CN215946608U - Anti-falling safety device of hydraulic jack - Google Patents
Anti-falling safety device of hydraulic jack Download PDFInfo
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- CN215946608U CN215946608U CN202121658757.1U CN202121658757U CN215946608U CN 215946608 U CN215946608 U CN 215946608U CN 202121658757 U CN202121658757 U CN 202121658757U CN 215946608 U CN215946608 U CN 215946608U
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- buckle
- adjusting nut
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Abstract
The utility model discloses a falling-preventing safety device of a hydraulic jack, which comprises a rod body, wherein a pressure relief valve is arranged on a wall body at the top of the rod body, an oil pumping handle is arranged in a wall body on one side of the pressure relief valve, a telescopic oil cylinder is also arranged in the wall body in the rod body, a plurality of adjusting clamping grooves are also formed in the wall body on one side of the rod body, an adjustable lifting hook is also arranged on a wall body on the outer side of the rod body, a fixed lifting hook is also arranged on a wall body below the telescopic oil cylinder, a base is also arranged on a wall body at the bottom of the telescopic oil cylinder, a falling-preventing mechanism is also arranged on the wall body at the bottom of the rod body, and the falling-preventing mechanism comprises an installation pipe, an adjusting nut and a buckle. The utility model discloses an anti-falling safety device of a hydraulic jack, and relates to the technical field of jacks.
Description
Technical Field
The utility model relates to the technical field of jacks, in particular to a falling-preventing safety device of a hydraulic jack.
Background
The jack is light and small hoisting equipment which takes a rigid jacking piece as a working device and jacks a heavy object in a small stroke through a top bracket or a bottom supporting claw, is mainly used for vehicle repair and other hoisting, supporting and other works in the departments of factory and mining, transportation and the like, and is divided into a mechanical jack, a hydraulic jack and the like, and the principles are different. In principle, the most basic principle on which a hydraulic drive is based is pascal's law, i.e. the pressure is uniform throughout the liquid. Thus, in a balanced system, a relatively small piston exerts a relatively small pressure on it, while a large piston exerts a relatively large pressure on it, which keeps the liquid still. Therefore, different pressures at different ends can be obtained by the liquid transfer, and the purpose of conversion can be achieved. The common hydraulic jack uses the principle to achieve the force transmission. The screw jack pulls the handle repeatedly, the pulling claw pushes the ratchet wheel to rotate in a clearance mode, the bevel pinion drives the bevel pinion to enable the lifting screw to rotate, and therefore the lifting sleeve can lift or descend to achieve the function of lifting tension.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an anti-falling safety device of a hydraulic jack, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a hydraulic jack's safety device that prevents tenesmus, includes the body of rod, be equipped with the pressure release valve on the body of rod top wall, be equipped with the handle of buying oil in the pressure release valve lateral wall body, still be equipped with flexible hydro-cylinder in the body of rod internal wall body, still seted up a plurality of adjustment slot in the body of rod lateral wall body, still be equipped with the adjustable hook of lifting on the body of rod outside wall body, still be equipped with fixed hook of lifting on the flexible hydro-cylinder below wall body, still be equipped with the base on the flexible hydro-cylinder bottom wall body, still be equipped with on the body of rod bottom wall and prevent the mechanism that tenesmus, prevent that the mechanism that tenesmus is including installation pipe, adjusting nut and buckle.
Preferably, the anti-falling mechanism is further provided with a plurality of check clamping grooves in wall bodies on two sides of the telescopic oil cylinder.
Preferably, be equipped with first external thread pipe on the installation pipe top wall body, the shaping is pour as an organic whole with the installation pipe to first external thread pipe screw in is installed in the thread groove of body of rod bottom wall body, still be equipped with second external thread pipe on the installation pipe both sides wall body respectively, the shaping is pour as an organic whole with the installation pipe to second external thread pipe.
Preferably, buckle top wall body passes through hinge fixed mounting on the top wall body in installation pipe one side cavity, still be equipped with the fixing base on the buckle lateral wall body, a fixing base lateral wall body passes through welded mode fixed mounting on buckle lateral wall body.
Preferably, a thread groove is formed in the inner wall of one side of the adjusting nut, the adjusting nut is screwed in the second external thread pipe on the wall body of one side of the installation pipe through the thread groove, and a connecting shaft is further arranged in the through hole in the other side wall body of the adjusting nut.
Preferably, the connecting shaft lateral wall body is installed in the fixing base on one side of the buckle in a penetrating mode, the buckle is movably connected with the fixing base through the fixing shaft, the connecting shaft lateral wall body penetrates through a through hole in the adjusting nut lateral wall body and extends to the outside of the adjusting nut, a stop block is fixedly installed on the connecting shaft lateral wall body in a welding mode, a compression spring is further sleeved on the outer wall of the connecting shaft and is located on a connecting shaft body between the buckle and the adjusting nut lateral wall body.
Compared with the prior art, the utility model has the following beneficial effects:
according to the anti-falling safety device of the hydraulic jack, due to the arrangement of the anti-falling mechanism, the extension of the telescopic oil cylinder is not influenced, and meanwhile, a real-time limiting function is achieved between the rod body and the telescopic oil cylinder, so that accidents caused by the fact that the telescopic oil cylinder contracts into the rod body when the telescopic oil cylinder is out of pressure are prevented.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a cross-sectional view of the anti-sag mechanism of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure: 1. a rod body; 2. a pressure relief valve; 3. a handle for oiling; 4. a telescopic oil cylinder; 5. adjusting the clamping groove; 6. the lifting hook can be adjusted; 7. fixing the lifting hook; 8. a base; 9. an anti-drop mechanism; 10. installing a pipe; 11. adjusting the nut; 12. buckling; 13. a first externally threaded tube; 14. a non-return clamping groove; 15. a second externally threaded pipe; 16. a screw groove; 17. a connecting shaft; 18. a stopper; 19. a hinge; 20. a fixed seat; 21. compressing the spring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
As shown in fig. 1-3, the anti-falling safety device for a hydraulic jack provided by the utility model comprises a rod body 1, a pressure relief valve 2 is arranged on a wall body at the top of the rod body 1, an oil pumping handle 3 is arranged in a wall body on one side of the pressure relief valve 2, a telescopic oil cylinder 4 is further arranged in the wall body in the rod body 1, a plurality of adjusting clamping grooves 5 are further formed in the wall body on one side of the rod body 1, an adjustable lifting hook 6 is further arranged on a wall body on the outer side of the rod body 1, a fixed lifting hook 7 is further arranged on a wall body below the telescopic oil cylinder 4, a base 8 is further arranged on a wall body at the bottom of the telescopic oil cylinder 4, an anti-falling mechanism 9 is further arranged on the wall body at the bottom of the rod body 1, and the anti-falling mechanism 9 comprises an installation pipe 10, an adjusting nut 11 and a buckle 12.
The anti-falling mechanism 9 is also provided with a plurality of non-return clamping grooves 14 in the wall bodies at the two sides of the telescopic oil cylinder 4.
Be equipped with first external screw thread pipe 13 on the wall body of installation pipe 10 top, first external screw thread pipe 13 pours the shaping as an organic whole with installation pipe 10 to first external screw thread pipe 13 screw in is installed in the thread groove of the body of rod 1 bottom wall body, still is equipped with second external screw thread pipe 15 on the wall body of installation pipe 10 both sides respectively, and second external screw thread pipe 15 pours the shaping as an organic whole with installation pipe 10.
The top wall body of buckle 12 passes through hinge 19 fixed mounting on the top wall body in installation pipe 10 one side cavity, still is equipped with fixing base 20 on the 12 side wall bodies of buckle, and 20 side wall bodies of fixing base pass through welded mode fixed mounting on 12 side wall bodies of buckle, through the setting of buckle 12, can be so that carry out real-time spacing between the body of rod 1 and the flexible hydro-cylinder 4.
A thread groove 16 is formed in the inner wall of one side of the adjusting nut 11, the adjusting nut 11 is screwed on the second external thread pipe 15 arranged on the wall body of one side of the mounting pipe 10 through the thread groove 16, and a connecting shaft 17 is further arranged in a through hole in the other side wall body of the adjusting nut 11.
Connecting axle 17 lateral wall body alternates and installs in the fixing base 20 of buckle 12 one side, and through fixed axle swing joint between buckle 12 and the fixing base 20, connecting axle 17 opposite side wall body passes the through-hole on the 11 lateral wall body of adjusting nut and extends to adjusting nut 11 outsidely, and still have dog 18 through welded mode fixed mounting on the connecting axle 17 opposite side wall body, it has compression spring 21 still to overlap on the connecting axle 17 outer wall, compression spring 21 is located the connecting axle 17 axis body between buckle 12 and the 11 lateral wall body of adjusting nut, setting through connecting axle 17, be convenient for carry out spacing and position control to buckle 12.
It should be noted that, when the utility model is a hydraulic jack falling-proof safety device, when the telescopic cylinder 4 continuously moves outwards from the rod body 1, the outer wall of the telescopic cylinder 4 continuously slides on the buckles 12 in the two side walls of the mounting tube 10, at the same time, the outer wall of the telescopic cylinder 4 respectively pushes the two buckles 12 to one side, so that the buckles 12 rotate around the hinge 19 on the top wall, at the same time, the other side of the buckles 12 rotates in the through hole in one side wall of the connecting shaft 17 through the fixing shaft 20, and pushes the connecting shaft 17 to one side, and at the same time, the compression spring 21 on the connecting shaft 17 compresses to one side wall of the adjusting nut 11, and when the lower wall of one side of the buckles 12 is located in the non-return slot 14 on the outer side wall of the telescopic cylinder 4, the buckles 12 are rebounded by the compression spring 21, so that the lower side of the buckles 12 are clamped into the corresponding non-return slot 14, and then carry on spacingly to the position between the body of rod 1 and the flexible hydro-cylinder 4, prevent the tenesmus, and when the flexible hydro-cylinder 4 normally withdraws, can be with the adjusting nut 11 spinning of installation pipe 10 both sides, and then make adjusting nut 11 to one side spinning on the second external thread pipe 15 of installation pipe 10 one side, and then drive connecting axle 17 through adjusting nut 11 and remove to one side, and then drive fixing base 20 and buckle 12 below wall body to one side removal through connecting axle 17, and then make buckle 12 below wall body break away from non return draw-in groove 14, and then be convenient for the normal recovery of flexible hydro-cylinder 4.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a hydraulic jack's safety device that prevents weighing down which characterized in that: including the body of rod (1), be equipped with pressure relief valve (2) on the body of rod (1) top wall body, be equipped with in pressure relief valve (2) a lateral wall body and polish handle (3), still be equipped with flexible hydro-cylinder (4) in the body of rod (1) internal wall body, still seted up a plurality of regulation draw-in groove (5) in the body of rod (1) a lateral wall body, still be equipped with the adjustable hook (6) of lifting on the body of rod (1) the lateral wall body, still be equipped with fixed hook (7) of lifting on flexible hydro-cylinder (4) the below wall body, still be equipped with base (8) on flexible hydro-cylinder (4) the bottom wall body, still be equipped with on the body of rod (1) bottom wall body and prevent tenesmus mechanism (9), prevent tenesmus mechanism (9) including installation pipe (10), adjusting nut (11) and buckle (12).
2. The anti-drop safety device of a hydraulic jack according to claim 1, wherein: the anti-falling mechanism (9) is also provided with a plurality of non-return clamping grooves (14) in the wall bodies at two sides of the telescopic oil cylinder (4).
3. The anti-drop safety device of a hydraulic jack according to claim 2, wherein: be equipped with first external thread pipe (13) on installation pipe (10) top wall body, first external thread pipe (13) are the integrated into one piece with installation pipe (10) and pour the shaping, and in the thread groove of body of rod (1) bottom wall body was installed in first external thread pipe (13) screw in, still be equipped with second external thread pipe (15) on installation pipe (10) both sides wall body respectively, second external thread pipe (15) are the integrated into one piece with installation pipe (10) and pour the shaping.
4. An anti-drop safety device of a hydraulic jack according to claim 3, wherein: buckle (12) top wall body passes through hinge (19) fixed mounting on the top wall body in installation pipe (10) one side cavity, still be equipped with fixing base (20) on buckle (12) one side wall body, fixing base (20) one side wall body passes through welded mode fixed mounting on buckle (12) one side wall body.
5. An anti-drop safety device of a hydraulic jack according to claim 4, wherein: a thread groove (16) is formed in the inner wall of one side of the adjusting nut (11), the adjusting nut (11) is screwed in a second external thread pipe (15) of one side wall body of the mounting pipe (10) through the thread groove (16), and a connecting shaft (17) is further arranged in a through hole in the other side wall body of the adjusting nut (11).
6. An anti-drop safety device of a hydraulic jack according to claim 5, wherein: connecting axle (17) lateral wall body alternates to be installed in fixing base (20) of buckle (12) one side, and through fixed axle swing joint between buckle (12) and fixing base (20), connecting axle (17) opposite side wall body passes through the through-hole on adjusting nut (11) lateral wall body and extends to adjusting nut (11) outside, and still through welded mode fixed mounting dog (18) on connecting axle (17) opposite side wall body, it has compression spring (21) still to overlap on connecting axle (17) outer wall, compression spring (21) are located connecting axle (17) axis body between buckle (12) and adjusting nut (11) lateral wall body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121658757.1U CN215946608U (en) | 2021-07-21 | 2021-07-21 | Anti-falling safety device of hydraulic jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121658757.1U CN215946608U (en) | 2021-07-21 | 2021-07-21 | Anti-falling safety device of hydraulic jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215946608U true CN215946608U (en) | 2022-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121658757.1U Active CN215946608U (en) | 2021-07-21 | 2021-07-21 | Anti-falling safety device of hydraulic jack |
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| CN (1) | CN215946608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114590736A (en) * | 2022-03-15 | 2022-06-07 | 宁波市奉化区南方机械制造有限公司 | Telescopic adjustable jack |
-
2021
- 2021-07-21 CN CN202121658757.1U patent/CN215946608U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114590736A (en) * | 2022-03-15 | 2022-06-07 | 宁波市奉化区南方机械制造有限公司 | Telescopic adjustable jack |
| CN114590736B (en) * | 2022-03-15 | 2024-01-12 | 宁波市奉化区南方机械制造有限公司 | Jack capable of telescopic regulation |
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