CN219570315U

CN219570315U - Cooling structure of plunger pump for humidifier

Info

Publication number: CN219570315U
Application number: CN202320210354.3U
Authority: CN
Inventors: 阮麟
Original assignee: Taizhou Fuge Electromechanical Co ltd
Current assignee: Taizhou Fuge Electromechanical Co ltd
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2023-08-22
Anticipated expiration: 2033-01-31

Abstract

The utility model provides a cooling structure of a plunger pump for a humidifier, which comprises a main pump body, wherein a plunger cavity and a power cavity which are communicated are formed in the main pump body; the plunger rod is arranged in the plunger cavity in a reciprocating linear movement manner; the transmission shaft is rotatably arranged in the power cavity, and one end of the transmission shaft extends out of the pump body and is used for connecting a power source; the eccentric sleeve is sleeved on the transmission shaft and rotates along with the transmission shaft; a heat dissipation channel is arranged in the main pump body, and at least part of the heat dissipation channel surrounds the plunger cavity; a water passing cavity is arranged above the power cavity, and two sides of the water passing cavity are respectively communicated with two ends of the heat dissipation channel; the other end of the drive shaft extends into the water chamber and the end is provided with an impeller for conveying liquid. According to the utility model, the rotation of the transmission shaft drives the liquid in the water passing cavity and the heat dissipation channel to flow, so that the temperature of the plunger cavity is reduced. Meanwhile, the rotation of the transmission shaft is utilized, so that the redundant kinetic energy of the transmission shaft by the power source is more fully utilized, the phase change reduces the energy consumption ratio, and the utilization rate is higher.

Description

Cooling structure of plunger pump for humidifier

Technical Field

The utility model relates to the technical field of plunger pumps, in particular to a cooling structure of a plunger pump for a humidifier.

Background

Plunger pumps are an important device of hydraulic systems. The plunger reciprocates in the cylinder body to change the volume of the sealed working cavity, so as to realize oil absorption and pressure oil. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like. The plunger rod in the conventional plunger pump can generate a large amount of heat in the reciprocating motion, such as a plunger pump with the Chinese patent application number of 202110821318.6, and the plunger pump has the defect that an effective cooling structure is not arranged in the plunger pump.

Disclosure of Invention

In view of the above, the present utility model is directed to a cooling structure of a plunger pump for a humidifier, which solves the problem of heat dissipation of a conventional plunger pump through a heat dissipation channel, a water passing cavity, and an impeller connected with a transmission shaft.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

a cooling structure for a plunger pump of a humidifier, comprising:

the main pump body is internally provided with a plunger cavity and a power cavity which are communicated with each other;

a plunger rod which is arranged in the plunger cavity in a reciprocating and linear movement manner;

the transmission shaft is rotatably arranged in the power cavity, and one end of the transmission shaft extends out of the pump body and is used for connecting a power source;

the eccentric sleeve is sleeved on the transmission shaft and rotates along with the transmission shaft, and is used for driving the plunger rod to move;

a heat dissipation channel is arranged in the main pump body, and at least partially surrounds the plunger cavity; a water passing cavity is arranged above the power cavity, and two sides of the water passing cavity are respectively communicated with two ends of the heat dissipation channel; the other end of the transmission shaft extends into the water cavity and the end is provided with an impeller for conveying liquid.

Preferably, the main pump body is provided with a first water passing body, and the first water passing body is positioned above the power cavity; the first water passing body is provided with a second water passing body, and the first water passing body is connected with the second water passing body in a sealing manner to form the water passing cavity.

Preferably, the first water passing body comprises a first water passing groove, a water inlet and a water outlet are respectively formed in two sides of the water passing groove, and the water inlet and the water outlet are respectively communicated with two ends of the heat dissipation channel.

Preferably, the water inlet and the water outlet extend along the tangential direction of the inner wall of the water trough.

Preferably, the first water passing body is provided with a through shaft hole, and one end of the transmission shaft extends into the first water passing groove after passing through the through shaft hole; wherein, seal bearings are arranged between the transmission shaft and the inner wall of the shaft hole.

Preferably, the first water passing body and the second water passing body are detachably connected.

Preferably, an upper sealing groove is formed in the upper side of the first water passing body, a lower sealing groove is formed in the lower side of the second water passing body, the upper sealing groove and the lower sealing groove are matched to form a sealing ring groove, and a sealing ring is arranged in the sealing ring groove.

Preferably, the first water passing body and the main pump body are integrally formed.

Preferably, the main pump body is provided with a liquid exchange port, and the liquid exchange port is communicated with the heat dissipation channel; the liquid exchange opening is provided with a liquid exchange switch for closing or opening the liquid exchange opening.

Preferably, the heat dissipation channel is spirally wound on the peripheral side of the water passing cavity.

Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

according to the utility model, the impeller is driven to rotate by the original rotation of the transmission shaft, so that the liquid in the water passing cavity and the heat dissipation channel is driven, the liquid flows, and the cooling effect on the plunger cavity is achieved. Meanwhile, the rotation of the transmission shaft is utilized, which is equivalent to more fully utilizing the redundant kinetic energy of the power source to the transmission shaft, reducing the energy consumption ratio by phase change and having higher power utilization rate to the power source.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a cross-sectional view of the present utility model.

Reference numerals: 1. a main pump body; 11. a plunger cavity; 12. a power cavity; 13. a plunger rod; 14. a transmission shaft; 15. an eccentric sleeve;

2. a heat dissipation channel; 3. a water passing cavity; 4. an impeller;

5. a first water passing body; 51. a first water passing tank; 52. a water inlet; 53. a water outlet; 54. penetrating through the shaft hole; 55. an upper seal groove;

6. a second water passing body; 61. a lower seal groove;

7. sealing the bearing; 8. a seal ring; 9. a liquid exchange port; 10. and a liquid change switch.

Detailed Description

The following detailed description of the utility model is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the utility model.

As shown in fig. 1-2, a cooling structure of a plunger pump for a humidifier includes a main pump body 1, a plunger rod 13, a transmission shaft 14, and an eccentric sleeve 15. The main pump body 1 is internally provided with a plunger cavity 11 and a power cavity 12 which are communicated. The plunger rod 13 is reciprocally disposed in the plunger chamber 11 in a linear motion. A drive shaft 14 is rotatably disposed within the power chamber 12 and extends from one end of the drive shaft to the pump body for connection to a power source. The eccentric sleeve 15 is sleeved on the transmission shaft 14 and rotates along with the transmission shaft 14 to drive the plunger rod 13 to move. Therefore, the power source drives the transmission shaft 14 to rotate, the rotation shaft drives the eccentric sleeve 15 to rotate, and then the plunger rod 13 can be driven to reciprocate linearly through the eccentric action of the eccentric sleeve 15, so that the functions of oil absorption, oil pressing and the like of the plunger pump are realized.

The plunger rod 13 in the conventional plunger pump generates a large amount of heat during the reciprocating motion, and may affect the use of the plunger pump when the heat in the plunger chamber 11 cannot be effectively discharged and relieved. As shown in fig. 2, in this embodiment, a heat dissipation channel 2 is disposed in the main pump body 1, and the heat dissipation channel 2 at least partially surrounds the plunger cavity 11; a water passing cavity 3 is arranged above the power cavity 12, and two sides of the water passing cavity 3 are respectively communicated with two ends of the heat dissipation channel 2; the other end of the drive shaft 14 extends into the water chamber 3 and is provided with an impeller 4 for conveying liquid. Wherein, cooling liquid is arranged in the heat dissipation channel 2 and the water passing cavity 3, and some conventional cooling liquid, water flow and the like are introduced. Thereby the impeller 4 is driven to rotate by the original rotation of the transmission shaft 14, and then the liquid in the water passing cavity 3 and the heat dissipation channel 2 is driven, so that the liquid flows, and the cooling effect on the plunger cavity 11 is achieved. Meanwhile, the rotation of the transmission shaft 14 is utilized, which is equivalent to more fully utilizing the redundant kinetic energy of the transmission shaft 14 by the power source, reducing the energy consumption ratio by phase change and having higher power utilization rate to the power source.

Specifically, referring to fig. 1 and 2, a first water passing body 5 is disposed on the main pump body 1, and the first water passing body 5 is located above the power cavity 12; the first water passing body 5 is provided with a second water passing body 6, and the first water passing body 5 is connected with the second water passing body 6 in a sealing way to form a water passing cavity 3. Therefore, the water passing cavity 3 is simpler to form through the design of the two water passing bodies, and meanwhile, the transmission shaft 14 and the impeller 4 are more convenient to install in the water passing cavity 3.

Further, as shown in fig. 2, the first water passing body 5 includes a first water passing groove 51, two sides of which are respectively provided with a water inlet 52 and a water outlet 53, and the water inlet 52 and the water outlet 53 are respectively communicated with two ends of the heat dissipation channel 2. The impeller 4 is provided in the first water passing groove 51, and the structure is simple and effective.

Both the water inlet 52 and the water outlet 53 extend along a tangential direction of the inner wall of the first water passing tank 51. Thereby, the water inlet 52 and the water outlet 53 can be more matched with the direction of the water flow, the impact of the water flow to the first water passing groove 51 is reduced, the water flow can more effectively and stably flow through the water inlet 52 and the water outlet 53, and then more stably enter the heat dissipation channel 2 to flow.

As shown in fig. 2, the first water passing body 5 is provided with a through shaft hole 54, and one end of the transmission shaft 14 extends into the first water passing groove 51 through the through shaft hole 54; wherein, seal bearing 7 is arranged between transmission shaft 14 and the inner wall of shaft hole 54. Thereby ensuring the sealing and the normal rotation of the transmission shaft 14 and the impeller 4 on the transmission shaft 14.

Further, the first water passing body 5 and the second water passing body 6 can be directly welded or detachably connected. Referring to fig. 1 and 2, in this embodiment, the first water passing body 5 and the second water passing body 6 are preferably detachably connected, and further, it may be preferable that the first water passing body 5 and the second water passing body 6 are connected through threads. Therefore, the separation between the first water passing body 5 and the second water passing body 6 can be realized by simple rotation among users, the water passing cavity 3 is simple and quick, and meanwhile, the overhaul of parts in the water passing cavity 3 or the cleaning of the blocking state in the water passing cavity 3 is convenient.

Further, as shown in fig. 2, an upper seal groove 55 is provided on the upper side of the first water passing body 5, a lower seal groove 61 is provided on the lower side of the second water passing body 6, the upper seal groove 55 and the lower seal groove 61 cooperate to form a seal ring groove, and a seal ring 8 is provided in the seal ring groove. Thereby sealing the gap between the first water passing body 5 and the second water passing body 6 and ensuring the normal use of the water passing cavity 3.

Further, the connection mode between the first water passing body 5 and the main pump body 1 can be welding, detachable connection or integrated into one piece, and the like, and in this embodiment, the first water passing body 5 and the main pump body 1 are preferably integrated into one piece, so that the production and processing of the first water passing body 5 and the main pump body 1 can be more convenient and quick while the connection strength between the first water passing body 5 and the main pump body 1 is ensured.

Further, referring to fig. 1 and 2, the main pump body 1 may further be provided with a liquid exchange port 9, where the liquid exchange port 9 is communicated with the heat dissipation channel 2, and the liquid exchange port 9 is provided with a liquid exchange switch 10 for closing or opening the liquid exchange port 9. Thereby facilitating the replacement and replenishment of the liquid in the heat dissipation channel 2.

Further, the heat dissipation channel 2 is spirally wound on the peripheral side of the water passing cavity 3, so that the heat dissipation channel 2 can generate a larger action area for the water passing cavity 3, and the heat dissipation and cooling effects are improved.

Of course, the above is only a typical example of the utility model, and other embodiments of the utility model are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the utility model claimed.

Claims

1. A cooling structure for plunger pump of humidifier includes

The main pump body (1) is internally provided with a plunger cavity (11) and a power cavity (12) which are communicated with each other;

a plunger rod (13) which is provided in the plunger chamber (11) in a reciprocating linear movement;

a transmission shaft (14) which is rotatably arranged in the power cavity (12) and one end of which extends out of the pump body for connecting with a power source;

the eccentric sleeve (15) is sleeved on the transmission shaft (14) and rotates along with the transmission shaft (14) to drive the plunger rod (13) to move;

wherein a heat dissipation channel (2) is arranged in the main pump body (1), and the heat dissipation channel (2) at least partially surrounds the plunger cavity (11); a water passing cavity (3) is arranged above the power cavity (12), and two sides of the water passing cavity (3) are respectively communicated with two ends of the heat dissipation channel (2); the other end of the transmission shaft (14) extends into the water passing cavity (3) and is provided with an impeller (4) for conveying liquid.

2. The cooling structure of a plunger pump for a humidifier according to claim 1, characterized in that: the main pump body (1) is provided with a first water passing body (5), and the first water passing body (5) is positioned above the power cavity (12); the first water passing body (5) is provided with a second water passing body (6), and the first water passing body (5) and the second water passing body (6) are connected in a sealing mode to form the water passing cavity (3).

3. The cooling structure of a plunger pump for a humidifier according to claim 2, characterized in that: the first water passing body (5) comprises a first water passing groove (51), a water inlet (52) and a water outlet (53) are respectively formed in two sides of the water passing groove, and the water inlet (52) and the water outlet (53) are respectively communicated with two ends of the heat dissipation channel (2).

4. The cooling structure of a plunger pump for a humidifier according to claim 3, characterized in that: the water inlet (52) and the water outlet (53) extend along the tangential direction of the inner wall of the water trough.

5. The cooling structure of a plunger pump for a humidifier according to claim 2, characterized in that: a through shaft hole (54) is formed in the first water passing body (5), and one end of the transmission shaft (14) penetrates through the through shaft hole (54) and extends into the first water passing groove (51); wherein, seal bearings (7) are arranged between the transmission shaft (14) and the inner wall of the through shaft hole (54).

6. The cooling structure of a plunger pump for a humidifier according to claim 2, characterized in that: the first water passing body (5) and the second water passing body (6) are detachably connected.

7. The cooling structure of a plunger pump for a humidifier according to claim 6, wherein: the upper side of first water body (5) is provided with seal groove (55), the downside of second water body (6) is provided with seal groove (61), upper seal groove (55) and seal groove (61) cooperate and form seal ring groove down, be provided with sealing washer (8) in the seal ring groove.

8. The cooling structure of a plunger pump for a humidifier according to claim 2, characterized in that: the first water passing body (5) and the main pump body (1) are integrally formed.

9. The cooling structure of a plunger pump for a humidifier according to any one of claims 1 to 8, wherein: a liquid exchange port (9) is formed in the main pump body (1), and the liquid exchange port (9) is communicated with the heat dissipation channel (2); the liquid exchange opening (9) is provided with a liquid exchange switch (10) for closing or opening the liquid exchange opening (9).

10. The cooling structure of a plunger pump for a humidifier according to claim 9, characterized in that: the heat dissipation channel (2) is spirally wound on the periphery of the water passing cavity (3).