Simple jack
By designing a simple, purely mechanical jack, using a vertical cylinder, screw, and lifting unit structure, the problems of easy failure, heavy weight, and high cost of traditional hydraulic jacks are solved, achieving a low failure rate, easy maintenance, and lightweight emergency repair solution.
Patent Information
- Application Number
- CN202423056949.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Traditional hydraulic jacks have a sophisticated structure, are prone to failure, are difficult to repair, costly, inconvenient to carry, and have long procurement cycles, making them unable to meet emergency repair needs.
Design a simple, purely mechanical jack, including a support unit and a lifting unit. It adopts a structure of vertical cylinder, positioning sleeve and screw, and uses nuts and operating handles to achieve lifting. The lifting unit adapts to different sizes through a support plate and positioning wedges. The support unit consists of a base, a fixing ring and a support arm, and is made of metal profiles.
With its simple structure, low failure rate, easy maintenance, light weight, portability, and low cost, it is suitable for use in factory waste materials and can meet emergency repair needs.
Smart Images
Figure CN223592308U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of the repair auxiliary tool, concretely relates to a simple and easy jack. BACKGROUND
[0002] In the daily operation of the washing and selecting factory, the jack is widely used in the equipment maintenance, material carrying and other aspects as the important hoisting tool, and the frequency of use is extremely high.
[0003] The traditional jack is mainly the hydraulic jack, although the function is relatively complete, but the mechanical structure of the jack is precise, and the jack is prone to failure in long-term use, and the maintenance difficulty is big, and the cost of the jack is high, the procurement cycle of the unit is long, the weight is big, and the jack is inconvenient to carry, when the equipment of the workshop suddenly breaks down and needs emergency maintenance, the deficiency of the traditional jack is particularly obvious.
[0004] Therefore, we design a simple and easy mechanical jack device. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at providing a simple and easy jack to solve the above problems in the prior art.
[0006] In order to realize the above object, the utility model adopts the following technical scheme:
[0007] A simple and easy jack, including support unit and jacking unit, the jacking unit is vertically installed on the support unit, and the jacking unit is further provided with an operating handle and a lifting unit, the jacking unit is mainly composed of a vertical cylinder, a positioning sleeve and a screw rod, the positioning sleeve is installed at the top of the vertical cylinder, the screw rod is inserted in the vertical cylinder, and the top of the screw rod extends to the outside of the vertical cylinder through the positioning sleeve, the lifting unit is installed at the top of the screw rod.
[0008] Further, the operating handle includes a nut, the nut is screwed on the rod body of the screw rod outside the vertical cylinder, and three operating rods arranged horizontally are welded on the outer side of the nut with the screw rod as the center.
[0009] Further, the lifting unit includes a supporting plate, a sleeve head is welded at the bottom center position of the supporting plate, the sleeve head is detachably fixedly installed at the top of the screw rod, and the supporting plate is designed to be perpendicular to the screw rod, adjusting notches are formed at both ends of the supporting plate, and positioning wedges are installed on the adjusting notches at both ends of the top of the supporting plate through screws.
[0010] Further, the support unit includes a base and a fixing ring, the base and the fixing ring are sleeved on the outside of the vertical cylinder, and a plurality of supporting arms are welded between the base and the fixing ring with the vertical cylinder as the center.
[0011] Further, the base is welded by three steel bars, and three reinforcing plates are welded at equal distances from the center of the base for installing the stand cylinder.
[0012] Further, the positioning sleeve comprises a flange plate, a sleeve pipe is welded at the center perforated position of the flange plate, the sleeve pipe is inserted into the stand cylinder, and a clamping ring matched with the top end of the stand cylinder is formed at the bottom of the outer edge of the flange plate.
[0013] Further, the inner pipe diameter of the sleeve pipe is 1-1.5 mm larger than the outer diameter of the screw rod.
[0014] Further, the bottom end of the screw rod is welded with a guide column, the outer diameter of the guide column is matched with the inner diameter of the stand cylinder, and the guide column is in sliding fit with the inner side of the stand cylinder.
[0015] Further, the base and the fixing ring are assembled and installed between the stand cylinder by one of welding and sliding fit.
[0016] Further, the outer side of the bottom end of the stand cylinder is provided with a circle of anti-disengagement rings.
[0017] Beneficial effects:
[0018] The simple and easy jack has the advantages of simple structure, convenient operation, low mechanical failure rate, effective disassembly and separation between components, simple maintenance, light weight compared with a hydraulic jack with the same stroke, convenient carrying, common metal profiles for the device structure, and low manufacturing cost of the device. BRIEF DESCRIPTION OF DRAWINGS
[0019] Fig. 1 Fig. 1 is a structural schematic view of the simple and easy jack;
[0020] Fig. 2 Fig. 2 is a half-section structural schematic view of the simple and easy jack;
[0021] Fig. 3 Fig. 3 is an enlarged structural schematic view of a partial section of the simple and easy jack.
[0022] In the drawings: 1, base; 2, fixing ring; 3, supporting arm; 4, reinforcing plate; 5, stand cylinder; 501, anti-disengagement ring; 6, positioning sleeve; 601, flange plate; 602, sleeve pipe; 7, screw rod; 8, operating handle; 9, supporting plate; 10, adjusting notch; 11, positioning wedge; 12, sleeve head. DETAILED DESCRIPTION
[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the present application will be briefly introduced below together with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the drawings is only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor. It should be noted that the description of these embodiments is used to help understand the present application, but does not constitute a limitation on the present application.
[0024] Embodiment:
[0025] In view of the problems that the traditional hydraulic jack is heavy, not easy to carry, the internal structure is precise and easy to be damaged, and the maintenance needs to be carried out at the designated after-sales or maintenance point, which is extremely inconvenient, and the procurement cycle of such jack is long and the cost is high, we propose a simple and pure mechanical jack device, and the specific design scheme is as follows:
[0026] As shown in Figs. 1-3 The present embodiment provides a simple jack, which comprises a support unit and a jacking unit. The jacking unit is vertically installed on the support unit, and the support unit provides support for the jacking unit to maintain a stable vertical state. The jacking unit is also provided with an operating handle 8 and a lifting unit. The main function of the lifting unit is to position the object to be lifted to avoid the object from falling off the device and causing safety accidents.
[0027] In order to realize the pure mechanical vertical lifting of the object, the jacking unit mainly comprises a vertical cylinder 5, a positioning sleeve 6 and a screw rod 7. The positioning sleeve 6 is installed at the top of the vertical cylinder 5, and the screw rod 7 is inserted into the vertical cylinder 5. The top of the screw rod 7 extends to the outside of the vertical cylinder 5 through the positioning sleeve 6. The lifting unit is installed at the top of the screw rod 7. The operating handle 8 comprises a nut, which is screwed on the rod body of the screw rod 7 outside the vertical cylinder 5. Three horizontal operating rods are welded on the outside of the nut with the screw rod 7 as the center.
[0028] When using the device to lift the target object, the device is vertically placed under the target object, the bottom of the vertical cylinder 5 is placed on the ground or a base platform, and the support unit is used to support and position the jacking unit so that it always maintains a vertical state. Then the target object is placed on the lifting unit, and the operating handle 8 is rotated to move towards the bottom of the screw rod 7. The top of the lifting unit is designed as a groove, which cooperates with the lifted object to prevent the screw rod 7 from rotating. Therefore, under the continuous rotation of the operating handle 8, the screw rod 7 moves upward to realize the lifting operation of the target object while the position of the vertical cylinder 5 remains unchanged.
[0029] AsFigs. 2-3 As shown, in order to cooperate with the positioning of the screw 7 between the object, avoid screw 7 in the operation of the handle 8 screw during the process of synchronous rotation, its lifting unit includes the supporting plate 9, the bottom center position of the supporting plate 9 is welded with the sleeve head 12, the sleeve head 12 can be detachably fixed on the top end of the screw 7; Wherein, it needs to be pointed out that the sleeve head 12 and the screw 7 need to keep relative fixed, the rotation between them can not occur, and the supporting plate 9 and the screw 7 keep perpendicular design; At the same time, the adjusting slot 10 is provided at both ends of the supporting plate 9, and the positioning wedge 11 is installed on the adjusting slot 10 at both ends of the top of the supporting plate 9 through the screw, wherein the positioning wedge 11 is installed on the adjusting slot 10 through the screw, the position is adjustable, and the installation of the two positioning wedges 11 cooperates with the supporting plate 9 to form a width adjustable groove structure on the top of the supporting plate 9, which is used to adapt to different sizes of rack profiles.
[0030] In order to effectively support and position the jacking unit, the support unit includes a base 1 and a fixing ring 2, wherein the base 1 and the fixing ring 2 are sleeved on the outside of the vertical cylinder 5, and a plurality of support arms 3 are welded between the base 1 and the fixing ring 2 with the vertical cylinder 5 as the center. The base 1 is composed of three steel bars, and three reinforcing plates 4 are welded equidistantly around the vertical cylinder 5 at the position of the base 1 for mounting the vertical cylinder 5. The inner side of the reinforcing plate 4 is designed in an arc shape matching the surface curvature of the vertical cylinder 5. Further, the base 1 and the fixing ring 2 are assembled and installed with the vertical cylinder 5 in one of the welding or sliding sleeve connection modes. When the base 1 and the fixing ring 2 are assembled with the vertical cylinder 5 in the sliding sleeve connection mode, a circle of anti-loosing ring 501 is arranged on the outside of the bottom end of the vertical cylinder 5 to prevent the vertical cylinder 5 from separating from the support unit.
[0031] As shown in the figure, Fig. 3 In order to prevent the screw 7 from being tilted after being stretched out of the top end of the vertical cylinder 5 under the action of the handle 8, the positioning sleeve 6 includes a flange plate 601, a sleeve pipe 602 is welded at the center perforated position of the flange plate 601, the sleeve pipe 602 is inserted into the vertical cylinder 5, and a clamping ring is formed at the bottom of the outer edge of the flange plate 601 to match the top end of the vertical cylinder 5 for positioning the installation between the vertical cylinder 5 and the positioning sleeve 6. At the same time, without affecting the movement of the screw 7, it can also play a guiding and positioning role for the screw 7, the inner diameter of the sleeve pipe 602 is 1-1.5mm larger than the outer diameter of the screw 7, and a guide column is welded at the bottom end of the screw 7, the outer diameter of the guide column matches the inner diameter of the vertical cylinder 5, and the guide column and the inner side of the vertical cylinder 5 slide together.
[0032] The whole jack is simple in structural design, convenient in operation, low in failure rate, and can be effectively disassembled and separated, and is simple in maintenance, and is lighter in weight than the hydraulic jack with the same stroke, and is convenient to carry, and is made of common metal profiles, and can be made by the idle and abandoned materials of the workshop, so as to change the waste into treasure, and the manufacturing cost of the whole device is far lower than that of the traditional hydraulic jack.
[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the scope of protection of the present application.
Claims
1. A simple jack, characterized in that, The support unit and the jacking unit are included; The jacking unit is vertically installed on the support unit, and an operating handle (8) and a lifting unit are further installed on the jacking unit; The jacking unit mainly comprises a vertical cylinder (5), a positioning sleeve (6) and a screw rod (7), the positioning sleeve (6) is installed at the top end of the vertical cylinder (5), the screw rod (7) is inserted into the vertical cylinder (5), and the top end of the screw rod (7) extends to the outside of the vertical cylinder (5) through the positioning sleeve (6). The lifting unit is installed at the top end of the screw rod (7).
2. A simple jack as claimed in claim 1, characterized in that The operating handle (8) comprises a nut, the nut is screwed on the rod body of the screw rod (7) outside the vertical cylinder (5), and three operating rods arranged horizontally are welded at equal distances on the outer side of the nut with the screw rod (7) as the center.
3. A simple jack as claimed in claim 1, characterized in that The lifting unit comprises a supporting plate (9), a sleeve head (12) is welded at the bottom center of the supporting plate (9), the sleeve head (12) is detachably fixedly installed at the top end of the screw rod (7), and the supporting plate (9) is designed to be perpendicular to the screw rod (7); adjusting notches (10) are formed at both ends of the supporting plate (9), and positioning wedge blocks (11) are installed on the adjusting notches (10) at both ends of the top of the supporting plate (9) through screws.
4. The simple jack as claimed in claim 1, wherein The support unit comprises a base (1) and a fixed ring (2), the base (1) and the fixed ring (2) are sleeved on the outside of the vertical cylinder (5), and a plurality of supporting arms (3) are further welded between the base (1) and the fixed ring (2) with the vertical cylinder (5) as the center.
5. A simple jack as claimed in claim 4, characterized in that The base (1) is composed of three steel bars welded together, three reinforcing plates (4) are welded at equal distances on the base (1) with the vertical cylinder (5) as the center at the position for installing the vertical cylinder (5), and the inner side of the reinforcing plate (4) is designed in an arc structure matching the surface arc of the vertical cylinder (5).
6. A simple jack as claimed in claim 1, characterized in that The positioning sleeve (6) comprises a flange plate (601), a sleeve pipe (602) is welded at the center perforated position of the flange plate (601), the sleeve pipe (602) is inserted into the vertical cylinder (5), and a clamping ring matching the top end of the vertical cylinder (5) is formed at the bottom of the outer edge of the flange plate (601).
7. A simple jack as claimed in claim 6, characterized in that The inner tube diameter of the sleeve pipe (602) is 1-1.5 mm larger than the outer diameter of the screw rod (7).
8. A simple jack as claimed in claim 1, characterized in that A guide column is welded at the bottom end of the screw rod (7), the outer diameter of the guide column matches the inner diameter of the vertical cylinder (5), and the guide column is in sliding fit with the inner side of the vertical cylinder (5).
9. A simple jack as claimed in claim 4, characterized in that The base (1) and the fixed ring (2) are assembled and installed on the vertical cylinder (5) in one of the following ways: welding or sliding fit.
10. The simple jack as claimed in claim 1, wherein, A circle of anti-disengagement rings (501) is arranged on the outside of the bottom end of the vertical cylinder (5).