CN210013820U - Gear pump that radiating efficiency is high - Google Patents
Gear pump that radiating efficiency is high Download PDFInfo
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- CN210013820U CN210013820U CN201920612921.1U CN201920612921U CN210013820U CN 210013820 U CN210013820 U CN 210013820U CN 201920612921 U CN201920612921 U CN 201920612921U CN 210013820 U CN210013820 U CN 210013820U
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- ring
- sealing ring
- heat dissipation
- pump
- pump body
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Abstract
The utility model discloses a gear pump with high heat dissipation efficiency, which comprises a pump body, a driving shaft and a cooling device; a pump body sealing ring is arranged on the pump body, a driving sealing ring is arranged on the driving shaft, and the pump body sealing ring and the driving sealing ring are connected together in a sliding manner; the pump body sealing ring is composed of a sliding ring and a heat dissipation ring, the sliding ring is connected with the driving sealing ring in a sliding mode, a plurality of heat dissipation columns are arranged on the heat dissipation ring, the heat dissipation columns are embedded in the sliding ring, the heat dissipation ring is provided with an accommodating cavity, the accommodating cavity is provided with a liquid inlet and a liquid outlet, and the heat dissipation columns are partially inserted into the accommodating cavity; and the cooling device comprises refrigeration equipment and a circulating pump, and the refrigeration equipment and the circulating pump are both arranged on the circulating pipelines of the liquid inlet and the liquid outlet. The utility model discloses a no matter how long time of work, the produced heat of pump body sealing ring and drive sealing ring rotary friction can all obtain timely, thorough cleaing away of gear pump that the radiating efficiency is high to ensured that the gear pump can long-time work, obtained extremely ideal working property.
Description
Technical Field
The utility model belongs to the technical field of mechanical equipment technique and specifically relates to a gear pump that radiating efficiency is high is related to.
Background
Gear pumps are rotary pumps that deliver or pressurize fluid by virtue of the change in working volume and movement created between a pump cylinder and a meshing gear. The gear pump is generally composed of two gears, a pump body and front and rear covers to form two closed spaces, when the gears rotate, the space on the gear disengagement side becomes larger from smaller to larger to form vacuum to suck liquid, the space on the gear engagement side becomes smaller from larger to smaller to squeeze the liquid into a pipeline, a suction cavity and a discharge cavity are separated by the meshing line of the two gears, and the pressure of the discharge port of the gear pump is completely determined by the resistance at the pump outlet.
The joint of the driving shaft and the pump body of the gear pump must form a sealed cavity, otherwise, the gear pump cannot work normally, but when the driving shaft of the conventional gear pump rotates, the joint of the driving shaft and the pump body generates high heat due to rotary friction, and the flow cannot be evacuated in time, so that sealing parts are damaged, the sealing performance is poor, even leakage is caused, and the gear pump cannot work normally. In the face of the problem, the existing treatment means are generally in several ways:
(1) the gear pump stops working, and starts working again after heat dissipation and cooling;
(2) replacement of the sealing member with new one is frequent;
(3) additional back-up gear pumps are used, etc.
Therefore, the technology of the gear pump is still to be further improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a gear pump with high heat dissipation efficiency, which comprises a pump body (100), a driving shaft (200) and a cooling device;
the pump body is provided with a pump body sealing ring (110), the driving shaft is provided with a driving sealing ring (210), and the pump body sealing ring and the driving sealing ring are connected together in a sliding manner, so that a sealing cavity is formed at the joint of the pump body and the driving shaft;
the pump body sealing ring is composed of a sliding ring (1101) and a heat dissipation ring (1102), the sliding ring is connected with the driving sealing ring in a sliding mode,
a plurality of radiating columns (11021) are arranged on the radiating ring, the radiating columns are embedded into the sliding ring so as to exchange heat between the radiating ring and the sliding ring,
the heat dissipation ring is provided with an accommodating cavity (11022), the accommodating cavity is provided with a liquid inlet (11023) and a liquid outlet (11024), and the heat dissipation column is partially inserted into the accommodating cavity; and
the cooling device comprises refrigeration equipment and a circulating pump, wherein the refrigeration equipment and the circulating pump are arranged on circulating pipelines of the liquid inlet and the liquid outlet.
Optionally, a sliding contact surface is arranged on the sliding ring, the sliding contact surface is in sliding connection with the driving sealing ring, and the sliding contact surface is made of graphite.
Optionally, a metering pump is arranged on the circulating pipeline of the liquid inlet and the liquid outlet.
Optionally, a one-way check valve is arranged on the circulating pipeline of the liquid inlet and the liquid outlet.
Optionally, a temperature sensor is disposed in the accommodating cavity.
Optionally, the temperature sensor is connected with an alarm.
Optionally, the cooling medium used by the cooling device is water.
Compared with the prior art, the utility model discloses a gear pump that radiating efficiency is high's beneficial effect at least as follows:
1. according to the utility model discloses a gear pump that radiating efficiency is high, the heat that produces during pump body sealing ring and the drive sealing ring rotary friction can be transmitted to the refrigerant who holds the intracavity through the heat dissipation post immediately and obtain cooling heat dissipation to protected pump body sealing ring and drive sealing ring can not receive the thermal damage of friction all the time, and then ensured that the junction of the pump body and drive shaft is in encapsulated situation all the time.
2. According to the utility model discloses a gear pump that radiating efficiency is high owing to have the circulation refrigeration route, can continuously refrigerate the heat dissipation, consequently, no matter how long time gear pump work, the produced heat of pump body sealing ring and drive sealing ring rotary friction all can obtain timely, thorough cleaing away to ensured that the gear pump can long-time work, obtained extremely ideal working property.
3. According to the utility model discloses a gear pump that radiating efficiency is high can accurate control refrigerant's flow through the measuring pump, and then can select the cooling radiating effect of multiple difference.
4. According to the utility model discloses a gear pump that radiating efficiency is high utilizes temperature-sensing ware and alarm can monitor and the early warning to the temperature in real time, prevents that the gear pump from receiving the damage, is favorable to prolonging the life of gear pump.
5. According to the utility model discloses a gear pump that radiating efficiency is high can be according to the temperature parameter of temperature-sensing ware monitoring, correspondingly through the flow of adjustment measuring pump and accurate control refrigeration medium, and then selects the cold and hot radiating effect of best, not only is favorable to protecting the gear pump, is favorable to reducing the refrigeration heat dissipation cost moreover, has gained extremely ideal comprehensive benefit.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic sectional view of a gear pump with high heat dissipation efficiency according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a pump body sealing ring of a gear pump with high heat dissipation efficiency according to the embodiment of the present invention.
Reference numerals:
100-a pump body; 110-pump body sealing ring; 1101-a slip ring; 1102-a heat dissipation ring; 11021-heat-dissipating column; 11022-accommodating chamber; 11023-liquid inlet; 11024-liquid outlet; 200-a drive shaft; 210-driving the sealing ring.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In addition, the embodiments are exemplary only, and are not to be construed as limiting the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "dismounted", "connected" and "connected" are to be understood in a broad sense, e.g. as a fixed connection, as a detachable connection or as an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The utility model discloses a gear pump with high heat dissipation efficiency, according to the embodiment of the utility model, as shown in figures 1 and 2, the gear pump comprises a pump body 100, a driving shaft 200 and a cooling device (not shown, the same below);
the pump body 100 is provided with a pump body sealing ring 110, the driving shaft 200 is provided with a driving sealing ring 210, and the pump body sealing ring 110 and the driving sealing ring 210 are connected together in a sliding manner, so that a sealing cavity is formed at the joint of the pump body 100 and the driving shaft 200;
the pump body seal ring 110 is composed of a slide ring 1101 and a heat dissipating ring 1102, the slide ring 1101 is slidably connected to the drive seal ring 210,
the heat dissipating ring 1102 is provided with a plurality of heat dissipating studs 11021, and the heat dissipating studs 11021 are fitted into the sliding ring 1101 so that heat exchange can be performed between the heat dissipating ring 1102 and the sliding ring 1101,
a containing cavity 11022 is arranged in the heat dissipation ring 1102, the containing cavity 11022 is provided with a liquid inlet 11023 and a liquid outlet 11024, and part of the heat dissipation column 11021 is inserted into the containing cavity 11022; and
the cooling device comprises refrigeration equipment and a circulating pump, and the refrigeration equipment and the circulating pump are both arranged on circulating pipelines of the liquid inlet 11023 and the liquid outlet 11024.
The utility model discloses a theory of operation and working process of gear pump that the radiating efficiency is high are as follows:
(1) as shown in fig. 1 and 2, when the gear pump works, the pump body sealing ring 110 of the pump body 100 is fixed and does not rotate, and the driving shaft 200 drives the driving sealing ring 210 to rotate, so that the pump body sealing ring 110 and the driving sealing ring 210 rotate and slide relatively, and the pump body sealing ring 110 and the driving sealing ring 210 are connected together in a sliding manner, so that a sealing cavity is formed at the joint of the pump body 100 and the driving shaft 200;
(2) as shown in fig. 1 and 2, when the pump body sealing ring 110 and the driving sealing ring 210 relatively slide in a rotating manner, high heat is generated due to friction, since the heat dissipating stud 11021 of the heat dissipating ring 1102 is embedded in the sliding ring 1101, the heat can be immediately transmitted to the heat dissipating ring 1102 through the heat dissipating stud 11021, and since the heat dissipating stud 11021 is partially inserted into the accommodating cavity 11022 of the heat dissipating ring 1102, the heat immediately enters the accommodating cavity 11022 through the heat dissipating stud 11021.
(3) As shown in fig. 1 and 2, since the circulation pipes of the liquid inlet 11023 and the liquid outlet 11024 of the accommodating chamber 11022 are provided with the refrigeration equipment and the circulation pump, a circulation refrigeration path is formed together with the accommodating chamber 11022, so that the heat radiation column 11021 can be always immersed in the refrigeration medium in the accommodating chamber 11022. Therefore, the heat transferred by the heat dissipation column 11021 can be immediately cooled and dissipated as soon as entering the accommodating cavity 11022, and the heat can be continuously cooled and dissipated due to the circulating refrigeration path. Therefore, the heat generated can be timely and thoroughly cooled and dissipated, so that the pump body sealing ring 110 and the driving sealing ring 210 are protected from being damaged by friction heat all the time, the joint of the pump body 100 and the driving shaft 200 is ensured to be in a sealing state all the time, and a good effect that the gear pump can work for a long time is achieved.
Of course, the utility model discloses can be with the help of all prior art that can utilize, suitable material etc. is selected to pump body sealing ring 110 and drive sealing ring 210 for example, and these changes all fall within the utility model discloses a within the scope of protection, no longer describe any more.
According to the utility model discloses an embodiment, as shown in fig. 1, the gear pump that the radiating efficiency is high of the utility model discloses a further optimization and improvement can also be done, for example:
(1) according to an embodiment of the present invention, as shown in fig. 1 and 2, the sliding ring 1101 is provided with a sliding contact surface, the sliding contact surface is slidably connected with the driving seal ring 210, and the sliding contact surface is made of graphite. Therefore, the graphite has extremely excellent thermal stability, the change of the external temperature has little influence on the sealing performance, the graphite also has an unusual self-lubricating function, and in addition, the characteristics of corrosion resistance, no aging and no brittleness are realized, so that the long-term stable use of the graphite can be ensured under harsh conditions, and the graphite has good sealing performance.
(2) According to the utility model discloses an embodiment, as shown in fig. 1 and fig. 2, be provided with the measuring pump on inlet 11023 and liquid outlet 11024's the circulating line (not shown, lower the same), so can accurate control refrigeration medium's flow, and then can select multiple cold and hot radiating effect.
(3) According to an embodiment of the present invention, as shown in fig. 1 and 2, a temperature sensor (not shown, the same applies below) is disposed in the accommodating chamber 11022.
(4) According to the embodiment of the present invention, as shown in fig. 1 and 2, the temperature sensor is connected to an alarm (not shown, the same applies below).
(5) According to an embodiment of the present invention, as shown in fig. 1 and 2, the cooling medium used in the cooling device is water.
It should be particularly noted that the technical features or advantages of the present invention, which have been described and are easily understood by those skilled in the art and are related to the prior art, are not described in detail herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A gear pump with high heat dissipation efficiency is characterized by comprising a pump body (100), a driving shaft (200) and a cooling device;
the pump body is provided with a pump body sealing ring (110), the driving shaft is provided with a driving sealing ring (210), and the pump body sealing ring and the driving sealing ring are connected together in a sliding manner, so that a sealing cavity is formed at the joint of the pump body and the driving shaft;
the pump body sealing ring is composed of a sliding ring (1101) and a heat dissipation ring (1102), the sliding ring is connected with the driving sealing ring in a sliding mode,
a plurality of radiating columns (11021) are arranged on the radiating ring, the radiating columns are embedded into the sliding ring so as to exchange heat between the radiating ring and the sliding ring,
the heat dissipation ring is provided with an accommodating cavity (11022), the accommodating cavity is provided with a liquid inlet (11023) and a liquid outlet (11024), and the heat dissipation column is partially inserted into the accommodating cavity; and
the cooling device comprises refrigeration equipment and a circulating pump, wherein the refrigeration equipment and the circulating pump are arranged on circulating pipelines of the liquid inlet and the liquid outlet.
2. The gear pump of claim 1, wherein the sliding ring is provided with a sliding contact surface, the sliding contact surface is slidably connected to the driving seal ring, and the sliding contact surface is made of graphite.
3. The gear pump with high heat dissipation efficiency as recited in claim 1, wherein the circulating pipelines of the liquid inlet and the liquid outlet are provided with metering pumps.
4. The gear pump with high heat dissipation efficiency as recited in claim 1, wherein the circulation pipelines of the liquid inlet and the liquid outlet are provided with one-way check valves.
5. The heat-dissipating, high-efficiency gear pump of any one of claims 1 to 4, wherein a temperature sensor is disposed in the receiving cavity.
6. The gear pump with high heat dissipation efficiency as recited in claim 5, wherein the temperature sensor is connected with an alarm.
7. The gear pump of claim 5, wherein the cooling medium used by the cooling device is water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920612921.1U CN210013820U (en) | 2019-04-29 | 2019-04-29 | Gear pump that radiating efficiency is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920612921.1U CN210013820U (en) | 2019-04-29 | 2019-04-29 | Gear pump that radiating efficiency is high |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210013820U true CN210013820U (en) | 2020-02-04 |
Family
ID=69316166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920612921.1U Active CN210013820U (en) | 2019-04-29 | 2019-04-29 | Gear pump that radiating efficiency is high |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210013820U (en) |
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2019
- 2019-04-29 CN CN201920612921.1U patent/CN210013820U/en active Active
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