Hydraulic jack convenient to adjust

Abstract

The utility model discloses a hydraulic jack convenient to adjust, which relates to the technical field of hydraulic jacks and comprises a mounting base, a hydraulic cylinder, a movable lever and a plugging cylinder are mounted at the top of the mounting base, a reset knob is mounted on one side of the hydraulic cylinder, and a limiting sleeve is fixedly mounted on one side of the plugging cylinder. The top end of the movable lever is movably connected with a movable connecting rod, one side of the movable connecting rod is connected with a piston in the plugging cylinder, a sleeve is fixedly installed at the top of the movable connecting rod, and a folding telescopic rod is installed in the sleeve. According to the hydraulic jack, the handle of the hydraulic jack can be folded and stretched out and drawn back through the folding telescopic rod, due to the folding function, the device can be directly stored and used without disassembling and installing the handle, the use time is saved for a user, a lot of troubles are avoided, and the hydraulic jack is very simple and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic jack technical field, concretely is a hydraulic jack convenient to adjust. BACKGROUND

[0002] Hydraulic jack refers to using plunger or hydraulic cylinder as rigid top to carry out weight lifting, has firm structure, stable work, heavy lifting force, can be locked and so on, and the buttress capacity among them is particularly outstanding, and even can buttress more than 100 tons of heavy object using heavy hydraulic jack.

[0003] Hydraulic jack has been widely used in various industries, and is used in the fields such as electric power, oil field, oil refining, petrochemical, chemical industry, ship, steel, metallurgy, machinery manufacturing, cement, engineering construction and so on, using hydraulic jack can help us solve many troublesome problems, for example, repairing car, lifting and taking things, it is very convenient, almost every vehicle will be equipped with a jack, and it is convenient for temporary repair when the car breaks down.

[0004] Some existing hydraulic jacks have small size but can buttress heavy goods, are a kind of general tool with very good use performance, almost every family will be equipped with one, but some existing hydraulic jacks are inconvenient to store directly due to structural characteristics, need to be stored after disassembling handle, and are installed when using, it is more troublesome, and it is time-consuming and inconvenient for users to use directly. CONTENT OF THE UTILITY MODEL

[0005] Therefore, the utility model aims at providing a kind of hydraulic jack convenient to adjust to solve the technical problem mentioned in the above background art.

[0006] To achieve the above object, the utility model provides following technical scheme: a hydraulic jack convenient to adjust, including installation base, the top of installation base is equipped with hydraulic cylinder, movable lever and plug -in cylinder, one side of hydraulic cylinder is installed with recovery knob, one side of plug -in cylinder is fixedly installed with limit sleeve, the top of movable lever is movably connected with movable connecting rod, one side of movable connecting rod is connected with the piston in plug -in cylinder, the top of movable connecting rod is fixedly installed with sleeve, the sleeve is installed with folding telescopic link, folding telescopic link includes the head of a bar and telescopic link, the head of a bar is fixedly installed in the inside of sleeve, telescopic link is connected in the rear end of the head of a bar, the head of a bar includes head of a bar shell, one side of head of a bar shell is equipped with slide hole, the inside of slide hole is equipped with sliding block, the outside of sliding block is equipped with limit ring, the upper and lower sides of sliding block are equipped with first limit block, the upper and lower sides of slide hole are equipped with with first limit block matched first limit hole, locking mechanism is equipped between sliding block and head of a bar shell, the head of a bar shell is also equipped with unlocking mechanism, one side of telescopic link is fixedly installed with two opposite fixed plate, the fixed plate is welded with the pivot matched with limit ring, the inside of limit ring is movably connected with pivot.

[0007] By adopting the above technical scheme, the device has the function of supporting the load by using the hydraulic cylinder, movable lever and plug-in cylinder, the piston in the hydraulic cylinder is restored by opening the recovery knob, the movable lever, plug-in cylinder and sleeve are connected by using the movable connecting rod, the handle of the hydraulic jack can be folded and telescopic by using the folding telescopic link, the folding function enables the device to be directly stored and used without disassembly and installation, which saves time and effort, the telescopic function enables the device to be conveniently used under various environments and better bear stress, the use effect is better, the limit sleeve is used to limit the folded folding telescopic link during storage of the device, the folding telescopic function of the device is realized by using the head of a bar and telescopic link, the telescopic link can rotate around the pivot by using the limit ring and pivot, the telescopic link can slide with the sliding block by using the sliding block and slide hole, the sliding block cannot come out of the slide hole by using the first limit block and first limit hole, which ensures that the telescopic link can be connected at the rear of the head of a bar all the time, the locking effect of the telescopic link is realized by using the locking mechanism, and the locked telescopic link is unlocked by using the unlocking mechanism.

[0008] The utility model further sets up, locking mechanism includes installation hole, lock, pressure spring and lock hole, installation hole is equipped in the left and right sides of sliding block, lock is slidably equipped in installation hole, lock is connected with the bottom of installation hole through pressure spring, the left and right sides of slide hole are equipped with with lock hole matched with lock.

[0009] By adopting the technical scheme, the mounting hole is used to facilitate installation of the lock catch and the pressure spring, the lock catch, the pressure spring and the lock hole are used to lock the sliding block when the fixing plate and the rotating shaft on the telescopic rod completely enter the sliding hole, at this time, the fixing plate and the rotating shaft are fixed by the limiting effect of the sliding hole and the sliding block, and the telescopic rod and the rod head are integrated and can bear force to use the hydraulic jack.

[0010] The utility model further sets up, the unlocking mechanism includes the unlocking button, the unlocking button is located in the lock hole in sliding, the lock hole is equipped with a plurality of second limit hole, the unlocking button is equipped with a plurality of second limit block with second limit hole cooperation.

[0011] By adopting the technical scheme, the second limit hole and the second limit block are used to limit the unlocking button, and the unlocking button is used to make the lock hole be pushed out of the lock hole when the unlocking button is pressed, so that the telescopic rod is unlocked.

[0012] The utility model further sets up, the telescopic rod includes telescopic rod cover, the telescopic rod cover is connected in the rear end of rod head through the rotating shaft, the inside of telescopic rod cover is equipped with telescopic slide rod in sliding, the rear end of telescopic slide rod is fixedly installed with handle, and the limit mechanism is equipped between telescopic rod cover and telescopic slide rod.

[0013] By adopting the technical scheme, the telescopic rod cover and the telescopic slide rod are used to make the telescopic slide rod slide in the telescopic rod cover, the handle is used to facilitate the user to force, and the limit mechanism is used to limit the telescopic slide rod.

[0014] The utility model further sets up, the limit mechanism includes third limit hole and third limit block, the inside of telescopic rod cover is equipped with a plurality of third limit hole, and the outside of telescopic slide rod is fixedly equipped with a plurality of third limit block matched with third limit hole.

[0015] By adopting the technical scheme, the third limit hole and the third limit block are used to limit the sliding of the telescopic slide rod.

[0016] The utility model further sets up, the end of telescopic rod cover is equipped with two adaptation recess.

[0017] By adopting the technical scheme, the telescopic rod is not stuck when being rotated and folded to the top or the bottom.

[0018] The utility model further sets up, the outside of telescopic slide rod and third limit block all covers a layer of rubber.

[0019] By adopting the technical scheme, the friction between the telescopic slide rod and the telescopic rod cover is large enough, so that the telescopic slide rod does not easily slide when the device is used to support heavy objects.

[0020] The utility model further sets up, the position of telescopic rod cover inside near end part is equipped with air hole.

[0021] Through adopting above technical scheme, telescopic slide rod can inhale air through air hole when stretching, and can exhaust through air hole when telescopic slide rod pushes and presses, guaranteeing that the cavity formed between telescopic rod cover inside and telescopic slide rod end part is in atmospheric pressure balance.

[0022] The utility model further sets up, the arc cover on the limit cover is made of plastic with good elasticity.

[0023] Through adopting above technical scheme, telescopic rod cover can be installed to the inside of limit cover through pressing mode.

[0024] Summarized above, the utility model mainly has following beneficial effect:

[0025] 1, the utility model discloses a folding telescopic rod, and the handle of hydraulic jack can be folded, the locking mechanism is arranged in the rod head, and the fixed plate in the telescopic rod can be locked when being completely inserted into the rod head, the unlocking mechanism is arranged on the rod head, the telescopic rod can be unlocked, and the telescopic rod after unlocking can be folded around the pivot, the folding function of folding telescopic rod makes the device not need to disassemble and install handle, and can be directly stored and used, which is time-saving and labor-saving, very simple and convenient.

[0026] 2, the utility model discloses a folding telescopic rod, and the handle of hydraulic jack can be telescopic, and the telescopic function makes the device better use stress in various environments, and the use effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is one side structure schematic view when the utility model stores;

[0028] Figure 2 It is one side structure schematic view when the utility model uses;

[0029] Figure 3 It is folding telescopic rod split structure schematic view of the utility model;

[0030] Figure 4 It is one side cross section structure schematic view of the utility model's rod head;

[0031] Figure 5 It is the cross section structure schematic view of the utility model's rod head other side;

[0032] Figure 6 It is telescopic rod cross section structure schematic view of the utility model;

[0033] In the diagram: 100, mounting base; 101, hydraulic cylinder; 102, movable lever; 103, stopper cylinder; 104, reset knob; 105, limit sleeve; 106, movable connecting rod; 107, sleeve; 200, folding telescopic rod; 300, rod head; 301, rod head housing; 302, sliding hole; 303, slider; 304, limit ring; 305, first limit block; 306, first limit. 307. Mounting hole; 308. Lock; 309. Pressure spring; 310. Lock hole; 311. Unlock button; 312. Second limit hole; 313. Second limit block; 400. Telescopic rod; 401. Rotary shaft; 402. Telescopic rod sleeve; 403. Telescopic slide rod; 404. Handle; 405. Third limit hole; 406. Third limit block; 407. Adaptive groove; 408. Air hole. Detailed Implementation

[0034] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0035] The embodiments of this utility model will be described below based on its overall structure.

[0036] An easily adjustable hydraulic jack, such as Figure 1 - Figure 6As shown, including the installation base 100, the top of the installation is provided with hydraulic cylinder 101, movable lever 102 and plug cylinder 103, by being provided with hydraulic cylinder 101, movable lever 102 and plug cylinder 103 make the device has the function of supporting the weight, one side of the hydraulic cylinder 101 is provided with recovery knob 104, by opening and then closing recovery knob 104 will be lifted in the hydraulic cylinder piston recovery, one side of the plug cylinder 103 is fixedly provided with limit sleeve 105, the top of the movable lever 102 is movably connected with movable connecting rod 106, one side of the movable connecting rod 106 is connected with the piston in the plug cylinder 103, the top of the movable connecting rod 106 is fixedly provided with sleeve 107, by being provided with movable connecting rod 106 to connect movable lever 102, plug cylinder 103 and sleeve 107, the sleeve 107 is provided with folding telescopic rod 200, by being provided with folding telescopic rod 200 make the handle of the hydraulic jack can be folded and telescopic, folding function makes the device can be directly stored and used, without disassembly and installation, save time and labor, telescopic function makes the device is convenient to use stress in various environments, use effect is better, by being provided with limit sleeve 105 to limit the folding folding telescopic rod 200 when the device is stored, the folding telescopic rod 200 includes rod head 300 and telescopic rod 400, the rod head 300 is fixedly installed in the inside of sleeve 107, the telescopic rod 400 is connected at the rear end of rod head 300, by being provided with rod head 300 and telescopic rod 400 to realize the folding telescopic function of the device, the arc sleeve on the limit sleeve 105 is made of plastic with good elasticity, so that the telescopic rod 400 can be installed to the inside of the limit sleeve 105 by pressing, the rod head 300 includes rod head shell 301, one side of the rod head shell 301 is provided with sliding hole 302, the sliding hole 302 is slidably provided with sliding block 303, the outer side of the sliding block 303 is provided with limit ring 304, the upper and lower sides of the sliding block 303 are provided with first limit block 305, the upper and lower sides of the sliding hole 302 are provided with first limit hole 306 matched with the first limit block 305, the sliding block 303 and the rod head shell 301 are provided with locking mechanism, the locking mechanism includes mounting hole 307, lock 308, pressure spring 309 and lock hole 310, the mounting hole 307 is provided on the left and right sides of the sliding block 303, the lock 308 is slidably provided in the mounting hole 307, the lock 308 is connected with the bottom of the mounting hole 307 through the pressure spring 309, the lock hole 310 matched with the lock 308 is penetrated and provided on the left and right sides of the sliding hole 302, the rod head shell 301 is further provided with unlocking mechanism, the unlocking mechanism includes unlocking button 311, the unlocking button 311 is slidably provided in the lock hole 310, a plurality of second limit holes 312 are provided in the lock hole 310,The unlocking button 311 is provided with a plurality of second limiting blocks 313 matched with the second limiting hole 312, one side of the telescopic rod 400 is fixedly installed with two opposite fixed plates, the fixed plates are welded with rotating shafts 401 matched with the limiting ring 304, the rotating shafts 401 are movably connected to the inner side of the limiting ring 304, the limiting ring 304 and the rotating shaft 401 are arranged to make the telescopic rod 400 rotate around the rotating shaft 401, the sliding block 303 and the sliding hole 302 are arranged to make the telescopic rod 400 slide with the sliding block 303, the first limiting block 305 and the first limiting hole 306 are arranged to make the sliding block 303 not come out of the sliding hole 302, so that the telescopic rod 400 can be connected to the rear of the rod head 300 all the time, the mounting hole 307 is arranged to facilitate the installation of the lock catch 308 and the pressure spring 309, the lock catch 308, the pressure spring 309 and the lock hole 310 are arranged to lock the sliding block 303 when the fixed plate and the rotating shaft 401 on the telescopic rod 400 completely enter the sliding hole 302, at this time, the fixed plate and the rotating shaft 401 are fixed by the limiting effect of the sliding hole 302 and the sliding block 303, the telescopic rod 400 and the rod head 300 are integrated and can be used to force the hydraulic jack, the second limiting hole 312 and the second limiting block 313 are arranged to limit the unlocking button 311, the unlocking button 311 is arranged to make the lock hole 310 be pushed out of the lock hole 310 when the unlocking button 311 is pressed, so as to complete the unlocking of the telescopic rod 400.

[0037] Please refer to Figure 3 and Figure 6 , the telescopic rod 400 includes a telescopic rod sleeve 402, the telescopic rod sleeve 402 is connected to the rear end of the rod head 300 through the rotating shaft 401, the inner side of the telescopic rod sleeve 402 is slidably sleeved with a telescopic sliding rod 403, the rear end of the telescopic sliding rod 403 is fixedly installed with a handle 404, a limiting mechanism is arranged between the telescopic rod sleeve 402 and the telescopic sliding rod 403, the limiting mechanism includes a third limiting hole 405 and a third limiting block 406, a plurality of third limiting holes 405 are arranged on the inner side of the telescopic rod sleeve 402, a plurality of third limiting blocks 406 matched with the third limiting holes 405 are fixedly arranged on the outer side of the telescopic sliding rod 403, the telescopic rod sleeve 402 and the telescopic sliding rod 403 are arranged to make the telescopic sliding rod 403 slide in the telescopic rod sleeve 402, the third limiting hole 405 and the third limiting block 406 are arranged to limit the sliding of the telescopic sliding rod 403, the outer sides of the telescopic sliding rod 403 and the third limiting block 406 are covered with a layer of rubber, so that the friction between the telescopic sliding rod 403 and the telescopic rod sleeve 402 is large enough, so that the telescopic sliding rod 403 will not easily slide when the device is used to support heavy objects.

[0038] Please refer to Figure 3The end of the telescopic rod sleeve 402 is provided with two matching grooves 407, so that the telescopic rod 400 is not clamped by the rod head shell 301 when being folded to the top or the bottom.

[0039] Please refer to Figure 3 and Figure 6 The air hole 408 is arranged at the position close to the end of the inside of the telescopic rod sleeve 402, so that the telescopic slide rod 403 can inhale air through the air hole 408 when being stretched, and can exhaust air through the air hole 408 when being pushed, to ensure that the cavity formed between the inside of the telescopic rod sleeve 402 and the end of the telescopic slide rod 403 is in atmospheric pressure balance.

[0040] The working principle of the utility model is as follows: when the device needs to be used, the device is taken out from the storage place, the mounting base 100 is placed stably, the telescopic rod 400 is taken out from the limiting sleeve 105 and rotated to restore, and the telescopic rod 400 is rotated to be flush with the rod head 300, at this time, the telescopic rod 400 is slightly forced to be inserted into the rod head 300 until the fixed plate and the rotating shaft 401 completely enter the sliding hole 302, at this time, the lock catch 308 is popped out from the mounting hole 307 and enters the lock hole 310, so that the locking of the telescopic rod 400 is completed, the handle 404 is pulled, the telescopic slide rod 403 is pulled out from the telescopic rod sleeve 402, until the telescopic rod 400 reaches the appropriate length, the handle 404 is pulled back and forth to make reciprocating motion to the piston in the stuffing cylinder 103, so that the piston in the hydraulic cylinder 101 is pushed out, the support to the heavy object to be lifted is completed, after the device is used, the rotating knob 104 is rotated to restore the piston in the hydraulic cylinder 101, the rotating knob 104 is closed, the handle 404 is pushed to completely push the telescopic slide rod 403 into the telescopic rod sleeve 402, the unlocking button 311 is pressed to pop out the lock catch 308 from the lock hole 310 to complete the unlocking, at this time, the telescopic rod 400 is pulled until the rotating shaft 401 is completely separated from the sliding hole 302, the telescopic rod 400 is folded and limited in the limiting sleeve 105, and finally the device after use is stored and placed.

[0041] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, the person skilled in the art can make the modification, replacement and change without creative contribution after reading the specification, but as long as it is in the range of the claims of the utility model, it is protected by the patent law.

Claims

1. A hydraulic jack convenient to adjust, comprising a mounting base (100), a hydraulic cylinder (101), a movable lever (102) and a plug-in cylinder (103) are mounted on the top of the mounting base (100), a recovery knob (104) is mounted on one side of the hydraulic cylinder (101), a limiting sleeve (105) is fixedly mounted on one side of the plug-in cylinder (103), a movable connecting rod (106) is movably connected to the top end of the movable lever (102), the movable connecting rod (106) is connected with a piston in the plug-in cylinder (103) on one side, and a sleeve (107) is fixedly mounted on the top of the movable connecting rod (106), characterized in that: A folding telescopic rod (200) is mounted in the sleeve (107), the folding telescopic rod (200) comprises a rod head (300) and a telescopic rod (400), the rod head (300) is fixedly mounted on the inside of the sleeve (107), the telescopic rod (400) is connected to the rear end of the rod head (300), the rod head (300) comprises a rod head shell (301), one side of the rod head shell (301) is provided with a sliding hole (302), the inside of the sliding hole (302) is slidably provided with a sliding block (303), the outside of the sliding block (303) is provided with a limiting ring (304), the upper and lower sides of the sliding block (303) are provided with first limiting blocks (305), the upper and lower sides of the sliding hole (302) are provided with first limiting holes (306) matched with the first limiting blocks (305), a locking mechanism is arranged between the sliding block (303) and the rod head shell (301), an unlocking mechanism is further arranged on the rod head shell (301), one side of the telescopic rod (400) is fixedly provided with two opposite fixed plates, the fixed plates are welded with rotating shafts (401) matched with the limiting ring (304), the rotating shafts (401) are movably connected to the inside of the limiting ring (304).

2. A hydraulic jack for ease of adjustment as claimed in claim 1 wherein: The locking mechanism comprises mounting holes (307), locks (308), pressure springs (309) and lock holes (310), the mounting holes (307) are arranged on the left and right sides of the sliding block (303), the locks (308) are slidably arranged in the mounting holes (307), the locks (308) are connected with the bottom of the mounting holes (307) through the pressure springs (309), the lock holes (310) matched with the locks (308) are arranged on the left and right sides of the sliding hole (302).

3. A hydraulic jack for ease of adjustment as claimed in claim 1, wherein: The unlocking mechanism comprises an unlocking button (311), the unlocking button (311) is slidably arranged in the lock hole (310), a plurality of second limiting holes (312) are arranged in the lock hole (310), a plurality of second limiting blocks (313) matched with the second limiting holes (312) are arranged on the unlocking button (311).

4. A hydraulic jack of the type defined in claim 3, wherein: The telescopic rod (400) comprises a telescopic rod sleeve (402), the telescopic rod sleeve (402) is connected to the rear end of the rod head (300) through the rotating shaft (401), a telescopic sliding rod (403) is slidably arranged in the inside of the telescopic rod sleeve (402), a handle (404) is fixedly mounted on the rear end of the telescopic sliding rod (403), a limiting mechanism is arranged between the telescopic rod sleeve (402) and the telescopic sliding rod (403).

5. A hydraulic jack of the type defined in claim 4, characterised in that: The limiting mechanism comprises third limiting holes (405) and third limiting blocks (406), a plurality of third limiting holes (405) are arranged in the inside of the telescopic rod sleeve (402), a plurality of third limiting blocks (406) matched with the third limiting holes (405) are fixedly arranged on the outside of the telescopic sliding rod (403).

6. A hydraulic jack for ease of adjustment as claimed in claim 4 wherein: Two adaptive grooves (407) are arranged on the end of the telescopic rod sleeve (402), so that the telescopic rod (400) will not be stuck when being rotated and folded to the top or the bottom.

7. A hydraulic jack of the type defined in claim 5, wherein: The outer part of the telescopic slide rod (403) and the third limiting block (406) are covered with a layer of rubber, so that the friction between the telescopic slide rod (403) and the telescopic rod sleeve (402) is large enough, and the telescopic slide rod (403) will not easily slide when the device is used to support a heavy object.

8. A hydraulic jack for ease of adjustment as claimed in claim 4 wherein: A gas hole (408) is arranged on the inner side of the telescopic rod sleeve (402) close to the end.

9. A hydraulic jack for ease of adjustment as claimed in claim 1, wherein: The arc-shaped sleeve on the limiting sleeve (105) is made of plastic with good elasticity, so that the telescopic rod sleeve (402) can be installed on the inner side of the limiting sleeve (105) by pressing.

Images