Structure for preventing backflow of inner cavity of high-pressure diaphragm pump

Abstract

The utility model discloses a backflow prevention structure for an inner cavity of a high-pressure diaphragm pump, a plurality of groups of bolts are respectively screwed at two ends of the diaphragm pump, nuts are respectively screwed at the other ends of the bolts, a plurality of groups of supporting blocks are arranged on the outer wall of one side of the diaphragm pump, clamping grooves are respectively arranged on the supporting blocks, clamping blocks are respectively inserted into the clamping grooves, and the clamping blocks are respectively screwed with the nuts. And a supporting base is arranged below the clamping block. According to the supporting base of the backflow preventing structure for the inner cavity of the high-pressure diaphragm pump, the supporting block and the clamping block are inserted into the clamping groove in a penetrating mode to form a clamping limiting structure with the diaphragm pump, and therefore the whole diaphragm pump can be transversely placed conveniently through the supporting base installed in a clamped mode, and relevant operation can be conducted on the two ends of the diaphragm pump at the same time; the fixing frame of the device is inserted into the limiting hole through the limiting rod and the elastic limiting block to form an elastic clamping limiting structure with the first fixing block, so that the spray heads are clamped and installed on the two sides of the diaphragm pump through the limiting rod and other assemblies, and then the two ends of the diaphragm pump are conveniently cleaned through the spray heads.

Description

Technical Field

[0001] The utility model relates to the technical field of high-pressure diaphragm pumps, in particular to a backflow prevention structure for an inner cavity of a high-pressure diaphragm pump. Background Art

[0002] A high-pressure diaphragm pump is a special type of positive displacement pump that uses the reciprocating motion of a diaphragm to change the volume of its working chamber, thereby achieving the suction and discharge of liquids. It is widely used in fields such as petrochemicals, ceramics, metallurgy, environmental protection, and wastewater treatment. To ensure that the pump can properly suction and discharge liquids during operation, a backflow prevention structure is used to ensure normal operation of the diaphragm pump.

[0003] During use, the reciprocating motion of the diaphragm in the high-pressure diaphragm pump's reflux mechanism covers the working chamber volume, thereby completing the suction and discharge of liquid. However, the existing high-pressure diaphragm pump reflux mechanism has rounded ends during use, making it inconvenient to operate horizontally, and making it inconvenient to regularly remove the diaphragm and clean the ends of the diaphragm pump. Therefore, a high-pressure diaphragm pump cavity anti-reflux structure is proposed to solve the above problems. Utility Model Content

[0004] The purpose of the present utility model is to provide a high-pressure diaphragm pump inner cavity backflow prevention structure to solve the problem that the existing high-pressure diaphragm pump backflow structure proposed in the above background technology has round ends during use, making it inconvenient to operate it horizontally, and it is inconvenient to disassemble the diaphragm regularly, and it is inconvenient to clean the two ends of the diaphragm pump.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a high-pressure diaphragm pump inner cavity backflow prevention structure, comprising a diaphragm pump, wherein the diaphragm pump is respectively provided with multiple sets of bolts screwed on both ends, and the other ends of the bolts are respectively provided with nuts screwed on, the diaphragm pump is provided with multiple sets of support blocks on one outer wall, and the support blocks are respectively provided with engaging grooves, the engaging grooves are respectively inserted with engaging blocks, and the engaging blocks are provided with a support base below;

[0006] The two ends of the diaphragm pump are respectively provided with a first fixing block on the outer wall, and the first fixing block is respectively inserted with a limit rod, and the limit rod is respectively inserted on the fixing frame, and one end of the limit rod is respectively provided with an elastic limit block on the outer wall on both sides, and the first fixing block is provided with a limit hole corresponding to the outer wall on both sides, and the elastic limit block is inserted in the limit hole;

[0007] A rotating rod is inserted between the fixing frames, and both ends of the rotating rod are respectively provided with threads on the outer wall, and corresponding spiral holes are opened on the fixing frames. A second fixed block is provided on the outer wall of one side of the rotating rod, and a rotating block is inserted in the second fixed block. The rotating block is provided with a spray arm at the other end, and multiple groups of nozzles are evenly provided on the spray arm. A water inlet pipe is provided on the spray arm, and the other end of the water inlet pipe is connected to the water source through a water pump.

[0008] Preferably, the support base forms a locking and limiting structure with the diaphragm pump through the support block and the locking block inserted into the locking groove.

[0009] Preferably, the fixing frame is inserted into the limiting hole through the limiting rod and the elastic limiting block to form an elastic locking limiting structure with the first fixing block.

[0010] Preferably, the second fixing block forms a rotating structure with the fixing frame through a rotating rod, and the second fixing block forms a spiral locking structure with the fixing frame through the rotating rod.

[0011] Preferably, the spray arm forms a rotating structure through the rotating block and the second fixed block, and the spray head forms a communicating structure with the water source through the spray arm and the water inlet pipe under the action of the water pump.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the support base of the anti-backflow structure of the high-pressure diaphragm pump inner cavity is inserted into the clamping groove through the support block and the clamping block to form a clamping limit structure with the diaphragm pump, so that the support base installed by the clamping is convenient for placing the diaphragm pump as a whole horizontally, so as to perform related operations on both ends of the diaphragm pump at the same time, and the fixed frame of the device is inserted into the limiting hole through the limiting rod and the elastic limiting block to form an elastic clamping limit structure with the first fixed block, so that the nozzle is clamped and installed on the diaphragm pump through the limiting rod and other components. On both sides, it is convenient to clean both ends of the diaphragm pump through the nozzle. The second fixed block of the device forms a rotating structure with the fixed frame through the rotating rod, and the second fixed block forms a spiral locking structure with the fixed frame through the rotating rod, so that the nozzle assembly can be driven to rotate through the rotating rod, thereby increasing the practicality of the nozzle assembly. The spray arm of the device forms a rotating structure with the second fixed block through the rotating block, and the nozzle forms a connecting structure with the water source through the spray arm, the water inlet pipe and the water source under the action of the water pump, thereby ensuring the cleaning effect of the assembly on the diaphragm pump through the rotatable nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of a high-pressure diaphragm pump cavity backflow prevention structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of a nozzle clamping assembly of a high-pressure diaphragm pump cavity backflow prevention structure of the utility model;

[0015] Figure 3This is a side structural diagram of a nozzle clamping assembly of a high-pressure diaphragm pump inner cavity backflow prevention structure according to the utility model;

[0016] Figure 4 This is a side structural schematic diagram of a rotating rod assembly of a backflow prevention structure for an inner cavity of a high-pressure diaphragm pump according to the present invention.

[0017] In the figure: 1. diaphragm pump, 2. support block, 3. locking block, 4. bolt, 5. first fixing block, 6. fixing bracket, 7. limit rod, 8. elastic limit block, 9. rotating rod, 10. second fixing block, 11. rotating block, 12. spray arm, 13. spray head, 14. support base. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figure 1-4 The utility model provides a technical solution: a high-pressure diaphragm pump inner cavity backflow prevention structure, including a diaphragm pump 1, the diaphragm pump 1 is respectively screwed with multiple groups of bolts 4 at both ends, and the other ends of the bolts 4 are respectively screwed with nuts, the diaphragm pump 1 is provided with multiple groups of support blocks 2 on the outer wall of one side, and the support blocks 2 are respectively provided with engaging grooves, and engaging blocks 3 are respectively inserted into the engaging grooves, and the engaging blocks 3 are provided with a support base 14 at the bottom.

[0020] Furthermore, the support base 14 is inserted into the locking groove through the support block 2 and the locking block 3 to form a locking limit structure with the diaphragm pump 1, so that the support base 14 ensures that the diaphragm pump 1 can be placed horizontally, so that the anti-backflow structure can be inspected and related operations can be performed on both ends at the same time.

[0021] The diaphragm pump 1 has first fixed blocks 5 on the outer walls at both ends, and the first fixed blocks 5 are respectively inserted with limit rods 7, which are respectively inserted into the fixing frames 6. One end of the limit rod 7 is provided with elastic limit blocks 8 on the outer walls on both sides, and the first fixed block 5 has corresponding limit holes on the outer walls on both sides, and the elastic limit blocks 8 are inserted into the limit holes.

[0022] Furthermore, the fixing frame 6 is inserted into the limiting hole through the limiting rod 7 and the elastic limiting block 8 to form an elastic locking limiting structure with the first fixing block 5, so that the cleaning component is clamped and installed on both ends of the diaphragm pump 1 through the elastic limiting block 8 and its related components, so that both ends can be cleaned quickly.

[0023] A rotating rod 9 is inserted between the fixing frames 6 , and both ends of the rotating rod 9 are respectively provided with threads on the outer wall, and corresponding spiral holes are opened on the fixing frames 6 .

[0024] Furthermore, the second fixed block 10 forms a rotating structure with the fixing frame 6 through the rotating rod 9, and the second fixed block 10 forms a spiral locking structure with the fixing frame 6 through the rotating rod 9, so that the nozzle 13 can be flipped through the rotating rod 9, thereby increasing the practicality of the nozzle 13 during operation.

[0025] A second fixed block 10 is provided on the outer wall of one side of the rotating rod 9, and a rotating block 11 is inserted into the second fixed block 10. A spray arm 12 is provided at the other end of the rotating block 11, and a plurality of groups of nozzles 13 are evenly provided on the spray arm 12. A water inlet pipe is provided on the spray arm 12, and the other end of the water inlet pipe is connected to the water source through a water pump.

[0026] Furthermore, the spray arm 12 forms a rotating structure with the second fixed block 10 through the rotating block 11, and the nozzle 13 forms a connecting structure with the water source through the spray arm 12, the water inlet pipe and the water source under the action of the water pump, so that when the nozzle 13 cleans the two ends of the diaphragm pump 1, it can be driven to rotate by the rotating block 10, thereby ensuring that the nozzle 13 can fully clean the two ends of the diaphragm pump 1.

[0027] Working principle: When using the anti-backflow structure of the high-pressure diaphragm pump cavity, first, when the anti-backflow structure of the diaphragm pump is regularly inspected and maintained, the snap block 3 can be inserted into the support block 2, so that the support base 14 can be snap-fitted and installed on the diaphragm pump 1 through the snap block 3, so that the diaphragm pump 1 can be placed horizontally as a whole through the support base 14, thereby facilitating the relevant operations on both ends of the diaphragm pump 1 at the same time; during the replacement and inspection of the diaphragm of the diaphragm pump 1, the elastic limit block 8 can be pressed to insert the limit rod 7 into the first fixed block 5, so that the nozzle 13 and its related The components are snap-fitted and installed, so that both ends of the diaphragm pump 1 can be cleaned simultaneously through the nozzle 13. During the cleaning process, the spray arm 12 can be driven to rotate by the rotating block 11, thereby ensuring that the nozzle 13 can fully clean both ends of the diaphragm pump 1; during the diaphragm installation process, the nozzle 13 and its related components can be driven to flip by the rotating rod 9, so that the diaphragm can be cleaned through the nozzle 13, and the diaphragm can be inspected through the nozzle 13 at the same time, thereby increasing the convenience of regular maintenance and cleaning of the diaphragm in the anti-backflow structure of the diaphragm pump 1. This is the use process of the anti-backflow structure of the inner cavity of the high-pressure diaphragm pump.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A high-pressure diaphragm pump inner cavity backflow prevention structure, comprising a diaphragm pump (1), wherein the diaphragm pump (1) is respectively screwed with a plurality of bolts (4) at both ends, and the other ends of the bolts (4) are respectively screwed with nuts, characterized in that: The diaphragm pump (1) is provided with a plurality of support blocks (2) on one side of the outer wall, and the support blocks (2) are respectively provided with engaging grooves, the engaging grooves are respectively inserted with engaging blocks (3), and the engaging blocks (3) are provided with a support base (14) below. The two ends of the diaphragm pump (1) are respectively provided with first fixing blocks (5) on the outer wall, and the first fixing blocks (5) are respectively inserted with limiting rods (7), and the limiting rods (7) are respectively inserted on the fixing frame (6), and one end of the limiting rod (7) is respectively provided with elastic limiting blocks (8) on the outer walls on both sides, and the first fixing block (5) is provided with limiting holes corresponding to the outer walls on both sides, and the elastic limiting blocks (8) are inserted in the limiting holes; A rotating rod (9) is inserted between the fixing frames (6), and both ends of the rotating rod (9) are respectively provided with threads on the outer wall, and a corresponding spiral hole is opened on the fixing frame (6). The rotating rod (9) is provided with a second fixing block (10) on one side of the outer wall, and a rotating block (11) is inserted in the second fixing block (10). The rotating block (11) is provided with a spray arm (12) at the other end, and a plurality of groups of spray heads (13) are evenly provided on the spray arm (12). A water inlet pipe is provided on the spray arm (12), and the other end of the water inlet pipe is connected to a water source through a water pump.

2. A high-pressure diaphragm pump inner cavity backflow prevention structure according to claim 1, characterized in that: The support base (14) is inserted into the engagement groove via the support block (2) and the engagement block (3) to form an engagement limiting structure with the diaphragm pump (1).

3. The high-pressure diaphragm pump inner cavity backflow prevention structure according to claim 1, characterized in that: The fixing frame (6) is inserted into the limiting hole through the limiting rod (7) and the elastic limiting block (8) to form an elastic locking limiting structure with the first fixing block (5).

4. The high-pressure diaphragm pump inner cavity backflow prevention structure according to claim 1, characterized in that: The second fixed block (10) forms a rotating structure with the fixed frame (6) through the rotating rod (9), and the second fixed block (10) forms a spiral locking structure with the fixed frame (6) through the rotating rod (9).

5. The high-pressure diaphragm pump inner cavity backflow prevention structure according to claim 1, characterized in that: The spray arm (12) forms a rotating structure through the rotating block (11) and the second fixed block (10), and the spray head (13) forms a communication structure with the water inlet source through the spray arm (12) and the water inlet pipe under the action of the water pump.

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