Peristaltic pump with planetary reduction gear

Abstract

The utility model discloses a peristaltic pump with a planetary reduction gear, which utilizes a reduction gear to reduce the rotating speed of a synchronous disc, achieves the purpose of reducing the load and the rotating speed of a motor, further reduces the impact of the synchronous disc on the cut-in angle of a hose, and effectively protects the hose. A track groove shaft correspondingly and movably penetrates through the front supporting plate and the rear supporting plate at one end of the U-shaped structure of the pump base, one end of the track groove is movably arranged on the track groove shaft so that the track groove can rotate around the track groove shaft, and spring pressing blocks are arranged at the other ends of the front supporting plate and the rear supporting plate at the other end of the U-shaped structure of the pump base. The other end of the track groove is correspondingly provided with a U-shaped notch, the spring pressing block can be clamped into the U-shaped notch in a matched mode to fix the track groove to the front supporting plate and the rear supporting plate, the hose is arranged between the track groove and the synchronous disc assembly in a matched mode, and the two ends of the hose extend out of the two ends of the U-shaped structure of the pump base respectively. The peristaltic pump can be widely applied to the field of peristaltic pumps.

Description

Technical Field

[0001] The utility model relates to a peristaltic pump with a planetary speed reduction device, belonging to the technical field of peristaltic pumps. Background Art

[0002] Peristaltic pumps are often used for medium transmission. In order to reduce the overall structural size, conventional peristaltic pumps use motors to directly drive the synchronous disk, which requires a large driving force. Therefore, the load on the motor end is large and the energy consumption is high. Moreover, due to the large load on the motor, its speed is high, resulting in a large impact of the synchronous disk on the cutting angle of the pump tube, which often damages the pump tube and affects the normal operation of the peristaltic pump. Utility Model Content

[0003] The utility model overcomes the shortcomings of the existing technology and provides a peristaltic pump with a planetary reduction device. The reduction device is used to reduce the rotation speed of the synchronous disk, thereby achieving the purpose of reducing the motor load and rotation speed, further reducing the impact of the synchronous disk on the cutting angle of the hose, and effectively protecting the hose.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is as follows: a peristaltic pump with a planetary reduction device, comprising a pump seat, a synchronous disk assembly and a motor, the synchronous disk assembly being arranged in the pump seat, the body of the motor being fixed on the outside of the pump seat, the power shaft of the motor passing through the pump seat and being dynamically connected to the synchronous disk assembly, and further comprising a track groove and a hose, the pump seat being a U-shaped structure, a front support plate and a rear support plate being fixedly arranged on both sides of the opening of the pump seat, one end of the synchronous disk assembly being plugged into the front support plate through a bearing, the other end of the synchronous disk assembly being connected to the power shaft of the motor, and a bearing being also provided at the place where the power shaft of the motor passes through the rear support plate, and the synchronous disk assembly is a planetary reduction structure;

[0005] The front support plate and the rear support plate are respectively provided with a track groove shaft movably passing through one end of the U-shaped structure of the pump seat, and one end of the track groove is movably set on the track groove shaft so that the track groove can rotate around the track groove shaft. The front support plate and the rear support plate are both provided with spring pressure blocks at the other end of the U-shaped structure of the pump seat, and the other end of the track groove is correspondingly provided with a U-shaped notch. The spring pressure block can be matched and snapped into the U-shaped notch to fix the track groove on the front support plate and the rear support plate. The hose is matched and set between the track groove and the synchronous disk assembly, and the two ends of the hose extend out from the two ends of the U-shaped structure of the pump seat respectively.

[0006] Furthermore, the structure of the synchronous disc assembly includes: two synchronous disc bodies arranged opposite to each other, driving teeth, rotors and rotor shafts, the driving teeth are arranged laterally in the centers of the two synchronous disc bodies, and the two ends of the driving teeth are respectively arranged on the synchronous disc bodies, the four rotors are respectively mounted on the rotor shafts and arranged on the synchronous disc bodies around the driving teeth, the driven teeth on the rotors are matched and meshed with the driving teeth, and bearings are provided at the connections between the rotor shafts and the synchronous disc bodies.

[0007] Furthermore, both ends of the U-shaped structure of the pump seat are provided with U-shaped notches for extending the hose, and pipe clamp assemblies are correspondingly provided on the notches, and the pipe clamp assemblies are used to restrict the hose.

[0008] Furthermore, the pipe clamp assembly is an adjustable pipe clamp structure.

[0009] Furthermore, the structure of the pipe clamp assembly is as follows: it includes a pipe clamp, a clamping block, an adjusting spring, a fixing rod, an adjusting block and a pipe clamp seat, the pipe clamp seat is fixedly arranged at the U-shaped structure end of the pump seat, the pipe clamp is movably arranged in the slide groove corresponding to the pipe clamp seat, the lower shape of the pipe clamp cooperates with the notch at the U-shaped structure end of the pump seat to form an extension channel for the hose, the end of the pipe clamp is longitudinally provided with a plurality of adjusting slots, one side of the clamping block can be matched and inserted into the adjusting slot of the pipe clamp, the other side of the clamping block is movably arranged at one end of the fixing rod, the other end of the fixing rod passes through the pump seat and is movably arranged on the adjusting block, and an adjusting spring is mounted on the fixing rod between the clamping block and the pump seat.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the planetary reduction structure of the utility model can effectively reduce the driving torque of the motor, and the motor speed can be output through the planetary reduction to achieve buffering of the hose cutting angle, effectively protecting the hose life. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The present invention will be further described below with reference to the accompanying drawings.

[0012] Figure 1 It is a structural diagram of the present utility model.

[0013] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0014] Figure 3 This is a schematic diagram of the state of the utility model when the track slot is not opened.

[0015] Figure 4 This is a schematic diagram of the state of the track slot of the utility model when it is open.

[0016] In the figure: 1 is the pump seat, 2 is the synchronous disk assembly, 21 is the synchronous disk body, 22 is the driving gear, 23 is the rotor, 24 is the rotor shaft, 3 is the motor, 4 is the front support plate, 5 is the rear support plate, 6 is the track groove shaft, 7 is the track groove, 8 is the spring pressure block, 9 is the hose, 10 is the pipe clamp assembly, 101 is the pipe clamp, 102 is the clamping block, 103 is the adjusting spring, 104 is the fixing rod, 105 is the adjusting block, and 106 is the pipe clamp seat. DETAILED DESCRIPTION

[0017] The present invention will be further described below with reference to specific embodiments.

[0018] like Figures 1 to 4 As shown, the utility model is a peristaltic pump with a planetary reduction device, comprising a pump base 1, a synchronous disk assembly 2 and a motor 3, wherein the synchronous disk assembly 2 is arranged in the pump base 1, and the body of the motor 3 is fixed to the outside of the pump base 1, and the power shaft of the motor 3 passes through the pump base 1 and is dynamically connected to the synchronous disk assembly 2, and further comprises a track groove 7 and a hose 9, and the pump base 1 is a U-shaped structure, and a front support plate 4 and a rear support plate 5 are fixedly provided on both sides of the opening of the pump base 1, one end of the synchronous disk assembly 2 is plugged into the front support plate 4 through a bearing, and the other end of the synchronous disk assembly 2 is connected to the power shaft of the motor 3, and the power shaft of the motor 3 is also provided with a bearing at the position where it passes through the rear support plate 5, and the synchronous disk assembly 2 is a planetary reduction structure;

[0019] The front support plate 4 and the rear support plate 5 are respectively provided with a track groove shaft 6 that is movably passed through one end of the U-shaped structure of the pump base 1. One end of the track groove 7 is movably set on the track groove shaft 6 so that the track groove 7 can rotate around the track groove shaft 6. The front support plate 4 and the rear support plate 5 are both provided with a spring pressure block 8 at the other end of the U-shaped structure of the pump base 1. The other end of the track groove 7 is correspondingly provided with a U-shaped notch. The spring pressure block 8 can be matched to fit into the U-shaped notch to fix the track groove 7 on the front support plate 4 and the rear support plate 5. The hose 9 is matched and set between the track groove 7 and the synchronization disk assembly 2. The two ends of the hose 9 extend from the two ends of the U-shaped structure of the pump base 1 respectively.

[0020] The structure of the synchronous disk assembly 2 includes: two synchronous disk bodies 21 arranged opposite to each other, driving teeth 22, rotors 23 and rotor shafts 24. The driving teeth 22 are arranged horizontally at the center of the two synchronous disk bodies 21, and the two ends of the driving teeth 22 are respectively arranged on the synchronous disk bodies 21. The four rotors 23 are respectively mounted on the rotor shafts 24 and arranged on the synchronous disk bodies 21 around the driving teeth 22. The driven teeth on the rotors 23 match and mesh with the driving teeth 22. Bearings are provided at the connection between the rotor shafts 24 and the synchronous disk bodies 21.

[0021] Both ends of the U-shaped structure of the pump seat 1 are provided with U-shaped notches for extending the hose 9 , and the notches are correspondingly provided with pipe clamp assemblies 10 , and the pipe clamp assemblies 10 are used to restrict the hose 9 .

[0022] The pipe clamp assembly 10 is an adjustable pipe clamp structure.

[0023] The structure of the pipe clamp assembly 10 is as follows: it includes a pipe clamp 101, a clamping block 102, an adjusting spring 103, a fixing rod 104, an adjusting block 105 and a pipe clamp seat 106. The pipe clamp seat 106 is fixedly arranged at the end of the U-shaped structure of the pump seat 1, and the pipe clamp 101 is movably arranged in the corresponding slide groove of the pipe clamp seat 106. The lower shape of the pipe clamp 101 cooperates with the notch at the end of the U-shaped structure of the pump seat 1 to form an extension channel for the hose 9. The end of the pipe clamp 101 is longitudinally provided with a plurality of adjusting slots, one side of the clamping block 102 can be matched and inserted into the adjusting slot of the pipe clamp 101, and the other side of the clamping block 102 is movably arranged at one end of the fixing rod 104, and the other end of the fixing rod 104 passes through the pump seat 1 and is movably arranged on the adjusting block 105. The fixing rod 104 between the clamping block 102 and the pump seat 1 is provided with an adjusting spring 103, and the clamping position of the clamping block 102 is adjusted by bending the adjusting block 105.

[0024] The synchronous disk assembly in the utility model is constructed of a driving gear and four rotors with gears that form a meshing rotational motion of a planetary structure; the synchronous disk assembly is fixed to the pump base through bearing connections and front and rear support plates, and the hose track groove is fixed to the top of the pump base through a fixed shaft to form a function of pressing the hose. The hose is fixed through the pipe clamp assembly device on both sides of the pump base. The motor drives the active teeth to rotate and drives the four rotors to rotate. When the track groove presses the hose onto the four rotor pitch circles, it drives the synchronous disk assembly to rotate as a whole to form a negative pressure, thereby realizing medium transmission. The planetary reduction structure of the utility model can effectively reduce the driving torque of the motor. The motor speed can achieve the buffering of the hose cutting angle through the planetary reduction output, thereby effectively protecting the hose life.

[0025] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. A peristaltic pump with a planetary reduction device, comprising a pump base (1), a synchronous disk assembly (2) and a motor (3), wherein the synchronous disk assembly (2) is arranged in the pump base (1), the body of the motor (3) is fixed on the outside of the pump base (1), and the power shaft of the motor (3) passes through the pump base (1) and is connected to the synchronous disk assembly (2) in a power connection, characterized in that: It also includes a track groove (7) and a hose (9), the pump seat (1) is a U-shaped structure, and a front support plate (4) and a rear support plate (5) are fixedly provided on both sides of the opening of the pump seat (1), one end of the synchronous disk assembly (2) is plugged into the front support plate (4) through a bearing, and the other end of the synchronous disk assembly (2) is connected to the power shaft of the motor (3), and the power shaft of the motor (3) is also provided with a bearing at a position where it passes through the rear support plate (5), and the synchronous disk assembly (2) is a planetary reduction structure; The front support plate (4) and the rear support plate (5) are movably connected to a track groove shaft (6) at one end of the U-shaped structure of the pump seat (1). One end of the track groove (7) is movably arranged on the track groove shaft (6) so that the track groove (7) can rotate around the track groove shaft (6). The front support plate (4) and the rear support plate (5) are both provided with a spring pressure block (8) at the other end of the U-shaped structure of the pump seat (1). The other end of the track groove (7) is correspondingly provided with a U-shaped notch. The spring pressure block (8) can be matched and snapped into the U-shaped notch to fix the track groove (7) on the front support plate (4) and the rear support plate (5). The hose (9) is matched and arranged between the track groove (7) and the synchronous disk assembly (2). The two ends of the hose (9) respectively extend from the two ends of the U-shaped structure of the pump seat (1).

2. A peristaltic pump with a planetary reduction device according to claim 1, characterized in that: The structure of the synchronous disk assembly (2) comprises: two synchronous disk bodies (21) arranged opposite to each other, driving teeth (22), rotors (23) and rotor shafts (24), wherein the driving teeth (22) are arranged transversely at the centers of the two synchronous disk bodies (21), and both ends of the driving teeth (22) are respectively arranged on the synchronous disk bodies (21), and the four rotors (23) are respectively mounted on the rotor shafts (24) and arranged on the synchronous disk bodies (21) around the driving teeth (22), and the driven teeth on the rotors (23) are matched and meshed with the driving teeth (22), and bearings are provided at the connection between the rotor shafts (24) and the synchronous disk bodies (21).

3. The peristaltic pump with a planetary reduction device according to claim 1, characterized in that: Both ends of the U-shaped structure of the pump seat (1) are provided with U-shaped notches for extending the hose (9), and the notches are correspondingly provided with pipe clamp assemblies (10), and the pipe clamp assemblies (10) are used to restrict the hose (9).

4. A peristaltic pump with a planetary reduction device according to claim 3, characterized in that: The pipe clamp assembly (10) is an adjustable pipe clamp structure.

5. The peristaltic pump with a planetary reduction device according to claim 3, characterized in that: The structure of the pipe clamp assembly (10) is as follows: it includes a pipe clamp (101), a clamping block (102), an adjusting spring (103), a fixing rod (104), an adjusting block (105) and a pipe clamp seat (106); the pipe clamp seat (106) is fixedly arranged at the end of the U-shaped structure of the pump seat (1); the pipe clamp (101) is movably arranged in a chute corresponding to the pipe clamp seat (106); the lower shape of the pipe clamp (101) cooperates with the notch of the U-shaped structure end of the pump seat (1) to form an extension of the hose (9) The end of the pipe clamp (101) is provided with a plurality of adjustment slots in the longitudinal direction, one side of the clamping block (102) can be matched and clamped into the adjustment slot of the pipe clamp (101), the other side of the clamping block (102) is movably arranged on one end of a fixing rod (104), the other end of the fixing rod (104) passes through the pump seat (1) and is movably arranged on the adjustment block (105), and an adjustment spring (103) is sleeved on the fixing rod (104) between the clamping block (102) and the pump seat (1).

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