CN204627888U - The high-pressure plunger pump of water lubrication and Handheld high-voltage injection apparatus - Google Patents
The high-pressure plunger pump of water lubrication and Handheld high-voltage injection apparatus Download PDFInfo
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- CN204627888U CN204627888U CN201520051288.5U CN201520051288U CN204627888U CN 204627888 U CN204627888 U CN 204627888U CN 201520051288 U CN201520051288 U CN 201520051288U CN 204627888 U CN204627888 U CN 204627888U
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Abstract
The utility model embodiment discloses a kind of high-pressure plunger pump and Handheld high-voltage injection apparatus of water lubrication, relates to technical field of hydraulic pressure, solves the problem of flow channel design inconvenience in prior art.The high-pressure plunger pump of a kind of water lubrication of the utility model embodiment, comprises the housing with through hole, is provided with cylinder body in through hole, and described cylinder body is provided with cylinder holes according to circumference array; Described through hole one end is provided with intake end cover, the described through hole the other end is provided with water outlet end cap, described intake end cover be provided with can with the intake tunnel of ft connection, described waterexit end cover be provided with can with the exhalant canal of ft connection, described exhalant canal is communicated with the osculum on thrust plate, and described intake tunnel is communicated with the water inlet of thrust plate by the sidepiece gap between cylinder body with housing.The utility model embodiment is mainly used in miniaturization hydraulic equipment, especially Handheld high-voltage injection apparatus.
Description
Technical field
The utility model relates to technical field of hydraulic pressure, particularly relates to high-pressure plunger pump and the Handheld high-voltage injection apparatus of water lubrication.
Background technique
High-pressure plunger pump does reciprocating piston motion by its plunger in the cylinder holes of cylinder body, and the suction and the supercharging that realize liquid are pumped, and the cylinder body of high-pressure plunger pump is generally arranged on enclosure, and shell mainly comprises the end cap at housing and housing two ends.The water intake of existing high-pressure plunger pump and water outlet are generally all arranged on same end caps, and the water intake being and water outlet can be directly corresponding with the cylinder holes of cylinder body.
Realizing and using in the process of existing high-pressure plunger pump, inventor finds that in prior art, at least there are the following problems: because water intake and water outlet design are on same end cap, flow channel design is caused to there is larger difficulty, when especially needing high-pressure plunger pump to do Miniaturization Design, the more difficult design of flow channel; In addition, if the high-pressure plunger pump of miniaturization is applied on Handheld high-voltage injection apparatus, as being used in Handheld high-voltage fire fighting apparatus, Handheld high-voltage flushing device etc., water outlet due to Handheld high-voltage injection apparatus needs design in front end, and now water intake is also designed in front end again, product must be caused to be inconvenient to carry and to be also inconvenient to install.
Model utility content
High-pressure plunger pump and Handheld high-voltage injection apparatus that technical problem to be solved in the utility model is to overcome the deficiencies in the prior art and provides a kind of water lubrication, can carry out flow channel design better.
For achieving the above object, the utility model adopts following technological scheme:
A high-pressure plunger pump for water lubrication, comprises the housing with through hole, is provided with cylinder body in through hole, and described cylinder body is provided with cylinder holes according to circumference array; Described through hole one end is provided with intake end cover, is provided with return plate between cylinder body and intake end cover, and return plate is provided with the plunger piston slippery boots assembly inserted in cylinder holes; The described through hole the other end is provided with water outlet end cap, is provided with thrust plate between cylinder body and water outlet end cap; Described intake end cover be provided with can with the intake tunnel of ft connection, described waterexit end cover be provided with can with the exhalant canal of ft connection, described exhalant canal is communicated with the osculum on thrust plate, and described intake tunnel is communicated with the water inlet of thrust plate by the sidepiece gap between cylinder body with housing.
Described waterexit end covers and is also provided with diversion passage, and described one end of diversion passage is communicated with the water inlet on thrust plate, and the other end is communicated with intake tunnel by the sidepiece gap between cylinder body with housing.
The interior edge face of described intake end cover is inclined-plane, and described plunger piston slippery boots assembly is fitted on described inclined-plane and moves.
The water intake of described intake tunnel is arranged on the cylinder sidepiece of intake end cover.
Described high-pressure plunger pump is minitype high voltage plunger pump, and described intake end cover is high-pressure plunger pump mounting end, and described water outlet end cap is the pump water end (W.E.) of high-pressure plunger pump.
Described cylinder body is provided with intercommunicating pore vertically.
Described intercommunicating pore and cylinder holes circumferentially direction are spaced apart.
Described intake end cover is provided with the first axis hole passed for live axle, and the first axis hole place is provided with clutch shaft bearing, and described intake tunnel is inner through clutch shaft bearing from clutch shaft bearing outer end.
Described waterexit end is covered with the second axis hole installing live axle, and the second axis hole place is provided with the second bearing, and described diversion passage is inner through the second bearing outer end from the second bearing.
A kind of Handheld high-voltage injection apparatus, comprise support and holding part, be provided with motor in support, also comprise foregoing high-pressure plunger pump, intake end cover and the support of described high-pressure plunger pump are linked and packed.
The high-pressure plunger pump of the water lubrication that the utility model provides, intake tunnel and exhalant canal are designed respectively on two end caps, and intake tunnel is communicated to the water inlet of thrust plate by the gap between cylinder body and housing, thus make to be sucked by the cylinder holes of cylinder body into water, realize the effect of high-pressure plunger pump to water inlet pressurization.Because the high-pressure plunger pump intake tunnel in the utility model embodiment and exhalant canal design respectively on two end caps, make it possible to carry out flow channel design respectively on two end caps, increase the design space of flow channel, thus flow channel design can be carried out better.
The Handheld high-voltage injection apparatus that the utility model embodiment provides, due to the intake end cover of high-pressure plunger pump and support are linked and packed, thus make the water intake on intake end cover can be positioned at the rear end of high-pressure injection device, thus facilitate carrying and installing of high-pressure injection device.
In addition, the high-pressure plunger pump in the utility model and Handheld high-voltage injection apparatus, arrive water inlet after the water of intake tunnel is all through cylinder body, thus the water entered can be cooled cylinder body.After high-pressure plunger pump is carried out Miniaturization Design, because its size is less, integral heat sink area is also very little; easily overheated in high speed operation process; after the scheme adopting the utility model to provide, can cool cylinder body well, thus play the effect of protection high-pressure plunger pump.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the sectional view of the utility model embodiment mesohigh plunger pump;
Fig. 2 is I part partial enlarged drawing in Fig. 1;
Fig. 3 is II part partial enlarged drawing in Fig. 1;
Fig. 4 is III part partial enlarged drawing in Fig. 1;
Fig. 5 is the sectional view of cylinder body in the utility model embodiment;
Fig. 6 is the right elevation of Fig. 5;
Fig. 7 is clutch shaft bearing sectional view in the utility model embodiment;
Fig. 8 is right elevation in Fig. 7;
Fig. 9 is the utility model embodiment mesohigh injection apparatus plan view;
Figure 10 is A-A sectional view in Fig. 9.
Reference character: 10-housing, 20-cylinder body, 21-cylinder holes, 22-sidepiece gap, 23-intercommunicating pore, 30-intake end cover, 31-intake tunnel, 32-first axis hole, 33-clutch shaft bearing, 34-interior edge face, 35-supporting surface, 36-through slot, 40-water outlet end cap, 41-exhalant canal, 42-diversion passage, 43-second axis hole, 44-second bearing, 45-confining tendon, 50-return plate, 51-plunger piston slippery boots assembly, 60-thrust plate, 61-water inlet, 62-osculum, 63-end clearance, 64-is intake gap, 70-thrust button, 1-support, 2-holding part, 3-motor, 4-high-pressure plunger pump.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
The utility model embodiment provides a kind of high-pressure plunger pump of water lubrication, and as shown in Figure 1, this high-pressure plunger pump comprises the housing 10 with through hole, is provided with cylinder body 20 in through hole, and described cylinder body is provided with cylinder holes 21 according to circumference array; In order to the design of pipelined channel can be facilitated, two end caps are designed to intake end cover 30 and water outlet end cap 40 by the utility model embodiment respectively, specifically as shown in Figure 1, described through hole one end is provided with intake end cover 30, namely in Fig. 1, the right-hand member of through hole arranges intake end cover 30, be provided with return plate 50 between cylinder body 20 and intake end cover 30, return plate is provided with the plunger piston slippery boots assembly 51 inserted in cylinder holes, can to waterflow boosting by the piston movement of plunger piston slippery boots assembly 51 in cylinder holes 21; The described through hole the other end is provided with water outlet end cap, namely in Fig. 1, the left end of through hole sets out water end (W.E.) lid 40, thrust plate 60 is provided with between cylinder body 20 and water outlet end cap 40, thrust plate 60 is arranged water inlet 61 and osculum 62, cylinder body rotate time cylinder holes corresponding water inlet position time absorb water, the cylinder holes of corresponding osculum position then extrudes water outlet.
In the utility model embodiment, pipelined channel design as shown in Figures 2 and 3, intake end cover 30 be provided with can with the intake tunnel 31 of ft connection, described water outlet end cap 40 be provided with can with the exhalant canal 41 of ft connection, and exhalant canal 41 is communicated with the osculum 62 on thrust plate, and intake tunnel 31 is communicated with the water inlet 61 of thrust plate by the sidepiece gap 22 between cylinder body 20 with housing 10, thus, the water entered from intake tunnel can enter into the water inlet 61 of front end by sidepiece gap 22 (sidepiece gap 22 as shown in Figure 4), achieve the scheme of high-pressure plunger pump difference water inlet and outlet on two end caps, thus on two end caps, flow channel design can be carried out respectively, increase the design space of flow channel, thus flow channel design can be carried out better.In the utility model embodiment indication enter into water inlet, water inlet 61 place that instruction current arrive, as long as the piston movement of plunger piston slippery boots assembly 51 makes to produce negative pressure in cylinder holes, just the current at water inlet 61 place can be drawn into cylinder holes.
And after high-pressure plunger pump is carried out Miniaturization Design; because its size is less; integral heat sink area is also very little; easily overheated in high speed operation process; after the scheme adopting the utility model to provide; the water that intake tunnel enters is all first after cylinder body, arrive water inlet, can cool cylinder body 20 well, thus plays the effect of protection high-pressure plunger pump.
Can be communicated with sidepiece gap well to make water inlet on thrust plate, as shown in Figure 3, the utility model embodiment is also provided with diversion passage 42 on described water outlet end cap 40, one end of described diversion passage 42 is communicated with the water inlet 61 on thrust plate, the other end is communicated with sidepiece gap 22, so this diversion passage 42 just can be made to be communicated with intake tunnel by the sidepiece gap between cylinder body with housing.In the utility model embodiment, the design of diversion passage 42 includes but not limited to following scheme:
One, as shown in Figure 3, described water outlet end cap 40 is provided with the second axis hole 43 installing live axle, second axis hole 43 place is provided with the second bearing 44, diversion passage 42 is designed to be communicated with the water inlet 61 of thrust plate from second bearing 44 the inner through behind the second bearing outer end, lubrication and cooling can also be carried out to bearing while water inlet like this. specifically, as shown in Figure 3, thrust plate 60 and thrust button 70 is set gradually between cylinder body and water outlet end cap, the end clearance 63 being positioned at water inlet place is provided with between described thrust plate 60 and thrust button 70, described end clearance 63 is communicated with sidepiece gap 22 and the second axis hole 43, wherein the second axis hole 43 is exactly a part for diversion passage, can be inner through bearing outer end from bearing, be communicated with water inlet through the through hole gone out by water outlet end cap internal production behind the second bearing 44 outer end, this through hole is also a part for diversion passage 42.
Two, as shown in Figure 3, be provided with the water inlet gap 64 being positioned at water inlet 61 place between water outlet end cap 40 and thrust plate 60, described water inlet gap 64 is communicated with water inlet 61 and sidepiece gap 22, and this water inlet gap 64 is exactly a kind of form of diversion passage.
The utility model embodiment have employed the design of above two kinds of diversion passages 42 simultaneously.
Certainly, as shown in Figure 2, be also provided with at intake end cover the first axis hole 32, first axis hole 32 place passed for live axle and be provided with clutch shaft bearing 33, in order to can Cooling and Lubricator clutch shaft bearing 33, the utility model embodiment be inner through clutch shaft bearing from clutch shaft bearing 33 outer end by described intake tunnel.
Intake tunnel 31 finally moves towards in fig. 2 is pass to clutch shaft bearing the inner from clutch shaft bearing 33 outer end, thus achieve and being communicated with of sidepiece gap 22, in fact, when not needing lubrication clutch shaft bearing, also can directly be passed by the interior edge face 34 of intake tunnel 31 from intake end cover 30, formation is communicated with sidepiece gap 22, and does not need through clutch shaft bearing, the program owing to not being optimal case, so not shown.
The water that in the utility model embodiment, intake tunnel enters flows to the water inlet of thrust plate mainly through sidepiece gap; also cooling to cylinder body is strengthened in order to increase flow path; as shown in Figure 5 and Figure 6; the utility model embodiment is also provided with intercommunicating pore 23 vertically on described cylinder body 20; this intercommunicating pore 23 can be communicated with the water inlet 61 of intake tunnel 31 and thrust plate; current can also cool cylinder body 20 and plunger piston slippery boots assembly 51 when through intercommunicating pore 23, realize the protection to high-pressure plunger pump.In order to improve cooling effect, circumferentially direction is spaced apart with cylinder holes 21 for intercommunicating pore 23 described in the utility model embodiment, and ordinary circumstance is that circumferentially 10 holes are done in direction, and wherein 5 is intercommunicating pore, and 5 is cylinder holes, and cylinder holes and intercommunicating pore spaced apart.
Generally plunger piston slippery boots assembly is fitted on swash plate and moves, in order to make high-pressure plunger pump compacter, as depicted in figs. 1 and 2, the interior edge face 34 of intake end cover 30 is designed to inclined-plane by the utility model embodiment, plunger piston slippery boots assembly can be fitted on described inclined-plane move, so, in terms of existing technologies, the utility model embodiment eliminates swash plate, makes this high-pressure plunger pump more can realize miniaturization.
The utility model embodiment mesohigh plunger pump is preferably minitype high voltage plunger pump, minitype high voltage plunger pump is mainly used on hand-held injection apparatus, realize the injection of highly pressurised liquid, make feed-water end can more near gripping site, in the utility model embodiment, intake end cover is designed to high-pressure plunger pump mounting end, described water outlet end cap is the pump water end (W.E.) of high-pressure plunger pump, thus facilitates carrying and installing of high-pressure injection device.
Because intake end cover also needs to be fixed installation, as shown in Figure 1, the water intake of intake tunnel 31 is arranged on the cylinder sidepiece of intake end cover 30 by the utility model embodiment, intake pipe can be connected with water intake easily, the interference that feed-water end needs to fixedly mount high-pressure plunger pump can not be subject to.
Embodiment 2
The utility model embodiment also provides a kind of high-pressure plunger pump, specifically a kind of water lubrication high-pressure plunger pump of lubricating bearings, as shown in Figure 1, comprise the housing 10 with through hole, cylinder body 20 is provided with in through hole, described cylinder body 20 is provided with cylinder holes 21 according to circumference array, described through hole two ends are respectively equipped with intake end cover 30 and water outlet end cap 40, thrust plate 60 is provided with between cylinder body 20 and water outlet end cap 40, described intake end cover 30 be provided with can with the intake tunnel 31 of ft connection, water outlet end cap 40 be provided with can with the exhalant canal 41 of ft connection, described intake tunnel 31 is communicated with the water inlet 61 of thrust plate by the sidepiece gap 22 between cylinder body with housing.In order to complete fluid pressurization, the utility model is provided with return plate 50 between cylinder body and intake end cover, and return plate 50 is provided with the plunger piston slippery boots assembly 51 inserted in cylinder holes.Two end caps are designed to intake end cover respectively and water outlet end cap can design flow channel more easily, with the upper intake tunnel of upper end cap and the design of exhalant canal and the working principle of plunger piston slippery boots assembly similar to Example 1, repeat no more herein.
As shown in Figure 3, water outlet end cap 40 described in the utility model embodiment is provided with the axis hole installing live axle, axis hole place is provided with bearing, axis hole in this embodiment is the second axis hole 43 in the utility model, bearing is exactly the second bearing 44, in order to water lubrication and cooling can be carried out to bearing better, the utility model embodiment covers in waterexit end and is also provided with diversion passage 42, described diversion passage 42 is communicated with the water inlet 61 of thrust plate from bearing the inner through behind bearing outer end, make current can enter into water inlet through after bearing, realize the water lubrication to bearing and cooling, play protection bearing, the effect increased the service life.
Bearing in the utility model embodiment adopts rolling bearing, and thus, the water in whole axis hole can play the effect of lubrication and cooling to rolling bearing.
Above-mentioned diversion passage can adopt but be not limited to following design proposal: as shown in figures 1 and 3, thrust plate 60 and thrust button 70 is set gradually between cylinder body and water outlet end cap, be provided with the end clearance 63 being positioned at water inlet place between described thrust plate 60 and thrust button 70, described end clearance 63 is communicated with sidepiece gap 22 between cylinder body and housing and the second axis hole 43.Thus, the water flowed out from sidepiece gap 22 can pass through end clearance 63, second axis hole 43 successively, thus realizes the Cooling and Lubricator to the second bearing 44.
As shown in Figure 3, the second above axis hole is a part for diversion passage, described current are inner through bearing outer end from bearing by this axis hole, entered into the water inlet of thrust plate by diversion passage remainder after current enter axis hole, the remainder of diversion passage can be the through hole gone out at water outlet end cap internal production herein, this through hole is communicated with the second axis hole and water inlet simultaneously, and end cap here comprises end cap body simultaneously and is installed to the water outlet body on end cap certainly.
Certainly, above-mentioned end clearance 63 is carried out except lubrication and cooling except current being guided to bearing place, end clearance 63 in the utility model embodiment is also communicated with described water inlet 61 and the sidepiece gap 22 between cylinder body and housing, water inlet 61 can be communicated with sidepiece gap 22, thus, the water flowed out from sidepiece gap 22 directly can enter into water inlet 61 by end clearance 63.
More smooth and easy in order to make into water, as shown in Figure 3, the utility model embodiment is also provided with the water inlet gap 64 being positioned at water inlet place between water outlet end cap 40 and thrust plate 60, this water inlet gap 64 is equivalent to the diversion passage not having bearing lubrication and cooling action, described water inlet gap 64 is communicated with water inlet and the sidepiece gap 22 between cylinder body and housing, thus, the water that sidepiece gap 22 is flowed out can also enter into water inlet 61 place by water inlet gap 64.
As shown in Figure 3, water inlet 61 place is directly entered in order to prevent the water in the second axis hole 43, the utility model embodiment is also provided with confining tendon 45 between water inlet gap 64 and the second axis hole 43, make the water at the second axis hole 43 place just must can enter water inlet 61 place to after bearing lubrication and cooling, ensure that the lubrication and cooling effect of bearing.Certainly, the confining tendon 45 in the utility model embodiment is preferably disposed on water outlet end cap 40, and is sealed and matched between confining tendon 45 and thrust plate 60.
Embodiment 3
The utility model embodiment provides a kind of high-pressure plunger pump, be specially a kind of water lubrication high-pressure plunger pump of lubricating bearings, as shown in Figure 1, this high-pressure plunger pump comprises the housing 10 with through hole, be provided with cylinder body 20 in through hole, described cylinder body 20 is provided with cylinder holes 21 according to circumference array, described through hole two ends are respectively equipped with intake end cover 30 and water outlet end cap 40, be provided with return plate 50 between cylinder body 20 and intake end cover 30, return plate 50 is provided with the plunger piston slippery boots assembly 51 inserted in cylinder holes; Described intake end cover 30 be provided with can with the intake tunnel 31 of ft connection, the utility model arranges intake tunnel 31 on the end cap of one end with return plate, thus can design flow channel more easily.Certainly, best mode designs respectively on two end caps by intake tunnel and exhalant canal, such as, in order to get rid of high pressure water easily, the utility model embodiment be preferably provided with on water outlet end cap 40 can with the exhalant canal 41 of ft connection.The design of concrete intake tunnel and exhalant canal and the working principle of plunger piston slippery boots assembly can reference example 1 be implemented, and repeat no more herein.
Can enter in cylinder holes to make the water of intake tunnel, the utility model embodiment is provided with thrust plate 60 and thrust button 70 between water outlet end cap and cylinder body, described intake tunnel is communicated with the water inlet 61 of thrust plate by the sidepiece gap 22 between cylinder body with housing, thus, the water of intake tunnel 31 enters into water inlet 61 place of thrust plate by sidepiece gap 22, thus enters in cylinder holes 21.
In order to drive high-pressure plunger pump work, as shown in Figure 2, the intake end cover of the utility model embodiment is also provided with the axis hole passed for live axle, axis hole place is provided with bearing, axis hole in this embodiment is the first axis hole 32 in the utility model, bearing is the clutch shaft bearing 33 in the utility model, water is introduced enclosure interior from clutch shaft bearing outer end through clutch shaft bearing the inner by described intake tunnel, thus, water needs to flow through clutch shaft bearing after entering intake tunnel 31 just can enter into high-pressure plunger pump inside, thus utilize the current realization entered to the water lubrication of clutch shaft bearing and cooling, play protection bearing, the effect increased the service life.
Reveal to prevent the water at clutch shaft bearing place, as depicted in figs. 1 and 2, the utility model embodiment is provided with the mechanical sealing assembly 80 being positioned at Bearing outer between intake end cover 30 and live axle, can be sealed by mechanical sealing assembly 80, and the axis hole place in the middle of intake end cover 30 can not leak.
Conveniently flow channel design, as shown in Figure 7 and Figure 8, clutch shaft bearing in the utility model embodiment selects sliding bearing, and the supporting surface 35 of supporting driving shaft is provided with through slot 36 on sliding bearing, the inner peripheral surface namely sliding bearing matched with live axle outer circumferential face arranges through slot 36, here through slot 36 is a part for described intake tunnel, and from bearing outer end through bearing the inner, water is introduced enclosure interior by through slot 36.
Through slot 36 in the utility model embodiment is disposed on supporting surface 35, specifically can be provided with the through slot at 3 intervals on described supporting surface.In order to ensure water lubrication and the wear resistance of sliding bearing, the sliding bearing in the utility model embodiment is made up of reinforced plastic, as PEEK (polyether-ether-ketone, English name polyetheretherketone).
Embodiment 4
The utility model embodiment provides a kind of high-pressure plunger pump of water lubrication, as shown in Figure 1, this high-pressure plunger pump comprises the housing 10 with through hole, cylinder body 20 is provided with in through hole, described cylinder body is provided with cylinder holes 21 according to circumference array, and described through hole two ends are respectively equipped with intake end cover 30 and water outlet end cap 40, are provided with return plate 50 between cylinder body 20 and intake end cover 30, described return plate 50 is provided with the plunger piston slippery boots assembly 51 inserted in cylinder holes, is provided with thrust plate 60 between cylinder body 20 and water outlet end cap 40.Conveniently flow channel design, the utility model embodiment be provided with on intake end cover 30 can with the intake tunnel 31 of ft connection, and be provided with on water outlet end cap 40 can with the exhalant canal 41 of ft connection, because intake end cover and thrust plate be not in the same side, the water entered to make intake tunnel 31 can enter cylinder holes 61 by thrust plate, as shown in Figure 5 and Figure 6, the utility model embodiment is also also provided with intercommunicating pore 23 on cylinder body 20, and described intake tunnel is communicated with the water inlet 61 of thrust plate by intercommunicating pore 23.Thus, water just can successively through the water inlet 61 of intake tunnel 31, intercommunicating pore 23, thrust plate, thus realize intake tunnel design on the end cap of rear end, facilitate and this high-pressure plunger pump is used on Handheld high-voltage injection apparatus, can carry better and install.
Intercommunicating pore 23 water out directly can be received by the direct clearance between thrust plate and thrust button and reach water inlet, certainly, the utility model embodiment also provides following scheme: as shown in Figure 3, cover in described waterexit end and be also provided with diversion passage 42, one end of described diversion passage 42 is communicated with the water inlet 61 on thrust plate, the other end is communicated with intake tunnel 31 by intercommunicating pore and sidepiece gap 22 simultaneously respectively, thus utilizes this diversion passage that current are guided to water inlet place.The design of concrete diversion passage can with reference to but be not limited to the scheme of diversion passage in embodiment 1 and embodiment 2, repeat no more herein.
Except intercommunicating pore 23, in the utility model embodiment, intake tunnel can also be communicated with the water inlet of thrust plate by the sidepiece gap 22 between cylinder body with housing, makes intake tunnel water out also can be arrived water inlet 61 place of thrust plate by this sidepiece gap 22.
After adopting the utility model embodiment, current, cooling cylinder body and plunger piston slippery boots assembly through intercommunicating pore, realize the protection to high-pressure plunger pump.In order to improve cooling effect, circumferentially direction is spaced apart with cylinder holes 21 for intercommunicating pore 23 described in the utility model embodiment, and ordinary circumstance is that circumferentially 10 holes are done in direction, and wherein 5 is intercommunicating pore, and 5 is cylinder holes, and cylinder holes and intercommunicating pore spaced apart.
In order to ensure the flow of high-pressure plunger pump, need to make cylinder holes enough large, for this reason, the aperture design of cylinder holes 21 is become to be greater than the aperture of intercommunicating pore 23 by the utility model embodiment, makes most of space on cylinder body be used in cylinder holes, guarantees its flow.Certainly when balancing cooling and flow, the aperture of intercommunicating pore 23 is 0.5 times of cylinder holes 21 aperture to 0.8 times by the utility model embodiment, general selection 0.5 times, 0.6 times, 0.7 times or 0.8 times.
Embodiment 5
The utility model embodiment provides a kind of Handheld high-voltage injection apparatus, as shown in Figure 9 and Figure 10, this high-pressure injection device comprises support 1 and holding part 2, motor 3 is provided with in support 1, this motor 3 is generally powered by TunePower or is powered by dc-battery, in order to realize the hand-held scheme of high-pressure injection device, the utility model embodiment also comprises any one high-pressure plunger pump 4 mentioned in embodiment 1 to embodiment 4, and is linked and packed with support 1 by the intake end cover 30 of above-mentioned high-pressure plunger pump 4.
Owing to the intake end cover of high-pressure plunger pump and support being linked and packed, thus make the water intake on intake end cover can be positioned at the rear end of high-pressure injection device, thus facilitate carrying and installing of high-pressure injection device.
In addition, the high-pressure plunger pump in the utility model and Handheld high-voltage injection apparatus, arrive water inlet after the water of intake tunnel is all through cylinder body, thus the water entered can be cooled cylinder body.After high-pressure plunger pump is carried out Miniaturization Design, because its size is less, integral heat sink area is also very little; easily overheated in high speed operation process; after the scheme adopting the utility model to provide, can cool cylinder body well, thus play the effect of protection high-pressure plunger pump.
The utility model embodiment is mainly used in miniaturization hydraulic equipment, especially Handheld high-voltage injection apparatus, as Handheld high-voltage fire fighting apparatus, Handheld high-voltage flushing device.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (10)
1. a high-pressure plunger pump for water lubrication, comprises the housing with through hole, is provided with cylinder body in through hole, and described cylinder body is provided with cylinder holes according to circumference array; It is characterized in that, described through hole one end is provided with intake end cover, is provided with return plate between cylinder body and intake end cover, and return plate is provided with the plunger piston slippery boots assembly inserted in cylinder holes; The described through hole the other end is provided with water outlet end cap, is provided with thrust plate between cylinder body and water outlet end cap; Described intake end cover be provided with can with the intake tunnel of ft connection, described waterexit end cover be provided with can with the exhalant canal of ft connection, described exhalant canal is communicated with the osculum on thrust plate, and described intake tunnel is communicated with the water inlet of thrust plate by the sidepiece gap between cylinder body with housing.
2. high-pressure plunger pump according to claim 1, it is characterized in that, described waterexit end covers and is also provided with diversion passage, and described one end of diversion passage is communicated with the water inlet on thrust plate, and the other end is communicated with intake tunnel by the sidepiece gap between cylinder body with housing.
3. high-pressure plunger pump according to claim 1 and 2, is characterized in that, the interior edge face of described intake end cover is inclined-plane, and described plunger piston slippery boots assembly is fitted on described inclined-plane and moves.
4. high-pressure plunger pump according to claim 1 and 2, is characterized in that, the water intake of described intake tunnel is arranged on the cylinder sidepiece of intake end cover.
5. high-pressure plunger pump according to claim 1 and 2, is characterized in that, described high-pressure plunger pump is minitype high voltage plunger pump, and described intake end cover is high-pressure plunger pump mounting end, and described water outlet end cap is the pump water end (W.E.) of high-pressure plunger pump.
6. high-pressure plunger pump according to claim 1 and 2, is characterized in that, described cylinder body is provided with intercommunicating pore vertically.
7. high-pressure plunger pump according to claim 6, is characterized in that, described intercommunicating pore and cylinder holes circumferentially direction are spaced apart.
8. high-pressure plunger pump according to claim 1 and 2, is characterized in that, described intake end cover is provided with the first axis hole passed for live axle, and the first axis hole place is provided with clutch shaft bearing, and described intake tunnel is inner through clutch shaft bearing from clutch shaft bearing outer end.
9. high-pressure plunger pump according to claim 2, is characterized in that, described waterexit end is covered with the second axis hole installing live axle, and the second axis hole place is provided with the second bearing, and described diversion passage is inner through the second bearing outer end from the second bearing.
10. a Handheld high-voltage injection apparatus, comprises support and holding part, is provided with motor in support, it is characterized in that, also comprises the high-pressure plunger pump as described in claim 1-9 any one, and intake end cover and the support of described high-pressure plunger pump are linked and packed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520051288.5U CN204627888U (en) | 2015-01-15 | 2015-01-15 | The high-pressure plunger pump of water lubrication and Handheld high-voltage injection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520051288.5U CN204627888U (en) | 2015-01-15 | 2015-01-15 | The high-pressure plunger pump of water lubrication and Handheld high-voltage injection apparatus |
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| Publication Number | Publication Date |
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| CN204627888U true CN204627888U (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520051288.5U Active CN204627888U (en) | 2015-01-15 | 2015-01-15 | The high-pressure plunger pump of water lubrication and Handheld high-voltage injection apparatus |
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| CN (1) | CN204627888U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564576A (en) * | 2015-01-15 | 2015-04-29 | 浙江沃尔液压科技有限公司 | Water-lubrication high-pressure plunger pump and handheld high-pressure jet apparatus |
| WO2016112763A1 (en) * | 2015-01-15 | 2016-07-21 | 沃尔科技有限公司 | Water-lubricated high-pressure plunger pump and handheld high-pressure jet apparatus |
| CN106121946A (en) * | 2016-08-29 | 2016-11-16 | 樱田农机科技（泰州）有限公司 | Insecticide sprayer high-pressure pump is with five cylinder plug assembly structures |
-
2015
- 2015-01-15 CN CN201520051288.5U patent/CN204627888U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564576A (en) * | 2015-01-15 | 2015-04-29 | 浙江沃尔液压科技有限公司 | Water-lubrication high-pressure plunger pump and handheld high-pressure jet apparatus |
| WO2016112763A1 (en) * | 2015-01-15 | 2016-07-21 | 沃尔科技有限公司 | Water-lubricated high-pressure plunger pump and handheld high-pressure jet apparatus |
| CN104564576B (en) * | 2015-01-15 | 2017-10-20 | 沃尔科技有限公司 | The high-pressure plunger pump and Handheld high-voltage injection apparatus of water lubrication |
| CN106121946A (en) * | 2016-08-29 | 2016-11-16 | 樱田农机科技（泰州）有限公司 | Insecticide sprayer high-pressure pump is with five cylinder plug assembly structures |
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