CN2200704Y - Two-purpose oil hydraulic pump with hand-operation and pneumatic - Google Patents

Abstract

The utility model relates to a two-purpose oil hydraulic pump with hand operation and pneumatic operation, particularly a common oil pressure unit design. The base of an oil pressure pump is respectively provided with a pneumatic pump and a hand pump which are respectively controlled by a unidirectional valve gate group. Hydraulic oil goes into an external connected oil pressure cylinder device through a high pressure soft pipe. The common oil pressure unit is formed in the way that mainly, a pneumatic pump chamber and a hand pump chamber which are mutually communicated are respectively arranged in an oil inlet path, so as to respectively arranging a unidirectional valve gate group, wherein, the two unidirectional valve gates are both molded in modularity. An oil outlet is communicated with the oil outlet of the hand pump and the oil outlet of the pneumatic pump at the same time. The oil outlet extends to a high pressure soft pipe which is for externally connecting with a pressure cylinder device.

Description

Two-purpose oil hydraulic pump with hand-operation and pneumatic

The utility model step and the design of a kind of hand-operated pneumatic double-purpose oil pressure pump refer to a kind of oil pressure pump that manually reaches pneumatic operation and have common oil pressure unit that cooperates especially.

Traditional hydraulic jack, be to form in conjunction with a pump and an oil hydraulic cylinder, and recent development trend, for cooperating the demand in various work kenels or the running, so jack is divided into two, and with a high pressure hose two basic pumps are connected with the oil hydraulic cylinder facility and constitute more complicated pressurized oil system, this oil hydraulic cylinder is because of directionless restriction, so it can be installed on the steelframe of various special kenels and be engaged in specific work, for example: oil pressure drawbench, oil pressure tube bender, oil pressure maintenance facility and oil pressure H type press or the like various uses field.Thought is at the operation of oil pressure pump, still have only and manually reach two pneumatic big kinds, and the manually operated type oil pressure pump is the operation that cooperates a wind, so that hand pump produces the effect that sinks, extrudes hydraulic oil, degree that though this kind manually operated type oil pressure pump is simple in structure and easy fine tune rises, but, dislike eventually wasting time and energy, and the speed that rises is also extremely slow with hand application of force operation.Again, another kind of pneumatic oil pressure pump, adopt pneumatic mode to order about the work that pump sinked, extruded hydraulic oil, it is time saving and energy saving that this kind no doubt claims, and the speed that rises is fast, but because of rising too fast so that can't accurately bestowing fine setting control, so may not accord with actual required to the greatest extent, no matter be with the traditional oils press pump manual or pneumatic structure, excellent lack, all arranged mutually, both sometimes and fail to substitute mutually, only for the user, or, share but consider apparent non-economy in the overall efficiency aspect because of requirements of one's work must possess this two kinds of oil pressure pumps simultaneously.

Main purpose of the present utility model, it is the design that is to provide a kind of hand-operated pneumatic double-purpose oil pressure pump, be to make the strike the oil road in the oil pressure pump base establish a pneumatic and syringe chamber that communicates respectively, for inserting a modular one-way cock group respectively, can cooperate whereby and select pneumatic or syringe is engaged in sinking of hydraulic oil, extrude action, this oil outlet pneumatic or syringe is common and meets again, and extend to a high pressure hose socket and the pump oil work of mate-assist oil hydraulic cylinder facility device, so form, can select according to actual demand manually or pneumatic operation for the user, its utilization is very flexible, the speed of not only having is convenient to the two-fold advantage of finely tuning soon, and seems quite economical and suit practicality.

A kind of hand-operated pneumatic double-purpose oil pressure pump provided by the utility model, comprise that an oil groove, a base, a wind and a pneumatic motor form, this wind one end is provided with a hand pump can be incorporated into base, and the pneumatic pump of pneumatic motor one end also is incorporated into base, and this base then is fixedly arranged on oil groove one end; Base, offer a strike the oil road that communicates with oil groove in chosen place, this strike the oil road is respectively equipped with a pneumatic pump chamber that can communicate and a syringe chamber in passage, and insert a modular one-way cock group respectively, and the oil outlet of pneumatic pump chamber and syringe chamber, be to extend common and join and form an oil road, also can be in oil road in conjunction with a socket, so that this socket can supply a high pressure hose to join and cooperate the external of oil hydraulic cylinder facility to link to each other, the auxiliary whereby pump oil of being engaged in is worked.

Advantage of the present utility model is to provide a kind of design of hand-operated pneumatic double-purpose oil pressure pump, this modular one-way cock group not only fit on is extremely simple and easy convenient, and can put in order group changes and the maintenance easily of the tool utmost point, also easily arbitrarily adjusted change owing to establish a safety valve in the one-way cock group simultaneously, so quite hidden safety by other people.

Following conjunction with figs. describes embodiment of the present utility model in detail:

Figure 1 shows that combination stereo appearance figure of the present utility model.

Figure 2 shows that exploded perspective view of the present utility model.

Figure 3 shows that combination section of the present utility model.

Figure 4 shows that oil pressure unit of the present utility model constitutes schematic representation.

As shown in Figures 1 and 2, composition of the present utility model is to comprise: an oil groove 1, a base 2, a wind 3 and a pneumatic motor 4, these wind 3 one ends are provided with a hand pump 31 can be incorporated into base 2, and being provided with a pneumatic pump in also, pneumatic motor 4 one ends are incorporated into base 2, this pneumatic pump is configured to identical with described syringe 31, so only just manual pump 31 is disclosed among the figure, precisely because in:

Oil groove 1 is established an oil supply hole in outer wall, and with an embolism 11 shutoff, as shown in Figure 3, this oil groove 1 end has a lid 12, and with a stationary axle bolt 13 oil groove 1 is locked between lid 12 and the base 2, and only this is identical with commonly using, and does not give unnecessary details in addition in this;

Base 2, be to be fixedly arranged on oil groove 1 one ends, offer a strike the oil road 21 in chosen place, make that this strike the oil road 21 is to communicate with oil groove 1, it can be provided with a filter screen 211 in port end, and be respectively equipped with the pneumatic pump chamber 22 and the syringe chamber 23 that can communicate in the passage in this strike the oil road 21, and insert a modular one-way cock group 24 respectively, 25, and the oil outlet 221 of this pneumatic pump chamber 22 and syringe chamber 23,231 extend and are common junction and form an oil road 26, make this oil road 26 be connected with a high pressure hose socket 27, with this socket 27 can be for a high pressure hose 28 joins with external oil hydraulic cylinder facility (because of belonging to known utilization category, so do not show among the figure) link to each other, can assist the oil hydraulic cylinder facility to be engaged in the work of pump oil whereby, this base 2 is in a side and offer one and discharge oil duct 291 again, and is provided with a relief valve 29 outward and discharges the release of oil duct 291 with control or close;

Wind 3, with commonly use quite, all be an end in conjunction with a pump 31 to be located at the hand pump chamber 23 of base 2, this pump 31 be placed in a fixed plate 32 and with fixing pin 33 run through the folder establish, and pump 31 is through a support screw cap 34, and cooperates a packing ring 35 and an oil sealing 36 to lock the syringe chamber 23 of oil groove base 2;

Pneumatic motor 4, be to belong to the scope of commonly using, do not state in addition in this, and wherein an end of pneumatic motor 4 also has a pneumatic pump to be locked on another pneumatic pump chamber 22 of oil groove base 2 to cooperate a support screw cap 44, a packing ring 45 and an oil sealing 46, its structure is about identically with syringe, only is the difference of hand or pneumatic mode;

Again, described one- way cock group 24 or 25, as shown in Figure 4, it is all made with the modular moulding and makes body be a barrel mast shape, stack shell has a ring groove 241(251), and end face is to offer two one-way valve aperture of door 242(252), 243(253), wherein an one-way valve aperture of door 242 enters hole 242 ' be the wall of being located at ring groove 241, another one-way valve aperture of door 243(253) then connects the stack shell two ends, the end offers a safe valve opening 244(254 in addition again), make this safety valve 244(254) portal (254 ') be to be positioned at ring groove 241(251) selected wall, in addition, each one-way valve aperture of door 242(252), 243(253) and safe valve opening 244(254) in all have spring and block bead etc. and commonly use assembly (figure show), this safe valve opening 244(254 only) set spring strength must be suitably greater than another one-way valve aperture of door 243(253) spring strength, in order to do in this one-way valve aperture of door 243(253) being obstructed in the time of can't circulating can be via safety valve opening 244(254) unlatching and make hydraulic oil follow former oil circuit to return oil groove 1.

The as above manual oil pressure pump of Gou Chenging, can provide the user to select to work to be engaged in pump oil with manual or pneumatic operation, no matter only adopt manual or pneumatic drive mode, still must lock relief valve 29 in advance, when adopting pneumatic operation, promoting pneumatic pump in motor is to-and-fro motion, be that may command oil groove 1 interior hydraulic oil sinks pneumatic pump chamber 22, this moment, hydraulic oil riddled the ring groove 241 of one-way cock group 24, and advance hole 242 ' enter one-way valve aperture of door 242 along ring scrobicular ring 241, can be again flow into oil roads 26 and the socket 27 that arrives, enter oil hydraulic cylinder facility (not shown) by 28 of the external high pressure hoses of this socket 27 and be engaged in the work of service pump oil from another one-way valve aperture of door 243.In like manner, when selecting to adopt manually-operable, promptly utilize wind 3 up and down reciprocatingly to swing, to affect syringe 31 that the hydraulic oil in the oil groove 1 is sinked syringe chamber 23, this hydraulic oil riddles the ring groove 251 of one-way cock group 25 immediately, and enter one-way valve aperture of door 252,253 in regular turn and flow into oil road by the hole of advancing on ring groove 251 walls, in order to do can be through socket 27 and high pressure hose 28 for external oil hydraulic cylinder facility service pump oil.

Above-mentioned one- way cock group 24,25, the spring strength of set safety valve is because of suitably greater than another one-way valve aperture of door 243(253), be with, this safety valve perseverance is unaffected for closing in the action of normal pump oil, only when the resistance of oil road 26 phosphines can't pumps hydraulic oil, then its pressure will increase suddenly, hereat, this safety valve promptly promotes to open because of pressure, make hydraulic oil from safety valve opening 244(254) through portalling (254 ') still flow back to ring groove 241(251) and return to oil groove 1, so can prevent the excessive assembly that undermines of oil pressure.

Claims (1)

1. A kind of hand-operated pneumatic double-purpose oil pressure pump, comprise that an oil groove 1, a base 2, a wind 3 and a pneumatic motor 4 form, these wind 3 one ends are provided with a hand pump 31 can be incorporated into base 2, and the pneumatic pump of pneumatic motor 4 one ends also is incorporated into base 2, and 2 of this bases are fixedly arranged on oil groove 1 one ends; It is characterized in that:

   Base 2, offer a strike the oil road 21 that communicates with oil groove 1 in chosen place, this strike the oil road 21 is respectively equipped with the pneumatic pump chamber 22 and the syringe chamber 23 that can communicate in passage, and insert a modular one-way cock group 24,25 respectively, and pneumatic pump chamber 22 is to extend common and formation one oil road 26 of joining with the oil outlet 221,231 of syringe chamber 23, also can be in oil road 26 in conjunction with a socket 27, so that this socket 27 can cooperate the external of oil hydraulic cylinder facility to link to each other for a high pressure hose 28 joins, the auxiliary whereby pump oil of being engaged in is worked.

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