CN218934682U - Peristaltic pump - Google Patents

Abstract

The embodiment of the utility model provides a peristaltic pump, and relates to the field of dental medical appliances. The peristaltic pump comprises a base, a transmission roller frame, a pump pipe and a pump cover. The base is provided with the mounting hole that runs through self, and the base still is provided with first bounding wall, and first bounding wall is the circular-arc of open-loop and first bounding wall is provided with first cooperation portion, and first bounding wall has the installation breach that runs through self both ends. The transmission roller frame comprises a mounting piece and a plurality of connecting shafts arranged on the mounting piece, the connecting shafts are provided with a plurality of rotating drums capable of rotating relative to the connecting shafts, the mounting piece is arranged in a mounting hole, and the mounting piece is provided with a matching hole for being connected with an output shaft of a motor. The pump cover is provided with a second matching part matched with the first matching part in a clamping way. The pump cover is matched with the base through the clamping connection between the matching groove and the matching block, so that the disassembly and assembly efficiency of the base and the pump cover can be effectively improved, and the pump pipe can be replaced conveniently.

Description

Peristaltic pump

Technical Field

The utility model relates to the field of dental medical instruments, in particular to a peristaltic pump.

Background

Peristaltic pumps are mainly applied to dental ultrasonic bone knife machines, and because the ultrasonic bone knife machines vibrate at high frequency when in work, the peristaltic pumps are often required to supply water to cool the working points. Because peristaltic pump pipe needs disinfection, the pump pipe wearing and tearing need be changed after long-term use.

The inventor researches find that the base and the pump cover of the existing peristaltic pump are connected in a sliding and pressing mode, so that the peristaltic pump is not easy to detach.

Disclosure of Invention

The utility model aims to provide a peristaltic pump, wherein a base and a pump cover are convenient to assemble and disassemble, so that the efficiency of replacing a pump pipe can be improved.

Embodiments of the present utility model are implemented as follows:

in a first aspect, the present utility model provides a peristaltic pump comprising:

the base is provided with a mounting hole penetrating through the base, the base is also provided with a first coaming, the first coaming is in an open-loop circular arc shape and is provided with a first matching part, and the first coaming is provided with a mounting notch penetrating through two ends of the base;

the transmission roller frame comprises a mounting piece and a plurality of connecting shafts arranged on the mounting piece, the connecting shafts are provided with a plurality of rotating drums capable of rotating relative to the connecting shafts, the mounting piece is arranged in a mounting hole, and the mounting piece is provided with a matching hole for being connected with an output shaft of a motor;

the pump pipe is positioned between the rotary drum and the first coaming, and two ends of the pump pipe penetrate through the mounting notch;

the pump cover is provided with a second matching part which is matched with the first matching part in a clamping way.

In an alternative embodiment, the first mating portion is a mating block, the number of mating blocks is a plurality of and is set up along the circumference direction interval of the first coaming, the second mating portion is a mating groove, and the number of mating grooves is a plurality of.

In an alternative embodiment, the side of the matching block, which is close to the pump cover, is convexly provided with a convex part, and the inner wall of the matching groove is provided with a groove matched with the convex part.

In an alternative embodiment, the mating groove comprises a first groove and a second groove connected at an included angle, the width of the first groove is matched with the width of the mating block, and the second groove extends along the circumferential direction of the pump cover and has a thickness matched with the thickness of the mating block.

In an alternative embodiment, the mounting hole comprises a first hole, a second hole and a third hole which are coaxial and are in a ladder shape, the diameters of the first hole, the second hole and the third hole are sequentially increased, and the axis of the first coaming plate is spaced from the axis of the third hole;

the mounting includes coaxial first mounting plate and the second mounting plate that sets up, and first mounting plate and second mounting plate are installed respectively in first hole and second downthehole, and the mating holes has been seted up to first mounting plate, and the connecting axle sets up in one side that first mounting plate was kept away from to the second mounting plate, and the outer wall of rotary drum offsets with the inner wall in third hole and can extrude the pump line.

In an alternative embodiment, the peristaltic pump further comprises a fixed plate, wherein the fixed plate is provided with a second plug hole and a first plug hole for interference fit with the connecting shaft;

the pump cover is also provided with a protruding shaft connected with the second plug hole.

In an alternative embodiment, the peristaltic pump further comprises a pump pipe joint, wherein the pump pipe joint is spliced with the pump pipe and is used for connecting the water delivery pipe and the water outlet pipe;

at least one of the pump cover and the base is provided with a limiting bulge, and the end face of the limiting bulge is used for propping against the pump pipe joint.

In an alternative embodiment, the peristaltic pump further comprises a motor assembly and a casing, the motor assembly comprises a motor and a casing which are connected, an output shaft of the motor penetrates through the casing, a clamping piece is arranged on one side, far away from the motor, of the casing, at least one outer side wall of the clamping piece, the base and the pump cover is clamped, the output shaft is connected with the matching hole, and the casing is clamped with the outer side wall of the clamping piece.

In an alternative embodiment, the clamping piece comprises a second coaming and a clamping rib arranged on the inner side of the second coaming, wherein the clamping rib is used for being clamped with at least one outer side wall in the base and the pump cover, and the inner wall of the shell sleeve is clamped with the outer side wall of the second coaming.

In an alternative embodiment, the output shaft is sleeved with a spline, and the matching hole is a spline hole matched with the spline.

The embodiment of the utility model has the beneficial effects that: the peristaltic pump provided by the embodiment of the utility model comprises a base, a transmission roller frame, a pump pipe and a pump cover. The base is provided with the mounting hole that runs through self, and the base still is provided with first bounding wall, and first bounding wall is the circular-arc of open-loop and first bounding wall is provided with first cooperation portion, and first bounding wall has the installation breach that runs through self both ends. The transmission roller frame comprises a mounting piece and a plurality of connecting shafts arranged on the mounting piece, the connecting shafts are provided with a plurality of rotating drums capable of rotating relative to the connecting shafts, the mounting piece is arranged in a mounting hole, and the mounting piece is provided with a matching hole for being connected with an output shaft of a motor. The pump cover is provided with a second matching part matched with the first matching part in a clamping way. The pump cover is matched with the base through the clamping connection between the matching groove and the matching block, so that the disassembly and assembly efficiency of the base and the pump cover can be effectively improved, and the pump pipe can be replaced conveniently.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of a base, a pump cover, a pump tube, a drive roller frame and a fixed plate according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a base according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a pump cover according to an embodiment of the present utility model;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a schematic diagram illustrating the assembly of a base, a pump tube, a driving roller frame and a fixing plate according to an embodiment of the present utility model;

FIG. 6 is an exploded view of a peristaltic pump according to an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of a casing according to an embodiment of the present utility model;

FIG. 8 is an enlarged view of a portion of FIG. 7;

fig. 9 is a schematic structural view of a casing provided in an embodiment of the present utility model;

fig. 10 is a partial enlarged view of fig. 9.

Icon 1-peristaltic pump; 10-a base; 11-mounting holes; 111-a first hole; 112-a second hole; 113-a third hole; 12-a first coaming; 121-a first mating portion; 122-a protrusion; 123-mounting notch; 20-a transmission roller frame; 21-a mount; 211-a first mounting plate; 212-a second mounting plate; 22-connecting shaft; 23-a drum; 24-mating holes; 30-a pump tube; 31-pump tube joint; 40-pump cover; 41-a second mating portion; 411-first slot; 412-a second slot; 413-grooves; 42-protruding shaft; 50-fixing plates; 51-a first plug hole; 52-a second plug hole; 60-limiting protrusions; 70-a motor assembly; 71-an electric motor; 712-spline; 72-a housing; 721-a clip; 7211-a second coaming; 7212-clamping ribs; 80-a shell; 90-cushion pad.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The following describes in detail the specific structure of a peristaltic pump and the corresponding technical effects thereof according to the embodiments of the present utility model with reference to the accompanying drawings.

Referring to fig. 1-5, a peristaltic pump 1 according to an embodiment of the present utility model includes a base 10, a driving roller frame 20, a pump tube 30, and a pump cover 40.

Wherein the base 10 is provided with a mounting hole 11 penetrating through the base 10, the base 10 is further provided with a first enclosing plate 12, the first enclosing plate 12 is in an open-loop circular arc shape, the first enclosing plate 12 is provided with a first matching part 121, the first enclosing plate 12 is provided with a mounting notch 123 penetrating through two ends of the base, in other words, the first enclosing plate 12 is a circular arc plate, and the mounting notch 123 penetrates through two ends of the circular arc plate, namely, the mounting notch 123 is arranged along the axial direction of the first enclosing plate 12.

The transmission roller frame 20 includes a mounting member 21 and a plurality of connecting shafts 22 disposed on the mounting member 21, wherein the connecting shafts 22 are provided with a plurality of drums 23 capable of rotating relative to the connecting shafts 22, the mounting member 21 is mounted in the mounting hole 11, and specifically, in this embodiment, the outer wall of the mounting member 21 is curved and is attached to the inner wall of the mounting hole 11. In this embodiment, the inner diameter of the drum 23 is slightly larger than the outer diameter of the connecting shaft 22, so as to ensure that the drum 23 can still rotate around its own axis when driven to rotate by the mounting member 21. Wherein the mounting member 21 is further provided with a mating hole 24 for connection with the output shaft of the motor 71, it is easy to understand that the mating hole 24 communicates with the mounting hole 11 to realize connection with the mating hole 24 after penetrating the mounting hole 11 with the output shaft of the motor 71.

The pump tube 30 is located between the drum 23 and the first shroud 12, and both ends of the pump tube 30 pass through the mounting notches 123. It will be appreciated that the drum 23 is capable of squeezing the pump tube 30 as the mount 21 rotates.

The pump cover 40 is provided with a second fitting portion 41 that is snap-fitted due to the first fitting portion 121. That is, the pump cover 40 and the base 10 can together define an installation space in which the drive roller and the pump tube 30 are located. It can be appreciated that in the present embodiment, the pump cover 40 and the base 10 are engaged with each other by the first engaging portion 121 and the second engaging portion 41, so that the assembling and disassembling efficiency of the base 10 and the pump cover 40 can be effectively improved.

Further, the first engaging portions 121 are engaging blocks, the number of which is plural and which are arranged at intervals along the circumferential direction of the first coaming 12, the second engaging portions 41 are engaging grooves, the number of which is plural, and in this embodiment, the plural engaging grooves are arranged at intervals along the circumferential direction of the pump cover 40. It can be appreciated that the clamping is achieved by the mating block and the mating groove.

Further, a convex part 122 is arranged on one side of the matching block close to the pump cover 40, and a groove 413 matched with the coating is arranged on the inner wall of the matching groove. It can be appreciated that, on the basis of the engagement between the engaging block and the engaging groove, the connection strength between the base 10 and the pump cover 40 is ensured by the engagement between the protrusion 122 and the groove 413.

In this embodiment, the protruding portion 122 is hemispherical, the groove 413 is a ball groove, and a portion of a hemispherical plane is connected with the mating block, and the hemispherical protruding portion 122 can be clamped into the groove 413. Of course, in some other embodiments, the protrusion 122 and the groove 413 may have other shapes, and the shapes thereof are not particularly limited herein.

The above-mentioned engaging block is provided on the outer side of the first shroud 12, and the engaging groove is provided on the inner side of the pump cover 40.

Further, the mating slot includes a first slot 411 and a second slot 412 connected at an included angle, the width of the first slot 411 is adapted to the width of the mating slot, and the second slot 412 extends along the circumferential direction of the pump cover 40 and has a thickness adapted to the thickness of the mating block. Referring to fig. 2-3, the thickness direction is the height direction, the mating groove is approximately L-shaped, after aligning the plurality of first grooves 411 with the plurality of mating blocks, the pump cover 40 is moved down, after the inner wall of the mating groove abuts against the top wall of the mating block, the pump cover 40 is further rotated, and the mating block is mated with the second groove 412 until the groove 413 of the second groove 412 is clamped with the protruding block, and then the assembly of the pump cover 40 and the base 10 is completed. Likewise, when disassembly is required, the disassembly can be completed by reversing the above operation. Therefore, the pump cover 40 and the base 10 in the embodiment of the utility model are convenient to detach, so that the replacement of the pump tube 30 can be completed efficiently.

Further, the mounting hole 11 of the base 10 includes a first hole 111, a second hole 112 and a third hole 113 which are coaxial and are stepped, the diameters of the first hole 111, the second hole 112 and the third hole 113 are sequentially increased, and the axis of the first enclosing plate 12 is spaced from the axis of the third hole 113. Similarly, the mounting member 21 includes a first mounting plate 211 and a second mounting plate 212 coaxially disposed, the first mounting plate 211 and the second mounting plate 212 are respectively mounted in the first hole 111 and the second hole 112, the first mounting plate 211 is provided with a mating hole 24, the connecting shaft 22 is disposed on one side of the second mounting plate 212 away from the first mounting plate 211, and the outer wall of the rotary cylinder 23 abuts against the inner wall of the third hole 113 and can squeeze the pump tube 30.

It will be appreciated that since the axis of the first shroud 12 is not coaxial with the axis of the third bore 113, the sleeve cycles between a loose condition compressed by the drum 23 and a compressed condition as the drum 23 is rotated by the rotating mount 21.

Further, the peristaltic pump 1 further comprises a fixing plate 50, the fixing plate 50 is provided with a second plug hole 52 and a first plug hole 51 for interference fit with the connecting shaft 22, and the pump cover 40 is further provided with a protruding shaft 42 connected with the second plug hole 52. To improve the assembling stability of the driving roller frame 20 with the base 10 by the fixing plate 50.

Further, the peristaltic pump 1 further comprises a pump tube connector 31, and the pump tube connector 31 is spliced with the pump tube 30. In other words, the pump tube joint 31 is provided with a plug hole for plugging with the pump tube 30. And the pump pipe joint 31 is also used for connecting the water pipe and the water outlet pipe. At least one of the pump cover 40 and the base 10 is provided with a limit projection 60, and an end surface of the limit projection 60 is used to abut against the pump pipe joint 31, so that the pump pipe joint 31 can be limited by the limit projection 60 to move toward the axial direction of the mounting hole 11. Since the pump pipe 30 is mounted on the pump pipe joint 31, the pump pipe 30 can be restricted from sliding by friction force when operating.

In this embodiment, the base 10 and the pump cover 40 are provided with a limiting projection 60. Specifically, the limit projection 60 is provided on the base 10 on the side for mounting the first coaming 12. Pump cap 40 includes a cap body and cap body shroud connected. Wherein the mating groove is disposed on the inside wall of the cover coaming, the protruding shaft 42 is disposed on the cover, and the limit projection 60 is disposed on the cover.

Of course, in other embodiments, only the base 10 may be provided with the limit projection 60, or only the pump cover 40 may be provided with the limit projection 60. The end surface of the limiting projection 60 is not particularly limited as long as it can limit the movement of the pump tube joint 31 toward the axis of the mounting hole 11.

Referring to fig. 6-10, further, the peristaltic pump 1 further includes a motor assembly 70 and a casing 80, the motor assembly 70 includes a motor 71 and a casing 72 connected to each other, the output shaft of the motor 71 penetrates the casing 72, in other words, the casing 72 is provided with a tube penetrating hole through which the output shaft of the motor 71 penetrates, and a clamping member 721 is disposed on a side far away from the motor 71, and the clamping member 721 is clamped to an outer side wall of at least one of the base 10 and the pump cover 40. That is, the engaging member 721 engages at least one of the cover shroud and the outermost peripheral wall of the base 10. And the output shaft is connected with the matching hole 24, and the casing sleeve 80 is clamped with the outer side wall of the clamping piece 721.

Specifically, in the present embodiment, the fastening member 721 includes a second shroud 7211 and a fastening rib 7212 disposed on an inner side of the second shroud 7211, where the fastening is used to fasten to an outer side wall of at least one of the base 10 and the pump cover 40, and an inner wall of the casing 80 is fastened to an outer side wall of the second shroud 7211.

The second shroud 7211 is also in the shape of an open-loop arc, and after the pump cover 40 and the base 10 are engaged with each other by the engagement block and the engagement groove, the outermost side wall of the assembled device is engaged with the engagement rib 7212 in the second shroud 7211. Thereby completing the assembly of the pump with the housing 72. The ribs 7212 change the side wall of at least one of the pump cover 40 and the base 10 from surface contact to line contact, thereby improving the stability of contact.

Further, the outer side wall of the second coaming 7211 is also provided with a first blank, the inner wall of the casing sleeve 80 is also provided with a second matching portion 41 which is in clamping fit with the first matching portion 121, the structure of the matching block is consistent with that of the outer side wall of the first coaming 12, and the structure of the matching groove on the inner wall of the casing sleeve 80 is consistent with that of the matching groove on the inner wall of the pump cover 40. That is, the housing 80 and the second shroud 7211 are assembled in the same manner as the first shroud 12 and the pump cover 40, and the assembly efficiency of the housing 80 and the second shroud 7211 is further improved.

Further, in the present embodiment, the peristaltic pump 1 is further provided with a cushion 90, wherein the cushion 90 is disposed between the pump cover 40 and the housing sleeve 80. The cushion 90 is made of foam or other elastic rubber and is used for ensuring that the pump cover 40 is tightly attached to the casing 80.

Further, the output shaft is further sleeved with a spline 712, and the matching hole 24 is a spline 712 hole matched with the spline 712. Thereby driving the rotation of the mounting piece 21 to drive the rotary drum 23 to rotate, the transmission is stable and reliable, and the abrasion is low.

In summary, the peristaltic pump 1 according to the embodiment of the present utility model includes the base 10, the driving roller frame 20, the pump tube 30 and the pump cover 40. The base 10 is provided with a mounting hole 11, the base 10 is also provided with a first coaming 12, the first coaming 12 is in an open-loop circular arc shape, the first coaming 12 is provided with a first matching part 121, and the first coaming 12 is provided with a mounting notch 123 penetrating through two ends of the first coaming 12. The transmission roller frame 20 includes a mounting member 21 and a plurality of connecting shafts 22 disposed on the mounting member 21, wherein the connecting shafts 22 are provided with a plurality of drums 23 capable of rotating relative to the connecting shafts 22, the mounting member 21 is mounted in the mounting hole 11, and specifically, in this embodiment, the outer wall of the mounting member 21 is curved and is attached to the inner wall of the mounting hole 11. The pump tube 30 is located between the drum 23 and the first shroud 12, and both ends of the pump tube 30 pass through the mounting notches 123. It will be appreciated that the drum 23 is capable of squeezing the pump tube 30 as the mount 21 rotates. The pump cover 40 is provided with a second fitting portion 41 that is snap-fitted due to the first fitting portion 121. The second coaming 7211 of the casing 80 and the casing 72, and the pump cover 40 and the base 10 are engaged with each other through the engagement grooves and the engagement blocks, so that the disassembly and assembly efficiency of the base 10 and the pump cover 40 can be effectively improved, and the pump pipe 30 can be replaced conveniently.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A peristaltic pump, comprising:

the base is provided with a mounting hole penetrating through the base, the base is also provided with a first coaming, the first coaming is in an open-loop circular arc shape and is provided with a first matching part, and the first coaming is provided with a mounting notch penetrating through two ends of the base;

the transmission roller frame comprises a mounting piece and a plurality of connecting shafts arranged on the mounting piece, wherein the connecting shafts are provided with a plurality of rotating drums capable of rotating relative to the connecting shafts, the mounting piece is arranged in the mounting hole, and the mounting piece is provided with a matching hole for being connected with an output shaft of a motor;

the pump pipe is positioned between the rotary drum and the first coaming, and two ends of the pump pipe penetrate out of the mounting notch;

the pump cover is provided with a second matching part which is matched with the first matching part in a clamping way.

2. Peristaltic pump according to claim 1, characterized in that:

the first cooperation portion is the cooperation piece, the quantity of cooperation piece is a plurality of and follows the circumference direction interval setting of first bounding wall, the second cooperation portion is the cooperation groove, the quantity of cooperation groove is a plurality of.

3. Peristaltic pump according to claim 2, characterized in that:

the cooperation piece is close to the protruding convex part that is equipped with in one side of pump cover, the cooperation inslot wall be provided with the recess of convex part looks adaptation.

4. A peristaltic pump as claimed in claim 3, wherein:

the cooperation groove is including being the first groove and the second groove that the contained angle is connected, the width in first groove with the width looks adaptation of cooperation piece, the second groove is followed the circumference extension of pump cover and thickness with the thickness looks adaptation of cooperation piece.

5. Peristaltic pump according to claim 1, characterized in that:

the mounting holes comprise first holes, second holes and third holes which are coaxial and are in a ladder shape, the diameters of the first holes, the second holes and the third holes are sequentially increased, and the axis of the first coaming plate and the axis of the third hole are provided with a distance;

the mounting comprises a first mounting plate and a second mounting plate which are coaxially arranged, the first mounting plate and the second mounting plate are respectively mounted in the first hole and the second hole, the first mounting plate is provided with a matching hole, the connecting shaft is arranged on one side, away from the first mounting plate, of the second mounting plate, and the outer wall of the rotary drum abuts against the inner wall of the third hole and can extrude the pump pipe.

6. Peristaltic pump according to claim 1, characterized in that:

the peristaltic pump further comprises a fixed plate, wherein the fixed plate is provided with a second plug hole and a first plug hole which is in interference fit with the connecting shaft;

the pump cover is also provided with a protruding shaft connected with the second plug hole.

7. Peristaltic pump according to claim 1, characterized in that:

the peristaltic pump further comprises a pump pipe joint, wherein the pump pipe joint is spliced with the pump pipe and is used for connecting a water delivery pipe with a water outlet pipe;

at least one of the pump cover and the base is provided with a limiting protrusion, and the end face of the limiting protrusion is used for propping against the pump pipe joint.

8. Peristaltic pump according to claim 1, characterized in that:

the peristaltic pump further comprises a motor assembly and a casing, the motor assembly comprises a motor and a casing which are connected, an output shaft of the motor penetrates through the casing, a clamping piece is arranged on one side, away from the motor, of the casing, the clamping piece is clamped with at least one outer side wall of the base and the pump cover, the output shaft is connected with the matching hole, and the casing is clamped with the outer side wall of the clamping piece.

9. Peristaltic pump according to claim 8, characterized in that:

the clamping piece comprises a second coaming and clamping ribs arranged on the inner side of the second coaming, the clamping ribs are used for clamping at least one outer side wall of the base and the pump cover, and the inner wall of the machine shell is clamped with the outer side wall of the second coaming.

10. Peristaltic pump according to claim 8, characterized in that:

the output shaft is sleeved with a spline, and the matching hole is a spline hole matched with the spline.

Images