CN216198734U - Natural gas liquid feeding pump with prevent leaking device - Google Patents

Abstract

The utility model discloses a natural gas liquid adding pump with a leakage-proof device, which relates to the technical field of liquid pumps and comprises a bottom plate, a clamping groove and a connecting plate, wherein the clamping groove is arranged in the bottom plate and used for clamping a first connecting column, the connecting plate is matched with the first connecting column, the upper surface of the connecting plate is fixedly connected with a clamping ring, and the upper end of the clamping ring is movably connected with a movable ring. According to the utility model, the first connecting column can be clamped through the clamping groove formed in the bottom plate, the movable column is pulled downwards through the spring so as to extrude the limiting bead, so that the first connecting column is matched, the quick connection between the connecting plate and the bottom plate is realized, the movable column can be pulled upwards after the elastic force of the spring is overcome by pulling the movable ring upwards, the limiting bead is relieved through the slope at the bottom end of the movable column, the movable column can move in the moving groove, so that the limiting bead is disconnected with the first connecting column, the first connecting column can be pulled out, and the quick disassembly of the connecting plate and the bottom plate is realized.

Description

Natural gas liquid feeding pump with prevent leaking device

Technical Field

The utility model relates to the technical field of liquid pumps, in particular to a natural gas liquid adding pump with a leakage-proof device.

Background

After the natural gas is purified, the natural gas is deeply cooled to minus 162 ℃ under normal pressure and is changed into liquid from gas state, the natural gas is called liquefied natural gas, an immersed pump is mostly adopted by the existing natural gas liquid adding pump pry, the application range of the existing natural gas liquid adding pump pry is narrow due to structural limitation, and natural gas leakage is easily caused and is dangerous.

In chinese utility model patent application no: CN201520948165.1 discloses a natural gas liquid feeding pump, which comprises a pump casing, wherein a pump cavity is arranged in the pump casing, and a liquid inlet pipe communicated with the pump cavity is arranged on the pump casing; a piston is arranged in the pump cavity, and a pull rod extends into the pump cavity from the upper part and is used for pulling the piston; a liquid inlet valve is arranged in the piston, and the upper end of the piston is constructed into a liquid inlet for liquid inlet of the liquid inlet valve; the liquid inlet valve comprises a liquid inlet baffle plate, a liquid inlet flow channel is arranged on the liquid inlet baffle plate, the liquid inlet flow channel penetrates through a liquid inlet valve core from bottom to top, and a first spring for upwards abutting against the liquid inlet valve core is arranged at the protruding part of the liquid inlet valve core; the bottom of the pump cavity is provided with a liquid outlet valve, the liquid outlet valve comprises a liquid outlet valve seat, a liquid outlet valve core is arranged in the liquid outlet valve seat, and the liquid outlet valve core is pressed on a communication port between the liquid outlet valve seat and the bottom of the pump cavity through a second spring. This natural gas liquid feeding pump still has the equipment dismouting of not being convenient for in the use, when the maintenance degree of difficulty is great when needing the maintenance to and the leakproofness is not good with the efficiency of liquid feeding pump output, and the shortcoming that availability factor is not high.

Therefore, there is a need for a natural gas filling pump with a leak prevention device that solves the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to: the utility model provides a natural gas liquid adding pump with a leakage-proof device, aiming at solving the problems that the existing natural gas liquid adding pump has the defects that the equipment is inconvenient to assemble and disassemble and the maintenance difficulty is high when the equipment needs to be maintained, and the problems of poor sealing performance, poor liquid adding pump output efficiency and low use efficiency.

(II) technical scheme

The utility model specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a natural gas liquid feeding pump with prevent leaking device, including bottom plate and the inside draw-in groove that is used for the first spliced pole of joint of bottom plate and the connecting plate with first spliced pole looks adaptation, the last fixed surface of connecting plate is connected with the snap ring, the upper end swing joint of snap ring has the loose loop, the activity groove has been seted up to the bottom of loose loop, the shifting chute has been seted up to one side in activity groove, the spring groove has been seted up to the bottom in activity groove, the inside swing joint in activity groove has the movable column, the bottom fixedly connected with spring of activity column, the inside in shifting chute is equipped with spacing pearl, the last fixed surface of connecting plate installs the motor.

Furthermore, the end part of an output shaft of the motor (13) is fixedly connected with a first synchronous belt pulley (14), the upper surface of a bottom plate on one side of the motor (13) is symmetrically and fixedly connected with support plates, a crankshaft is movably connected between the two support plates, one end of the crankshaft penetrates through the support plates and is fixedly connected with a second synchronous belt pulley, the second synchronous belt pulley and the first synchronous belt pulley are in transmission connection through a synchronous belt, and two ends of the synchronous belt are respectively matched with the first synchronous belt pulley and the second synchronous belt pulley.

Further, one side swing joint of bent axle has the connecting rod, the other end swing joint of connecting rod has the slider, one side swing joint of slider has the support, the spout has been seted up to one side of support, slider and spout looks adaptation.

Further, the other end fixedly connected with second spliced pole of slider, the other end fixedly connected with piston rod of second spliced pole, the other end of piston rod runs through and swing joint has the pump case, one side fixedly connected with first sealing ring of pump case.

Further, a first fixed plate is fixedly connected to one side of the inside of the pump box, a first feeding hole is formed in the first fixed plate, a second sealing ring is fixedly connected to the middle of the first fixed plate, and a first sealing sheet is fixedly connected to one side of the first fixed plate.

Further, the inside symmetry swing joint of pump box has the fly leaf, two fixedly connected with pillar between the fly leaf, the relief hole has been seted up to the inside of fly leaf, one side fixedly connected with second gasket of fly leaf.

Further, the other side of the inside of the pump box is fixedly connected with a second fixing plate, a second feeding hole is formed in the second fixing plate, and a third sealing sheet is fixedly connected to one side of the second fixing plate.

Further, the top fixedly connected with inlet pipe of pump case, the bottom fixedly connected with discharging pipe of pump case.

(III) advantageous effects

The utility model has the following beneficial effects:

1. according to the utility model, the first connecting column can be clamped through the clamping groove formed in the bottom plate, the movable column is pulled downwards through the spring so as to extrude the limiting bead, so that the first connecting column is matched, the quick connection between the connecting plate and the bottom plate is realized, the movable column can be pulled upwards after the elastic force of the spring is overcome by pulling the movable ring upwards, the limiting bead is relieved through the slope at the bottom end of the movable column, the movable column can move in the moving groove, so that the limiting bead is disconnected with the first connecting column, the first connecting column can be pulled out, and the quick disassembly of the connecting plate and the bottom plate is realized.

2. According to the utility model, the first gear is driven to rotate by the motor, the second gear can be driven to rotate by the synchronous belt matched with the first gear, so that the crankshaft can be driven to rotate, the crankshaft can be supported by the two support plates, the connecting rod can be driven to swing by the rotation of the crankshaft, so that the sliding block can be driven to drive the second connecting column to slide in a sliding groove on one side of the support in a reciprocating manner, and the conversion of a power output mode can be realized, thereby facilitating the work of the liquid pump.

3. According to the utility model, the second connecting column is fixedly connected with the piston rod, so that the piston rod can be driven to reciprocate left and right, and thus the two movable plates can be driven to move left and right in the pump box, the discharge holes formed in the two movable plates and the plurality of second sealing sheets fixedly connected with the adjacent surfaces are matched with the first fixing plate fixedly connected with the first sealing sheet on one side of the first feeding hole and the second fixing plate fixedly connected with the third sealing sheet on one side of the second feeding hole respectively, so that the pumping-out function of the pump box can be realized when the piston rod drives the two movable plates to reciprocate left and right, and the sealing gasket fixedly connected with one sides of the two movable plates, the first sealing ring and the second sealing ring can enhance the sealing performance of the pump box, prevent the leakage of the pump box and are safer.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a schematic view, partially in section, of the structure of the present invention;

FIG. 3 is a schematic front cross-sectional view of the structure of the present invention;

FIG. 4 is an enlarged view of the structure of region A in FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 3 in accordance with the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 5 in accordance with the present invention;

FIG. 7 is an enlarged view of the structure of region D in FIG. 2 according to the present invention;

FIG. 8 is an enlarged view of the structure of region E in FIG. 3 according to the present invention.

Reference numerals: 1. a base plate; 2. a card slot; 3. a first connecting column; 4. a connecting plate; 5. a snap ring; 6. a movable ring; 7. a movable groove; 8. a moving groove; 9. a spring slot; 10. a movable post; 11. a spring; 12. a limiting bead; 13. a motor; 14. a first timing pulley; 15. a synchronous belt; 16. a second timing pulley; 17. a crankshaft; 18. a support plate; 19. a connecting rod; 20. a slider; 21. a support; 22. a chute; 23. a second connecting column; 24. a piston rod; 25. a pump box; 26. a first seal ring; 27. a first fixing plate; 28. a first feed port; 29. a second seal ring; 30. a first sealing sheet; 31. a movable plate; 32. a discharge hole; 33. a second sealing sheet; 34. a pillar; 35. a second fixing plate; 36. a second feed port; 37. a third sealing sheet; 38. a feed pipe; 39. and (4) discharging the pipe.

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.

Example 1

Please refer to fig. 1, 4 and 6, a natural gas liquid feeding pump with a leakage-proof device, including a bottom plate 1 and a clamping groove 2 inside the bottom plate 1 for clamping a first connection post 3 and a connection plate 4 adapted to the first connection post 3, an upper surface of the connection plate 4 is fixedly connected with a clamping ring 5, an upper end of the clamping ring 5 is movably connected with a movable ring 6, a movable groove 7 is provided at the bottom end of the movable ring 6, a movable groove 8 is provided at one side of the movable groove 7, a spring groove 9 is provided at the bottom end of the movable groove 7, an inner movable connection of the movable groove 7 is connected with a movable post 10, a bottom end of the movable post 10 is fixedly connected with a spring 11, a limiting ball 12 is provided inside the movable groove 8, and a motor 13 is fixedly installed on the upper surface of the connection plate 4.

In this embodiment, draw-in groove 2 through 1 inside setups of bottom plate can carry out the joint to first spliced pole 3, thereby advance the extrusion to spacing pearl 12 through spring 11 pulling activity post 10 downwards, thereby realize and 3 looks adaptations of first spliced pole, realize the high-speed joint of connecting plate 4 and bottom plate 1, can upwards stimulate activity post 10 after overcoming the elasticity of spring 11 through upwards stimulating movable ring 6, it is spacing to spacing pearl 12 to relieve through the slope of activity post 10 bottom, make it can be at 8 inside removals in shifting chute, thereby make spacing pearl 12 and 3 disconnect-connections of first spliced pole, with this can make first spliced pole 3 can be extracted, thereby realize connecting plate 4 and 1 quick dismantlement of bottom plate.

Example 2

Referring to fig. 2, 5 and 7, the present embodiment is further optimized on the basis of embodiment 1, specifically, a first synchronous pulley 14 is fixedly connected to an end portion of an output shaft of the motor 13, support plates 18 are symmetrically and fixedly connected to an upper surface of the bottom plate 1 on one side of the motor 13, a crankshaft 17 is movably connected between the two support plates 18, one end of the crankshaft 17 penetrates through the support plates 18 and is fixedly connected with a second synchronous pulley 16, the second synchronous pulley 16 and the first synchronous pulley 14 are in transmission connection through a synchronous belt 15, and two ends of the synchronous belt 15 are respectively adapted to the first synchronous pulley 14 and the second synchronous pulley 16.

Specifically, one side of the crankshaft 17 is movably connected with a connecting rod 19, the other end of the connecting rod 19 is movably connected with a sliding block 20, one side of the sliding block 20 is movably connected with a support 21, one side of the support 21 is provided with a sliding groove 22, and the sliding block 20 is matched with the sliding groove 22.

Specifically, the other end of the slider 20 is fixedly connected with a second connecting column 23, the other end of the second connecting column 23 is fixedly connected with a piston rod 24, the other end of the piston rod 24 penetrates through and is movably connected with a pump box 25, and one side of the pump box 25 is fixedly connected with a first sealing ring 26.

In this embodiment, the first gear 14 is driven by the motor 13 to rotate and can drive the second gear 16 to rotate through the synchronous belt 15 matched with the first gear, so as to drive the crankshaft 17 to rotate, the crankshaft 17 can be supported by the two support plates 18, the connecting rod 19 can be driven to swing through the rotation of the crankshaft 17, so as to drive the sliding block 20 to drive the second connecting column 23 to slide in the sliding groove 22 on one side of the support 21 in a reciprocating manner, so as to realize the conversion of a power output mode, and thus, the liquid pump can work conveniently.

Example 3

Referring to fig. 3 and 8, the present embodiment is optimized based on the embodiment 1 or 2, specifically, a first fixing plate 27 is fixedly connected to one side of the interior of the pump box 25, a first feeding hole 28 is formed in the interior of the first fixing plate 27, a second sealing ring 29 is fixedly connected to the middle of the first fixing plate 27, and a first sealing sheet 30 is fixedly connected to one side of the first fixing plate 27.

Specifically, movable plates 31 are symmetrically and movably connected to the inside of the pump box 25, a support 34 is fixedly connected between the two movable plates 31, a discharge hole 32 is formed in the movable plate 31, and a second sealing sheet 33 is fixedly connected to one side of the movable plate 31.

Specifically, the other side of the inside of the pump box 25 is fixedly connected with a second fixing plate 35, a second feeding hole 36 is formed in the second fixing plate 35, and a third sealing sheet 37 is fixedly connected to one side of the second fixing plate 35.

Specifically, the top end of the pump box 25 is fixedly connected with a feeding pipe 38, and the bottom end of the pump box 25 is fixedly connected with a discharging pipe 39.

In this embodiment, the second connecting column 23 is fixedly connected to the piston rod 24, so as to drive the piston rod 24 to reciprocate left and right, thereby driving the two movable plates 31 to move left and right in the pump box 25, a plurality of second sealing sheets 33 fixedly connected with the adjacent surfaces through a discharge hole 32 arranged in the two movable plates 31, and a first fixing plate 27 fixedly connected with a first sealing sheet 30 at one side internally provided with a first feeding hole 28, is matched with a second fixed plate 35 which is internally provided with a second feeding hole 36 and one side of which is fixedly connected with a third sealing sheet 37, the pumping-out function of the pump housing 25 can be achieved when the piston rod 24 reciprocates the two movable plates 31 left and right, the sealing gaskets fixedly connected with one sides of the two movable plates 31 and the first sealing ring 26 and the second sealing ring 29 can enhance the sealing performance of the pump box 25, prevent the leakage of the pump box and further ensure safety.

In summary, the following steps: according to the utility model, the first connecting column 3 can be clamped through the clamping groove 2 arranged in the bottom plate 1, the movable column 10 is pulled downwards through the spring 11 so as to extrude the limiting bead 12, so that the first connecting column 3 is matched, the connecting plate 4 is quickly connected with the bottom plate 1, the movable column 10 can be pulled upwards through pulling the movable ring 6 upwards after overcoming the elastic force of the spring 11, the limiting of the limiting bead 12 is released through the slope at the bottom end of the movable column 10, so that the limiting bead 12 can move in the movable groove 8, so that the limiting bead 12 is disconnected with the first connecting column 3, so that the first connecting column 3 can be pulled out, the connecting plate 4 is quickly detached from the bottom plate 1, the first gear 14 is driven by the motor 13 to rotate, the second gear 16 can be driven by the synchronous belt 15 matched with the first gear 14 to rotate, and the crankshaft 17 can be driven to rotate, the crankshaft 17 can be supported by the two support plates 18, the connecting rod 19 can be driven to swing by the rotation of the crankshaft 17, so that the sliding block 20 can be driven to drive the second connecting column 23 to slide in the sliding groove 22 on one side of the bracket 21 in a reciprocating manner, so that the power output mode can be switched, and the work of the liquid pump is facilitated, the piston rod 24 can be driven to reciprocate left and right by fixedly connecting the second connecting column 23 with the piston rod 24, so that the two movable plates 31 can be driven to move left and right in the pump box 25, and the first fixing plate 27, which is fixedly connected with the first sealing sheet 30 on one side of the first feeding hole 28 and the second fixing plate 35, which is fixedly connected with the third sealing sheet 37 on one side of the second feeding hole 36 and is respectively matched with the discharge hole 32 formed in the two movable plates 31 and the second sealing sheets 33 fixedly connected with the adjacent surfaces, can be when piston rod 24 drives two movable plates 31 and reciprocate from the top inlet pipe 38 feeding back of pump box 25, in the interval between first fixed plate 27 and second fixed plate 35 and the movable plate 31 is got into respectively through first feed port 28 and second feed port 36 in turn, get into between two movable plates 31 via relief hole 32 again, be pumped through discharging pipe 39, thereby realize the pump-out function of pump box 25, through the sealed pad of two movable plates 31 one side fixed connection, can strengthen the leakproofness of pump box 25 with first sealing ring 26 and second sealing ring 29, prevent it to leak, thereby it is safer.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, and the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be covered by the scope of the present invention.

Claims (8)

1. The utility model provides a natural gas liquid feeding pump with prevent leaking device, includes bottom plate (1) and bottom plate (1) inside draw-in groove (2) that are used for the first spliced pole (3) of joint and connecting plate (4) with first spliced pole (3) looks adaptation, its characterized in that: the upper surface fixedly connected with snap ring (5) of connecting plate (4), the upper end swing joint of snap ring (5) has loose ring (6), movable groove (7) have been seted up to the bottom of loose ring (6), shifting chute (8) have been seted up to one side of movable groove (7), spring groove (9) have been seted up to the bottom of movable groove (7), the inside swing joint of movable groove (7) has movable post (10), the bottom fixedly connected with spring (11) of movable post (10), the inside of shifting chute (8) is equipped with spacing pearl (12), the upper surface fixed mounting of connecting plate (4) has motor (13).

2. A natural gas filling pump with leak prevention apparatus as defined in claim 1, wherein: the end part of an output shaft of the motor (13) is fixedly connected with a first synchronous pulley (14), the upper surface of a bottom plate (1) on one side of the motor (13) is symmetrically and fixedly connected with support plates (18), a crankshaft (17) is movably connected between the support plates (18), one end of the crankshaft (17) penetrates through the support plates (18) and is fixedly connected with a second synchronous pulley (16), the second synchronous pulley (16) is in transmission connection with the first synchronous pulley (14) through a synchronous belt (15), and two ends of the synchronous belt (15) are respectively matched with the first synchronous pulley (14) and the second synchronous pulley (16).

3. A natural gas filling pump with leak prevention apparatus as defined in claim 2, wherein: one side swing joint of bent axle (17) has connecting rod (19), the other end swing joint of connecting rod (19) has slider (20), one side swing joint of slider (20) has support (21), spout (22) have been seted up to one side of support (21), slider (20) and spout (22) looks adaptation.

4. A natural gas filling pump with leak prevention apparatus as defined in claim 3, wherein: the other end fixedly connected with second spliced pole (23) of slider (20), the other end fixedly connected with piston rod (24) of second spliced pole (23), the other end of piston rod (24) runs through and swing joint has pump box (25), the first sealing ring (26) of one side fixedly connected with of pump box (25).

5. A natural gas filling pump with leakage prevention device, according to claim 4, characterized in that: first fixed plate (27) of inside one side fixedly connected with of pump box (25), first feed port (28) have been seted up to the inside of first fixed plate (27), middle part fixedly connected with second sealing ring (29) of first fixed plate (27), first gasket (30) of one side fixedly connected with of first fixed plate (27).

6. A natural gas filling pump with leakage prevention device, according to claim 4, characterized in that: the utility model discloses a pump box, including pump box (25), pump box, fixed connection has movable plate (31), two fixedly connected with pillar (34) between movable plate (31), relief hole (32) have been seted up to the inside of movable plate (31), one side fixedly connected with second sealing washer (33) of movable plate (31).

7. A natural gas filling pump with leakage prevention device, according to claim 4, characterized in that: the inside opposite side fixedly connected with second fixed plate (35) of pump box (25), second feed port (36) have been seted up to the inside of second fixed plate (35), one side fixedly connected with third gasket (37) of second fixed plate (35).

8. A natural gas filling pump with leakage prevention device, according to claim 4, characterized in that: the top fixedly connected with inlet pipe (38) of pump case (25), the bottom fixedly connected with discharging pipe (39) of pump case (25).

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