Mixed flow pump with easy-to-replace filter screen

Abstract

The utility model relates to the technical field of mixed flow pumps, specifically to a mixed flow pump with an easy-to-replace filter screen, comprising: a body, the top of the body being fixedly connected to the bottom of a driving device, the side wall of the body being fixedly connected to the inner wall of a connecting pipe, the connecting pipe being provided with a mounting mechanism for facilitating the replacement of the filter screen, the connecting pipe being provided with an adjusting mechanism, the mounting mechanism comprising: a fixing ring, the inner wall of the fixing ring being fixedly connected to the side portion of the connecting pipe, the side wall of the connecting pipe being provided with a fixing ring, the filter screen being arranged on the inner wall of the fixing ring, when the filter screen needs to be installed, the positioning block on the inner wall of the filter screen is fitted with the positioning plate, and then the plug-in block is embedded in the side wall through hole of the fixing ring, so that the limiter at the top of the plug-in block is embedded in the inner wall groove of the positioning block under the push of a reset spring to fix it, and when the filter screen needs to be disassembled, the toggle plate is pressed downward to reset and recycle the limiter.

Description

Technical Field

[0001] The utility model relates to the technical field of mixed flow pumps, in particular to a mixed flow pump with a filter screen that is easy to replace. Background Art

[0002] A mixed flow pump is a type of pump between a centrifugal pump and an axial flow pump. The specific speed of a mixed flow pump is higher than that of a centrifugal pump and lower than that of an axial flow pump, generally between 300 and 500. Its head is higher than that of an axial flow pump, but its flow rate is smaller than that of an axial flow pump and larger than that of a centrifugal pump.

[0003] At present, the inner wall filter screens of most mixed flow pumps on the market are generally fixed structures, which wastes a lot of time and reduces work efficiency when the filter screen needs to be disassembled and installed. In view of this, a mixed flow pump with an easy-to-replace filter screen is proposed. Utility Model Content

[0004] The utility model aims to provide a mixed flow pump with an easily replaceable filter screen, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A mixed flow pump with an easily replaceable filter screen comprises: a body, the top of the body being fixedly connected to the bottom of a driving device, the side wall of the body being fixedly connected to the inner wall of a connecting pipe, the connecting pipe being provided with a mounting mechanism for easily replacing the filter screen, the connecting pipe being provided with an adjusting mechanism, the mounting mechanism comprising:

[0007] A fixing ring, wherein the inner wall of the fixing ring is fixedly connected to the side of the connecting pipe, the inner wall of the fixing ring is fixedly connected to the inner wall of the positioning plate, the inner wall of the positioning plate is fitted with the side wall of the positioning block, the inner wall of the positioning block is fixedly connected to the inner wall of the filter screen, and the side wall of the filter screen is fitted with the inner wall of the fixing ring;

[0008] A plug-in block, the side wall of the plug-in block fits with the side wall groove of the positioning block, the side wall of the plug-in block fits with the side wall through hole of the fixing ring, the inner wall of the plug-in block is slidably connected to the side wall of the toggle plate, the bottom of the toggle plate is fixedly connected to the top of the return spring, the top of the toggle plate is fixedly connected to the bottom of the limiter, the outer wall of the limiter fits with the inner wall groove of the positioning block, and the outer wall of the plug-in block is slidably connected to the side wall of the sliding plate.

[0009] Preferably, the bottom of the connecting pipe is fitted with the top of the support plate, the bottom of the support plate is fixedly connected to the top of the support frame, and the inner wall of the support frame is fixedly connected to the side wall of the fuselage.

[0010] Preferably, the positioning plates are provided with four groups, and the four groups of positioning blocks are symmetrically arranged on the inner wall of the fixing ring with the fixing ring as the midline, and the positioning blocks are provided with two groups, and the two groups of positioning blocks are symmetrically arranged on the inner wall of the filter net with the filter net as the midline.

[0011] Preferably, two groups of the plug-in blocks are provided, and the two groups of the plug-in blocks are symmetrically arranged in the side wall through holes of the fixing ring with the connecting pipe as the center line.

[0012] Preferably, the sliding plate is arranged on the right side of the outer wall of the plug-in block, and the connecting pipe is arranged on the right side of the fuselage.

[0013] Preferably, the positioning block is arranged between two groups of positioning plates, and the mounting mechanism is arranged at an end of the connecting pipe away from the fuselage.

[0014] Preferably, the driving device is arranged at the top center of the fuselage, and a dashboard is arranged on the top left side of the fuselage.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The filter can be quickly disassembled and assembled by providing an installation mechanism. A fixing ring is provided on the side wall of the connecting pipe, and the filter is arranged on the inner wall of the fixing ring. When the filter needs to be installed, the positioning block on the inner wall of the filter is fitted with the positioning plate, and then the plug-in block is inserted into the through hole of the side wall of the fixing ring, so that the limiter on the top of the plug-in block is pushed by the reset spring and inserted into the inner wall groove of the positioning block to fix it. When the filter needs to be disassembled, the toggle plate is pressed downward to reset the limiter and retract it.

[0017] 2. By setting up a stabilizing mechanism, the overall safety and stability of the mixed flow pump are improved. A support plate is set at the bottom of the connecting pipe, and the bottom of the support plate is supported by a support frame. The support frame uses a triangular stabilizing structure, which can protect the connecting pipe and reduce vibration during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the installation mechanism structure in the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the adjustment mechanism in the utility model;

[0021] Figure 4 For the utility model Figure 2 A schematic diagram of the enlarged structure in the middle;

[0022] In the figure: 1. body; 2. driving device; 3. connecting pipe; 4. mounting mechanism; 401. fixing ring; 402. positioning plate; 403. positioning block; 404. filter screen; 405. plug-in block; 406. toggle plate; 407. return spring; 408. limiter; 409. sliding plate; 5. adjusting mechanism; 501. support plate; 502. supporting frame. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in 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 in 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.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "setting" should be understood in a broad sense, for example, it can be fixed connection, setting, or detachable connection, setting, or integral connection, setting. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0026] like Figure 1-Figure 4 As shown, a mixed flow pump with an easily replaceable filter includes: a body 1, the top of the body 1 is fixedly connected to the bottom of a driving device 2, the side wall of the body 1 is fixedly connected to the inner wall of a connecting pipe 3, the connecting pipe 3 is provided with a mounting mechanism 4 for easily replacing the filter, and the connecting pipe 3 is provided with an adjusting mechanism 5.

[0027] like Figure 2 As shown, the mounting mechanism 4 comprises: a fixing ring 401, the inner wall of the fixing ring 401 is fixedly connected to the side of the connecting pipe 3, the inner wall of the fixing ring 401 is fixedly connected to the inner wall of the positioning plate 402, the inner wall of the positioning plate 402 is fitted with the side wall of the positioning block 403, the inner wall of the positioning block 403 is fixedly connected to the inner wall of the filter screen 404, and the side wall of the filter screen 404 is fitted with the inner wall of the fixing ring 401;

[0028] Plug-in block 405, the side wall of plug-in block 405 fits with the side wall groove of positioning block 403, the side wall of plug-in block 405 fits with the side wall through hole of fixing ring 401, the inner wall of plug-in block 405 is slidingly connected with the side wall of toggle plate 406, the bottom of toggle plate 406 is fixedly connected with the top of return spring 407, the top of toggle plate 406 is fixedly connected with the bottom of limiter 408, the outer wall of limiter 408 fits with the inner wall groove of positioning block 403, the outer wall of plug-in block 405 is slidingly connected with the side wall of sliding plate 409.

[0029] Specifically, a fixing ring 401 is provided on the side wall of the connecting pipe 3, and a filter screen 404 is provided on the inner wall of the fixing ring 401. When the filter screen 404 needs to be installed, the positioning block 403 on the inner wall of the filter screen 404 is fitted with the positioning plate 402, and then the plug-in block 405 is embedded in the side wall through hole of the fixing ring 401, so that the limiter 408 on the top of the plug-in block 405 is pushed by the reset spring 407 and embedded in the inner wall groove of the positioning block 403 to fix it. When the filter screen 404 needs to be disassembled, the toggle plate 406 is pressed downward to reset and recycle the limiter 408.

[0030] like Figure 3 As shown, the bottom of the connecting pipe 3 is in contact with the top of the support plate 501 , the bottom of the support plate 501 is fixedly connected to the top of the support frame 502 , and the inner wall of the support frame 502 is fixedly connected to the side wall of the fuselage 1 .

[0031] Specifically, a support plate 501 is provided at the bottom of the connecting pipe 3 , and the bottom of the support plate 501 is supported by a support frame 502 . The support frame 502 uses a triangular stabilizing structure, thereby protecting the connecting pipe 3 and reducing vibration during operation.

[0032] like Figure 2 As shown, there are four groups of positioning plates 402, and the four groups of positioning blocks 403 are symmetrically arranged on the inner wall of the fixing ring 401 with the fixing ring 401 as the center line. There are two groups of positioning blocks 403, and the two groups of positioning blocks 403 are symmetrically arranged on the inner wall of the filter net 404 with the filter net 404 as the center line.

[0033] Specifically, the mechanism is used to fix the position of the positioning block 403 .

[0034] like Figure 2 As shown, two groups of plug-in blocks 405 are provided, and the two groups of plug-in blocks 405 are symmetrically arranged in the side wall through holes of the fixing ring 401 with the connecting pipe 3 as the center line.

[0035] Specifically, the mechanism can fix the left and right positions of the fixing ring 401 and the filter screen 404 .

[0036] like Figure 1As shown, the sliding plate 409 is arranged on the right side of the outer wall of the plug-in block 405 , and the connecting pipe 3 is arranged on the right side of the fuselage 1 .

[0037] Specifically, the sliding plate 409 is used to limit and fix the bottom of the toggle plate 406 after the toggle plate 406 rises to the highest height.

[0038] like Figure 2 As shown, the positioning block 403 is arranged between the two groups of positioning plates 402 , and the mounting mechanism 4 is arranged at one end of the connecting pipe 3 away from the fuselage 1 .

[0039] Specifically, the mechanism is used to fix the position of the positioning block 403 .

[0040] like Figure 1 As shown, the driving device 2 is arranged at the top center of the fuselage 1 , and a dashboard is arranged on the top left side of the fuselage 1 .

[0041] Specifically, the driving device 2 and the instrument panel are used to coordinate the normal operation of the mixed flow pump.

[0042] The working principle of the utility model is as follows:

[0043] A fixing ring 401 is provided on the side wall of the connecting pipe 3, and the filter screen 404 is arranged on the inner wall of the fixing ring 401. When the filter screen 404 needs to be installed, the positioning block 403 on the inner wall of the filter screen 404 is fitted with the positioning plate 402, and then the plug-in block 405 is embedded in the side wall through hole of the fixing ring 401, so that the limiter 408 on the top of the plug-in block 405 is pushed by the reset spring 407 and embedded in the inner wall groove of the positioning block 403 to fix it. When the filter screen 404 needs to be disassembled, the toggle plate 406 is pressed downward to reset the limiter 408 and recycle it.

[0044] A support plate 501 is provided at the bottom of the connecting pipe 3, and the bottom of the support plate 501 is supported by a support frame 502. The support frame 502 uses a triangular stabilizing structure, so as to protect the connecting pipe 3 and reduce vibration during operation, thereby improving the overall safety and stability of the mixed flow pump.

[0045] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A mixed flow pump with an easily replaceable filter screen, characterized in that: include: A fuselage (1), wherein the top of the fuselage (1) is fixedly connected to the bottom of the driving device (2), the side wall of the fuselage (1) is fixedly connected to the inner wall of a connecting pipe (3), the connecting pipe (3) is provided with a mounting mechanism (4) for facilitating replacement of a filter screen, the connecting pipe (3) is provided with an adjustment mechanism (5), and the mounting mechanism (4) comprises: A fixing ring (401), wherein the inner wall of the fixing ring (401) is fixedly connected to the side of the connecting tube (3), the inner wall of the fixing ring (401) is fixedly connected to the inner wall of the positioning plate (402), the inner wall of the positioning plate (402) is in contact with the side wall of the positioning block (403), the inner wall of the positioning block (403) is fixedly connected to the inner wall of the filter screen (404), and the side wall of the filter screen (404) is in contact with the inner wall of the fixing ring (401); A plug-in block (405), the side wall of the plug-in block (405) is fitted with the side wall groove of the positioning block (403), the side wall of the plug-in block (405) is fitted with the side wall through hole of the fixing ring (401), the inner wall of the plug-in block (405) is slidably connected to the side wall of the toggle plate (406), the bottom of the toggle plate (406) is fixedly connected to the top of the return spring (407), the top of the toggle plate (406) is fixedly connected to the bottom of the limiter (408), the outer wall of the limiter (408) is fitted with the inner wall groove of the positioning block (403), and the outer wall of the plug-in block (405) is slidably connected to the side wall of the sliding plate (409).

2. The mixed flow pump with an easily replaceable filter screen according to claim 1, characterized in that: The bottom of the connecting tube (3) is fitted with the top of the support plate (501), the bottom of the support plate (501) is fixedly connected to the top of the support frame (502), and the inner wall of the support frame (502) is fixedly connected to the side wall of the fuselage (1).

3. The mixed flow pump with an easily replaceable filter screen according to claim 1, characterized in that: The positioning plates (402) are provided in four groups, and the four groups of positioning blocks (403) are symmetrically arranged on the inner wall of the fixing ring (401) with the fixing ring (401) as the center line. The positioning blocks (403) are provided in two groups, and the two groups of positioning blocks (403) are symmetrically arranged on the inner wall of the filter net (404) with the filter net (404) as the center line.

4. The mixed flow pump with easily replaceable filter screen according to claim 1, characterized in that: Two groups of the plug-in blocks (405) are provided, and the two groups of the plug-in blocks (405) are symmetrically arranged in the side wall through holes of the fixing ring (401) with the connecting pipe (3) as the center line.

5. The mixed flow pump with easily replaceable filter screen according to claim 1, characterized in that: The sliding plate (409) is arranged on the right side of the outer wall of the plug-in block (405), and the connecting pipe (3) is arranged on the right side of the fuselage (1).

6. The mixed flow pump with easily replaceable filter screen according to claim 1, characterized in that: The positioning block (403) is arranged between the two sets of positioning plates (402), and the mounting mechanism (4) is arranged at an end of the connecting pipe (3) away from the fuselage (1).

7. The mixed flow pump with easily replaceable filter screen according to claim 1, characterized in that: The driving device (2) is arranged at the top center position of the fuselage (1), and a dashboard is arranged on the top left side of the fuselage (1).

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