CN212928148U

CN212928148U - Novel peristaltic pump

Info

Publication number: CN212928148U
Application number: CN202021908879.7U
Authority: CN
Inventors: 邓明坤; 许娜
Original assignee: Thunder Melt Fluid Technology Shanghai Co ltd
Current assignee: Thunder Melt Fluid Technology Shanghai Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-04-09
Anticipated expiration: 2030-09-04

Abstract

The utility model discloses a novel peristaltic pump, which comprises a direct current motor, wherein the direct current motor is connected with a bottom plate, the bottom plate is connected with the base, a gear rack is arranged in the middle of the base, a roller device is arranged on the front side of the gear rack, the front end of the roller device is connected with a front end bearing, the front end bearing is connected with a positioning plate, the inner side of the gear rack is engaged with a transmission gear, the transmission gear is meshed with a driving gear, the driving gear is connected with an output shaft of the direct current motor, the transmission gear is arranged on the bracket, the front end of the bracket is connected with a bracket bearing, the bracket bearing is connected with a roller device, the bottom of the machine base is connected with a bridge-shaped plate, two sides of the machine base are provided with limit plates, the upper surface of the bridge-shaped plate is provided with a hose placing and supporting groove, the bottom of the hose is placed in the hose placing and supporting groove, and two ends of the hose are installed in the hose end fixing groove. A plurality of drive gears of this device atress is even, is difficult for collapsing the tooth, operates steadily, and long-lived reduces the impact force, and the pump body is difficult for shaking.

Description

Novel peristaltic pump

Technical Field

The utility model relates to a peristaltic pump technical field, concretely relates to novel peristaltic pump.

Background

The peristaltic pump is a novel fluid delivery pump following a rotor pump, a centrifugal pump, a diaphragm pump and the like, and is widely popularized and applied in various industries such as medical treatment, medicine, food, beverage, chemical industry, smelting and the like. When the peristaltic pump works, the roller component rotates to extrude the flexible hose in an arc shape or the pressing block component makes a snake-shaped straight line to extrude the flexible hose, and the roller component or the pressing block component needs more than two rollers or pressing blocks to extrude the flexible hose to convey fluid. However, most peristaltic pumps on the market generate large impact force when running, and the pump body is easy to shake.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel peristaltic pump to solve the problem that proposes among the above-mentioned background art. In order to achieve the above object, the utility model provides a following technical scheme: a novel peristaltic pump comprises a direct-current motor, wherein the direct-current motor is connected with a bottom plate, the bottom plate is connected with a machine base through bottom plate fixing screws, a mounting hole is formed in the middle of the machine base, a gear carrier is mounted inside the mounting hole, a roller device is arranged on the front side of the gear carrier, the front end of the roller device is connected with a front end bearing, the front end bearing is connected with a positioning plate, the positioning plate is connected with the machine base through positioning plate screws, a transmission gear is meshed with the inner side of the gear carrier and is meshed with a driving gear, the driving gear is connected with an output shaft of the direct-current motor, the transmission gear is mounted on a support, the front end of the support is connected with a support bearing, the support bearing penetrates through the gear carrier to be connected with the roller device, the rear end of the support is connected with the bottom plate and is positioned, hose bottom has been placed to hose placement support inslot portion, the both sides of hose are spacing through the limiting plate, the hose can be squeezed to gyro wheel device cooperation bridge template, limiting plate, the hose both ends are installed inside hose tip fixed slot, hose tip fixed slot is located frame upper portion limiting plate inboard.

Preferably, the upper rotating shaft of the base is connected with the upper shell, the upper shell and the base are provided with mutually connected buckles, the upper shell is provided with a pressing lug, and the pressing lug corresponds to the hose end fixing groove in position.

Preferably, one end of the bridge-shaped plate is hinged with the base, and the other end of the bridge-shaped plate is clamped with the base.

Preferably, the roller device comprises a roller frame, the roller frame is provided with a roller through a roller shaft pin, the roller frame and the gear frame are of an integral structure, the rear end of the roller frame is connected with a support bearing, the front end of the roller frame is connected with a front end bearing, and the roller extrudes the hose.

Preferably, the roller frame is of a triangular structure, and the number of the rollers is three, and the three rollers are respectively fixed on three corners of the roller frame through roller pin shafts.

The utility model discloses a technological effect and advantage: the transmission gear of the device is directly meshed with the gear ring frame, the transmission shaft is not required to be connected, parts are saved, and the wheel shaft principle is more labor-saving; the transmission gears are stressed uniformly, are not prone to tooth breakage, operate stably, are long in service life, reduce impact force and enable the pump body to be not prone to vibration.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an assembly view of the present invention.

In the figure: 1-direct current motor, 2-bottom plate, 3-bottom plate fixing screw, 4-machine base, 5-mounting hole, 6-gear rack, 7-roller device, 8-front end bearing, 9-positioning plate, 10-positioning plate screw, 11-transmission gear, 12-driving gear, 13-bracket, 14-bracket bearing, 15-bridge template, 16-limiting plate, 17-hose placing supporting groove, 18-hose, 19-hose end fixing groove, 20-upper shell, 21-buckle, 22-pressing lug, 23-roller rack, 24-roller shaft pin and 25-roller.

Detailed Description

In order to make the technical means, the creative features, the objectives and the functions of the present invention easily understood and appreciated, the present invention will be further described with reference to the specific drawings, and in the description of the present invention, unless otherwise specified or limited, the terms "mounted," connected "and" connected "should be understood broadly, and for example, the terms" fixed connection, "detachable connection," integral connection, mechanical connection, and electrical connection may be used; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

Examples

The novel peristaltic pump as shown in fig. 1 and 2 comprises a direct current motor 1, wherein the direct current motor 1 is connected with a bottom plate 2, the bottom plate 2 is connected with a machine base 4 through a bottom plate fixing screw 3, a mounting hole 5 is formed in the middle of the machine base 4, a gear carrier 6 is mounted in the mounting hole 5, a roller device 7 is arranged on the front side of the gear carrier 6, the front end of the roller device 7 is connected with a front end bearing 8, the front end bearing 8 is connected with a positioning plate 9, the positioning plate 9 is connected with the machine base 4 through a positioning plate screw 10, the inner side of the gear carrier 6 is meshed with a transmission gear 11, the transmission gear 11 is meshed with a driving gear 12, the driving gear 12 is connected with an output shaft of the direct current motor 1, the transmission gear 11 is mounted on a support 13, the front end of the support 13 is connected with a support bearing 14, the support bearing 14 penetrates, and fix a position through bottom plate 2, 4 bottoms on the frame are connected bridge template 15, and both sides are equipped with limiting

plate

16, 15 upper surfaces of bridge template are equipped with the hose and place support groove 17, the hose is placed and is supported 17 inside places hose 18 bottoms, it is spacing that limiting plate 16 is passed through to the both sides of hose 18, 7 cooperation bridge templates 15 of gyro wheel device, limiting plate 16 can extrude hose 18, hose 18 both ends are installed inside hose end fixed slot 19, hose end fixed slot 19 is located 4 upper portion limiting plates 16 inboards of frame.

Preferably, a rotating shaft above the base 4 is connected to an upper shell 20, the upper shell 20 and the base 4 are provided with buckles 21 connected with each other, the upper shell 20 is provided with a pressing protrusion 22, and the pressing protrusion 22 corresponds to the hose end fixing groove 19 in position and is used for fixing the end of the hose 18.

Preferably, one end of the bridge-shaped plate 15 is hinged to the base 4, and the other end is clamped with the base 4.

Preferably, the roller device 7 comprises a roller frame 23, the roller frame 23 is provided with a roller 25 through a roller shaft pin 24, the roller frame 23 and the gear frame 6 are of an integral structure, the rear end of the roller frame 23 is connected with the bracket bearing 14, the front end of the roller frame 23 is connected with the front end bearing 8, and the roller 25 extrudes the hose 18.

Preferably, the roller frame 23 is a triangular structure, and three rollers 25 are provided and are respectively fixed on three corners of the roller frame 23 through roller pins 24.

The utility model discloses process flow and theory of operation do: separating one end of a bridge-shaped plate 15 from the machine base 4, installing the bottom of a hose 18 on a hose placing and supporting groove 17, limiting the two sides by a limiting plate 16, placing the two ends in a hose end fixing groove 19, connecting the bridge-shaped plate 15 with the machine base 4 to realize the installation of the hose 18, clamping an upper shell 20 with the machine base 4 through a buckle 21, and pressing the hose 18 by matching a pressing bump 22 with the hose end fixing groove 19; starting the direct current motor 1, the direct current motor 1 drives the driving gear 12 to rotate, the driving gear 12 drives the transmission gear 11 to rotate, the transmission gear 11 and the gear carrier 6 are in meshed motion, the gear carrier 6 is matched with the support bearing 14 and the front end bearing 8 to drive the roller device 7 to rotate, and the roller 25 of the roller device 7 extrudes the hose 18, so that liquid conveying is carried out.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A novel peristaltic pump comprises a direct current motor and is characterized in that: the direct current motor is connected with a bottom plate, the bottom plate is connected with a machine base through bottom plate fixing screws, a mounting hole is formed in the middle of the machine base, a gear carrier is mounted inside the mounting hole, a roller device is arranged on the front side of the gear carrier, the front end of the roller device is connected with a front end bearing, the front end bearing is connected with a positioning plate, the positioning plate is connected with the machine base through the positioning plate screws, a transmission gear is meshed with the inner side of the gear carrier and is meshed with a driving gear, the driving gear is connected with an output shaft of the direct current motor, the transmission gear is mounted on a support, the front end of the support is connected with a support bearing, the support bearing penetrates through the gear carrier to be connected with the roller device, the rear end of the support is connected with the bottom plate and is positioned through the, hose bottom has been placed to hose placement support inslot portion, the both sides of hose are spacing through the limiting plate, the hose can be squeezed to gyro wheel device cooperation bridge template, limiting plate, the hose both ends are installed inside hose tip fixed slot, hose tip fixed slot is located frame upper portion limiting plate inboard.

2. A novel peristaltic pump as claimed in claim 1, wherein: the upper part of the base is connected with the upper shell through a rotating shaft, the upper shell and the base are provided with mutually connected buckles, the upper shell is provided with a pressing lug, and the pressing lug corresponds to the end fixing groove of the hose.

3. A novel peristaltic pump as claimed in claim 1, wherein: one end of the bridge-shaped plate is hinged with the engine base, and the other end of the bridge-shaped plate is clamped with the engine base.

4. A novel peristaltic pump as claimed in claim 1, wherein: the roller device comprises a roller frame, rollers are mounted on the roller frame through roller shaft pins, the roller frame and the gear frame are of an integrated structure, the rear end of the roller frame is connected with a support bearing, the front end of the roller frame is connected with a front end bearing, and the rollers extrude the hose.

5. A novel peristaltic pump as claimed in claim 4, wherein: the roller carrier is of a triangular structure, and the number of the rollers is three, and the three rollers are fixed on three corners of the roller carrier through roller pin shafts respectively.