Positioning structure of galvanizing machine

Abstract

The utility model discloses a galvanizing machine positioning structure, which relates to the technical field of galvanizing machines and comprises a galvanizing machine, a liquid filtering mechanism is fixedly mounted on the left side of the galvanizing machine, four positioning mechanisms are fixedly mounted at the bottom of the galvanizing machine in a rectangular array manner, and each positioning mechanism comprises a movable mechanism. A fixed stand column is arranged at the bottom of the movable mechanism, a telescopic box is slidably installed on the outer wall of the fixed stand column, a threaded groove is formed in the fixed stand column, a threaded rod is installed on the inner ring of the threaded groove in a threaded mode, and a lifting plate is fixedly installed at the bottom of the fixed stand column. The four side faces of the lifting plate are in lap joint with the four side faces of the inner wall of the telescopic box. The movable mechanism, the fixed stand column, the telescopic box and the rotating base plate are matched with one another, so that the bottom of the whole galvanizing machine can be positioned and adjusted at different heights, the galvanizing machine can be conveniently placed on different grounds, and stable operation of the galvanizing machine is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of galvanizing machines, and particularly relates to a positioning structure of a galvanizing machine. Background Art

[0002] A galvanizing machine is a mechanical device for performing galvanizing processes on the surfaces of metals, alloys, or other materials, which can effectively enhance the corrosion resistance of metals, alloys, or other materials. When in use, the workpiece to be galvanized needs to be placed into an electroplating bath filled with galvanizing solution. The galvanizing solution is composed of an aqueous solution containing compounds of plating metals, conductive salts, buffers, pH regulators, additives, etc. After being electrified, metal ions in the galvanizing solution move to the cathode under the action of potential difference to form a coating. The following problems exist in the prior art:

[0003] Chinese patent document CN218465947U discloses a positioning structure of a galvanizing machine, which includes that a threaded rod is fixedly welded to the lower end surface of the galvanizing machine. The outer side of the lower end of the threaded rod is threadedly connected with a threaded sleeve, and a protective pad is fixedly adhered to the lower end of the threaded sleeve. A spring rubber is fixedly adhered to the lower end surface of the galvanizing machine. For this positioning structure of the galvanizing machine, by rotating the threaded sleeve, the protective pad is driven to rotate, and the rubber spring is compressed, which is convenient for adjusting the height position of the threaded sleeve, preventing the bottom of the galvanizing machine from tilting and affecting the galvanizing effect. The design of the spring rubber can prevent impurities and dust from falling onto the surface of the threaded rod and affecting the rotational flexibility of the threaded sleeve; by starting the water pump, a large amount of impurities and dust at the bottom of the galvanizing machine can be extracted from the dust suction pipe, and are introduced into the filter screen through the liquid extraction pipe and the drain pipe for filtration, preventing impurities and dust from affecting the galvanizing effect. By moving the handle and the fixed rod to one side, the support ring and the filter screen are driven to move to one side for quick removal, which is convenient for cleaning the filtered impurities.

[0004] In the above-mentioned document, since the threaded rod is fixedly welded to the lower end surface of the galvanizing machine, when the threaded sleeve on one side of the bottom of the overall galvanizing machine rotates to adjust the height, there will be a problem of movement interference with the threaded rod on the other side, so the height adjustment on one side cannot be carried out. The overall galvanizing machine can only be adjusted up and down uniformly, and does not have a good positioning effect. At the same time, the water pump in the above-mentioned document needs to directly extract dust and impurities, and these dust and impurities must pass through the water pump before falling into the filter screen for filtration. Long-term use is likely to cause blockage of the water pump, thereby affecting the liquid extraction efficiency and the service life of the water pump. Summary of the Utility Model

[0005] The utility model provides a positioning structure of a galvanizing machine to solve the problems raised in the above background art.

[0006] To solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A positioning structure of a galvanizing machine, including a galvanizing machine, a filtrating mechanism is fixedly installed on the left side of the galvanizing machine, four positioning mechanisms are fixedly installed in a rectangular array at the bottom of the galvanizing machine, the positioning mechanism includes a movable mechanism, a fixed column is arranged at the bottom of the movable mechanism, a telescopic box is slidably installed on the outer wall of the fixed column, a threaded groove is opened inside the fixed column, a threaded rod is threadedly installed in the inner ring of the threaded groove, a lifting plate is fixedly installed at the bottom of the fixed column, four sides of the lifting plate are lapped with four sides of the inner wall of the telescopic box, the bottom end of the threaded rod penetrates through the lifting plate to the bottom of the telescopic box and is fixedly installed with a rotating chassis, a bearing is fixedly installed at the bottom of the inner wall of the telescopic box, and the inner ring of the bearing is fixedly connected with the outer wall of the threaded rod.

[0008] A further improvement of the technical solution of the present utility model lies in that: the movable mechanism includes a base plate, the top of the base plate is fixedly connected with the bottom of the galvanizing machine, a spherical groove is opened inside the base plate, a movable steel ball is movably installed in the inner cavity of the spherical groove, the bottom of the movable steel ball penetrates to the bottom of the base plate and is fixedly connected with the top end of the fixed column, a threaded hole is opened on one side of the base plate, the threaded hole communicates with the inner cavity of the spherical groove, a limiting screw rod is threadedly installed in the inner ring of the threaded hole, and a knob is fixedly installed at the end of the limiting screw rod away from the base plate.

[0009] A further improvement of the technical solution of the present utility model lies in that: the filtrating mechanism includes a mounting plate, a filtering mechanism, and a liquid suction pipe. The mounting plate is fixedly installed at the rear left side of the galvanizing machine, the filtering mechanism is located at the front side of the mounting plate, a water pump is fixedly installed on the top of the mounting plate, the output end of the water pump is fixedly connected with an infusion pipe, the output end of the infusion pipe is located above the galvanizing machine, several input ports are opened on one side of the liquid suction pipe, several liquid suction boxes are fixedly connected to one side of several input ports, several liquid suction ports are fixedly connected to the bottom of several liquid suction boxes, and several triangular top plates are fixedly installed at the top of several liquid suction ports.

[0010] A further improvement of the technical solution of the present utility model lies in that: the filtering mechanism includes a filtering box, a crushing box is fixedly connected through the bottom of the filtering box, a driving box is fixedly installed on the left side of the crushing box, a motor is fixedly installed on the left side of the driving box, the output shaft of the motor penetrates into the inner cavity of the driving box and is fixedly installed with a first gear, a rotating rod is movably installed above the left side of the inner wall of the driving box, a second gear is fixedly installed on the outer wall of the rotating rod, the second gear meshes with the first gear, the rotating rod and the rightmost end of the output shaft of the motor both penetrate into the inner cavity of the crushing box and are both fixedly installed with crushing blades, and the output end of the liquid suction pipe communicates with the inner cavity of the crushing box.

[0011] A further improvement of the technical solution of the present utility model lies in that: on the rear side of the top inner wall and the front side of the bottom inner wall of the filter box, inclined surface diversion blocks are fixedly installed, and on the opposite surfaces of the two inclined surface diversion blocks, card slots are opened. On the front side of the filter box, a threaded installation groove penetrating its inner cavity is opened. On the upper and lower sides of the inner ring of the threaded installation groove, filter plate grooves are opened, and a threaded knob is threadedly installed in the inner ring of the threaded installation groove.

[0012] A further improvement of the technical solution of the present utility model lies in that: a filter insertion plate is movably installed at the right end of the threaded knob. On one side of the inner ring of the filter insertion plate, a filter net is fixedly installed. The right end of the filter insertion plate penetrates the filter plate groove to the inner cavity of the filter box. The upper and lower sides of the filter insertion plate are respectively clamped with the two card slots. A connecting pipe is fixedly connected to the top of the filter box, and the output end of the connecting pipe is fixedly connected to the input end of a water pump.

[0013] Due to the adoption of the above technical solution, the technical progress achieved by the present utility model compared with the prior art is as follows:

[0014] 1. The present utility model provides a positioning structure for a galvanizing machine. Through the mutual cooperation among the movable mechanism, the fixed column, the telescopic box, and the rotating chassis, the bottom of the overall galvanizing machine can be positioned and adjusted at different heights, which is convenient for adapting to different ground placements and facilitating the stable operation of the galvanizing machine.

[0015] 2. The present utility model provides a positioning structure for a galvanizing machine. Through the mutual cooperation among the water pump, the filtering mechanism, the liquid extraction pipe, the liquid extraction box, and the liquid extraction port, the galvanizing liquid mixed with impurities that is extracted can be effectively filtered before passing through the water pump, effectively preventing the water pump from being blocked and ensuring the liquid extraction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the overall schematic diagram of the structure of the present utility model;

[0017] Figure 2 is the schematic diagram of the positioning mechanism of the structure of the present utility model;

[0018] Figure 3 is the schematic diagram of the movable mechanism of the structure of the present utility model;

[0019] Figure 4 is the schematic diagram of the filtrate mechanism of the structure of the present utility model;

[0020] Figure 5 is the schematic diagram of the filtering mechanism of the structure of the present utility model;

[0021] Figure 6 is the internal schematic diagram of the filter box of the structure of the present utility model.

[0022] In the figure: 1, galvanizing machine; 2, positioning mechanism; 21, movable mechanism; 211, base plate; 212, spherical ball groove; 213, movable steel ball; 214, threaded hole; 215, limiting screw; 216, knob; 22, fixed column; 23, telescopic box; 24, lifting plate; 25, threaded groove; 26, threaded rod; 27, bearing; 28, rotating chassis; 3, filtrate mechanism; 31, mounting plate; 32, water pump; 33, infusion pipe; 34, filtering mechanism; 341, filter box; 3411, inclined surface guide block; 3412, card slot; 3413, threaded mounting groove; 3414, filter plate groove; 3415, threaded knob; 3416, filter insert; 3417, filter screen; 3418, connecting pipe; 342, drive box; 343, motor; 344, gear one; 345, rotating rod; 346, gear two; 347, crushing blade; 35, liquid extraction pipe; 36, liquid extraction box; 37, liquid extraction port; 38, triangular top plate. Specific embodiments

[0023] In order to make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] As Figure 1 , Figure 2 , Figure 3 shown, the present utility model provides a positioning structure for a galvanizing machine, including a galvanizing machine 1, a filtrate mechanism 3 is fixedly installed on the left side of the galvanizing machine 1, four positioning mechanisms 2 are fixedly installed in a rectangular array at the bottom of the galvanizing machine 1, the positioning mechanism 2 includes a movable mechanism 21, a fixed column 22 is arranged at the bottom of the movable mechanism 21, a telescopic box 23 is slidably installed on the outer wall of the fixed column 22, a threaded groove 25 is opened inside the fixed column 22, a threaded rod 26 is threadedly installed in the inner circle of the threaded groove 25, a lifting plate 24 is fixedly installed at the bottom of the fixed column 22, the four side surfaces of the lifting plate 24 are in contact with the four side surfaces of the inner wall of the telescopic box 23, the bottom end of the threaded rod 26 penetrates through the lifting plate 24 to the bottom of the telescopic box 23 and is fixedly installed with a rotating chassis 28, a bearing 27 is fixedly installed at the bottom of the inner wall of the telescopic box 23, and the inner circle of the bearing 27 is fixedly connected to the outer wall of the threaded rod 26. The movable mechanism 21 includes a base plate 211, the top of the base plate 211 is fixedly connected to the bottom of the galvanizing machine 1, a spherical ball groove 212 is opened inside the base plate 211, a movable steel ball 213 is movably installed in the inner cavity of the spherical ball groove 212, the bottom of the movable steel ball 213 penetrates through the bottom of the base plate 211 and is fixedly connected to the top end of the fixed column 22, a threaded hole 214 is opened on one side of the base plate 211, the threaded hole 214 communicates with the inner cavity of the spherical ball groove 212, a limiting screw 215 is threadedly installed in the inner circle of the threaded hole 214, and a knob 216 is fixedly installed at one end of the limiting screw 215 away from the base plate 211;

[0025] When the whole galvanizing machine 1 is placed on an uneven ground and tilts, the positioning mechanism 2 on the lower side can be adjusted, and the threaded rod 26 can be driven to rotate in the fixed column 22 by rotating the rotating chassis 28, so that the threaded rod 26 drives the telescopic box 23 to move downward, and the sliding of the lifting plate 24 in the inner cavity of the telescopic box 23 is used to maintain stability, and at the same time, the base plate 211 on the other side uses the movable steel ball 213 at the top of the fixed column 22 to rotate in the ball groove 212 to achieve normal angle changes, and after adjustment, the limit screw 215 can be driven to rotate in the threaded hole 214 by rotating the knob 216, and finally it can resist the movable steel ball 213 in the ball groove 212 to prevent the movable steel ball 213 from shaking at will, and successfully complete the angle positioning of the galvanizing machine 1.

[0026] like Figure 4 , Figure 5 As shown, the filtrate mechanism 3 includes a mounting plate 31, a filter mechanism 34, and a liquid extraction pipe 35. The mounting plate 31 is fixedly mounted at the left rear of the galvanizing machine 1, the filter mechanism 34 is located at the front side of the mounting plate 31, a water pump 32 is fixedly mounted on the top of the mounting plate 31, the output end of the water pump 32 is fixedly connected to a liquid infusion pipe 33, the output end of the liquid infusion pipe 33 is located above the galvanizing machine 1, a plurality of input ports are opened on one side of the liquid extraction pipe 35, a plurality of input ports are fixedly connected to one side of a liquid extraction box 36, a plurality of liquid extraction ports 37 are fixedly connected to the bottom of the plurality of liquid extraction boxes 36, a plurality of liquid extraction ports 37 are fixedly mounted on the top of the plurality of liquid extraction ports 37, and a triangular top plate 38 is fixedly mounted on the top of the filter mechanism 34. A filter box 341 is provided, the bottom of which is connected to a crushing box through and fixedly connected thereto. A drive box 342 is fixedly installed on the left side of the crushing box. A motor 343 is fixedly installed on the left side of the drive box 342. The output shaft of the motor 343 passes through the inner cavity of the drive box 342 and is fixedly installed with a gear 1 344. A rotating rod 345 is movably installed on the upper left side of the inner wall of the drive box 342. A gear 2 346 is fixedly installed on the outer wall of the rotating rod 345. The gear 2 346 is meshed with the gear 1 344. The rightmost ends of the rotating rod 345 and the output shaft of the motor 343 both pass through the inner cavity of the crushing box and are fixedly installed with a crushing blade 347. The output end of the liquid extraction tube 35 passes through the inner cavity of the crushing box.

[0027] After the water pump 32 on the mounting plate 31 is started, suction can be generated. After passing through the filter box 341 and the crushing box, the impurities in the galvanizing liquid are absorbed by the suction ports 37 below the plurality of suction boxes 36 connected by the suction pipes 35. At the same time, the triangular top plate 38 can prevent the impurities from accumulating above the suction boxes 36. The extracted impurities will first enter the crushing box below the filter box 341, and the motor 343 drives the gear 1 344 in the driving box 342 to rotate, and the gear 1 344 is engaged with the gear 2 346, so that the two crushing blades 347 in the crushing box can be driven to rotate in opposite directions at the same time, so as to crush the large particles of impurities in the galvanizing liquid into small particles that enter the inner cavity of the filter box 341 together with the galvanizing liquid.

[0028] like Figure 6 As shown, the rear side of the inner wall top and the front side of the inner wall bottom of the filter box 341 are fixedly installed with an inclined guide block 3411, and the opposite surfaces of the two inclined guide blocks 3411 are provided with a card slot 3412. The front side of the filter box 341 is provided with a threaded installation groove 3413 that passes through its inner cavity, and the upper and lower sides of the inner circle of the threaded installation groove 3413 are provided with filter plate grooves 3414. The inner circle of the threaded installation groove 3413 is threadedly installed with a threaded knob 3415, and the threaded knob A filter plug plate 3416 is movably mounted on the right end of 3415, a filter screen 3417 is fixedly mounted on one side of the inner circle of the filter plug plate 3416, the right end of the filter plug plate 3416 passes through the filter plate slot 3414 to the inner cavity of the filter box 341, the upper and lower sides of the filter plug plate 3416 are respectively engaged with the two slots 3412, the top of the filter box 341 is fixedly connected with a connecting pipe 3418, and the output end of the connecting pipe 3418 is fixedly connected to the input end of the water pump 32;

[0029] After entering the filter box 341, the galvanizing liquid will flow upward along the inclined guide block 3411 below the inner cavity thereof, and be filtered through the filter screen 3417 in the middle of the filter plug plate 3416 inserted between the two slots 3412, so that particulate impurities are blocked, and the clean galvanizing liquid can then pass through the upper inclined guide block 3411 into the connecting pipe 3418, and finally enter the water pump and be discharged from the infusion pipe 33 into the inner cavity of the galvanizing machine 1 again. When it is necessary to clean the impurities attached to the filter screen 3417 in the filter plug plate 3416, it is only necessary to rotate the threaded knob 3415 to separate it from the threaded mounting groove 3413, and then the filter plug plate 3416 can be pulled out of the filter box 341 through the filter plate groove 3414. After cleaning, the filter plug plate 3416 can be inserted into the filter plate groove 3414 so that the filter plug plate 3416 is inserted between the two slots 3412, and the threaded knob 3415 is rotated in the opposite direction to be threadedly connected with the threaded mounting groove 3413 for installation.

[0030] The following is a detailed description of the working principle of the galvanizing machine positioning structure.

[0031] like Figures 1-6As shown, when the whole galvanizing machine 1 is placed on an uneven ground and tilts, the positioning mechanism 2 on the lower side can be adjusted, and the threaded rod 26 is driven to rotate in the fixed column 22 by rotating the rotating chassis 28, so that the threaded rod 26 drives the telescopic box 23 to move downward, and the lifting plate 24 is used to slide in the inner cavity of the telescopic box 23 to maintain stability, and at the same time, the base plate 211 on the other side uses the movable steel ball 213 at the top of the fixed column 22 to rotate in the ball groove 212 to achieve normal angle changes, and after adjustment, the limit screw 215 can be driven in the thread by rotating the knob 216. The movable steel ball 213 in the ball groove 212 is finally pressed against by the water pump 32 on the mounting plate 31, so as to prevent the movable steel ball 213 from shaking randomly and smoothly complete the angle positioning of the galvanizing machine 1. At the same time, after the water pump 32 on the mounting plate 31 is started, suction can be generated. After passing through the filter box 341 and the crushing box, the impurities in the galvanizing liquid are absorbed by the liquid extraction ports 37 below the plurality of liquid extraction boxes 36 connected by the liquid extraction pipes 35. At the same time, the triangular top plate 38 can prevent the impurities from accumulating above the liquid extraction box 36. The extracted impurities will first enter the crushing box below the filter box 341, and then drive the drive box 34 through the motor 343. The gear 1 344 in the 2 rotates, and the gear 1 344 meshes with the gear 2 346, so that the two crushing blades 347 in the crushing box can be driven to rotate in opposite directions at the same time, and the large particles of impurities in the galvanizing liquid are crushed into small particles, which enter the inner cavity of the filter box 341 together with the galvanizing liquid. After entering, they will go upward along the inclined guide block 3411 below the inner cavity, and pass through the filter screen 3417 in the middle of the filter plug plate 3416 inserted between the two card slots 3412 to filter, so that the particulate impurities are blocked, and the clean galvanizing liquid can enter through the upper inclined guide block 3411 The filter plug 3416 is inserted into the filter plate slot 3414 and then inserted into the filter plate slot 3414 so that the filter plug 3416 is clamped between the two clamping slots 3412, and the threaded knob 3415 is rotated in the opposite direction to thread the threaded mounting groove 3413 to be installed.

[0032] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A positioning structure for a galvanizing machine, comprising a galvanizing machine (1), characterized in that: A filtrate mechanism (3) is fixedly installed on the left side of the galvanizing machine (1). Four positioning mechanisms (2) are fixedly installed at the bottom of the galvanizing machine (1) in a rectangular array. The positioning mechanism (2) includes a movable mechanism (21). A fixed column (22) is arranged at the bottom of the movable mechanism (21). A telescopic box (23) is slidably installed on the outer wall of the fixed column (22). A threaded groove (25) is formed inside the fixed column (22). A threaded rod (26) is threadedly installed in the inner ring of the threaded groove (25). A lifting plate (24) is fixedly installed at the bottom of the fixed column (22). The four sides of the lifting plate (24) are in contact with the four inner side walls of the telescopic box (23). The bottom end of the threaded rod (26) penetrates through the lifting plate (24) to the bottom of the telescopic box (23) and is fixedly installed with a rotating chassis (28). A bearing (27) is fixedly installed at the bottom of the inner wall of the telescopic box (23). The inner ring of the bearing (27) is fixedly connected to the outer wall of the threaded rod (26).

2. The positioning structure of a galvanizing machine according to claim 1, characterized in that: The movable mechanism (21) includes a base plate (211). The top of the base plate (211) is fixedly connected to the bottom of the galvanizing machine (1). A spherical ball groove (212) is formed inside the base plate (211). A movable steel ball (213) is movably installed in the inner cavity of the spherical ball groove (212). The bottom of the movable steel ball (213) penetrates through the bottom of the base plate (211) and is fixedly connected to the top end of the fixed column (22). A threaded hole (214) is formed on one side of the base plate (211). The threaded hole (214) communicates with the inner cavity of the spherical ball groove (212). A limit screw rod (215) is threadedly installed in the inner ring of the threaded hole (214). A knob (216) is fixedly installed at the end of the limit screw rod (215) away from the base plate (211).

3. The positioning structure of a galvanizing machine according to claim 1, wherein: The filtrate mechanism (3) includes a mounting plate (31), a filtering mechanism (34), and a liquid suction pipe (35). The mounting plate (31) is fixedly installed at the rear left side of the galvanizing machine (1). The filtering mechanism (34) is located on the front side of the mounting plate (31). A water pump (32) is fixedly installed at the top of the mounting plate (31). The output end of the water pump (32) is fixedly connected to an infusion pipe (33). The output end of the infusion pipe (33) is located above the galvanizing machine (1). A plurality of input ports are formed on one side of the liquid suction pipe (35). A liquid suction box (36) is fixedly connected to one side of each of the plurality of input ports. A plurality of liquid suction ports (37) are fixedly connected to the bottom of each of the plurality of liquid suction boxes (36). A triangular top plate (38) is fixedly installed at the top of each of the plurality of liquid suction ports (37).

4. The positioning structure of a galvanizing machine according to claim 3, characterized in that: The filtering mechanism (34) includes a filtering box (341). A crushing box is fixedly connected to the bottom of the filtering box (341) in a penetrating manner. A driving box (342) is fixedly installed on the left side of the crushing box. A motor (343) is fixedly installed on the left side of the driving box (342). The output shaft of the motor (343) penetrates into the inner cavity of the driving box (342) and is fixedly installed with a first gear (344). A rotating rod (345) is movably installed above the left side of the inner wall of the driving box (342). A second gear (346) is fixedly installed on the outer wall of the rotating rod (345). The second gear (346) meshes with the first gear (344). The rotating rod (345) and the rightmost end of the output shaft of the motor (343) both penetrate into the inner cavity of the crushing box and are both fixedly installed with crushing blades (347). The output end of the liquid suction pipe (35) communicates with the inner cavity of the crushing box.

5. A galvanizing machine positioning structure according to claim 4, characterized in that: Slope guide blocks (3411) are fixedly installed on the rear side of the top inner wall and the front side of the bottom inner wall of the filtering box (341). Card slots (3412) are formed on the opposite surfaces of the two slope guide blocks (3411). A threaded installation groove (3413) penetrating the inner cavity is formed on the front side of the filtering box (341). Filter plate grooves (3414) are formed on the upper and lower sides of the inner ring of the threaded installation groove (3413). A threaded knob (3415) is threadedly installed in the inner ring of the threaded installation groove (3413).

6. The positioning structure of a galvanizing machine according to claim 5, wherein: A filtering plug board (3416) is movably installed at the right end of the threaded knob (3415). A filter screen (3417) is fixedly installed on one side of the inner ring of the filtering plug board (3416). The right end of the filtering plug board (3416) penetrates through the filter plate groove (3414) into the inner cavity of the filtering box (341). The upper and lower sides of the filtering plug board (3416) are respectively clamped with the two card slots (3412). A connecting pipe (3418) is fixedly connected to the top of the filtering box (341). The output end of the connecting pipe (3418) is fixedly connected to the input end of the water pump (32).

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