CN217481526U

CN217481526U - Double-outlet gear pump

Info

Publication number: CN217481526U
Application number: CN202220949392.6U
Authority: CN
Inventors: 邵星
Original assignee: Wuxi Dongye Machinery Manufacturing Co ltd
Current assignee: Wuxi Dongye Machinery Manufacturing Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-09-23
Anticipated expiration: 2032-04-24

Abstract

The utility model discloses a double-outlet gear pump, which belongs to the gear pump field, and comprises a pump body, wherein a rotating shaft is arranged in the pump body, the rotating shaft is divided into a driving shaft and a driven shaft, a motor is arranged on the driving shaft, gears are fixedly sleeved on the driving shaft and the driven shaft, one sides of the two gears which are close to each other are engaged and connected, one side of the pump body is provided with a water inlet, the other side of the pump body is provided with a water outlet, when the internal pressure of the pump body is smaller or normal, liquid flows out from a lower water outlet pipe, when the diameter of the lower water outlet pipe is reduced, the liquid flow velocity is increased, so that the liquid flow distance is increased, when the internal pressure is larger, the pressure drives a moving cylinder to move to the right, a water flowing port on the moving cylinder is aligned with the upper water outlet pipe, the liquid flows out from the upper water outlet pipe, when the diameter of the upper water outlet pipe is increased, the liquid flow velocity is reduced, thereby reducing wear of the mechanical parts.

Description

Double-outlet gear pump

Technical Field

The utility model belongs to the technical field of the gear pump, concretely relates to two export gear pump.

Background

The pump is a machine for conveying fluid or pressurizing fluid, and can transfer the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used for conveying liquid, such as water, oil, acid-base solution, emulsion, suspoemulsion and liquid metal, etc., and can also be used for conveying liquid, gas mixture and liquid containing suspended solid matter.

The gear pump is at the working process, and when internal pressure was too big, the liquid velocity of flow was great for liquid impact ability increases, causes serious wear to machinery easily after long-term the use, thereby influences the life of gear pump, and when internal pressure was too little, the liquid velocity of flow was less, makes pump body liquid flow slow, thereby leads to liquid can't carry work area.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two export gear pump to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a two export gear pumps, includes the pump body, the internally mounted of the pump body has the rotation axis, the rotation axis divide into driving shaft and driven shaft, install the motor on the driving shaft, all fixed cup joints gear, two on driving shaft and the driven shaft one side meshing that the gear is close to each other is connected, the water inlet has been seted up to one side of the pump body, the delivery port has been seted up to the opposite side of the pump body, the inside of delivery port is provided with the valve component, the inside fixed cup joint of the pump body has the outlet pipe, one side fixedly connected with coupling assembling that the pump body is close to the delivery port, the one end that the delivery port was kept away from to the outlet pipe is connected with the inlet tube through coupling assembling, the valve component is including moving a section of thick bamboo and spring, the both ends of spring respectively with the pump body and move one side fixed connection that a section of thick bamboo is close to each other.

As a preferred embodiment, the movable cylinder is transversely connected in the water outlet in a sliding manner, and the upper side and the lower side of the movable cylinder are both provided with water flowing ports.

As a preferred embodiment, the water outlet pipe is divided into a first water outlet pipe and a second water outlet pipe, the second water outlet pipe and the first water outlet pipe are respectively located at the upper side and the lower side of the water outlet, and the first water outlet pipe and the second water outlet pipe are arranged in a staggered mode.

As a preferred embodiment, the diameter value of one end, far away from the water outlet, of the first water outlet pipe is smaller than that of one end, close to the water outlet, of the first water outlet pipe, and the diameter value of one end, far away from the water outlet, of the second water outlet pipe is larger than that of one end, close to the water outlet, of the second water outlet pipe.

As a preferred embodiment, coupling assembling includes a connecting block, sealing washer, No. two connecting blocks and bolt, fixed connection between a connecting block and the pump body, the sealing washer sets up between a connecting block and No. two connecting blocks, a connecting block is connected with No. two connecting blocks through the bolt, fixed cup jointing between a connecting block and the outlet pipe, fixed cup jointing between No. two connecting blocks and the inlet tube.

As a preferred embodiment, one end of the water outlet pipe is in contact with one end of the water inlet pipe, and the sealing ring is sleeved at one end of the water outlet pipe, which is close to the water inlet pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

this two export gear pump, when pump body internal pressure is less or normal, liquid flows from the below outlet pipe, and when the mouth of pipe footpath of below outlet pipe diminishes, the liquid velocity of flow increases to improve liquid flow distance, when internal pressure is great, pressure drive removes a section of thick bamboo and moves to the right, makes the discharge orifice on the removal section of thick bamboo align with the top outlet pipe mouth of pipe, lets liquid follow top outlet pipe outflow, during the grow of top outlet pipe bore, lets the liquid velocity of flow descend, thereby reduces mechanical parts's wearing and tearing.

Drawings

FIG. 1 is a cross-sectional view of a dual outlet gear pump at low pressure;

FIG. 2 is a cross-sectional view of a dual outlet gear pump at high pressure;

fig. 3 is a perspective cross-sectional view of a shift cylinder in a dual outlet gear pump.

In the figure: 10. a pump body; 11. a rotating shaft; 12. a gear; 13. a water inlet; 14. a water outlet; 15. a valve assembly; 16. a water outlet pipe; 17. a connection assembly; 18. a water inlet pipe; 19. a motor; 111. a drive shaft; 112. a driven shaft; 151. moving the drum; 152. a spring; 161. a first water outlet pipe; 162. a second water outlet pipe; 171. a first connecting block; 172. a seal ring; 173. a second connecting block; 174. a bolt; 1511. and (4) a water flowing port.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-3, the present invention provides a dual-outlet gear pump, including a pump body 10, a rotating shaft 11 is installed inside the pump body 10, the rotating shaft 11 is divided into a driving shaft 111 and a driven shaft 112, a motor 19 is installed on the driving shaft 111, gears 12 are fixedly sleeved on both the driving shaft 111 and the driven shaft 112, one sides of the two gears 12 close to each other are meshed and connected, one side of the pump body 10 is opened with a water inlet 13, the other side of the pump body 10 is opened with a water outlet 14, a valve assembly 15 is installed inside the water outlet 14, a water outlet pipe 16 is fixedly sleeved inside the pump body 10, one side of the pump body 10 close to the water outlet 14 is fixedly connected with a connecting assembly 17, one end of the water outlet pipe 16 far away from the water outlet 14 is connected with a water inlet pipe 18 through the connecting assembly 17, the valve assembly 15 includes a movable cylinder 151 and a spring 152, two ends of the spring 152 are fixedly connected with one side of the inner wall of the pump body 10 and one side of the movable cylinder 151 close to each other, when the internal pressure of the pump body 10 is small, the movable cylinder 151 does not move, the spring 152 is in an original state, liquid flows out from the lower water outlet pipe 16, when the pressure is normal, partial pressure acts on the movable cylinder 151 to push the movable cylinder 151 to slightly move to the right, at the moment, the liquid flows out from the lower water outlet pipe 16, when the caliber of the lower water outlet pipe 16 is reduced, the volume of a circulation space is reduced, the flow rate of the liquid is increased, so that the liquid flowing distance is increased, when the internal pressure is large, the pressure drives the movable cylinder 151 to move to the right, so that a water flowing port 1511 on the movable cylinder 151 is aligned with the orifice of the upper water outlet pipe 16, the liquid flows out from the upper water outlet pipe 16, when the caliber of the upper water outlet pipe 16 is increased, the volume of the circulation space is increased, the flow rate of the liquid is reduced, and the abrasion of mechanical parts is reduced.

The movable cylinder 151 is transversely connected in the water outlet 14 in a sliding manner, the upper side and the lower side of the movable cylinder 151 are respectively provided with a water flowing port 1511, the distance between the two water flowing ports 1511 is larger than the diameter value of the pipe orifice of the water outlet pipe 16, the movable cylinder 151 moves along with the difference of the internal pressure of the pump body 10, and liquid flows out of the different water flowing ports 1511, so that the liquid at different flow rates is shunted.

The water outlet pipe 16 is divided into a first water outlet pipe 161 and a second water outlet pipe 162, the second water outlet pipe 162 and the first water outlet pipe 161 are respectively located at the upper side and the lower side of the water outlet 14, the first water outlet pipe 161 and the second water outlet pipe 162 are arranged in a staggered manner, when the pressure is low and normal, the water flow port 1511 below the moving cylinder 151 is communicated with the first water outlet pipe 161 at the beginning, the water flow port 1511 above is blocked by the inner wall of the pump body 10, when the pressure is high, the moving cylinder 151 moves to the right, the water flow port 1511 below is blocked by the inner wall of the pump body 10, and the water flow port 1511 above is communicated with the second water outlet pipe 162.

Wherein, the diameter value that outlet pipe 161 kept away from delivery port 14 one end is less than the diameter value that outlet pipe 161 was close to delivery port 14 one end for one number, and the diameter value that outlet pipe 162 was kept away from delivery port 14 one end is greater than the diameter value that outlet pipe 162 was close to delivery port 14 one end for two numbers, and outlet pipe 161 pipeline is by thick to thin, lets liquid can be by slowly becoming fast, and outlet pipe 162 pipeline is by thin to thick, lets liquid can be by fast becoming slow.

Wherein, the connecting component 17 comprises a first connecting block 171, a sealing ring 172, a second connecting block 173 and a bolt 174, the first connecting block 171 is fixedly connected with the pump body 10, the sealing ring 172 is arranged between the first connecting block 171 and the second connecting block 173, the first connecting block 171 is connected with the second connecting block 173 through the bolt 174, the first connecting block 171 is fixedly sleeved with the water outlet pipe 16, the second connecting block 173 is fixedly sleeved with the water inlet pipe 18, one end of the water outlet pipe 16 is contacted with one end of the water inlet pipe 18, the other end of the water inlet pipe 18 is connected with the working area, the sealing ring 172 is sleeved at one end of the water outlet pipe 16, which is close to the water inlet pipe 18, two corresponding water inlet pipes 18 are respectively aligned with the first water outlet pipe 161 and the second water outlet pipe 162, the sealing ring 172 is arranged between the first connecting block 171 and the second connecting block 173, the sealing ring 172 is sleeved at the position where the first connecting block 171 is contacted with the second connecting block 173, the bolt 174 is rotated to fixedly connect the first connecting block 171 and the second connecting block 173, thereby allowing the fluid to enter the working area through the inlet pipe 18.

The utility model discloses a theory of operation and use flow: the sealing ring 172 is placed between the first connecting block 171 and the second connecting block 173, the sealing ring 172 is sleeved at a position where the first connecting block 171 is contacted with the second connecting block 173, the bolt 174 is rotated to fixedly connect the first connecting block 171 and the second connecting block 173, when the internal pressure of the pump body 10 is small or normal, liquid enters the first water outlet pipe 161 through the water flowing port 1511 below the moving cylinder 151, when the caliber of the first water outlet pipe 161 is reduced, the liquid flowing speed is increased, so that the liquid flowing distance is increased, when the internal pressure is large, the pressure drives the moving cylinder 151 to move to the right, so that the water flowing port 1511 above the moving cylinder 151 is aligned with the pipe orifice 162 of the second water outlet pipe, so that the liquid enters the second water outlet pipe 162, when the caliber of the second water outlet pipe 162 is increased, the liquid flowing speed is reduced, so that the liquid impact force is reduced, and the abrasion of mechanical parts is reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A double outlet gear pump comprising a pump body (10), characterized in that: the pump comprises a pump body (10), wherein a rotating shaft (11) is arranged inside the pump body (10), the rotating shaft (11) is divided into a driving shaft (111) and a driven shaft (112), a motor (19) is installed on the driving shaft (111), gears (12) are fixedly sleeved on the driving shaft (111) and the driven shaft (112), two gears (12) are meshed and connected with one side close to each other, a water inlet (13) is formed in one side of the pump body (10), a water outlet (14) is formed in the other side of the pump body (10), a valve component (15) is arranged inside the water outlet (14), a water outlet pipe (16) is fixedly sleeved inside the pump body (10), a connecting component (17) is fixedly connected to one side, close to the water outlet (14), of the water outlet pipe (16) far away from the water outlet (14) is connected with a water inlet pipe (18) through the connecting component (17), the valve component (15) comprises a movable cylinder (151) and a spring (152), and two ends of the spring (152) are fixedly connected with one side, close to each other, of the pump body (10) and the movable cylinder (151) respectively.

2. The dual outlet gear pump of claim 1, wherein: the movable cylinder (151) is transversely connected into the water outlet (14) in a sliding mode, and the upper side and the lower side of the movable cylinder (151) are provided with water flowing ports (1511).

3. The dual outlet gear pump of claim 1, wherein: the water outlet pipe (16) is divided into a first water outlet pipe (161) and a second water outlet pipe (162), the second water outlet pipe (162) and the first water outlet pipe (161) are respectively located on the upper side and the lower side of the water outlet (14), and the first water outlet pipe (161) and the second water outlet pipe (162) are arranged in a staggered mode.

4. A dual outlet gear pump according to claim 3, wherein: no. one diameter value that delivery port (14) one end was kept away from to outlet pipe (161) is less than the diameter value that No. one outlet pipe (161) is close to delivery port (14) one end, No. two diameter values that outlet pipe (162) one end was kept away from delivery port (14) one end are greater than the diameter value that No. two outlet pipe (162) are close to delivery port (14) one end.

5. The dual outlet gear pump of claim 1, wherein: connecting assembling (17) include connecting block (171), sealing washer (172), No. two connecting blocks (173) and bolt (174), fixed connection between a connecting block (171) and the pump body (10), sealing washer (172) set up between a connecting block (171) and No. two connecting blocks (173), a connecting block (171) is connected with No. two connecting blocks (173) through bolt (174), fixed cup jointing between a connecting block (171) and outlet pipe (16), fixed cup jointing between No. two connecting blocks (173) and inlet pipe (18).

6. The dual outlet gear pump of claim 5, wherein: one end of the water outlet pipe (16) is in contact with one end of the water inlet pipe (18), and the sealing ring (172) is sleeved at one end, close to each other, of the water outlet pipe (16) and the water inlet pipe (18).