CN207349041U

CN207349041U - A kind of Portable hand pump

Info

Publication number: CN207349041U
Application number: CN201721403757.0U
Authority: CN
Inventors: 潘正林; 潘青
Original assignee: Yangzhou Golden Sunshine Foundry Co Ltd
Current assignee: Yangzhou Golden Sunshine Foundry Co Ltd
Priority date: 2017-10-27
Filing date: 2017-10-27
Publication date: 2018-05-11
Anticipated expiration: 2027-10-27

Abstract

The utility model discloses a kind of Portable hand pump, the pump housing that cavity is in barrel-like structure is set including interior, first through hole is provided among the bottom of the pump housing, and inlet tube is welded with first through hole, the circumferential inner wall of the pump housing is welded with two interlayer baffles parallel to each other, and two interlayer baffles are by the cavity trisection of the pump housing, the centre of two interlayer baffles is provided with the second through hole being coaxially distributed, and it is connected with rubber snap ring in two the second through holes, the centre of two rubber snap rings is connected with same root mandril, and mandril is bolted with piston plate close to one end of inlet tube, the outer circumferential walls of the piston plate are provided with annular groove, and non-return sealing ring is connected with annular groove.The utility model can not only play fixed and ensure mandril along up-and-down motion, and play double containment effect, fluid seepage can also be avoided the occurrence of, all the time by the EDGE CONTACT of the roller on mandril top and cam, ensures that cam driven mandril is reciprocating.

Description

A kind of Portable hand pump

Technical field

It the utility model is related to hand pump technical field, more particularly to a kind of Portable hand pump.

Background technology

Water pump is the machinery for conveying liquid or being pressurized liquid；It transmits the mechanical energy of prime mover or other external energies Liquid, increases liquid energy, and being mainly used to conveying liquid includes water, oil, acid ＆ alkali liquid, emulsion, suspended emulsion and liquid gold Belong to etc., it can also convey liquid, admixture of gas and the liquid containing suspended solids；Positive displacement pump utilizes its swept volume of a single chamber Change to transmit energy；Vane pump is to transmit energy using the interaction of rotary vane and water；Hand pump accounts in water pump A very big ratio, when back and forth shaking crank handle with hand, by transmission mechanisms such as axis, rocking arm, connecting rods, makees piston reciprocal Movement；In the same time, due to the compression of piston on the left of cylinder body, make that pressure water valve is open-top, and liquid is discharged through discharge pipe；If piston Direction of motion when returning to the right, then suction liquid on the left of pumping cylinder, discharge liquid on the right side of pumping cylinder, do not have a rest back and forth so liquid Suction discharge, forms the work of pump；And end cap is often both provided with the inlet of hand pump, it can effectively prevent that some are miscellaneous Thing enters pump body, and existing hand pump is badly in need of a sealing performance mostly in sealing performance with contradictory in cost Good inexpensive hand pump.

Utility model content

The purpose of this utility model is and a kind of Portable hand proposed in order to solve shortcoming existing in the prior art Pump.

To achieve these goals, the utility model employs following technical solution：

A kind of Portable hand pump, including it is interior set the pump housing that cavity is in barrel-like structure, be provided among the bottom of the pump housing First through hole, and inlet tube is welded with first through hole, the circumferential inner wall of the pump housing is welded with two interlayers parallel to each other Baffle, and the cavity trisection of the pump housing, the centre of two interlayer baffles are provided with what is be coaxially distributed by two interlayer baffles Second through hole, and rubber snap ring is connected with two the second through holes, the centre of two rubber snap rings is connected with same root Mandril, and mandril is bolted with piston plate close to one end of inlet tube, the outer circumferential walls of the piston plate are provided with annular groove, and annular Be connected with non-return sealing ring in groove, one end outer wall of the mandril away from piston plate is socketed with baffle ring, and the lower surface of baffle ring with Resetting spring is provided between one interlayer baffle of top, the top outer circumferential walls of the pump housing are bolted with flange, and pump Body is fixed with fixed plate box by flange, and the fixed plate box is rectangular parallelepiped structure with interior cavity, and two of fixed plate box Shaft is rotatably connected between opposite side plate, the middle key of the shaft is connected with the cam in fusiformis.

Preferably, the side wall of the pump housing is provided with third through-hole, and third through-hole be located at interlayer baffle close to lower section with Between piston plate, discharge pipe is plugged with third through-hole.

Preferably, the mandril is welded with two fixed plates parallel to each other, and two fixed plates close to one end of cam Between be rotatably connected to roller, the major axis of cam and the difference of minor axis length are less than the height of the pump housing 1/3rd.

Preferably, fourth hole is reserved among the bottom of the fixed plate box, and the diameter of fourth hole is more than mandril Outside diameter.

Preferably, the centre of two opposite side plates of fixed plate box is provided with counterbore, and is clamped in two counterbores There is taper roll bearing, the inner ring of taper roll bearing is adapted with the diameter of shaft.

Preferably, the one end of the shaft away from cam is equipped with pin hole, and rocking bar is plugged with pin hole.

The beneficial effects of the utility model are：

1st, by two interlayer baffles of chain and the rubber snap ring of middle clamping of setting, fixed mandril guarantor can not only be played Mandril is demonstrate,proved along up-and-down motion, and plays double containment effect, avoids the occurrence of fluid seepage.

2nd, the baffle ring by the resetting spring of setting and in a ring, can be all the time by the side of the roller on mandril top and cam Edge contacts, and ensures that cam driven mandril is reciprocating.

3rd, the piston plate and non-return sealing ring of setting are passed through so that the oil suction chamber of device passes through a sealing ring with oil outlet chamber It is connected, reduces the fluid loss in oil transportation oil pipe complicated in traditional oil pump.

4th, by the shaft and cam of setting, cam ejection pin mechanism is formed so that hand more laborsaving.

Brief description of the drawings

Fig. 1 be the utility model proposes a kind of Portable hand pump schematic cross-sectional view；

Fig. 2 be the utility model proposes a kind of Portable hand pump side structure schematic view.

In figure：1 pump housing, 2 rubber snap rings, 3 interlayer baffles, 4 resetting springs, 5 mandrils, 6 fixed plate boxes, 7 rocking bars, 8 cams, 9 rollers, 10 fixed plates, 11 discharge pipes, 12 piston plates, 13 taper roll bearings, 14 shafts.

Embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

With reference to Fig. 1-2, a kind of Portable hand pump, including interior set the pump housing 1 that cavity is in barrel-like structure, the bottom of the pump housing 1 Centre is provided with first through hole, and inlet tube is welded with first through hole, the circumferential inner wall of the pump housing 1 be welded with two it is parallel to each other Interlayer baffle 3, and the cavity trisection of the pump housing 1, the centre of two interlayer baffles 3 are provided with coaxial point by two interlayer baffles 3 Second through hole of cloth, and rubber snap ring 2 is connected with two the second through holes, the centres of two rubber snap rings 2 are connected with same Root mandril 5, and mandril 5 is bolted with piston plate 12 close to one end of inlet tube, the outer circumferential walls of piston plate 12 are provided with annular groove, and Non-return sealing ring is connected with annular groove, one end outer wall of the mandril 5 away from piston plate 12 is socketed with baffle ring, and the lower surface of baffle ring Resetting spring 4 is provided between an interlayer baffle 3 of top, the top outer circumferential walls of the pump housing 1 are bolted with flange, and pump Body 1 is fixed with fixed plate box 6 by flange, and fixed plate box 6 is rectangular parallelepiped structure with interior cavity, and two of fixed plate box 6 Shaft 14 is rotatably connected between opposite side plate, the middle key of shaft 14 is connected with the cam 8 in fusiformis.

In the utility model, the side wall of the pump housing 1 is provided with third through-hole, and third through-hole is located at the interlayer baffle close to lower section Be plugged with discharge pipe 11 between 3 and piston plate 12, in third through-hole, mandril 5 close to one end of cam 8 be welded with two it is mutually equal Capable fixed plate 10, and roller 9 is rotatably connected between two fixed plates 10, the major axis of cam 8 and the difference of minor axis length are small Fourth hole is reserved among the height of the pump housing 1/1st three, the bottom of fixed plate box 6, and the diameter of fourth hole is more than The outside diameter of mandril 5, the centre of 6 two opposite side plates of fixed plate box is provided with counterbore, and is connected with circular cone in two counterbores Roller bearing, the inner ring of taper roll bearing are adapted with the diameter of shaft 14, and the one end of shaft 14 away from cam 8 is equipped with latch Hole, and rocking bar 7 is plugged with pin hole.

Operation principle：Oil inlet pipe outer wall is socketed upper oil pipe during use, oil pipe is inserted into fuel tank, then by discharge pipe 11 Mouth of pipe direction treats oil transportation object；Rocking bar 7 is shaken around shaft afterwards, the rotation of shaft 14 drives middle cam ejection pin mechanism Running, since cam 8 in fusiformis and divides major axis and short axle, coordinates resetting spring 4 to drive mandril 5 reciprocating；Piston Oil suction chamber air pressure diminishes when disk 12 moves upwards, fluid is pressed into the pump housing under the action of pressure differential, afterwards piston plate 12 decline fluid enters discharge chamber along non-return sealing ring, and piston plate 12 rises again will discharge fluid in chamber from discharge pipe 11 Extrusion.

The above, is only the preferable embodiment of the utility model, but the scope of protection of the utility model is not This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality New technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims

1. a kind of Portable hand pump, including interior set the pump housing that cavity is in barrel-like structure（1）, it is characterised in that the pump housing（1） Bottom among be provided with first through hole, and inlet tube is welded with first through hole, the pump housing（1）Circumferential inner wall be welded with two A interlayer baffle parallel to each other（3）, and two interlayer baffles（3）By the pump housing（1）Cavity trisection, two interlayers gears Plate（3）Centre be provided with the second through hole being coaxially distributed, and be connected with rubber snap ring in two the second through holes（2）, two The rubber snap ring（2）Centre be connected with same root mandril（5）, and mandril（5）Piston is bolted with close to one end of inlet tube Disk（12）, the piston plate（12）Outer circumferential walls be provided with annular groove, and non-return sealing ring is connected with annular groove, the mandril （5）Away from piston plate（12）One end outer wall be socketed with baffle ring, and an interlayer baffle of the lower surface of baffle ring and top（3） Between be provided with resetting spring（4）, the pump housing（1）Top outer circumferential walls be bolted with flange, and the pump housing（1）Consolidated by flange Surely there is fixed plate box（6）, the fixed plate box（6）For rectangular parallelepiped structure with interior cavity, and fixed plate box（6）Two it is opposite Side plate between be rotatably connected to shaft（14）, the shaft（14）Middle key be connected with cam in fusiformis（8）.

A kind of 2. Portable hand pump according to claim 1, it is characterised in that the pump housing（1）Side wall be provided with Three through holes, and third through-hole is located at the interlayer baffle close to lower section（3）With piston plate（12）Between, the row of being plugged with third through-hole Outlet pipe（11）.

A kind of 3. Portable hand pump according to claim 1, it is characterised in that the mandril（5）Close to cam（8）'s One end is welded with two fixed plates parallel to each other（10）, and two fixed plates（10）Between be rotatably connected to roller（9）, cam （8）Major axis and the difference of minor axis length be less than the pump housing（1）/ 3rd height.

A kind of 4. Portable hand pump according to claim 1, it is characterised in that the fixed plate box（6）Bottom in Between be reserved with fourth hole, and the diameter of fourth hole is more than mandril（5）Outside diameter.

A kind of 5. Portable hand pump according to claim 1, it is characterised in that the fixed plate box（6）Two opposite The centre of side plate be provided with counterbore, and taper roll bearing is connected with two counterbores, the inner ring of taper roll bearing with Shaft（14）Diameter be adapted.

A kind of 6. Portable hand pump according to claim 1, it is characterised in that the shaft（14）Away from cam（8） One end be equipped with pin hole, and rocking bar is plugged with pin hole（7）.