CN219409069U - Hydraulic jack with good stability - Google Patents

Abstract

The utility model discloses a hydraulic jack with good stability, which comprises a bottom plate, wherein two square grooves are formed in the bottom of the bottom plate, two supporting wheels are hinged in the two square grooves respectively, an adjusting component is mounted at the bottom of the bottom plate and is matched with the four supporting wheels respectively, a jack main body is mounted on the bottom plate, and a manual compression bar is mounted on the right side of the jack main body. According to the lifting jack, the device is supported through the bottom plate, the bottom plate is pushed to drive the jack main body to move below the heavy object, then the adjusting assembly is rotated to enable the four supporting wheels to extend outwards until the bottom plate contacts the ground, the grounding area of the device is increased, the device is more stable, then the jack main body is pressurized through the manual pressure lever to jack up the heavy object, and when the heavy object is jacked up to a designated height, the lifting jack has the advantages that the stability is high, the operation safety is high, the hand pressure lever is positioned, the mistaken touch is prevented, and the lifting jack is safer.

Description

Hydraulic jack with good stability

Technical Field

The utility model relates to the field of hydraulic jacks, in particular to a hydraulic jack with good stability.

Background

The hydraulic jack is a jack adopting a plunger or a hydraulic cylinder as a rigid jacking member, and is a simple lifting device (the hydraulic jack, a pulley, a hoist and the like are commonly used simple lifting devices).

The existing hydraulic jack is generally only provided with a lifting mechanism for lifting heavy objects, and has the advantages of simple structure, light weight, portability and convenient movement; at present, in order to facilitate movement, the hydraulic jack can be used for installing a bottom plate and a moving wheel of the hydraulic jack so as to facilitate pushing, but the following defects still exist in the mode:

1. after the roller is installed on the hydraulic jack in the prior art, stability is reduced when the hydraulic jack is supported, and operation safety is affected;

2. the hand lever of the hydraulic jack in the prior art lacks a positioning structure, and during the period that the jack-up heavy object keeps supporting, there is the risk that the equipment is unstable due to the false touch.

Disclosure of Invention

The utility model aims to provide a hydraulic jack with good stability so as to overcome the defects in the background technology.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a hydraulic jack that stability is good, includes the bottom plate, two square grooves have been seted up to the bottom of bottom plate, two the inside in square groove articulates respectively has two supporting wheels, adjusting part is installed to the bottom of bottom plate, adjusting part cooperatees with four supporting wheels respectively, install the jack main part on the bottom plate, manual depression bar is installed on the right side of jack main part, install positioning mechanism on the bottom plate, positioning mechanism cooperatees with manual depression bar.

As a further description of the above technical solution: the adjusting component comprises a hand-operated disc, a threaded rod, two sliding blocks and four hinging rods, wherein the left side of the hand-operated disc is fixedly connected with the threaded rod, the threaded rod is rotationally mounted at the bottom of the bottom plate, the two sliding blocks are respectively connected to the inside of two square grooves in a sliding mode, the two sliding blocks are respectively connected to the outer sides of the threaded rod in a threaded mode in an all-threaded mode, and the four hinging rods are respectively hinged to the four hinging rods on one sides of the two sliding blocks opposite to each other and are respectively hinged to the four supporting wheels.

As a further description of the above technical solution: the positioning mechanism comprises a vertical rod, an external thread bush, an adjusting screw and a pressing block, wherein the bottom end of the vertical rod is hinged to the bottom plate, the internal thread of the external thread bush is connected to the outer side of the vertical rod, the bottom end of the adjusting screw penetrates through the inside of the vertical rod and is in threaded connection with the inside of the vertical rod, a through hole is formed in the inside of the vertical rod, the right end of the manual pressing rod penetrates through the inside of the through hole, the bottom end of the adjusting screw is rotationally connected with the pressing block, the bottom of the pressing block is in tight contact with the manual pressing rod, and the external thread bush is matched with the pressing block to clamp and position the manual pressing rod.

As a further description of the above technical solution: the bottom of the bottom plate is provided with a resistance groove.

As a further description of the above technical solution: the left side at bottom plate top is installed and is pushed away the handle, push away fixedly connected with pin on the handle.

As a further description of the above technical solution: the top of jack main part fixed mounting has the contact block, evenly distributed's recess has been seted up at the top of contact block.

Compared with the prior art, the utility model has the advantages that:

this scheme is used through four supporting wheels of adjusting part cooperation and positioning mechanism cooperation to realized that the device possesses stability high operation safety, and fix a position the hand depression bar, prevent that the mistake from touching, safer advantage.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;

FIG. 3 is a schematic view of the bottom view of the present utility model;

fig. 4 is a schematic partial front perspective view of the present utility model.

The reference numerals in the figures illustrate:

1. a bottom plate; 2. a square groove; 3. a support wheel; 4. an adjustment assembly; 41. a hand-operated disc; 42. a threaded rod; 43. a sliding block; 44. a hinge rod; 5. a jack body; 51. a touch block; 52. a groove; 6. a manual compression bar; 7. a positioning mechanism; 71. a vertical rod; 72. an external thread sleeve; 73. adjusting a screw; 74. briquetting; 75. a through hole; 8. a resistance groove; 9. a pushing handle; 10. a stop lever.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model;

referring to fig. 1 to 4, in the utility model, a hydraulic jack with good stability comprises a bottom plate 1, two square grooves 2 are formed in the bottom of the bottom plate 1, two supporting wheels 3 are hinged in the two square grooves 2 respectively, an adjusting component 4 is installed at the bottom of the bottom plate 1, the adjusting component 4 is matched with the four supporting wheels 3 respectively, a jack main body 5 is installed on the bottom plate 1, a manual compression bar 6 is installed on the right side of the jack main body 5, a positioning mechanism 7 is installed on the bottom plate 1, and the positioning mechanism 7 is matched with the manual compression bar 6.

According to the hydraulic jack, the device is supported through the bottom plate 1, the bottom plate 1 is pushed to drive the jack main body 5 to move below a heavy object, then the adjusting component 4 is rotated to enable the four supporting wheels 3 to expand outwards until the bottom plate 1 contacts the ground, the grounding area of the device is increased, the device is more stable, then the jack main body 5 is pressurized through the manual pressure rod 6 to jack the heavy object, when the heavy object is jacked to a designated height, the addition is stopped, the manual pressure rod 6 is positioned through the positioning mechanism 7, the occurrence of false triggering is avoided, and therefore the device has the advantages of high stability, safety in operation, positioning of the manual pressure rod, and safety in false triggering prevention.

Please refer to fig. 1 and 3, wherein: the adjusting component 4 comprises a hand shaking disc 41, a threaded rod 42, two sliding blocks 43 and four hinging rods 44, wherein the left side of the hand shaking disc 41 is fixedly connected with the threaded rod 42, the threaded rod 42 is rotatably mounted at the bottom of the bottom plate 1, the two sliding blocks 43 are respectively and slidably connected to the interiors of the two square grooves 2, the interiors of the two sliding blocks 43 are respectively and threadably connected to the outer sides of the threaded rod 42, the four hinging rods 44 are respectively hinged to the four hinging rods 44 on the opposite sides of the two sliding blocks 43, and the four hinging rods 44 are respectively hinged to the four supporting wheels 3.

In the utility model, the hand-operated disc 41 drives the threaded rod 42 to rotate so as to drive the two sliding blocks 43 to slide relatively along the interiors of the two square grooves 2 respectively, and the four support wheels 3 are pulled by the four hinging rods 44 respectively to change the support angle with the bottom plate 1, so that the bottom plate 1 is regulated to be in stable contact with the ground.

Please refer to fig. 2 and fig. 4, wherein: the positioning mechanism 7 comprises a vertical rod 71, an external thread sleeve 72, an adjusting screw 73 and a pressing block 74, wherein the bottom end of the vertical rod 71 is hinged to the bottom plate 1, the internal thread of the external thread sleeve 72 is connected to the outer side of the vertical rod 71, the bottom end of the adjusting screw 73 penetrates through and is connected to the inner portion of the vertical rod 71 in a threaded manner, a through hole 75 is formed in the inner portion of the vertical rod 71, the right end of the manual pressing rod 6 penetrates through the inner portion of the through hole 75, the bottom end of the adjusting screw 73 is rotationally connected with the pressing block 74, the bottom of the pressing block 74 is in tight contact with the manual pressing rod 6, and the external thread sleeve 72 is matched with the pressing block 74 to clamp and position the manual pressing rod 6.

According to the utility model, the manual compression bar 6 passes through the inside of the through hole 75 by swinging the vertical bar 71, then the adjusting screw 73 is rotated to drive the pressing block 74 to descend, and meanwhile, the external thread sleeve 72 is rotated to ascend along the vertical bar 71, so that the manual compression bar 6 is positioned and clamped, the position of the manual compression bar 6 is fixed and stable, and the unstable device caused by false touch is avoided.

Referring to fig. 2, a resistance groove 8 is formed at the bottom of the bottom plate 1.

In the utility model, the contact between the bottom plate 1 and the ground is more stable through the resistance groove 8.

Please refer to fig. 1, wherein: a push handle 9 is arranged on the left side of the top of the bottom plate 1, and a stop lever 10 is fixedly connected to the upper part of the push handle 9.

In the utility model, the push handle 9 is used for conveniently pushing the bottom plate 1 to move, and the stop lever 10 is used for conveniently leaning the vertical rod 71 against the stop lever 10, so that the storage is convenient.

Please refer to fig. 1, wherein: the top of the jack main body 5 is fixedly provided with a contact block 51, and the top of the contact block 51 is provided with evenly distributed grooves 52.

According to the utility model, the supporting effect of the jack main body 5 on the weight is more stable by the contact block 51 matched with the groove 52.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (6)

1. The utility model provides a hydraulic jack that stability is good, includes bottom plate (1), its characterized in that: two square grooves (2) have been seted up to the bottom of bottom plate (1), two the inside of square groove (2) articulates respectively has two supporting wheels (3), adjusting part (4) are installed to the bottom of bottom plate (1), adjusting part (4) cooperate with four supporting wheels (3) respectively, install jack main part (5) on bottom plate (1), manual depression bar (6) are installed on the right side of jack main part (5), install positioning mechanism (7) on bottom plate (1), positioning mechanism (7) cooperate with manual depression bar (6).

2. A hydraulic jack of good stability according to claim 1, wherein: the adjusting component (4) comprises a hand-operated disc (41), a threaded rod (42), two sliding blocks (43) and four hinging rods (44), wherein the left side of the hand-operated disc (41) is fixedly connected with the threaded rod (42), the threaded rod (42) is rotatably mounted at the bottom of the bottom plate (1), the two sliding blocks (43) are respectively and slidably connected to the interiors of the two square grooves (2), the interiors of the two sliding blocks (43) are respectively and slidably connected to the outsides of the threaded rod (42), and the four hinging rods (44) are respectively hinged to the four hinging rods (44) on one sides of the two sliding blocks (43) which are opposite to each other, and the hinging rods (44) are respectively hinged with the four supporting wheels (3).

3. A hydraulic jack of good stability according to claim 1, wherein: positioning mechanism (7) are including montant (71), external screw thread cover (72), adjusting screw (73) and briquetting (74), montant (71) bottom is articulated with bottom plate (1), the inside threaded connection of external screw thread cover (72) is to the outside of montant (71), the bottom of adjusting screw (73) runs through and threaded connection is to the inside of montant (71), through-hole (75) have been seted up to the inside of montant (71), the inside of through-hole (75) is passed to the right-hand member of manual depression bar (6), the bottom and the briquetting (74) of adjusting screw (73) rotate and are connected, the bottom and the manual depression bar (6) in close contact of briquetting (74), the outside screw thread cover (72) cooperate briquetting (74) to press from both sides tight location to manual depression bar (6).

4. A hydraulic jack of good stability according to claim 1, wherein: the bottom of the bottom plate (1) is provided with a resistance groove (8).

5. A hydraulic jack of good stability according to claim 1, wherein: the left side at bottom plate (1) top is installed and is pushed away handle (9), push away the last fixed connection of handle (9) pin (10).

6. A hydraulic jack of good stability according to claim 1, wherein: the top of the jack main body (5) is fixedly provided with a contact block (51), and the top of the contact block (51) is provided with uniformly distributed grooves (52).