Rotary hydraulic jack
By designing a rotary hydraulic jack, which uses a rocker arm to drive a bevel gear, and combining mechanical and hydraulic structures, the problem of insufficient adjustment accuracy and distance of existing jacks is solved, achieving higher lifting accuracy and stability.
Patent Information
- Application Number
- CN202520427514.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Existing hydraulic or mechanical jacks have significant limitations in terms of adjustment accuracy and lifting distance during use, which affects the operational results.
Design a rotary hydraulic jack that uses a rocker arm to drive a bevel gear to rotate, thereby moving the hydraulic jack up and down. Combining a mechanical and hydraulic dual lifting structure, it improves adjustment accuracy and distance.
It achieves convenient and stable operation, improves lifting accuracy and distance, and enhances the stability of the bottom contact area.
Smart Images

Figure CN223752320U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to jack technical field, concretely is a rotary hydraulic jack. BACKGROUND
[0002] The single hydraulic or mechanical structure of jack has certain limitation in adjustable precision and jacking distance when using, and the operation is affected.
[0003] Therefore, it is necessary to design a rotary hydraulic jack to solve the problems in the above background technology. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at solving the problems in the prior art and provides a rotary hydraulic jack.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A rotary hydraulic jack, comprising a jack assembly, an anti-skid seat and a rocker, the lower end of the jack assembly is connected with the anti-skid seat, and the front lower part of the jack assembly is connected with the rocker;
[0007] The jack assembly is composed of a mounting sleeve, a base, a first connecting sleeve, a second connecting sleeve, a hydraulic jack rod, a top plate, a rotary screw rod, a first bevel gear, a second bevel gear and a bearing, the lower end of the mounting sleeve is connected with the base, the front lower part of the mounting sleeve is provided with the first connecting sleeve, the front part of the first connecting sleeve is connected with the second connecting sleeve, the upper end of the base is connected with the first bevel gear in the middle, the first bevel gear is connected with the rotary screw rod in the middle, the outer part of the rotary screw rod is connected with the hydraulic jack rod, the upper end of the hydraulic jack rod is connected with the top plate, the upper part of the first bevel gear is connected with the second bevel gear on one side, and the outer part of the second bevel gear is connected with the bearing.
[0008] The middle part of the upper end of the anti-skid seat is provided with a limiting groove.
[0009] The back part of the rocker is provided with a plug-in rod.
[0010] As a preferred scheme of the utility model, the mounting sleeve and the base are connected through thread tightening.
[0011] As a preferred scheme of the utility model, the first connecting sleeve and the second connecting sleeve are connected through bolts.
[0012] As a preferred scheme of the utility model, the hydraulic jack rod and the top plate are connected through bolts, the hydraulic jack rod and the rotary screw rod are connected through sleeve connection, the first bevel gear and the second bevel gear are connected through meshing, and the first bevel gear and the base and the second bevel gear and the first connecting sleeve are all connected through bearings.
[0013] As the preferred scheme of the utility model, the limiting groove between the base and the upper end of the anti-skid base is connected through sleeve connection.
[0014] As the preferred scheme of the utility model, the second connecting sleeve and the plug-in rod on the rocker are connected through plug-in connection.
[0015] In summary, the technical effect and advantages of the utility model are as follows: the rotary hydraulic jack, when in use, drives the second bevel gear to rotate through rotating the rocker, thereby driving the first bevel gear and the rotary screw rod to rotate, so that the hydraulic jack rod on the rotary screw rod moves, and the up and down positions of the hydraulic jack rod can be adjusted when rotating forward and backward, the hydraulic jack rod can be lifted twice through hydraulic pressure, the operation is convenient and fast, the mechanical structure at the lower part of the rotary hydraulic jack and the hydraulic structure at the upper part together form a mechanical and hydraulic double lifting structure, which can further improve the lifting precision and distance, when in use, the anti-skid base can be placed at the bottom, the contact area of the bottom is improved, and the stability of the whole is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the overall structural drawing of the utility model;
[0017] Figure 2 It is the jack assembly structure drawing of the utility model;
[0018] Figure 3 It is the anti-skid base structure drawing of the utility model;
[0019] Figure 4 It is the internal structure drawing of the utility model.
[0020] In the drawing: 1, jack assembly; 101, mounting sleeve; 102, base; 103, first connecting sleeve; 104, second connecting sleeve; 105, hydraulic jack rod; 106, top plate; 107, rotary screw rod; 108, first bevel gear; 109, second bevel gear; 110, bearing; 2, anti-skid base; 201, limiting groove; 3, rocker; 301, plug-in rod. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0022] Reference Figures 1-4The utility model provides a rotary hydraulic jack, including jack assembly 1, antiskid seat 2 and rocker 3, the lower end of jack assembly 1 is connected with antiskid seat 2, and the lower part of jack assembly 1 is connected with rocker 3 on the front, jack assembly 1 is by mounting sleeve 101, base 102, first connecting sleeve 103, second connecting sleeve 104, hydraulic jack 105, top plate 106, rotary screw 107, first bevel gear 108, second bevel gear 109 and bearing 110 are formed, and the lower end of mounting sleeve 101 is connected with base 102, and the lower part of mounting sleeve 101 is equipped with first connecting sleeve 103 on the front, and first connecting sleeve 103 is connected with second connecting sleeve 104 on the front, and the upper end of base 102 is connected with first bevel gear 108 in the middle, and first bevel gear 108 is connected with rotary screw 107 in the middle, and hydraulic jack 105 is connected with rotary screw 107 outside, and hydraulic jack 105 is connected with top plate 106 on the upper end, and first bevel gear 108 is connected with second bevel gear 109 on the upper side, and second bevel gear 109 is connected with bearing 110 outside, and the upper end of antiskid seat 2 is equipped with limiting groove 201 in the middle, and the back of rocker 3 is equipped with inserting rod 301.
[0023] Refer to Figures 1-4 The single hydraulic or mechanical structure of the jack has certain limitations in the adjustable precision and jacking distance when in use, which affects the operation, mounting sleeve 101 and base 102 are connected through thread tightening, first connecting sleeve 103 and second connecting sleeve 104 are connected through bolts, hydraulic jack 105 and top plate 106 are connected through bolts, hydraulic jack 105 and rotary screw 107 are connected through sleeve connection, first bevel gear 108 and second bevel gear 109 are connected through meshing, first bevel gear 108 and base 102, second bevel gear 109 and first connecting sleeve 103 are connected through bearing 110, second connecting sleeve 104 and inserting rod 301 on rocker 3 are connected through plug-in connection, when in use, the second bevel gear 109 is driven to rotate by rotating the rocker 3, thereby driving the first bevel gear 108 and the rotary screw 107 to rotate, so that the hydraulic jack 105 on the rotary screw 107 moves, and the up-down position of the hydraulic jack 105 can be adjusted when rotating forward and backward, and the hydraulic jack 105 can be jacked again through hydraulic pressure, which is convenient and fast, and the mechanical structure at the lower part of the rotary hydraulic jack and the hydraulic structure at the upper part form a mechanical and hydraulic double jacking structure, which can further improve the jacking precision and distance.
[0024] Refer to Figures 1-4 Base 102 and limiting groove 201 on the upper end of antiskid seat 2 are connected through sleeve connection, when in use, the antiskid seat 2 can be placed on the bottom, the contact area of the bottom is improved, and the stability of the whole is improved.
[0025] Working principle: the installation sleeve 101 and the base 102 of the rotary hydraulic jack are connected through thread tightening, the first connecting sleeve 103 and the second connecting sleeve 104 are connected through bolts, the hydraulic jack rod 105 and the top plate 106 are connected through bolts, the hydraulic jack rod 105 and the rotary screw rod 107 are connected through sleeve connection, the first bevel gear 108 and the second bevel gear 109 are connected through meshing, the first bevel gear 108 and the base 102, the second bevel gear 109 and the first connecting sleeve 103 are connected through bearings 110, the second connecting sleeve 104 and the plug-in rod 301 on the rocker 3 are connected through plug-in connection, when in use, the second bevel gear 109 is driven to rotate by rotating the rocker 3, thereby driving the first bevel gear 108 and the rotary screw rod 107 to rotate, so that the hydraulic jack rod 105 on the rotary screw rod 107 moves, and the up and down position of the hydraulic jack rod 105 can be adjusted when rotating forward and reverse, and the hydraulic jack rod 105 can be lifted twice through hydraulic pressure, which is convenient and fast, and the mechanical structure at the lower part of the rotary hydraulic jack and the hydraulic structure at the upper part together form a mechanical and hydraulic double lifting structure, which can further improve the lifting precision and distance, the base 102 and the limiting groove 201 on the upper end of the anti-skid base 2 are connected through sleeve connection, when in use, the anti-skid base 2 can be placed at the bottom to improve the contact area of the bottom and thereby improve the stability of the whole.
[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A rotary hydraulic jack comprising a jack assembly (1), a non-slip seat (2) and a rocker (3), characterized in that: The lower end of the jack assembly (1) is connected with an anti-skid seat (2), and the lower part of the front of the jack assembly (1) is connected with a rocker (3). The jack assembly (1) is composed of a mounting sleeve (101), a base (102), a first connecting sleeve (103), a second connecting sleeve (104), a hydraulic jack (105), a top plate (106), a rotating screw (107), a first bevel gear (108), a second bevel gear (109) and a bearing (110), the lower end of the mounting sleeve (101) is connected with the base (102), the lower part of the front of the mounting sleeve (101) is provided with the first connecting sleeve (103), the front of the first connecting sleeve (103) is connected with the second connecting sleeve (104), the upper end of the base (102) is connected with the first bevel gear (108) in the middle, the middle of the first bevel gear (108) is connected with the rotating screw (107), the outside of the rotating screw (107) is connected with the hydraulic jack (105), the upper end of the hydraulic jack (105) is connected with the top plate (106), the upper part of the first bevel gear (108) is connected with the second bevel gear (109) on one side, and the outside of the second bevel gear (109) is connected with the bearing (110). The middle of the upper end of the anti-skid seat (2) is provided with a limiting groove (201). The back of the rocker (3) is provided with a plug-in rod (301).
2. A rotary hydraulic jack as claimed in claim 1, wherein: The mounting sleeve (101) and the base (102) are connected through threaded fastening.
3. A rotary hydraulic jack as claimed in claim 1, wherein: The first connecting sleeve (103) and the second connecting sleeve (104) are connected through bolts.
4. A rotary hydraulic jack as claimed in claim 1, wherein: The hydraulic jack (105) and the top plate (106) are connected through bolts, the hydraulic jack (105) and the rotating screw (107) are connected through sleeve connection, the first bevel gear (108) and the second bevel gear (109) are connected through meshing, and the first bevel gear (108) and the base (102), the second bevel gear (109) and the first connecting sleeve (103) are connected through bearings (110).
5. A rotary hydraulic jack as claimed in claim 1, wherein: The base (102) and the limiting groove (201) on the upper end of the anti-skid seat (2) are connected through sleeve connection.
6. A rotary hydraulic jack as claimed in claim 1, wherein: The second connecting sleeve (104) and the plug-in rod (301) on the rocker (3) are connected through plug-in connection. The mounting sleeve (101) and the base (102) are connected through threaded fastening. The first connecting sleeve (103) and the second connecting sleeve (104) are connected through bolts. The hydraulic jack (105) and the top plate (106) are connected through bolts, the hydraulic jack (105) and the rotating screw (107) are connected through sleeve connection, the first bevel gear (108) and the second bevel gear (109) are connected through meshing, and the first bevel gear (108) and the base (102), the second bevel gear (109) and the first connecting sleeve (103) are connected through bearings (110). The base (102) and the limiting groove (201) on the upper end of the anti-skid seat (2) are connected through sleeve connection. The second connecting sleeve (104) and the plug-in rod (301) on the rocker (3) are connected through plug-in connection.