CN216198865U

CN216198865U - Briquetting subassembly, peristaltic pump head and plant protection unmanned aerial vehicle

Info

Publication number: CN216198865U
Application number: CN202122547478.4U
Authority: CN
Inventors: 张小伶; 聂会明; 王瑞鹏; 张彦峰; 郑龙
Original assignee: Baoding Lead Fluid Technology Co ltd
Current assignee: Baoding Lead Fluid Technology Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-05
Anticipated expiration: 2031-10-22

Abstract

The utility model discloses a pressing block assembly, a peristaltic pump head and a plant protection unmanned aerial vehicle. The pressing block assembly is applied to the pump head of the peristaltic pump, two pump pipes are fixed by the pressing block, double-pipeline material pumping can be achieved, the number of the pump heads is reduced, resources are saved, and the weight of the peristaltic pump is reduced.

Description

Briquetting subassembly, peristaltic pump head and plant protection unmanned aerial vehicle

Technical Field

The utility model relates to the technical field of peristaltic pumps, in particular to a briquetting assembly, a peristaltic pump head and a plant protection unmanned aerial vehicle.

Background

The peristaltic pump is widely applied in the fields of life science, bioscience, medicine and the like. A peristaltic pump is a special volumetric pump, mainly used for dispensing or conveying fluids. When the peristaltic pump head works, the roller rotates, a section of pump pipe between two rollers forms a pillow-shaped fluid, and the fluid is pumped by alternately extruding and releasing an elastic conveying hose of the pump; the volume of the pillow influences the flow; the rotation speed of the roller also affects the flow rate. The working characteristics are that the hose is extruded in the running process of the pump head, and the hose is pressed and released through the elasticity of the hose, so that the fluid is transmitted.

The existing peristaltic pump mostly adopts a single-pipeline single-pump head mode, but the single-pipeline peristaltic pump cannot meet the requirement for the quality of a pumped substance under certain conditions, so that a multi-pipeline peristaltic pump is needed to be improved to meet the requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a briquetting component, a peristaltic pump head and a plant protection unmanned aerial vehicle, so that one peristaltic pump can be provided with a plurality of pumping pipelines, and the quality of pumped materials is improved.

In order to achieve the above purpose, the utility model provides, on one hand, a pressing block assembly which comprises two pressing blocks arranged oppositely, wherein the two pressing blocks are respectively arranged on two sides of a roller core of a peristaltic pump, a pump pipe is accommodated between the two pressing blocks and the roller core, and one end of each pressing block is movably connected with a peristaltic pump body.

In one embodiment, one end of the pressing block is a movable end, and the other end of the pressing block is a fixed end, and the movable end can rotate around the fixed end.

In one embodiment, the fixed ends of the two pressing blocks are arranged in parallel.

In one embodiment, the movable ends of the two pressing blocks are connected through a connecting piece, wherein the connecting piece is fixedly connected with the peristaltic pump body.

In one embodiment, the fixed end of the pressing block is movably connected with a swing shaft, the movable end of the pressing block is provided with a clamping groove, and the clamping groove is used for accommodating another swing shaft of the pressing block.

In one embodiment, the fixed end of the pressing block is connected with the swing shaft through a connecting shaft, and the swing shaft can rotate along the connecting shaft.

In one embodiment, a clamping cap is arranged at the movable end of the pendulum shaft, a through hole matched with the pendulum shaft is formed in the clamping cap, and the pendulum shaft can rotate along the pendulum shaft.

In one embodiment, the aperture of the lower end of the through hole is matched with the outer diameter of the swing shaft, the aperture of the upper end of the through hole is larger than the outer diameter of the swing shaft, a spring is installed between the through hole and the swing shaft, the spring is fixed through a nut arranged at the top of the swing shaft, and the clamping cap can move along the swing shaft when the clamp is used.

The utility model provides a peristaltic pump head, which comprises a pump body, a roller core, an end cover and the pressing block assembly, wherein the roller core is arranged on the pump body;

the roller core is rotatably arranged between the pump body and the end cover, two pressing blocks of the pressing block assembly are respectively rotatably arranged on the end cover, and the pump pipe extends out of two ends of the pressing blocks.

In one embodiment, the pressing piece is fixedly connected to the end cover through a support shaft, and the pressing piece can rotate around the support shaft.

In one embodiment, a pendulum shaft is rotatably mounted on the support shaft, one end of the pendulum shaft rotates around the support shaft, and the other end of the pendulum shaft is clamped in a clamping groove formed in the pressing block.

In one embodiment, the surface of the pressing block, which is in contact with the pump pipe, is a circular arc surface.

In one embodiment, two of the compacts are of rotationally symmetric construction.

In one embodiment, the two ends of the pump pipe are respectively provided with a joint, the end cover and the pump body are provided with a notch matched with the shape and the size of the joint, and the joints are clamped at a bayonet formed by the end cover and the notch of the pump body.

In one embodiment, the end cap is removably coupled to the pump body.

The utility model provides a plant protection unmanned aerial vehicle, which comprises a flight platform, a navigation flight control and spraying mechanism, wherein the spraying mechanism comprises the peristaltic pump head.

According to the specific embodiment provided by the utility model, the utility model discloses the following technical effects:

1. the pressing block assembly provided by the utility model adopts two pressing blocks to fix two pump pipes, so that the double-pipeline material pumping is realized, the number of pump heads of the peristaltic pump is reduced, the resource is saved, and the weight of the peristaltic pump is reduced.

2. The end part of the swing shaft is provided with the spring structure, so that the pressure of the roller body on the pump pipe is reduced, the service life of the pump pipe is prolonged, the cost is effectively reduced, and the benefit is increased.

3. Pump line and end cover constitute assembly body structure, only need take off the end cover when changing the pump line, alright break away from the peristaltic pump, change the pump line and do not receive unmanned aerial vehicle space restriction, easy operation, it is convenient to change.

4. Peristaltic pump head adopts two pump line modes, and both ends are furnished with inlet and liquid outlet respectively, just accord with the design that plant protection unmanned aerial vehicle hangs wing both sides and spouts the medicine, and the pump line overall arrangement is reasonable more effective, has alleviateed unmanned aerial vehicle's weight, the effectual aerial dwell time that has increased unmanned aerial vehicle.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic perspective view of a briquetting assembly provided in an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a swing link mechanism provided in an embodiment of the present invention;

FIG. 3 is an exploded perspective view of a peristaltic pump according to an embodiment of the present invention;

FIG. 4 is a schematic view of an assembly structure of a pressure block assembly and an end cover according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of the opening of the briquetting assembly according to the embodiment of the utility model.

Description of reference numerals: 1. an end cap; 2. a roller core; 3. a pump tube; 4. briquetting; 5. a pump body; 6. a motor; 7. a swing rod mechanism; 8. a joint; 9. a clamping cap; 10. a nut; 11. a spring; 12. a pendulum shaft; 13. and supporting the shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Example 1

As shown in fig. 1-2, the pressing block assembly provided in this embodiment includes two pressing blocks 4 disposed oppositely, the two pressing blocks 4 are respectively disposed above and below the roller core 2 of the peristaltic pump, two pressing blocks 4 and the roller core 2 can be respectively used for fixing a pump tube, and each pump tube extends from two ends of the pressing block (as shown in fig. 4); one end of each pressing block 4 is movably connected with the peristaltic pump body (not shown in the figure), and two corresponding ends of the two pressing blocks 4 are movably connected.

During specific implementation, two corresponding ends of the two pressing blocks 4 are movably connected through a swing rod mechanism 7 respectively; the swing rod mechanism 7 comprises a swing shaft 12, one end of the swing shaft 12 is arranged on the pressing block 4 in a swinging mode, and the other end of the swing shaft 12 is clamped into a groove formed in the other pressing block 4. The swing structure design is more convenient for the replacement of the pump pipe 3, and the work efficiency is improved.

Furthermore, the other end of pendulum shaft 12 can also set up card cap 9, nut 10 and spring 11, be equipped with on the card cap 9 with pendulum shaft 12 complex through-hole, the aperture of through-hole lower extreme and the external diameter looks adaptation of pendulum shaft 12, the aperture of through-hole upper end is greater than the external diameter of pendulum shaft 12, installation spring 11 in the through-hole, and spring 11 overlaps on pendulum shaft 12, during the use, card cap 9 reciprocates along pendulum shaft 12 for the pump line 3 in cooperation different apertures accomplishes the pump line 3 in different apertures of self-adaptation promptly, reduces the wearing and tearing to pump line 3.

In addition, it should be noted that one pressing block may fix one pump tube or fix multiple parallel pump tubes, the pump tubes are arranged along the axial direction of the roller core, and the pressing block may increase the thickness to adapt to the situation.

Example 2

Different from the embodiment 1, the two pressing blocks are symmetrical along the axis, namely the fixed ends of the two pressing blocks are arranged at the same end, the movable ends are arranged at the same end, and the two movable ends are connected through a connecting piece, wherein the connecting piece is fixedly connected with the peristaltic pump body and used for fixing the position of the hose.

Example 3

As shown in fig. 3, the pump head of the peristaltic pump provided in this embodiment includes a pump body 5, a roller core 2, an end cover 1, two pump tubes 3, and the pressure block assembly described in embodiment 1.

The roller core 2 is rotatably arranged between the pump body 5 and the end cover 1; in specific implementation, a bearing is arranged at the center of the end cover 1, and the roller core 2 is arranged on the bearing and rotates around the bearing.

Two pump pipes 3 are arranged in the peristaltic pump head, the two pump pipes 3 are respectively arranged on the upper side and the lower side of the roller core 2, two pressing blocks 4 of the pressing block assembly are respectively rotatably arranged on the end cover 1 and pressed on the pump pipes 3, namely one pressing block 4 is pressed on the pump pipe 3 above, and the other pressing block 4 is pressed below the pump pipe 3 below, so that the phenomenon that the roller core 2 extrudes the two pump pipes 3 is realized, and the pumping capacity of substances is increased.

In specific implementation, the two pump pipes 3 can extend out from two corresponding ends of the two pressing blocks 4 and simultaneously extend out of two end faces of the pump body 5 connected with the end cover 1. In this embodiment, the two ends of the pump tube 3 are respectively provided with a joint 8, the end cover 1 and the pump body 5 are provided with a notch matched with the shape and size of the joint 8, and the joint 8 is clamped at a bayonet formed by the end cover 1 and the notch of the pump body 5. In order to facilitate the installation operation, the end cover 1 and the pump body 5 can be detachably connected, and the specific connection mode can be clamping connection of a buckle, screw connection and the like.

In order to reduce the size of the peristaltic pump head, a space for accommodating the pressing block assembly can be designed in the pump body 5. The size of the end cover 1 after being buckled with the pump body 5 is the size of the pump head, the size of the pressing block 4 cannot be increased in the axial direction of the roller core 2, only a small part of space is increased in the radial direction of the roller core 2, and the pressing block is still wrapped inside the end cover 1 and the pump body 5, so that the space is saved, and the weight of the pump head is further reduced.

For the installation mode of the pressing blocks 4 and the swing shaft 12, in the embodiment, the two pressing blocks 4 are respectively and fixedly connected to the end cover 1 through the supporting shaft 13, and the two ends of the two pressing blocks 4 fixedly connected to the end cover 1 are arranged oppositely; the pressing blocks 4 rotate around the supporting shaft 13 and are used for opening or pressing the two pressing blocks 4 so as to install the two pump pipes 3. A pendulum shaft 12 is rotatably arranged on the supporting shaft 13, one end of the pendulum shaft 12 rotates around the supporting shaft 13, and the other end of the pendulum shaft 12 is clamped in a clamping groove formed in the pressing block 4. Specifically, one end of the supporting shaft 13 is provided with threads and matched with the swing shaft 12, the pressing block 4 is sleeved on the supporting shaft 13 through a mounting hole in the pressing block, meanwhile, a mounting hole in one end of the swing shaft 12 is also sleeved on the supporting shaft 13, and the pressing block 4 and the swing shaft 12 can rotate around the supporting shaft 13 so as to realize the mounting and dismounting of the pump pipe 3.

Because the other end of balance staff 12 has still set up card cap 9, spring 11 and nut 10, be equipped with on the card cap 9 with balance staff 12 complex through-hole, the aperture of the lower extreme of through-hole and balance staff 12's external diameter looks adaptation, the aperture of the upper end of through-hole is greater than the external diameter of balance staff 12, installation spring 11 in the through-hole, and spring 11 overlaps on balance staff 12, during the use, through the effect of spring, card cap 9 along balance staff 12 can reciprocate for the pump line 3 in different apertures of cooperation, accomplish the pump line 3 in different apertures of self-adaptation promptly, reduce the wearing and tearing to pump line 3.

Further, the surface of the pressing block 4 contacting the pump pipe 3 is an arc surface. When the pump pipe 3 is arranged, the pump pipe is wound on the roller core 2, and the pressing block 4 is matched with the shape of the pump pipe 3 after being arranged, so that the pumping precision of the quality of the object can be better guaranteed. Of course, the pumping amount of the material can be controlled by adjusting the shape and the arc radian of the arc surface of the pressing block 4.

In order to reduce the wear on the pump tube 3, the arc surface of the pressure block 4 may be designed to be as smooth as possible, specifically, the smooth means may be grinding, providing a smooth coating, or the like.

Note that the two press blocks 4 have a rotationally symmetrical structure. When the workpiece is produced and processed, the same die can be adopted, and the swing shafts 12 on each pressing block 4 have the same structure, so that the production, the processing and the installation are convenient.

Example 4

The present embodiment provides a peristaltic pump comprising a motor 6 and a peristaltic pump head as described in embodiment 3.

When the peristaltic pump works specifically, the pressing block 4 and the swing shaft 12 are arranged on the end cover 1 to form an assembly body, the assembly body is connected and matched with a driving shaft in the pump body 5 by taking a central rotating shaft of the roller core 2 as a reference, and the motor 6 of the peristaltic pump rotates to drive the roller core 2 to rotate; form the extrusion to pump line 3 between the supporting gyro wheel on briquetting 4 and the gyro wheel core 2, through the rotation of gyro wheel core 2, the gyro wheel can continuously form the extrusion state along the circular arc of briquetting 4 face pump line 3, and then the material in the promotion pump line 3 flows along the pipeline direction, forms negative pressure state to 3 anterior segments of extruded pump line simultaneously, and then drives the incessant pipeline direction of following of material and flows, and the peristaltic pump realizes the function of the transmission of material.

The peristaltic pump is a double-pipeline peristaltic pump, the pumping quantity of substances is increased on the premise of limiting the size and the weight of the peristaltic pump as much as possible, and the pumping efficiency is improved. Meanwhile, the installation and the operation are simple and convenient, and the pump pipe 3 is protected to a certain extent.

Example 5

Plant protection unmanned aerial vehicle, also called unmanned vehicles, as the name implies is the unmanned aircraft who is used for agriculture and forestry plant protection operation, and this type unmanned aircraft comprises flight platform (fixed wing, helicopter, multiaxis aircraft), navigation flight control, spraying mechanism triplex, flies through ground remote control or navigation and controls, realizes spraying the operation, can spray medicament, seed, powder etc..

At present, the peristaltic pump in the field of the plant protection unmanned aerial vehicle is generally used in a single-pipeline single-pump head mode, the operation of replacing the pump pipe 3 is complex, the resource is wasted, and the weight of the unmanned aerial vehicle is increased and the cost is increased.

The plant protection unmanned aerial vehicle that this embodiment provided flies accuse and spraying mechanism including flight platform, navigation, spraying mechanism includes embodiment 3 peristaltic pump head.

This plant protection unmanned aerial vehicle owing to adopted the pump head of peristaltic pump that has two pump lines, has alleviateed unmanned aerial vehicle's weight, the effectual aerial dwell time of unmanned aerial vehicle that has increased.

The two pump lines modes that peristaltic pump head adopted, both ends are furnished with inlet and liquid outlet respectively, just accord with the design that plant protection unmanned aerial vehicle hangs wing both sides and spouts the medicine, and the pump line overall arrangement is reasonable more effective.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the utility model.

Claims

1. The utility model provides a briquetting subassembly, its characterized in that, the briquetting subassembly includes the briquetting of two relative settings, two the both sides of the gyro wheel core of peristaltic pump are located respectively to the briquetting, two be used for holding the pump line between briquetting and the gyro wheel core, the one end and the peristaltic pump body swing joint of briquetting.

2. The compact assembly of claim 1, wherein the compact has a movable end at one end and a fixed end at an opposite end, the movable end being rotatable about the fixed end.

3. The compact assembly of claim 2, wherein the fixed ends of the two compacts are arranged in parallel.

4. The ballast assembly of claim 2, wherein the movable ends of the two ballasts are connected by a connector, wherein the connector is fixedly connected with the peristaltic pump body.

5. The briquetting assembly of claim 2, wherein the fixed end of the briquetting is movably connected with the pendulum shaft, and the movable end of the briquetting is provided with a clamping groove for accommodating the pendulum shaft of another briquetting.

6. The compact assembly of claim 5, wherein the fixed end of the compact is connected to the pendulum shaft by a connecting shaft, the pendulum shaft being rotatable along the connecting shaft.

7. The briquetting assembly of claim 5, wherein the movable end of the pendulum shaft is provided with a clamping cap, and the clamping cap is provided with a through hole matched with the pendulum shaft.

8. The briquetting assembly of claim 7, wherein the aperture of the lower end of the through hole is matched with the outer diameter of the pendulum shaft, the aperture of the upper end of the through hole is larger than the outer diameter of the pendulum shaft, a spring is arranged between the through hole and the pendulum shaft, the spring is fixed by a nut arranged at the top of the pendulum shaft, and the clamping cap can move along the pendulum shaft during use.

9. A peristaltic pump head, wherein said pump head comprises a pump body, a roller core, an end cap, and a pressure block assembly as claimed in any one of claims 1 to 8;

10. The peristaltic pump head of claim 9, wherein the pressure block is fixedly coupled to the end cap by a support shaft about which the pressure block is rotatable.

11. The peristaltic pump head as claimed in claim 10, wherein the support shaft is rotatably mounted with a pendulum shaft, one end of the pendulum shaft rotates around the support shaft, and the other end is clamped into a clamping groove of the pressing block.

12. The peristaltic pump head of claim 9, wherein a surface of the pressing block contacting the pump tube is a circular arc surface.

13. The peristaltic pump head of claim 9, wherein two of the compacts are of rotationally symmetric construction.

14. The peristaltic pump head as claimed in claim 9, wherein the pump tube has a connector at each end thereof, the end cap and the pump body have a recess adapted to the connector, and the connector is engaged with a bayonet formed by the end cap and the recess of the pump body.

15. The peristaltic pump head of claim 9, wherein the end cap is removably coupled to the pump body.

16. A plant protection unmanned aerial vehicle comprising a flight platform, a navigation flight control and a spray mechanism, the spray mechanism comprising the peristaltic pump head of claim 9.