CN220319743U - Magnetic drive plunger pump - Google Patents

Abstract

The utility model discloses a magnetic force driving plunger pump, comprising: the plunger pump body comprises a power mechanism, a magnetic connection mechanism and a plunger pump body, wherein the plunger pump body comprises a pump head, a pump body and a pump seat, the pump seat is arranged on an installation seat, the pump body is arranged on the left side of the pump seat, the pump head is arranged at the left end of the pump body, the power mechanism is connected with the pump seat through the magnetic connection mechanism and drives a reciprocating shaft in the pump body to reciprocate. The utility model provides a magnetic force driving plunger pump, when a power mechanism is started, the power mechanism can drive a reciprocating shaft in a pump body to reciprocate, so that the reciprocating shaft can reciprocate in the plunger pump body, and a pump head in the plunger pump body can carry out conveying operation. The power mechanism can drive the plunger pump body through the magnetic connection mechanism, effectively solves the leakage fault caused by abrasion, realizes the matched use with the reciprocating plunger pump, efficiently conveys fluid without pollution, and greatly improves the working efficiency.

Description

Magnetic drive plunger pump

Technical Field

The utility model relates to the technical field of plunger pumps, in particular to a magnetic drive plunger pump.

Background

Plunger pumps are an important device of hydraulic systems. The power source relies on the plunger to reciprocate in the cylinder body to change the volume of the sealed working cavity so as to realize fluid delivery. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like. The magnetic drive is a special one in the coupling, it is to change the dynamic seal of the axle and organism into the static seal of the spacer bush and organism, under the condition without mechanical contact, transmit the motion form of the driving part, power to the driven part through the magnetic coupling, it has solved the leakage problem in the conveying process, have been used extensively in industries such as petroleum, chemical industry, papermaking, galvanization, etc..

The traditional plunger pump is multipurpose in contact type dynamic seal and mechanical driving, is complex in structure, can cause serious abrasion and impact vibration to other mechanical parts, and is easy to cause faults such as leakage. The magnetic force drive can buffer and absorb shock, so that leakage faults caused by abrasion are effectively solved, but the existing magnetic force drive is in a rotary motion transmission power and motion form and cannot be matched with the reciprocating plunger pump. Accordingly, there is a need for a magnetically driven plunger pump that can reciprocate to at least partially address the problems of the prior art.

Disclosure of Invention

In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the utility model is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

To at least partially solve the above problems, the present utility model provides a magnetically driven plunger pump comprising: the plunger pump body comprises a power mechanism, a magnetic force connecting mechanism and a plunger pump body, wherein the plunger pump body comprises a pump head, a pump body and a pump seat, the pump seat is arranged on an installation seat, the pump body is arranged on the left side of the pump seat, the pump head is arranged at the left end of the pump body, and the power mechanism is connected with the pump seat through the magnetic force connecting mechanism and drives a reciprocating shaft in the pump body to reciprocate.

According to the magnetic driving plunger pump provided by the embodiment of the utility model, the magnetic connecting mechanism comprises a magnetic driving body and a magnetic driven body, wherein the magnetic driving body is connected with the power mechanism, and the magnetic driven body is arranged at the right end of the reciprocating shaft and is positioned in the magnetic driving body.

According to the magnetic driving plunger pump provided by the embodiment of the utility model, the left end of the inner cavity of the magnetic driving body is provided with the first magnetic pole, and the right end of the magnetic driven body is provided with the second magnetic pole.

According to the magnetic driving plunger pump provided by the embodiment of the utility model, the magnetic connecting mechanism further comprises a sealing cover, and the sealing cover is arranged on the magnetic driven body and extends into the magnetic driving body.

According to the magnetic drive plunger pump provided by the embodiment of the utility model, the pump head is internally provided with the first fluid channel and the second fluid channel, the fluid channel is communicated with the cavity in the pump body, the first fluid channel is provided with the fluid inlet seat, the second fluid channel is internally provided with the small ball reflux seat, and the second fluid channel is communicated with the pump seat through the fluid channel pipe.

According to the magnetic force driving plunger pump provided by the embodiment of the utility model, the small ball is arranged in the small ball backflow seat, the fluid inlet seat is internally provided with the inner flow channel cavity, the inner flow channel cavity is communicated with the first fluid channel, and the inner flow channel cavity is internally provided with the large ball.

According to the magnetic force driving plunger pump provided by the embodiment of the utility model, the pump seat is provided with the fluid outlet, the bottom of the fluid outlet is provided with the third fluid channel communicated with the cavity, the right side of the pump seat is provided with the sealing device disc, and the sealing device disc is sleeved on the reciprocating shaft.

According to the magnetic force driving plunger pump provided by the embodiment of the utility model, the left end of the reciprocating shaft is provided with the sealing seat.

According to the magnetic force driving plunger pump provided by the embodiment of the utility model, the sealing plug seat is internally provided with the fixing hole, the sealing plug seat is provided with the two inner sealing rings and is connected with the left end of the reciprocating shaft through the fixing screw rod, and the fixing screw rod passes through the fixing hole and is screwed into the left screw hole of the reciprocating shaft.

According to the magnetic force driving plunger pump provided by the embodiment of the utility model, the power mechanism comprises a power source and an input shaft, wherein the power source is fixedly arranged on the mounting seat, and the input shaft is fixedly connected with the magnetic force connecting mechanism.

Compared with the prior art, the utility model at least comprises the following beneficial effects:

the utility model provides a magnetic force driving plunger pump, which comprises a plunger pump main body, wherein the plunger pump main body comprises a power mechanism, a magnetic force connecting mechanism and a plunger pump body, the plunger pump body comprises a pump head, a pump body and a pump seat, the pump seat is arranged on an installation seat, the pump body is arranged on the left side of the pump seat, the pump head is arranged at the left end of the pump body, and the power mechanism is positioned on the right side of the pump seat and is connected with the pump seat through the magnetic force connecting mechanism, so that after the power mechanism is started, the power mechanism can drive a reciprocating shaft in the pump body to reciprocate, and the reciprocating movement of the reciprocating shaft in the plunger pump body is realized, so that the pump head in the plunger pump body can carry out conveying operation. Through the design of above-mentioned structure for this power unit can drive the plunger pump body through magnetic force coupling mechanism, and this magnetic force coupling mechanism can cushion and inhale the shake, effectively solves the trouble of revealing that causes because of wearing and tearing, and realize using with reciprocating type plunger pump cooperation, improved work efficiency greatly.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of the internal structure of the pump head according to the present utility model.

Fig. 3 is a schematic structural view of a pump base in the present utility model.

Detailed Description

The present utility model is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the utility model by referring to the description.

It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1 to 3, the present utility model provides a magnetically driven plunger pump comprising: the plunger pump body 100, the plunger pump body 100 includes a power mechanism 10, a magnetic force connection mechanism 20, and a plunger pump body 30, wherein, the plunger pump body 30 includes a pump head 40, a pump body 50, and a pump seat 60, the pump seat 60 is mounted on the mounting seat 13, the pump body 50 is mounted on the left side of the pump seat 60, the pump head 40 is mounted on the left end of the pump body 50, and the power mechanism 10 is positioned on the right side of the pump seat 60 and is connected with the pump seat 60 through the magnetic force connection mechanism 20, so that when the power mechanism 10 is started, the power mechanism 10 can drive the reciprocating shaft 48 in the pump body 50 to reciprocate, thereby realizing the reciprocating movement of the reciprocating shaft 48 in the plunger pump body 30, and the pump head 40 in the plunger pump body 30 can perform the conveying operation. Through the design of above-mentioned structure for this power unit 10 can drive the plunger pump body 30 through magnetic force coupling mechanism 20, and this magnetic force coupling mechanism 20 can cushion and inhale the shake, effectively solves the trouble of revealing that causes because of wearing and tearing, and realize using with reciprocating type plunger pump cooperation, high-efficient, pollution-free ground transport fluid has improved work efficiency greatly.

Exemplary Power mechanism

Further, in some embodiments of the present utility model, a specific structure of the power mechanism 10 is provided, where the power mechanism 10 includes a power source 11 and an input shaft 12, where the power source 11 is fixedly installed on an installation seat 13, where the power source 11 may be configured as an electric push rod, the power source 11 has the input shaft 12, and the input shaft 12 is fixedly connected with the magnetic connection mechanism 20, so that after the power source 11 is started, the power source 11 drives the input shaft 12 to reciprocate, and then drives the reciprocating shaft 48 in the plunger pump body 30 to reciprocate. The power mechanism 10 provides reciprocating power for the plunger pump body 30, and can efficiently convey fluid.

Exemplary magnetic force coupling mechanism

Further, the magnetic force connection mechanism 20 includes a magnetic force driving body 21 and a magnetic force driven body 25, the magnetic force driving body 21 is connected with the power mechanism 10, and the magnetic force driven body 25 is installed at the right end of the reciprocating shaft 48 and is located inside the magnetic force driving body 21. Therefore, when the power mechanism 10 provides reciprocating power, the magnetic driving body 21 in the magnetic connection mechanism 20 drives the magnetic driven body 25 to move through magnetic force, and the magnetic driven body 25 drives the reciprocating shaft 48 to move synchronously, so that the reciprocating shaft 48 provides power for conveying fluid to the pump head 40 in the plunger pump body 30. The magnetic force connecting mechanism 20 can buffer and absorb shock, effectively solves leakage faults caused by abrasion, realizes the matched use with the reciprocating plunger pump, efficiently conveys fluid without pollution, and greatly improves the working efficiency.

Further, here, a first magnetic pole 22 is installed at the left end of the inner cavity of the magnetic driving body 21, and a second magnetic pole 26 is installed at the right end of the magnetic driven body 25. Through the magnetic coupling action between the first magnetic pole 22 and the second magnetic pole 26, the magnetic driving body 21 can drive the magnetic driven body 25 to reciprocate, and the magnetic driving body and the magnetic driven body are not in direct contact, so that the buffer shock absorption action is realized.

Further, the magnetic connection mechanism 20 further includes a sealing cover 23, where the sealing cover 23 is covered on the magnetic driven body 25 and extends into the magnetic driving body 21, the magnetic driving body 21 and the magnetic driven body 25 are separated by the sealing cover 23, and the magnetic driving body 21 drives the magnetic driven body 25 to reciprocate under the action of the first magnetic pole 22 and the second magnetic pole 26 through magnetic coupling. The magnetic connection mechanism 20 effectively solves leakage faults caused by abrasion, realizes the matched use with the reciprocating plunger pump, efficiently conveys fluid without pollution and greatly improves the working efficiency.

Exemplary Pump head

Further, in some embodiments of the present utility model, there is provided a specific structure of the pump head 40, where the pump head 40 has a first fluid channel 44 and a second fluid channel 42, and the fluid channel 44 communicates with a cavity 47 in the pump body 50, and the reciprocating shaft 48 is mounted in the cavity 47, further, a fluid inlet seat 46 is mounted on the first fluid channel 44, and a ball return seat 41 is mounted in the second fluid channel 42, and the ball return seat 41 has a ball 43 therein, and the second fluid channel 42 communicates with the pump seat 60 through a fluid channel tube 49.

When the power mechanism 10 drives the reciprocating shaft 48 to move rightward through the magnetic connection mechanism 20, the fluid inlet seat 46 is in an open state, and the ball return seat 41 is in a closed state, so that the first fluid channel 44, the fluid inlet seat 46 and the cavity 47 are in a penetrating state, and the fluid channel tube 49, the second fluid channel 42 and the first fluid channel 44 are in an isolated state;

the fluid stored in the cavity 47 in the previous reciprocation is pumped out of the pump seat 60, and the excessive fluid is stored back in the fluid channel tube 49;

when the reciprocating shaft 48 moves leftwards, the first fluid channel 44 is closed, the second fluid channel 42 is opened, the first fluid channel 44, the cavity 47 and the fluid inlet seat 46 are in an isolated state, and the first fluid channel 44, the second fluid channel 42, the fluid channel tube 49 and the pump seat 60 are communicated;

fluid stored in the cavity 47 during the previous reciprocation is pumped through the pump seat 60 via the first fluid channel 44, the second fluid channel 42 and the fluid channel tube 49, and a plurality of fluids are stored in the cavity 47.

Further, the ball 43 is installed in the ball return seat 41, and the opening and closing of the ball return seat 41 are efficiently realized by the up-and-down movement of the ball 43 in the ball return seat 41;

for example, when the reciprocating shaft 48 moves rightward, the ball 43 in the ball return seat 41 moves downward, and the ball return seat 41 is in a closed state; when the reciprocating shaft 48 moves leftwards, the small ball 43 in the small ball reflux seat 41 moves upwards, and the small ball reflux seat 41 is in an open state;

an inner flow channel cavity 461 is formed in the fluid inlet seat 46, the inner flow channel cavity 461 is communicated with the first fluid channel 44, and a big ball 45 is arranged in the inner flow channel cavity 461, and the big ball 45 moves up and down in the inner flow channel cavity 461, so that the opening and closing of the fluid inlet seat 46 are efficiently realized;

for example, when the reciprocating shaft 48 moves rightward, the large ball 45 in the fluid inlet seat 46 moves upward, and the fluid inlet seat 46 is in an open state; when the reciprocating shaft 48 moves leftwards, the large ball 45 in the fluid inlet seat 46 moves downwards, and the fluid inlet seat 46 is in a closed state, so that the fluid conveying process of the pump head 40 is realized.

Further, a fluid outlet 62 is formed in the pump seat 60, and a third fluid channel 63 communicating with the cavity 47 is formed in the bottom of the fluid outlet 62;

wherein, by the design of the above structure, when the reciprocating shaft 48 moves rightwards, the big ball 45 in the fluid inlet seat 46 moves upwards, the small ball 43 in the small ball return seat 41 moves downwards, the first fluid channel 44 is communicated with the fluid inlet seat 46 and the cavity 47, and the fluid channel tube 49, the second fluid channel 42 and the first fluid channel 44 are in an isolated state; the fluid that was previously reciprocated into the chamber 47 reaches the fluid outlet 62 through the third fluid passage 63 and is pumped out, and more fluid is returned to the fluid passage tube 49 through the third fluid passage 63.

When the reciprocating shaft 48 moves leftwards, the above-mentioned large ball 45 moves downwards, the small ball 43 moves upwards, the first fluid passage 44, the cavity 47 and the fluid inlet seat 46 are in an isolated state, and the first fluid passage 44, the second fluid passage 42, the fluid passage tube 49 and the fluid outlet 62 are communicated; the fluid stored in the chamber 47 during the previous reciprocation passes through the first fluid passage 44, the second fluid passage 42, the fluid passage tube 49 to the fluid outlet 62, and the fluid is pumped out and the excess fluid is stored in the chamber 47 through the third fluid passage 63.

When the reciprocating shaft 48 reciprocates, the corresponding fluid passages are alternately opened and closed, so that fluid can be delivered to the outside each time the reciprocating shaft 48 moves leftwards or rightwards.

Further, here, a plug seat 481 is installed at the left end of the reciprocating shaft 48, wherein a fixing hole 482 is formed in the plug seat 481, further, two inner sealing rings 483 are installed on the plug seat 481, the two inner sealing rings 483 are slidably connected with the cavity 47, and meanwhile, the plug seat 481 is connected with the left end of the reciprocating shaft 48 through a fixing screw 484, wherein the fixing screw 484 is screwed into a left screw hole 485 of the reciprocating shaft 48 through the fixing hole 482, so that the connection between the reciprocating shaft 48 and the plug seat 481 is realized, and fluid is pumped or pushed in the cavity 47 through the plug seat 481, thereby realizing pumping action and pumping action of the fluid by the pump head 40.

Further, here, a sealing device disc 61 is installed on the right side of the pump seat 60, a sealing groove body 601 is opened on the right side of the pump seat 60, the left end of the sealing device disc 61 is connected with the sealing groove body 601, and the sealing device disc 61 is sleeved on the reciprocating shaft 48, so that when the magnetic driven body 21 drives the magnetic driven body 25 to reciprocate through magnetic coupling under the action of the first magnetic pole 22 and the second magnetic pole 26, the magnetic driven body 25 also drives the reciprocating shaft 48 to reciprocate, the sealing cover 23 is installed on the sealing device disc 61, further, a sealing ring 24 is also installed between the sealing device disc 61 and the sealing cover 23, and the magnetic driven body 25 moves in the sealing cover 23, so that the leakage fault caused by abrasion is effectively solved by the magnetic connecting mechanism 20, the magnetic connecting mechanism is matched with the reciprocating plunger pump for use, fluid is efficiently and pollution-free, and the working efficiency is greatly improved.

In the description of the present utility model, it should 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", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims (10)

1. A magnetically driven plunger pump, comprising:

plunger pump main part (100), plunger pump main part (100) include power unit (10), magnetic force coupling mechanism (20), plunger pump body (30) are including pump head (40), pump body (50), pump seat (60) set up on mount pad (13), pump body (50) set up in the left side of pump seat (60), pump head (40) set up the left end at pump body (50), power unit (10) connect pump seat (60) through magnetic force coupling mechanism (20) to reciprocating motion is carried out to reciprocating shaft (48) in driving pump body (50).

2. A magnetically driven plunger pump according to claim 1, characterized in that the magnetic coupling mechanism (20) comprises a magnetic driving body (21) and a magnetic driven body (25), the magnetic driving body (21) is connected with the power mechanism (10), and the magnetic driven body (25) is arranged at the right end of the reciprocating shaft (48) and is positioned inside the magnetic driving body (21).

3. A magnetically driven plunger pump according to claim 2, characterized in that the inner cavity left end of the magnetic driving body (21) is provided with a first magnetic pole (22), and the right end of the magnetic driven body (25) is provided with a second magnetic pole (26).

4. A magnetically driven plunger pump according to claim 3, characterized in that the magnetic coupling means (20) further comprises a sealing cap (23), said sealing cap (23) being provided over the magnetic driven body (25) and extending into the magnetic driving body (21).

5. A magnetically driven plunger pump according to claim 1, characterized in that the pump head (40) has a first fluid channel (44) and a second fluid channel (42), the fluid channel (44) is in communication with a cavity (47) in the pump body (50), the first fluid channel (44) is provided with a fluid inlet seat (46), the second fluid channel (42) is provided with a pellet return seat (41), and the second fluid channel (42) is in communication with the pump seat (60) through a fluid channel tube (49).

6. The magnetically driven plunger pump according to claim 5, wherein a small ball (43) is provided in the small ball return seat (41), an inner flow passage chamber (461) is provided in the fluid inlet seat (46), the inner flow passage chamber (461) communicates with the first fluid passage (44), and a large ball (45) is provided in the inner flow passage chamber (461).

7. A magnetically driven plunger pump according to claim 2, characterized in that the pump seat (60) is provided with a fluid outlet (62), the bottom of the fluid outlet (62) is provided with a third fluid channel (63) communicating with the cavity (47), the right side of the pump seat (60) is provided with a sealing means disc (61), and the sealing means disc (61) is sleeved on the reciprocating shaft (48).

8. A magnetically driven plunger pump according to claim 1, characterized in that the left end of the reciprocating shaft (48) is provided with a sealing plug seat (481).

9. The magnetically driven plunger pump according to claim 8, wherein a fixing hole (482) is provided in the stopper seat (481), two inner sealing rings (483) are provided on the stopper seat (481) and are connected with the left end of the reciprocating shaft (48) through a fixing screw (484), and the fixing screw (484) is screwed into the left screw hole (485) of the reciprocating shaft (48) through the fixing hole (482).

10. The magnetically driven plunger pump according to claim 1, wherein the power mechanism (10) comprises a power source (11) and an input shaft (12), the power source (11) is fixedly arranged on the mounting seat (13), and the input shaft (12) is fixedly connected with the magnetic connection mechanism (20).