Multifunctional separated hydraulic jack
By improving the structural design of the hydraulic jack, increasing the support area and stability, the problem of tilt and lofting of the device is solved, stable lifting and convenient head replacement are achieved, and the effectiveness of the equipment is improved.
Patent Information
- Application Number
- CN202422446762.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-10-10
AI Technical Summary
Due to the small footprint of existing separate hydraulic jacks, they are prone to tilt and lofting during lifting, resulting in offsetting of the lifting components, which is not conducive to lifting operations.
A multi-functional separate hydraulic jack is designed to increase the support area and stability through the cooperation of oil pumps, oil cylinders, piston rods, support frames, lifting rings, push nuts and other devices, and to shrink the support frame and reduce the floor area; at the same time, convenient replacement of the head is achieved through devices such as clamping blocks and heads.
It improves the lifting stability and practicality of the hydraulic jack, avoids the device's tilt and lofting and storage inconvenient, and enhances the flexibility and applicability of the equipment.
Smart Images

Figure CN223087510U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of jacks, in particular to a multifunctional separation type hydraulic jack. Background Art
[0002] A jack refers to a light and small lifting device that uses a rigid lifting piece as a working device and lifts heavy objects within a small stroke of a top support seat or a bottom support claw. Its structure is light, strong, flexible and reliable. A separate jack is a jack in which a power device and a supporting device are separated. It adopts a hydraulic method and is used for lifting, supporting and other work. The patent with announcement number CN211169673U discloses a separate hydraulic jack, which belongs to the technical field of jacks. The separate hydraulic jack includes an oil storage barrel and a pump body. The outer surface of the oil storage barrel is sleeved with a sliding sleeve. The outer surface of the sliding sleeve is provided with a card groove, and the oil guide pipe can be retracted and fixed, thereby reducing the footprint of the hydraulic jack and avoiding the inconvenience of storing the jack. The above patent reduces the footprint of the hydraulic jack and avoids the inconvenience of storing the jack. However, due to its small footprint, the device is prone to tilt and fall over during jacking, resulting in the displacement of the jacking components, which is not conducive to jacking operations. For this reason, we propose a multifunctional separate hydraulic jack. Utility Model Content
[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a multifunctional split hydraulic jack, which effectively solves the problem that the device is prone to tilting and falling over during jacking due to its small footprint, causing the jacking parts to shift, which is not conducive to jacking operations.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multifunctional separate hydraulic jack, comprising an oil pump and an oil cylinder, wherein the oil pump is connected to the oil cylinder through a high-pressure oil pipe; the oil cylinder is mainly composed of a cylinder barrel and a piston rod located inside the cylinder barrel, wherein the top of the piston rod extends out of the cylinder barrel, the outer wall of the oil cylinder is evenly provided with support frames, the other end of the support frames is provided with connecting rods, the outer wall of the cylinder barrel is provided with a lifting ring, the other end of the connecting rod is provided on the outer wall of the lifting ring, the outer wall of the cylinder barrel is provided with a pushing nut, and the pushing nut is located on the top wall of the lifting ring.
[0005] Preferably, a fixing ring is provided on the outer wall of the cylinder, a pushing spring is provided on the top wall of the fixing ring, and the top end of the pushing spring is provided on the bottom wall of the lifting ring.
[0006] Preferably, the outer wall of the cylinder is evenly provided with limiting grooves, and the inner wall of the lifting ring is evenly provided with limiting strips, and the limiting strips are located on the inner walls of the limiting grooves.
[0007] Preferably, a clamping block is provided on the top wall of the piston rod, a clamping groove is formed on the top wall of the clamping block, the clamping groove is arranged in a T shape, and a top head is arranged on the inner wall of the clamping groove.
[0008] Preferably, an installation ring is arranged on the outer wall of the clamping block, a return spring is arranged on the top wall of the installation ring, a limiting ring is arranged at the top end of the return spring, and the limiting ring is located on the outer wall of the top head.
[0009] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0010] 1. For this multifunctional separable hydraulic jack, by cooperating devices such as an oil pump, an oil cylinder, and a piston rod, the device is convenient for increasing the supporting area. The cooperation of multiple sets of support frames is beneficial for more stable support of the cylinder barrel, which is conducive to improving the stability of the device during jacking.
[0011] 2. For this multifunctional separable hydraulic jack, by cooperating devices such as a pushing nut, a fixing ring, and a pushing spring, the device is convenient for pushing the lifting ring to rise and fall and reset, facilitating the contraction of the support frame, reducing the floor area of the hydraulic jack, and avoiding inconvenient storage of the jack.
[0012] 3. For this multifunctional separable hydraulic jack, by cooperating devices such as a clamping block, a top head, and a piston rod, the device is convenient for replacing different top heads, facilitating the jacking operation of different components, which is conducive to improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The drawings are used to provide further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model.
[0014] In the drawings:
[0015] Figure 1 is a schematic structural diagram of the multifunctional separable hydraulic jack of the present utility model;
[0016] Figure 2 is a sectional structural diagram of the limiting ring of the present utility model;
[0017] Figure 3 is the present utility model Figure 2 the enlarged view of part A in;
[0018] In the figure: 100, oil pump; 101, oil cylinder; 102, high-pressure oil pipe; 103, cylinder barrel; 104, piston rod; 105, support frame; 106, connecting rod; 107, lifting ring; 108, extrusion nut; 109, fixing ring; 110, extrusion spring; 111, limiting strip; 112, clamping block; 113, top head; 114, mounting ring; 115, reset spring; 116, limiting ring. Specific embodiments
[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the scope of protection of the present invention.
[0020] Consisting of Figure 1 、 Figure 2 And Figure 3 Given, a multifunctional separable hydraulic jack of the present invention includes an oil pump 100 and an oil cylinder 101, and the oil pump 100 is communicatively connected to the oil cylinder 101 through a high-pressure oil pipe 102; the oil cylinder 101 is mainly composed of a cylinder barrel 103 and a piston rod 104 located inside the cylinder barrel 103, wherein the top of the piston rod 104 extends out of the cylinder barrel 103. It is characterized in that: the outer wall of the oil cylinder 101 is uniformly rotatably connected with a support frame 105, and it is convenient to place and support on the ground through the support frame 105. The other ends of the support frames 105 are all rotatably connected with a connecting rod 106, and it is convenient to drive the support frame 105 to rotate through the connecting rod 106. The outer wall of the cylinder barrel 103 is slidably connected with a lifting ring 107, and it is convenient to drive the connecting rod 106 to rotate through the lifting ring 107. The other ends of the connecting rods 106 are all rotatably connected to the outer wall of the lifting ring 107. The outer wall of the cylinder barrel 103 is screwed with an extrusion nut 108, and it is convenient to push the lifting ring 107 to move through the extrusion nut 108. The extrusion nut 108 is located on the top wall of the lifting ring 107.
[0021] In this embodiment: by rotating the extrusion nut 108 to move it on the outer wall of the cylinder barrel 103, pushing the lifting ring 107 to move through the extrusion nut 108, driving the connecting rod 106 to rotate through the lifting ring 107, and pushing the support frame 105 to rotate through the connecting rod 106, so that the support frame 105 rotates to a horizontal state, placing multiple groups of support frames 105 and the cylinder barrel 103 on the ground at a specified position for support, and driving the piston rod 104 to perform a jacking operation by starting the oil pump 100, the device can facilitate increasing the support area. The cooperation of multiple groups of support frames 105 is beneficial to more stably support the cylinder barrel 103 and is beneficial to improving the stability of the device during jacking.
[0022] It should be noted that the oil pump 100 is connected to the oil cylinder 101 through a high-pressure oil pipe 102 to provide power for the oil cylinder 101, so that the piston rod 104 of the oil cylinder 101 advances. The main improvement point of this solution lies in the support of the oil cylinder 101. The specific internal structures of the oil pump 100 and the oil cylinder 101 are prior art and will not be elaborated here;
[0023] A fixing ring 109 is fixedly connected to the outer wall of the cylinder barrel 103. The extrusion spring 110 is supported through the fixing ring 109. A top wall of the fixing ring 109 is fixedly connected to the extrusion spring 110. The lifting ring 107 is pushed to move through the extrusion spring 110. The top end of the extrusion spring 110 is arranged on the bottom wall of the lifting ring 107.
[0024] In this embodiment: Reverse the extrusion nut 108 to make it rise, release the extrusion of the lifting ring 107. The elastic force of the extrusion spring 110 facilitates pushing the lifting ring 107 to move upward. The connecting rod 106 is driven to rotate through the lifting ring 107, and the support frame 105 is driven to rotate through the connecting rod 106, so that the support frame 105 rotates for storage. It can make the device facilitate the lifting and reset of the lifting ring 107, facilitate the contraction of the support frame 105, reduce the floor area of the hydraulic jack, and avoid the inconvenience of storing the jack.
[0025] Limit grooves are evenly opened on the outer wall of the cylinder barrel 103. The movement of the limiting strip 111 is limited and guided through the limit grooves. Limiting strips 111 are evenly fixedly connected to the inner wall of the lifting ring 107. The movement of the lifting ring 107 is limited and guided through the limiting strips 111. The limiting strips 111 are located on the inner wall of the limit grooves.
[0026] In this embodiment: By arranging the limiting strips 111, the movement of the lifting ring 107 is limited and guided, avoiding the deflection of the lifting ring 107, being conducive to the translational lifting of the lifting ring 107, and facilitating the rotation adjustment of the connecting rod 106.
[0027] A clamping block 112 is fixedly connected to the top wall of the piston rod 104. The installation of the top head 113 is limited through the clamping block 112. A clamping groove is opened on the top wall of the clamping block 112. The clamping groove is arranged in a T shape. The top head 113 is movably connected to the inner wall of the clamping groove. The top head 113 is convenient for fitting against a component for jacking.
[0028] In this embodiment: Install the top head 113 into the inner cavity of the clamping groove. The clamping block 112 is driven to move through the movement of the piston rod 104, the top head 113 is driven to rise and fall through the clamping block 112, and the top head 113 is convenient for jacking against the bottom wall of the component. It can make the device facilitate the replacement of different top heads 113, facilitate the jacking operation of different components, and is conducive to improving the practicability of the device.
[0029] An installation ring 114 is fixedly connected to the outer wall of the snap-in block 112. The return spring 115 is supported by the installation ring 114. A return spring 115 is fixedly connected to the top wall of the installation ring 114. The limiting ring 116 is pushed by the return spring 115. The top end of the return spring 115 is fixedly connected to the limiting ring 116. The limiting ring 116 is used to limit and snap the top head 113. The limiting ring 116 is located on the outer wall of the top head 113.
[0030] In this embodiment: By providing the installation ring 114, it is convenient to support the return spring 115. By the return spring 115, it is convenient to push the limiting ring 116 to reset. By the limiting ring 116, it is convenient to limit the top head 113. By pressing the limiting ring 116, the limit on the top head 113 can be released, which is convenient for loading and unloading the top head 113 and can facilitate the limiting and fixing of the top head 113.
Claims
1. A multi-functional separable hydraulic jack, comprising an oil pump (100) and a cylinder (101), wherein the oil pump (100) is communicatively connected to the cylinder (101) through a high-pressure oil pipe (102); the cylinder (101) mainly consists of a cylinder barrel (103) and a piston rod (104) located inside the cylinder barrel (103), and the top of the piston rod (104) extends out of the cylinder barrel (103), characterized in that: The outer wall of the oil cylinder (101) is evenly provided with support frames (105), and the other ends of the support frames (105) are all provided with connecting rods (106). The outer wall of the cylinder barrel (103) is provided with a lifting ring (107), and the other ends of the connecting rods (106) are all arranged on the outer wall of the lifting ring (107). The outer wall of the cylinder barrel (103) is provided with a pushing nut (108), and the pushing nut (108) is located on the top wall of the lifting ring (107).
2. The multifunctional separable hydraulic jack according to claim 1, wherein: The outer wall of the cylinder barrel (103) is provided with a fixing ring (109), the top wall of the fixing ring (109) is provided with a pushing spring (110), and the top end of the pushing spring (110) is arranged on the bottom wall of the lifting ring (107).
3. The multifunctional separable hydraulic jack according to claim 1, characterized in that: The outer wall of the cylinder barrel (103) is evenly provided with limiting grooves, the inner wall of the lifting ring (107) is evenly provided with limiting strips (111), and the limiting strips (111) are located on the inner wall of the limiting grooves.
4. The multifunctional separable hydraulic jack according to claim 1, characterized in that: The top wall of the piston rod (104) is provided with a clamping block (112), the top wall of the clamping block (112) is provided with a clamping groove, the clamping groove is arranged in a T shape, and the inner wall of the clamping groove is provided with a top head (113).
5. The multifunctional separable hydraulic jack according to claim 4, characterized in that: The outer wall of the clamping block (112) is provided with a mounting ring (114), the top wall of the mounting ring (114) is provided with a return spring (115), the top end of the return spring (115) is provided with a limiting ring (116), and the limiting ring (116) is located on the outer wall of the top head (113).
Citation Information
Patent Citations
Separated hydraulic jack
CN211169673U