A filling peristaltic pump

Abstract

The present invention relates to a filling peristaltic pump, comprising a base, a cover, an opening and closing adjustment component and at least one pump head; each pump head comprises a pump casing, a rotor, and a hose clamping component, all of the pump heads are stacked in sequence on the upper end surface of the base, a pump chamber is formed inside the pump casing, the rotor is rotatably installed in the pump chamber, a hose accommodating channel with adjustable width is formed on one side of the rotor, the two ends of the hose accommodating channel are respectively a hose inlet and a hose outlet, there are two hose clamping assemblies, the two hose clamping assemblies are respectively installed at the hose inlet and the hose outlet, for clamping hoses at corresponding positions; the opening and closing adjustment component is installed on the base and connected to any pump casing, for adjusting the width of the corresponding hose accommodating channel, and the detachable cover is arranged at the upper end of the uppermost pump head; the invention solves the technical problem in the prior art that the liquid pipeline inside the peristaltic pump cannot be cleaned by online sterilization by using the setting of the opening and closing adjustment component.

Description

Technical Field

[0001] The present invention relates to the technical field of fluid delivery pump equipment, in particular to a filling peristaltic pump. Background Art

[0002] Currently, liquid delivery is accomplished using peristaltic pumps, linear pumps, or pipettes. Prior art peristaltic pumps require disassembling the pump to sterilize and clean the liquid pipeline (i.e., the hose). This is not feasible with prior art peristaltic pumps, as they require precise liquid transfers automatically according to program requirements and require online sterilization and cleaning of the liquid pipeline.

[0003] Therefore, it is necessary to design a new device to achieve liquid delivery while meeting the requirements of online sterilization and cleaning. Summary of the Invention

[0004] Based on this, the present invention provides a filling peristaltic pump to solve the technical problem in the prior art that the liquid pipeline inside the peristaltic pump cannot be sterilized and cleaned online.

[0005] The technical solution of the present invention to solve the above technical problems is as follows: A filling peristaltic pump, characterized in that it includes a base, a cover, an opening and closing adjustment component and at least one pump head;

[0006] Each of the pump heads includes a pump housing, a rotor, and a hose clamping assembly. All of the pump heads are stacked in sequence on the upper end surface of the base. A pump chamber is formed inside the pump housing. The rotor is rotatably installed in the pump chamber. A hose accommodating channel with adjustable width is formed on one side of the rotor. The two ends of the hose accommodating channel are respectively a hose inlet and a hose outlet. There are two hose clamping assemblies, which are respectively installed at the hose inlet and the hose outlet for clamping the hoses at corresponding positions.

[0007] The opening and closing adjustment assembly is mounted on the base and connected to any one of the pump housings, and is used to adjust the width of the corresponding hose accommodating channel;

[0008] The detachable cover of the cover body is arranged on the upper end of the uppermost pump head.

[0009] On the basis of the above technical solution, the present invention can also be improved as follows.

[0010] Furthermore, the pump housing includes a bottom plate, a fixed block, a pressure block and an elastic member; the bottom plate is arranged close to one side of the base, the fixed block is fixedly installed on the upper end surface of the bottom plate, the pressure block is slidably installed on the upper end surface of the bottom plate and is arranged opposite to the fixed block, the pump chamber is formed by the inner side wall of the fixed block and the inner side wall of the corresponding pressure block, the elastic member is installed between the fixed block and the pressure block, and is used to drive the pressure block to slide toward the side away from the fixed block; the hose accommodating channel is formed between the rotor and the inner side wall of the pressure block, the opening and closing adjustment assembly is installed on the base and connected to the pressure block at the lower end, and is used to drive the pressure block to slide toward the side close to the corresponding fixed block, all the pressure blocks are fixedly connected by connecting members, and all the rotors are installed on a common rotating shaft.

[0011] Furthermore, a strip guide groove is formed on the upper end surface of the bottom plate, one end of the strip guide groove is arranged toward the bottom fixed block, and the bottom of the bottom pressing block has a guide portion that cooperates with the strip guide groove.

[0012] Furthermore, the guide portion includes a guide screw vertically installed on the bottom surface of the pressure block and a locking nut installed on the guide screw. The strip guide groove is arranged to pass through the base plate in the vertical direction. The lower end of the guide screw passes through the strip guide groove, and the locking nut is installed on the lower end of the guide screw.

[0013] Furthermore, the opening and closing adjustment assembly includes a balance wheel mechanism and a drive shaft, the balance wheel mechanism includes a connecting rod and a rotating wheel, the rotating wheel is rotatably connected to one end of the connecting rod, the rotating shaft of the rotating wheel is vertically arranged, the upper end of the driving shaft passes through the base and the bottom plate and is connected to the connecting rod, which is used to drive the connecting rod to rotate, and a limiting groove is formed on the lower end face of the corresponding pressure block, the width of the limiting groove is greater than the diameter of the rotating wheel, and the inner side wall of the limiting groove close to the rotor side abuts against the rotating wheel.

[0014] Furthermore, a limiting notch is formed on the inner side wall of the limiting groove close to the rotor, and the size of the limiting notch is adapted to the outer diameter of the runner.

[0015] Furthermore, the connecting rod includes two single rods arranged in parallel and at intervals, and two adjacent side surfaces cooperate to form a limiting hole, and the limiting hole is adapted to the upper end of the driving shaft.

[0016] Furthermore, each of the hose clamping assemblies includes a clip, a guide column and a guide sleeve, and the pressure block is formed with an inward mounting groove at the positions corresponding to the hose inlet and the hose outlet, and the elastic member is installed in the mounting groove, one end of the clip is connected to the elastic member, and the other end has a U-shaped groove, and the clip is vertically arranged relative to the base plate, and the fixed block is formed with a mounting groove adapted to the hose corresponding to the U-shaped groove, and the bottom of the mounting groove is formed with a avoidance notch corresponding to the clip; the guide column is transversely installed on the side of the fixed block facing the pressure block, and the guide sleeve is transversely installed on the side of the pressure block facing the fixed block, and the guide sleeve is arranged corresponding to the guide column, and a guide hole is formed on the position of the pressure block corresponding to the guide column.

[0017] Furthermore, the cover is detachably mounted on the upper end of the uppermost pump head by means of a set screw.

[0018] Furthermore, the filling peristaltic pump also includes a driving mechanism, which includes a driving motor and a reducer. The output shaft of the driving motor is connected to the power input end of the reducer, and the power output end of the reducer is drivingly connected to the rotating shaft of the rotor.

[0019] Compared with the existing technology, the technical solution of the present application has the following beneficial technical effects: the peristaltic pump provided by the present application adjusts the width of the hose accommodating channel in the pump casing through the opening and closing adjustment component, thereby changing the opening of the hose inside the pump head. The internal channel of the hose can be opened or closed as needed, which facilitates the smooth passage of steam and liquid during online sterilization or cleaning. At the same time, the structure realizes multi-channel expansion of the peristaltic pump through the stacking of pump heads, saving occupied space. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the external three-dimensional structure of a filling peristaltic pump provided in the first embodiment of the present invention;

[0021] Figure 2 A schematic diagram of the explosion structure of the filling peristaltic pump provided in the first embodiment of the present invention;

[0022] Figure 3 A structural diagram from another perspective;

[0023] Figure 4 Schematic diagram of a transverse cross section of a pump head in Embodiment 1 of the present invention;

[0024] Figure 5 This is a schematic structural diagram of the opening and closing adjustment component in the first embodiment of the present invention;

[0025] Figure 6 This is a schematic structural diagram of a briquette according to an embodiment of the present invention;

[0026] Figure 7 A schematic diagram of the external three-dimensional structure of a filling peristaltic pump provided in the second embodiment of the present invention;

[0027] Figure 8 Schematic diagram of transverse and longitudinal sections of a filling peristaltic pump provided in the second embodiment of the present invention.

[0028] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0029] 1. Base; 2. Cover; 3. Opening and closing adjustment assembly; 4. Pump head; 5. Driving mechanism; 41. Pump housing; 42. Rotor; 43. Hose clamping assembly; 41a. Pump chamber; 41b. Hose accommodating channel; b1. Hose inlet; b2. Hose outlet; 411. Bottom plate; 412. Fixing block; 413. Pressing block; 413a. Limiting groove; 413b. Limiting notch; 414. Elastic member; 411a. Strip guide groove; 4121. Guide screw; 4222. Locking nut; 31. Pendulum mechanism; 32. Driving shaft; 311. Connecting rod; 312. Rotor; 311a. Limiting hole; 431. Clip; 432. Guide column; 433. Guide sleeve; 51. Driving motor; 52. Reducer; 4131. Connecting piece. DETAILED DESCRIPTION

[0030] To facilitate understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The accompanying drawings provide embodiments of the present application. However, the present application may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of the present application more thorough and comprehensive.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application pertains. The terms used herein in the specification of this application are for the purpose of describing specific embodiments only and are not intended to limit this application.

[0032] It will be understood that spatial relational terms such as "under," "beneath," "below," "under," "above," "above," etc., may be used herein to describe the relationship of an element or feature shown in the figures to other elements or features. It will be understood that in addition to the orientations shown in the figures, spatial relational terms also include different orientations of the device in use and operation. For example, if the device in the drawings is turned over, the element or feature described as "under" or "beneath" or "beneath" the other elements will be oriented as "above" the other elements or features. Thus, the exemplary terms "under" and "under" may include both upper and lower orientations. In addition, the device may also include alternative orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptors used herein are interpreted accordingly.

[0033] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element or connected to the other element through an intermediate element. In the following embodiments, "connection" should be understood as "electrical connection", "communication connection", etc., if the connected circuits, modules, units, etc. can transmit electrical signals or data to each other.

[0034] When used herein, the singular forms "a", "an", and "the" may also include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include / comprise" or "have" and the like specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the possibility of the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

[0035] Example 1

[0036] like Figures 1 to 6 As shown, the present application provides a filling peristaltic pump, including a base 1, a cover 2, an opening and closing adjustment component 3 and a pump head 4.

[0037] The pump head 4 includes a pump housing 41, a rotor 42, and a hose clamping assembly 43. The pump head 4 is arranged on the upper end surface of the base 1. A pump chamber 41a is formed inside the pump housing 41. The rotor 42 is rotatably installed in the pump chamber 41a. A hose accommodating channel 41b with adjustable width is formed on one side of the rotor 42. The two ends of the hose accommodating channel 41b are respectively a hose inlet b1 and a hose outlet b2. There are two hose clamping assemblies 43, which are respectively installed at the hose inlet b1 and the hose outlet b2 for clamping the hoses at the corresponding positions.

[0038] The opening and closing adjustment component 3 is installed on the base 1 and connected to the pump housing 41, and is used to adjust the width of the hose accommodating channel 41b;

[0039] The cover body 2 is detachably mounted on the upper end of the pump head 4 .

[0040] Specifically, the pump housing 41 includes a bottom plate 411 , a fixing block 412 , a pressing block 413 and an elastic member 414 .

[0041] The bottom plate 411 is arranged near one side of the base 1, and the fixing block 412 is fixedly mounted on the upper end surface of the bottom plate 411. Usually, the fixing block 412 is connected to the upper end surface of the bottom plate 411 by a plurality of screws.

[0042] The pressure block 413 is slidably mounted on the upper end surface of the base plate 411 and is arranged opposite to the fixed block 412. The pump chamber 41a is formed by the inner wall of the fixed block 412 and the inner wall of the corresponding pressure block 413. The hose accommodating channel 41b is formed between the rotor 42 and the inner wall of the pressure block 413.

[0043] In the embodiment of the present application, a strip guide groove 411a is formed on the upper end surface of the base plate 411, one end of the strip guide groove 411a is arranged toward the lowermost fixed block 412, and the bottom of the lowermost pressing block 413 has a guide portion that cooperates with the strip guide groove 411a.

[0044] More preferably, the guide portion includes a guide screw 4121 vertically installed on the bottom surface of the pressure block 413 and a locking nut 4222 installed on the guide screw 4121, the strip guide groove 411a is arranged to pass through the base plate 411 in the vertical direction, the lower end of the guide screw 4121 passes through the strip guide groove 411a, and the locking nut 4222 is installed on the lower end of the guide screw 4121.

[0045] The arrangement of the guide screw 4121 and the locking nut 4222 ensures that the pressing block 413 can slide smoothly along the upper end surface of the bottom plate 411, thereby ensuring smooth adjustment of the width of the hose accommodating channel 41b.

[0046] The elastic member 414 is installed between the fixed block 412 and the pressing block 413 to drive the pressing block 413 to slide toward the side away from the fixed block 412; when the pressing block 413 slides toward the side away from the fixed block 412, the width of the hose accommodating channel 41b increases.

[0047] The opening and closing adjustment component 3 is installed on the base 1 and is connected to the pressure block 413, which is used to drive the pressure block 413 to slide toward the side close to the corresponding fixed block 412. When the pressure block 413 slides toward the side close to the fixed block 412, the width of the hose accommodating channel 41b becomes smaller, thereby realizing the adjustability of the hose accommodating channel 41b.

[0048] In a preferred embodiment of the present application, the opening and closing adjustment component 3 includes a balance wheel mechanism 31 and a drive shaft 32. The balance wheel mechanism 31 includes a connecting rod 311 and a rotating wheel 312. The rotating wheel 312 is rotatably connected to one end of the connecting rod 311. The rotating shaft of the rotating wheel 312 is vertically arranged. The upper end of the driving shaft 32 passes through the base 1 and the bottom plate 411 and is connected to the connecting rod 311, which is used to drive the connecting rod 311 to rotate. A limiting groove 413a is formed on the lower end surface of the pressure block 413. The width of the limiting groove 413a is greater than the diameter of the rotating wheel 312. The inner side wall of the limiting groove 413a close to the rotor 42 abuts against the rotating wheel 312.

[0049] A limiting notch 413 b is formed on the inner side wall of the limiting groove 413 a close to the rotor 42 . The size of the limiting notch 413 b is adapted to the outer diameter of the runner 312 .

[0050] The connecting rod 311 includes two parallel and spaced-apart single rods, and two adjacent side surfaces cooperate to form a limiting hole 311 a , which is adapted to the upper end of the driving shaft 32 .

[0051] Each hose clamping assembly 43 includes a clip 431, a guide column 432 and a guide sleeve 433. The pressure block 413 is formed with an inward mounting groove at the positions corresponding to the hose inlet b1 and the hose outlet b2. The elastic member 414 is installed in the mounting groove. One end of the clip 431 is connected to the elastic member 414, and the other end has a U-shaped groove. The clip 431 is vertically arranged relative to the base plate 411. The fixed block 412 is formed with a mounting groove adapted to the hose corresponding to the U-shaped groove, and the bottom of the mounting groove is formed with a avoidance notch corresponding to the clip 431; the guide column 432 is horizontally installed on the side of the fixed block 412 facing the pressure block 413, and the guide sleeve 433 is horizontally installed on the side of the pressure block 413 facing the fixed block 412. The guide sleeve 433 is arranged corresponding to the guide column 432, and a guide hole is formed on the pressure block 413 at the position corresponding to the guide column 432.

[0052] Specifically, the cover 2 is detachably mounted on the upper end of the uppermost pump head 4 by means of set screws.

[0053] In an embodiment of the present application, the filling peristaltic pump also includes a driving mechanism 5, which includes a driving motor 51 and a reducer 52. The output shaft of the driving motor 51 is connected to the power input end of the reducer 52, and the power output end of the reducer 52 is driven and connected to the rotating shaft of the rotor 42.

[0054] When the embodiment of the present application is in use, the drive shaft 32 is rotated by an attachment device electrically connected to the control system, thereby driving the connecting rod 311 of the balance wheel mechanism 31 to rotate. When the connecting rod 311 drives the rotating wheel 312 to swing toward the side close to the fixed block 412, the rotating wheel 312 pushes the pressing block 413 to slide toward the side close to the fixed block 412, and the width of the hose accommodating channel 41b becomes smaller; when the connecting rod 311 drives the rotating wheel 312 to swing toward the side away from the fixed block 412, the rotating wheel 312 releases the pressure on the pressing block 413, and the pressing block 413 slides toward the side away from the fixed block 412 under the elastic action of the elastic member 414, and the width of the hose accommodating channel 41b becomes larger. The width of the hose accommodating channel 41b is adjusted by controlling the swing of the connecting rod 311 to change the opening of the hose inside the pump head 4. During use, the internal channel of the hose can be opened or closed as needed. When the internal channel of the hose is opened to an appropriate opening, steam can pass through, thereby achieving online sterilization.

[0055] Example 2

[0056] like Figure 7 、 Figure 8 Combine Figure 4 As shown, this embodiment provides a filling peristaltic pump, wherein the technical solution of this embodiment is basically the same as that of embodiment 1, the difference being that the filling peristaltic pump in this embodiment includes a base 1, a cover 2, an opening and closing adjustment component 3, two pump heads 4 and a driving mechanism 5.

[0057] The structure of the pump head 4, the structure of the opening and closing adjustment component 3, and the structure of the driving mechanism 5 are consistent with those in Example 1 and will not be described in detail here. However, as a corresponding improvement, the opening and closing adjustment component 3 is installed on the base 1 and connected to the bottom plate 411 at the lowest end to adjust the width of the corresponding hose accommodating channel 41b. Specifically, the upper end of its driving shaft 32 passes through the base 1 and the bottom plate 411 at the lowest end and is connected to the connecting rod 311.

[0058] The cover 2 is covered on the upper end of the uppermost pump head 4 by means of set screws.

[0059] The two pressing blocks 413 are fixedly connected via a connecting piece 4131 , and the two rotors 42 are installed on a common rotating shaft 421 .

[0060] It is understandable that in other embodiments of the present application, the number of pump heads 4 can be further increased according to actual conditions, which will not be elaborated here.

[0061] In addition to having all the beneficial effects of the first embodiment, this embodiment further provides a multi-channel expansion of the pump head 4 of each filling peristaltic pump through the stacked arrangement of the pump heads 4, so that each filling peristaltic pump can accommodate multiple hoses at the same time, thereby increasing the efficiency of liquid delivery and reducing the equipment space occupied when multiple pumps are used.

[0062] The technical features of the above embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0063] The above-described embodiments merely represent several implementation methods of the present invention. Although the descriptions thereof are relatively specific and detailed, they should not be construed as limiting the scope of the invention. It should be noted that any modification, equivalent substitution, improvement, etc. made within the spirit and principles of the present invention by a person skilled in the art should be included within the scope of protection of the present invention.

Claims

1. A filling peristaltic pump, characterized in that: It includes a base, a cover, an opening and closing adjustment component and at least one pump head; Each of the pump heads includes a pump housing, a rotor, and a hose clamping assembly. All of the pump heads are stacked in sequence on the upper end surface of the base. A pump chamber is formed inside the pump housing. The rotor is rotatably installed in the pump chamber. A hose accommodating channel with adjustable width is formed on one side of the rotor. The two ends of the hose accommodating channel are respectively a hose inlet and a hose outlet. There are two hose clamping assemblies, which are respectively installed at the hose inlet and the hose outlet for clamping the hoses at corresponding positions. The opening and closing adjustment assembly is mounted on the base and connected to any one of the pump housings, and is used to adjust the width of the corresponding hose accommodating channel; The pump housing comprises a bottom plate, a fixed block, a pressure block and an elastic member; the bottom plate is arranged near one side of the base, the fixed block is fixedly mounted on the upper end surface of the bottom plate, the pressure block is slidably mounted on the upper end surface of the bottom plate and is arranged opposite to the fixed block, the pump chamber is formed by the inner side wall of the fixed block and the inner side wall of the corresponding pressure block, the elastic member is installed between the fixed block and the pressure block, and is used to drive the pressure block to slide to a side away from the fixed block; all the pressure blocks are fixedly connected by a connecting member, all the rotors are installed on a common rotating shaft, the hose accommodating channel is formed between the rotor and the inner side wall of the pressure block, the opening and closing adjustment assembly is installed on the base and connected to the pressure block at the lowermost end, and is used to drive the pressure block to slide to a side close to the corresponding fixed block; The opening and closing adjustment component includes a balance wheel mechanism and a driving shaft, the balance wheel mechanism includes a connecting rod and a rotating wheel, the rotating wheel is rotatably connected to one end of the connecting rod, the rotating shaft of the rotating wheel is vertically arranged, the upper end of the driving shaft passes through the base and the bottom plate at the lower end and is connected to the connecting rod for driving the connecting rod to rotate, and a limiting groove is formed on the lower end surface of the corresponding pressing block, the width of the limiting groove is greater than the diameter of the rotating wheel, the inner side wall of the limiting groove on the side close to the rotor abuts against the rotating wheel, and a limiting notch is formed on the inner side wall of the limiting groove on the side close to the rotor, and the size of the limiting notch is adapted to the outer diameter of the rotating wheel; Each of the hose clamping assemblies comprises a clip, a guide post and a guide sleeve, the pressure block is formed with mounting grooves inwardly at positions corresponding to the hose inlet and the hose outlet, the elastic member is installed in the mounting groove, one end of the clip is connected to the elastic member, and the other end has a U-shaped groove, the clip is vertically arranged relative to the bottom plate, the fixed block is formed with a mounting groove adapted to the hose corresponding to the U-shaped groove, and the bottom of the mounting groove is formed with a position avoidance notch corresponding to the clip; the guide post is transversely mounted on a side of the fixed block facing the pressure block, the guide sleeve is transversely mounted on a side of the pressure block facing the fixed block, the guide sleeve is arranged corresponding to the guide post, and a guide hole is formed on the pressure block at a position corresponding to the guide post; The detachable cover of the cover body is arranged on the upper end of the uppermost pump head.

2. The filling peristaltic pump according to claim 1, characterized in that: A strip guide groove is formed on the upper end surface of the bottom plate, one end of which is arranged toward the bottom fixed block, and the bottom of the bottom pressing block has a guide portion that cooperates with the strip guide groove.

3. The filling peristaltic pump according to claim 2, characterized in that: The guide portion includes a guide screw vertically installed on the bottom surface of the pressure block and a locking nut installed on the guide screw. The strip guide groove is arranged to pass through the base plate in the vertical direction. The lower end of the guide screw passes through the strip guide groove, and the locking nut is installed on the lower end of the guide screw.

4. The filling peristaltic pump according to claim 1, characterized in that: The connecting rod includes two parallel and spaced single rods, and two adjacent side surfaces cooperate to form a limiting hole, and the limiting hole is adapted to the upper end of the driving shaft.

5. The filling peristaltic pump according to claim 1, characterized in that: The cover is detachably mounted on the upper end of the uppermost pump head by means of set screws.

6. The filling peristaltic pump according to claim 1, characterized in that: The filling peristaltic pump further comprises a driving mechanism, which comprises a driving motor and a reducer, wherein the output shaft of the driving motor is connected to the power input end of the reducer, and the power output end of the reducer is drivingly connected to the rotating shaft of the rotor.

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