Combined high-precision peristaltic pump

Abstract

The invention discloses a combined high-precision peristaltic pump which comprises a driver, a pump head, a combined fixing mechanism and a grip, the pump head is arranged at one end of the driver, the combined fixing mechanism is installed at the bottom of the driver, and the grip is fixedly connected to the top of the driver. The pump head comprises a wheel seat, a wheel block group, a hose, a connecting wire pipe, a transmission rod, a connecting rod, a fixing pipe, a fixing bolt, a rubber pad, a rotary clamping rod and a clamping hole, the rotary clamping rod is fixedly connected to one end of the driver, the wheel block group is arranged at one end of the wheel seat, the hose is arranged in the wheel block group, and the connecting wire pipe is arranged in the clamping hole. The connecting wire pipe is fixedly connected to the top of the wheel block set, and the transmission rod is arranged on the front face of the wheel block set. According to the peristaltic pump, the connecting rod is adopted to be matched with the fixing pipe, the peristaltic pump can be installed on a combined fixing mechanism, the multiple pump heads can enable the driver to drive the multiple hoses to conduct metering work of infusion, and high-precision infusion measurement of the peristaltic pump is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of peristaltic pumps, in particular to a combined high-precision peristaltic pump. Background Art

[0002] A peristaltic pump is a pump device that works on the principle of peristaltic motion. It moves fluid by periodically squeezing and relaxing a hose (or pipe). This design allows the pump to work without direct contact with the fluid, thereby maintaining the purity of the fluid and preventing the pump itself from being corroded or worn. Peristaltic pumps are widely used in various fields such as medicine, life sciences, pharmaceuticals, chemicals, environmental protection, beverages, food, printing, etc. In medicine and life sciences, they are used for infusion and injection, laboratory sample processing, cell culture, etc. Peristaltic pumps can accurately control the infusion rate and volume to ensure the accuracy and reliability of the experiment. In pharmaceutical production, they are used to transport raw materials, intermediates and final products in the pharmaceutical process to ensure the cleanliness and safety of the production process.

[0003] According to the authorization announcement number CN107237741B, a combined high-precision peristaltic pump is disclosed, including: a lifting drive component, a pump body component and more than two groups of linear reciprocating motion modules, an anti-backflow device, a tube pressing roller component and at least one group of hose components; the lifting drive component, the anti-backflow device and the hose component are all installed on the pump body component; the more than two groups of linear reciprocating motion modules are installed in parallel on the lifting drive component, and the linear reciprocating motion modules are driven by the lifting drive component to perform synchronous lifting and lowering movements; each group of the linear reciprocating motion modules is installed with a set of tube pressing roller components; the anti-backflow device is arranged at one end of the linear reciprocating motion module, and the anti-backflow device is used to clamp and release the hose component. The above invention has the advantages of simple structure, low cost, saving installation space, reducing energy consumption, and meeting the filling accuracy requirements of different pipelines at the same time.

[0004] However, the peristaltic pump in the above invention can add multiple groups of pump heads during use to achieve multi-channel metered infusion work, but the addition of multiple pump heads will cause the pump head combination to be loose and thus affect the accurate metering of liquid delivery.

[0005] Therefore, it is necessary to have a combined high-precision peristaltic pump with strong practicality in design and the ability to ensure stable installation of multiple pump heads. Summary of the invention

[0006] The object of the present invention is to provide a combined high-precision peristaltic pump to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a combined high-precision peristaltic pump, comprising a driver, a pump head, a combined fixing mechanism and a handle, the pump head is arranged at one end of the driver, the combined fixing mechanism is installed at the bottom of the driver, and the handle is fixedly connected to the top of the driver.

[0008] The pump head includes a wheel seat, a wheel block group, a hose, a connecting wire tube, a transmission rod, a connecting rod, a fixed tube, a fixing bolt, a rubber pad, a rotating clamping rod and a clamping hole. The rotating clamping rod is fixedly connected to one end of the driver, the wheel block group is arranged at one end of the wheel seat, the hose is arranged inside the wheel block group, the connecting wire tube is fixedly connected to the top of the wheel block group, the transmission rod is arranged at the front of the wheel block group, the connecting rod is installed below the transmission rod, the fixed tube is fixedly connected to the bottom of the wheel seat, the fixing bolt is screwed to the bottom of the fixing tube, the rubber pad is fixedly connected to the back of the wheel seat, the rotating clamping rod is arranged at one end of the back of the wheel seat, and the clamping hole is opened below the rotating clamping rod. By adopting a connecting rod in combination with a fixing tube, it can be installed on a combined fixing mechanism. Multiple pump heads can allow the driver to drive multiple hoses to perform infusion metering work, thereby ensuring high-precision measurement of infusion by the peristaltic pump.

[0009] According to the above technical scheme, the combined fixing mechanism includes a slide rail, a slide plate, a pull-out handle, a movable fixing part, a mounting frame, an adjusting reinforcement part and a connecting plate. The slide rail is fixedly connected to the bottom of the driver, the slide plate is slidably connected to the inside of the slide rail, the pull-out handle is fixedly connected to one end of the slide plate, the movable fixing part is arranged at the bottom of the slide plate, the mounting frame is fixedly connected to both sides of the driver, the adjusting reinforcement part is arranged at one end of the mounting frame, the connecting plate is fixedly connected to the other end of the connecting plate, and the other end of the connecting plate is fixedly connected to the slide plate. The slide plate can be removed from the bottom of the driver by using the pull-out handle, and the pump head can be installed on the slide plate. The connection and fixation between the pump heads and the reinforcement of the adjusting reinforcement part can ensure the stable installation of the pump head and the accuracy of the equipment during use.

[0010] According to the above technical solution, the adjustment reinforcement member includes a plate body, a rotating screw, a movable block and a power box. The plate body is movably connected to the inside of the mounting frame, the rotating screw is rotatably connected to the inside of the plate body, the movable block is arranged on the outside of the rotating screw, and the power box is arranged at one end of the plate body. The rotating screw is driven to rotate by the power box to move the movable block, adjust the position of the movable block, and then fix the installed pump head through the movable block.

[0011] According to the above technical solution, the movable block includes a moving block, a connecting column and a driving block. The moving block is arranged above the inside of the plate body, the connecting column is fixedly connected to the bottom of the moving block, and the driving block is fixedly connected to the bottom of the connecting column. A through hole is opened on the side of the moving block, and the through hole is used to fix the pump head. A threaded hole is opened inside the driving block, and the thread shape of the threaded hole is consistent with the thread of the rotating screw, so that the rotating screw can drive the driving block to rotate, and the moving block can move through the transmission of the connecting column.

[0012] According to the above technical solution, the power box includes a box body, a rotating block, a rotating rod and a gear wheel, the box body is fixedly connected to one end of the plate body, the rotating block is rotatably connected to the outside of the box body, the rotating rod is rotatably connected to the inside of the box body, one end of the rotating rod passes through the box body and is fixedly connected to the rotating block, the gear wheel is rotatably installed under the rotating rod, the gear wheel is meshed and rotatably connected with the rotating rod, and one end of the gear wheel passes through the box body and is fixedly connected to the rotating screw rod, so that the rotating block rotates, thereby driving the rotating rod to rotate, and through the transmission of the gear wheel, the rotating screw rod is rotated to drive the movable block to move and align with the fixed position of the pump head.

[0013] According to the above technical solution, the movable fixing part includes a cylinder, a lifting block and a moving wheel. The cylinder is fixedly connected to one end of the bottom of the skateboard, the pull-out handle is pneumatically lifted and connected to the bottom of the cylinder, and the moving wheel is arranged at one end of the cylinder. The skateboard can be easily moved by the moving wheel. The cylinder is used to drive the lifting block to lift and lower, and is used to support and fix the skateboard after it is moved to a fixed position, thereby ensuring the stable use of multiple groups of pump heads. The number of movable fixing parts is two groups, which ensures the smooth movement and fixation of the skateboard.

[0014] According to the above technical solution, reinforcement blocks are provided at both ends of the wheel block group, the height of the reinforcement blocks is consistent with the height of the moving blocks, and fixing holes are provided in the reinforcement blocks and the moving blocks. After the reinforcement blocks and the moving blocks are fixed with a rod body, the pump head is ensured to be firmly fixed.

[0015] According to the above technical solution, the size of the connecting rod is consistent with that of the rotating screw rod, and the size of the transmission rod is consistent with that of the rotating clamping rod. Through the cooperation of the connecting rod and the transmission rod, multiple pump heads can be clamped and connected, which is convenient for installation and fixation between multiple groups of pump heads.

[0016] According to the above technical solution, installation spaces are opened inside the slide plate, and the gaps between the installation spaces are consistent with the width of the pump head, so that the pump head can be arranged and installed through the installation spaces. The fixed pipe is clamped and installed in the installation spaces and fixed with fixing bolts to complete the preliminary fixation of the pump head.

[0017] According to the above technical solution, a display screen is provided on the top of the driver, a control key is installed on one side of the display screen, and a plug hole is provided on one side of the control key. The plug hole is used to electrically connect the connecting wire of the connecting wire tube, so that the peristaltic flow can be displayed on the display screen and adjusted using the control key.

[0018] Compared with the prior art, the beneficial effects achieved by the present invention are: 1. The present invention can be installed on a combined fixing mechanism by using a connecting rod in conjunction with a fixing tube. Multiple pump heads can allow a driver to drive multiple hoses to perform infusion metering, thereby ensuring high-precision measurement of infusion by the peristaltic pump.

[0019] 2. In the present invention, the slide plate is taken out from the bottom of the driver by using a pull-out handle, and the pump head can be installed on the slide plate. The connection and fixation between the pump heads and the reinforcement of the adjusting reinforcement pieces can ensure that the pump head is installed firmly and the accuracy of the equipment during use is ensured.

[0020] 3. The present invention can allow multiple pump heads to be connected by snapping together through the cooperation of the connecting rod and the transmission rod, so as to facilitate the installation and fixation of multiple groups of pump heads.

[0021] 4. The present invention drives the rotating rod to rotate by rotating the rotating block, and drives the rotating screw to rotate through the transmission of the gear wheel, thereby driving the movable block to move and align with the fixed position of the pump head, and reinforces multiple groups of pump heads to ensure that the pump heads are firmly installed.

[0022] 5. The present invention enables the skateboard to be easily moved by means of moving wheels, and uses a cylinder to drive the lifting block to lift and lower, which is used to support and fix the skateboard after it is moved to a fixed position, thereby ensuring the stable use of multiple groups of pump heads. There are two groups of movable fixing parts to ensure smooth movement and fixation of the skateboard. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0024] In the attached picture: Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a front schematic diagram of the pump head of the present invention; Figure 3 It is a schematic diagram of the back side of the pump head of the present invention; Figure 4 It is a structural schematic diagram of the combined fixing mechanism of the present invention; Figure 5 It is a structural schematic diagram of the adjusting reinforcement member of the present invention; Figure 6 It is a structural schematic diagram of the movable block of the present invention; Figure 7 It is a schematic diagram of the internal structure of the power box of the present invention; Figure 8 It is a structural schematic diagram of the movable fixing part of the present invention.

[0025] In the figure: 1, driver; 2, pump head; 3, combined fixing mechanism; 4, handle; 201, wheel seat; 202, wheel block group; 203, hose; 204, connecting wire tube; 205, transmission rod; 206, connecting rod; 207, fixing pipe; 208, fixing bolt; 209, rubber pad; 210, rotating clamping rod; 211, clamping hole; 212, reinforcement block; 301, slide rail; 302, slide plate; 303, pull-out handle ; 304, movable fixing part; 305, mounting frame; 306, adjusting reinforcement part; 307, connecting plate; 310, plate body; 311, rotating screw rod; 312, movable block; 313, power box; 320, moving block; 321, connecting column; 322, driving block; 330, box body; 331, rotating block; 332, rotating rod; 333, gear wheel; 340, cylinder; 341, lifting block; 342, moving wheel. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] The present invention provides the following technical solutions: Embodiment 1:

[0028] See also Figure 1-3 A combined high-precision peristaltic pump includes a driver 1, a pump head 2, a combined fixing mechanism 3 and a handle 4, the pump head 2 is arranged at one end of the driver 1, the combined fixing mechanism 3 is installed at the bottom of the driver 1, and the handle 4 is fixedly connected to the top of the driver 1.

[0029] The pump head 2 includes a wheel seat 201, a wheel block group 202, a hose 203, a connecting wire tube 204, a transmission rod 205, a connecting rod 206, a fixed tube 207, a fixing bolt 208, a rubber pad 209, a rotating clamping rod 210 and a clamping hole 211. The rotating clamping rod 210 is fixedly connected to one end of the driver 1, the wheel block group 202 is arranged at one end of the wheel seat 201, the hose 203 is arranged inside the wheel block group 202, the connecting wire tube 204 is fixedly connected to the top of the wheel block group 202, the transmission rod 205 is arranged on the front of the wheel block group 202, the connecting rod 206 is installed below the transmission rod 205, the fixed tube 207 is fixedly connected to the bottom of the wheel seat 201, and the fixing bolt 208 is screwed to the fixing tube 2 07, the rubber pad 209 is fixedly connected to the back of the wheel seat 201, the rotating clamping rod 210 is arranged at one end of the back of the wheel seat 201, and the clamping hole 211 is opened below the rotating clamping rod 210. The length of the hose 203 is greater than the width of the wheel block group 202, so that there is a section of hose 203 along the outside at both ends of the wheel block group 202, so that the two hoses 203 are conveniently connected to the external equipment, so as to facilitate the use of the peristaltic pump. A groove is opened inside the transmission rod 205, and a protrusion is arranged at one end of the rotating clamping rod 210. The size of the protrusion is consistent with that of the groove, so that the transmission rod 205 can be connected to the rotating clamping rod 210, so that one group of pump heads 2 drives another group of pump heads 2.

[0030] By using a connecting rod 206 in conjunction with a fixing tube 207, it can be installed on the combined fixing mechanism 3. Multiple pump heads can allow the driver 1 to drive multiple hoses 203 to perform infusion metering work, thereby ensuring high-precision measurement of infusion by the peristaltic pump. The connecting rod 206 is consistent in size with the rotating screw rod 311, and the transmission rod 205 is consistent in size with the rotating clamping rod 210. Through the cooperation of the connecting rod 206 and the transmission rod 205, multiple pump heads 2 can be clamped and connected, which is convenient for installation and fixation between multiple groups of pump heads 2. Embodiment 2:

[0031] See also Figure 1 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 A combined high-precision peristaltic pump includes a driver 1, a pump head 2, a combined fixing mechanism 3 and a handle 4. The pump head 2 is arranged at one end of the driver 1, the combined fixing mechanism 3 is installed at the bottom of the driver 1, and the handle 4 is fixedly connected to the top of the driver 1. The handle 4 is installed in the middle of the top of the driver 1. When the combined fixing mechanism 3 is stored, it is convenient to use the handle to drive the peristaltic pump to pick up and move, which is very convenient.

[0032] The combined fixing mechanism 3 includes a slide rail 301, a slide plate 302, a pull-out handle 303, a movable fixing member 304, a mounting frame 305, an adjustment reinforcement member 306 and a connecting plate 307. The slide rail 301 is fixedly connected to the bottom of the driver 1, the slide plate 302 is slidably connected to the inside of the slide rail 301, the pull-out handle 303 is fixedly connected to one end of the slide plate 302, the movable fixing member 304 is arranged at the bottom of the slide plate 302, the mounting frame 305 is fixedly connected to both sides of the driver 1, the adjustment reinforcement member 306 is arranged at one end of the mounting frame 305, and the connecting plate 307 is fixedly connected to the other end of the connecting plate 307. The other end of the connecting plate 307 is fixedly connected to the slide plate 302. By using the pull-out handle 303 to take the slide plate 302 out from the bottom of the driver 1, the The pump head 2 is installed on the slide plate 302, and the connection and fixation between the pump heads 2 and the reinforcement of the adjustment reinforcement 306 are coordinated to ensure that the pump head 2 is installed firmly and the accuracy of the equipment during use is ensured. The inside of the slide plate 302 is provided with installation spaces, and the gaps between the installation spaces are consistent with the width of the pump head 2, so that it can be arranged and installed through the installation spaces. The fixed tube 207 is snap-fitted and installed in the installation space and fixed with the fixing bolt 208 to complete the preliminary fixation of the pump head 2. A bolt is provided at one end of the connecting plate 307, and the bolt passes through the connecting plate 307 and is fixedly connected to the slide plate 302, so that the movement of the slide plate 302 can drive the movement of the adjustment reinforcement 306 through the transmission of the connecting plate 307, and the operation steps are simplified in the case of synchronous movement.

[0033] The adjusting reinforcement 306 includes a plate body 310, a rotating screw rod 311, a movable block 312 and a power box 313. The plate body 310 is movably connected to the inside of the mounting frame 305, the rotating screw rod 311 is rotatably connected to the inside of the plate body 310, the movable block 312 is arranged on the outside of the rotating screw rod 311, and the power box 313 is arranged at one end of the plate body 310. The rotating screw rod 311 is driven by the power box 313 to rotate, so that the movable block 312 moves, the position of the movable block 312 is adjusted, and then the installed pump head 2 is fixed by the movable block 312. Two slide grooves are arranged inside the plate body 310, and the movable block 320 and the driving block 322 are respectively installed in the front of the two slide grooves, and the rotating screw rod 311 is installed in the slide groove at the bottom, and a connecting groove is opened between the two slide grooves. The size of the movable block 312 is consistent with the size of the two slide grooves and the connecting groove, ensuring that the rotating screw rod 311 can drive the movable block 312 to move.

[0034] The movable block 312 includes a movable block 320, a connecting column 321 and a driving block 322. The movable block 320 is arranged above the inside of the plate body 310. The connecting column 321 is fixedly connected to the bottom of the movable block 320. The driving block 322 is fixedly connected to the bottom of the connecting column 321. A through hole is opened on the side of the movable block 320, and the through hole is used to fix the pump head 2. A threaded hole is opened inside the driving block 322, and the thread shape of the threaded hole is consistent with the thread of the rotating screw 311. The rotating screw rod 311 can drive the driving block 322 to rotate, and the movable block 320 can be moved through the transmission of the connecting column 321. Reinforcement blocks 212 are arranged at both ends of the wheel block group 202. There are two reinforcement blocks 212. The height of the reinforcement block 212 is consistent with the height of the movable block 320. The reinforcement block 212 and the movable block 320 are provided with fixing holes. After the reinforcement block 212 and the movable block 320 are fixed by the rod body, the pump head 2 is ensured to be firmly fixed.

[0035] The power box 313 includes a box body 330, a rotating block 331, a rotating rod 332 and a toothed wheel 333. The box body 330 is fixedly connected to one end of the plate body 310, the rotating block 331 is rotatably connected to the outside of the box body 330, the rotating rod 332 is rotatably connected to the inside of the box body 330, one end of the rotating rod 332 passes through the box body 330 and is fixedly connected to the rotating block 331, the toothed wheel 333 is rotatably installed below the rotating rod 332, and the toothed wheel 333 is meshed and rotatably connected with the rotating rod 332. One end of the gear wheel 333 passes through the box body 330 and is fixedly connected to the rotating screw 311. Therefore, the rotating block 331 rotates, thereby driving the rotating rod 332 to rotate. The rotating screw 311 is rotated through the transmission of the gear wheel 333, driving the movable block 312 to move and align with the fixed position of the pump head 2. The outside of the rotating block 331 is provided with fine convex strips, and the friction with the hand is increased through the fine convex strips, thereby facilitating the rotation of the rotating block 331, thereby driving the movable block 312 to move.

[0036] The movable fixing part 304 includes a cylinder 340, a lifting block 341 and a moving wheel 342. The cylinder 340 is fixedly connected to one end of the bottom of the slide plate 302. The pull-out handle 303 is pneumatically lifted and connected to the bottom of the cylinder 340. The moving wheel 342 is arranged at one end of the cylinder 340. The slide plate 302 can be easily moved by the moving wheel 342. The cylinder 340 is used to drive the lifting block 341 to lift and lower. After the slide plate 302 is moved to a fixed position, it is supported and fixed to ensure the stable use of multiple groups of pump heads 2. There are two groups of movable fixing parts 304 to ensure smooth movement and fixation of the slide plate 302.

[0037] A display screen is provided on the top of the driver 1, and a control key is installed on one side of the display screen. A plug hole is provided on one side of the control key. The plug hole is used to electrically connect the connecting wire of the connecting wire tube 204, so that the peristaltic flow can be displayed on the display screen and adjusted using the control key. A mounting groove is provided at the bottom of the driver 1, and the slide rail 301 is installed at both ends inside the mounting groove. The size of the slide plate 302 is consistent with the size of the driver 1, which is convenient for simple storage. An anti-sliding block is provided at the bottom of the driver 1. There are four anti-sliding blocks, which are evenly distributed at the four corners of the bottom of the driver 1. The four anti-sliding blocks ensure that the driver 1 is firmly fixed and firmly used with the pump head 2.

[0038] In summary, when the device is in use, the slide plate 302 is pulled out from the bottom of the driver 1, and then the pump head 2 is installed on the slide plate 302 through the fixing tube 207 and the fixing bolt 208, and then the pump head 2 is connected and fixed through the transmission rod 205, the connecting rod 206, the clamping hole 211 and the reinforcement block 212 of the pump head 2, and the adjustment reinforcement member 306 is pulled out along with the slide plate 302 through the connecting plate 307, and the rotating block 331 is rotated to drive the rotating rod 332 to rotate, so that the gear wheel 333 drives the rotating screw 311 to rotate, and the movable block 312 is moved, and the movable block 320 is aligned with the reinforcement block 212, and fixed with the rod body, and the rotating block 331 is rotated again to ensure that the pump head 2 is firmly fixed, thereby ensuring the accuracy of the peristaltic infusion in the hose 203.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A combined high-precision peristaltic pump, comprising a driver (1), a pump head (2), a combined fixing mechanism (3) and a handle (4), characterized in that: The pump head (2) is arranged at one end of the driver (1), the combined fixing mechanism (3) is installed at the bottom of the driver (1), and the handle (4) is fixedly connected to the top of the driver (1); The pump head (2) comprises a wheel seat (201), a wheel segment assembly (202), a hose (203), a connecting wire tube (204), a transmission rod (205), a connecting rod (206), a fixing tube (207), a fixing bolt (208), a rubber pad (209), a rotating clamping rod (210) and a clamping hole (211), wherein the rotating clamping rod (210) is fixedly connected to one end of the driver (1), the wheel segment assembly (202) is arranged at one end of the wheel seat (201), the hose (203) is arranged inside the wheel segment assembly (202), and the connecting wire tube (204) is fixedly connected to the wheel segment assembly (202). The wheel block assembly (202) is connected to the top of the wheel block assembly (202), the transmission rod (205) is arranged on the front of the wheel block assembly (202), the connection rod (206) is installed below the transmission rod (205), the fixing tube (207) is fixedly connected to the bottom of the wheel seat (201), the fixing bolt (208) is screwed to the bottom of the fixing tube (207), the rubber pad (209) is fixedly connected to the back of the wheel seat (201), the rotating clamping rod (210) is arranged at one end of the back of the wheel seat (201), and the clamping hole (211) is opened below the rotating clamping rod (210).

2. A combined high-precision peristaltic pump according to claim 1, characterized in that: The combined fixing mechanism (3) comprises a slide rail (301), a slide plate (302), a pull-out handle (303), a movable fixing member (304), a mounting frame (305), an adjustment reinforcement member (306) and a connecting plate (307); the slide rail (301) is fixedly connected to the bottom of the driver (1); the slide plate (302) is slidably connected to the inside of the slide rail (301); the pull-out handle (303) is fixedly connected to one end of the slide plate (302); the movable fixing member (304) is arranged at the bottom of the slide plate (302); the mounting frame (305) is fixedly connected to both sides of the driver (1); the adjustment reinforcement member (306) is arranged at one end of the mounting frame (305); the connecting plate (307) is fixedly connected to the other end of the connecting plate (307); and the other end of the connecting plate (307) is fixedly connected to the slide plate (302).

3. A combined high-precision peristaltic pump according to claim 2, characterized in that: The adjusting reinforcement member (306) comprises a plate body (310), a rotating screw rod (311), a movable block (312) and a power box (313); the plate body (310) is movably connected to the inside of the installation frame (305); the rotating screw rod (311) is rotatably connected to the inside of the plate body (310); the movable block (312) is arranged outside the rotating screw rod (311); and the power box (313) is arranged at one end of the plate body (310).

4. A combined high-precision peristaltic pump according to claim 3, characterized in that: The movable block (312) comprises a movable block (320), a connecting column (321) and a driving block (322); the movable block (320) is arranged above the inside of the plate body (310); the connecting column (321) is fixedly connected to the bottom of the movable block (320); the driving block (322) is fixedly connected to the bottom of the connecting column (321); and a through hole is provided on the side surface of the movable block (320).

5. A combined high-precision peristaltic pump according to claim 4, characterized in that: The power box (313) comprises a box body (330), a rotating block (331), a rotating rod (332) and a toothed wheel (333); the box body (330) is fixedly connected to one end of the plate body (310); the rotating block (331) is rotationally connected to the outside of the box body (330); the rotating rod (332) is rotationally connected to the inside of the box body (330); one end of the rotating rod (332) passes through the box body (330) and is fixedly connected to the rotating block (331); the toothed wheel (333) is rotationally installed below the rotating rod (332); the toothed wheel (333) is meshed and rotationally connected to the rotating rod (332); one end of the toothed wheel (333) passes through the box body (330) and is fixedly connected to the rotating screw (311).

6. A combined high-precision peristaltic pump according to claim 5, characterized in that: The movable fixing member (304) comprises a cylinder (340), a lifting block (341) and a moving wheel (342); the cylinder (340) is fixedly connected to one end of the bottom of the slide plate (302); the pull handle (303) is pneumatically lifted and connected to the bottom of the cylinder (340); and the moving wheel (342) is arranged at one end of the cylinder (340).

7. A combined high-precision peristaltic pump according to claim 6, characterized in that: Reinforcement blocks (212) are provided at both ends of the wheel block assembly (202); the height of the reinforcement blocks (212) is consistent with the height of the moving blocks (320); and the reinforcement blocks (212) and the moving blocks (320) are provided with fixing holes.

8. A combined high-precision peristaltic pump according to claim 7, characterized in that: The connecting rod (206) has the same size as the rotating screw rod (311), and the transmission rod (205) has the same size as the rotating clamping rod (210).

9. A combined high-precision peristaltic pump according to claim 8, characterized in that: The slide plate (302) is provided with installation spaces inside, and the gaps between the installation spaces are consistent with the width of the pump head (2), so that the installation spaces can be arranged and installed, and the fixing pipe (207) is snap-fitted and installed in the installation spaces and fixed using the fixing bolt (208).

10. A combined high-precision peristaltic pump according to claim 9, characterized in that: A display screen is provided on the top of the driver (1), a control key is installed on one side of the display screen, and a plug hole is provided on one side of the control key, and the plug hole is used to electrically connect a connection wire of the connection wire tube (204).

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