CN218934757U

CN218934757U - Methanol pump integrating pressure control

Info

Publication number: CN218934757U
Application number: CN202320028147.6U
Authority: CN
Inventors: 张树然; 黄国尧; 何建洪
Original assignee: Wenzhou Achr Electromechanical Co ltd
Current assignee: Wenzhou Achr Electromechanical Co ltd
Priority date: 2023-01-03
Filing date: 2023-01-03
Publication date: 2023-04-28
Anticipated expiration: 2033-01-03

Abstract

The utility model relates to a technical field of methanol pump discloses an integrated pressure control's methanol pump, which comprises a pump body, inlet channel and drain channel have been seted up on the pump body, inlet channel and drain channel communicate each other, be equipped with connecting tube on the pump body, connecting tube communicates each other with the drain channel, set up the standing groove that supplies the pressure valve embedding on the pump body, standing groove communicates each other with connecting tube, and this application is through installing the pressure valve in the pump body, reduces pump body and pressure valve and occupy a space jointly for the suitability of methanol pump increases.

Description

Methanol pump integrating pressure control

Technical Field

The application relates to the technical field of methanol pumps, in particular to a methanol pump with integrated pressure control.

Background

The methanol pump is a novel pump for realizing contactless transmission of torque by utilizing magnetic force transmission of a permanent magnet, can be used for conveying substances such as methanol, acid, alkali and the like, and is usually used together with a pressure valve, wherein the pressure valve is used for controlling the pressure of liquid flow, so that the damage to the methanol pump caused by overlarge liquid pressure in the methanol pump is reduced.

The methanol pump comprises a pump body and a valve body, wherein the pump body is provided with a rotor assembly and a stator assembly, the rotor assembly comprises a rotating rod, a rotating blade and a flow pipeline, the rotating blade is sleeved on the rotating rod and positioned in the flow pipeline, a liquid inlet channel communicated with the flow pipeline and a liquid outlet channel communicated with the flow pipeline are arranged on the pump body, the stator assembly is used for driving the rotating rod to rotate, the valve body is provided with the flow pipeline and a liquid return pipeline, the flow pipeline comprises a fixing piece, an outflow pipeline and a pressure pipeline, the outflow pipeline is mutually communicated with the liquid outlet channel, a through hole for communicating the outflow pipeline is formed in the fixing piece, a perforation for communicating the pressure pipeline is formed in the hole wall of the through hole, the pressure pipeline is communicated with the valve body, and one end of the valve body, far away from the pressure pipeline, is communicated with the liquid return pipeline.

Because the liquid outlet channel and the flow pipeline are connected to require space, the required field is larger when the methanol pump is used, so that the methanol pump cannot be used in a smaller field, the application range of the methanol pump is reduced, and the applicability of the methanol pump is poorer.

Disclosure of Invention

In order to solve the problem of poor applicability of the methanol pump, the application provides a pressure valve.

The application provides a pressure valve adopts following technical scheme:

the utility model provides an integrated pressure control's methanol pump, includes the pump body, inlet channel and drain channel have been seted up on the pump body, inlet channel and drain channel communicate each other, be equipped with connecting tube on the pump body, connecting tube and drain channel communicate each other, set up the standing groove that supplies the pressure valve embedding on the pump body, standing groove and connecting tube communicate each other.

Through adopting above-mentioned technical scheme, install in the standing groove through the pressure valve for the pressure valve can be located the pump body, lets the pressure valve and the pump body share a space, makes the pressure valve need not occupy a place alone, thereby lets the place that the methanol pump needs to occupy reduce, makes the application range of methanol pump increase, and then lets the suitability of methanol pump increase.

Optionally, be equipped with the pressure valve in the standing groove, be equipped with the mounting on the terminal surface of pressure valve, the pressure valve passes through the mounting and is fixed with the pump body each other, be equipped with the return line on the pressure valve, be equipped with spacing subassembly on the return line, the pressure valve passes through spacing subassembly and fixes in the pump body.

Through adopting above-mentioned technical scheme, set up in the standing groove through the pressure valve, add the mounting and fix the pump body to letting out the liquid passageway and communicate with the pressure valve, return conduit and pressure valve communicate each other simultaneously, make liquid can flow back through return conduit, reduce the liquid pressure in the liquid passageway, make the pressure valve can adjust the liquid pressure in the liquid passageway.

Optionally, the mounting includes solid fixed ring and snap ring, offer the perforation that supplies connecting tube to pass on the terminal surface of pressure valve, gu fixed ring cover is located on the terminal surface of connecting tube, gu fixed ring's outer periphery is laminated mutually with fenestrate inner periphery, the snap ring sets up on gu fixed ring's outer periphery and snap ring is located the pressure valve.

Through adopting above-mentioned technical scheme, locate outside the solid fixed ring through the snap ring cover, the external diameter of solid fixed ring is the same with fenestrate internal diameter in addition for the external diameter of snap ring is greater than fenestrate internal diameter, thereby lets the snap ring be difficult for passing the perforation, makes connecting tube can be connected with solid fixed ring, makes connecting tube be difficult for breaking away from the perforation.

Optionally, the caulking groove has been seted up on the cell wall of standing groove, be equipped with first sealing washer in the caulking groove, when the pressure valve is installed in the standing groove, the surface of first sealing washer butt pressure valve.

Through adopting above-mentioned technical scheme, set up in the caulking groove through first sealing washer, when the pressure valve is installed in the standing groove, let the internal surface laminating pressure valve's of first sealing washer surface for the interval between pressure valve and the standing groove cell wall reduces, thereby lets the pressure valve seal with between the standing groove cell wall, reduces the possibility that liquid in the connecting tube flows out from the standing groove.

Optionally, spacing subassembly includes stopper and locating part, the stopper sets up on the terminal surface of return line orientation pressure valve, offer the holding tank that supplies the pump body embedding on the terminal surface of stopper, the stopper passes through locating part and the pump body is fixed each other.

Through adopting above-mentioned technical scheme, through the pump body embedding holding tank in, the locating part is fixed stopper and the pump body simultaneously to let the return conduit can fix on the pressure valve, make the return conduit be difficult for breaking away from the pressure valve.

Optionally, the locating part includes the bolt, set up the through-hole that supplies the bolt to pass on the stopper, set up the mounting groove that supplies the bolt to pass on the pump body, the cell wall and the bolt threaded connection of mounting groove.

Through adopting above-mentioned technical scheme, pass through the through-hole and imbed the mounting groove through the bolt in, in addition bolt and mounting groove's cell wall threaded connection for the bolt is difficult for breaking away from in the mounting groove, thereby lets the stopper be difficult for breaking away from between bolt and the pump body, makes the connection between stopper and the pump body more stable.

Optionally, the storage tank has been seted up on the surface of the pump body, be equipped with the second sealing washer on the cell wall of storage tank, when the stopper is installed on the pump body, the cell wall of second sealing washer laminating storage tank.

Through adopting above-mentioned technical scheme, set up on the surface of the pump body through the second sealing washer, the cell wall of holding tank is laminated to the surface of second sealing washer simultaneously for the clearance between holding tank and the pump body reduces, thereby lets the air be difficult for from holding the cell wall in groove more entering the backflow channel between the pump body, strengthens the degree of sealing between stopper and the pump body.

Optionally, the limiting part comprises an external thread, the external thread is arranged on the groove wall of the accommodating groove, and an internal thread matched with the external thread is arranged on the outer surface of the pump body.

Through adopting above-mentioned technical scheme, mutually supporting through external screw thread and internal screw thread for the cell wall of holding tank can carry out threaded connection with the pump body, thereby lets the stopper be difficult for breaking away from the pump body, reduces the emergence of backflow pipeline and the unstable condition of pressure valve connection.

In summary, the present application includes at least one of the following beneficial technical effects:

1. install in the standing groove through the pressure valve for the pressure valve can be installed in the pump body, lets the pressure valve and the same space of pump body sharing, reduces the place that the methanol pump needs to occupy, makes the application range of methanol pump increase, thereby lets the suitability of methanol pump increase.

2. The outer diameter of the fixed ring is the same as the inner diameter of the perforation through the clamping ring sleeved outside the fixed ring, so that the clamping ring is not easy to separate from the perforation, the connecting pipeline is not easy to separate from the perforation, and the connecting pipeline and the pressure valve can be stably connected.

Drawings

Fig. 1 is a schematic structural view of embodiment 1;

FIG. 2 is a cross-sectional view showing the connecting pipe in example 1;

FIG. 3 is a partial cross-sectional view of the highlighting pressure valve in example 1;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

fig. 5 is a partial cross-sectional view of the bump stopper in example 2.

Reference numerals: 1. a pump body; 11. a liquid inlet channel; 12. a liquid outlet channel; 13. a connecting pipe; 14. a placement groove; 141. a caulking groove; 15. a first seal ring; 16. a mounting groove; 17. a receiving groove; 18. a second seal ring; 2. a pressure valve; 21. a return line; 22. perforating; 3. a fixing member; 31. a fixing ring; 32. a clasp; 4. a limit component; 41. a limiting block; 411. a receiving groove; 412. a through hole; 42. a limiting piece; 421. a bolt; 43. an external thread; 44. and (5) an internal thread.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

Example 1

The embodiment discloses a methanol pump with integrated pressure control. Referring to fig. 1, an integrated pressure controlled methanol pump includes a pump body 1.

Referring to fig. 2, a liquid inlet channel 11, a liquid outlet channel 12 communicated with the liquid following channel 11 and a connecting pipeline 13 are formed in the pump body 1, the connecting pipeline 13 is communicated with the liquid following channel 11, and the connecting pipe 13 is communicated with the liquid outlet channel 12.

Referring to fig. 2 and 3, a placement groove 14 communicating with a connecting pipe 13 is provided on an end surface of the pump body 1, and a pressure valve 2 is provided in the placement groove 14. The end face of the pressure valve 2 facing the bottom wall of the placing groove 14 is provided with a perforation 22 for the connecting pipeline 13 to pass through.

Referring to fig. 3 and 4, the end surface of the pressure valve 2 facing the bottom wall of the placement groove 14 is provided with a fixing member 3, and the fixing member 3 is used for fixing the liquid outlet channel 12 with the pressure valve 2. The fixing member 3 includes a fixing ring 31 and a snap ring 32. The fixing ring 31 is sleeved on the outer circumferential surface of the connecting pipeline 13, and the outer circumferential surface of the fixing ring 31 is mutually attached to the inner circumferential surface of the perforation 22, namely, the outer diameter of the fixing ring 31 is the same as the inner diameter of the perforation 22. The snap ring 32 is integrally formed on the outer circumferential surface of the fixed ring 31, and the end surface of the snap ring 32 is coplanar with the end surface of the fixed ring 31, and the snap ring 32 is located at one side of the through hole 22 away from the bottom wall of the placement groove 14.

Referring to fig. 4, the groove wall of the placement groove 14 is provided with a caulking groove 141, and the caulking groove 141 extends in the circumferential direction of the pressure valve 2. The first sealing ring 15 is fixedly connected to the groove wall of the caulking groove 141. When the pressure valve 2 is mounted in the placement groove 14, the inner circumferential surface of the first seal ring 15 abuts the outer surface of the pressure valve 2.

Referring to fig. 3 and 4, the pressure valve 2 is provided with a return pipe 21, and the return pipe 21 is provided with a limiting assembly 4, and the limiting assembly 4 is used for fixing the pressure valve 2 in the pump body 1. The limiting assembly 4 comprises a limiting block 41 and a limiting piece 42, and the limiting piece 42 comprises a bolt 421. The limiting block 41 is fixedly connected to the end face, facing the pump body 1, of the backflow pipeline 21, and the end face, facing the pressure valve 2, of the limiting block 41 is provided with a containing groove 411, and the containing groove 411 is used for embedding the pump body 1.

Referring to fig. 4, a through hole 412 is formed in an end face of the stopper 41 facing the pump body 1, a mounting groove 16 is formed in the pump body 1, and both a groove wall of the through hole 412 and a groove wall of the mounting groove 16 can be screwed with a bolt 421. The outer surface of the pump body 1 is provided with a containing groove 17, and the containing groove 17 extends along the circumferential direction of the pressure valve 2. The second sealing ring 18 is fixedly connected to the groove wall of the accommodating groove 17, and when the pump body 1 is embedded into the accommodating groove 411, the outer circumferential surface of the second sealing ring 18 is attached to the groove wall of the accommodating groove 411.

The implementation principle of the embodiment 1 is as follows: the liquid outlet channel 12 is connected with the connecting pipeline 13, and the valve body is arranged in the placing groove 14, so that liquid sequentially passes through the liquid inlet channel 11, the liquid outlet channel 12 and the connecting pipeline 13, and then the pressure valve 2 enables the liquid to flow to the backflow pipeline 21 or the liquid to continuously flow to the liquid outlet channel 12 according to the liquid pressure.

Example 2

Referring to fig. 5, the present embodiment is different from embodiment 1 in that the stopper 42 includes an external thread 43, the external thread 43 is provided on the groove wall of the accommodation groove 411, an internal thread 44 is provided on the outer surface of the pump body 1, and the internal thread 44 surrounds along the circumferential direction of the pressure valve 2. When the pump body 1 is inserted into the receiving groove 411, the male screw 43 and the female screw 44 are engaged with each other.

The implementation principle of the embodiment 2 is as follows: the stopper 41 can be fixed to the pump body 1 by the mutual engagement of the external screw thread 43 and the internal screw thread 44.

The foregoing description of the preferred embodiments of the present application is not intended to limit the utility model, but is intended to cover any modifications, equivalents, improvements, etc. that fall within the spirit and scope of the present application.

Claims

1. The utility model provides an integrated pressure control's methanol pump, includes pump body (1), inlet channel (11) and drain channel (12) have been seted up on pump body (1), inlet channel (11) and drain channel (12) communicate each other, its characterized in that: the pump body (1) is provided with a connecting pipeline (13), the connecting pipeline (13) is communicated with the liquid outlet channel (12), the pump body (1) is provided with a placing groove (14) for embedding the pressure valve (2), and the placing groove (14) is communicated with the connecting pipeline (13).

2. An integrated pressure controlled methanol pump as in claim 1 wherein: be equipped with pressure valve (2) in standing groove (14), be equipped with mounting (3) on the terminal surface of pressure valve (2), pressure valve (2) are fixed each other with pump body (1) through mounting (3), be equipped with return line (21) on pressure valve (2), be equipped with spacing subassembly (4) on return line (21), pressure valve (2) are fixed in pump body (1) through spacing subassembly (4).

3. An integrated pressure controlled methanol pump as in claim 2 wherein: the fixing piece (3) comprises a fixing ring (31) and a clamping ring (32), a through hole (22) for a connecting pipeline (13) to pass through is formed in the end face of the pressure valve (2), the fixing ring (31) is sleeved on the end face of the connecting pipeline (13), the outer circumferential face of the fixing ring (31) is attached to the inner circumferential face of the through hole (22), and the clamping ring (32) is arranged on the outer circumferential face of the fixing ring (31) and is located in the pressure valve (2).

4. An integrated pressure controlled methanol pump as in claim 2 wherein: the groove wall of the placing groove (14) is provided with a caulking groove (141), a first sealing ring (15) is arranged in the caulking groove (141), and when the pressure valve (2) is installed in the placing groove (14), the first sealing ring (15) is abutted to the outer surface of the pressure valve (2).

5. An integrated pressure controlled methanol pump as in claim 2 wherein: the limiting component (4) comprises a limiting block (41) and a limiting piece (42), the limiting block (41) is arranged on the end face, facing the pressure valve (2), of the backflow pipeline (21), an accommodating groove (411) for embedding the pump body (1) is formed in the end face of the limiting block (41), and the limiting block (41) is mutually fixed with the pump body (1) through the limiting piece (42).

6. An integrated pressure controlled methanol pump as in claim 5 wherein: the limiting piece (42) comprises a bolt (421), a through hole (412) for the bolt (421) to pass through is formed in the limiting piece (41), a mounting groove (16) for the bolt (421) to pass through is formed in the pump body (1), and the groove wall of the mounting groove (16) is in threaded connection with the bolt (421).

7. An integrated pressure controlled methanol pump as in claim 5 wherein: the outer surface of the pump body (1) is provided with a containing groove (17), the groove wall of the containing groove (17) is provided with a second sealing ring (18), and when the limiting block (41) is installed on the pump body (1), the second sealing ring (18) is attached to the groove wall of the containing groove (411).

8. An integrated pressure controlled methanol pump as in claim 5 wherein: the limiting part (42) comprises an external thread (43), the external thread (43) is arranged on the groove wall of the accommodating groove (411), and an internal thread (44) matched with the external thread (43) is arranged on the outer surface of the pump body (1).