CN219363109U

CN219363109U - Jack core

Info

Publication number: CN219363109U
Application number: CN202320267102.4U
Authority: CN
Inventors: 卢英俊; 吕光瑞
Original assignee: Jinyun Tianyang Tools Co ltd
Current assignee: Jinyun Tianyang Tools Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-07-18
Anticipated expiration: 2033-02-21

Abstract

The utility model relates to the technical field of jack movements, in particular to a jack movement, which comprises a base, wherein an oil group part is arranged at the top end of the base, the oil group part comprises an oil cylinder body, the outer side of the oil cylinder body is connected with an oil box, the left side of the oil box is provided with a valve component through an oil packing ring, the left side of the valve component is connected with a driving group, the driving group consists of a motor and a gear box, and the right side of the motor is connected with the gear box. Compared with the traditional structure, the device is additionally provided with a valve to separate oil supply from oil return, and the oil return and inlet channel valve is closed to directly supply oil when the oil is supplied after the oil supply is changed, so that the situation that a sliding bolt needs to move to leak oil in a gap is avoided, and the situation that the pressure is unstable due to the oil leakage at the sliding bolt is avoided.

Description

Jack core

Technical Field

The utility model relates to the technical field of jack cores, in particular to a jack core.

Background

The jack is a light and small lifting device which uses a rigid jacking piece as a working device and jacks up a heavy object in a small stroke of a top bracket or a bottom supporting claw. The jack is mainly used for departments such as factories and mines, transportation and the like to repair vehicles and work such as other lifting and supporting. The structure is light, firm, flexible and reliable, and can be carried and operated by one person.

The quality of the jack is good, wherein the jack core is important, the oil supply and oil return of the traditional jack core share an oil duct, the sliding bolt can leak oil when moving, and unstable pressure and poor pressure maintaining performance can be caused by oil leakage from the sliding bolt. A jack movement is needed to solve the above-mentioned problems.

Disclosure of Invention

The present utility model is directed to solving the problems set forth in the background art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a jack core, includes the base, oil group portion is installed on the base top, oil group portion includes the hydro-cylinder body, the hydro-cylinder body outside is connected with the oil-in case, just the valve part is installed through the oil-in pressing ring in oil-in case left side, the drive group is connected in valve part left side, the drive group comprises motor and gear box, the motor right side is connected with the gear box.

Preferably, the base includes the support, the support top passes through the bolt and dock with the hydro-cylinder body, the parcel has the hydro-cylinder clamp ring in the hydro-cylinder body bottom outside, the support left side is connected with crossing board, just crossing board top is contradicted with the valve part and is connected, consolidates the junction of hydro-cylinder body and support through the hydro-cylinder clamp ring, further improves the compactness when hydro-cylinder body and support dock.

Preferably, the oil cylinder oil supply port is formed in the center of the support, four oil cylinder oil supply ports are arranged around the center of the support as a base point, and the effect that oil enters the oil cylinder oil supply ports through the crossing plate is improved through the design of the oil cylinder oil supply ports.

Preferably, the valve component comprises an oil inlet and outlet group, the oil inlet and outlet group is arranged inside the oil box, the left side of the oil inlet and outlet group is connected with a transmission group, the transmission group comprises a gear pump seat, the left top end of the gear pump seat is provided with an oil filling hole sealing group, the top end of the gear pump seat is provided with a first manual pressure relief valve group and an oil return oil inlet split valve, the back surface of the gear pump seat is provided with an oil return sliding column group, the front surface of the gear pump seat is connected with two first oil inlet valve groups, the front surface of the first oil inlet valve group is provided with a second oil return valve group, and the oil cylinder body is pushed to form a pressure through an oil cylinder oil supply port to complete the oil cylinder body.

Preferably, the right side of the gear pump seat is provided with an oil supply crossing, a second manual pressure relief valve group is arranged at the right side of the gear pump seat and near the position of the oil supply crossing, oil supply and oil return are separated by adding a valve, and the oil return and oil inlet split valve is closed for directly supplying oil when oil is supplied after the oil supply is changed.

Preferably, the right side of the gear pump seat is provided with a third manual pressure relief valve group, and the right side of the third manual pressure relief valve group is provided with a second oil inlet valve group, and the pressure value inside the gear pump seat is conveniently controlled by matching the third manual pressure relief valve group with the second oil inlet valve group.

Preferably, the business turn over oil group is including automatic relief valve group, automatic relief valve group left side is connected with the oil inlet, just the equidistant distribution that encircles in the oil inlet outside has first oil return valve group, the tooth chamber has been seted up to the oil inlet inside, and the tooth chamber inside rotates and is connected with two meshing gear sets, the meshing gear set is installed inside the gear pump seat, through the design of meshing gear set, accelerates the speed of fuel feeding, improves the fuel feeding effect.

The utility model has at least the following beneficial effects:

1. through setting up the drive unit, realize oil feeding and return oil separation, compare in traditional structure, this device increases a valve and makes its oil feeding and return oil separate, closes the oil return oil feed when changing the oil feeding and advances the direct oil feeding of way valve, avoids sliding bolt to take the activity to appear the condition of clearance oil leak, avoids appearing sliding bolt department oil leak and causes the unstable condition of pressure.

2. Through setting up hydro-cylinder fuel feed mouth and first advance oil valves, guarantee the pressurize nature, this device is through the oil inlet from the oil tank oil absorption entering oil supply through the oil return advance oil inlet lane valve enter into the fuel feed way, and automatic relief valve opens first advance oil valves and passes the crossing board with the oil pressure, forms pressure promotion hydro-cylinder body from hydro-cylinder fuel feed mouth to the hydro-cylinder body and makes it accomplish work, compares in traditional ball formula, and the performance of this design is better.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of the external structure of a jack movement according to the present utility model;

fig. 2 is a schematic perspective view of an oil group in a jack movement according to the present utility model;

fig. 3 is a schematic view of an external disassembly structure of a jack movement according to the present utility model;

fig. 4 is a schematic diagram of a three-dimensional burst of an oil inlet and outlet set and a transmission set in a jack movement according to the present utility model.

In the figure: 1. a base; 11. a support; 12. crossing plates; 13. an oil supply port of the oil cylinder; 2. an oil group part; 21. an oil cylinder body; 22. an oil cylinder pressing ring; 23. a tank of oil; 24. a compression ring; 3. a valve member; 31. an oil inlet and outlet group; 311. an automatic pressure relief valve group; 312. an oil inlet; 313. a first oil return valve group; 314. a meshing gear set; 32. a transmission group; 321. a gear pump base; 322. an oil return and oil inlet channel dividing valve; 323. a first manual pressure relief valve block; 324. an oil filling hole sealing group; 325. a return oil spool set; 326. the first oil inlet valve group; 327. a second oil return valve group; 328. oil supply passes through the crossing; 329. the second manual pressure relief valve group; 33. the third manual pressure relief valve group; 34. the second oil inlet valve group; 4. a drive group; 41. a motor; 42. and a gear box.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-4, a jack core comprises a base 1, an oil group part 2 is installed at the top end of the base 1, the oil group part 2 comprises an oil cylinder body 21, an oil tank 23 is connected to the outer side of the oil cylinder body 21, a valve component 3 is installed on the left side of the oil tank 23 through an oil compression ring 24, a driving group 4 is connected to the left side of the valve component 3, the driving group 4 consists of a motor 41 and a gear box 42, and the right side of the motor 41 is connected with the gear box 42.

The base 1 comprises a support 11, the top end of the support 11 is in butt joint with an oil cylinder body 21 through bolts, an oil cylinder compression ring 22 is wrapped outside the bottom end of the oil cylinder body 21, a crossing plate 12 is connected to the left side of the support 11, and the top end of the crossing plate 12 is in abutting connection with the valve component 3.

The center of the support 11 is provided with an oil cylinder oil supply port 13, and the oil cylinder oil supply port 13 is provided with four oil cylinders around the center of the support 11 as a base point.

The valve component 3 comprises an oil inlet and outlet group 31, the oil inlet and outlet group 31 is arranged inside the oil tank 23, the left side of the oil inlet and outlet group 31 is connected with a transmission group 32, the transmission group 32 comprises a gear pump seat 321, the top end of the left side of the gear pump seat 321 is provided with an oil filling hole sealing group 324, the top end of the gear pump seat 321 is provided with a first manual pressure relief valve group 323 and an oil return oil inlet channel valve 322, the back surface of the gear pump seat 321 is provided with an oil return sliding column group 325, the front surface of the gear pump seat 321 is connected with two first oil inlet valve groups 326, and the front surface of the first oil inlet valve group 326 is provided with a second oil return valve group 327.

The right side of the gear pump seat 321 is provided with an oil supply crossing 328, and a second manual pressure relief valve group 329 is arranged at the position, close to the oil supply crossing 328, of the right side of the gear pump seat 321.

The right side of the gear pump seat 321 is provided with a third manual pressure relief valve group 33, and the right side of the third manual pressure relief valve group 33 is provided with a second oil inlet valve group 34.

The oil inlet and outlet group 31 comprises an automatic pressure relief valve group 311, an oil inlet 312 is connected to the left side of the automatic pressure relief valve group 311, first oil return valve groups 313 are distributed around the outer side of the oil inlet 312 at equal intervals, tooth cavities are formed in the oil inlet 312, two meshing gear sets 314 are rotatably connected to the inner portions of the tooth cavities, and the meshing gear sets 314 are mounted in a gear pump seat 321.

The joint of the oil cylinder body 21 and the support 11 is reinforced through the oil cylinder compression ring 22, the tightness of the oil cylinder body 21 when being in butt joint with the support 11 is further improved, the problem that oil leakage occurs when the oil cylinder body 21 is easy to loosen is avoided, the effect that oil enters the oil cylinder oil supply port 13 through the guide of the plurality of oil cylinder oil supply ports 13 is improved through the design of the plurality of oil cylinder oil supply ports 13, the total oil quantity of the oil cylinder oil supply port 13 is increased, the total oil supply quantity of the oil cylinder body 21 is conveniently improved, the smoothness of the oil supply inside the oil cylinder body 21 is improved, the oil is absorbed from the oil tank 23 through the oil inlet 312 and enters the oil supply port 328 through the oil return oil inlet port separating valve 322, the first oil inlet valve block 326 is opened by the automatic pressure relief valve 311 to enable the oil pressure to enter the port plate 12 through the oil cylinder oil inlet port 13 to form pressure to push the oil cylinder body 21, compared with the traditional ball type oil supply port 13, the design is better in oil supply performance, the oil supply is separated through the addition of one valve, the direct oil supply of the oil return port separating valve 322 is closed when the improvement, the situation that clearance oil leakage occurs when the sliding bolt is movable is avoided, the oil is conveniently, the oil supply rate is improved through the third manual oil inlet 33 and the second oil inlet valve block 34 is matched with the pressure control valve block 321, the oil supply valve block is conveniently designed, the oil supply valve is further improved, and the oil supply efficiency can be improved, and the oil supply tank is convenient to flow out of the oil tank is more than the oil tank has the oil tank state with the oil tank is more convenient to have the pressure control valve and better than the oil.

Working principle: according to fig. 3, the motor 41 drives the gear box 42 to drive the meshing gear set 314 to form cavity pressure to drive the second oil inlet valve group 34 to open, the oil is absorbed from the oil tank 23 through the oil inlet 312, enters the oil supply channel through the oil return and oil inlet split valve 322, the automatic pressure relief valve group 311 opens the first oil inlet valve group 326 to drive the oil to pass through the channel plate 12, and pressure is formed from the oil cylinder oil supply port 13 to the oil cylinder body 21 to push the oil cylinder body 21 to complete the work;

next, according to fig. 3 and fig. 4, the motor 41 moves reversely to reverse the pressure during the descending, so as to push the oil return spool group 325 to push the first oil return valve group 313 away from the oil return inlet port valve 322 to the engagement gear group 314, enter the oil cylinder body 21, pass through the oil cylinder oil supply port 13 and return to the oil tank 23.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a jack core, its characterized in that, including base (1), oil group portion (2) are installed on base (1) top, oil group portion (2) are including hydro-cylinder body (21), hydro-cylinder body (21) outside is connected with oil-in-case (23), just valve member (3) are installed through oil-in-case clamp ring (24) in oil-in-case (23) left side, drive group (4) are connected in valve member (3) left side, drive group (4) are constituteed by motor (41) and gear box (42), motor (41) right side is connected with gear box (42).

2. A jack movement according to claim 1, wherein the base (1) comprises a support (11), the top end of the support (11) is in butt joint with the cylinder body (21) through a bolt, the outside of the bottom end of the cylinder body (21) is wrapped with a cylinder compression ring (22), the left side of the support (11) is connected with a passage opening plate (12), and the top end of the passage opening plate (12) is in abutting connection with the valve component (3).

3. A jack movement according to claim 2, wherein the centre of the support (11) is provided with an oil cylinder oil supply port (13), and the oil cylinder oil supply port (13) is circumferentially arranged with the centre of the support (11) as a base point.

4. A jack movement according to claim 1, characterized in that the valve member (3) comprises an oil inlet and outlet group (31), the oil inlet and outlet group (31) is arranged inside the oil tank (23), the left side of the oil inlet and outlet group (31) is connected with a transmission group (32), the transmission group (32) comprises a gear pump seat (321), the top of the left side of the gear pump seat (321) is provided with an oil filling hole sealing group (324), the top of the gear pump seat (321) is provided with a first manual pressure relief valve (323) and an oil return oil inlet split valve (322), the back side of the gear pump seat (321) is provided with an oil return slide column group (325), and the front side of the gear pump seat (321) is connected with two first oil inlet valve groups (326), and the front side of the first oil inlet valve group (326) is provided with a second oil return valve group (327).

5. A jack movement according to claim 4, wherein the right side of the gear pump seat (321) is provided with an oil supply crossing (328), and a second manual pressure relief valve (329) is mounted at a position on the right side of the gear pump seat (321) close to the oil supply crossing (328).

6. Jack movement according to claim 5, characterized in that a third manual pressure relief valve group (33) is provided on the right side of the gear pump seat (321), and a second oil inlet valve group (34) is provided on the right side of the third manual pressure relief valve group (33).

7. The jack movement of claim 4, wherein the oil inlet and outlet group (31) comprises an automatic pressure relief valve group (311), an oil inlet (312) is connected to the left side of the automatic pressure relief valve group (311), first oil return valve groups (313) are distributed around the outer side of the oil inlet (312) at equal intervals, tooth cavities are formed in the oil inlet (312), two meshing gear sets (314) are rotatably connected to the tooth cavities, and the meshing gear sets (314) are mounted in a gear pump seat (321).