CN215633754U

CN215633754U - Evacuation structure of hydraulic gear pump

Info

Publication number: CN215633754U
Application number: CN202122194215.XU
Authority: CN
Inventors: 潘继先
Original assignee: Huai'an Xianda Hydraulic Technology Co ltd
Current assignee: Huai'an Xianda Hydraulic Technology Co ltd
Priority date: 2021-09-11
Filing date: 2021-09-11
Publication date: 2022-01-25
Anticipated expiration: 2031-09-11

Abstract

The utility model relates to the technical field of hydraulic gear pumps, and discloses an emptying structure of a hydraulic gear pump, which solves the problem that oil is easily polluted by the hydraulic gear pump during air exhaust to cause resource waste and comprises a hydraulic gear pump body, wherein both sides of the hydraulic gear pump body are respectively connected with a first connecting pipe and a second connecting pipe, one end of the first connecting pipe is connected with an emptying pipe body, the other side of the hydraulic gear pump body is provided with a driving shaft, the bottom end of the emptying pipe body is connected with an oil suction pipe, the top end of the emptying pipe body is provided with a sealing cover, the middle position of the top end of the sealing cover is provided with an air hole, and a filter screen is arranged inside the air hole; through being provided with hydraulic gear pump body, connecting pipe one, connecting pipe two, drive shaft, evacuation body, inhale oil pipe, sealed lid, adjusting button, gas pocket, filter screen, first fixed plate, blow vent and sealing mechanism, be convenient for make the evacuation body carry out the exhaust operation to fluid, can carry out effective separation to debris, realize the protection to fluid.

Description

Evacuation structure of hydraulic gear pump

Technical Field

The utility model belongs to the technical field of hydraulic gear pumps, and particularly relates to an emptying structure of a hydraulic gear pump.

Background

The hydraulic gear pump is a rotary pump which is used for conveying liquid or pressurizing the liquid by means of the change and movement of working volume formed between a pump cylinder and a meshing gear, and two closed spaces are formed by two gears, a pump body and front and rear covers.

The air escape that the hydraulic gear pump need often sneak into in the oil absorption pipe, and current hydraulic gear pump need dismantle big oil absorption mouth joint, and when great oil absorption mouth joint was opened in the field, can make external debris get into fluid, causes fluid pollution, easily leads to equipment failure, and then causes the wasting of resources.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides an emptying structure of a hydraulic gear pump, which effectively solves the problem that in the background art, oil is easily polluted when the hydraulic gear pump exhausts, so that resources are wasted.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an evacuation structure of hydraulic gear pump, including the hydraulic gear pump body, the both sides of hydraulic gear pump body are connected with connecting pipe one and connecting pipe two respectively, the one end of connecting pipe one is connected with the evacuation body, the opposite side of hydraulic gear pump body is equipped with the drive shaft, the bottom and the oil absorption union coupling of evacuation body, the top of evacuation body is equipped with sealed lid, the top intermediate position of sealed lid is seted up there is the gas pocket, the inside of gas pocket is equipped with the filter screen, one side that connecting pipe one was kept away from to the evacuation body is equipped with the adjusting button, one side of evacuation body is equipped with the fastening device who is connected with the adjusting button, the one end of adjusting button is equipped with the sealing device who is connected with the gas pocket.

Preferably, the sealing cover is in threaded connection with the emptying pipe body, a first fixing plate is arranged inside the sealing cover, and a vent communicated with the air hole is formed inside the first fixing plate.

Preferably, sealing mechanism includes sealing plug, altitude mixture control pole, slide bar, spout, thread piece, an internal thread section of thick bamboo and driver, sealing plug and blow vent joint, and the bottom of sealing plug is equipped with the altitude mixture control pole, and one side of altitude mixture control pole is equipped with the slide bar, and the spout with slide bar sliding connection is seted up to the inner wall of evacuation body, and the bottom of altitude mixture control pole is equipped with the thread piece, and the external connection of thread piece has an internal thread section of thick bamboo, and an internal thread section of thick bamboo passes through the driver and is connected with the adjusting button.

Preferably, the top end of the height adjusting rod is sleeved with a sealing baffle plate positioned below the sealing plug, and the diameter of the sealing baffle plate is five centimeters longer than the length of the bottom end of the vent hole.

Preferably, the driver includes conical gear one, conical gear two, axis of rotation, mount and screw hole, and the conical gear one set is located the outside of an internal thread section of thick bamboo, and one side intermediate position of adjusting knob is connected with the axis of rotation, and the one end of axis of rotation is equipped with the conical gear two of being connected with the meshing of conical gear one, and the outside of axis of rotation is passed through the mount and is connected with the inner wall of evacuation body, and the screw hole has been seted up to the outer wall equidistance of adjusting knob.

Preferably, the fastening mechanism comprises a second fixing plate, an inserted link and a threaded section, the second fixing plate is installed on one side of the emptying pipe body, the inserted link penetrates through the second fixing plate, the inserted link is of an inverted T-shaped structure, and the threaded section connected with the threaded hole is arranged at the top end of the inserted link.

Preferably, the side surfaces of the vent hole and the sealing plug are both of isosceles trapezoid structures, and the distance between the two threaded holes is one centimeter.

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

(1) during work, the hydraulic gear pump body, the first connecting pipe, the second connecting pipe, the driving shaft, the emptying pipe body, the oil suction pipe, the sealing cover, the adjusting button, the air hole, the filter screen, the first fixing plate, the air vent and the sealing mechanism are arranged, so that the emptying pipe body can exhaust oil conveniently, sundries can be effectively blocked, the oil can be protected, and the service life of the hydraulic gear pump body can be prolonged;

(2) through the design of second fixed plate, inserted bar and screw thread section, the effectual installation stability who improves the sealing plug, and then brings the convenience for the exhaust operation of evacuation body.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a second schematic structural diagram of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view of the utility model at B of FIG. 1;

in the figure: 1. a hydraulic gear pump body; 2. a first connecting pipe; 3. a second connecting pipe; 4. a drive shaft; 5. evacuating the tube body; 6. an oil suction pipe; 7. a sealing cover; 8. an adjusting knob; 9. air holes; 10. filtering with a screen; 11. a first fixing plate; 12. a vent; 13. a sealing plug; 14. sealing the baffle; 15. a height adjustment lever; 16. a slide bar; 17. a chute; 18. a thread block; 19. an internal threaded barrel; 20. a first conical gear; 21. a second bevel gear; 22. a rotating shaft; 23. a threaded hole; 24. a second fixing plate; 25. inserting a rod; 26. a threaded segment.

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 a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 4, the hydraulic gear pump comprises a hydraulic gear pump body 1, two sides of the hydraulic gear pump body 1 are respectively connected with a first connecting pipe 2 and a second connecting pipe 3, one end of the first connecting pipe 2 is connected with an evacuation pipe body 5, through the design of the evacuation pipe body 5, the gas in an oil suction pipe 6 can be conveniently discharged, the other side of the hydraulic gear pump body 1 is provided with a driving shaft 4, the bottom end of the evacuation pipe body 5 is connected with the oil suction pipe 6, the top end of the evacuation pipe body 5 is provided with a sealing cover 7, the middle position of the top end of the sealing cover 7 is provided with an air hole 9, a filter screen 10 is arranged inside the air hole 9, through the design of the filter screen 10, impurities can be reduced to enter the evacuation pipe body 5, the protection of oil can be realized, one side of the evacuation pipe body 5, which is far away from the first connecting pipe 2, is provided with a regulating button 8, one side of the evacuation pipe body 5 is provided with a fastening mechanism connected with the regulating button 8, through fastening device's design, can realize the fastening to adjustment knob 8, and then for sealing mechanism has improved job stabilization nature, the one end of adjustment knob 8 is equipped with the sealing mechanism who is connected with gas pocket 9, through sealing mechanism's design, can realize the sealed of gas pocket 9 and open, conveniently realizes the discharge of 5 inside gases of evacuation body.

In the second embodiment, on the basis of the first embodiment, as shown in fig. 1 to 3, the sealing cover 7 is connected to the evacuation tube 5 by a screw thread, the first fixing plate 11 is disposed inside the sealing cover 7, the first fixing plate 11 is provided with a vent 12 communicating with the air hole 9, and the sealing effect of the air hole 9 can be enhanced by the design of the vent 12.

Third embodiment, based on the first embodiment, as shown in fig. 1, 2 and 3, the sealing mechanism includes a sealing plug 13, a height adjusting rod 15, a sliding rod 16, a sliding groove 17, a thread block 18, an internal thread cylinder 19 and a driver, the sealing plug 13 is connected to the vent 12 in a snap-fit manner, the bottom end of the sealing plug 13 is provided with the height adjusting rod 15, one side of the height adjusting rod 15 is provided with the sliding rod 16, the inner wall of the evacuation tube body 5 is provided with the sliding groove 17 slidably connected to the sliding rod 16, the bottom end of the height adjusting rod 15 is provided with the thread block 18, the external of the thread block 18 is connected to the internal thread cylinder 19, the internal thread cylinder 19 is connected to the adjusting knob 8 through the driver, the driver includes a first conical gear 20, a second conical gear 21, a rotating shaft 22, a fixing frame and a threaded hole 23, the first conical gear 20 is sleeved on the external of the internal thread cylinder 19, the middle position of one side of the adjusting knob 8 is connected to the rotating shaft 22, one end of the conical gear 21 engaged with the first conical gear 20, the outside of the rotating shaft 22 is connected with the inner wall of the evacuation tube body 5 through a fixing frame, threaded holes 23 are formed in the outer wall of the adjusting button 8 at equal intervals, the distance between the two threaded holes 23 is one centimeter, a worker rotates the adjusting button 8 to enable the adjusting button 8 to drive the rotating shaft 22 to rotate, the rotating shaft 22 drives the conical gear II 21 to rotate, the conical gear II 21 is connected with the conical gear I20 to realize the rotation of the internal thread cylinder 19, the threaded block 18 can drive the height adjusting rod 15 to move upwards through the connection relation between the threaded block 18 and the internal thread cylinder 19 and the sliding relation between the sliding rod 16 and the sliding groove 17, the height adjusting rod 15 drives the sealing plug 13 to seal the vent hole 12, the sealing effect on gas is effectively improved through the isosceles trapezoid structural design of the vent hole 12 and the sealing plug 13, when the gas hole 9 needs to be opened, the adjusting button 8 is rotated reversely, make height-adjusting rod 15 drive sealing plug 13 and move down, and then make blow vent 12 and sealing plug 13 break away from the connection, because oil liquid atmospheric pressure is great in evacuation body 5, realize the exhaust operation through gas pocket 9, simultaneously through the detachable design of evacuation body 5 with sealed lid 7, be convenient for bring the convenience for the maintenance and the change of evacuation body 5 internal component, and then realize resource protection.

In the fourth embodiment, on the basis of the third embodiment, as shown in fig. 1 to 3, the sealing baffle 14 located below the sealing plug 13 is sleeved at the top end of the height adjusting rod 15, and the diameter of the sealing baffle 14 is five centimeters longer than the length of the bottom end of the vent 12, so that the sealing effect of the sealing plug 13 on the vent 12 is effectively improved through the design of the sealing baffle 14.

In a fifth embodiment, based on the first embodiment, as shown in fig. 1, 2 and 4, the fastening mechanism includes a second fixing plate 24, an insert rod 25 and a threaded section 26, the second fixing plate 24 is installed at one side of the evacuation pipe body 5, the insert rod 25 is inserted into the second fixing plate 24, the insert rod 25 is in an inverted T-shaped structure, the threaded section 26 connected to the threaded hole 23 is disposed at the top end of the insert rod 25, when the position of the adjusting knob 8 is adjusted, the insert rod 25 is then inserted into the second fixing plate 24, and the top end of the insert rod 25 extends into the threaded hole 23, and then the insert rod 25 is rotated to fix the threaded section 26 and the threaded hole 23, so that the adjusting knob 8 can be fastened, and the stability of the position adjustment of the sealing plug 13 is effectively improved.

The working principle is as follows: when the air-bleed valve works, when the oil in the oil suction pipe 6 does not need to be bled, firstly, the adjusting button 8 is rotated, the adjusting button 8 drives the rotating shaft 22 to rotate, the rotating shaft 22 drives the conical gear II 21 to rotate, the rotation of the internal thread cylinder 19 can be realized through the connection relation between the conical gear II 21 and the conical gear I20, further, through the connection relation between the thread block 18 and the internal thread cylinder 19 and the sliding relation between the matched sliding rod 16 and the sliding groove 17, the thread block 18 can drive the height adjusting rod 15 to move upwards, further, the height adjusting rod 15 drives the sealing plug 13 to seal the vent hole 12, the sealing baffle plate 14 is positioned at the bottom end of the first fixing plate 11, and the isosceles trapezoid structure design of the vent hole 12 and the sealing plug 13 is matched, the sealing effect is effectively improved, the sealing effect on gas is effectively increased, when the oil in the oil suction pipe 6 needs to be bled, fluid gets into evacuation body 5 after, staff's counter-rotation adjusting knob 8, make altitude mixture control pole 15 drive sealing plug 13 and move down, and then make blow vent 12 and sealing plug 13 break away from the connection, because oil liquid atmospheric pressure is great in evacuation body 5, and then can realize the exhaust operation through gas pocket 9, after adjusting knob 8 position control is accomplished, insert inserted bar 25 on second fixed plate 24 after that, and make inserted bar 25 top extend to in the screw hole 23, rotatory inserted bar 25 after that, make screw thread section 26 and screw hole 23 fix, and then can realize adjusting knob 8's fastening, effectual position control for sealing plug 13 has improved stability, simultaneously through evacuation body 5 and the detachable design of sealed lid 7, be convenient for bring the convenience for the maintenance and the change of evacuation body 5 internal elements, and then realize resource protection.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides an evacuation structure of hydraulic gear pump, includes hydraulic gear pump body (1), its characterized in that: the hydraulic gear pump comprises a hydraulic gear pump body (1), wherein two sides of the hydraulic gear pump body (1) are respectively connected with a first connecting pipe (2) and a second connecting pipe (3), one end of the first connecting pipe (2) is connected with an emptying pipe body (5), the other side of the hydraulic gear pump body (1) is provided with a driving shaft (4), the bottom end of the emptying pipe body (5) is connected with an oil suction pipe (6), the top end of the emptying pipe body (5) is provided with a sealing cover (7), an air hole (9) is formed in the middle position of the top end of the sealing cover (7), a filter screen (10) is arranged inside the air hole (9), one side, away from the first connecting pipe (2), of the emptying pipe body (5) is provided with an adjusting button (8), one side of the emptying pipe body (5) is provided with a fastening mechanism connected with the adjusting button (8), and one end of the adjusting button (8) is provided with a sealing mechanism connected with the air hole (9).

2. The evacuation structure of a hydraulic gear pump according to claim 1, wherein: the sealing cover (7) is in threaded connection with the emptying pipe body (5), a first fixing plate (11) is arranged inside the sealing cover (7), and a vent hole (12) communicated with the air hole (9) is formed inside the first fixing plate (11).

3. The evacuation structure of a hydraulic gear pump according to claim 1, wherein: sealing mechanism includes sealing plug (13), altitude mixture control pole (15), slide bar (16), spout (17), screw block (18), an internal thread section of thick bamboo (19) and driver, sealing plug (13) and blow vent (12) joint, the bottom of sealing plug (13) is equipped with altitude mixture control pole (15), one side of altitude mixture control pole (15) is equipped with slide bar (16), spout (17) with slide bar (16) sliding connection are seted up to the inner wall of evacuation body (5), the bottom of altitude mixture control pole (15) is equipped with screw block (18), the external connection of screw block (18) has an internal thread section of thick bamboo (19), internal thread section of thick bamboo (19) are connected with adjust button (8) through the driver.

4. The evacuation structure of a hydraulic gear pump according to claim 3, wherein: the top end of the height adjusting rod (15) is sleeved with a sealing baffle (14) positioned below the sealing plug (13), and the diameter of the sealing baffle (14) is five centimeters longer than the length of the bottom end of the vent hole (12).

5. The evacuation structure of a hydraulic gear pump according to claim 3, wherein: the driver includes conical gear (20), conical gear two (21), axis of rotation (22), mount and screw hole (23), the outside of an internal thread section of thick bamboo (19) is located to conical gear (20) cover, one side intermediate position of adjusting knob (8) is connected with axis of rotation (22), the one end of axis of rotation (22) is equipped with conical gear two (21) of being connected with conical gear (20) meshing, the outside of axis of rotation (22) is passed through the mount and is connected with the inner wall of evacuation body (5), screw hole (23) have been seted up to the outer wall equidistance of adjusting knob (8).

6. The evacuation structure of a hydraulic gear pump according to claim 1, wherein: the fastening mechanism comprises a second fixing plate (24), an insert rod (25) and a threaded section (26), the second fixing plate (24) is installed on one side of the emptying pipe body (5), the insert rod (25) penetrates through the second fixing plate (24), the insert rod (25) is of an inverted T-shaped structure, and the threaded section (26) connected with the threaded hole (23) is arranged at the top end of the insert rod (25).

7. The evacuation structure of a hydraulic gear pump according to claim 2, wherein: the side surfaces of the vent hole (12) and the sealing plug (13) are both of isosceles trapezoid structures, and the distance between the two threaded holes (23) is one centimeter.