CN201473266U - Vertical and horizontal convertible oil jack - Google Patents
Vertical and horizontal convertible oil jack Download PDFInfo
- Publication number
- CN201473266U CN201473266U CN2009203036048U CN200920303604U CN201473266U CN 201473266 U CN201473266 U CN 201473266U CN 2009203036048 U CN2009203036048 U CN 2009203036048U CN 200920303604 U CN200920303604 U CN 200920303604U CN 201473266 U CN201473266 U CN 201473266U
- Authority
- CN
- China
- Prior art keywords
- oil
- pump
- cylinder body
- communicated
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a lifting tool, particularly to a vertical and horizontal convertible oil jack which solves the technical problem that the jack in the prior art usually can only work in the vertical direction, and in practical use, use under overload by the operator is difficult to control, which causes serious damage to the jack and fails to ensure the safety and reliability of the operation. The oil jack comprises a cylinder body; a plunger is arranged in the cylinder body; a plug is connected at the top part of the plunger; the cylinder body is connected with an oil pump stand on which a pump shell is connected; one end of the pump shell is communicated with the interior of the cylinder body through an oil way; a pump core is arranged in the pump shell and a pump core knob is connected at the top end of the pump core; a cam which can push the pump core knob to move left and right is arranged in the pump core knob; the cam is hinged on the oil pump stand and is connected with a handle; an oil tank is arranged in the pump shell and is communicated with the pump shell; the interior of the cylinder body is communicated with the oil tank; and the pump shell is further communicated with an overflow valve.
Description
Technical field
The utility model relates to a kind of lifting gear, especially relates to a kind of to the isostructural improvement of horizontal-vertical double-purpose oil jack.
Background technology
Manually oil jack is a kind of light-duty lifting gear, characteristics energy horizontal-vertical double-purpose, and compact conformation, easy to maintenance.Be applicable to the usefulness of project installation, the main equipment that keeps in repair, hoists or descend and various weight work such as industry, traffic, building.Chinese patent discloses a kind of Portable Automatic oil jack (Granted publication number: CN 2272432Y), it comprises the top, seal ring, the top cap, overcoat, oil cylinder, piston rod, piston, base, the oil return valve rod, the pump housing, the pump heart, vital partss such as dust ring, the pump housing and the pump heart constitute a plunger reciprocating pump, power fluid is stored in the overcoat, piston and piston rod are positioned at oil cylinder, all part is installed on the base, three oil ducts are arranged in the base, article one, be communicated with overcoat and the plunger pump that stores power fluid,, a connection plunger pump and an oil cylinder, another is communicated with oil cylinder and overcoat, it is back oil road, it also comprises a compression spring, electric machine support, miniature electric motor, eccentric wheel or cam, compression spring are installed in the spring perch of pump housing upper end, and electric machine support is positioned at plunger pump one side, install on the motor shaft and make the reciprocating eccentric wheel of the pump heart, eccentric wheel be positioned at the pump heart directly over, remain tangently with the last plane of the pump heart, its maximum eccentricity equals the reciprocating travel of the pump heart just; Perhaps on the motor shaft cam is installed, this cam be positioned at the pump heart directly over, remain tangently with the last plane of the pump heart, its cam maximum lift equals the reciprocating travel of the pump heart just.But the jack of this structure generally can only be at a vertical enterprising line operate of direction, and in actual use, the overload that is difficult to control operation person is used, and the badly damaged phenomenon of the product that causes can't be accomplished the safe reliability of operating.
The utility model content
The utility model technical issues that need to address provide a kind of horizontal-vertical double-purpose oil jack, it mainly is that solution existing in prior technology jack generally can only be at a vertical enterprising line operate of direction, and in actual use, the overload that is difficult to control operation person is used, the badly damaged phenomenon of the product that causes can't be accomplished the technical matters of the safe reliability of operating etc.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals:
Horizontal-vertical double-purpose oil jack of the present utility model, comprise cylinder body, be provided with plunger in the cylinder body, plunger head is connected with the top, it is characterized in that described cylinder body is connected with the oil pump frame, be connected with pump case on the oil pump frame, pump case one end is communicated with by in oil circuit and the cylinder body, is provided with the pump core in the pump case, pump core end is connected with pump core joint, be provided with the cam that can promote its side-to-side movement in the pump core joint, cam is hinged on the oil pump frame by axle, and cam is connected with handle; Be communicated with fuel tank by oil pipe in the pump case, be communicated with fuel tank by oil return valve rod, oil pipe in the cylinder body, pump case also is communicated with by pass valve by oil circuit, by pass valve comprises valve body, is connected with the by pass valve governing screw in the valve body, and governing screw inside has the overflow oil circuit, governing screw the inner is provided with overflow and consigns, overflow is connected with the steel ball that can seal or open the overflow oil circuit on consigning, and is connected with constant tension spring between overflow consignment and the valve body, has on the valve body to overflow back oilhole and be communicated with the overflow oil circuit.Structure of the present utility model is comparatively compact, all can use on the upright both direction that crouches.By pressing down handle, can drive the cam rotation, withstand pump core joint then and move forward, thereby the pump core that connects thereon also moves forward, and pressure oil is pressed onto in the cylinder body, thereby make plunger rise, finish the work on top.
Special a kind of hard alloy, the rolling device of the simple and easy practicality that duplex bearing supports, behind the thick fine limit work of lathe, the operation of employing secondary rolled, improved the utility model inboard wall of cylinder block roughness of surface, it is reached and surpass the requirement of former inboard wall of cylinder block below 0.4, prolonged the service life of cylinder body and plunger greatly.Adopt advanced tailstock copying system, realize power feed cutting top and the big sphere of plunger, the raising arc accuracy has been realized general technology be beyond one's reach high precision, high efficiency technical matters.The plunger inner structure adopts relatively reasonably strengthening rib structure, and under identical materials weight, actv. has prevented the plunger distortion.Install the overflow overpressure protection apparatus additional at valve inner, significantly reduced the maintenance rate of product, made the horizontal-vertical double-purpose oil jack, accomplished the safe reliability of using.
As preferably, the junction of described cylinder body and pump case is connected with inlet valve and delivery valve, and inlet valve is communicated with oil pipe, and delivery valve is communicated with oil circuit on the cylinder body.The valve body of inlet valve and delivery valve can be to make integral body, assembles more conveniently like this, and inlet valve and delivery valve all are made up of spring and steel ball.
As preferably, described fuel tank is located at the side of cylinder body, and its two oil pipes that are communicated with oil return valve rod, pump case are looped around the outside of cylinder body, and this spline structure is comparatively compact, and volume is less.The middle part of oil pipe can be by the stent support that is connected outer surface of cylinder block.
As preferably, be provided with the ram that can allow pump core joint slide in the described oil pump frame, an end of ram is provided with the adjusting top board, regulates top board and is connected with governing screw, and governing screw is installed on the oil pump frame.The turn governing screw can be regulated the position of pump core joint in ram.
As preferably, described handle is made up of upper handle and lower handle, is connected by tie bolt between upper handle and the lower handle, and lower handle is connected on the cam by lift.Handle is made up of two parts, can convenient for maintaining changes, and only need change appropriate section during damage and get final product, and according to the size of power, also can arbitrarily change the upper handle of different length.
Characteristics such as therefore, the utlity model has has increased the inboard wall of cylinder block degree of finish, has prolonged the product durability, and actv. increases the self-locating function of former spherical structure, has strengthened product safety in utilization and reliability, and is simple and reasonable for structure.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Accompanying drawing 2 is plan structure scheme drawings of Fig. 1;
Accompanying drawing 3 is plan structure scheme drawings of by pass valve;
Accompanying drawing 4 is structure for amplifying scheme drawings of inlet valve and delivery valve.
Parts, position and numbering among the figure: cylinder body 1, plunger 2, top 3, oil pump frame 4, pump case 5, pump core 6, pump core joint 7, cam 8, handle 9, oil pipe 10, fuel tank 11, oil return valve rod 12, valve body 13, by pass valve governing screw 14, overflow oil circuit 15, overflow consign 16, steel ball 17, constant tension spring 18, overflow back oilhole 19, inlet valve 20, delivery valve 21, ram 22, regulate top board 23, governing screw 24, lift 25.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: the horizontal-vertical double-purpose oil jack that this is routine, as Fig. 1, Fig. 2, a cylinder body is arranged, be provided with plunger 2 in the cylinder body, the plunger inwall is provided with strengthening rib, and plunger head is connected with top 3.Be connected with fuel tank 11 and oil pump frame 4 on the cylinder body, be connected with pump case 5 on the oil pump frame, as Fig. 4, pump case 5 is connected with inlet valve 20 and delivery valve 21 with the junction of cylinder body 1, inlet valve 20 be communicated with fuel tank 11 by oil pipe 10, delivery valve 21 is communicated with oil circuit on the cylinder body.Be provided with pump core 6 in the pump case, pump core 6 ends are connected with pump core joint 7, are provided with the ram 22 that can allow pump core joint 7 slide in the oil pump frame 4, and an end of ram is provided with regulates top board 23, regulates top board and is connected with governing screw 24, and governing screw is installed on the oil pump frame 4.Be provided with the cam 8 that can promote its side-to-side movement in the pump core joint, cam is hinged on the oil pump frame 4 by axle, and cam is connected with handle 9 by lift 25, and handle 9 is made up of upper handle and lower handle, is connected by tie bolt between upper handle and the lower handle.Pump case 5 inside are communicated with by pass valve by oil circuit, as Fig. 3, by pass valve comprises valve body 13, be connected with by pass valve governing screw 14 in the valve body, governing screw inside has overflow oil circuit 15, and governing screw the inner is provided with overflow and consigns 16, and overflow is connected with the steel ball 17 that can seal or open the overflow oil circuit on consigning, be connected with constant tension spring 18 between overflow consignment and the valve body 13, have on the valve body and overflow back oilhole 19 and be communicated with the overflow oil circuit.Also be communicated with fuel tank 11 by oil return valve rod 12, oil pipe 10 on the cylinder body 1, two sections oil pipes that wherein are communicated with pump case inside, oil return valve rod are looped around the periphery of cylinder body 1.
During use, press down handle 9, cam 8 promptly clockwise rotates, and pump core joint 7 drives pump core 6 and travels forward, and pressure oil backs down the steel ball on the delivery valve 21, and pressure oil is injected in the cylinder body 1, and pressure oil is with plunger 2 jackings.During as hypertonia, pressure oil can back down the steel ball in the by pass valve, and unnecessary pressure oil is discharged from overflowing back oilhole 19.After jacking work was finished, pressure oil was got back to fuel tank 11 by oil return valve rod 12, oil pipe 10.
Claims (6)
1. horizontal-vertical double-purpose oil jack, comprise cylinder body (1), be provided with plunger (2) in the cylinder body, plunger head is connected with top (3), it is characterized in that described cylinder body (1) is connected with oil pump frame (4), be connected with pump case (5) on the oil pump frame (4), pump case one end is communicated with by oil circuit and cylinder body (1) are interior, be provided with pump core (6) in the pump case, pump core (6) end is connected with pump core joint (7), be provided with the cam (8) that can promote its side-to-side movement in the pump core joint, cam is hinged on the oil pump frame (4) by axle, and cam is connected with handle (9); Be communicated with fuel tank (11) by oil pipe (10) in the pump case (5), cylinder body (1) is interior by oil return valve rod (12), oil pipe (10) is communicated with fuel tank, pump case (5) also is communicated with by pass valve by oil circuit, by pass valve comprises valve body (13), be connected with by pass valve governing screw (14) in the valve body, governing screw inside has overflow oil circuit (15), governing screw the inner is provided with overflow consignment (16), overflow is connected with the steel ball (17) that can seal or open the overflow oil circuit on consigning, be connected with constant tension spring (18) between overflow consignment and the valve body (13), have on the valve body and overflow back oilhole (19) and be communicated with the overflow oil circuit.
2. horizontal-vertical double-purpose oil jack according to claim 1, it is characterized in that the described cylinder body (1) and the junction of pump case (5) are connected with inlet valve (20) and delivery valve (21), inlet valve (20) is communicated with oil pipe (10), and delivery valve (21) is communicated with oil circuit on the cylinder body.
3. horizontal-vertical double-purpose oil jack according to claim 1 and 2 is characterized in that described fuel tank (11) is located at the side of cylinder body (1), and its two oil pipes (10) that are communicated with oil return valve rod (12), pump case (5) are looped around the outside of cylinder body (1).
4. horizontal-vertical double-purpose oil jack according to claim 1 and 2, it is characterized in that being provided with in the described oil pump frame (4) ram (22) that can allow pump core joint (7) slide, one end of ram is provided with regulates top board (23), regulate top board and be connected with governing screw (24), governing screw is installed on the oil pump frame (4).
5. horizontal-vertical double-purpose oil jack according to claim 3, it is characterized in that being provided with in the described oil pump frame (4) ram (22) that can allow pump core joint (7) slide, one end of ram is provided with regulates top board (23), regulate top board and be connected with governing screw (24), governing screw is installed on the oil pump frame (4).
6. horizontal-vertical double-purpose oil jack according to claim 1 and 2, it is characterized in that described handle (9) is made up of upper handle and lower handle, be connected by tie bolt between upper handle and the lower handle, lower handle is connected on the cam (8) by lift (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203036048U CN201473266U (en) | 2009-05-26 | 2009-05-26 | Vertical and horizontal convertible oil jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203036048U CN201473266U (en) | 2009-05-26 | 2009-05-26 | Vertical and horizontal convertible oil jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201473266U true CN201473266U (en) | 2010-05-19 |
Family
ID=42409510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203036048U Expired - Fee Related CN201473266U (en) | 2009-05-26 | 2009-05-26 | Vertical and horizontal convertible oil jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201473266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429947A (en) * | 2016-12-08 | 2017-02-22 | 海盐佳业机械工具有限公司 | Vertical and horizontal dual-purpose jack |
-
2009
- 2009-05-26 CN CN2009203036048U patent/CN201473266U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429947A (en) * | 2016-12-08 | 2017-02-22 | 海盐佳业机械工具有限公司 | Vertical and horizontal dual-purpose jack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211470645U (en) | Hydraulic elevator | |
| CN202880763U (en) | Pneudraulic integrated high load-bearing lifting platform | |
| CN201033724Y (en) | Proper-motion mast type lift truck | |
| CN201434196Y (en) | Grease filling device for universal joint | |
| CN201473266U (en) | Vertical and horizontal convertible oil jack | |
| CN203031575U (en) | Hydroelectric power plant guide vane servomotor push-pull rod overhaul bearing tackle | |
| CN106799419A (en) | A kind of full-automatic pressing equipment | |
| CN206981598U (en) | A kind of tapered roller retainer riveting mechanism | |
| CN205914796U (en) | Cut fork lift platform's roof puncher | |
| CN205588671U (en) | Mill is with punch press clearance iron fillings device | |
| CN106744495B (en) | Lifting translation machine and steel rail lifting translation equipment | |
| CN209579387U (en) | A kind of multi-functional tooling for booster dismantling maintenance | |
| CN207206221U (en) | A kind of horizontal brush roll forming machine | |
| CN201632811U (en) | Production line through type hydraulic machine | |
| CN206824924U (en) | Bearing pressing adjusting means | |
| CN206232382U (en) | For the air cylinder connecting rod formula lowering or hoisting gear of short stroke jacking equipment | |
| CN219669589U (en) | Driving device of train material flatcar machine | |
| CN217665683U (en) | Frame punching press positioning mechanism of photovoltaic module frame | |
| CN205603985U (en) | Hydraulic pressure track lifting and lining tool for railway | |
| CN218905227U (en) | Built-in shaft and bearing tight pressing device for electric tool gear box | |
| CN215377203U (en) | Foil type transformer coil press-mounting equipment | |
| CN219853075U (en) | Movable bearing press-fitting machine | |
| CN2679129Y (en) | Electric hydraulic jack | |
| CN216397866U (en) | Mandrel assembly for rolling blank of ring rolling mill | |
| CN219114846U (en) | Can realize hydraulic press of side cut |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20130526 |