Hydraulic jack with adjustable ejection angle

Abstract

The utility model discloses a hydraulic jack with an adjustable ejection angle, which belongs to the technical field of hydraulic jacks and comprises a jack and a base, a U-shaped seat is mounted at the bottom end of the jack, an ejection block is arranged at the top end of the jack, and a support is mounted on the outer wall of one side of the base. The adjusting mechanism is installed in the base, the U-shaped base at the bottom end of the jack is fixed to the adjusting mechanism, and the adjusting mechanism has the angle adjusting and fixing effects, so that when the angle of the jack needs to be adjusted, the angle can be adjusted and fixed through the adjusting mechanism; according to the adjustable hydraulic jack, the effect that the ejection angle of the hydraulic jack can be adjusted is effectively achieved, the situation that the angle of the hydraulic jack cannot be adjusted according to needs of operators, and consequently ejection operation cannot be conducted is avoided, meanwhile, the using effect of the hydraulic jack is effectively improved, and the limitation of the hydraulic jack is also reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic jacks, in particular to a hydraulic jack with adjustable ejection angle. Background Technique

[0002] A hydraulic jack refers to a jack that uses a plunger or a hydraulic cylinder as a rigid lifting member. It has the characteristics of compact structure, stable operation, large jacking force, and self-locking. The jacking ability of a hydraulic jack is strong, and the jacking force of a heavy-duty hydraulic jack exceeds 100t. Hydraulic jacks are divided into: general hydraulic jacks and special hydraulic jacks.

[0003] The defects of the existing hydraulic jacks with adjustable ejection angle are as follows: Since hydraulic jacks are usually placed in the designated place and are laid flat to lift the object or heavy object to be lifted, and the force applied is a vertical upward jacking force. When the operator needs to use the hydraulic jack to perform an inclined jacking operation on the object or heavy object, it will cause a situation where the jacking cannot be carried out, which reduces the use effect of the hydraulic jack. At the same time, it also increases the limitations of the hydraulic jack and reduces the utilization rate of the hydraulic jack.

[0004] Therefore, it is very necessary to develop a hydraulic jack with adjustable ejection angle. Summary of the Invention

[0005] The purpose of the utility model is to provide a hydraulic jack with adjustable ejection angle. By providing an adjustment mechanism, the adjustment mechanism is installed in the base, and the U-shaped seat at the bottom end of the jack is fixed on the adjustment mechanism. Utilizing the angle adjustment and fixation effect of the adjustment mechanism, when the jack needs to be angle-adjusted, the adjustment mechanism can perform angle adjustment and fixation processing, effectively realizing the effect that the hydraulic jack has an adjustable ejection angle, avoiding the situation where the hydraulic jack cannot be angle-adjusted according to the operator's needs and resulting in an inability to perform the ejection operation. At the same time, it effectively improves the use effect of the hydraulic jack and also reduces the limitations of the hydraulic jack, so as to solve the problem that the hydraulic jack cannot adjust the ejection angle as mentioned in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A hydraulic jack with adjustable ejection angle, including a jack and a base. A U-shaped seat is installed at the bottom end of the jack, a top block is arranged at the top end of the jack, a bracket is installed on the outer wall of one side of the base, a bearing is arranged at the center position of the surface of the bracket, slots are opened above and below the outer wall of one side of the bracket, a top plate is installed on the top of the top block, and an adjustment mechanism is installed on the outer wall of one side of the bracket;

[0007] The adjusting mechanism includes an adjusting component and a fixing component. The adjusting component is respectively connected to the base and the bearing, and the fixing component is respectively connected to the adjusting component and the slot.

[0008] Preferably, a rectangular groove is formed at the center of the upper surface of the base. The inner wall of the rectangular groove is slidably connected to the outer wall of the U-shaped seat. Protective blocks are installed at the front end and the rear end of the top of the base.

[0009] Preferably, a U-shaped shell is installed at the center of the bottom of the top plate. A connecting rod is arranged below the inner part of the U-shaped shell. The outer wall of the connecting rod is rotatably connected to the upper part of the inner wall of the top block. A rubber pad is arranged on the top of the top plate.

[0010] Preferably, the adjusting component includes an adjusting disc. A rotating shaft is installed at the center of the outer wall of one side of the adjusting disc. One side of the outer wall of the rotating shaft is rotatably connected inside the base, and a turntable is arranged on the other side of the outer wall of the rotating shaft.

[0011] Preferably, the outer wall of the turntable is fixedly connected to the inner wall of the bearing. A crank is arranged above the outer wall of one side of the adjusting disc. Through holes are formed below the surface of the adjusting disc.

[0012] Preferably, the fixing component includes a U-shaped mounting frame. A mounting hole is formed at the center of the surface of the U-shaped mounting frame. A plug pin is installed inside the mounting hole. The outer wall of the plug pin is slidably connected to the inner wall of the slot.

[0013] Preferably, the outer wall of the plug pin is slidably connected to the inner wall of the mounting hole. A pull ring is arranged at one end of the plug pin. A limiting ring is arranged on one side of the outer wall of the plug pin, and a spring is arranged on the other side of the outer wall of the plug pin.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] By providing an adjusting mechanism, the adjusting mechanism is installed inside the base, and the U-shaped seat at the bottom end of the jack is fixed on the adjusting mechanism. By utilizing the angle adjustment and fixing effects of the adjusting mechanism, when the jack needs to be adjusted in angle, the adjusting mechanism can perform angle adjustment and fixing processing, effectively realizing the effect that the hydraulic jack has an adjustable jacking angle, avoiding the situation that the hydraulic jack cannot be jacked out due to the inability to adjust the angle according to the needs of the operator, effectively improving the use effect of the hydraulic jack, and also reducing the limitations of the hydraulic jack. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the front sectional view provided by the present utility model;

[0017] Figure 2 is the front view provided by the present utility model;

[0018] Figure 3 Front elevation sectional view of the adjustment mechanism provided for the present utility model;

[0019] Figure 4 Provided for the present utility model Figure 3 Enlarged view of the structure at position A in

[0020] Figure 5 Stereogram of the base structure provided for the present utility model;

[0021] Figure 6 Stereogram of the support structure provided for the present utility model;

[0022] Figure 7 Stereogram of the top plate structure provided for the present utility model.

[0023] In the figure: 1, jack; 101, U-shaped seat; 102, top block; 2, base; 201, support; 202, bearing; 203, slot; 204, rectangular groove; 205, protective block; 3, top plate; 301, U-shaped shell; 302, connecting rod; 303, rubber pad; 4, adjustment mechanism; 401, adjustment disc; 402, rotating shaft; 403, turntable; 404, crank; 405, through hole; 406, U-shaped mounting frame; 407, mounting hole; 408, pin; 409, pull ring; 410, limiting ring; 411, spring. Specific embodiments

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0025] The present utility model provides the following technical solutions: A hydraulic jack with adjustable ejection angle can effectively set the function effect of adjustable ejection angle for the hydraulic jack during use, and an adjustment mechanism 4 is added. Please refer to Figures 1-7, including a jack 1 and a base 2. A U-shaped seat 101 is installed at the bottom end of the jack 1, and a top block 102 is provided at the top end of the jack 1. A bracket 201 is installed on one outer wall of the base 2. A bearing 202 is provided at the center position of the surface of the bracket 201. Slots 203 are opened above and below on one outer wall of the bracket 201. A rectangular groove 204 is opened at the center position of the upper surface of the base 2. The inner wall of the rectangular groove 204 is slidably connected to the outer wall of the U-shaped seat 101. Protective blocks 205 are installed at the front and rear ends of the top of the base 2. A top plate 3 is installed at the top of the top block 102. A U-shaped shell 301 is installed at the center position of the bottom of the top plate 3. A connecting rod 302 is provided below the inside of the U-shaped shell 301. The outer wall of the connecting rod 302 is rotatably connected to the upper part of the inner wall of the top block 102. The U-shaped shell 301 on the bottom of the top plate 3 is arranged on the top block 102 at the top end of the jack 1 in a rotating manner by the connecting rod 302, so that the top plate 3 can be toggled back and forth on the top end of the jack 1, thereby enabling the top plate 3 to effectively contact the contact surface of the heavy object to be lifted. A rubber pad 303 is provided at the top of the top plate 3. By using the rubber pad 303 which has the effect of increasing friction and reducing wear, when the top plate 3 contacts the object surface, on the one hand, it avoids wear between each other, and on the other hand, it also plays an anti-slip effect between each other, reducing the occurrence of slipping phenomenon. An adjusting mechanism 4 is installed on one outer wall of the bracket 201;

[0026] The adjusting mechanism 4 includes an adjusting component and a fixing component, the adjusting component is connected to the base 2 and the bearing 202 respectively, the fixing component is connected to the adjusting component and the slot 203 respectively, the adjusting component includes an adjusting disk 401, a rotating shaft 402 is installed at the center of the outer wall of one side of the adjusting disk 401, one side of the outer wall of the rotating shaft 402 is rotatably connected to the inside of the base 2, and a rotating disk 403 is arranged on the other side of the outer wall of the rotating shaft 402, and the outer wall of the rotating disk 403 is fixedly connected to the inner wall of the bearing 202, so that the bearing 202 is fixed to the rotating disk 403 without affecting the rotation of the rotating disk 403, by fixing the U-shaped seat 101 on the bottom end of the jack 1 to the outer wall of the rotating shaft 402 On the upper side, the adjusting disk 401 drives the rotating shaft 402 to rotate forward or reverse, so as to move the jack 1 forward or backward, and effectively realize the angle adjustment of the jack 1. At the same time, the top front end and the rear end of the base 2 are provided with protective blocks 205, so that during the adjustment process of the jack 1, the protective blocks 205 can be fitted, so that the protective blocks 205 can provide a certain support force for the jack, and the stability of the jack 1 during use is effectively improved. A crank 404 is provided on the upper side of the outer wall of the adjusting disk 401, and a through hole 405 is opened under the surface of the adjusting disk 401. The fixing parts include a U-shaped mounting frame 406, and the surface of the U-shaped mounting frame 406 A mounting hole 407 is provided at the center of the surface, a latch 408 is installed inside the mounting hole 407, and the outer wall of the latch 408 is slidably connected to the inner wall of the slot 203. The U-shaped mounting frame 406 is installed below the outer wall of one side of the adjusting disk 401, and the latch 408 is slidably set in the mounting hole 407 on the U-shaped mounting frame 406, so that the latch 408 can slide horizontally left and right on the U-shaped mounting frame 406, and the outer wall of the latch 408 is slidably connected to the inner wall of the mounting hole 407, and a pull ring 409 is provided at one end of the latch 408, and a limit ring 410 is provided on the outer wall of one side of the latch 408, so that the limit ring 410 and the pull ring 4 09 The latch 408 is limited to prevent the latch 408 from being separated from the U-shaped mounting frame 406. A spring 411 is provided on the other side of the outer wall of the latch 408. The spring 411 has the effect of rebounding after being compressed and deformed. When the ejection angle of the jack 1 is adjusted, hold the crank 404 and adjust the jack 1 to the required angle. During this period, it is necessary to pull the pull ring 409 to disengage the latch 408 from the slot 203 on the bracket 201. After the angle of the jack 1 is adjusted, release the pull ring 409, the spring 411 is free of pressure, and the latch 408 is pushed into the slot 203, so that the adjustment angle of the jack 1 can be fixed.

[0027] Working principle: When using the utility model, the U-shaped shell 301 at the bottom of the top plate 3 is rotatably arranged on the top block 102 at the top end of the jack 1 by the connecting rod 302, so that the top plate 3 can be toggled back and forth on the top end of the jack 1, thereby enabling the top plate 3 to effectively contact the contact surface of the heavy object to be lifted. By arranging a rubber pad 303 on the top of the top plate 3, and taking advantage of the effect of the rubber pad 303 to increase friction and reduce wear, when the top plate 3 contacts the object surface, on the one hand, it avoids wear between them, and on the other hand, it also has an anti-slip effect between them, reducing the occurrence of slipping. By arranging a rotating shaft 402 on one side of the adjusting disk 401 of the adjusting mechanism 4, and installing and fixing the turntable 403 on the outer wall of the rotating shaft 402 in the bearing 202 on the bracket 201, the bearing 202 installs and fixes the turntable 403 without affecting the rotation of the turntable 403. By fixing the U-shaped seat 101 at the bottom end of the jack 1 on the outer wall of the rotating shaft 402, the adjusting disk 401 drives the rotating shaft 402 to rotate forward or backward, thereby achieving the toggling of the jack 1 forward or backward, effectively realizing the angle adjustment of the jack 1. At the same time, protective blocks 205 are arranged at the front end and the rear end of the top of the base 2, so that during the adjustment of the jack 1, it can be attached to the protective blocks 205, facilitating the protective blocks 205 to exert a certain supporting force on the jack, effectively improving the stability of the jack 1 during use. By installing the U-shaped mounting frame 406 below the outer wall on one side of the adjusting disk 401, and arranging the pin 408 in a sliding manner in the mounting hole 407 on the U-shaped mounting frame 406, the pin 408 can slide horizontally left and right on the U-shaped mounting frame 406. By arranging a pull ring 409 at one end of the pin 408 and a limit ring 410 on one side of the outer wall, the limit ring 410 and the pull ring 409 limit the pin 408 to prevent the pin 408 from detaching from the U-shaped mounting frame 406. By arranging a spring 411 on the other side of the outer wall of the pin 408, and taking advantage of the effect that the spring 411 rebounds after being compressed and deformed, when adjusting the jacking angle of the jack 1, hold the crank 404 and adjust the jack 1 to the required angle. During this period, it is necessary to pull the pull ring 409 to make the pin 408 disengage from the slot 203 on the bracket 201. After the angle adjustment of the jack 1 is completed, release the pull ring 409. The spring 411 is not under pressure, and the pin 408 is pushed to insert into the slot 203, so as to achieve the fixed processing of the adjustment angle of the jack 1, effectively realizing the effect that the hydraulic jack has an adjustable jacking angle, avoiding the situation that the hydraulic jack cannot be jacked out due to the inability to adjust the angle according to the needs of the operator, effectively improving the use effect of the hydraulic jack, and also reducing the limitations of the hydraulic jack.

[0028] Although the present utility model has been described above with reference to the embodiments, various improvements can be made thereto and components thereof can be replaced with equivalents without departing from the scope of the present utility model. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed by the present utility model can be combined with each other in any way, and the exhaustive description of these combinations is not given in this specification only for the consideration of saving space and resources. Therefore, the present utility model is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

Claims

1. A hydraulic jack with adjustable ejection angle, comprising a jack (1) and a base (2), wherein a U-shaped seat (101) is installed at the bottom end of the jack (1), a top block (102) is arranged at the top end of the jack (1), a bracket (201) is installed on one side outer wall of the base (2), a bearing (202) is arranged at the center position of the surface of the bracket (201), slots (203) are provided above and below one side outer wall of the bracket (201), and a top plate (3) is installed on the top of the top block (102), characterized in that: An adjustment mechanism (4) is installed on one side outer wall of the bracket (201); The adjustment mechanism (4) comprises an adjustment component and a fixing component, the adjustment component being connected to the base (2) and the bearing (202) respectively, and the fixing component being connected to the adjustment component and the slot (203) respectively.

2. The hydraulic jack with adjustable ejection angle according to claim 1, characterized in that: A rectangular groove (204) is provided at the center of the upper surface of the base (2), the inner wall of the rectangular groove (204) is slidably connected to the outer wall of the U-shaped seat (101), and protective blocks (205) are installed at the front and rear ends of the top of the base (2).

3. The hydraulic jack with adjustable ejection angle according to claim 1, characterized in that: A U-shaped shell (301) is installed at the center of the bottom of the top plate (3), a connecting rod (302) is arranged at the bottom of the U-shaped shell (301), the outer wall of the connecting rod (302) is rotatably connected to the upper part of the inner wall of the top block (102), and a rubber pad (303) is arranged on the top of the top plate (3).

4. The hydraulic jack with adjustable ejection angle according to claim 1, characterized in that: The adjusting component comprises an adjusting disk (401), a rotating shaft (402) being installed at the center of an outer wall of one side of the adjusting disk (401), one side of the outer wall of the rotating shaft (402) being rotatably connected to the inside of the base (2), and a rotating disk (403) being arranged on the other side of the outer wall of the rotating shaft (402).

5. The hydraulic jack with adjustable ejection angle according to claim 4, characterized in that: The outer wall of the rotating disk (403) is fixedly connected to the inner wall of the bearing (202), a crank (404) is provided above the outer wall of one side of the adjusting disk (401), and a through hole (405) is provided below the surface of the adjusting disk (401).

6. The hydraulic jack with adjustable ejection angle according to claim 1, characterized in that: The fixing component comprises a U-shaped mounting frame (406), a mounting hole (407) is provided at the center of the surface of the U-shaped mounting frame (406), a latch (408) is installed inside the mounting hole (407), and an outer wall of the latch (408) is slidably connected to an inner wall of the slot (203).

7. The hydraulic jack with adjustable ejection angle according to claim 6, characterized in that: The outer wall of the latch (408) is slidably connected to the inner wall of the mounting hole (407); a pull ring (409) is provided at one end of the latch (408); a limit ring (410) is provided on one side of the outer wall of the latch (408); and a spring (411) is provided on the other side of the outer wall of the latch (408).

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