Electric diaphragm pump with lubricating device

Abstract

The utility model relates to the technical field of diaphragm pumps, and provides an electric diaphragm pump with a lubricating device, which comprises a pushing assembly for pushing a diaphragm to move back and forth, an oil baffle block is fixed on the pushing assembly, an oil inlet is arranged on the electric diaphragm pump, the oil inlet is communicated with an oil inlet channel, the oil baffle block is arranged at the bottom of the oil inlet channel, and the lubricating device is arranged on the oil inlet channel. And the oil inlet channel is opened or closed along with the back-and-forth movement of the pushing assembly. The electric diaphragm pump has the beneficial effects that the oil inlet and the oil inlet channel are arranged on the electric diaphragm pump and are blocked by the oil baffle block, the oil baffle block is fixed on the pushing assembly, and the oil baffle block circularly blocks and opens the oil inlet channel while moving back and forth along with the pushing assembly, so that a small amount of lubricating oil falls from the oil inlet channel every time the electric diaphragm pump moves back and forth; and the pushing assembly is lubricated, and the situation that in the process that the pushing assembly does work in a large-amount sliding mode, lubrication is insufficient, friction force is too large, and consequently components are damaged or operation is not in place is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of diaphragm pumps, and in particular to an electric diaphragm pump with a lubrication device. Background Art

[0002] The electric diaphragm pump is a new type of pump. Due to the breakthrough in the diaphragm material, it can be used in petrochemical, ceramic, metallurgical and other industries. Its characteristics are that it does not need to be filled with water and has strong self-priming ability. Since the transported medium and the transmission mechanical parts are directly separated, the medium will never leak out. In addition, the pump itself has no shaft liquid seal, which greatly extends its service life.

[0003] When the electric diaphragm pump is in use, the diaphragm is driven by various mechanical structures to make reciprocating motion. Therefore, no matter which structure is used, a large relative sliding work will be generated, so the lubrication of the diaphragm pump is very important. Utility Model Content

[0004] The utility model provides an electric diaphragm pump with a lubrication device, which enables the electric diaphragm pump to perform work and lubricate at the same time during operation, thereby reducing the wear of moving components and increasing the service life.

[0005] To this end, the present application provides an electric diaphragm pump with a lubrication device, and the technical solution adopted is as follows:

[0006] An electric diaphragm pump with a lubrication device includes a pushing component that pushes the diaphragm to move back and forth, an oil baffle is fixed on the pushing component, an oil inlet is opened on the electric diaphragm pump, the oil inlet is connected to an oil inlet channel, the oil baffle is located at the bottom of the oil inlet channel, and opens or closes the oil inlet channel as the pushing component moves back and forth.

[0007] A further technical solution is that the pushing assembly includes a pushing rod with one end fixed to the diaphragm, the other end of the pushing rod is connected to a pushing mechanism, the pushing mechanism includes a driving motor, and the driving motor drives the pushing rod to move back and forth through a worm gear and a worm gear.

[0008] A further technical solution is that the worm is fixed to the motor shaft of the driving motor, a transmission shaft is fixedly passed through the middle of the worm wheel, a push block is eccentrically fixed on the transmission shaft, and the push block is fixed to the push rod.

[0009] A further technical solution is that a slot is provided on the push rod, and the push block is located inside the slot and can slide up and down inside the slot.

[0010] A further technical solution is that the pushing rod is divided into a pushing part and a connecting part, the connecting part is connected to the pushing mechanism, there is a gap between the pushing part and the connecting part, there is an elastic member in the middle of the gap, and both ends of the elastic member are respectively fixed to the pushing part and the connecting part.

[0011] A further technical solution is that an adjusting device is fixed on the electric diaphragm pump, and the adjusting device includes a fixing rod and an adjusting piece. The fixing rod is fixed on the push rod perpendicular to the movement direction of the push rod, and the adjusting piece includes an adjusting rod and an adjusting block. The adjusting block is an elliptical structure whose side contacts the fixing rod. The adjusting rod is parallel to the fixing rod and one end is fixed at an eccentric position of the adjusting block. The other end of the adjusting rod passes through the outer casing of the electric diaphragm pump and is fixed with an adjusting knob.

[0012] A further technical solution is that a transmission hole for accommodating the movement of the transmission shaft is opened at the bottom of the slot.

[0013] The working principle and beneficial effects of this application are:

[0014] 1. An oil inlet and an oil inlet channel are set on the electric diaphragm pump and blocked by an oil block. The oil block is fixed on the pushing component. As the pushing component moves back and forth, it will cyclically block and open the oil inlet channel. Therefore, a small amount of lubricating oil will fall from the oil inlet channel every time it moves back and forth to lubricate the pushing component, so as to prevent the pushing component from sliding and doing a lot of work, resulting in insufficient lubrication and excessive friction, which may cause damage to components or improper operation.

[0015] 2. Lubrication is performed synchronously during the working process of the electric diaphragm pump, and there is no need to stop the machine to add lubricating oil, which improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1 This is a schematic diagram of the overall structure of this application;

[0018] Figure 2 A schematic diagram of the internal structure of this application (excluding part of the outer shell);

[0019] Figure 3 This is a schematic diagram of the structure of the diaphragm described in this application when it is pushed out (excluding part of the housing);

[0020] Figure 4 This is a schematic diagram of the structure of the worm wheel and the worm described in this application;

[0021] Figure 5 This is a schematic diagram of the structure of the transmission hole described in this application. DETAILED DESCRIPTION

[0022] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1-Figure 5 As shown, an electric diaphragm pump with a lubrication device includes a pushing component that pushes the diaphragm 100 to move back and forth, an oil baffle block 3 is fixed on the pushing component, an oil inlet 101 is opened on the electric diaphragm pump, and the oil inlet 101 is connected to an oil inlet channel 102. The oil baffle block 3 is located at the bottom of the oil inlet channel 102, and opens or closes the oil inlet channel 102 as the pushing component moves back and forth.

[0024] During the use of the electric diaphragm pump, the push component drives the diaphragm 100 to move back and forth, so that the volume of its working chamber changes alternately, thereby continuously sucking in and discharging the liquid. During this process, the oil baffle 3 fixed on the push component moves back and forth accordingly. The electric diaphragm pump is provided with an oil inlet 101 and an oil inlet channel 102, which are blocked by the oil baffle 3. Therefore, during the movement of the oil baffle 3, the oil inlet channel 102 is continuously blocked and opened in a cycle, so that a small amount of lubricating oil will fall from the oil inlet channel 102 every time it moves back and forth, lubricating the push component, and preventing the push component from sliding and doing a lot of work, and insufficient lubrication and excessive friction, causing damage to components or improper operation.

[0025] In use, in order to meet actual needs, the oil inlet channel 102 can be connected to an external lubricating oil container, or the volume of the oil inlet channel 102 can be enlarged to accommodate and store more lubricating oil. In this way, lubrication is performed synchronously during the working process of the electric diaphragm pump, and there is no need to stop the machine to add lubricating oil, thereby improving work efficiency.

[0026] like Figure 2 As shown, the pushing assembly includes a pushing rod 21 with one end fixed to the diaphragm 100, and the other end of the pushing rod 21 is connected to a pushing mechanism, and the pushing mechanism includes a driving motor 221, and the driving motor 221 drives the pushing rod 21 to move back and forth through a worm gear 223 and a worm 222. The worm 222 is fixed to the motor shaft of the driving motor 221, and a transmission shaft 224 is fixedly penetrated in the middle of the worm gear 223, and a pushing block 225 is eccentrically fixed on the transmission shaft 224, and the pushing block 225 is fixed to the pushing rod 21.

[0027] Therefore, during the operation of the pushing component, the driving motor 221 drives the worm wheel 223 and the worm 222 to transmit. During the rotation of the worm wheel 223, the transmission shaft 224 passing through the center thereof rotates accordingly. At the same time, the pushing block 225 eccentrically fixed on the transmission shaft 224 also rotates accordingly, and drives the pushing rod 21 to move back and forth. The use of the worm wheel 223 and the worm 222 for transmission makes the entire pushing component run more smoothly, with less vibration and impact, and can output continuously.

[0028] In addition, since the push block 225 will bring forces in other directions to the push rod 21 in addition to the reciprocating motion when it rotates, a slot 2121 is provided on the push rod 21, and the push block 225 is located inside the slot 2121 and can slide up and down inside the slot 2121, thus limiting the position of the push block 225 so that it can only provide the force for the reciprocating motion of the push rod 21. Figure 5 As shown, since the push block 225 can rotate relative to the transmission shaft 224, and the push block 225 is relatively fixed with respect to the movement direction of the slot 2121, a transmission hole 2120 is provided at the bottom of the slot 2121 to accommodate the movement of the transmission shaft 224, thereby facilitating the relative movement between the transmission shaft 224 and the slot 2121.

[0029] The push rod 21 is divided into a push portion 211 and a connection portion 212, wherein the connection portion 212 is connected to the push mechanism, the slot 2121 is provided on the connection portion 212, a gap is provided between the push portion 211 and the connection portion 212, an elastic member 213 is provided in the middle of the gap, and both ends of the elastic member 213 are respectively fixed to the push portion 211 and the connection portion 212. In this way, during the pushing process of the push rod 21, elastic buffering is increased, and the impact force during operation is further reduced.

[0030] In addition, in order to be able to adjust the suction force of the electric diaphragm pump, an adjusting device 4 is fixed above it, and the adjusting device 4 includes a fixing rod 41 and an adjusting member, and the fixing rod 41 is fixed on the push rod 21 perpendicular to the movement direction of the push rod 21, and the adjusting member includes an adjusting rod 42 and an adjusting block 43, and the adjusting block 43 is an elliptical structure whose side contacts the fixing rod 41, and the adjusting rod 42 is parallel to the fixing rod 41 and one end is fixed at an eccentric position of the adjusting block 43, and the other end of the adjusting rod 42 passes through the outer casing of the electric diaphragm pump and is fixed with an adjusting knob 44.

[0031] The function of the adjusting device 4 is to adjust the starting position and the end position of the push rod 21 by limiting the position of the fixing rod 41, because the fixing rod 41 and the push rod 21 are fixedly connected. The adjustment method is to rotate the adjustment block 43 by rotating the adjustment knob 44. Since the adjustment block 43 is an elliptical structure, its radius changes continuously with rotation, so that the distance between the fixing rod 41 and the adjusting rod 42 will change continuously, and the position of the adjusting rod 42 is fixed, that is, the position of the fixing rod 41 can be changed. Figure 3 As shown, when the fixing rod 41 is far away from the adjusting rod 42, the running distance of the pushing rod 21 is small, and the expansion and contraction degree of the diaphragm 100 is small. On the contrary, the expansion and contraction degree of the diaphragm 100 increases.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric diaphragm pump with a lubrication device, comprising a driving component for driving a diaphragm (100) to move back and forth, characterized in that: An oil baffle (3) is fixed on the pushing component, an oil inlet (101) is provided on the electric diaphragm pump, the oil inlet (101) is connected to an oil inlet channel (102), the oil baffle (3) is located at the bottom of the oil inlet channel (102), and opens or closes the oil inlet channel (102) as the pushing component moves back and forth.

2. The electric diaphragm pump with a lubrication device according to claim 1, characterized in that: The pushing assembly comprises a pushing rod (21) having one end fixed to the diaphragm (100), the other end of the pushing rod (21) being connected to a pushing mechanism, the pushing mechanism comprising a driving motor (221), the driving motor (221) driving the pushing rod (21) to reciprocate through a worm gear (223) and a worm (222).

3. The electric diaphragm pump with a lubrication device according to claim 2, characterized in that: The worm (222) is fixed to the motor shaft of the driving motor (221); a transmission shaft (224) is fixedly passed through the middle of the worm wheel (223); a push block (225) is eccentrically fixed on the transmission shaft (224); and the push block (225) is fixed to the push rod (21).

4. The electric diaphragm pump with a lubrication device according to claim 3, characterized in that: The push rod (21) is provided with a slot (2121), and the push block (225) is located inside the slot (2121) and is capable of sliding up and down inside the slot (2121).

5. The electric diaphragm pump with a lubrication device according to claim 2, characterized in that: The pushing rod (21) is divided into a pushing portion (211) and a connecting portion (212); the connecting portion (212) is connected to the pushing mechanism; a gap is provided between the pushing portion (211) and the connecting portion (212); an elastic member (213) is provided in the middle of the gap; two ends of the elastic member (213) are respectively fixed to the pushing portion (211) and the connecting portion (212).

6. The electric diaphragm pump with a lubrication device according to claim 2, characterized in that: An adjusting device (4) is fixed to the electric diaphragm pump. The adjusting device (4) comprises a fixing rod (41) and an adjusting member. The fixing rod (41) is fixed to the push rod (21) perpendicularly to the movement direction of the push rod (21). The adjusting member comprises an adjusting rod (42) and an adjusting block (43). The adjusting block (43) is an elliptical structure whose side contacts the fixing rod (41). The adjusting rod (42) is parallel to the fixing rod (41) and one end is fixed to an eccentric position of the adjusting block (43). The other end of the adjusting rod (42) passes through the housing of the electric diaphragm pump and is fixed with an adjusting knob (44).

7. The electric diaphragm pump with a lubrication device according to claim 4, characterized in that: A transmission hole (2120) for accommodating the movement of the transmission shaft (224) is provided at the bottom of the slot (2121).

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