CN212296802U

CN212296802U - Anti-impact water diaphragm pump

Info

Publication number: CN212296802U
Application number: CN202020659059.2U
Authority: CN
Inventors: 朱利平
Original assignee: Kunming Jizhong Machinery Manufacturing Co ltd
Current assignee: Kunming Jizhong Machinery Manufacturing Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2021-01-05
Anticipated expiration: 2030-04-27

Abstract

The utility model provides an impact-proof type water diaphragm pump, which belongs to the technical field of water diaphragm pumps and comprises a pump main body and a buffer pipeline, wherein the pump main body consists of a pump body, a liquid outlet pipeline, a fixed sheet, a diaphragm sheet, a cylinder, a guide rod, a transmission rod, a liquid passing cavity, a solid valve ball and a liquid inlet pipeline, the liquid outlet pipeline and the liquid inlet pipeline are respectively arranged at the upper side and the lower side of the pump body, both ends of the liquid outlet pipeline and the liquid inlet pipeline are communicated with both sides of the liquid passing cavity, overlarge vibration is generated between the liquid inlet pipeline and liquid outlet pipeline fluid, a limiting spring plays a supporting role for the main pipeline, the main pipeline generates expansion deformation due to the self-generated material characteristics, the expanded main pipeline drives a pressure relief device to move outwards, the inner surface of a pressure resistance layer can limit the movement of the pressure relief plate, and the pressure relief spring is further, the vibration in the pipeline is prevented from being further increased, and the phenomenon that the outlet of the liquid outlet pipeline bursts is avoided.

Description

Anti-impact water diaphragm pump

Technical Field

The utility model relates to a water diaphragm pump technical field particularly, relates to protecting against shock type water diaphragm pump.

Background

The water diaphragm pump, also called a control pump, is the main type of actuator, and is operated by power to change the flow of fluid by receiving a control signal output by a regulation control unit. The water diaphragm pump is used in the process control to receive the control signal of the regulator or the computer and change the flow rate of the regulated medium to maintain the regulated parameters in the required range, so as to reach the automation of the production process. It depends on the back and forth movement of a diaphragm to change the volume of the working chamber to suck and discharge liquid; the liquid inlet channel and the liquid outlet channel of the water diaphragm pump with the traditional structure can be under extremely strong pressure, so that a pipeline is caused to generate certain mechanical vibration, the liquid inlet channel and the liquid outlet channel are easily subjected to fatigue damage, leakage occurs, and hidden equipment hazards are caused.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above insufficiency, the utility model provides a protecting against shock type water diaphragm pump aims at improving the problem that water diaphragm pump inlet channel and liquid outlet channel damage and take place to leak.

The utility model discloses a realize like this:

an impact-proof water diaphragm pump comprises

The pump body, the pump body comprises the pump body, liquid outlet pipe, stationary blade, diaphragm, cylinder, guide bar, transfer line, cross sap cavity, solid valve ball and inlet liquid pipeline, the upper and lower both sides of the pump body are provided with respectively liquid outlet pipe with the inlet liquid pipeline, liquid outlet pipe with the both ends of inlet liquid pipeline all with the both sides of crossing the sap cavity are linked together, liquid outlet pipe with the intercommunication department of crossing the sap cavity with the intercommunication department of inlet liquid pipeline with cross the sap cavity all is provided with the solid valve ball, it is provided with the diaphragm to cross inside one side of sap cavity, the both sides of diaphragm are provided with the stationary blade, the one end of transfer line runs through the stationary blade with one side of diaphragm and extends to the stationary blade opposite side, and with the one end fixed connection of guide bar, the middle part of the pump body is provided with the cylinder, the other end of the guide rod penetrates through one side of the air cylinder and extends to the other side of the air cylinder,

the liquid outlet pipeline and the liquid inlet pipeline are both composed of an inner pipe, a rubber layer, a pressure-resistant layer, a damping layer, a sound insulation layer, a supporting layer, a buffer spring and a limiting spring, the rubber layer, the pressure-resistant layer, the damping layer, the sound insulation layer and the supporting layer are sequentially arranged on the outer surface of the inner pipe, the inner pipe and the rubber layer are combined to form a main pipeline, the pressure relief device is arranged on the main pipeline, the outer surface of the rubber layer is fixedly connected with one end of the limiting spring, the other end of the limiting spring is fixedly connected with the inner surface of the pressure-resistant layer, the outer surface of the damping layer is fixedly connected with one end of the buffer spring, and the other end of the buffer spring is fixedly connected with the inner;

buffer pipe way, buffer pipe way comprises first pipeline, first sealed ring flange, pipeline main body, damping plate, the sealed ring flange of second, the sealed ring flange of third, blow-down pipe and first pipeline, the one end of first pipeline is passed through the sealed ring flange of first dismantlement install in pipeline main body's one end, pipeline main body's axis department installs the sealed ring flange of second, the one end of second pipeline is passed through the sealed ring flange of third dismantlement install in pipeline main body's the other end, pipeline main body's internal surface welding has the damping plate, the one end of blow-down pipe weld in pipeline main body's top.

The utility model discloses an in one embodiment, pressure relief device comprises pressure relief board, pressure relief spring, connecting rod and backup pad, the bottom of pressure relief board with pressure relief spring's one end fixed connection, the top of backup pad with the one end welding of connecting rod, the other end of connecting rod passes pressure relief spring's the other end with pressure relief board's bottom fixed connection.

In an embodiment of the present invention, the bottom of the supporting plate is installed in the inner tube, the connecting rod passes through the inner tube, the rubber layer and the pressure relief spring and the pressure relief plate are connected, the pressure relief plate is located the pressure-resistant layer and in the space between the rubber layers, the other end of the pressure relief spring and the outer surface connection of the rubber layer.

In an embodiment of the present invention, the buffer pipe is disposed inside the liquid outlet pipe.

In an embodiment of the present invention, the damping plate is disposed in a staggered manner, and the through hole is disposed on one side of the damping plate.

In an embodiment of the present invention, the bottom of the pump body is fixedly installed with a base.

In an embodiment of the present invention, the damping layer is made of an ethylene propylene rubber material.

The utility model has the advantages that: the utility model discloses an impact-proof type water diaphragm pump that obtains through above-mentioned design, in operation, liquid inlet pipeline and liquid outlet pipeline connect the external pipeline, liquid flow direction liquid inlet pipeline, cooperate through cylinder and guide bar and carry out the side-to-side motion, drive diaphragm side-to-side motion, the piston motion of diaphragm cooperatees with hollow ball valve and causes to cross the liquid cavity and be the negative pressure state inflow liquid, or extrude the volume inside and cause the liquid flow to the buffer pipeline of liquid outlet pipeline, get into by first pipeline entry, block through the damping plate, force liquid to pass through along the through-hole of damping plate, arrive the damping plate liquid accumulation of last level and flow to the damping plate of next level from its through-hole after reaching the certain degree, every time the conveying liquid touches one-level damping plate, the vibration energy that it carried is offset partly by the damping plate, when reaching the last level, the vibration energy that the conveying liquid carried is offset to the pipeline and bears the within range, finally, the transported liquid flows out of the second pipeline and reciprocates, so that the transportation of the liquid is realized; and produce too big vibration at inlet conduit and outlet conduit fluid, spacing spring plays the effect that supports to the trunk line, and the trunk line takes place the bulging deformation because of its material characteristic of self-generating, and the expanded trunk line drives pressure relief device and moves to the outside, and the internal surface of resistance to pressure layer can carry on spacingly to the motion of pressure relief board, and pressure relief spring is further compressed, prevents the further increase of pipeline internal vibration, avoids appearing the phenomenon that the export of outlet conduit bursts.

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 schematic structural view of an impact-proof type water membrane pump according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a liquid inlet pipeline and a liquid outlet pipeline provided by an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

fig. 4 is a schematic structural diagram of a buffer pipeline according to an embodiment of the present invention.

In the figure: 1-pump body, 101-pump body, 102-liquid outlet pipeline, 103-fixing piece, 104-diaphragm piece, 105-cylinder, 106-guide rod, 107-transmission rod, 108-liquid passing cavity, 109-solid valve ball, 110-liquid inlet pipeline, 111-base, 201-inner pipe, 202-rubber layer, 203-pressure-resistant layer, 204-damping layer, 205-sound-insulating layer, 206-supporting layer, 207-buffer spring, 208-limit spring, 209-pressure-relief device, 2091-pressure-relief plate, 2092-pressure-relief spring, 2093-connecting rod, 2094-supporting plate, 3-buffer pipeline, 301-first pipeline, 302-first sealing flange plate, 303-pipeline body, 304-damping plate, 305-second sealing flange plate, 306-vent pipe, 307-second pipe, 308-third sealing flange.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

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 or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed 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 limited otherwise.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: the impact-proof water diaphragm pump comprises a pump body 1 and a buffer pipeline 3.

Referring to fig. 1-3, a pump body 1 is composed of a pump body 101, a liquid outlet pipe 102, a fixing plate 103, a diaphragm 104, a cylinder 105, a guide rod 106, a transmission rod 107, a liquid passing cavity 108, a solid valve ball 109 and a liquid inlet pipe 110, wherein the upper and lower sides of the pump body 101 are respectively provided with the liquid outlet pipe 102 and the liquid inlet pipe 110, both ends of the liquid outlet pipe 102 and the liquid inlet pipe 110 are communicated with both sides of the liquid passing cavity 108, the solid valve ball 109 is arranged at the communication position of the liquid outlet pipe 102 and the liquid passing cavity 108 and the communication position of the liquid inlet pipe 110 and the liquid passing cavity 108, the diaphragm 104 is arranged at one side of the liquid passing cavity 108, the fixing plates 103 are arranged at both sides of the diaphragm 104, one end of the transmission rod 107 penetrates through one sides of the fixing plate 103 and the diaphragm 104 and extends to the other side of the fixing plate 103 and is fixedly connected with one end of the guide rod 106, the cylinder 105 is arranged at the middle of the, wherein, the liquid outlet pipe 102 and the liquid inlet pipe 110 are composed of an inner pipe 201, a rubber layer 202, a pressure-resistant layer 203, a damping layer 204, a sound-insulating layer 205, a supporting layer 206, a buffer spring 207 and a limit spring 208, the outer surface of the inner pipe 201 is sequentially provided with the rubber layer 202, the pressure-resistant layer 203, the damping layer 204, the sound-insulating layer 205 and the supporting layer 206, the inner pipe 201 and the rubber layer 202 are combined to form a main pipe, the main pipe is provided with the pressure relief device 209, the outer surface of the rubber layer 202 is fixedly connected with one end of the limit spring 208, the other end of the limit spring 208 is fixedly connected with the inner surface of the pressure-resistant layer 203, the outer surface of the damping layer 204 is fixedly connected with one end of the buffer spring 207, the other end of the buffer spring 207 is fixedly connected with the inner surface of the sound-insulating layer 205, when the device works, the liquid inlet pipeline 110 and the liquid outlet pipeline 102 are connected with an external pipeline, liquid flows to the liquid inlet pipeline 110, the air cylinder 105 is matched with the guide rod 106 to move left and right to drive the diaphragm 104 to move left and right, the piston motion of the diaphragm 104 is matched with the hollow ball valve to cause the liquid passing cavity 108 to flow into the liquid in a negative pressure state, or the internal volume is extruded to cause the liquid to flow to the liquid outlet pipeline 102 and flow out of the liquid outlet pipeline 102, and the above motions are reciprocated, so that the liquid conveying is realized; because of the liquid produces great pressure and produces the vibration when liquid is carried in inlet pipe 110 and outlet pipe 102, the vibration makes inner tube 201 produce the deformation of inflation, impels pressure relief device 209 to move to the outside, and pressure resistance 203 is spacing to pressure relief device 209, reduces the influence of pipeline internal pressure and vibration.

Referring to fig. 4, the buffer pipeline 3 is composed of a first pipeline 301, a first sealing flange 302, a pipeline main body 303, a damping plate 304, a second sealing flange 305, a third sealing flange 308, a vent pipe 306 and the first pipeline 301, one end of the first pipeline 301 is detachably mounted at one end of the pipeline main body 303 through the first sealing flange 302, the second sealing flange 305 is mounted at the central axis of the pipeline main body 303, one end of the second pipeline 307 is detachably mounted at the other end of the pipeline main body 303 through the third sealing flange 308, the damping plate 304 is welded on the inner surface of the pipeline main body 303, the damping plate 304 is arranged in a staggered and crossed manner, a through hole is formed at one side of the damping plate 304, one end of the vent pipe 306 is welded at the top of the pipeline main body 303, liquid enters from the first pipeline 301 and flows into the interior of the pipeline main body 303, flows through the damping plate 304 at each stage, the damping plate 304 at the previous stage resists liquid accumulation to a certain degree and, thereby achieving cancellation of the vibrational energy generated by the liquid flow.

Referring to fig. 2-3, the pressure relief device 209 includes a pressure relief plate 2091, a pressure relief spring 2092, a connecting rod 2093 and a supporting plate 2094, the bottom of the pressure relief plate 2091 is fixedly connected to one end of the pressure relief spring 2092, the top of the supporting plate 2094 is welded to one end of the connecting rod 2093, the other end of the connecting rod 2093 passes through the other end of the pressure relief spring 2092 and is fixedly connected to the bottom of the pressure relief plate 2091, and the pressure relief plate 2091 is offset by the pressure-resistant layer 203 due to vibration, so that the pressure relief spring 2092 is compressed.

Referring to fig. 1-3, the bottom of the supporting plate 2094 is installed inside the inner tube 201, the connecting rod 2093 is connected to the pressure relief plate 2091 through the inner tube 201, the rubber layer 202 and the pressure relief spring 2092, the pressure relief plate 2091 is located in the gap between the pressure-resistant layer 203 and the rubber layer 202, and the other end of the pressure relief spring 2092 is connected to the outer surface of the rubber layer 202.

Referring to fig. 1, the buffer pipe 3 is disposed inside the liquid outlet pipe 102, so as to prevent the outlet of the liquid outlet pipe 102 from cracking, and prolong the service life of the liquid outlet pipe 102.

Referring to fig. 1, a base 111 is fixedly installed at the bottom of the pump body 1, and the water diaphragm pump generates vibration during operation, so that the base 111 can prevent the water diaphragm pump from contacting the ground, thereby preventing the water diaphragm pump from affecting the normal operation.

The working principle of the anti-impact water diaphragm pump is as follows: when the vibration energy damping device works, the liquid inlet pipeline 110 and the liquid outlet pipeline 102 are connected with an external pipeline, liquid flows to the liquid inlet pipeline 110, the liquid is matched with the guide rod 106 through the air cylinder 105 to move left and right to drive the diaphragm 104 to move left and right, the piston motion of the diaphragm 104 is matched with the hollow ball valve to cause the liquid passing cavity 108 to flow into liquid in a negative pressure state, or the internal volume is extruded to cause the liquid to flow into the buffer pipeline 3 of the liquid outlet pipeline 102, the liquid enters from the inlet of the first pipeline 301, is blocked by the damping plate 304 to force the liquid to pass through the through hole of the damping plate 304, reaches the damping plate 304 of the previous stage, accumulates to a certain degree, then flows to the damping plate 304 of the next stage from the through hole, when the conveying liquid touches the damping plate 304 of the first stage, the vibration energy carried by the damping plate 304 is offset to a part, when the last stage is reached, the, the finally conveyed liquid flows out of the second pipeline 307 and reciprocates, so that the liquid is conveyed; and produce too big vibration at inlet pipe 110 and outlet pipe 102 fluid, spacing spring 208 plays the effect of supporting to the trunk line, and the trunk line takes place the dilatational strain because of its material characteristic of autogenous, and the expanded trunk line drives pressure relief device 209 and moves to the outside, and the internal surface of withstand voltage layer 203 can be spacing to the motion of pressure relief board 2091, and pressure relief spring 2092 is further compressed, prevents that the inside vibration of pipeline from further increasing, avoids appearing the phenomenon that the export of outlet pipe 102 bursts.

The above description 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 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 impact-proof water diaphragm pump is characterized by comprising

Pump body (1), pump body (1) comprises pump body (101), liquid outlet pipe (102), stationary blade (103), diaphragm (104), cylinder (105), guide bar (106), transfer line (107), cross liquid chamber (108), solid valve ball (109) and inlet pipe way (110), the upper and lower both sides of pump body (101) are provided with respectively liquid outlet pipe way (102) with inlet pipe way (110), liquid outlet pipe way (102) with the both ends of inlet pipe way (110) all with cross the both sides of liquid chamber (108) and be linked together, liquid outlet pipe way (102) with cross the intercommunication department of liquid chamber (108) and the intercommunication department of inlet pipe way (110) with cross liquid chamber (108) and all be provided with solid valve ball (109), the inside one side of crossing liquid chamber (108) is provided with diaphragm (104), the both sides of diaphragm (104) are provided with stationary blade (103), one end of the transmission rod (107) penetrates through one sides of the fixing piece (103) and the diaphragm piece (104) and extends to the other side of the fixing piece (103), and is fixedly connected with one end of the guide rod (106), the air cylinder (105) is arranged in the middle of the pump body (101), the other end of the guide rod (106) penetrates through one side of the air cylinder (105) and extends to the other side of the air cylinder (105),

wherein the liquid outlet pipeline (102) and the liquid inlet pipeline (110) are both composed of an inner pipe (201), a rubber layer (202), a pressure-resistant layer (203), a damping layer (204), a sound insulation layer (205), a support layer (206), a buffer spring (207) and a limit spring (208), the rubber layer (202), the pressure-resistant layer (203), the damping layer (204), the sound insulation layer (205) and the support layer (206) are sequentially arranged on the outer surface of the inner pipe (201), the inner pipe (201) and the rubber layer (202) are combined to form a main pipeline, a pressure relief device (209) is arranged on the main pipeline, the outer surface of the rubber layer (202) is fixedly connected with one end of the limit spring (208), the other end of the limit spring (208) is fixedly connected with the inner surface of the pressure-resistant layer (203), and the outer surface of the damping layer (204) is fixedly connected with one end of the buffer spring (, the other end of the buffer spring (207) is fixedly connected with the inner surface of the sound insulation layer (205);

the buffer pipeline (3), the buffer pipeline (3) is composed of a first pipeline (301), a first sealing flange plate (302), a pipeline main body (303), a damping plate (304), a second sealing flange plate (305), a third sealing flange plate (308), a vent pipe (306), the first pipeline (301) and a second pipeline (307), one end of the first pipeline (301) is detachably arranged at one end of the pipeline main body (303) through the first sealing flange plate (302), the second sealing flange (305) is arranged on the central axis of the pipeline main body (303), one end of the second pipeline (307) is detachably arranged at the other end of the pipeline main body (303) through the third sealing flange plate (308), the damping plate (304) is welded on the inner surface of the pipeline main body (303), one end of the blow pipe (306) is welded to the top of the pipe body (303).

2. The impact-proof water diaphragm pump according to claim 1, wherein the pressure relief device (209) is composed of a pressure relief plate (2091), a pressure relief spring (2092), a connecting rod (2093) and a supporting plate (2094), the bottom of the pressure relief plate (2091) is fixedly connected with one end of the pressure relief spring (2092), the top of the supporting plate (2094) is welded with one end of the connecting rod (2093), and the other end of the connecting rod (2093) penetrates through the other end of the pressure relief spring (2092) to be fixedly connected with the bottom of the pressure relief plate (2091).

3. The impact-resistant water diaphragm pump according to claim 2, wherein the bottom of the support plate (2094) is mounted inside the inner tube (201), the connecting rod (2093) is connected to the pressure relief plate (2091) through the inner tube (201), the rubber layer (202) and the pressure relief spring (2092), the pressure relief plate (2091) is located in a gap between the pressure-resistant layer (203) and the rubber layer (202), and the other end of the pressure relief spring (2092) is connected to the outer surface of the rubber layer (202).

4. An impact-proof water diaphragm pump according to claim 1, characterized in that the buffer pipe (3) is arranged inside the liquid outlet pipe (102).

5. The impact-resistant water diaphragm pump according to claim 1, wherein the damping plates (304) are arranged in a staggered and crossed manner, and one side of each damping plate (304) is provided with a through hole.

6. An impact-proof water diaphragm pump according to claim 1, characterized in that a base (111) is fixedly mounted to the bottom of the pump body (1).

7. The impact-resistant water diaphragm pump according to claim 1, wherein the damping layer (204) is made of ethylene propylene rubber.