ring; 120-a baffle plate; 130-a reduction motor; 140-a drive gear; 141-a drive gear; 142-a driven gear; 150-a first gear; 160-a second gear; 170-threaded rod; 171-a handle; 180-a third gear; 200-regulating the pipeline; 210-a first conduit; 220-three-way valve; 230-a second conduit; 240-a third conduit; 241-a first pipeline; 2411-a second through hole; 242-a fixed seat; 2421 — a first via; 243-a second pipeline; 2431-a stopper; 244-an elastic member; 2441-a spring; 2442-prop rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the present invention provides a technical solution: an adjustable gear pump includes an adjustment assembly 100 and an adjustment circuit 200.

Wherein, the adjusting assembly 100 plays a role in adjusting the flow rate of the gear pump, and the adjusting pipeline 200 can adjust the installation direction of the pipeline.

Referring to fig. 1, 2 and 6, the adjusting assembly 100 includes a box 110, a baffle 120, a decelerating motor 130, a transmission gear 140, a first gear 150, a second gear 160, a threaded rod 170 and a third gear 180, the box 110 is provided with a feeding pipe 111 and a discharging pipe 112, the feeding pipe 111 and the discharging pipe 112 are provided with two, it should be noted that the feeding pipe 111 and the discharging pipe 112 are provided with two, which facilitate independent control of feeding and discharging, the two feeding pipes 111 are provided at the same side of the box 110, the two discharging pipes 112 are provided at the other side of the box 110, the box 110 is provided with a sealing ring 113, when specifically provided, the sealing ring 113 plays a role of sealing and leakage prevention, the sealing ring 113 is provided at one end of the box 110, the two baffles 120 are provided inside the box 110, the decelerating motor 130 is fixedly connected to one side of the box 110, in this document, the decelerating motor 130 is fixed by bolts, convenient dismantlement, drive gear 140 is provided with two, and drive gear 140 includes driving gear 141 and driven gear 142, and driving gear 141 fixed connection is in gear motor 130 output, and it should be said that driving gear 141 adopts the key-type connection, and driven gear 142 rotates and connects in box 110 one side, and driving gear 141 and driven gear 142 mesh transmission.

In this embodiment, one of the transmission gears 140 is fixedly connected to the output end of the reduction motor 130, and the transmission gears 140 are disposed inside the case 110, another transmission gear 140 is symmetrically disposed at one end of the case 110, the first gear 150 is fixedly connected to one side of one of the transmission gears 140, and the first gear 150 is disposed between the two baffles 120, it should be noted that, the baffles 120 are provided with a sealing member, the second gear 160 is fixedly connected to one side of the other transmission gear 140, and the second gear 160 is disposed between the two blocking plates 120, the threaded rod 170 is threadedly coupled to one side of the case 110, the threaded rod 170 is provided with a handle 171, the handle 171 is fixedly coupled to one end of the threaded rod 170, in a specific arrangement, the handle 171 is fixed by a bolt, the handle 171 is arranged to facilitate the rotation of the threaded rod 170, the third gear 180 is rotatably connected to one end of the threaded rod 170, and the first gear 150 and the second gear 160 are in meshed transmission through the third gear 180.

Referring to fig. 1, 3, 4 and 5, two adjusting pipelines 200 are provided, the two adjusting pipelines 200 are respectively communicated with one side of the box 110, the adjusting pipeline 200 includes two first pipelines 210, a three-way valve 220, a second pipeline 230 and a third pipeline 240, the two first pipelines 210 are respectively and fixedly connected to the feeding pipe 111, it should be noted that the first pipelines 210 are fixed by bolts for convenient detachment, the two first pipelines 210 are communicated with the second pipeline 230 through the three-way valve 220, the third pipeline 240 is fixedly connected to the second pipeline 230, when specifically configured, the third pipeline 240 is fixed by bolts for convenient replacement, the second pipeline 230 is communicated with the third pipeline 240, the third pipeline 240 includes a first pipeline 241, a fixed seat 242, a second pipeline 243 and an elastic member 244, the fixed seat 242 is provided with a first through hole 2421, in this document, the first through hole 2421 is convenient for fixedly mounting the fixed seat 242, the fixing seat 242 is fixedly connected to the second pipe 230 through the first through hole 2421.

In this embodiment, the first pipeline 241 is rotatably connected to the fixing base 242, the first pipeline 241 is provided with a second through hole 2411, it should be noted that the second through hole 2411 facilitates fixing the second pipeline 243, the second through hole 2411 is provided with a plurality of groups, the second through hole 2411 is provided at one end of the first pipeline 241, the second pipeline 243 is slidably inserted into one end of the first pipeline 241, the second pipeline 243 is provided with a limiting block 2431, in this application, the limiting block 2431 prevents the second pipeline 243 from falling off, the limiting block 2431 is fixedly connected to one end of the second pipeline 243, and the limiting block 2431 is slidably connected to the first pipeline 241, it should be noted that, a sealing member is provided at one end where the first pipeline 241 is connected to the second pipeline 243, and the first pipeline 241 and the second pipeline 243 are fixed by an elastic member 244, the elastic member 244 includes a spring 2441 and a supporting rod 2442, the spring 2441 is fixedly connected to one end of the second pipeline 243, when specifically provided, the spring 2441 is fixed by bolts, the supporting rod 2442 is fixedly connected to one end of the spring 2441, and the supporting rod 2442 is inserted into the second through hole 2411.

Specifically, the working principle of the adjustable gear pump is as follows: when the liquid pumping device is used, whether one transmission gear 140 works or two transmission gears 140 work is determined according to the required flow, if only one transmission gear 140 works, the threaded rod 170 is rotated through the handle 171, the threaded rod 170 is rotated to drive the third gear 180 to move, the third gear 180 is moved to one side of the box body 110, the speed reducing motor 130 is started, the driving gear 141 is driven to move through the speed reducing motor 130, the driving gear 141 is in meshing transmission with the driven gear 142, so that liquid pumping is realized, if two transmission gears 140 work simultaneously, the threaded rod 170 is rotated through the handle 171, the threaded rod 170 is rotated through the threaded rod 170, the third gear 180 is driven to move, the third gear 180 is meshed with the first gear 150 and the second gear 160, the speed reducing motor 130 is started, the driving gear 141 is driven to move through the speed reducing motor 130, and the driving gear 141 is driven by the driving gear 141 to move, the first gear 150, the second gear 160 and the third gear 180 are in meshed transmission, the second gear 160 drives the other transmission gear 140 to move, so that large-flow liquid pumping is realized, and through the operation, the flow regulation of the gear pump is realized.

It should be noted that the specific model specification of the reduction motor 130 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the reduction motor 130 and its principle will be clear to those skilled in the art and will not be described in detail here.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable gear pump is characterized by comprising

The adjusting assembly (100) comprises a box body (110), two baffles (150), two speed reducing motors (130), two transmission gears (140), two first gears (150), two second gears (160), two threaded rods (170) and two third gears (180), wherein the two baffles (120) are arranged inside the box body (110), the speed reducing motors (130) are fixedly connected to one side of the box body (110), the two transmission gears (140) are arranged, the transmission gears (140) comprise driving gears (141) and driven gears (142), the driving gears (141) are fixedly connected to the output end of the speed reducing motors (130), the driven gears (142) are rotatably connected to one side of the box body (110), the driving gears (141) are in meshing transmission with the driven gears (142), one of the transmission gears (140) is fixedly connected to the output end of the speed reducing motors (130), the transmission gears (140) are arranged in the box body (110), the other transmission gear (140) is symmetrically arranged at one end of the box body (110), the first gear (150) is fixedly connected to one side of one of the transmission gears (140), the first gear (150) is arranged between the two baffles (120), the second gear (160) is fixedly connected to one side of the other transmission gear (140), the second gear (160) is arranged between the two baffles (120), the threaded rod (170) is in threaded connection with one side of the box body (110), the third gear (180) is in rotating connection with one end of the threaded rod (170), and the first gear (150) and the second gear (160) are in meshing transmission through the third gear (180);

the adjusting device comprises adjusting pipelines (200), wherein two adjusting pipelines (200) are arranged, and the two adjusting pipelines (200) are respectively communicated with one side of the box body (110).

2. Adjustable gear pump according to claim 1, characterized in that the tank (110) is provided with a feed pipe (111) and a discharge pipe (112), the feed pipe (111) and the discharge pipe (112) being provided in two, and the two feed pipes (111) being provided on the same side of the tank (110) and the two discharge pipes (112) being provided on the other side of the tank (110).

3. The adjustable gear pump according to claim 2, wherein the adjusting line (200) comprises a first pipe (210), a three-way valve (220), a second pipe (230) and a third pipe (240), wherein the first pipe (210) is provided with two, the two first pipes (210) are respectively fixedly connected to the feeding pipe (111), the two first pipes (210) are communicated with the second pipe (230) through the three-way valve (220), the third pipe (240) is fixedly connected to the second pipe (230), and the second pipe (230) is communicated with the third pipe (240).

4. The adjustable gear pump according to claim 3, wherein the third pipe (240) comprises a first pipe (241), a fixing seat (242), a second pipe (243) and an elastic member (244), the first pipe (241) is rotatably connected to the fixing seat (242), the second pipe (243) is slidably inserted into one end of the first pipe (241), and the first pipe (241) and the second pipe (243) are fixed by the elastic member (244).

5. The adjustable gear pump according to claim 4, wherein the fixing base (242) is provided with a first through hole (2421), and the fixing base (242) is fixedly connected to the second pipe (230) through the first through hole (2421).

6. The adjustable gear pump according to claim 4, wherein the first pipeline (241) is opened with second through holes (2411), the second through holes (2411) are provided with a plurality of groups, and the second through holes (2411) are provided at one end of the first pipeline (241).

7. The adjustable gear pump according to claim 4, characterized in that the second pipeline (243) is provided with a limit block (2431), the limit block (2431) is fixedly connected to one end of the second pipeline (243), and the limit block (2431) is slidably connected to the first pipeline (241).

8. The adjustable gear pump according to claim 6, wherein the elastic member (244) comprises a spring (2441) and a strut (2442), the spring (2441) is fixedly connected to one end of the second pipe (243), the strut (2442) is fixedly connected to one end of the spring (2441), and the strut (2442) is inserted into the second through hole (2411).

9. Adjustable gear pump according to claim 1, characterized in that the threaded rod (170) is provided with a handle (171), the handle (171) being fixedly connected to one end of the threaded rod (170).

10. Adjustable gear pump according to claim 1, characterized in that the tank (110) is provided with a sealing ring (113), the sealing ring (113) being provided at one end of the tank (110).