CN202625730U - Oil jack with pneumatic pump - Google Patents
Oil jack with pneumatic pump Download PDFInfo
- Publication number
- CN202625730U CN202625730U CN 201220188102 CN201220188102U CN202625730U CN 202625730 U CN202625730 U CN 202625730U CN 201220188102 CN201220188102 CN 201220188102 CN 201220188102 U CN201220188102 U CN 201220188102U CN 202625730 U CN202625730 U CN 202625730U
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- oil
- pneumatic
- cylinder barrel
- pump
- dredge pump
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Abstract
The utility model discloses an oil jack with a pneumatic pump. The oil jack with the pneumatic pump is characterized in that an oil pump connecting component on the lower end portion of the pneumatic pump is connected with a base seat through a screw thread pair, an outer threaded section on the upper portion of the oil pump connecting component penetrates through a middle hole in the lower portion of an air cylinder barrel and is connected with inner screw threads of a big nut in screwing mode to form a screw thread pair, the lower end surface of the big nut is enabled to be tightly pressed on a sealing gasket on the inner end surface of the air cylinder barrel, the inner end surface of the big nut is used to seal and position the upper portion of a sealing assembly which is located on the upper portion of the oil pump connecting component, an air cylinder spring and a casing-tube type positioning tube column are arranged above the big nut, a noise damping pad and a fastening screw are arranged on the lower portion of the air cylinder barrel, an annular groove which is used for containing a dynamic sealing component is arranged on the inner wall of the air cylinder barrel, a dynamic seal is formed between an inner circular hole of the dynamic sealing component and an outer circular column of a pneumatic piston, and an outer tapered body is arranged on the upper end section of the pneumatic piston. An annular air passageway for conducting dynamic air flow is arrange on an inner hole of the air cylinder barrel, a body rear seat cover of the pneumatic pump is fixedly connected with the air cylinder barrel through a screw assembly and an airtight gasket.
Description
Technical field
It can be a kind of oil jack that has pneumatic dredge pump by the oil jack of external pneumatic power source jacking weight specifically that the utility model relates in a kind of being used.
Background technology
Oil jack is as lifting kind tool commonly used, is widely used, pattern is various, wherein, adopts manual vertical oil jack usually with automobile-used heavy equipment.It should be noted that; When in the environment that oil jack is being employed if when possessing condition such as electric installation or high-pressure air source; People use electric oil pressure jack or pneumatic oil jack with pleasure; Because the efficient of this instrument jacking vehicle is higher, save trouble, save time, become automotive servicing personnel's good assistant.So, as the pneumatic power pump of butt joint oil jack, its inner structure this how to make up just just right? This is thought-provoking to the designer in this field.
Prior art shows: be that oil pump provides the supporting pneumatic dredge pump of pneumatic power generally all to possess flap behind the pneumatic dredge pump body, cylinder barrel, oil pump connector, cylinder spring, pneumatic dredge pump core and sealing member, pneumatic piston and sealing member thereof, venting valve rod, gas channel that cylinder head is relevant with each with what drive oil jack piston rod assembly jacking weight at present." the straight-line pneumatic dredge pump of oil pressure power being provided " with Chinese patent ZL03272363.6 is example, and " its major technique characteristic is between the annular groove place of piston and venting valve rod, to be provided with gas passage on the described cylinder barrel; Described back seat is provided with several deflation holes, directly imports the gas of the envelope vent plug of opening, and communicates at the deflation hole that is provided with respective numbers on passage and the cylinder head on the back seat."; " gas passage 10 " in this patent, " passage 11 " and " venting valve rod 2 ", " envelope vent plug 8 " and relevant structural element are all indispensable in this patent opinion; this also is that the present application for patent designer overcomes technological prejudice; the structural element that should be simplified in the optimal design oil jack pneumatic dredge pump, thereby becomes the important innovations point in this case design.Consider the prior art scheme of similar documents; Think: because some comparatively conservative gas dynamic theory and the actual disconnection that combines; Ignored oil jack pneumatic dredge pump factors such as " pump core stroke are shorter; bearing area is less " in the moving pumped core process of pump, put undue emphasis on the smooth and easy just certain power gas that adopts differential type venting valve to make and constantly pour in the pneumatic dredge pump inlet chamber that under the promotion of cylinder spring force, will realize the displacement of pneumatic dredge pump pump core return piston stroke and discharged fully in time.That kind, the design of air intake pump are just done comparatively complicatedly, structural machinability is poor, tooling cost is high, and cylinder piston is blocked in addition in actual use, the unlatching of differential aie escape valve is untimely etc. all can directly influence the normal use of pneumatic oil jack.
Summary of the invention
The purpose of the utility model is the deficiency to above-mentioned prior art situation; A kind of new pneumatic dredge pump formula oil jack is proposed; On conventional confguration pneumatic dredge pump architecture basics; Reduce a plurality of composition elements and dependency structure key element, both reduced the complexity and the structural manufacturing process cost of product, do not lose again cylinder piston in the high speed crank motion pneumatic dredge pump core to the jacking oil pump oil suction, press the accurate realization of oily process.
The above-mentioned purpose of the utility model realizes through following technical proposals: a kind of oil jack that has pneumatic dredge pump; Comprise base member, cylinder part, piston rod part, top cap member, outer casing part, oil cabinet, manual pump parts, pneumatic dredge pump parts; It is characterized by: the oil pump connector in the bottom of pneumatic dredge pump parts is implemented to connect with base member with screw thread pair; Oil pump connector upper external thread section penetrates within cylinder barrel bottom mesopore and the big nut screw thread and forms screw thread pair and screw; Make the big nut lower surface compress the packing seal that is arranged on the cylinder barrel inner end surface, the big nut inner end surface will be positioned at the shutoff location, poted assemblies top on oil pump connector top; The big nut top is provided with cylinder spring and telescoping location tubing string thereof; Be provided with damping silencing pad and holding screw in the bottom of cylinder barrel, offer the circular groove that holds the dynamic seal part on the cylinder barrel inwall, cylinder formation motion sealing outside circular hole and the pneumatic piston within this dynamic seal part, the upper end section of pneumatic piston is provided with Outer Taper; On the cylinder barrel endoporus, be provided with the annular air channel of conducting dynamic air-flow; The pneumatic dredge pump parts make through screw assembly, air packing that flap and cylinder barrel connect firmly behind the body.
Wherein, be provided with first outlet passageway and second outlet passageway on the body top of cylinder barrel;
Wherein, pneumatic piston is the engineering plastics spare of injection mo(u)lding, and embedded with metal spare is directly become one with pneumatic piston in injection mould when injection moulding;
Wherein, be provided with the gap bridge tapped bore among the embedded with metal spare, the center is one can hold the location blind hole of pump core print;
Wherein, the external cylindrical surface of the pump core print of pneumatic oil pressure pump core is shaped on the gap bridge outside thread that can form screw thread pair with the gap bridge tapped bore;
Wherein, the top of flap is provided with the power gas source access port behind body;
Wherein, the lower left side of cylinder barrel is provided with the holding screw that combines with screw thread pair, makes the damping silencing pad of being pressed push down first silencers channel and second silencers channel.
The beneficial effect that the utility model compared with prior art has is: the pneumatic dredge pump of optimization is simple in structure, function definite, infrastructure cost is lower, and market competition inside and outside the product large-scale production participating country is had bigger contribution.
Description of drawings
The description of drawings of embodiment:
Shown in Figure 1 is the front view of the utility model technical scheme;
Fig. 2 is the birds-eye view after the relative Fig. 1 of the utility model removes first extension spring, second extension spring and induction tract assembly;
Fig. 3 is that the relative Fig. 1 of the utility model amplifies " B-B " cutaway view;
Fig. 4 is that the relative Fig. 1 of the utility model amplifies " G-G " cutaway view;
Fig. 5 is the utility model " A-A " cutaway view on Fig. 2;
Fig. 6 is that the utility model amplifies " C-C " cutaway view on Fig. 1;
Fig. 7 is that the utility model amplifies " F-F " cutaway view on Fig. 2;
Fig. 8 is that the utility model amplifies " E-E " cutaway view on Fig. 2;
Fig. 9 is that the utility model amplifies " D-D " cutaway view on Fig. 2;
Figure 10 is that the utility model ratio on Fig. 5 is 2: 1 partial enlarged drawing I.
The parts title is following shown in each label of accompanying drawing:
1 base member, 2 cylinder components, 3 piston rod assemblies, 4 top cap assemblies, 5 outer jacket members, 6 oil cabinets, 7 manual pump assemblies; 8 pneumatic dredge pump parts, 9 oil pump connectors, 10 pump housing connector upper external thread sections, 11 cylinder barrels, 12 cylinder barrel bottom mesopores, 13 big nuts, 14 packing seals; 15 big nut inner end surfaces, 16 poted assemblives, 17 cylinder springs, 18 telescopings location tubing string, 19 damping silencing pads, 20 holding screws, 21 first outlet passageways; 22 second outlet passageways, 23 dynamic seal parts, 24 pneumatic pistons, 25 embedded with metal spares, 26 gap bridge tapped bore, 27 blind holes, 28 pump core prints; 29 pneumatic oil pressure pump cores, 30 gap bridge outside threads, 31 annular air channels, 32 air packings, flap behind 33 bodies, 34 screw assemblies, 35 power gas source access ports; 36 first extension springs, 37 second extension springs, 38 induction tract assemblies, 39 manual pump chambers, 40 first oil suction lines, 41 first oil sucting one-way valves; 42 oil cylinder working oil chambers, 43 first press oil circuit, and 44 first press oily check valve, 45 pneumatic dredge pump oil pump chambeies, 46 second oil suction lines, 47 second oil sucting one-way valves; 48 the 3rd oil suction lines, 49 second press oil circuit, and 50 second press oily check valve, and 51 the 3rd press oil circuit, and 52 the 4th press oil circuit, 53 oil circuits; 54 safe pressure regulating valves, 55 first oil return circuits, 56 spring cavitys, 57 fuel-return valve oil circuits, 58 fuel-return valves, 59 oil return valve pockets; 60 second oil return circuits, 61 first silencers channels, 62 second silencers channels, 63 cylinder spring cavitys, 64 Outer Taper, 65 work air chambers.
The specific embodiment
Accompanying drawing below in conjunction with embodiment is done further to describe to the utility model, will help the understanding to this case technology contents and effect, but embodiment does not constitute the restriction to the present technique scheme.
Visible by each accompanying drawing of embodiment, air driven pump parts 8 are applied to manual vertical hydraulic jack, and air driven pump parts 8 tops are provided with admission line assembly 38, and its oil pump connector 9 is implemented and being fixedly connected of the base member 1 of hydraulic jack by screw thread pair; Base member 1 is provided with first oil suction line 40 and first oil sucting one-way valve 41 of complete connection accumulator 6 and manual pump chamber 39, is provided with first of manual pump chamber 39 of complete connection and oil cylinder working oil chamber 42 and presses oil circuit 43 and first to press oily check valve 44; Be provided with second oil suction line 46, second oil sucting one-way valve 47 and the 3rd oil suction line 48 in the air driven pump oil pump chamber 45 of complete connection accumulator 6 and air driven pump parts 8; Being provided with second of complete connection oil cylinder working oil chamber 42 and air driven pump oil pump chamber 45 presses oil circuit 49, second to press oily check valve the 50, the 3rd to press oil circuit the 51, the 4th to press oily oil circuit 52; But and, in the spring cavity 56 of this safe pressure regulator valve 54, offer first oil return circuit 55 that leads to accumulator 6 at the 3rd safe pressure regulator valve 54 that is provided with preset valve port opening pressure on the oil circuit 53 that props up of pressing oil circuit 51; On base member 1, be provided with the oil return valve oil circuit 57 that is communicated with oil cylinder working oil chamber 42 again, in the oil return valve pocket 59 of oil return valve 58, be provided with second oil return circuit 60 that is communicated with accumulator 6; Cylinder component 2 is implemented fixed connection with base member 1 with screw thread pair; The interior cylindrical hole of the piston head outside cylinder of piston rod assembly 3 and cylinder component 2 is implemented matched in clearance; Cylinder enforcement matched in clearance outside cylindrical hole and the piston rod assembly 3 within the top cap assembly 4; The head external screw thread of screw thread and cylinder component 2 screws within the top cap assembly 4, simultaneously with the cannelure plane of the shaft shoulder of top cap assembly 4 and base member 1 with outer jacket member about in the of 5 both ends of the surface compress formation accumulator 6 hermetically; Between piston rod assembly 3 tops and base member 1, connected firmly the extension spring device of symmetry in groups, the left side is first extension spring 36, and the right side is second extension spring 37.
Because the utility model embodiment is that configuration pneumatic dredge pump parts 8 form on the vertical oil jack of conventional confguration basis, so the specific technological emphasis that just become the application case of pneumatic dredge pump parts 8 in the utility model embodiment.
The lower left side of cylinder barrel 11 is provided with the holding screw 20 that combines with screw thread pair, makes the damping silencing pad 19 of being pressed push down first silencers channel 61 and second silencers channel 62; End face offers cylinder barrel bottom mesopore 12 under the cylinder barrel 11; The pump housing connector upper external thread section 10 of oil feed pump connector 9 penetrates wherein; And screw into screw thread pair with the negative thread of big nut 13; End face compression seal pad 14 under the big nut 13 after screwing, and 15 shutoff of big nut inner end surface poted assemblies 16, make outside the pneumatic oil pressure pump core 29 within circle and the pneumatic dredge pump oil pump chamber 45 face of cylinder form leak free and rotate moving sets; In the cylinder spring cavity 63 of big nut 13 tops; Hold to go into telescoping location tubing string 18 and cylinder spring 17; Offer gap bridge outside thread 30 on the pump core print 28 at the top of pneumatic oil pressure pump core 29; The centre that is positioned at the embedded with metal spare 25 that connects firmly with pneumatic piston 24 is provided with gap bridge tapped bore 26 and blind hole 27; Head falls into blind hole 27 fully through the gap bridge outside thread 30 precession gap bridge tapped bore 26 of pump core print 28 on the pneumatic oil pressure pump core 29, with reach implement pressing down of 24 pairs of pneumatic oil pressure pump cores 29 of pneumatic piston press oil and on draw the purpose of oil-absorbing mechanical attachment; Outside cylinder barrel 11, offer first outlet passageway 21 and second outlet passageway 22 on the inwall of cylinder spring cavity 63 with connecting and above said first outlet passageway 21 and second outlet passageway 22, be provided with annular air channel 31 and the seal groove that holds dynamic seal part 23 respectively; Outside the pneumatic piston 24 within cylinder and the dynamic seal part 23 within hole, the cylinder spring cavity 63 hole be combined into the rotation moving sets, the upper end section of pneumatic piston 24 is provided with Outer Taper 64; With screw assembly 34 with the pneumatic dredge pump body after flap 33, air packing 32 connect firmly end on cylinder barrel 11 hermetically, form complete pneumatic dredge pump parts 8; Flap 33 tops are provided with power gas source access port 35 behind the pneumatic dredge pump body.
Narration is omitted in use to traditional manual type oil jack structure division among the utility model embodiment; Only hoist piston rod assembly 3 or loaded article of pneumatic enforcement done an explanation at this: the fuel-return valve 58 of at first screwing; With the induction tract assembly 38 correct pneumatic dredge pump parts 8 that insert; Make high pressure gas importing work air chamber 65; The upper surface of pneumatic piston 24 and Outer Taper 64 thereof receive the promotion of high pressure gas; Overcome the resistance of cylinder spring 17; Promote pneumatic oil pressure pump core 29 downwards---make the hydraulic oil in the pneumatic dredge pump oil pump chamber 45 press oil circuit the 52, the 3rd to press oil circuit 51, second to press oily check valve 50, second to press oil circuit 49 to get into oil cylinder working oil chamber 42 by way of the 4th; After cone 64 is moved to annular air channel 31 outside the pneumatic piston 24; The high pressure gas of work in the air chamber 65 begins to discharge until first outlet passageway 21 and second outlet passageway 22 to annular air channel 31 ascendingly, thereby pneumatic piston 24 downward pressure oil kinematic velocitys are slowed down, and pushed back by the bounce of cylinder spring 17 and causes line displacement on the pneumatic oil pressure pump core until pneumatic piston 24---and make hydraulic oil in the oil cabinet 6 by way of second oil suction line 46, second oil sucting one-way valve 47, the 3rd oil suction line 48 entering pneumatic dredge pump oil pump chambeies 45; When high-pressure air source promotion pneumatic piston 24 presses down; Just again implement the pressure oil in the pneumatic dredge pump oil pump chamber 45 is pressed into the motion process of oil cylinder working oil chamber 42, reciprocation cycle is operated pneumatic oil pressure pump core 29 like this, makes piston rod assembly 3 in the jack oil cylinder component 2 carry on a shoulder pole institute's loads and constantly hoists.If when surpassing the preset numerical value of safe pressure regulating valve 54 like the operating oil pressure of hydraulic efficiency pressure system; The safe pressure regulating valve 54 that is positioned on the oil circuit 53 will be opened valve automatically, makes fluid before getting into the oily check valve 50 of second pressure, just get into oil cabinet 6 by way of first oil return circuit 55 that is communicated with spring cavity 56; The said jack of this case be used finish after; Manually unclamp fuel-return valve 58; High pressure oil in the oil cylinder working oil chamber 42 just gets into oil cabinet 6 through fuel-return valve oil circuit 57, second oil return circuit 60, and the piston rod assembly 3 in the cylinder component 2 just is reset to extreme lower position downwards under the tension of first extension spring 36 and second extension spring 37.
Claims (7)
1. oil jack that has pneumatic dredge pump; Comprise base member, cylinder part, piston rod part, top cap member, outer casing part, oil cabinet, manual pump parts, pneumatic dredge pump parts; It is characterized by: the oil pump connector (9) in the bottom of pneumatic dredge pump parts (8) is implemented to connect with the same base member of screw thread pair (1); Oil pump connector upper external thread section (10) penetrates within cylinder barrel (11) bottom mesopore (12) and the big nut (13) screw thread and forms screw thread pair and screw; Make big nut (13) lower surface compress the packing seal (14) that is arranged on cylinder barrel (11) inner end surface, big nut inner end surface (15) will be positioned at the shutoff location, poted assemblies (16) top on oil pump connector (9) top; Big nut (13) top is provided with cylinder spring (17) and telescoping location tubing string (18) thereof; Be provided with damping silencing pad (19) and holding screw (20) in the bottom of cylinder barrel (11); Offer the circular groove that holds dynamic seal part (23) on the cylinder barrel inwall; Cylinder formation motion sealing outside circular hole and the pneumatic piston (24) within this dynamic seal part (23), the upper end section of pneumatic piston (24) is provided with Outer Taper (64); On cylinder barrel (11) endoporus, be provided with the annular air channel (31) of conducting dynamic air-flow; Flap (33) connected firmly with cylinder barrel (11) after pneumatic dredge pump parts (8) made body through screw assembly (34), air packing (32).
2. the oil jack that has pneumatic dredge pump according to claim 1 is characterized in that: be provided with first outlet passageway (21) and second outlet passageway (22) on the body top of cylinder barrel (11);
3. the oil jack that has pneumatic dredge pump according to claim 1 is characterized in that: pneumatic piston (24) is the engineering plastics spare of injection mo(u)lding, and embedded with metal spare when injection moulding (25) is directly become one with pneumatic piston (24) in injection mould;
4. the oil jack that has pneumatic dredge pump according to claim 1 is characterized in that: be provided with gap bridge tapped bore (26) among the embedded with metal spare (25), the center is one can hold the location blind hole (27) of pump core print (28);
5. the oil jack that has pneumatic dredge pump according to claim 1 is characterized in that: the external cylindrical surface of the pump core print (28) of pneumatic oil pressure pump core (29) is shaped on the gap bridge outside thread (30) that can form screw thread pair with gap bridge tapped bore (26);
6. the oil jack that has pneumatic dredge pump according to claim 1 is characterized in that: the top of flap behind body (33) is provided with power gas source access port (35);
7. the oil jack that has pneumatic dredge pump according to claim 1; It is characterized in that: the lower left side of cylinder barrel (11) is provided with the holding screw (20) that combines with screw thread pair, makes the damping silencing pad (19) of being pressed push down first silencers channel (61) and second silencers channel (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220188102 CN202625730U (en) | 2012-04-28 | 2012-04-28 | Oil jack with pneumatic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220188102 CN202625730U (en) | 2012-04-28 | 2012-04-28 | Oil jack with pneumatic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202625730U true CN202625730U (en) | 2012-12-26 |
Family
ID=47378950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220188102 Withdrawn - After Issue CN202625730U (en) | 2012-04-28 | 2012-04-28 | Oil jack with pneumatic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202625730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616697A (en) * | 2012-04-28 | 2012-08-01 | 常熟通润汽车零部件股份有限公司 | Oil jack with pneumatic pump |
-
2012
- 2012-04-28 CN CN 201220188102 patent/CN202625730U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616697A (en) * | 2012-04-28 | 2012-08-01 | 常熟通润汽车零部件股份有限公司 | Oil jack with pneumatic pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121226 Effective date of abandoning: 20140423 |
|
| RGAV | Abandon patent right to avoid regrant |