Multi-stage slurry preparation device
By precisely controlling the second electric motor and the switching sleeve, combined with the design of the water pump and delivery pipe, the mechanical complexity and low efficiency of traditional slurry mixing devices are solved, realizing efficient, flexible and rapid raw material switching supply for multi-stage slurry mixing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-04-10
AI Technical Summary
Traditional slurry mixing devices suffer from problems such as complex mechanical coordination, large space occupation, need for manual intervention and control, and low flexibility and efficiency in multi-stage slurry mixing processes.
The switching mechanism, consisting of a second electric motor, a switching sleeve, and a stabilizing block, controls the rotation angle and speed of the switching sleeve through precise meshing of gears and gear rings. Combined with the design of water pumps, delivery pipes, and telescopic pipes, it enables the orderly switching and supply of different storage tanks.
It improves the flexibility and efficiency of pulp preparation, reduces energy loss and cost, and enables efficient and rapid switching and mixing of multi-stage pulp preparation.
Smart Images

Figure CN224100485U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a slurry preparation equipment technical field especially, it relates to a multistage slurry preparation device. BACKGROUND
[0002] In the production of paper pulp tableware, the slurry preparation link plays a decisive role in the quality and production efficiency of many products, which includes a multistage slurry preparation step. However, reviewing the existing slurry preparation technology and device, it is not difficult to find that the slurry preparation device has a series of problems to be solved as follows:
[0003] The traditional slurry preparation device often uses a series connection to achieve multistage slurry preparation, and parallel connection is achieved through an extended pipeline and a conveying pump. Valves are arranged on the basis of the extended pipeline, and the effect of conveying different raw materials and slurry preparation is achieved by the on-off of the conveying pump and the valves. Therefore, the above-mentioned slurry preparation device has the defects of complex and inefficient mechanical cooperation. The conveying mode not only occupies a large space during operation, but also needs manual intervention to control the opening and closing of the valves, which reduces the flexibility and production efficiency of slurry preparation and increases the labor of manual intervention. SUMMARY
[0004] The utility model discloses a multistage slurry preparation device, second electric motor, switching sleeve and stable block constitute switching mechanism, can accurate control switching sleeve's rotation angle and speed, switching sleeve's basis is provided with the storage tank of different position, switching sleeve rotates and drives the storage tank switching position, and the slurry preparation structure can convey the raw materials in the storage tank of different positions to the mixing tank, so that the different storage tanks can be aligned to the slurry preparation structure in turn, realizing the orderly switching supply of different slurry and ingredients, and realizing the effect of multistage slurry preparation.
[0005] The first aspect of the present disclosure provides a multistage slurry preparation device, specifically comprising: a mixing tank, a first electric motor and a water pump are installed above the mixing tank, a stirrer is installed inside the mixing tank, the drive shaft of the first electric motor is connected above the stirrer, the first electric motor and the stirrer cooperatively constitute a mixing mechanism, a switching sleeve is installed outside the mixing tank, a group of storage tanks arranged in a ring array are installed outside the switching sleeve, a sealing cover is installed above the storage tanks, a positioning sleeve is arranged in the middle of the sealing cover, a first docking sleeve is installed inside the positioning sleeve, the first docking sleeve is a cylindrical stepped structure, the first docking sleeve extends to the bottom of the storage tank, and a group of slurry preparation structures are installed between the water pump and the first docking sleeve.
[0006] Further, the outer side of the mixing tank is provided with a positioning ring, the positioning ring is a stepped structure, the cross section of the positioning ring is an L-shaped structure, a group of balls are installed in the positioning ring, a support ring is installed at the upper position of the inner side of the positioning ring, the bottom of the support ring is in contact with the balls, and the bottom of the switching sleeve is in contact with the support ring.
[0007] Further, the upper position of the mixing tank is provided with a stable frame, a second electric motor is installed at the upper position of the stable frame, a group of bolt installation holes are formed between the second electric motor and the stable frame, a gear is installed at the bottom position of the driving shaft of the second electric motor, a gear ring is arranged at the upper position of the switching sleeve, and the gear is in mesh with the gear ring.
[0008] Further, the outer side of the switching sleeve is provided with a group of stable blocks, a stepped groove is formed at the upper position of the stable block, the stepped groove is a V-shaped structure, an installation plate is arranged at the outer side of the storage tank, the installation plate is installed at the position of the stepped groove, a group of bolt installation holes are formed at the two sides of the installation plate and the stable block, and the second electric motor, the switching sleeve and the stable block cooperatively form a switching mechanism.
[0009] Further, the positioning sleeve of the sealing cover is provided with a blocking ring at the inner side, one side of the sealing cover is provided with a grouting hole, and a sealing plug is installed at the position of the grouting hole.
[0010] Further, the two sides of the second connecting sleeve are respectively provided with a transverse positioning rod, a sliding hole is formed at the two sides of the second conveying pipe, the positioning rod penetrates the inner side of the sliding hole, a supporting spring and a positioning snap spring are installed at the outer side position of the positioning rod, and a first conveying pipe is arranged at the upper position of the water pump.
[0011] Further, the bottom position of the water pump is provided with a discharge pipe, an installation hole is formed in one side of the mixing tank, the discharge pipe penetrates the inner side of the installation hole, a second conveying pipe is installed at the upper position of the first connecting sleeve, a telescopic pipe is installed at one side of the second conveying pipe, a second connecting sleeve in an integral structure is arranged at one side of the telescopic pipe, the water pump, the first conveying pipe, the second conveying pipe, the telescopic pipe, the second connecting sleeve and the positioning rod cooperatively form a grouting structure, and a blocking ring is arranged at the inner side of the second connecting sleeve.
[0012] The multi-stage grouting device has the following beneficial effects:
[0013] The switching mechanism composed of the second electric motor, the switching sleeve and the stable block is arranged, accurate meshing transmission of the gear and the gear ring can accurately control the rotating angle and speed of the switching sleeve, the storage tanks in different positions are arranged on the switching sleeve, and the storage tanks are switched in position when the switching sleeve rotates (the storage tank is used for storing raw material slurry and ingredients);
[0014] The slurry mixing structure composed of the water pump, the first conveying pipe, the second conveying pipe, the telescopic pipe and the second butt joint sleeve can convey raw materials in the storage tanks at different positions to the mixing tank (a mixing mechanism is arranged on the basis of the mixing tank to fully mix the raw materials), so that the different storage tanks can be aligned to the slurry mixing structure in sequence, the orderly switching supply of different slurries and ingredients is realized, and the multi-stage slurry mixing device is composed to realize the effect of multi-stage slurry mixing.
[0015] The switching mechanism reduces the energy loss and cost of multi-stage slurry mixing, and the switching mechanism enables the switching operation of the storage tank to be fast and accurate, can flexibly and efficiently switch different raw material storage tanks according to a slurry mixing formula, greatly improves the flexibility and production efficiency of slurry mixing, and can adapt to diversified slurry mixing demands. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.
[0017] The drawings described below only relate to some embodiments of the present application, and are not a limitation of the present application.
[0018] In the drawings:
[0019] Figure 1 A schematic view of the axial side structure of the multi-stage slurry mixing device of the present application after assembly is shown.
[0020] Figure 2 A schematic view of the axial side structure of the switching sleeve and the slurry mixing structure of the present application is shown.
[0021] Figure 3 A schematic view of the axial side structure of the multi-stage slurry mixing device of the present application is shown.
[0022] Figure 4 A schematic view of the axial side structure of the multi-stage slurry mixing device of the present application is shown. Figure 3
[0023] Figure 5 A schematic view of the axial side structure of the multi-stage slurry mixing device of the present application is shown.
[0024] Figure 6 A schematic view of the axial side structure of the multi-stage slurry mixing device of the present application is shown.
[0025] Figure 7 A schematic view of the axial side structure of the multi-stage slurry mixing device of the present application is shown.
[0026] Figure 8 A schematic view of the axial side structure of the multi-stage slurry mixing device of the present application is shown. Figure 2
[0027] LIST OF REFERENCE NUMERALS
[0028] 1, mixing tank; 101, positioning ring; 102, support ring;
[0029] 2, mixing mechanism; 201, first electric motor; 202, stirrer;
[0030] 3, switching mechanism; 301, second electric motor; 302, switching sleeve; 303, stabilizing block;
[0031] 4, storage tank; 401, sealing cover;
[0032] 5, first docking sleeve;
[0033] 6, grout distribution structure; 601, water pump; 602, first conveying pipe; 603, second conveying pipe; 604, telescopic pipe; 605, second docking sleeve; 606, positioning rod. DETAILED DESCRIPTION
[0034] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0035] Embodiment one: please refer to Figures 1 to 8 :
[0036] The utility model provides a kind of multistage proportioning device, comprising: mixing tank 1, the upper position of mixing tank 1 is installed a first electric motor 201, a water pump 601, the inside of mixing tank 1 is installed a stirrer 202, the upper portion of stirrer 202 and the drive shaft of first electric motor 201 are connected, referring to wedge key positioning structure in prior art, the upper portion of stirrer 202 and the drive shaft of first electric motor 201 are stably connected, control first electric motor 201 drives stirrer 202 to rotate, first electric motor 201, stirrer 202 cooperatively constitute mixing mechanism 2, the outside of mixing tank 1 is installed a switching sleeve 302, the outside of mixing tank 1 is equipped with a positioning ring 101, positioning ring 101 is ladder structure, the section of positioning ring 101 is L-shaped structure, a group of ball bearings are installed in the inside of positioning ring 101, the inside of positioning ring 101 is installed a support ring 102 in upper position, the bottom of support ring 102 and ball bearing contact, the bottom of switching sleeve 302 and support ring 102 contact, support ring 102 cooperates ball bearing to reduce friction when switching sleeve 302 rotates, so that switching sleeve 302 can rotate smoothly, also reduce energy loss in the process of device operation;
[0037] In the embodiment of the present disclosure, as shown in the figure, Figures 1 to 8 The outside of switching sleeve 302 is installed a group of annular array distribution storage tanks 4, the storage tank 4 is used to store different slurry and ingredients, a sealing cover 401 is installed in the upper position of storage tank 4, a stable frame is provided in the upper position of mixing tank 1, a second electric motor 301 is installed in the upper position of stable frame, a group of bolt mounting holes are provided between second electric motor 301 and stable frame, the operator needs to install matching bolts in the position of bolt mounting hole, after bolt installation, it can realize the effect of stable installation position of second electric motor 301, a gear is installed in the bottom position of the drive shaft of second electric motor 301, a gear ring is provided in the upper position of switching sleeve 302, gear and gear ring are engaged, so that second electric motor 301 can drive switching sleeve 302 to rotate, it is concluded that this transmission mode has accurate transmission ratio, can accurately control the rotation angle and speed of switching sleeve 302, so that the switching operation of storage tank 4 is more accurate and efficient, it is convenient to quickly switch different raw material storage tanks 4 according to slurry proportioning demand, improve the flexibility and production efficiency of slurry proportioning;
[0038] In the embodiment of the present disclosure, as shown in the figure, Figures 1 to 8As shown, the middle position of the sealing cover 401 is provided with a positioning sleeve, and a first docking sleeve 5 is installed in the inner side of the positioning sleeve. The first docking sleeve 5 has a cylindrical stepped structure. The inner side of the positioning sleeve of the sealing cover 401 is provided with a retaining ring. The retaining ring cooperates with the positioning sleeve to achieve the effect of positioning the installation position of the first docking sleeve 5. One side of the sealing cover 401 is provided with a grouting hole. The slurry is added into the inside of the storage tank 4 through the grouting hole. A sealing plug is installed at the position of the grouting hole. It is concluded that the design of the grouting hole facilitates the addition of the slurry, and the sealing plug effectively prevents the leakage of the slurry in the storage tank 4 and the mixing of foreign matters from the outside. The first docking sleeve 5 extends to the bottom position of the storage tank 4. A group of slurry mixing structures 6 are installed between the water pump 601 and the first docking sleeve 5. The outer side of the switching sleeve 302 is provided with a group of stabilizing blocks 303. A stepped groove is formed in the upper position of the stabilizing block 303. The stepped groove has a N-shaped structure. The outer side of the storage tank 4 is provided with a mounting plate. The mounting plate is installed at the position of the stepped groove. A group of bolt mounting holes are respectively formed in the two sides of the mounting plate and the stabilizing block 303. The second electric motor 301, the switching sleeve 302, and the stabilizing block 303 cooperatively constitute a switching mechanism 3. The operator needs to install a matching bolt at the position of the bolt mounting hole. After the bolt is installed, the switching sleeve 302 and the storage tank 4 can be stably assembled. When the switching sleeve 302 rotates, the storage tank 4 can be driven to rotate. It is concluded that the switching sleeve 302 drives the storage tank 4 to rotate, so that different storage tanks 4 can be aligned with the slurry mixing structure 6 in turn, realizing the orderly switching and supply of different slurries and ingredients, and providing reliable structural protection for the smooth progress of multi-stage slurry mixing.
[0039] In the embodiments of the present disclosure, reference is made to Figures 1 to 8 As shown, the two sides of the second docking sleeve 605 are respectively provided with a transverse positioning rod 606. A sliding hole is formed in the two sides of the second conveying pipe 603. The positioning rod 606 penetrates the inside of the sliding hole. The positioning rod 606 cooperates with the sliding hole to achieve the circumferential and transverse positioning effect between the second conveying pipe 603 and the second docking sleeve 605. A supporting spring and a positioning snap spring are installed at the outer side of the positioning rod 606. The supporting spring supports the reset of the telescopic pipe 604 and the second docking sleeve 605, ensures the consistency of the connection structure during each slurry mixing, and can also buffer the impact force in the slurry conveying process to a certain extent. A first conveying pipe 602 is arranged at the upper position of the water pump 601. The first docking sleeve 5, the first conveying pipe 602, and the second conveying pipe 603 are respectively selected from the rigid materials in the prior art. The materials can be plastic and stainless metal in the prior art.
[0040] In the embodiments of the present disclosure, reference is made to Figures 1 to 8As shown, the bottom of the water pump 601 is provided with a discharge pipe, one side of the mixing tank 1 is provided with a mounting hole, the discharge pipe penetrates the inside of the mounting hole, the upper position of the first connecting sleeve 5 is provided with a second conveying pipe 603, one side of the second conveying pipe 603 is provided with an elastic pipe 604, the elastic pipe 604 is made of rubber material which has good elasticity and long service life in the prior art, the specific structure of the elastic pipe 604 refers to the bending structure of the drain pipe in the prior art, one side of the elastic pipe 604 is provided with a second connecting sleeve 605 in an integrated structure, the water pump 601, the first conveying pipe 602, the second conveying pipe 603, the elastic pipe 604, the second connecting sleeve 605 and the positioning rod 606 cooperatively form a mixing structure 6, when the first conveying pipe 602, the second conveying pipe 603, the elastic pipe 604 and the second connecting sleeve 605 are connected with each other, the water pump 601 is powered on, at this time, the first connecting sleeve 5 generates suction, then the raw material slurry in the storage tank 4 can enter the inside of the mixing tank 1 through the mixing structure 6 and mix, the second connecting sleeve 605 is made of hard material in the prior art, and the material can be plastic and stainless metal in the prior art, the inner side of the second connecting sleeve 605 is provided with a blocking ring, when the slurry in the storage tank 4 is conveyed into the inside of the mixing tank 1 by the water pump 601, part of the slurry will impact the blocking ring, so that the second connecting sleeve 605 generates a pressing force, at this time, a physical automatic sealing structure is formed between the first conveying pipe 602 and the second connecting sleeve 605, the physical sealing structure is simple and reliable, without additional sealing device, so as to avoid slurry leakage between the first conveying pipe 602 and the second connecting sleeve 605, the mixing tank 1, the positioning ring 101, the supporting ring 102, the first electric motor 201, the stirrer 202, the second electric motor 301, the switching sleeve 302, the stabilizing block 303, the storage tank 4, the sealing cover 401, the first connecting sleeve 5, the water pump 601, the first conveying pipe 602, the second conveying pipe 603, the elastic pipe 604, the second connecting sleeve 605 and the positioning rod 606 cooperatively form a multi-stage mixing device.
[0041] In example two, on the basis of example one, referring to Figures 1 to 8 As shown, the model of the first electric motor 201 and the second electric motor 301 is the finished product structure in the prior art, and the specific model is selected according to the size of the device and the weight of the mixing slurry, the second electric motor 301 is a servo motor in the prior art, and the driving parameters of the second electric motor 301 are set by referring to the prior art, so that the switching sleeve 302 and the storage tank 4 stop rotating when the first conveying pipe 602, the second conveying pipe 603, the elastic pipe 604 and the second connecting sleeve 605 are connected with each other.
[0042] In example three, on the basis of example one, referring to Figures 1 to 8As shown, a discharge pipe is installed at the bottom of the mixing tank 1, and a prior art ball valve is installed on the discharge pipe;
[0043] The working principle of this embodiment:
[0044] First, the multi-stage mixing device is assembled. The operator installs a set of ball bearings inside the positioning ring 101, and installs a support ring 102 on the upper inner side of the positioning ring 101, ensuring the bottom of the support ring 102 contacts the ball bearings. The first electric motor 201 and water pump 601 are then mounted on the support frame and secured firmly using matching bolts through the bolt mounting holes. An agitator 202 is installed inside the mixing tank 1. Referring to the wedge-key positioning structure in existing technology, the top of the agitator 202 is securely connected to the drive shaft of the first electric motor 201. A switching sleeve 302 is installed on the outer side of the mixing tank 1, ensuring the bottom of the switching sleeve 302 contacts the support ring 101. 2. In the contact, a second electric motor 301 is installed on the stabilizing frame above the mixing tank 1. The gear at the bottom of the drive shaft of the second electric motor 301 is engaged with the gear ring above the switching sleeve 302. The mounting plate on the outer side of the storage tank 4 is installed into the stepped groove of the stabilizing block 303. The storage tank 4 is fixed to the stabilizing block 303 using matching bolts through the bolt mounting holes. A first docking sleeve 5 is installed inside the positioning sleeve at the middle position of the sealing cover 401 above the storage tank 4. A second conveying pipe 603 is installed above the first docking sleeve 5. A telescopic pipe 604 is installed on one side of the second conveying pipe 603. An integral second docking sleeve 605 is installed on one side of the telescopic pipe 604.
[0045] The operator opens the sealing cover 401 on top of each storage tank 4 in sequence, and slowly adds different slurries and ingredients into the corresponding storage tank 4 through the grouting hole on one side of the sealing cover 401. After the raw materials are added, the sealing plug is installed at the grouting hole in time.
[0046] The operator starts the second electric motor 301 and controls the second electric motor 301 to make the switching sleeve 302 drive the storage tank 4 to rotate. As needed, the driving parameters of the second electric motor 301 are adjusted to ensure that the rotation angle and speed are accurate.
[0047] According to the formula and requirements of the pulp preparation, the operator controls the second electric motor 301 to drive the switching sleeve 302 to rotate, so that the storage tank 4 containing the corresponding raw materials is aligned with the pulp preparation structure 6. When the first conveying pipe 602, the second conveying pipe 603, the telescopic pipe 604, and the second docking sleeve 605 are connected to each other, the second electric motor 301 stops working.
[0048] The operator starts the water pump 601, at this time, the first joint sleeve 5 generates suction, the raw material slurry in the storage tank 4 enters the mixing tank 1 through the slurry preparation structure 6 composed of the first joint sleeve 5, the first conveying pipe 602, the second conveying pipe 603, the telescopic pipe 604 and the second joint sleeve 605;
[0049] At the same time when the raw material slurry enters the mixing tank 1, the first electric motor 201 is started to drive the stirrer 202 to rotate, and various raw materials entering the mixing tank 1 are stirred and mixed;
[0050] According to the above steps, different storage tanks 4 are switched in sequence, different raw material slurries are added into the mixing tank 1, and the conveying and mixing operations are repeated until the slurry preparation of all levels is completed, and finally the mixed slurry is collected through the bottom of the mixing tank 1.
[0051] In this paper, the following points need to be noted:
[0052] 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the general design.
[0053] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined to obtain new embodiments.
[0054] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.
Claims
1. A multi-proportioning slurry device, comprising: The mixing tank (1), the storage tank (4) and the grouting structure (6), the upper position of the mixing tank (1) is provided with a first electric motor (201) and a water pump (601), the inside of the mixing tank (1) is provided with a stirrer (202), the upper position of the stirrer (202) is connected with the driving shaft of the first electric motor (201), the first electric motor (201) and the stirrer (202) cooperatively constitute a mixing mechanism (2), characterized in that, the outside of the mixing tank (1) is provided with a switching sleeve (302), the outside of the switching sleeve (302) is provided with a group of annular array distribution storage tanks (4), the upper position of the storage tank (4) is provided with a sealing cover (401), the middle position of the sealing cover (401) is provided with a positioning sleeve, the inside of the positioning sleeve is provided with a first docking sleeve (5), the first docking sleeve (5) is a cylindrical stepped structure, the first docking sleeve (5) extends to the bottom position of the storage tank (4), a group of grouting structures (6) are arranged between the water pump (601) and the first docking sleeve (5).
2. The multi-stage grouting device according to claim 1, wherein the outside of the mixing tank (1) is provided with a positioning ring (101), a group of balls are arranged in the inside of the positioning ring (101), a support ring (102) is arranged at the upper position of the inside of the positioning ring (101), the bottom of the support ring (102) is in contact with the balls, and the bottom of the switching sleeve (302) is in contact with the support ring (102).
3. The multi-stage grouting device according to claim 1, wherein the upper position of the mixing tank (1) is provided with a stable frame, a second electric motor (301) is arranged at the upper position of the stable frame, a group of bolt mounting holes are arranged between the second electric motor (301) and the stable frame, a gear is arranged at the bottom position of the driving shaft of the second electric motor (301), a gear ring is arranged at the upper position of the switching sleeve (302), and the gear is engaged with the gear ring.
4. The multi-stage grouting device according to claim 1, wherein the outside of the switching sleeve (302) is provided with a group of stable blocks (303), a stepped groove is arranged at the upper position of the stable block (303), an installation plate is arranged at the outside of the storage tank (4), the installation plate is arranged at the position of the stepped groove, a group of bolt mounting holes are arranged at the two sides of the installation plate and the stable block (303) respectively, and the second electric motor (301), the switching sleeve (302) and the stable block (303) cooperatively constitute a switching mechanism (3).
5. The multi-stage grouting device according to claim 1, wherein the positioning sleeve of the sealing cover (401) is provided with a blocking ring at the inside, one side of the sealing cover (401) is provided with a grouting hole, and a sealing plug is arranged at the position of the grouting hole.
6. The multi-stage grouting device according to claim 1, wherein The bottom position of the water pump (601) is provided with a discharge pipe, one side of the mixing tank (1) is provided with an installation hole, the discharge pipe penetrates the inside of the installation hole, the upper position of the first butt joint sleeve (5) is provided with a second conveying pipe (603), one side of the second conveying pipe (603) is provided with an extension pipe (604), one side of the extension pipe (604) is provided with a second butt joint sleeve (605) in an integral structure, the water pump (601), the first conveying pipe (602), the second conveying pipe (603), the extension pipe (604), the second butt joint sleeve (605) and the positioning rod (606) cooperatively constitute a grouting structure (6), and the inner side of the second butt joint sleeve (605) is provided with a blocking ring.
7. The multi-stage grouting device according to claim 6, characterized in that, The two sides of the second butt joint sleeve (605) are respectively provided with a transverse positioning rod (606), the two sides of the second conveying pipe (603) are provided with a sliding hole, the positioning rod (606) penetrates the inside of the sliding hole, the outer side position of the positioning rod (606) is provided with a supporting spring and a positioning snap spring, and the upper position of the water pump (601) is provided with a first conveying pipe (602).