CN208950821U - Diaphragm pump and agriculture unmanned plane - Google Patents

Abstract

The utility model discloses a kind of diaphragm pump and agriculture unmanned planes, diaphragm pump includes pump housing mechanism, one-way valve mechanism, diaphragm mechanism and eccentric stiffener, one-way valve mechanism, diaphragm mechanism and eccentric stiffener are mounted on pump housing mechanism, pump housing mechanism is formed with liquid inlet and liquid outlet, diaphragm mechanism includes the diaphragm of pump cover and connection pump cover, one-way valve mechanism includes check valve and valve deck, check valve is mounted on pump housing mechanism by valve deck, pump cover is mounted on pump housing mechanism and covers diaphragm and valve deck, the detachably connected eccentric stiffener of diaphragm.A diaphragm cavity is collectively formed in pump cover and diaphragm, and the medial surface of pump cover is equipped with the runner being connected with diaphragm cavity, and liquid flows in or out diaphragm cavity by runner.In this way, one-way valve mechanism is arranged independently of diaphragm mechanism, it is ensured that when dismantling diaphragm, one-way valve mechanism is unaffected, simplifies diaphragm replacing operation, avoids the risk of check valve part loss.

Description

Diaphragm pump and agriculture unmanned plane

Technical field

The utility model relates to technical field of driving, more specifically, are related to a kind of diaphragm pump and agriculture unmanned plane.

Background technique

Currently, being widely used in plant protection industry in recent years due to the good corrosion resistance of diaphragm pump.Diaphragm pump work When, diaphragm needs to move back and forth, and diaphragm is caused to bear alternate stress always, it is easy to and it is damaged, cause pump can not work normally. Normally, diaphragm is typically mounted under pump cover, and the check valve of existing diaphragm pump is also typically mounted on diaphragm, this causes tearing open When unloading diaphragm, check valve is also inevitably removed, and is increased disassembly complexity, and check valve part is smaller, is easy to lose It loses.

Utility model content

The utility model provides a kind of diaphragm pump and agriculture unmanned plane.

The diaphragm pump of the utility model embodiment includes including pump housing mechanism, one-way valve mechanism, diaphragm mechanism and bias Mechanism, the one-way valve mechanism, the diaphragm mechanism and the eccentric stiffener are mounted on the pump housing mechanism, the pump housing mechanism It is formed with liquid inlet and liquid outlet, the diaphragm mechanism includes pump cover and the diaphragm for connecting the pump cover, the one-way valve mechanism Including check valve and valve deck, the check valve is mounted on the pump housing mechanism by the valve deck, and the pump cover is mounted on the pump Body mechanism simultaneously covers the diaphragm and the valve deck, the detachably connected eccentric stiffener of diaphragm；

Wherein, the pump cover and the diaphragm are collectively formed a diaphragm cavity, and the medial surface of the pump cover be equipped with The runner that the diaphragm cavity is connected, liquid flow in or out the diaphragm cavity by the runner.

In above-mentioned diaphragm pump, one-way valve mechanism is arranged independently of diaphragm mechanism, it is ensured that when dismantling diaphragm, check valve machine Structure is unaffected, simplifies diaphragm replacing operation, avoids the risk of check valve part loss.

In some embodiments, the diaphragm is connect by screw with the eccentric stiffener.

In some embodiments, the pump cover is mounted on the pump housing mechanism by screw.

In some embodiments, the surface of the diaphragm is equipped with interconnecting piece, and the head of the screw is located at the connection Portion.

In some embodiments, the pump includes motor mechanism, and the motor mechanism is mounted on the pump housing mechanism, institute Stating motor mechanism includes motor, and the motor shaft of the motor includes eccentric axial portion, and the eccentric stiffener includes bracket component, described Eccentric axial portion rotationally wears the bracket component, the detachably connected bracket component of diaphragm.

In some embodiments, the bracket component includes bracket and actuator, and the diaphragm is detachably connected described Bracket, the bracket offer installation through-hole, and the actuator is at least partially disposed in the installation through-hole, the driving Part is mounted on the eccentric axial portion, and the eccentric axial portion drives the actuator that the bracket and the diaphragm is driven to do when rotating It moves back and forth to increase or reduce the volume of the diaphragm cavity.

In some embodiments, the bracket component includes supporting element, and the diaphragm is existed by the supports support On the bracket.

In some embodiments, the eccentric stiffener includes auxiliary member, and the auxiliary member is corresponding with the actuator to be set It sets, and for being contacted with the actuator；

Wherein, when the motor works, the motor shaft of the motor drives the actuator movement, keeps the actuator past The auxiliary member is abutted again, and the bracket follows the auxiliary member to move together, so that the bracket be made to drive the diaphragm It moves reciprocatingly.

In some embodiments, the auxiliary member is located between the actuator and the side wall of the installation through-hole.

In some embodiments, the first card slot and second are offered away from the surface of the auxiliary member of the actuator Card slot, the bracket is in the shape of a frame, and a frame of the bracket is fastened on first card slot, and the supporting element is convexly equipped with fixture block, The fixture block is fastened on second card slot.

In some embodiments, the diaphragm pump includes spring bearing, and the spring bearing is located at the pump housing mechanism In, the motor includes motor body, motor body described in the motor axis connection, the motor far from the motor body One end of axis is equipped with the spring bearing.

In some embodiments, the diaphragm pump includes motor mechanism, and the motor mechanism is mounted on the pump housing machine Structure, the motor mechanism include motor, and the motor shaft of the motor includes eccentric axial portion, and the eccentric axial portion connects the bias Mechanism, the motor increase for driving the motor shaft to drive the diaphragm to move reciprocatingly by the eccentric stiffener or Reduce the volume of the diaphragm cavity.

In some embodiments, the motor includes the motor body for connecting the motor shaft, towards the pump housing machine The surface of the motor body of structure is equipped with protrusion, and the side of the pump housing mechanism is equipped with groove, and the protrusion is accommodated in described Groove.

In some embodiments, the diaphragm pump includes plug mechanism, and the plug mechanism connects the motor mechanism.

In some embodiments, the pump cover offers the first chamber and the second chamber, and the runner is connected to first chamber With second chamber, the valve deck offers valve cover cavity, and the valve cover cavity and second chamber are correspondingly connected with to form flowing lumen Room, the first chamber described in the diaphragm seal is to form the diaphragm cavity.

In some embodiments, the single pump cover offers the single runner.

In some embodiments, the runner is formed with opening in the side of the pump cover, and the diaphragm mechanism includes Plug, the plug are arranged in the runner and block the opening.

In some embodiments, the valve deck offers valve cover cavity, and the valve cover cavity is equipped with valve deck flow channel and valve Lid flow pass, the check valve include the first check valve and second one-way valve, and first check valve is for controlling the valve The opening and closing of lid flow channel, the second one-way valve are used to control the opening and closing of the valve deck flow pass, institute It states one-way valve mechanism to be configured to when first check valve opens the valve deck flow channel, the second one-way valve is closed The valve deck flow pass, when the second one-way valve opens the valve deck flow pass, the first closed check valve institute State valve deck flow channel.

In some embodiments, first check valve and each check valve of the second one-way valve include valve seat, The spool being mounted on the valve seat and the elastic component with spool cooperation；

First check valve and the spool installation direction of the second one-way valve are opposite.

In some embodiments, the valve seat of first check valve is located at the pump housing mechanism, the second one-way valve Valve seat be located at the valve cover cavity.

The agriculture unmanned plane of the utility model embodiment includes fuselage, the liquid reserve tank for storing medical fluid, spray assembly With diaphragm pump described in above embodiment, the diaphragm pump is connected to the liquid reserve tank and the spray assembly, institute by pipeline Diaphragm pump is stated for the liquid pump of the liquid reserve tank to be drawn the spray assembly.

In above-mentioned agricultural unmanned plane, one-way valve mechanism is arranged independently of diaphragm mechanism, it is ensured that when dismantling diaphragm, unidirectionally Valve system is unaffected, simplifies diaphragm replacing operation, avoids the risk of check valve part loss.

The additional aspect and advantage of the utility model embodiment will be set forth in part in the description, partially will be under Become obvious in the description in face, or is recognized by the practice of the utility model.

Detailed description of the invention

In description of the above-mentioned and/or additional aspect and advantage of the utility model from combination following accompanying drawings to embodiment It will be apparent and be readily appreciated that, in which:

Fig. 1 is the floor map of the agriculture unmanned plane of the utility model embodiment；

Fig. 2 is the stereoscopic schematic diagram of the diaphragm pump of the utility model embodiment；

Fig. 3 is the part isometric decomposition diagram of the diaphragm pump of the utility model embodiment；

Fig. 4 is another part perspective exploded view of the diaphragm pump of the utility model embodiment；

Fig. 5 is the diagrammatic cross-section of the diaphragm pump of the utility model embodiment；

Fig. 6 is the enlarged diagram of the part diaphragm pump I of Fig. 5；

Fig. 7 is another diagrammatic cross-section of the diaphragm pump of the utility model embodiment；

Fig. 8 is the part isometric schematic diagram of the diaphragm pump of the utility model embodiment；

Fig. 9 is another part isometric decomposition diagram of the diaphragm pump of the utility model embodiment；

Figure 10 is the another part isometric decomposition diagram of the diaphragm pump of the utility model embodiment；

Figure 11 is the partial cutaway schematic view of the diaphragm pump of the utility model embodiment；

Figure 12 is the stereoscopic schematic diagram of the pump housing mechanism of the diaphragm pump of the utility model embodiment；

Figure 13 is the stereoscopic schematic diagram of the pump cover of the diaphragm pump of the utility model embodiment；

Figure 14 is the bracket component of the diaphragm pump of the utility model embodiment and the stereoscopic schematic diagram of diaphragm；

Figure 15 is the bracket component of the diaphragm pump of the utility model embodiment and the floor map of diaphragm；

Figure 16 is the bracket component of the diaphragm pump of the utility model embodiment and the part isometric decomposition diagram of diaphragm；

Figure 17 is the bracket component of the diaphragm pump of the utility model embodiment and the diagrammatic cross-section of diaphragm；

Figure 18 is the stereoscopic schematic diagram of the auxiliary member of the diaphragm pump of the utility model embodiment；

Figure 19 is the stereoscopic schematic diagram of the motor mechanism of the diaphragm pump of the utility model embodiment；

Figure 20 is the perspective exploded view of the motor mechanism of the diaphragm pump of the utility model embodiment；

Figure 21 is the diagrammatic cross-section of the motor mechanism of the diaphragm pump of the utility model embodiment.

Main element symbol description:

Agriculture unmanned plane 1000；

Diaphragm pump 100；

Pump housing mechanism 10, the first fixing piece 101, the second fixing piece 102, the pump housing 11, the installation of the first mounting surface 111, second Face 112, accommodating cavity 113, the first mounting groove 114, bottom surface 1141, installation cavity 1140, groove 115, liquid inlet 116, liquid outlet 117, one-way valve mechanism 20, check valve 21, the first check valve 211, second one-way valve 212, valve seat 213, spool 214, elastic component 215, the first positioning column 216, the second positioning column 217, valve deck 22, valve cover cavity 221, valve deck flow channel 222, valve deck flow pass 223, diaphragm mechanism 30, pump cover 31, diaphragm cavity 310, the first chamber 311, the second chamber 312, runner 313, opening 3131, circulation chamber 314, diaphragm 32, connector 321, interconnecting piece 322, plug 33, motor mechanism 40, motor 41, motor body 411, protrusion 4111, Motor shaft 412, eccentric axial portion 413, shell 42, the second mounting groove 421, eccentric stiffener 50, bracket component 51, bracket 511, driving Part 512, supporting element 513, fixture block 5131, auxiliary member 52, the first card slot 521, the second card slot 522, contact surface 523, spring bearing 60, plug mechanism 70, header body 71, end 72；

Fuselage 200, liquid reserve tank 300, spray assembly 400, horn 500, foot prop 600.

Specific embodiment

The embodiments of the present invention is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and should not be understood as practical to this Novel limitation.

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 device or element of indication or suggestion meaning 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 " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated technology The quantity of feature.Define " first " as a result, the feature of " second " can explicitly or implicitly include it is one or more The feature.The meaning of " plurality " is two or more in the description of the present invention, unless otherwise clearly specific It limits.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection.It can be mechanical connection, be also possible to be electrically connected.Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements or the interaction relationship of two elements.For those of ordinary skill in the art and Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.

Referring to Fig. 1, the diaphragm pump 100 of the utility model embodiment is applied to the agricultural of the utility model embodiment Unmanned plane 1000 perhaps then provides sprinkling driving for agriculture unmanned plane 1000 or other spray appliances on other spray appliances Power.The utility model embodiment is further illustrated so that diaphragm pump 100 is applied to agriculture unmanned plane 1000 as an example.

Incorporated by reference to Fig. 1, the agriculture unmanned plane 1000 of the utility model embodiment includes fuselage 200, for storing medical fluid Liquid reserve tank 300, spray assembly 400 and horn 500.Diaphragm pump 100 is connected to liquid reserve tank 300 and spray assembly 400 by pipeline. Diaphragm pump 100 out of liquid reserve tank 300 for pumping liquid to spray assembly 400, to be irrigated.

It should be noted that mounting means of the diaphragm pump 100 on agriculture unmanned plane 1000 can be according to specific application environment Accordingly it is arranged, such as shown in Figure 1 is mounted on fuselage 200.Installation of the liquid reserve tank 300 on agriculture unmanned plane 1000 Mode is also not especially limited, such as can be fixed on the foot prop 600 of agriculture unmanned plane 1000 by fixing pieces such as screws.Sprinkling Mounting means of the component 400 on agriculture unmanned plane 1000 is also not especially limited, such as can be connected by clamping or screw Or other fixed forms are fixed on fuselage 200.In the example depicted in figure 1, it is separate to be set to horn 500 for spray assembly 400 The side of fuselage 100.Spray assembly 400 includes spray head (not shown go out).Spray assembly 400 sprays liquid by spray head to carry out It irrigates.

Please see Fig. 2 to Fig. 4, the diaphragm pump 100 of present embodiment includes pump housing mechanism 10, one-way valve mechanism 20, diaphragm Mechanism 30, motor mechanism 40, eccentric stiffener 50, spring bearing 60 and plug mechanism 70.One-way valve mechanism 20, diaphragm mechanism 30, Motor mechanism 40, eccentric stiffener 50 and plug mechanism 70 are mounted on pump housing mechanism 10.Spring bearing 60, which is held, is located at pump housing mechanism 10 In.In the present embodiment, plug mechanism 70 is installed on pump housing mechanism 10 by motor mechanism 40.Plug mechanism 70 is electrically connected electricity Machine mechanism 40.

It should be noted that in the present embodiment, the number of one-way valve mechanism 20 is two.Two one-way valve mechanisms 20 Structure it is consistent.The utility model embodiment will be illustrated by taking one of one-way valve mechanism 60 as an example.Diaphragm mechanism 30 Number be two.The structure of Liang Ge diaphragm mechanism 30 is consistent.The utility model embodiment will be with one of diaphragm mechanism It is illustrated for 30.

Incorporated by reference to Fig. 4 to Fig. 5 and Fig. 8 to Figure 12, pump housing mechanism 10 includes the pump housing 11.The pump housing 11 is in cuboid shape substantially. Two opposite end sides of the pump housing 11 are respectively formed with the first mounting surface 111.The another side of the pump housing 11 is formed with the second mounting surface 112.Second mounting surface 112 is located between two the first mounting surfaces 111.The pump housing 11 is offered through two the first mounting surfaces 111 Accommodating cavity 113.Each first mounting surface 111 offers the first mounting groove 114.Eccentric stiffener 50 and spring bearing 60 are set to In accommodating cavity 113.One-way valve mechanism 20 is installed on the first mounting groove 114.One diaphragm mechanism 30 is installed on corresponding one One mounting surface 111 simultaneously covers a corresponding one-way valve mechanism 20.

Each diaphragm mechanism 30 is at least partly placed in accommodating cavity 113.It is convenient for the peace installation and dismantling of diaphragm mechanism 30 in this way It unloads, and independentization for being conducive to each mechanism designs.The bottom surface 1141 of each first mounting groove 114 is opened up there are two installation cavity 1140.One-way valve mechanism 20 is partially installed in two installation cavitys 1140.The setting of installation cavity 1140 can be improved check valve machine The stability that structure 20 is installed.

Second mounting surface 112 opens up fluted 115.Groove 115 is connected to accommodating cavity 113.Groove 115 can be used to position electricity The installation direction of machine mechanism, get up foolproof function.

Incorporated by reference to Fig. 2 and Fig. 7, the pump housing 11 offers liquid inlet 116 and liquid outlet 117.When diaphragm pump 100 works, liquid Body can be entered diaphragm pump 100 by liquid inlet 116, and can flow out diaphragm pump 100 by liquid outlet 117.In the present embodiment, Liquid inlet 116 and liquid outlet 117 are provided with two opposite sides of the pump housing 11 respectively.In the orientation of Fig. 7,116 He of liquid inlet Liquid outlet 117 is provided with the left and right side of the pump housing 11 respectively.Liquid inlet 116 can be connected to liquid reserve tank 300, and liquid outlet 116 can be connected to Spray assembly 400.

Incorporated by reference to Fig. 3 and Fig. 4, one-way valve mechanism 20 includes check valve 21 and valve deck 22.Valve deck 22 installs check valve 21 In pump housing mechanism 10.Specifically, check valve 21 is mounted on the first mounting groove 114 by valve deck 22.It is appreciated that unidirectional in order to improve The stability that valve system 20 is installed, can make the shape of valve deck 22 and the shape of the first mounting groove 114 match.

It is appreciated that valve deck 22 can be fixed on the pump housing 11 by the first fixing piece 101.Wherein, the first fixing piece 101 is for example It can be screw.In this way when valve deck 22 is fixed on the pump housing 11 by the first fixing piece 101, that is, realize one-way valve mechanism 20 It is individually fixed.

Incorporated by reference to Fig. 7, check valve 21 includes the first check valve 211 and second one-way valve 212.Valve deck 22 offers valve cover cavity 221.Valve cover cavity 221 is equipped with valve deck flow channel 222 and valve deck flow pass 223.First check valve 211 is used for application valve cover stream Enter the opening and closing in channel 222.Second one-way valve 212 is used for the opening and closing of application valve cover flow pass 223.Check valve Mechanism 20 is configured to when the first check valve 211 opens valve deck flow channel 222, and second one-way valve 212 closes valve deck outflow Channel 223, when second one-way valve 212 opens valve deck flow pass 223, the first check valve 211 closes valve deck flow channel 222.The control that valve cover cavity 221 is flowed in or out to liquid is realized by check valve 21 in this way.It should be noted that first is unidirectional Valve 211 and second one-way valve 212 can make liquid along setting direction one-way flow.

In the present embodiment, when the first check valve 211 opens valve deck flow channel 222, liquid inlet 116 is connected to valve deck Flow channel 222, liquid can enter valve deck flow channel 222 via liquid inlet 116；Valve deck is closed in the first check valve 211 When flow channel 222, liquid inlet 116 is not connected to valve deck flow channel 222, and liquid can not enter valve deck via liquid inlet 116 Flow channel 222.When second one-way valve 212 opens valve deck flow pass 223, liquid outlet 117 is connected to valve deck flow pass 223, the liquid in valve deck flow pass 223 can flow out diaphragm pump 100 by liquid outlet 117；Valve is closed in second one-way valve 212 When lid flow pass 223, liquid outlet 117 is not connected to valve deck flow pass 223, and the liquid in valve deck flow pass 223 can not Diaphragm pump 100 is flowed out by liquid outlet 117.

In order to improve the stability of liquid flowing, each check valve of the first check valve 211 and second one-way valve 212 includes Valve seat 213, the spool 214 being mounted on valve seat 213 and the elastic component 215 cooperated with spool 214.First check valve, 211 He 214 installation direction of spool of second one-way valve 212 is opposite.For the ease of controlling the flowing of liquid, the valve seat of the first check valve 211 213 are located at pump housing mechanism 10, and the valve seat 213 of second one-way valve 212 is located at valve cover cavity 221.

It should be noted that elastic component 215 may be, for example, spring.One end of elastic component 215 is arranged valve seat 213, another End cap sets spool 214, then can make spool 214 that elastic component 215 be followed steadily to move back and forth.

In the example shown in Fig. 6, in order to improve the stability that elastic component 215 is run, the inner wall of valve cover cavity 221 is convexly equipped with Position the first positioning column 216 of the elastic component 215 of the first check valve 211.Pump housing mechanism 10 is provided with positioning second one-way valve 212 Elastic component 215 the second positioning column 217.Incorporated by reference to Fig. 3 to Fig. 6, diaphragm mechanism 30 include pump cover 31, connection pump cover 31 every Film 32 and plug 33.A diaphragm cavity 310 is collectively formed in pump cover 31 and diaphragm 32.In the present embodiment, each pump cover 31 with A diaphragm cavity 310 is collectively formed in a corresponding diaphragm 32.That is, the number of diaphragm cavity 310 is two.

Pump cover 31 is mounted on pump housing mechanism 10 and covers diaphragm 32 and valve deck 22.Specifically, diaphragm 32 is set to accommodating cavity 113.Pump cover 31 is mounted on the first mounting surface 111 and covers diaphragm 32 and valve deck 22.In this way, each mechanism can be individually designed, it is maximum The reducing mechanism dependence of limit, maintains easily.Check valve 21 is fixed on pump housing mechanism 10 by valve deck 22.Meanwhile when pump cover 31 After opening, check valve 21 is still mounted in pump housing mechanism 10 by valve deck 22, and check valve 21 is not fallen out.It needs to continue by valve deck After 22 disassemblies, check valve 21 could be removed, and when dismantling diaphragm 32, check valve 21 will not be removed, and be avoided Lose the risk of 21 part of check valve.

It is appreciated that pump cover 31 can be fixed on the pump housing 11 by the second fixing piece 102.Wherein, the second fixing piece 102 is for example It can be screw.In this way when needing to dismantle pump cover 31, the second fixing piece 102 only need to be backed out, pump cover 31 can be removed, then can It is enough to remove diaphragm 32.And when pump cover 31 is removed, one-way valve mechanism 20 is still individually fixedly installed in by the first fixing piece 101 The pump housing 11, does not fall out.It needs to continue to remove the first fixing piece 101, check valve 21 can be removed.

Incorporated by reference to Figure 13, pump cover 31 offers the first chamber 311, the second chamber 312 and is connected to the first chamber 311 and the second chamber 312 Runner 313.Valve cover cavity 221 and the second chamber 312 are correspondingly connected with to form the chamber 314 that circulates.Diaphragm 32 seal the first chamber 311 with Form diaphragm cavity 310, the connection of runner 313 circulation chamber 314 and diaphragm cavity 310.It is appreciated that in the present embodiment, individually Pump cover 31 opens up single runner 313.In this way, by utilizing single runner 313 to be connected between diaphragm cavity 310 and one-way valve mechanism 20, The complexity and manufacturing cost of diaphragm pump 100 can be reduced in this way, while reducing liquid flowing resistance.Shown in Fig. 5 and Figure 13 In example, pump cover 31 is substantially in a rectangular parallelepiped shape.Runner 313 is provided with the medial surface of pump cover 31.Runner 313 and diaphragm cavity 310 connect It is logical.Liquid flows into or out diaphragm cavity 310 by runner 313.Enter the liquid of valve deck flow channel 222 by liquid inlet 116 Diaphragm cavity 310 can be entered via runner 313.And the liquid in diaphragm cavity 310 can enter valve deck outflow via runner 313 and lead to Road 222, and diaphragm pump 100 is flowed out via liquid outlet 117.

Runner 313 is formed with opening 3131 in the side of pump cover 31.Plug 33 is arranged in runner 313 and blocks opening 3131.In this way, the setting of plug 33 can effectively prevent liquid by 3131 outflow of opening.Preferably, plug 33 is removably pacified In runner 313, when needing to clear up runner 313, plug 33 only need to be opened, without dismantling entire pump cover 31, save maintenance cost and time.In one example, the mode that plug 33 is connected through a screw thread is arranged in runner 313.

The detachably connected eccentric stiffener 50 of diaphragm 32.In this way, one-way valve mechanism 20 is designed independently of diaphragm mechanism 30, Ensure that, when dismantling diaphragm 32, one-way valve mechanism 20 is unaffected, simplifies 32 replacement operation of diaphragm, avoid check valve 21 0 The risk that part is lost.Diaphragm 32 is connect by connector 321 with pump housing mechanism 10.Specifically, the surface of diaphragm 32 is equipped with connection Portion 322.The head of connector 321 is located at interconnecting piece 322.In this way, the stability that diaphragm 32 is connect with connector 321 is preferable.

Incorporated by reference to Figure 19 to Figure 21, motor mechanism 40 includes motor 41, shell 42 and lid 43.Motor 41 includes motor sheet Body 411 and motor shaft 412.Motor shaft 412 connects motor body 411.The motor shaft 412 of motor 41 includes eccentric axial portion 413.Partially Mandrel portion 413 connects eccentric stiffener 50.Motor 41 drives diaphragm 32 to do back and forth for drive motor shaft 412 by eccentric stiffener 50 It moves to increase or reduce the volume of diaphragm cavity 310.In this way, when the volume of diaphragm cavity 310 reduces, liquid in diaphragm cavity 310 It can be squeezed and be flowed out by runner 313, and be able to enter circulation chamber 314, and can be in 212 opening valve of second one-way valve It is flowed out when lid flow pass 223 by liquid outlet 117；When the volume of diaphragm cavity 310 increases, diaphragm cavity 310 can be by flowing lumen The liquid of room 314 sucks in diaphragm cavity 310 via runner 313.

It is appreciated that the setting of eccentric axial portion 413 so that the power of motor 41 is directly passed to eccentric axial portion 413, is reduced Transmission loss.It should be noted that eccentric axial portion 413 can be set in an integrated fashion on motor shaft 412, it is inclined to be formed Mandrel just can be avoided spline on motor shaft 412 or the strength reduction problem of trimming in this way.

Incorporated by reference to Fig. 5, protrusion 4111 is equipped with towards the surface of the motor body 411 of pump housing mechanism 10.Protrusion 4111 accommodates In groove 115.Eccentric axial portion 413 is rotationally placed in accommodating cavity 113.Protrusion 4111 and being equipped with for groove 115 can The installation direction that positioning motor mechanism 40 arrives pump housing mechanism 10 is played, foolproof function is played.Further, far from motor body 411 One end of motor shaft 412 spring bearing 60 is installed.Spring bearing 60 is set in accommodating cavity 113 and can be improved motor shaft Stability when 412 rotation.

Incorporated by reference to Figure 20, shell 42 offers the second mounting groove 421.Plug mechanism 70 includes header body 71 and and plug The end 72 that ontology 71 connects.End 71 is removably installed in the second mounting groove 421 so that plug mechanism 70 is installed on shell 42.It is convenient for the installation and disassembly of plug mechanism 70 in this way.Motor 41 is contained in lid 43.

Incorporated by reference to Figure 14 to Figure 18, eccentric stiffener 50 includes bracket component 51 and auxiliary member 52.The eccentric shaft of motor shaft 412 Portion 413 rotationally wears bracket component 51.Bracket component 51 connects diaphragm 32.In this way, eccentric axial portion 413 rotates and being capable of band Dynamic bracket component 51 moves reciprocatingly to drive diaphragm 32 to move reciprocatingly to increase or reduce the volume of diaphragm cavity 310.

Bracket component 51 includes bracket 511, actuator 512 and supporting element 513.Bracket 511 connects diaphragm 32.Bracket 511 It is in the shape of a frame.Bracket 511 offers installation through-hole 5111.Auxiliary member 52 can be removably mounted on bracket 511 by buckle structure On.It is convenient for the disassembly of auxiliary member 52 in this way, can be realized quick-replaceable.Diaphragm 32 is supported on bracket 511 by supporting element 513 On, stability when such diaphragm 32 moves reciprocatingly is preferable.

Incorporated by reference to Fig. 5 and Figure 17, in the present embodiment, the number of supporting element 513 is two.Two supporting elements 513 are set It is placed in the opposite both ends of bracket 511.Two diaphragms 32 are respectively arranged at two supporting elements 513.Two diaphragms 32 are about bracket 511 It is symmetrical arranged.One in two supporting elements 513 is set between the diaphragm 32 of a diaphragm mechanism 30 and bracket 511 to support A corresponding diaphragm 32, another is set between the diaphragm 32 of another diaphragm mechanism 30 and bracket 511 with support pair Another diaphragm 32 answered.Eccentric axial portion 413 rotates and is able to drive bracket component 51 and moves reciprocatingly to drive two diaphragms 32 move reciprocatingly to increase or reduce the volume of corresponding diaphragm cavity 310.

Wherein, diaphragm 32 is connect by connector 321 with bracket 511.It should be noted that connector 321 may be, for example, Screw, one end of connector 321 and the embeddable molding of diaphragm 32, the other end can be realized in a manner of being spirally connected solid with bracket 511 Fixed connection.

Actuator 512 is mounted on eccentric axial portion 413.Auxiliary member 52 is located at the side wall of actuator 512 Yu installation through-hole 5111 Between.Auxiliary member 52 is correspondingly arranged with actuator 512.Auxiliary member 52 with actuator 512 for contacting.Wherein, motor 41 works When, eccentric axial portion 413 drives actuator 512 to move, and so that actuator 512 is reciprocally abutted auxiliary member 52, bracket 511 follows auxiliary Part 52 moves together, to make bracket 511 that diaphragm 32 be driven to move reciprocatingly.In this way, passing through the method solution for increasing auxiliary member 52 The certainly wear problem of eccentric stiffener 50 wears auxiliary member 52 when diaphragm pump 100 is run, and drives without damaging or reducing damage Moving part 512 and bracket 511 improve the service life and reliability of diaphragm pump 100.

The first card slot 521 and the second card slot 522 are offered away from the surface of the auxiliary member 52 of actuator 512.Bracket 511 One frame is fastened on the first card slot 521.Supporting element 513 is convexly equipped with fixture block 5131.Fixture block 5131 is fastened on the second card slot 522.Such as This, realizes auxiliary member 52 and is removably mounted on bracket 511 by buckle structure, while can guarantee that auxiliary member 52 is axial And radially fixed stability.

It is appreciated that actuator 512 may be, for example, bearing.In this way, the stability of actuator 512 is preferable.

It should be understood that in other embodiments, motor shaft 412 can also be not provided with eccentric axial portion 413, actuator 512 are directly set on motor shaft 412, eccentric lobe portion are formed on actuator 512, so that the actuator 512 is past Auxiliary member 52 is abutted again.For example, actuator 512 can be the capacity eccentric bearing being set on motor shaft 412, in motor shaft 412 When rotation, eccentric shaft makes eccentric motion, so that driving arm component 51 is reciprocally moved to drive diaphragm 32 to move reciprocatingly.

In the example shown in Figure 17, the number of auxiliary member 52 is two.Two auxiliary members 52 are symmetrically separately mounted to The opposite two side walls of installation through-hole 5111.Actuator 512 is located between two auxiliary members 52.Abrasive effect is prevented so more It is good.Each auxiliary member 52 is formed with the contact surface 523 for contacting with actuator 512.Away from the auxiliary member 52 of actuator 512 Surface is opposite with contact surface 523.The formation of contact surface 520 is capable of increasing the area that auxiliary member 52 is contacted with actuator 521, and mentions High actuator 512 reciprocally abuts the stability of auxiliary member 52.

It should be noted that auxiliary member 52 may be, for example, gasket.Auxiliary member 52 can using wear-resistant plastic (such as nylon or Person's acetal plastic etc.) or bronze etc..For the ease of the installation and disassembly of auxiliary member 52, auxiliary member 52 can be made integrally to be square Shape is buckled, in other words, auxiliary member 52 is mounted on bracket 511 by way of buckle.When motor mechanism 40 is removed, partially Mandrel portion 413 disengages, and at this moment auxiliary member 52 can be removed, to carry out quick-replaceable.

Incorporated by reference to Fig. 5, in the present embodiment, the eccentric axial portion 413 of rotation is able to drive bracket component 51 and does reciprocal fortune It is dynamic to be moved reciprocatingly with two diaphragms 32 of drive with close or separate with relatively corresponding pump cover 31 respectively, so that two diaphragms The volume size of chamber 310 is towards opposite direction change.In the present embodiment, it is opposite to be located at bracket component 51 for two diaphragms 32 Two sides, the upper side and lower side as shown in Figure 5.When motor 41 works, two diaphragms 32 are moved towards identical direction.Bracket Component 51 can be when the diaphragm 32 on the upside of extruding moves upwards, and the diaphragm 32 for stretching downside also moves upwards.At this moment it is squeezed Upside diaphragm 32 it is mobile to the pump cover 31 close to upside, and the downside diaphragm 32 being stretched is moved to the pump cover 31 far from downside It is dynamic, so that the volume for being formed by upside diaphragm cavity 310 with upside pump cover 31 by extruded diaphragm 32 be made to reduce, and it is stretched Diaphragm 32 and downside pump cover 31 be formed by downside diaphragm cavity 310 volume increase.Please in conjunction with Fig. 7, when the diaphragm of upside When 310 volume of chamber increases, liquid is drawn from liquid reserve tank 300 by runner 313 and circulation chamber 314, the first check valve 211 is opened Valve deck flow channel 222 and second one-way valve 212 close valve deck flow pass 223.When 310 volume of diaphragm cavity of upside reduces When, liquid is discharged to spray assembly 400 by runner 313 and circulation chamber 314, it is logical that second one-way valve 212 opens valve deck outflow Road 223 and the first check valve 211 close valve deck flow channel 222.Similarly, the diaphragm cavity 310 of downside reduces or increases in volume When big, also do the discharge of identical liquid and suction process, difference be, when the diaphragm cavity 310 of upside draws liquid, downside every Liquid is discharged in membrane cavity 310；When the diaphragm cavity 310 of downside draws liquid, liquid is discharged in the diaphragm cavity 310 of upside.Liquid energy in this way It is enough that runner 313 is flowed out to be sprayed by spray assembly 400 by a reduced volume of diaphragm cavity 310, and liquid can be inhaled And enter the diaphragm cavity 310 of volume increase to realize suction of the diaphragm pump 100 to liquid.

To sum up, above-mentioned diaphragm pump 100 includes pump housing mechanism 10, one-way valve mechanism 20, diaphragm mechanism 30 and eccentric stiffener 50, One-way valve mechanism 20, diaphragm mechanism 30 and eccentric stiffener 50 are mounted on pump housing mechanism 10, and pump housing mechanism 10 is formed with liquid inlet 116 With liquid outlet 117, diaphragm mechanism 10 includes pump cover 31 and the diaphragm 32 for connecting pump cover 31, and one-way valve mechanism 20 includes check valve 21 With valve deck 22, check valve 21 is mounted on pump housing mechanism 10 by valve deck 22, and pump cover 31 is mounted on pump housing mechanism 10 and covers diaphragm 32 With valve deck 22, the detachably connected eccentric stiffener 50 of diaphragm 32.Wherein, a diaphragm cavity is collectively formed in pump cover 31 and diaphragm 32 310, and the medial surface of pump cover 31 is equipped with the runner 313 being connected with diaphragm cavity 310, and liquid is flowed into or is flowed by runner 313 Diaphragm cavity 310 out.

In above-mentioned diaphragm pump 100, one-way valve mechanism 20 is designed independently of diaphragm mechanism 30, it is ensured that in disassembly diaphragm 32 When, one-way valve mechanism 20 is unaffected, simplifies 32 replacement operation of diaphragm, avoids the risk of 21 part of check valve loss.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above " One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only Indicate that first feature horizontal height is less than second feature.

Above disclosure provides many different embodiments or example is used to realize the different structure of the utility model. In order to simplify the disclosure of the utility model, above the component of specific examples and setting are described.Certainly, they are only Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments And/or the relationship between setting.In addition, the example of various specific techniques and material that the utility model provides, but this Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.

In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation The description of mode ", " example ", " specific example " or " some examples " etc. means embodiment or example is combined to describe specific Feature, structure, material or feature are contained at least one embodiment or example of the utility model.In this specification In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.

While there has been shown and described that the embodiments of the present invention, those skilled in the art can manage Solution: a variety of to the progress of these embodiments can change in the case where not departing from the principles of the present invention and objective, modify, Replacement and variant, the scope of the utility model are defined by the claims and their equivalents.

Claims (21)

1. a kind of diaphragm pump, which is characterized in that including pump housing mechanism, one-way valve mechanism, diaphragm mechanism and eccentric stiffener, the list It is mounted on the pump housing mechanism to valve system, the diaphragm mechanism and the eccentric stiffener, the pump housing mechanism is formed with into liquid Mouth and liquid outlet, the diaphragm mechanism include pump cover and the diaphragm for connecting the pump cover, and the one-way valve mechanism includes check valve And the check valve is mounted on the pump housing mechanism by valve deck, the valve deck, the pump cover is mounted on the pump housing mechanism and covers Cover the diaphragm and the valve deck, the detachably connected eccentric stiffener of diaphragm；

Wherein, the pump cover and the diaphragm are collectively formed a diaphragm cavity, and the medial surface of the pump cover be equipped with it is described The runner that diaphragm cavity is connected, liquid flow in or out the diaphragm cavity by the runner.

2. diaphragm pump as described in claim 1, which is characterized in that the diaphragm is connect by screw with the eccentric stiffener.

3. diaphragm pump as claimed in claim 1 or 2, which is characterized in that the pump cover is mounted on the pump housing machine by screw Structure.

4. diaphragm pump as claimed in claim 2, which is characterized in that the surface of the diaphragm is equipped with interconnecting piece, the screw Head is located at the interconnecting piece.

5. diaphragm pump as described in claim 1, which is characterized in that the pump includes motor mechanism, the motor mechanism installation In the pump housing mechanism, the motor mechanism includes motor, and the motor shaft of the motor includes eccentric axial portion, the eccentric stiffener Including bracket component, the eccentric axial portion rotationally wears the bracket component, the detachably connected branch of diaphragm Frame component.

6. diaphragm pump as claimed in claim 5, which is characterized in that the bracket component includes bracket and actuator, it is described every Film is detachably connected the bracket, and the bracket offers installation through-hole, and the actuator is at least partially disposed on the peace It fills in through-hole, the actuator is mounted on the eccentric axial portion, and the eccentric axial portion drives the actuator to drive institute when rotating It states bracket and the diaphragm moves reciprocatingly to increase or reduce the volume of the diaphragm cavity.

7. diaphragm pump as claimed in claim 6, which is characterized in that the bracket component includes supporting element, and the diaphragm passes through The supports support is on the bracket.

8. diaphragm pump as claimed in claim 7, which is characterized in that the eccentric stiffener includes auxiliary member, the auxiliary member with The actuator is correspondingly arranged, and for contacting with the actuator；

Wherein, when the motor works, the motor shaft of the motor drives the actuator movement, makes the actuator reciprocally The auxiliary member is abutted, the bracket follows the auxiliary member to move together, so that it is past to make the bracket that the diaphragm be driven to do Multiple movement.

9. diaphragm pump as claimed in claim 8, which is characterized in that the auxiliary member is located at the actuator and the installation is logical Between the side wall in hole.

10. diaphragm pump as claimed in claim 8, which is characterized in that open on the surface away from the auxiliary member of the actuator Equipped with the first card slot and the second card slot, the bracket is in the shape of a frame, and a frame of the bracket is fastened on first card slot, described Supporting element is convexly equipped with fixture block, and the fixture block is fastened on second card slot.

11. such as the described in any item diaphragm pumps of claim 5-10, which is characterized in that the diaphragm pump includes spring bearing, institute Spring bearing to be stated to be located in the pump housing mechanism, the motor includes motor body, motor body described in the motor axis connection, One end of the motor shaft far from the motor body is equipped with the spring bearing.

12. diaphragm pump as described in claim 1, which is characterized in that the diaphragm pump includes motor mechanism, the motor mechanism It is mounted on the pump housing mechanism, the motor mechanism includes motor, and the motor shaft of the motor includes eccentric axial portion, the bias Axle portion connects the eccentric stiffener, and the motor is for driving the motor shaft to drive the diaphragm to do by the eccentric stiffener It moves back and forth to increase or reduce the volume of the diaphragm cavity.

13. diaphragm pump as claimed in claim 12, which is characterized in that the motor includes the motor sheet for connecting the motor shaft Body is equipped with protrusion towards the surface of the motor body of the pump housing mechanism, and the side of the pump housing mechanism is equipped with groove, institute It states protrusion and is accommodated in the groove.

14. diaphragm pump as claimed in claim 12, which is characterized in that the diaphragm pump includes plug mechanism, the plug machine Structure connects the motor mechanism.

15. diaphragm pump as described in claim 1, which is characterized in that the pump cover offers the first chamber and the second chamber, the stream Road is connected to first chamber and second chamber, the valve deck offer valve cover cavity, and the valve cover cavity is corresponding with second chamber Connection is to form circulation chamber, and the first chamber described in the diaphragm seal is to form the diaphragm cavity.

16. diaphragm pump as claimed in claim 15, which is characterized in that the single pump cover offers the single runner.

17. the diaphragm pump as described in claim 15 or 16, which is characterized in that the runner is formed in the side of the pump cover Opening, the diaphragm mechanism includes plug, and the plug is arranged in the runner and blocks the opening.

18. diaphragm pump as described in claim 1, which is characterized in that the valve deck offers valve cover cavity, and the valve cover cavity is equipped with Valve deck flow channel and valve deck flow pass, the check valve include the first check valve and second one-way valve, and described first is unidirectional Valve is used to control the opening and closing of the valve deck flow channel, and the second one-way valve is for controlling the valve deck flow pass Opening and closing, the one-way valve mechanism be configured to first check valve open the valve deck flow channel when, institute It states second one-way valve and closes the valve deck flow pass, it is described when the second one-way valve opens the valve deck flow pass Valve deck flow channel described in first closed check valve.

19. diaphragm pump as claimed in claim 18, which is characterized in that first check valve and the second one-way valve it is every A check valve includes valve seat, the spool being mounted on the valve seat and the elastic component with spool cooperation；

First check valve and the spool installation direction of the second one-way valve are opposite.

20. diaphragm pump as claimed in claim 19, which is characterized in that the valve seat of first check valve is located at the pump housing machine Structure, the valve seat of the second one-way valve are located at the valve cover cavity.

21. a kind of agricultural unmanned plane, which is characterized in that liquid reserve tank, spray assembly and right including fuselage, for storing medical fluid It is required that the described in any item diaphragm pumps of 1-20, the diaphragm pump is connected to the liquid reserve tank and the spray assembly, institute by pipeline Diaphragm pump is stated for the liquid pump of the liquid reserve tank to be drawn the spray assembly.