CN201786619U

CN201786619U - Peristaltic pump

Info

Publication number: CN201786619U
Application number: CN2010205271083U
Authority: CN
Inventors: 沈留训; 储江波; 侯鲁成; 于小平; 吴刚
Original assignee: CHANGZHOU PREFLUID TECHNOLOGY Co Ltd
Current assignee: CHANGZHOU PREFLUID TECHNOLOGY Co Ltd
Priority date: 2010-09-14
Filing date: 2010-09-14
Publication date: 2011-04-06
Anticipated expiration: 2020-09-14

Abstract

The utility model discloses a peristaltic pump, which comprises a compression chamber housing, a roller component, a flexible pipe, an upper pump case and a motor, wherein the roller component and the roller component are arranged in the inner cavity of the compression chamber housing; the flexible pipe is coiled at the periphery of the roller component; an inlet pipe and an outlet pipe that are communicated with the flexible pipe respectively extend out of the compression chamber housing; the upper pump case is fixedly connected with the compression chamber housing; a motor is fixedly connected to the upper pump housing; and the output shaft of the motor passes through the upper pump case and is fixedly connected with the roller component. The utility model has the improvement points that at least two groups of bolt holes are formed on the upper pump case; the motor is in threaded connection with one of the two groups of bolt holes on the upper pump case through a screw, and is further fixedly connected with the upper pump case; a liquid inlet pipe joint is fixedly connected to the inlet pipe; a liquid outlet pipe joint is fixedly connected to the outlet pipe; and a guide runner or a guide sliding strip is arranged on the liquid outlet pipe joint. The utility model is simple and convenient to use and install, and the flexible pipe is not easy to damage.

Description

Peristaltic pump

Technical field

The utility model relates to a kind of fluid pump, particularly relates to a kind of peristaltic pump.

Background technique

Present domestic and international various pinch roller extruding type peristaltic pumps are to utilize roller by the certain movement direction extruding elastic hose cavity that rolls, because the variation that the cavity distortion produces volume discharges fluid, and the formation negative pressure fluid outside the suction pump again when cavity restores to the original state.Existing peristaltic pump motor is installed on the pump case by bolt, because the peristaltic pump of different model is installed the needs of different motors, often when changing motor, owing to not matching of bolt hole, and need replace with pump case, installs and use trouble; And flexible pipe is placed in the inner chamber of compression chamber housing, is subjected to the extruding of roll wheel assembly, because not flexible of flexible pipe, flexible pipe damages easily.

Summary of the invention

The purpose of this utility model is a kind of installation will be provided and use simple, the non-damageable peristaltic pump of flexible pipe.

The utility model realizes that the technological scheme of above-mentioned purpose is, a kind of peristaltic pump, comprise compression chamber housing, roll wheel assembly, flexible pipe, go up pump case and motor, described roll wheel assembly and flexible pipe are placed in the inner chamber of compression chamber housing, the periphery of roll wheel assembly is wound with flexible pipe, stretch out the compression chamber housing respectively with the inlet tube and the outer pipe of soft pipe connection, last pump case is fixedlyed connected with the compression chamber housing, be fixedly connected with motor on the last pump case, the output shaft of motor passes pump case and fixedlys connected with roll wheel assembly, and its improvement is:

A, described going up on the pump case have at least two group bolts hole, and motor is threaded with wherein one group of bolt hole on the last pump case by screw, thereby fixedlys connected with last pump case;

Be fixedly connected with the liquid inlet pipe joint on b, the described inlet tube; Be fixedly connected with liquid outlet joint on the described outer pipe, and have guiding slip groove or slide guide bar on the liquid outlet joint.

Described every group of bolt hole going up on the pump case is four, is distributed on four corners of pump case.

Described roll wheel assembly comprises roller, roller upper bracket and roller lower support frame, all has the motor shaft axis hole on described roller upper bracket and the roller lower support frame, correspondence is provided with at least two roller locating columns on described roller upper bracket and the roller lower support frame, described roller housing is contained on the roller locating column and with the roller locating column and is rotatably assorted, described roller upper bracket interconnects with the roller locating column of roller lower support frame by corresponding setting, have the fool proof pin on the central boss of described roller lower support frame, have on the central boss of roller upper bracket with the corresponding rolling wheel lower support frame on fool proof at the fool proof hole that should cooperate; Have the fool proof hole on the central boss of perhaps described roller lower support frame, have on the central boss of roller upper bracket with the roller lower support frame on the fool proof pin that plugs together mutually of fool proof hole.

Described going up on the pump case has three buckles, the buckle slot of the corresponding setting connection that is fastened on three buckles and the compression chamber housing.

Have flexible pipe inlet channel and flexible pipe outlet slot on the described compression chamber housing, flexible pipe inlet channel projecting inward at least one clamps bar.

The utility model is because described going up on the pump case has at least two group bolts hole, motor is threaded with wherein one group of bolt hole on the last pump case by screw, thereby fixedly connected with last pump case, can make motor fixedly connected at the bolt of two kinds of different models, use and install simple, convenience with last pump case; Fixedly be communicated with the liquid inlet pipe joint on the described inlet tube; Fixedly be communicated with liquid outlet joint on the described outer pipe, and have guiding slip groove or slide guide bar on the liquid outlet joint, outer pipe can be flexible on certain limit by guiding slip groove or slide guide bar like this, can not damage flexible pipe.

Description of drawings

Fig. 1 is the exploded perspective view of the utility model when motor not being installed;

Fig. 2 is a three-dimensional exploded perspective view of the present utility model;

Fig. 3 is the three-dimensional exploded perspective view of roll wheel assembly of the present utility model.

Embodiment

Below in conjunction with accompanying drawing the utility model is done and to be described in further detail.

As Fig. 1, shown in 2, a kind of peristaltic pump, comprise compression chamber housing 1, roll wheel assembly 2, flexible pipe 3, last pump case 4 and motor 5, described roll wheel assembly 2 and flexible pipe 3 are placed among the inner chamber 1-1 of compression chamber housing 1, the periphery of roll wheel assembly 2 is wound with flexible pipe 3, the inlet tube 3-1 and the outer pipe 3-2 that are communicated with flexible pipe 3 stretch out compression chamber housing 1 respectively, last pump case 4 is fixedlyed connected with compression chamber housing 1, be fixedly connected with motor 5 on the last pump case 4, the output shaft of motor 5 passes pump case 4 and fixedlys connected with roll wheel assembly 2, described going up on the pump case 4 has at least two group bolt hole 4-1, motor 5 is threaded with wherein one group of bolt hole 4-1 on the last pump case 4 by screw, thereby fixedlys connected with last pump case 4; Be fixedly connected with liquid inlet pipe joint 3-1-1 on the described inlet tube 3-1; Be fixedly connected with liquid outlet joint 3-2-1 on the described outer pipe 3-2, and have guiding slip groove 6 or slide guide bar on the liquid outlet joint 3-2-1.

As shown in Figure 1, 2, in order to install firmly, the described every group of bolt hole 4-1 that goes up on the pump case 4 is four, is distributed on four corners of pump case 4.

As shown in Figure 3, described roll wheel assembly 2 comprises roller 2-4, roller upper bracket 2-1 and roller lower support frame 2-2, all has motor shaft axis hole 2-5 on described roller upper bracket 2-1 and the roller lower support frame 2-2, described roller upper bracket 2-1 and roller lower support frame 2-2 go up correspondence and are provided with at least two roller locating column 2-3, described roller 2-4 is sleeved on roller locating column 2-3 and upward and with roller locating column 2-3 is rotatably assorted, described roller upper bracket 2-1 interconnects by the roller locating column 2-3 of corresponding setting with roller lower support frame 2-2, have fool proof pin 2-6 on the central boss 2-2-1 of described roller lower support frame 2-2, have on the central boss 2-1-1 of roller upper bracket 2-1 with corresponding rolling wheel lower support frame 2-2 on the fool proof hole 2-7 of fool proof pin 2-6 corresponding matching; Have the fool proof hole on the central boss 2-2-1 of perhaps described roller lower support frame 2-2, have on the central boss 2-1-1 of roller upper bracket 2-1 with roller lower support frame 2-2 on the fool proof pin that plugs together mutually of fool proof hole.The utility model is by the motor shaft of motor 5 and the motor shaft axis hole 2-5 stationary positioned on the roll wheel assembly 2, and motor shaft axis hole 2-5 is provided with the flat gesture in location, to reach the purpose of transmitting torque.

As shown in Figure 1, 2, both install and remove conveniently for last pump case 4 and compression chamber housing 1, and described going up on the pump case 4 has three buckle 4-2, the buckle slot 1-2 of the corresponding setting connection that is fastened on three buckle 4-2 and the compression chamber housing 1.

As shown in Figure 1, 2, have flexible pipe inlet channel 1-3 and flexible pipe outlet slot 1-4 on the described compression chamber housing 1, flexible pipe inlet channel 1-3 projecting inward at least one clamps bar 1-3-1, flexible pipe can be fixed among the flexible pipe inlet channel 1-3 like this, can not produce to relatively move.

Claims

1. peristaltic pump, comprise compression chamber housing (1), roll wheel assembly (2), flexible pipe (3), last pump case (4) and motor (5), described roll wheel assembly (2) and flexible pipe (3) are placed in the inner chamber (1-1) of compression chamber housing (1), the periphery of roll wheel assembly (2) is wound with flexible pipe (3), the inlet tube (3-1) and the outer pipe (3-2) that are communicated with flexible pipe (3) stretch out compression chamber housing (1) respectively, last pump case (4) is fixedlyed connected with compression chamber housing (1), be fixedly connected with motor (5) on the last pump case (4), the output shaft of motor (5) passes pump case (4) and fixedlys connected with roll wheel assembly (2), it is characterized in that:

A, described going up on the pump case (4) have at least two group bolts hole (4-1), and motor (5) is threaded with wherein one group of bolt hole (4-1) on the last pump case (4) by screw, thereby fixedlys connected with last pump case (4);

Be fixedly connected with liquid inlet pipe joint (3-1-1) on b, the described inlet tube (3-1); Be fixedly connected with liquid outlet joint (3-2-1) on the described outer pipe (3-2), and have guiding slip groove (6) or slide guide bar on the liquid outlet joint (3-2-1).

2. peristaltic pump according to claim 1 is characterized in that: described every group of bolt hole (4-1) of going up on the pump case (4) is four, is distributed on four corners of pump case (4).

3. peristaltic pump according to claim 1, it is characterized in that: described roll wheel assembly (2) comprises roller (2-4), roller upper bracket (2-1) and roller lower support frame (2-2), all has motor shaft axis hole (2-5) on described roller upper bracket (2-1) and the roller lower support frame (2-2), described roller upper bracket (2-1) and roller lower support frame (2-2) are gone up correspondence and are provided with at least two roller locating columns (2-3), described roller (2-4) is sleeved on roller locating column (2-3) and upward and with roller locating column (2-3) is rotatably assorted, described roller upper bracket (2-1) interconnects with the roller locating column (2-3) of roller lower support frame (2-2) by corresponding setting, have fool proof pin (2-6) on the central boss (2-2-1) of described roller lower support frame (2-2), have on the central boss (2-1-1) of roller upper bracket (2-1) with corresponding rolling wheel lower support frame (2-2) on the fool proof hole (2-7) of fool proof pin (2-6) corresponding matching; Have the fool proof hole on the central boss (2-2-1) of perhaps described roller lower support frame (2-2), have on the central boss (2-1-1) of roller upper bracket (2-1) with roller lower support frame (2-2) on the fool proof pin that plugs together mutually of fool proof hole.

4. peristaltic pump according to claim 1 is characterized in that: described going up on the pump case (4) has three buckles (4-2), the buckle slot (1-2) of the corresponding setting connection that is fastened on three buckles (4-2) and the compression chamber housing (1).

5. peristaltic pump according to claim 1 is characterized in that: have flexible pipe inlet channel (1-3) and flexible pipe outlet slot (1-4) on the described compression chamber housing (1), flexible pipe inlet channel (1-3) projecting inward at least one clamps bar (1-3-1).