Peristaltic pump

Abstract

The utility model discloses a peristaltic pump which is provided with a buckle end and a screw end, the peristaltic pump comprises a pump body, the pump body is provided with a first buckle structure, and the first buckle structure is arranged at the buckle end; the pump body is provided with at least two liquid passing joints; the end cover is provided with a second buckle structure, the second buckle structure is arranged at the buckle end, and the second buckle structure is in buckle connection with the first buckle structure; the fixing screw is arranged at the screw end, the head of the fixing screw abuts against the end cover, and the fixing screw is in threaded connection with the pump body. The pump body is connected with one end of the end cover in a buckling manner, and the other end of the pump body is connected with the end cover in a screw manner, so that compared with the conventional scheme that the pump body and the end cover are fixed by a plurality of screws, the pump body and the end cover are more convenient to mount, the assembly time of the peristaltic pump can be greatly shortened, and the production efficiency of a factory is improved; and the maintenance efficiency of maintenance personnel can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pumps, in particular to a peristaltic pump. Background Art

[0002] In the prior art, the end cover and the pump body of a peristaltic pump are usually connected by a plurality of screws. When assembling the peristaltic pump manually, it is necessary to rotate a plurality of screws to complete the assembly of the end cover and the pump body, and the assembly efficiency of the peristaltic pump is relatively low. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is: to provide a peristaltic pump to solve one or more technical problems existing in the prior art, and at least provide a beneficial choice or create conditions.

[0004] The solution of the utility model to solve its technical problem is:

[0005] A peristaltic pump is provided with a snap end and a screw end, and the peristaltic pump includes:

[0006] A pump body, the pump body is provided with a first snap structure, and the first snap structure is arranged at the snap end; at least two liquid passing joints are installed on the pump body;

[0007] An end cover, the end cover is provided with a second snap structure, the second snap structure is arranged at the snap end, and the second snap structure is snap-connected with the first snap structure;

[0008] A fixing screw, the fixing screw is arranged at the screw end, the head of the fixing screw abuts against the end cover, and the fixing screw is threadedly connected with the pump body.

[0009] Through the above technical solution, by setting one end of the pump body and the end cover to be snap-connected and the other end to be screw-connected, compared with the conventional scheme of fixing the pump body and the end cover with a plurality of screws, the installation of the pump body and the end cover in this scheme is more convenient, which can greatly reduce the assembly time of the peristaltic pump to improve the production efficiency of the factory, and can also improve the inspection efficiency of maintenance personnel.

[0010] As a further improvement of the above technical solution, the pump body and the end cover enclose to form a pump chamber; a peristaltic tube, a turntable and peristaltic rollers are installed in the pump chamber; the end of the peristaltic tube is communicated with the liquid passing joint, the turntable is rotatably connected with the pump body, the peristaltic rollers are rotatably connected with the turntable, the number of the peristaltic rollers is set to be multiple, and the multiple peristaltic rollers are arranged at equal intervals in a circumferential direction around the central axis of the turntable.

[0011] As a further improvement of the above technical solution, the number of the peristaltic rollers is set to be three.

[0012] As a further improvement of the above technical solution, it further includes a driving motor fixedly connected to the pump body. The output shaft of the driving motor extends into the pump chamber, and the output shaft is fixed to the turntable.

[0013] As a further improvement of the above technical solution, a first bearing is provided between the turntable and the end cover.

[0014] Through the above technical solution, by providing a first bearing between the end cover and the turntable, a certain support can be provided on the side of the turntable away from the driving motor, and the rotational friction of the turntable can be made smaller.

[0015] As a further improvement of the above technical solution, the liquid connection joint includes a first joint part and a second joint part that are interconnected, and the first joint part and the second joint part are perpendicularly arranged.

[0016] As a further improvement of the above technical solution, both the first joint part and the second joint part are taper pipe joints.

[0017] Through the above technical solution, by setting the second joint part and the first joint part as taper pipe joints, rapid connection between the liquid connection joint and other pipeline structures can be achieved, and a good anti-leakage effect can be achieved.

[0018] As a further improvement of the above technical solution, the liquid connection joint is provided with a card slot, and the pump body is provided with a clamping strip, and the clamping strip is in plug-in fit with the card slot.

[0019] Through the above technical solution, the liquid connection joint and the pump body are connected through the card slot and the clamping strip, so that the liquid connection joint can be quickly installed on the pump body, and the installation of the liquid connection joint is relatively simple.

[0020] The beneficial effects of the present utility model are: reducing the assembly time of the peristaltic pump to improve the production efficiency of the factory, and improving the inspection efficiency of maintenance personnel.

[0021] The present utility model is used in the technical field of pumps. Description of the Drawings

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly describe the drawings required for use in the description of the embodiments. Obviously, the described drawings are only a part of the embodiments of the present utility model, rather than all embodiments. Those skilled in the art can also obtain other design solutions and drawings based on these drawings without creative efforts.

[0023] Figure 1 It is an exploded structural schematic diagram of an embodiment of the present utility model.

[0024] In the figure, 100 is the pump body; 110 is the first buckle structure; 120 is the clamping strip; 200 is the end cover; 300 is the fixing screw; 400 is the liquid connection joint; 410 is the first connection part; 420 is the second connection part; 430 is the card slot; 500 is the driving motor; 610 is the peristaltic roller; 620 is the turntable; 630 is the peristaltic tube; 640 is the first bearing. Detailed implementation manners

[0025] The following will clearly and completely describe the concept, specific structure and technical effects generated by the present utility model in combination with the embodiments and the drawings, so as to fully understand the purpose, features and effects of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present utility model. In addition, all the connection / connection relationships mentioned in the text do not simply refer to the direct connection of components, but refer to the more optimal connection structure that can be formed by adding or reducing connection accessories according to the specific implementation situation. Each technical feature in the present invention can be combined with each other without conflicting with each other.

[0026] In the description of the present utility model, it should be understood that for the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model.

[0027] In the description of the present utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood as not including the present number, and above, below, within, etc. are understood as including the present number. If the first and second are described only for the purpose of distinguishing technical features, they cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0028] Refer to Figure 1 , a peristaltic pump, which is provided with a screw end and a buckle end, and the screw end and the buckle end are respectively the two ends of the peristaltic pump.

[0029] The peristaltic pump includes: a pump body 100, an end cover 200, a fixing screw 300, a liquid connection joint 400 and a driving motor 500.

[0030] The side wall of the pump body 100 is provided with a first buckle structure 110, and the first buckle structure 110 is arranged at the buckle end.

[0031] The end cover 200 is installed at the upper end of the pump body 100, and a pump chamber is formed between the end cover 200 and the pump body 100. The end cover 200 is provided with a second snap structure, which is arranged at the snap end. The first snap structure 110 is correspondingly arranged with the second snap structure, and the first snap structure 110 is snap-connected with the second snap structure.

[0032] The fixing screw 300 is arranged at the screw end. The fixing screw 300 passes through the end cover 200. The head of the fixing screw 300 abuts against the end cover 200, and the tail of the fixing screw 300 is threadedly connected with the pump body 100 to fix one end of the end cover 200 to the pump body 100.

[0033] By setting one end of the pump body 100 and the end cover 200 to be snap-connected and the other end to be screw-connected, compared with the conventional scheme of fixing the pump body 100 and the end cover 200 with multiple screws, the installation of the pump body 100 and the end cover 200 in this scheme is more convenient, which can greatly reduce the assembly time of the peristaltic pump, improve the factory production efficiency, and improve the maintenance efficiency of the maintenance personnel.

[0034] The number of the liquid passing connectors 400 is set to two, and both of the two liquid passing connectors 400 are installed on the pump body 100. The two liquid passing connectors 400 are respectively used to connect the liquid inlet pipe and the liquid outlet pipe. In other embodiments, the number of the liquid passing connectors 400 can also be set to three, four, etc. to meet the requirements of one inlet and two outlets, one inlet and three outlets, etc. Those skilled in the art can select the number of the liquid passing connectors 400 according to actual needs.

[0035] The liquid passing connector 400 includes a second joint part 420 and a first joint part 410. The second joint part 420 and the first joint part 410 are communicated with each other, and in this embodiment, the second joint part 420 and the first joint part 410 are arranged perpendicular to each other. The first joint part 410 extends out of the end cover 200, and the second joint part 420 extends towards the inside of the pump chamber.

[0036] Both the second joint part 420 and the first joint part 410 are set as step cones. By setting the second joint part 420 and the first joint part 410 as step cones, the quick connection between the liquid passing connector 400 and other pipeline structures can be realized, and a good anti-leakage effect can be achieved.

[0037] The liquid passing connector 400 is provided with a clamping groove 430, and the pump body 100 is provided with a clamping strip 120. The clamping groove 430 is in plug-in fit with the clamping strip 120. The liquid passing connector 400 and the pump body 100 are connected through the clamping groove 430 and the clamping strip 120, so that the liquid passing connector 400 can be quickly installed on the pump body 100, and the installation of the liquid passing connector 400 is relatively simple.

[0038] The driving motor 500 is fixedly connected to the pump body 100, and the output shaft of the driving motor 500 passes through the pump body 100 and extends into the pump chamber.

[0039] A peristaltic roller 610, a turntable 620 and a peristaltic tube 630 are installed in the pump chamber.

[0040] The turntable 620 is fixedly connected to the output shaft of the driving motor 500. When the driving motor 500 operates, it will drive the turntable 620 to rotate around its central axis, and the turntable 620 is rotatably connected to the pump body 100.

[0041] A first bearing 640 is provided between the end cover 200 and the turntable 620. By providing the first bearing 640 between the end cover 200 and the turntable 620, a certain support can be provided on the side of the turntable 620 away from the driving motor 500, and the rotational friction of the turntable 620 can be reduced.

[0042] In this embodiment, the number of peristaltic rollers 610 is set to three. In other embodiments, the number of peristaltic rollers 610 can also be set to four, five, six, etc. Those skilled in the art can select the specific number of peristaltic rollers 610 according to actual needs. A plurality of peristaltic rollers 610 are arranged equidistantly in a circumferential direction around the central axis of the turntable 620.

[0043] In this embodiment, the two ends of the peristaltic tube 630 are respectively connected to two second connectors 420 so that the two liquid connection joints 400 are communicated. In other embodiments, the peristaltic tube 630 can be set as a structure in which a plurality of pipes are communicated to realize connection with a plurality of liquid connection joints 400.

[0044] The above has specifically described the preferred embodiments of the present invention, but the present invention is not limited to the above embodiments. Those skilled in the art can also make various equivalent variations or substitutions without departing from the spirit of the present invention, and these equivalent variations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. Peristaltic pump, characterized in that: Available with snap-on and screw-on ends, the peristaltic pump includes: The pump body is provided with a first buckle structure, and the first buckle structure is arranged at the buckle end; the pump body is installed with at least two liquid-passing joints; The end cover is provided with a second buckle structure, the second buckle structure is arranged at the buckle end, and the second buckle structure is buckled and connected with the first buckle structure; A fixing screw is arranged at the screw end, a head of the fixing screw abuts against the end cover, and the fixing screw is threadedly connected to the pump body.

2. The peristaltic pump according to claim 1, characterized in that: The pump body and the end cover are surrounded to form a pump chamber; a peristaltic tube, a turntable and a peristaltic roller are installed in the pump chamber; the end of the peristaltic tube is connected to the liquid connection joint, the turntable is rotatably connected to the pump body, the peristaltic roller is rotatably connected to the turntable, the number of peristaltic rollers is set to be multiple, and the multiple peristaltic rollers are equidistantly arranged around the circumference of the central axis of the turntable.

3. The peristaltic pump according to claim 2, characterized in that: The number of peristaltic rollers is set to three.

4. The peristaltic pump according to claim 2, characterized in that: The pump also includes a driving motor fixedly connected to the pump body, wherein an output shaft of the driving motor extends into the pump chamber, and the output shaft is fixed to the rotating disk.

5. The peristaltic pump according to claim 2, characterized in that: A first bearing is arranged between the rotating disk and the end cover.

6. The peristaltic pump according to claim 1, characterized in that: The liquid-through joint comprises a first joint portion and a second joint portion which are interconnected, and the first joint portion and the second joint portion are vertically arranged.

7. The peristaltic pump according to claim 6, characterized in that: The first joint part and the second joint part are both pagoda joints.

8. The peristaltic pump according to claim 1, characterized in that: The liquid-passing joint is provided with a clamping groove, and the pump body is provided with a clamping strip, which is plug-fitted with the clamping groove.

Images