CN209856011U

CN209856011U - Pipe pressing card for peristaltic pump

Info

Publication number: CN209856011U
Application number: CN201920677385.3U
Authority: CN
Inventors: 储江波
Original assignee: CHANGZHOU PREFLUID TECHNOLOGY Co Ltd
Current assignee: CHANGZHOU PREFLUID TECHNOLOGY Co Ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2019-12-27
Anticipated expiration: 2029-05-13

Abstract

The utility model discloses a peristaltic pump is with pressing pipe card, including the card body, the card body contains fixed bolster and elasticity card, elasticity card one end is the stiff end, and the other end is for removing the end, the stiff end with the fixed bolster is fixed, the fixed bolster still is connected with and is used for the extrusion remove the extrusion device of end, the elasticity card is in produce the deformation under the extrusion device extrusion. The utility model discloses an extrusion device's squeezing action can make the elasticity card warp, changes the space size between elasticity card and the wheel components, can be used for extrudeing not unidimensional elastic hose, also can adjust the flow of peristaltic pump at any time simultaneously, and the suitability is wider, and it is more convenient to use.

Description

Pipe pressing card for peristaltic pump

Technical Field

The utility model relates to a part of pump especially relates to a peristaltic pump is with pressing pipe card.

Background

Peristaltic pumps belong to one type of volumetric pumps and are mainly used for the dispensing and delivery of fluids. Peristaltic pump head during operation, the roller is rotatory, extrude elastic hose, carry fluid through elastic hose, in the peristaltic pump structure of only preceding baffle and backplate, need use and press pipe card extrusion elastic hose, press the pipe card among the prior art to not have regulatory function, to different flow demand and different elastic hose sizes, need use different pipe cards of pressing, press the suitability greatly reduced of pipe card, and be not convenient for adjust the flow at any time after the peristaltic pump installation is accomplished, it is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the pipe card of pressing among the prior art and have unable regulation extrusion size, the suitability is relatively poor, the technical problem of the flow control of peristaltic pump of being not convenient for, the utility model provides a pipe card is pressed to peristaltic pump solves above-mentioned problem.

The utility model provides a technical scheme that its technical problem adopted is: a pressure tube card for a peristaltic pump comprises a card body; the card body contains fixed bolster and elasticity card, elasticity card one end is the stiff end, and the other end is for removing the end, the stiff end with the fixed bolster is fixed, the fixed bolster still is connected with and is used for the extrusion remove the extrusion device of end, the elasticity card is in produce the deformation under the extrusion device extrusion.

Furthermore, the fixed bolster is the door type structure, the elasticity card is located the inboard of fixed bolster, extrusion device is located the top of elasticity card, the removal end is in extrusion device extrudees the downward bending deformation.

Further, the extrusion device comprises a ratchet wheel, and ratchets are arranged on the outer ring of the ratchet wheel; the ratchet wheel is movably connected with the fixed support and matched with the vertex angle of the moving end, and the moving end bends and deforms downwards under the extrusion of the ratchet wheel.

Preferably, a rotating handle is arranged on the ratchet wheel.

Preferably, a mounting groove is formed above the fixing support, the ratchet wheel clamp is arranged in the mounting groove, and the ratchet wheel is rotatably connected with the mounting groove.

Preferably, a protruding tip portion is arranged at the vertex angle of the moving end, and when the elastic card is in a free state, the central line of the protruding tip portion passes through the rotation center of the ratchet wheel.

Furthermore, extrusion device include the briquetting and with the spring body that briquetting one end is connected, remove the end and support and be in spring body tip, remove the end and be in the downward bending deformation of spring body extrusion.

Preferably, the top of the moving end has a groove adapted to be inserted into the spring body.

Preferably, a vertical mounting hole is formed in the upper portion of the fixing support, the upper portion of the pressing block is arranged in the vertical mounting hole, a convex shoulder is arranged in the middle of the pressing block, the convex shoulder is clamped on the lower surface of the vertical mounting hole, a pin is arranged on the lower portion of the pressing block, and the spring body is sleeved on the pin.

Furthermore, two side arms of the fixed support are respectively provided with a U-shaped bayonet, and the U-shaped bayonet is opened along the horizontal direction.

Preferably, the U-shaped bayonet is disposed toward an outer side of the side arm.

Preferably, the lower surface of the elastic clamping piece is an inwards concave arc surface.

Preferably, the ratchet teeth are one-way teeth.

Preferably, the fixed support and the elastic card are integrally manufactured in an injection molding mode.

The utility model has the advantages that:

(1) peristaltic pump with press pipe card can bending deformation, through extrusion of extrusion device can make the elasticity card warp, changes the space size between elasticity card and the wheel components, can be used for extruding not unidimensional elastic hose, also can adjust the flow of peristaltic pump at any time simultaneously, the suitability is wider, and it is more convenient to use.

(2) The utility model discloses in extrude through rotatory ratchet the elasticity card can adjust suitable flow according to individual needs, and it is more convenient to use.

(3) The utility model discloses can also need not the manual operation extrusion through spring extrusion elasticity card, be applicable to the flow to the peristaltic pump and test the analysis, avoid the manual operation to bring error influence test accuracy.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of a pressure tube clamping sheet for a peristaltic pump according to an embodiment of the present invention;

fig. 2 is a front view of an embodiment of a pressure tube clip for a peristaltic pump according to the present invention (the elastic clip is in a free state);

FIG. 3 is a sectional view taken along line A-A of FIG. 2;

fig. 4 is a front view of an embodiment of the pressure tube clip for a peristaltic pump according to the present invention (the elastic clip is in a bent state).

Fig. 5 is a schematic cross-sectional view of an embodiment 4 of a pressure tube clip for a peristaltic pump according to the present invention;

fig. 6 is an enlarged view of a in fig. 5.

In the drawing, the spring comprises a card body 1, a fixing support 1-1, an elastic card 1-2, a ratchet 2-1, a ratchet 2-2, a rotating handle 3, a U-shaped bayonet 4, an arc surface 51, a mounting groove 6, a convex tip 7, a pressing block 71, a convex shoulder 72, a pin 8, a spring body 9, a groove 52 and a vertical mounting hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "horizontal", "top", "inner", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, the pressure tube clamping sheet for the peristaltic pump comprises a clamping sheet body 1, wherein the clamping sheet body 1 comprises a fixed support 1-1 and an elastic clamping sheet 1-2, one end of the elastic clamping sheet 1-2 is a fixed end, the other end of the elastic clamping sheet is a movable end, the fixed end is fixed to the fixed support 1-1, the fixed support 1-1 is further connected with an extruding device for extruding the movable end, and the elastic clamping sheet 1-2 deforms under the extrusion of the extruding device.

The fixing support 1-1 is used for fixing with the shell of the peristaltic pump, the elastic hose is clamped between the elastic clamping piece 1-2 and the roller component, the extruding device extrudes the moving end of the elastic clamping piece 1-2, the moving end drives the elastic clamping piece 1-2 to move towards the elastic hose, so that the size of a flow passage of the elastic hose is changed, and the elastic clamping piece 1-2 can be bent and deformed because one end of the elastic clamping piece 1-2 is fixed; when the pressing device is reset, the elastic card 1-2 can be reset again.

Embodiment 1, a pressure tube clamping sheet for a peristaltic pump comprises a clamping sheet body 1 and an extrusion device for extruding a moving end, wherein the extrusion device comprises a ratchet 2, and ratchets 2-1 are arranged on the outer ring of the ratchet 2; the card body 1 comprises a fixed support 1-1 and an elastic card 1-2, the fixed support 1-1 is of a door-shaped structure, a ratchet 2 is movably connected with the fixed support 1-1, one end of the elastic card 1-2 is a fixed end, the other end of the elastic card is a movable end, the fixed end is fixed with the fixed support 1-1, the elastic card 1-2 is located on the inner side of the fixed support 1-1, the ratchet 2 is located above the elastic card 1-2 and matched with a vertex angle of the movable end, the movable end bends and deforms downwards under the extrusion of the ratchet 2, and the lower surface of the elastic card 1-2 is an inwards concave arc surface 4 corresponding to the arc-shaped upper surface structure of a roller component. When the ratchet wheel 2 is rotated, the ratchet wheel 2 can extrude the moving end of the elastic card 1-2, and when the ratchet wheel 2 is rotated reversely, the elastic card 1-2 can reset again. When in use, the fixed support 1-1 is fixed above the roller component, and the fixed support 1-1 can be fixed with the shell of the peristaltic pump through screws. When the ratchet 2 extrudes the elastic clamping piece 1-2, the reverse acting force of the elastic clamping piece 1-2 is applied, when the connection between the ratchet 2 and the fixed support 1-1 is loose, the ratchet 2 and the fixed support 1-1 can be fixed by using a fixed pin or other detachable fixing modes after the adjustment is finished.

Embodiment 2, as shown in fig. 2, a pressure tube clamping sheet for a peristaltic pump comprises a clamping sheet body 1 and an extruding device for extruding the moving end, wherein the extruding device comprises a ratchet 2, and the outer ring of the ratchet 2 is provided with a ratchet 2-1; the card body 1 comprises a fixed support 1-1 and an elastic card 1-2, the card body 1 is integrally manufactured in an injection molding mode, so that the whole card body 1 has deformability, the fixed support 1-1 is of a door-shaped structure, two side arms of the fixed support 1-1 are respectively provided with a U-shaped bayonet 3, and the U-shaped bayonet 3 is opened along the horizontal direction. The ratchet 2 is movably connected with the fixed support 1-1, one end of the elastic clamping piece 1-2 is a fixed end, the other end of the elastic clamping piece 1-2 is a movable end, the fixed end is fixed with the fixed support 1-1, the elastic clamping piece 1-2 is located on the inner side of the fixed support 1-1, the ratchet 2 is located above the elastic clamping piece 1-2 and matched with the vertex angle of the movable end, and the movable end bends and deforms downwards under the extrusion of the ratchet 2. The U-shaped bayonet 3 is clamped on the shell of the peristaltic pump, the U-shaped bayonet 3 can be arranged towards the outer side of the side arm or towards the inner side of the side arm, if the U-shaped bayonet 3 is arranged towards the outer side of the side arm, the two side arms are squeezed inwards during installation, the U-shaped bayonet 3 is aligned to the clamping position of the shell of the peristaltic pump, then the two side arms are loosened, the U-shaped bayonet 3 is clamped on the shell of the peristaltic pump, and otherwise, the two side arms are pulled outwards; in this embodiment, the U-shaped bayonet 3 is preferably provided toward the outside of the side arm, and the side arm is not easily broken.

Compared with the embodiment 1, the fixing mode of the fixing support 1-1 is changed from screw fixing to clamping fixing, redundant fixing parts are not needed, and the installation is more convenient and faster.

Embodiment 3, in embodiment 1 and embodiment 2, the fixing structure needs to be independently arranged to fix the ratchet 2, so that the structure of the pressure pipe clamping sheet is complicated, and the following improvements are made for the embodiment: as shown in fig. 1 and fig. 3, under the condition that the rest structure is not changed, a mounting groove 51 is arranged above the fixed support 1-1, the ratchet 2 is clamped in the mounting groove 51, the ratchet 2 is rotatably connected with the mounting groove 51, a raised tip 6 is arranged at the vertex angle of the moving end, and when the elastic card 1-2 is in a free state, the central line of the raised tip 6 passes through the rotation center of the ratchet 2. The ratchet wheel 2 can be subjected to reverse friction force through the extrusion effect of the ratchet wheel 2 and the mounting groove 51, the deformation amount of the elastic clamping piece 1-2 is usually small (as shown in fig. 4), when the elastic clamping piece 1-2 deforms, the offset amount of the center line of the convex tip part 6 is small, and the convex tip part 6 almost abuts against the bottom center of the ratchet wheel 2, so that the lateral acting force of the elastic clamping piece 1-2, which is applied to the ratchet wheel 2, is small, the reverse friction force between the mounting groove 51 and the ratchet wheel 2 can be completely counteracted, and the ratchet wheel 2 does not need to be fixed by other fixing structures.

Preferably, as shown in fig. 4, the ratchet 2-1 is a one-way tooth, so that the ratchet 2 is rotated more easily when the elastic clamping piece 1-2 is pressed.

Preferably, the ratchet wheel 2 is provided with a rotating handle 2-2.

Embodiment 4, as shown in fig. 5 and 6, the structure of the pressing device in the above embodiment is replaced with the following structure: the extrusion device comprises a pressing block 7 and a spring body 8 connected with one end of the pressing block 7, the moving end abuts against the end portion of the spring body 8, and the moving end bends and deforms downwards under the extrusion of the spring body 8. This embodiment need not artifical regulation extrusion force, can rely on the elasticity of spring body 8 itself to extrude, when carrying out the flow test, to the same pipe diameter hose, can guarantee that the result of at every turn testing is the same, avoids human error.

In particular, the top of the moving end has a groove 9 adapted to be inserted into the spring body 8, so as to prevent the spring body 8 from bending. A vertical mounting hole 52 is formed above the fixing support 1-1, the upper portion of the press block 7 is arranged in the vertical mounting hole 52, a convex shoulder 71 is arranged in the middle of the press block 7, the convex shoulder 71 is clamped on the lower surface of the vertical mounting hole 52, a pin 72 is arranged at the lower portion of the press block 7, and the spring body 8 is sleeved on the pin 72. Shoulder 71 prevents pressing block 7 from moving upward during pressing.

The utility model discloses simple structure, convenient operation, application scope is wide, installs and to adjust liquid flow at any time on the peristaltic pump.

In this specification, the schematic representations of the terms are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a pressure pipe card for peristaltic pump which characterized in that: the card comprises a card body (1), wherein the card body (1) comprises a fixed support (1-1) and an elastic card (1-2), one end of the elastic card (1-2) is a fixed end, the other end of the elastic card is a movable end, and the fixed end is fixed with the fixed support (1-1); the fixed support (1-1) is further connected with an extrusion device for extruding the moving end, and the elastic clamping piece (1-2) deforms under the extrusion of the extrusion device.

2. The pressure tube card for a peristaltic pump according to claim 1, wherein: the fixing support (1-1) is of a door-shaped structure, the elastic clamping piece (1-2) is located on the inner side of the fixing support (1-1), the extruding device is located above the elastic clamping piece (1-2), and the moving end bends and deforms downwards under the extrusion of the extruding device.

3. The pressure tube card for a peristaltic pump according to claim 2, wherein: the extrusion device comprises a ratchet wheel (2), and ratchets (2-1) are arranged on the outer ring of the ratchet wheel (2); the ratchet wheel (2) is movably connected with the fixed support (1-1) and matched with the vertex angle of the moving end, and the moving end bends and deforms downwards under the extrusion of the ratchet wheel (2).

4. The pressure tube card for a peristaltic pump according to claim 3, wherein: the ratchet wheel (2) is provided with a rotating handle (2-2).

5. The pressure tube card for a peristaltic pump according to claim 3, wherein: the ratchet wheel fixing support is characterized in that a mounting groove (51) is formed in the upper portion of the fixing support (1-1), the ratchet wheel (2) is clamped in the mounting groove (51), and the ratchet wheel (2) is rotatably connected with the mounting groove (51).

6. The pressure tube card for a peristaltic pump according to claim 3, wherein: the vertex angle department of removing the end is equipped with protruding point portion (6), and when elasticity card (1-2) was in free state, the central line of protruding point portion (6) crossed the rotation center of ratchet (2).

7. The pressure tube card for a peristaltic pump according to claim 2, wherein: the extrusion device comprises a pressing block (7) and a spring body (8) connected with one end of the pressing block (7), the moving end abuts against the end portion of the spring body (8), and the moving end bends and deforms downwards under the extrusion of the spring body (8).

8. The pressure tube card for a peristaltic pump according to claim 7, wherein: the top of the mobile end has a recess (9) adapted to be inserted into the spring body (8).

9. The pressure tube card for a peristaltic pump according to claim 7, wherein: the upper portion of the fixed support (1-1) is provided with a vertical mounting hole (52), the upper portion of the pressing block (7) is arranged in the vertical mounting hole (52), a convex shoulder (71) is arranged in the middle of the pressing block (7), the convex shoulder (71) is clamped on the lower surface of the vertical mounting hole (52), a pin (72) is arranged on the lower portion of the pressing block (7), and the spring body (8) is sleeved on the pin (72).

10. The pressure tube card for a peristaltic pump according to claim 1, wherein: two side arms of the fixed support (1-1) are respectively provided with a U-shaped bayonet (3), and the U-shaped bayonet (3) is opened along the horizontal direction.