CN210068495U - Infusion pump - Google Patents
Infusion pump Download PDFInfo
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- CN210068495U CN210068495U CN201920764527.XU CN201920764527U CN210068495U CN 210068495 U CN210068495 U CN 210068495U CN 201920764527 U CN201920764527 U CN 201920764527U CN 210068495 U CN210068495 U CN 210068495U
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- pump
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- bracket
- sealing
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Abstract
The utility model discloses an infusion pump, include: a motor; the first bracket is connected to the motor; the joint is connected to a rotating shaft on the motor; one end of the pump shaft is sleeved on the rotating shaft and is connected with the joint; the pump cover is penetrated on the pump shaft and is connected to the first bracket; the sealing part is connected between the pump cover and the pump shaft; the impeller is connected to the pump shaft and is in clearance fit with the pump cover; the locking piece is connected to the pump shaft and used for pressing the impeller; the pump body is connected with the first bracket, presses the pump cover, is matched with the impeller and conveys liquid; the second bracket is connected to the pump body and used for connecting the mounting platform with the mounting platform; thereby overcome the structure more complicated, the installation is inconvenient, the relatively poor technical problem of leakproofness, reached simple to operate, the good technological effect of leakproofness, the practicality is strong.
Description
Technical Field
The utility model relates to a pump technical field, specific transfer pump that says so.
Background
The infusion pump is used for delivering liquid and transmits mechanical energy of the prime motor or other external energy to the liquid to increase the energy of the liquid; in the specific use process, the defects that the general infusion pump is complex in structure, inconvenient to connect with a mounting platform and poor in sealing performance are found.
Disclosure of Invention
To the above-mentioned weak point that exists among the correlation technique, the utility model aims at providing an infusion pump to the structure that solves among the correlation technique is more complicated, and the installation is inconvenient, the relatively poor technical problem of leakproofness.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: an infusion pump is structurally characterized by comprising:
a motor;
the first bracket is connected to the motor;
the joint is connected to a rotating shaft on the motor;
one end of the pump shaft is sleeved on the rotating shaft and is connected with the joint;
the pump cover is penetrated on the pump shaft and is connected to the first bracket;
the sealing part is connected between the pump cover and the pump shaft;
the impeller is connected to the pump shaft and is in clearance fit with the pump cover;
the locking piece is connected to the pump shaft and used for pressing the impeller;
the pump body is connected with the first bracket, presses the pump cover, is matched with the impeller and conveys liquid;
and the second support is connected to the pump body and is used for being connected with the mounting platform.
Further: the first bracket comprises a first plate used for connecting the motor; the second plate is used for connecting the pump cover and the pump body; and at least three third plates connected between the first plate and the second plate.
Further: the pump shaft comprises a sleeve body which is sleeved on the rotating shaft and is connected with the joint; and the step shaft is connected to the sleeve body.
Further: the sealing portion includes:
the sealing gland is penetrated on the pump shaft and is connected with the pump cover;
the at least two first oil seals are connected to the pump cover and tightly clasped with the pump shaft;
the at least two second oil seals are connected to the sealing gland and used for forming a sealing cavity with the sealing gland, the pump cover, the pump shaft and the first oil seal;
the mechanical seal is connected to the pump shaft and the seal gland and is arranged in the seal cavity;
the two pipelines are connected to the side wall of the sealing gland and communicated with the sealing cavity;
the sealing ring is arranged in the first groove on the sealing gland and is used for being attached to the pump cover;
and a blocking member connected to the pump shaft for blocking the second oil seal.
Further: the impeller is a closed impeller.
Further: the second bracket comprises a fourth plate which is used for being connected with the pump body; the fifth plate is used for being connected with the mounting platform; and at least three sixth plates connected between the fourth plate and the fifth plate.
The utility model has the advantages that: compared with the related art, the infusion pump has the advantages that the pump shaft is directly connected to the rotating shaft on the motor, the overall length of the infusion pump is shortened, the bearing box is omitted, the infusion pump is directly connected with the mounting platform after being connected to the pump body through the second support, the installation and the disassembly are convenient, the structure is simple, and the sealing part is arranged, so that the sealing performance is ensured; thereby overcome the structure more complicated, the installation is inconvenient, the relatively poor technical problem of leakproofness, reached simple to operate, the good technological effect of leakproofness, the practicality is strong.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a pump shaft in an embodiment of the present invention;
fig. 3 is a schematic structural view of a pump shaft, a pump cover and a sealing part in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an actual usage state of the embodiment of the present invention;
in the figure: 1. the hydraulic pump comprises a motor, 2, a first support, 3, a joint, 4, a pump shaft, 5, a pump cover, 6, a sealing part, 7, an impeller, 8, a locking part, 9, a pump body, 10, a second support, 101, a rotating shaft, 201, a first plate, 202, a second plate, 203, a third plate, 401, a sleeve body, 402, a step shaft, 601, a sealing gland, 602, a first oil seal, 603, a second oil seal, 604, a mechanical seal, 605, a pipeline, 606, a sealing ring, 607, a blocking piece, 608, a sealing cavity, 601-1, a first groove, 1001, a fourth plate, 1002, a fifth plate, 1003 and a sixth plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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;
the utility model relates to an infusion pump has solved the structure in the correlation technique more complicated, and the installation is inconvenient, the relatively poor technical problem of leakproofness, and the general thinking is as follows:
see fig. 1, 2, 3; an infusion pump comprising:
a motor 1;
the first bracket 2 is connected to the motor 1;
a joint 3 connected to a rotating shaft 101 of the motor 1;
a pump shaft 4, one end of which is sleeved on the rotating shaft 101 and is connected with the joint 3;
the pump cover 5 is penetrated on the pump shaft 4 and is connected to the first bracket 2;
a sealing part 6 connected between the pump cover 5 and the pump shaft 4;
the impeller 7 is connected to the pump shaft 4 and is in clearance fit with the pump cover 5;
a locking member 8 connected to the pump shaft 4 for pressing the impeller 7;
the pump body 9 is connected to the first bracket 2, presses the pump cover 5, and is matched with the impeller 7 to convey liquid;
the second bracket 10 is connected to the pump body 9 and is used for being connected with the mounting platform;
specifically, during implementation, the pump shaft 4 is directly connected to the rotating shaft 101 on the motor 1, so that the overall length of the infusion pump is shortened, a bearing box is omitted, and the pump shaft is directly connected with an installation platform after being connected to the pump body 9 through the second support 10, so that the installation and the disassembly are convenient, the structure is simple, and the sealing part 6 is arranged, so that the sealing performance is ensured; therefore, the technical problems of complex structure, inconvenient installation and poor sealing performance are solved, and the technical effects of convenient installation and good sealing performance are achieved;
the first embodiment is as follows:
specifically, in fig. 1, the motor 1 is a Y2 series vertical motor in the prior art;
specifically, in fig. 1, the first bracket 2 includes a first plate 201 for connecting the motor 1; a second plate 202 for connecting the pump cover 5 and the pump body 9; and at least three third plates 203 connected between the first plate 201 and the second plate 202;
in implementation, the first plate 201 is a circular ring structure, and is connected with the motor 1 through a bolt; the second plate 202 is of a circular ring structure and is connected with the pump cover 5 and the pump body 9 through bolts; the number of the third plates 203 is four, the third plates are in a right-angled trapezoid structure, and the third plates are welded between the first plate 201 and the second plate 202; a support structure is formed;
specifically, in fig. 1, the joint 3 is in a shape of a "T" after being projected from a front plane to a rear plane, is connected with the rotating shaft 101 through a key, and leaves two first threaded through holes on a side wall, wherein bolts are inserted into the first threaded through holes, and are pressed against the rotating shaft 101 after being screwed, so that the joint 3 and the rotating shaft 101 are connected more reliably;
specifically, in fig. 1 and 2, the pump shaft 4 includes a sleeve 401, which is sleeved on the rotating shaft 101 and connected to the joint 3; the step shaft 402 is connected to the sleeve body 401;
in implementation, the pump shaft 4 is machined by forging a blank; the sleeve body 401 is sleeved on the rotating shaft 101 and is in key connection with the rotating shaft 101, and then the sleeve body 401 is connected with the joint 3 through the bolt, so that the pump shaft 4 and the motor 1 are connected into a whole, the motor 1 is directly connected with the pump shaft 4, a bearing box is omitted, and the structure is simplified;
specifically, in fig. 1, the pump cover 5 is integrally cast and machined, and is connected to the first bracket 2 by bolts;
specifically, in fig. 1, the seal portion 6 includes:
a sealing gland 601, which is threaded on the pump shaft 4 and connected with the pump cover 5;
at least two first oil seals 602 connected to the pump cover 5 and tightly clasped with the pump shaft 4;
at least two second oil seals 603 connected to the sealing gland 601, and configured to form a sealing cavity 608 with the sealing gland 601, the pump cover 5, the pump shaft 4, and the first oil seal 602;
a mechanical seal 604 connected to the pump shaft 4 and the gland 601 and disposed in the seal cavity 608;
two pipelines 605 connected to the side wall of the gland 601 and communicated with the seal cavity 608;
the sealing ring 606 is arranged in the first groove 601-1 on the sealing gland 601 and is used for being attached to the pump cover 5;
and a blocking member 607 coupled to the pump shaft 4 for blocking the second oil seal 603;
in implementation, the sealing gland 601 is integrally cast and formed, then machined and connected to the pump cover 5 through bolts;
the number of the first oil seal 602 and the second oil seal 603 is two, and a common structure in the prior art is adopted, so that a sealing effect is achieved;
the mechanical seal 604 adopts a single-end-face mechanical seal, such as a 105-type single-end-face mechanical seal, the fixed ring is connected to the sealing gland 601, and the movable ring is tightly held on the pump shaft 4, so that a sealing structure is formed, and the sealing performance is ensured;
the pipeline 605 is a straight pipe and is in threaded connection with a second threaded through hole in the side wall of the sealing gland 601;
the sealing ring 606 is an O-shaped sealing ring, so that the sealing property between the sealing gland 601 and the pump cover 5 is ensured;
the blocking piece 607 has a circular ring-shaped structure, is positioned with the pump shaft 4 through at least two threaded pins, and is used for blocking the second oil seal 603, so that the second oil seal 603 can be prevented from falling off, and dust can also be prevented from entering;
the hoops are connected with the hoses on the two pipelines 605, so that clean circulating water can enter the sealing cavity 608 to flush and cool the mechanical seal 604, the mechanical seal 604 can work normally, the sealing cavity 608 is a relatively sealed space and is isolated from the conveyed liquid, and water cannot enter the pump body 9, so that the conveyed liquid cannot be influenced;
specifically, in fig. 1, the impeller 7 is a closed impeller and is connected with the pump shaft 4 through a key, and under the same working condition, the conveying efficiency is higher compared with that of an open impeller;
specifically, in fig. 1, the locking member 8 includes a first threaded sleeve connected to an external threaded section at the end of the pump shaft 4, and a bolt threaded on the first threaded sleeve and connected to an internal threaded hole at the end of the pump shaft 4; so that the impeller 7 is reliably positioned on the pump shaft 4;
specifically, in fig. 1, the pump body 9 is integrally cast and formed and then machined;
more specifically, in fig. 1, the second bracket 10 comprises a fourth plate 1001 for connection to the pump body 9; a fifth plate 1002 for connection to the mounting platform; and at least three sixth boards 1003 connected between the fourth board 1001 and the fifth board 1002;
in implementation, the fourth plate 1001 is a circular ring structure and is connected with the pump body 9 through bolts; the fifth plate 1002 is of a circular ring structure and is connected with the mounting platform through bolts; the number of the sixth plates 1003 is four, the sixth plates are in a right-angled trapezoid structure, and the sixth plates are welded between the fourth plate 1001 and the fifth plate 1002 to form a support; the infusion pump can be reliably connected with the mounting platform, and the operation is more convenient;
specifically, when being installed, the pump shaft 4 is connected to the motor 1 through the joint 3; the first bracket 2 is connected to the motor 1 through a bolt; the sealing part 6 is connected to the pump shaft 4, and the first oil seal 602 is not installed firstly; the pump cover 5 is connected to the first support 2 through a bolt; the sealing part 6 is connected with and positioned on the pump cover 5, and a first oil seal 602 is installed; the impeller 7 is connected and positioned with the pump shaft 4 through a locking piece 8; a bolt penetrates between the pump body 9 and the first bracket 2 to be connected and positioned; a bolt is inserted between the second bracket 10 and the pump body 9 for connecting and positioning; when the infusion pump is used, the pump body 9 is connected with the liquid inlet pipe orifice 11 through a bolt, the second support 10 is sleeved outside the liquid inlet pipe orifice 11 and is connected with the mounting platform through the bolt, and therefore the connection reliability of the infusion pump is better;
the utility model discloses a theory of operation: when the infusion pump is implemented, the pump shaft 4 is directly connected to the rotating shaft 101 on the motor 1, the overall length of the infusion pump is shortened, a bearing box is omitted, and the pump shaft is directly connected with an installation platform after being connected to the pump body 9 through the second support 10, so that the infusion pump is convenient to install and disassemble, is relatively simple in structure, and is provided with the sealing part 6, and the sealing performance is guaranteed; thereby overcome the structure more complicated, the installation is inconvenient, the relatively poor technical problem of leakproofness, reached simple to operate, the good technical effect of leakproofness.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like, which indicate orientations or positional relationships, are based on the positional relationships illustrated in the drawings, and are only for convenience of describing the present invention or simplifying the description, but do not indicate specific orientations that must be provided; the operation processes described in the embodiments are not absolute use steps, and may be adjusted accordingly when actually used.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs; the use of "first," "second," and the like in the description and in the claims is not intended to identify any order, quantity, or importance, but rather is used to distinguish one element from another, and similarly, the use of "a" or "an" and the like do not necessarily indicate a limitation of quantity, but rather indicate the presence of at least one, depending on the context of the embodiment.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. An infusion pump, comprising:
an electric machine (1);
the first bracket (2) is connected to the motor (1);
the joint (3) is connected to a rotating shaft (101) on the motor (1);
one end of the pump shaft (4) is sleeved on the rotating shaft (101) and is connected with the joint (3);
the pump cover (5) penetrates through the pump shaft (4) and is connected to the first support (2);
the sealing part (6) is connected between the pump cover (5) and the pump shaft (4);
the impeller (7) is connected to the pump shaft (4) and is in clearance fit with the pump cover (5);
a locking piece (8) connected to the pump shaft (4) and used for pressing the impeller (7);
the pump body (9) is connected to the first bracket (2), presses the pump cover (5) and is matched with the impeller (7) to convey liquid;
and the second bracket (10) is connected to the pump body (9) and is used for being connected with the mounting platform.
2. An infusion pump according to claim 1, wherein: the first bracket (2) comprises a first plate (201) for connecting the motor (1); a second plate (202) for connecting the pump cover (5) and the pump body (9); and at least three third plates (203) connected between the first plate (201) and the second plate (202).
3. An infusion pump according to claim 1, wherein: the pump shaft (4) comprises a sleeve body (401) which is sleeved on the rotating shaft (101) and is connected with the joint (3); and the step shaft (402) is connected to the sleeve body (401).
4. An infusion pump according to claim 1, wherein: the seal portion (6) includes:
the sealing gland (601) is penetrated on the pump shaft (4) and is connected with the pump cover (5);
at least two first oil seals (602) connected to the pump cover (5) and tightly clasped with the pump shaft (4);
the at least two second oil seals (603) are connected to the sealing gland (601) and are used for forming a sealing cavity (608) with the sealing gland (601), the pump cover (5), the pump shaft (4) and the first oil seal (602);
a mechanical seal (604) connected to the pump shaft (4) and the gland (601) and disposed in the seal cavity (608);
two pipelines (605) connected to the side wall of the sealing gland (601) and communicated with the sealing cavity (608);
the sealing ring (606) is arranged in a first groove (601-1) on the sealing gland (601) and is used for being attached to the pump cover (5);
and a blocking member (607) connected to the pump shaft (4) for blocking the second oil seal (603).
5. An infusion pump according to claim 1, wherein: the impeller (7) is a closed impeller.
6. An infusion pump according to claim 1, wherein: the second bracket (10) comprises a fourth plate (1001) for connection to the pump body (9); a fifth plate (1002) for connection to the mounting platform; and at least three sixth boards (1003) connected between the fourth board (1001) and the fifth board (1002).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920764527.XU CN210068495U (en) | 2019-05-27 | 2019-05-27 | Infusion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920764527.XU CN210068495U (en) | 2019-05-27 | 2019-05-27 | Infusion pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210068495U true CN210068495U (en) | 2020-02-14 |
Family
ID=69454227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920764527.XU Active CN210068495U (en) | 2019-05-27 | 2019-05-27 | Infusion pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210068495U (en) |
-
2019
- 2019-05-27 CN CN201920764527.XU patent/CN210068495U/en active Active
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