A self-controlled self-priming pump with variable position

Abstract

The present invention relates to the technical field of self-controlled self-priming pumps, and specifically relates to a self-controlled self-priming pump with adjustable position, including a pump body that can be conveniently adjusted to a horizontal state for use. The self-controlled self-priming pump with adjustable position further includes a horizontal adjustment assembly, which is pre-adjusted to a horizontal state and is used to provide horizontal support for the pump body after changing the position of the pump body, and a temporary support assembly, which is arranged outside the horizontal adjustment assembly. The temporary support assembly provides temporary support by fitting the bottom of the pump body, facilitating the horizontal adjustment assembly not to provide support for the pump body during the process of adjusting the level. In the present invention, by controlling the support screw to abut against the L-shaped fitting plate, the L-shaped fitting plate drives the assembled plate to rotate through the rotating shaft, and the linkage plate and the connecting block are coordinated through the rotating rod and the hinge to finely adjust the ring, and the ring is adjusted to a horizontal state, facilitating adjusting the pump body to a horizontal state before using the pump body in the later stage and then using it.

Description

Technical Field

[0001] The invention relates to the technical field of self-controlled self-priming pumps, in particular to a self-controlled self-priming pump capable of changing position. Background Art

[0002] As a centrifugal pump with self-priming function, the automatic self-priming pump is the most ideal product to replace the original long-axis submersible pump, submersible pump, submersible sewage pump, etc. The pump body is mostly made of stainless steel, reinforced polypropylene, cast steel and other materials, and has many advantages such as temperature resistance, pressure resistance and wear resistance.

[0003] When using an automatic self-priming pump, most of them are placed in the desired position. In order to ensure that the automatic self-priming pump can work normally, the automatic self-priming pump needs to be adjusted to a horizontal state before use to avoid problems such as penetration and inability to fully exert its performance. When adjusting it to a horizontal state, most of them rely on manual pushing to tilt the automatic self-priming pump and fill pads at the bottom to make it in a horizontal state. This adjustment method not only requires multiple people to cooperate in adjusting the position of the automatic self-priming pump, but also requires multiple debugging to adjust it to a horizontal state, which is inconvenient and needs to be improved. Summary of the invention

[0004] The object of the present invention is to provide a self-controlled self-priming pump capable of changing position, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a position-adjustable self-priming pump, comprising a pump body that can be conveniently adjusted to a horizontal state for use, and the position-adjustable self-priming pump also includes:

[0006] A horizontal adjustment component, which is adjusted to a horizontal state in advance and is used to provide horizontal support for the pump body after the position of the pump body is changed;

[0007] A temporary support component is arranged outside the horizontal adjustment component, and the temporary support component provides temporary support by fitting to the bottom of the pump body, so that the horizontal adjustment component does not need to provide support for the pump body during the level adjustment process;

[0008] The temporary supporting assembly comprises a rotating frame and a plurality of fixed frames, the rotating frame is movably sleeved on the outer walls of the plurality of fixed frames, and the fixed frames are provided with a supporting bottom plate capable of supporting the pump body;

[0009] The bottom end of the bottom support plate is provided with a support block, the support block can support the bottom support plate in a horizontal state, and the support block is sleeved on the outer wall of the rotating frame, and the rotating frame is provided with a plurality of levers that can pry the support block to move;

[0010] The support assembly is provided on the temporary support assembly and the horizontal adjustment assembly and provides a support effect for them.

[0011] The horizontal adjustment assembly includes a ring, a support frame, and several sliding mounting plates. The inner sidewall of the inner circle of the ring has a concave support surface, which can support the pump body after being adjusted to a horizontal state. The ring is also equipped with a level, and during the adjustment of the ring, it is possible to observe whether the level is in a horizontal state and adjust the ring in a timely manner.

[0012] The support frame has several mounting brackets. Each mounting bracket has a rotatable rotating shaft. The rotating shaft has an assembly plate and a linkage plate. The assembly plate and the linkage plate can rotate synchronously during the rotation of the rotating shaft. The linkage plate has a fixed block, and the fixed block has a rotatable rotating rod. The rotating rod has a connecting block, and the connecting block is connected to the ring, and the ring can be adjusted to a horizontal state during the control of the rotation of the rotating shaft.

[0013] Each sliding mounting plate has two slidable adjustment plates. A connecting plate is jointly installed on the two adjustment plates. The connecting plate has a support screw, and the position of the connecting plate can be adjusted by the sliding of the adjustment plates.

[0014] The top ends of the sliding mounting plates each have two insertion components, which are respectively located at the top ends of the two adjustment plates. The adjustment plates can be restricted from further moving through the insertion components.

[0015] An L-shaped fitting plate is attached to the support screw. The L-shaped fitting plate is sleeved with the assembly plate. The rotation amplitude of the L-shaped fitting plate and the assembly plate can be restricted by the rotation of the support screw.

[0016] The ring has several anti-tipping plates, which can prevent the pump body from shaking excessively and tipping over during the process of lifting and moving positions.

[0017] The support assembly includes a support base and a fixed ring. The central position of the support base has several buffer elements, which can facilitate the lifting movement of the pump body through the buffer elements. The bottom end of the support base has a base, and the support base can be easily pushed to shift through the base.

[0018] The support base has a support chute, and several support columns are slidably installed in the support chute. The support columns are connected to the bottom ends of the support frames. By the sliding of the support columns in the support chute, the smooth rotation of the support frames can be ensured.

[0019] Therefore, the support base has a tray, and the tray can support the rotating frame and the fixed frame.

[0020] The fixed ring is provided with a guiding groove, and the guiding groove is circular in shape. One end of the sliding mounting plate extends into the guiding groove, enabling the sliding mounting plate to perform circular motion.

[0021] The plug-in assembly is composed of a fixed plate and a plug-in rod. The plug-in rod penetrates through the fixed plate and extends to the bottom end of the fixed plate;

[0022] The top end of the adjusting plate has a number of plug-in holes for plugging and fixing the plug-in rod.

[0023] The outer wall of the support screw is provided with a number of nuts that can provide an anti-breaking function for the support screw.

[0024] The rotating frame is composed of a rotating ring, a connecting ring, and a number of support rods. The upper and lower ends of the support rods are fixedly connected to the rotating ring and the connecting ring respectively. A number of the strip-shaped blocks are fixedly installed on the outer wall of the rotating ring.

[0025] The sliding mounting plate is composed of two L-shaped fixing frames and an arc-shaped plate. The two L-shaped fixing frames are connected into a whole through the arc-shaped plate, and the width dimension of the short head parts of the two L-shaped fixing frames is the same as the width dimension of the guiding groove.

[0026] Compared with the prior art, the beneficial effects of the present invention are:

[0027] By controlling the support screw to abut against the L-shaped fitting plate, the L-shaped fitting plate drives the assembling plate to rotate through the rotating shaft, and the linkage plate and the connecting block cooperate through the rotating rod and the hinge to finely adjust the circular ring and adjust the circular ring to a horizontal state, which is convenient for changing the position of the pump body and adjusting it to a horizontal state before using the pump body in the later stage.

[0028] By supporting the bottom plate with the support block and then temporarily placing the pump body on the top end of the bottom plate, it is convenient that during the process of adjusting the circular ring to a horizontal state, there is no need to provide a supporting effect on the pump body, avoiding the need for horizontal adjustment of the circular ring during the process of supporting the pump body due to the excessive weight of the pump body.

[0029] By rotating the rotating frame, the strip-shaped blocks on the rotating frame can be driven to move the support block to disconnect the supporting effect of the support block on the bottom plate, which is convenient for the staff to transfer the pump body to the circular ring for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a schematic diagram of the overall structure of the present invention.

[0031] Figure 2 is a schematic diagram of the base structure of the present invention.

[0032] Figure 3 is a schematic diagram of the partial structure decomposition of the present invention.

[0033] Figure 4 Schematic diagram of the installation structure of the horizontal adjustment component of the present invention.

[0034] Figure 5 Schematic diagram of the structure of the support component of the present invention.

[0035] Figure 6 Schematic diagram of the structure of the horizontal adjustment component of the present invention.

[0036] Figure 7 Schematic diagram of the partial structure of the horizontal adjustment component of the present invention.

[0037] Figure 8 Schematic diagram of the circular ring structure of the present invention.

[0038] Figure 9 Schematic diagram of the structure of the temporary support component of the present invention.

[0039] Figure 10 For the present invention Figure 9 Schematic diagram of the structure at position A.

[0040] In the figure: 1, base; 2, support component; 3, buffer element; 4, temporary support component; 5, horizontal adjustment component; 6, pump body; 7, fixing frame; 8, supporting bottom plate; 9, support block; 10, rotating frame; 11, bar; 12, circular ring; 13, supporting surface; 14, anti-tilting plate; 15, level gauge; 16, sliding mounting plate; 17, adjusting plate; 18, inserting component; 19, connecting plate; 20, supporting screw; 21, mounting frame; 22, rotating shaft; 23, assembling plate; 24, L-shaped fitting plate; 25, linkage plate; 26, fixing block; 27, rotating rod; 28, connecting block; 29, support frame; 30, support seat; 31, support chute; 32, tray; 33, fixing ring; 34, guiding groove; 35, support column. Detailed implementation manners

[0041] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0042] Please refer to Figures 1 to 10The present invention provides a technical solution: a self-controlled self-priming pump with a changeable position, which is used to change the position of the self-controlled self-priming pump so that it can be adjusted to a horizontal state before use, including a base 1, a battery is arranged on the base 1, and the battery is connected to the hydraulic push rod on the base 1 through a line. A plurality of universal wheels with self-locking function in the prior art are installed at the bottom end of the base 1, and the universal wheels can be used to facilitate the base 1 to be moved to a desired position for use. A support assembly 2 is arranged at the top center position of the base 1, and the support assembly 2 includes a support seat 30, and a groove is arranged at the top center position of the support seat 30, and a plurality of buffer elements 3 are fixedly installed in the groove, and the buffer elements 3 are all made of the prior art. The hydraulic push rod in the operation is made, and a mounting plate is installed on the top of the hydraulic push rod, a rubber pad is fixedly installed on the top of the mounting plate, a supporting slide groove 31 is arranged on the top of the support seat 30, and the supporting slide groove 31 is a circular slide groove. The supporting slide groove 31 is located on the periphery of the three buffer elements 3 to avoid directly controlling the pump body 6 to fall onto the circular ring 12 after the circular ring 12 is adjusted to a horizontal state, causing damage to the circular ring 12. A tray 32 is fixedly installed on the outer wall of the support seat 30, and a fixing ring 33 is arranged below the tray 32. The fixing ring 33 is fixedly installed on the top of the base 1, and a guide groove 34 is arranged on the fixing ring 33. The guide groove 34 is a circular groove, which is pushed and installed by the hydraulic push rod The plate moves upward, which can facilitate the control of the lifting movement of the pump body 6 during use. After the ring 12 and the supporting surface 13 are adjusted to a horizontal state, the pump body 6 is pushed upward by the buffer element 3 to make the pump body 6 break away from the contact between the bottom plate 8, and then the buffer element 3 is contracted to make the pump body 6 move downward to fit on the supporting surface 13 of the ring 12. A temporary supporting component 4 is arranged on the top of the tray 32, and a horizontal adjustment component 5 is arranged on the support seat 30. The top of the temporary supporting component 4 is provided with a pump body 6. The pump body 6 is an automatic self-priming pump in the prior art. The bottom end of the pump body 6 is provided with three openings that match the diameter size of the mounting plate of one of the structures composed of the buffer element 3. The mounting plate is made of a rubber plate to prevent the mounting plate from being unable to be placed in the opening at the bottom of the pump body 6 after the pump body 6 is adjusted to a horizontal state. After the mounting plate is placed in the opening at the bottom of the pump body 6, the pump body 6 can be prevented from rotating during use. The rubber pad on the mounting plate, which is one of the components of the buffer element 3, is placed inside the pump body 6 to prevent the vibration generated by the pump body 6 during use from excessively affecting the normal operation of the buffer element 3. The supporting surface 13 on the ring 12 provides support for the pump body 6 during its later use, to avoid relying solely on the buffer element 3 to provide support for the pump body 6, which results in a reduction in the service life of the hydraulic push rod, which is one of the components of the buffer element 3.

[0043] The horizontal adjustment assembly 5 includes a support frame 29, a circular ring 12, and a plurality of sliding mounting plates 16. A plurality of support columns 35 are provided at the bottom end of the support frame 29. The diameter of the support columns 35 is adapted to the support chute 31. By placing the support columns 35 into the support chute 31, it is convenient to ensure that the support frame 29 can perform circular motion during use. A plurality of mounting brackets 21 are provided at the top end of the support frame 29. Grooves are provided at the top ends of the mounting brackets 21, and a rotating shaft 22 is rotatably mounted in the grooves. Assembly plates 23 and linkage plates 25 are fixedly mounted on the outer walls of the rotating shafts 22. A fixing block 26 is provided at the top end of the linkage plate 25. A groove is provided at the top end of the fixing block 26, and a rotating rod 27 is rotatably mounted in the groove of the fixing block 26. A connecting block 28 is provided at the top end of the rotating rod 27, and the top ends of the connecting blocks 28 are connected to the circular ring 12 through hinges. A sleeve groove is provided on the assembly plate 23, and an L-shaped fitting plate 24 is movably mounted in the sleeve groove. By driving the rotating shaft 22 to rotate through the L-shaped fitting plate 24 and the assembly plate 23, the linkage plate 25 will rotate synchronously. At this time, the connecting block 28 located on the linkage plate 25 will fine-tune the position of the circular ring 12 during the upward movement, so that the circular ring 12 can be adjusted to a horizontal state.

[0044] A convex block is fixedly mounted on the outer wall of the circular ring 12, and a spirit level 15 is provided on the convex block. The spirit level 15 can adopt a tubular spirit level in the prior art. A concave bearing surface 13 is provided on the inner side wall of the inner circle of the circular ring 12, and the inner diameter of the inner circle of the circular ring 12 is the same as the bottom diameter of the pump body 6, which is convenient to stably mount the pump body 6 in the circular ring 12 and on the top of the bearing surface 13. A plurality of anti-tilting plates 14 are provided at the top end of the circular ring 12. By the vertically installed anti-tilting plates 14, it is convenient during use. The anti-tilting plates 14 can partially fit the outer wall of the pump body 6, so that the pump body 6 moves downward when being manipulated by the buffer element 3, guiding the pump body 6 to fall onto the bearing surface 13 of the circular ring 12, and preventing the pump body 6 from shaking excessively and tipping over during the process of lifting and moving the position.

[0045] The sliding mounting plate 16 is composed of two L-shaped fixing brackets and an arc plate. The two L-shaped fixing plates are connected into a whole through the arc plate. The width dimension of the short head part of the L-shaped fixing bracket is the same as the width dimension of the guiding groove 34. By placing the short head parts of the two L-shaped fixing brackets into the guiding groove 34, and the radian of the short head part of the L-shaped fixing plate is the same as the inner wall radian of the guiding groove 34, the L-shaped fixing plate can slide in the guiding groove 34. Chute grooves are provided at the tops of the two L-shaped fixing plates that make up the sliding mounting plate 16, and adjusting plates 17 are slidably mounted in both chute grooves. A connecting plate 19 is connected to the two adjusting plates 17 together, and a threaded through hole is provided on the connecting plate 19, and a support screw rod 20 is provided in the threaded through hole. The support screw rod 20 can be movably attached to the outer wall of the L-shaped fitting plate 24, and a number of nuts are movably sleeved on the outer wall of the support screw rod 20. By means of the nuts, it is convenient to avoid the situation that the waist of the support screw rod 20 is bent due to excessive force when the support screw rod 20 provides support to the L-shaped fitting plate 24. The tops of the two adjusting plates 17 are movably attached to insertion assemblies 18 respectively. The insertion assembly 18 is composed of a fixing plate and an insertion rod. The insertion rod penetrates through the fixing plate and extends below the fixing plate. A number of insertion holes for fixing the insertion rod are provided at the top of the adjusting plate 17. A through hole with a diameter size matching that of the insertion rod is also provided at the position of the sliding mounting plate 16 directly below the insertion rod. The insertion rod is made of a screw rod. According to the inclination of the base 1 in the actual use environment of the pump body 6, the adjusting plate 17 can be controlled to slide and adjust the distance from the pump body 6, so as to avoid the distance between the support screw rod 20 between the L-shaped fitting plate 24 and the connecting plate 19 being too large, resulting in excessive stress length of the support screw rod 20, providing protection for the support screw rod 20. And the position of the adjusting plate 17 is fixed by inserting the insertion rod on the insertion assembly 18 through the fixing plate and into the insertion hole on the adjusting plate 17, and the insertion rod is rotated to penetrate through the sliding mounting plate 16, the adjusting plate 17 and fit against the top of the base 1. The sliding mounting plate 16 is prevented from easily shifting in the guiding groove 34 by the frictional force between the bottom end of the insertion rod and the base 1.

[0046] According to the inclination of the base 1 during installation, the adjusting plate 17 is controlled to slide and adjust its position on the sliding mounting plate 16, and the position of the adjusting plate 17 is fixed by the insertion assembly 18. At this time, by controlling the rotation of the support screw rod 20, the support screw rod 20 abuts against the L-shaped fitting plate 24, so that the L-shaped fitting plate 24 drives the assembling plate 23 to rotate through the rotating shaft 22, and the linkage plate 25 on the rotating shaft 22 rotates synchronously. At this time, the connecting block 28 on the linkage plate 25 fine-tunes the ring 12 through the cooperation of the rotating rod 27 and the hinge, and adjusts the ring 12 to a horizontal state.

[0047] The temporary supporting assembly 4 includes a rotating frame 10 and several fixed frames 7. The fixed frames 7 are fixedly installed on the top of the tray 32 and close to the outer wall of the support seat 30. The top of the fixed frame 7 is provided with a groove, and a bottom support plate 8 is rotatably installed in the groove. The bottom end of the bottom support plate 8 is movably fitted with a support block 9. By placing the support block 9 in the groove on the fixed frame 7 and fitting the inner wall of the bottom end of the groove and the bottom support plate 8, the downward movement of the bottom support plate 8 can be limited. At this time, a temporary support effect can be provided to the pump body 6 by several bottom support plates 8, and the pump body 6 can be prevented from tipping over by the anti-tilt plate 14. The rotating frame 10 is composed of a rotating ring, a connecting ring, and several supporting rods. The diameter size of the rotating ring and the connecting ring is the same as the diameter size of the tray 32, so that the tray 32 can support the rotating ring and the connecting ring The upper and lower ends of the support rod are respectively fixedly connected to the rotating ring and the connecting ring, and a plurality of strips 11 are fixedly installed on the outer wall of the connecting ring. The support block 9 is composed of a square and a U-shaped tube. The U-shaped tube is fixedly installed on the square, and the connecting ring passes through the U-shaped groove on the U-shaped tube, so that during the rotation of the connecting ring, the support block 9 is pried by the strip 11 to disengage the support block 9 from between the grooves on the bottom plate 8 and the fixing frame 7, and push the bottom plate 8 to rotate upward to disengage from the lifting space of the pump body 6, so that the pump body 6 can fit the supporting surface 13 on the circular ring 12 under the guidance of the buffer element 3. The connecting ring and the rotating ring are both movably mounted on the outer wall of the fixing frame 7, and the outer wall of the fixing frame 7 is an arc that matches the connecting ring and the rotating ring, ensuring that the connecting ring and the rotating ring can both perform circular motion.

[0048] When the present invention is in use, the base 1 is pushed to move to a desired position, and the adjustment plate 17 is controlled to slide and adjust the position on the sliding mounting plate 16 according to the horizontal data provided by the level meter 15, and the position of the adjustment plate 17 is fixed by the plug-in assembly 18, and the support screw 20 is rotated to make the support screw 20 contact the L-shaped bonding plate 24, so that the L-shaped bonding plate 24 drives the assembly plate 23 to rotate through the rotating shaft 22, and the linkage plate 25 on the rotating shaft 22 is synchronously rotated. At this time, the connection plate 25 located on the linkage plate 25 The block 28 cooperates with the rotating rod 27 and the hinge to fine-tune the ring 12 and adjust the ring 12 to a horizontal state. At this time, the pump body 6 is located at the top of the three supporting plates 8. The buffer element 3 pushes the pump body 6 upward to make it break away from the contact with the supporting plates 8, and then controls the rotating frame 10 to rotate, so that the lever 11 on the rotating frame 10 pulls the support block 9 to move out of the groove on the fixed frame 7, and controls the buffer element 3 to move downward so that the pump body 6 is transferred to the supporting surface 13 on the ring 12, and the pump body 6 can be started for use.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A self-controlled self-priming pump with variable position, including a pump body used in a horizontal state, characterized in that, The position-changeable self-controlled self-priming pump further includes: A horizontal adjustment component. After changing the position of the pump body, the horizontal adjustment component first adjusts the ring to a horizontal state. A temporary support component. The temporary support component provides temporary support by fitting to the bottom of the pump body, facilitating the horizontal adjustment component not to provide support for the pump body during the horizontal adjustment process. A support component. The temporary support component and the horizontal adjustment component are arranged on the support component. The support component provides a support effect. The support component has a support seat. The central position of the support seat has several buffer elements. The buffer elements can push the pump body to move up and down. The support seat has a tray. The temporary support component has a rotating frame and several fixed frames. The rotating frame is movably sleeved on the outer walls of the several fixed frames. The fixed frames are all fixedly installed at the top of the tray and closely adhere to the outer wall of the support seat. Grooves are provided at the tops of the fixed frames, and the bottom ends of the grooves are all rotatably installed with support plates. The bottom ends of the support plates are all movably fitted with support blocks. By placing the support blocks in the grooves on the fixed frames and fitting them to the inner wall of the bottom end of the grooves and the support plates, the downward movement of the support plates can be restricted. At this time, the several support plates provide a temporary support effect on the pump body. The rotating frame is composed of a rotating ring, a connecting ring, and several support rods. The tray can support the rotating ring and the connecting ring. The upper and lower ends of the support rods are respectively fixedly connected to the connecting ring and the rotating ring. Several bar-shaped strips are fixedly installed on the outer wall of the connecting ring. The support block is composed of a square block and a U-shaped tube. The U-shaped tube is fixedly installed on the square block, and the connecting ring passes through the U-shaped groove on the U-shaped tube. It is convenient to pry the support block by the bar-shaped strip during the rotation of the connecting ring, so that the support block disengages from between the support plate and the groove on the fixed frame, and pushes the support plate to rotate upward out of the lifting space of the pump body, enabling the pump body to fit the bearing surface on the ring in the horizontal adjustment component under the guidance of the buffer element, facilitating the staff to transfer the pump body to the ring that has been adjusted to a horizontal state for use.

2. The self - controlled self - priming pump capable of changing positions according to claim 1, characterized in that: The horizontal adjustment component has a ring, a support frame, and several sliding mounting plates. The inner side wall of the ring has a bearing surface. The bearing surface can support the pump body after being adjusted to a horizontal state. A spirit level is also provided on the ring to observe whether the spirit level is in a horizontal state during the adjustment of the ring and adjust the ring in time. The support frame has several mounting frames. Each mounting frame has a rotatable rotating shaft. The rotating shaft has an assembly plate and a linkage plate. The assembly plate and the linkage plate can rotate synchronously during the rotation of the rotating shaft. The linkage plate has a fixed block. The fixed block has a rotatable rotating rod. The rotating rod has a connecting block. The connecting block is connected to the ring. The ring is adjusted to a horizontal state by controlling the rotation of the rotating shaft.

3. The self-controlled self-priming pump capable of changing positions according to claim 2, characterized in that: The sliding mounting plates each have two slidable adjustment plates, and a connecting plate is commonly mounted on the two adjustment plates. A threaded through-hole is provided on the connecting plate, and a support screw is provided in the threaded through-hole. The position of the connecting plate can be adjusted by sliding the adjustment plates; The top ends of the sliding mounting plates each have two insertion components, and the two insertion components are respectively located at the top ends of the two adjustment plates. The adjustment plates can be restricted from further moving through the insertion components; The support screw can be movably attached to the outer wall of the L-shaped fitting plate. A fitting groove is provided on the assembly plate, and the L-shaped fitting plate is movably mounted in the fitting groove. The rotation amplitude of the L-shaped fitting plate and the assembly plate can be restricted by rotating the support screw.

4. The self-controlled self-priming pump capable of changing positions according to claim 2, wherein: A number of anti-tilting plates are provided on the ring, and the anti-tilting plates can prevent the pump body from shaking excessively and tipping over during the process of lifting and moving positions.

5. The self-controlled self-priming pump capable of changing positions according to claim 2, wherein: The support assembly has a fixed ring, and the bottom end of the support base has a base. The support base can be easily pushed to shift through the base; The support base has a support sliding groove, and a number of support columns are slidably mounted in the support sliding groove. The support columns are connected to the bottom end of the support frame. By sliding the support columns in the support sliding groove, it is ensured that the support frame can rotate smoothly.

6. The self-controlled self-priming pump capable of changing positions according to claim 5, wherein: The fixed ring has a guiding groove, and the guiding groove is circular in shape. One end of the sliding mounting plate extends into the guiding groove, enabling the sliding mounting plate to perform circular motion.

7. The self-controlled self-priming pump capable of changing positions according to claim 3, characterized in that: The insertion component is composed of a fixing plate and an insertion rod. The insertion rod penetrates through the fixing plate and extends below the fixing plate; The top end of the adjustment plate has a number of insertion holes capable of inserting and fixing the insertion rod.

8. The self-controlled self-priming pump capable of changing positions according to claim 3, characterized in that: A number of nuts capable of providing anti-breaking function to the support screw are provided on the outer wall of the support screw.

9. The self-controlled self-priming pump capable of changing positions according to claim 6, characterized in that: The sliding mounting plate is composed of two L-shaped fixing frames and an arc-shaped plate. The two L-shaped fixing frames are connected into a whole through the arc-shaped plate, and the width dimension of the short head part of the two L-shaped fixing frames is the same as the width dimension of the guiding groove.

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