CN212774689U

CN212774689U - Pump head with wriggling pressure release structure

Info

Publication number: CN212774689U
Application number: CN202021557007.0U
Authority: CN
Inventors: 赵韶锋; 刘彪; 刘广集
Original assignee: Shijie Packaging Products Qingyuan Co ltd
Current assignee: Shijie Packaging Products Qingyuan Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-03-23
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a peristaltic pump technical field's a pump head with wriggling pressure release structure, which comprises a housin, the fixed hose that is equipped with in inner chamber top of casing, the fixed spacing ring that is provided with of inside wall around the casing, the relative one side activity of spacing ring is equipped with the axis of rotation, the fixed first motor that is provided with of back lateral wall of casing, the preceding lateral wall output and the pivot axle fixed connection of first motor, the propulsion groove has been seted up to the outer wall of axis of rotation, the holding tank has been seted up at the top of casing, the fixed solenoid valve that is equipped with in the holding tank, the bottom fixedly connected with pressure release pipe of solenoid valve, the pressure release pipe runs through and is linked together with the hose behind the casing, the utility model discloses the speed that conveniently regulates and.

Description

Pump head with wriggling pressure release structure

Technical Field

The utility model relates to a peristaltic pump technical field specifically is a pump head with wriggling pressure release structure.

Background

The peristaltic pump is a novel circulation delivery pump following a rotor pump, a centrifugal pump, a diaphragm pump and the like, and is widely popularized and applied in the industries of medical treatment, food, beverage, chemical industry and the like, if the distance of a hydraulic rotating device of a control device is controlled, the flow velocity of liquid in a pump pipe can be controlled, when the logistics concentration conveyed by the peristaltic pump is higher, the situation of blockage of a rolling mechanism can occur, the normal use of the peristaltic pump is greatly influenced, and therefore, a pump head with a peristaltic pressure relief structure is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pump head with wriggling pressure release structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pump head with a peristaltic pressure relief structure comprises a shell, wherein a hose is fixedly assembled at the top of an inner cavity of the shell, the left end and the right end of the hose respectively penetrate through the left side wall and the right side wall of the shell, limit rings are fixedly arranged on the front inner side wall and the rear inner side wall of the shell, a rotating shaft is movably assembled on one side opposite to the limit rings, a first motor is fixedly arranged on the rear outer side wall of the shell, the output end of the front side wall of the first motor is fixedly connected with the rotating shaft, a propelling groove is formed in the outer wall of the rotating shaft, a second shell is fixedly arranged on the front outer side wall of the shell, a second motor is fixedly arranged at the bottom of the front inner side wall of the second shell, a threaded rod is fixedly connected with the output end of the rear side wall of the second motor, a bearing is fixedly arranged on, the top fixedly connected with catch plate of cover joint piece, the inner chamber activity of catch plate is equipped with the rotating disc, the back lateral wall fixedly connected with propulsion axle of rotating disc, the propulsion axle runs through the inner chamber that extends to the axis of rotation behind second casing and the casing, the outer wall fixedly connected with connecting rod of propulsion axle, the connecting rod runs through and extends out behind the propulsion groove of axis of rotation, the outer end fixedly connected with roller that extends away of connecting rod, the holding tank has been seted up at the top of casing, the fixed solenoid valve that is equipped with in the holding tank, the bottom fixedly connected with pressure release pipe of solenoid valve, the pressure release pipe runs through and is linked together with the hose behind the casing.

Preferably, the inner cavity of the rotating shaft is provided with a hollow groove, the hollow groove is matched with the propelling shaft, and the central axes of the propelling shaft and the rotating shaft are overlapped.

Preferably, the roller is a sphere, and the central axis of the roller is parallel to the central axes of the propelling shaft and the rotating shaft.

Preferably, the first motor is connected with an external power supply through a wire, the first motor is connected with a motor rotating speed tester through a wire, the motor rotating speed tester is connected with an electromagnetic valve through a wire, and the other side of the electromagnetic valve is communicated with a liquid outlet pipe.

Preferably, the second motor is connected with an external power supply and an external controller through wires.

Preferably, the top of the second shell is provided with a sliding groove, and the sliding groove is matched with the top of the pushing plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, liquid lets in from the hose, the connecting rod rotates and drives the roller rotation, carry out alternative extrusion and drainage to the hose, and the connecting rod connects the pushing shaft, the left end of pushing shaft connects the rotating disc of pushing plate inner chamber, the rotating disc can normally rotate in the pushing plate, and do not influence the rotation of axis of rotation, when the extrusion distance of roller needs to be adjusted, the second motor drives the threaded rod to rotate, the threaded rod rotates and drives the left and right sides of the cup joint piece of spiro union assembly, and fixedly connected with pushing plate at the top of the cup joint piece, the pushing plate drives the pushing shaft to move left and right, can adjust the conveying rate of liquid, when the jam condition appears when the roller rotates, the motor speed tester connected with the first motor sends the signal to the solenoid valve, the solenoid valve is opened, the liquid of hose is derived part from the pressure release pipe, solve the intraductal jam condition, when first motor normally rotates, the solenoid valve is closed, and the hose normally infuses, the utility model discloses conveniently regulate and control the speed that liquid was carried and solve the jam condition of device.

Drawings

Fig. 1 is a front sectional view of a first housing of the present invention;

FIG. 2 is a side sectional view of the present invention;

FIG. 3 is a schematic view of the structure of the rotating shaft of the present invention;

FIG. 4 is a side sectional view of the rotating shaft of the present invention;

FIG. 5 is a side sectional view of a second housing of the present invention;

fig. 6 is a sectional view of the pushing plate of the present invention.

In the figure: 1. a housing; 2. a hose; 3. a limiting ring; 4. a rotating shaft; 5. a first motor; 6. a propulsion tank; 7. a second housing; 8. a second motor; 9. a threaded rod; 10. a bearing; 11. sleeving and connecting blocks; 12. a push plate; 13. rotating the disc; 14. a propeller shaft; 15. a connecting rod; 16. a roller; 17. a storage tank; 18. an electromagnetic valve; 19. and (4) a pressure relief pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a pump head with a peristaltic pressure relief structure comprises a shell 1, wherein a hose 2 is fixedly assembled at the top of an inner cavity of the shell 1, the left end and the right end of the hose 2 respectively penetrate through the left side wall and the right side wall of the shell 1, a limiting ring 3 is fixedly arranged on the front inner side wall and the rear inner side wall of the shell 1, a rotating shaft 4 is movably assembled on one side opposite to the limiting ring 3, a first motor 5 is fixedly arranged on the rear outer side wall of the shell 1, the output end of the front side wall of the first motor 5 is fixedly connected with the rotating shaft 4, a propelling groove 6 is formed in the outer wall of the rotating shaft 4, a second shell 7 is fixedly arranged on the front outer side wall of the shell 1, a second motor 8 is fixedly arranged at the bottom of the front inner side wall of the second shell 7, a threaded rod 9 is fixedly connected with the output end of the rear side wall of the second motor, top fixedly connected with catch plate 12 of cup joint piece 11, the inner chamber activity of catch plate 12 is equipped with rotating disc 13, rotating disc 13's back lateral wall fixedly connected with propulsion axle 14, propulsion axle 14 runs through the inner chamber that extends to axis of rotation 4 behind second casing 7 and the casing 1, the outer wall fixedly connected with connecting rod 15 of propulsion axle 14, connecting rod 15 runs through and extends away behind the propulsion groove 6 of axis of rotation 4, the outer end fixedly connected with roller 16 of extending away of connecting rod 15, holding tank 17 has been seted up at casing 1's top, the fixed solenoid valve 18 that is equipped with in holding tank 17, the bottom fixedly connected with pressure release pipe 19 of solenoid valve 18, pressure release pipe 19 runs through and is linked together with hose 2 behind the casing 1.

The inner cavity of the rotating shaft 4 is provided with a hollow groove, the hollow groove is matched with the propelling shaft 14, the central axes of the propelling shaft 14 and the rotating shaft 4 are superposed with each other, and when the propelling shaft 14 moves, the connecting rod 15 moves back and forth by means of the propelling groove 6, so that the roller 16 is driven to move, and the extrusion degree of the hose 2 is changed;

the roller 16 is a sphere, the central axis of the roller 16 is parallel to the central axes of the propelling shaft 14 and the rotating shaft 4, and the devices are parallel to each other, so that the rotation and the propulsion of the devices are realized;

the first motor 5 is connected with an external power supply through a wire, the first motor 5 is connected with a motor rotating speed tester through a wire, the motor rotating speed tester is connected with the electromagnetic valve 18 through a wire, the other side of the electromagnetic valve 18 is communicated with a liquid outlet pipe, the motor rotating speed tester detects the rotating speed of the first motor 5, when a blockage situation occurs, the motor rotating speed tester sends a signal to the electromagnetic valve 18, the electromagnetic valve 18 is opened, and liquid in the hose 2 is discharged from the pressure relief pipe 19;

the second motor 8 is connected with an external power supply and an external controller through wires, the power supply provides power for the second motor 8, and the external controller controls the starting of the second motor 8;

the sliding groove has been seted up at the top of second casing 7, sliding groove and the top looks adaptation of slurcam 12, slurcam 12 relies on the sliding groove can realize sliding well.

The working principle is as follows: liquid is introduced from the hose 2, the first motor 5 drives the rotating shaft 4 to rotate, when the rotating shaft 4 rotates, the edge of the propelling groove 6 drives the connecting rod 15 to rotate, the connecting rod 15 rotates to drive the roller 16 to rotate, the hose 2 is extruded and drained alternately, the connecting rod 15 is connected with the propelling shaft 14, the left end of the propelling shaft 14 is connected with the rotating disc 13 of the inner cavity of the pushing plate 12, the rotating disc 13 can rotate normally in the pushing plate 12 without influencing the rotation of the rotating shaft 4, when the extrusion distance of the roller 16 needs to be adjusted, the second motor 8 drives the threaded rod 9 to rotate, the threaded rod 9 rotates to drive the sleeve joint block 11 assembled by screw joint to move left and right, the top of the sleeve joint block 11 is fixedly connected with the pushing plate 12, the pushing plate 12 drives the propelling shaft 14 to move left and right, the liquid conveying speed can be adjusted, when the roller 16 rotates and is blocked, the motor speed tester connected with the first motor 5 sends, solenoid valve 18 is opened, and the part is derived from pressure release pipe 19 to the liquid of hose 2, solves intraductal jam condition, and pressure release pipe 19 leads to out from solenoid valve 18's other end drain pipe, and when first motor 5 normally rotated, solenoid valve 18 closed, and hose 2 normally infuses, the utility model discloses conveniently regulate and control the speed that liquid was carried and solve the jam condition of device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pump head with peristaltic pressure relief structure, comprising a housing (1), characterized in that: the inner cavity top of the shell (1) is fixedly provided with a hose (2), the left and right ends of the hose (2) respectively penetrate through the left and right side walls of the shell (1), the front and back inner side walls of the shell (1) are fixedly provided with limit rings (3), one opposite side of each limit ring (3) is movably provided with a rotating shaft (4), the back outer side wall of the shell (1) is fixedly provided with a first motor (5), the front side wall output end of the first motor (5) is fixedly connected with the rotating shaft (4), the outer wall of the rotating shaft (4) is provided with a propelling groove (6), the front outer side wall of the shell (1) is fixedly provided with a second shell (7), the bottom of the front inner side wall of the second shell (7) is fixedly provided with a second motor (8), the back side wall output end of the second motor (8) is fixedly connected with a threaded rod, the rear side wall of the second shell (7) is fixedly provided with a bearing (10), the threaded rod (9) is movably assembled with the bearing (10), the outer wall of the threaded rod (9) is assembled with a splicing block (11) in a threaded manner, the top of the splicing block (11) is fixedly connected with a push plate (12), the inner cavity of the push plate (12) is movably assembled with a rotating disc (13), the rear side wall of the rotating disc (13) is fixedly connected with a propulsion shaft (14), the propulsion shaft (14) penetrates through the second shell (7) and the shell (1) and then extends to the inner cavity of the rotating shaft (4), the outer wall of the propulsion shaft (14) is fixedly connected with a connecting rod (15), the connecting rod (15) penetrates through a propulsion groove (6) of the rotating shaft (4) and then extends out, the outer end of the connecting rod (15) is fixedly connected with a roller (16), the top of the shell (1) is provided with a storage groove (17), the storage tank (17) is internally and fixedly provided with an electromagnetic valve (18), the bottom of the electromagnetic valve (18) is fixedly connected with a pressure relief pipe (19), and the pressure relief pipe (19) penetrates through the shell (1) and then is communicated with the hose (2).

2. A pump head having peristaltic pressure relief according to claim 1, wherein: the inner cavity of the rotating shaft (4) is provided with a hollow groove, the hollow groove is matched with the propelling shaft (14), and the central axes of the propelling shaft (14) and the rotating shaft (4) are overlapped.

3. A pump head having peristaltic pressure relief according to claim 1, wherein: the roller (16) is a sphere, and the central axis of the roller (16) is parallel to the central axes of the propelling shaft (14) and the rotating shaft (4).

4. A pump head having peristaltic pressure relief according to claim 1, wherein: first motor (5) connection of electric lines external power source, first motor (5) connection of electric lines motor speed tester, motor speed tester connection of electric lines solenoid valve (18), the opposite side intercommunication of solenoid valve (18) has the drain pipe.

5. A pump head having peristaltic pressure relief according to claim 1, wherein: and the second motor (8) is connected with an external power supply and an external controller through wires.

6. A pump head having peristaltic pressure relief according to claim 1, wherein: the top of the second shell (7) is provided with a sliding groove, and the sliding groove is matched with the top of the pushing plate (12).