CN214787922U - Improved peristaltic pump - Google Patents
Improved peristaltic pump Download PDFInfo
- Publication number
- CN214787922U CN214787922U CN202120712128.6U CN202120712128U CN214787922U CN 214787922 U CN214787922 U CN 214787922U CN 202120712128 U CN202120712128 U CN 202120712128U CN 214787922 U CN214787922 U CN 214787922U
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- roller
- base
- gear
- peristaltic pump
- hose
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Abstract
The utility model relates to a peristaltic pump technical field discloses a lower improved generation peristaltic pump of gear train output speed, possesses: the base is a cuboid with a hollow structure, and a through hole is formed in one side of the base; the rotating shaft of the motor penetrates through the through hole and extends into the base; the straight gear is axially arranged in the base, and one end of the straight gear is connected with a rotating shaft of the motor; the gear set is axially arranged in the base and is meshed with the straight gear; the roller is radially arranged in the base and meshed with the gear set; the middle cover covers the top of the base and covers the pressing roller; the hose is sleeved on the rolling shaft of the roller; the upper cover covers the top of the middle cover and is used for fixing the hose; the roller is used for forming a sealed vacuum liquid pumping environment by pressing the hose.
Description
Technical Field
The utility model relates to a peristaltic pump technical field, more specifically say, relate to an improved generation peristaltic pump.
Background
Peristaltic pumps pump fluid by alternately squeezing and releasing a flexible delivery hose, i.e., a section of pump tubing between two rotating rollers forming a "pillow" shape of fluid. At present, a peristaltic pump drives a gear set to drive a roller through a motor, and the roller on the roller extrudes and compresses a hose through a spring to form a sealed vacuum environment and pump liquid. However, when the shaft of the conventional motor drives the gear to drive the gear set, the rotation speed of the gear set is high, and the service life of the hose is easily shortened when the hose is used for a long time.
Therefore, how to reduce the rotation speed of the gear set to prolong the service life of the hose becomes a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, when the axle to the above-mentioned existing motor of prior art drives gear drive gear group, the rotational speed of gear train is very fast, when using for a long time, causes the defect that hose life shortens easily, provides a lower improved generation peristaltic pump of gear train output rotational speed.
The utility model provides a technical scheme that its technical problem adopted is: an improved peristaltic pump is constructed having:
the base is a cuboid with a hollow structure, and a through hole is formed in one side of the base;
the rotating shaft of the motor penetrates through the through hole and extends into the base;
the straight gear is axially arranged in the base, and one end of the straight gear is connected with a rotating shaft of the motor;
a gear set axially disposed within the base and engaged with the spur gear;
a roller radially disposed within the base, the roller engaged with the gear set;
the middle cover covers the top of the base and covers and presses the roller;
the hose is sleeved on the rolling shaft of the roller;
the upper cover covers the top of the middle cover and is used for fixing the hose;
the roller is used for forming a sealed vacuum liquid pumping environment by squeezing the hose.
In some embodiments, the rollers are symmetrically arranged at the left side and the right side of the middle end of the roller and are fixed on the roller through roller sleeves.
In some embodiments, a spring is disposed between the roller sleeve and the roller.
In some embodiments, a roller cover is provided on top of the roller for securing the roller housing.
In some embodiments, the gear set includes disk teeth and double layer gears,
the plate teeth are meshed with the straight gear,
the double-layer gear is meshed with the disk teeth, and the double-layer gear is also meshed with the roller.
In some embodiments, the disk tooth is fixedly engaged with the roller by a long steel needle.
In the improved peristaltic pump of the present invention, a through hole is provided at one side of the base, and the motor passes through the through hole and extends into the base; one end of the straight gear is connected with a rotating shaft of the motor, and the gear set is axially arranged in the base and meshed with the straight gear; the roller is radially arranged in the base, the middle cover covers the roller, and the hose is sleeved on the roller of the roller; the upper cover is used for fixing the hose, and the rolling shaft extrudes the hose to form a sealed vacuum liquid pumping environment. Compared with the prior art, the motor is inserted from the side of the base and is fixed on the base, wherein the rotating shaft of the motor drives the straight gear to rotate so as to drive the gear set, thereby reducing the output rotating speed and further prolonging the service life of the hose.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
FIG. 1 is a perspective view of one embodiment of an improved peristaltic pump provided by the present invention;
FIG. 2 is a perspective view of another embodiment of the improved peristaltic pump provided by the present invention;
fig. 3 is an exploded view of an embodiment of the improved peristaltic pump provided by the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, in a first embodiment of the improved peristaltic pump of the present invention, the improved peristaltic pump 10 includes a motor 101, a spur gear 102, a base 103a, a middle cover 103b, an upper cover 103c, a gear set (corresponding to 104a and 105a), and a roller 106.
Wherein the base 103a is formed in a hollow structure (corresponding to 103 a)1) The base 103a has a through hole (not shown) at one side thereof, and the base 103a has an open top structure.
A motor 101 is horizontally installed at the through hole side of the base 103 a.
The rotating shaft of the motor 101 passes through the through hole and extends into the base 103a, and then is connected with one end of the spur gear 102.
Specifically, the spur gear 102 is axially disposed in the base 103a, and one end of the spur gear 102 is connected to a rotating shaft of the motor 101, so that the rotation of the motor 101 drives the spur gear 102 to rotate, thereby outputting a rotation torque to the gear set (corresponding to 104a and 105 a).
Specifically, a gear set (corresponding to 104a and 105a) is axially disposed within the base 103a and meshes with the spur gear 102.
The gear set includes a disk tooth 104a and a double-layer gear 105a, wherein the disk tooth 104a and the double-layer gear 105a are radially disposed in the base 103 a.
It should be noted that the plate teeth 104a are respectively provided with a set of large gears and a set of small gears, the teeth of the large gears are arranged upward and engaged with the spur gear 102, the small gears are arranged at the center of the large gears, and the teeth of the small gears are arranged outward and engaged with the double-layer gear 105 a.
Further, the double-layer gear 105a is also provided with a set of large gears and a set of small gears, the large gears of the double-layer gear 105a are engaged with the small gears of the disk teeth 104a, and the small gears of the double-layer gear 105a are engaged with the gears of the rollers 106.
Further, a gear is provided at the bottom of the roller 106, and a roller is provided at the upper end of the gear.
Specifically, the roller 106 is radially disposed in the base 103a, and the roller 106 is engaged with the gear set, specifically, the gear of the roller 106 is engaged with the pinion of the double-layer gear 105a, and the roller 106 is rotated by the rotation of the double-layer gear 105 a.
Further, an intermediate cover 103b is provided on the opening side of the top of the base 103a, wherein the intermediate cover 103b covers the top of the base 103a and covers the pressing roller 106.
Wherein, a pair of hose grooves are arranged on the upper surface of one side of the middle cover 103 b.
Further, the hose 110 is sleeved on the rollers (109a, 109b) of the roller 106, and both ends of the hose 110 are respectively placed in the hose grooves of the middle cover 103 b.
The upper cover 103c is covered on the top of the middle cover 103b and used for fixing the hose 110;
during liquid pumping, the motor 101 rotates forward or backward, and drives the spur gear 102 to rotate through the rotating shaft thereof, so as to generate a rotation torque, which is applied to the gear set (corresponding to 104a and 105a) to drive the roller 106 to rotate, so that the rollers (109a and 109b) of the roller 106 extrude the hose 110 through the springs (corresponding to 111a and 111b), thereby forming a sealed vacuum liquid pumping environment.
By using the technical scheme, the gear set (corresponding to 104a and 105a) is driven by the motor 101 to drive the roller 106, the rollers (109a and 109b) on the roller 106 are extruded by the springs (corresponding to 111a and 111b) and press the hose 110 tightly to form a sealed vacuum environment for pumping liquid, on one hand, the service life of the hose can be prolonged by adopting the mode, so that the service life of the peristaltic pump is prolonged, the size of a product is reduced, on the other hand, the shaft of the motor 101 is inserted into the spur gear 102, and the spur gear 102 drives the gear set, so that the output rotating speed is reduced, and the service life of the hose is prolonged.
In some embodiments, in order to improve the liquid pumping effect, rollers (109a, 109b) may be disposed on the roller 106, and in particular, the rollers (109a, 109b) are symmetrically disposed at the left and right sides of the middle end of the roller 106 and are fixed to the roller 106 by roller sleeves (108a, 108 b).
In some embodiments, in order to improve the effect of the rollers (109a, 109b) squeezing the hose 110, springs (111a, 111b) may be provided between the roller sleeves (108a, 108b) and the rollers (109a, 109b), respectively.
In some embodiments, in order to improve the safety of the roller 106 in operation, a roller cover 107 may be disposed on the top of the roller 106, wherein the roller cover 107 is used to fix the roller sleeves (108a, 108b) to ensure the smoothness of the rollers (109a, 109b) when the hose 110 is squeezed.
In some embodiments, in order to improve the stability of the operation of the peristaltic pump, a long steel needle 104b may be disposed between the disk teeth 104a and the roller 106, and specifically, the disk teeth 104a are fixedly engaged with the roller 106 through the long steel needle 104 b.
In the technical scheme, on one hand, the stainless steel roller pressing pipe is supported by the springs (111a and 111b), so that the service life of the pressing pipe is prolonged, and the rotation is more stable; the length and the strength of the springs (111a and 111b) can be used for randomly adjusting the pressure of peristaltic liquid or gas;
on the other hand, the plastic gear is adopted to reduce the speed, and the manufacturing cost of the product is lower.
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (6)
1. An improved peristaltic pump, comprising:
the base is a cuboid with a hollow structure, and a through hole is formed in one side of the base;
the rotating shaft of the motor penetrates through the through hole and extends into the base;
the straight gear is axially arranged in the base, and one end of the straight gear is connected with a rotating shaft of the motor;
a gear set axially disposed within the base and engaged with the spur gear;
a roller radially disposed within the base, the roller engaged with the gear set;
the middle cover covers the top of the base and covers and presses the roller;
the hose is sleeved on the rolling shaft of the roller;
the upper cover covers the top of the middle cover and is used for fixing the hose;
the roller is used for forming a sealed vacuum liquid pumping environment by squeezing the hose.
2. An improved peristaltic pump as set forth in claim 1,
the rolling shafts are symmetrically arranged on the left side and the right side of the middle end of the roller and are fixed on the roller through a rolling shaft sleeve.
3. An improved peristaltic pump as set forth in claim 2,
springs are correspondingly arranged between the roller shaft sleeve and the roller.
4. An improved peristaltic pump as set forth in claim 3,
and a roller cover is arranged at the top of the roller and used for fixing the roller shaft sleeve.
5. An improved peristaltic pump as set forth in claim 1,
the gear set comprises disk teeth and a double-layer gear,
the plate teeth are meshed with the straight gear,
the double-layer gear is meshed with the disk teeth, and the double-layer gear is also meshed with the roller.
6. An improved peristaltic pump as set forth in claim 5,
the disk teeth are fixedly matched with the roller through a long steel needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120712128.6U CN214787922U (en) | 2021-04-08 | 2021-04-08 | Improved peristaltic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120712128.6U CN214787922U (en) | 2021-04-08 | 2021-04-08 | Improved peristaltic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214787922U true CN214787922U (en) | 2021-11-19 |
Family
ID=78669997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120712128.6U Active CN214787922U (en) | 2021-04-08 | 2021-04-08 | Improved peristaltic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214787922U (en) |
-
2021
- 2021-04-08 CN CN202120712128.6U patent/CN214787922U/en active Active
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