CN219384619U - Hydraulic jack - Google Patents

Abstract

The utility model discloses a hydraulic jack, which comprises a bottom plate, wherein a jack body is fixed on the surface of the bottom plate, an ash removing structure is fixed at the top end of the jack body, the ash removing structure comprises two first holding rings and two second holding rings, and sponges are fixed on the inner sides of the two second holding rings. According to the utility model, the bottom plate and the jack body are arranged, the top end of the jack body is fixedly provided with the ash removing structure, the ash removing structure comprises two first holding rings, a connecting rod and two second holding rings, the second holding rings are fixedly connected with the corresponding first holding rings through the connecting rod, the sponge is fixed on the inner side of the first holding rings, when the two first holding rings are fixed on the top end of the jack body cylinder body through the flange, the two second holding rings can be held tightly on the surface of the telescopic rod of the jack, and when the telescopic rod is retracted into the cylinder body from the outside, the sponge can wipe dust on the surface of the telescopic rod, so that the dust or hard objects can be prevented from damaging the sealing ring due to the fact that the telescopic rod descends.

Description

Hydraulic jack

Technical Field

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

Background

The hydraulic jack is a jack adopting a plunger or a hydraulic cylinder as a rigid jacking piece, has the characteristics of compact structure, stable work, large jacking force, self-locking and the like, and has strong jacking capacity, and the jacking force of the heavy hydraulic jack exceeds 100t.

However, when the existing jack is used, after the telescopic rod at the top end of the cylinder body stretches out, dust or small-particle hard objects are easy to be stained on the surface of the telescopic rod, and when the telescopic rod is retracted into the cylinder body again, the dust and the hard objects easily damage the sealing ring between the cylinder body and the telescopic rod, so that the service life of the jack is influenced. Secondly, the existing jack is short in stroke, bricks are required to be padded at the bottom end of the jack when the stroke is insufficient, so that the jack is not placed stably enough, and the hydraulic jack is provided.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a hydraulic jack.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a hydraulic jack, includes the bottom plate, bottom plate surface mounting has the jack body, jack body top is fixed with the deashing structure, the deashing structure includes two first arming rings and two second arming rings, two the second arming ring inboard all is fixed with the sponge, and two second arming rings are held tightly in the surface of jack body telescopic link, four foot departments of bottom plate upper surface all are equipped with the extension foot structure, the extension foot structure includes the extension board, the screw rod is worn to be equipped with in bottom plate one side to the extension board, screw rod bottom mounting has the backing plate, bottom plate upper surface is close to extension board department and is fixed with the stand, and the extension board rotates with the stand top to be connected, bottom plate upper surface is close to extension board department and has all been seted up first locating hole and the second locating hole that is used for fixing a position extension board position, extension board is close to stand department and is equipped with location structure.

Further, two first armful all are fixed with the flange at ring both ends, and two first armful are fixed in jack body cylinder body top through the flange, two first armful are connected with the connecting rod jointly between ring and two second armful respectively, and when first armful is fixed in jack body cylinder body top, the second armful is just fixed on jack body telescopic link surface, makes the sponge in the second armful can wipe the telescopic link surface.

Furthermore, the cross section of the joint of the upright post and the extension plate is T-shaped, so that the extension plate can stably rotate around the upright post.

Further, the location structure is including seting up the perforation on the extension board, and the inside sliding connection of perforation has the locating lever, the locating lever top is fixed with the plectane, be fixed with the extension spring between plectane and the extension board upper surface, the locating lever bottom and corresponding first locating hole or second locating hole block, can fix the location to the extension board through first locating hole or second locating hole.

Further, the pull ring is fixed at the top end of the circular plate, and the positioning rod can be separated from the first positioning hole or the second positioning hole by pulling the pull ring.

Further, the bottom plate is square, the second locating hole is located on the bottom plate diagonal, the straight line from the first locating hole to the stand column is parallel to the side edge of the bottom plate, when the locating rod is clamped with the first locating hole, the extending plate is stored on the surface of the bottom plate, and when the locating rod is clamped with the second locating hole, the extending plate is located on the diagonal extension line of the locating plate, so that the support for the bottom plate is formed.

Further, a spanner is fixed at the top end of the screw rod, and the base plate can be driven to contact with the ground by rotating the spanner.

The utility model has the beneficial effects that:

1. when the lifting jack is used, the bottom plate and the lifting jack body are arranged, the top end of the lifting jack body is fixedly provided with the ash removing structure, the ash removing structure comprises the two first holding rings, the connecting rod and the two second holding rings, the second holding rings are fixedly connected with the corresponding first holding rings through the connecting rod, the sponge is fixed on the inner side of the first holding rings, when the two first holding rings are fixed on the top end of the lifting jack body cylinder body through the flange, the two second holding rings can hold the surface of the telescopic rod of the lifting jack tightly, and when the telescopic rod is retracted into the cylinder body from the outside, the sponge can wipe dust on the surface of the telescopic rod, so that the dust or hard objects can be prevented from falling along with the telescopic rod to damage the sealing ring.

2. When the jack is used, the extension feet which can rotate are arranged at the four corners of the bottom plate, when the jack needs to be lifted, the extension feet can be rotated to open, the extension feet are used for forming a support, the stability of the whole jack is improved when the jack is placed, and when the jack is not used, the extension feet can be rotated to retract to the surface of the bottom plate, so that more space is not occupied.

Drawings

FIG. 1 is an overall schematic of the present utility model;

FIG. 2 is a perspective view of the ash removal structure of the present utility model;

FIG. 3 is an open top view of the extension panel of the present utility model;

fig. 4 is a top view of the extension panel of the present utility model.

Legend description:

1. a bottom plate; 2. a jack body; 3. an ash removal structure; 31. the first embracing ring; 32. a connecting rod; 33. the second embracing ring; 34. a sponge; 35. a flange; 4. a column; 5. an extension plate; 6. a screw; 7. a backing plate; 8. a wrench; 9. perforating; 10. a positioning rod; 11. a circular plate; 12. a tension spring; 13. a first positioning hole; 14. and a second positioning hole.

Detailed Description

As shown in fig. 1-4, relate to a hydraulic jack, including bottom plate 1, bottom plate 1 fixed surface has jack body 2, jack body 2 top is fixed with ash removal structure 3, ash removal structure 3 includes two first arming ring 31 and two second arming ring 33, two second arming ring 33 inboard all is fixed with sponge 34, and two second arming ring 33 hugs tightly in jack body 2 telescopic link's surface, four foot departments of bottom plate 1 upper surface all are equipped with the extension foot structure, the extension foot structure includes extension board 5, screw rod 6 is worn to be equipped with in extension board 5 one side of keeping away from bottom plate 1, screw rod 6 bottom mounting has backing plate 7, bottom plate 1 upper surface is close to extension board 5 department and is fixed with stand 4, and extension board 5 and stand 4 top rotation are connected, bottom plate 1 upper surface is close to extension board 5 department all offered and is equipped with first locating hole 13 and the second locating hole 14 that are used for fixing a position extension board 5 position, extension board 5 is close to stand 4 department. The top end of the screw rod 6 is fixed with a spanner 8, and the spanner 8 can be rotated to drive the base plate 7 to be in contact with the ground, so that the extension plate 5 can form a support for the bottom plate 1.

As shown in fig. 1 and 2, flanges 35 are fixed at two ends of the two first holding rings 31, and the two first holding rings 31 are fixed at the top end of the cylinder body of the jack body 2 through the flanges 35, connecting rods 32 are connected between the two first holding rings 31 and the two second holding rings 33 respectively, when the first holding rings 31 are fixed at the top end of the cylinder body of the jack body 2, the second holding rings 33 are fixed on the surface of the telescopic rod of the jack body 2, and the sponge 34 in the second holding rings 33 can wipe the surface of the telescopic rod.

As shown in fig. 1-4, the cross section of the connection part between the upright post 4 and the extension plate 5 is T-shaped. The positioning structure comprises a perforation 9 arranged on the extension plate 5, a positioning rod 10 is connected inside the perforation 9 in a sliding manner, a circular plate 11 is fixed at the top end of the positioning rod 10, a tension spring 12 is fixed between the circular plate 11 and the upper surface of the extension plate 5, and the bottom end of the positioning rod 10 is clamped with a corresponding first positioning hole 13 or a corresponding second positioning hole 14. The bottom plate 1 is square, the second locating hole 14 is located on the diagonal of the bottom plate 1, and the straight line from the first locating hole 13 to the upright post 4 is parallel to the side edge of the bottom plate 1. A pull ring is fixed at the top end of the circular plate 11, when the positioning rod 10 is clamped with the first positioning hole 13, the extension plate 5 is accommodated on the surface of the bottom plate 1, and when the positioning rod 10 is clamped with the second positioning hole 14, the extension plate 5 is positioned on a diagonal extension line of the bottom plate 1, so that the support of the bottom plate 1 is formed.

When in use, the utility model is characterized in that: when the telescopic rod of the jack body 2 is retracted into the cylinder body from the outside of the cylinder body, the sponge 34 in the second holding ring 33 wipes the surface of the telescopic rod, so that dust and hard objects are prevented from damaging a sealing ring between the cylinder body of the jack body 2 and the telescopic rod. When bricks are padded on the lower surface of the bottom plate 1, the pull ring at the top end of each positioning rod 10 can be pulled, so that the positioning rods 10 are separated from the first positioning holes 13, then the extension plate 5 is rotated towards the diagonal position of the bottom plate 1, when the bricks pass through the second positioning holes 14, the bottom ends of the positioning rods 10 are clamped with the second positioning holes 14 under the pull force of the tension springs 12, so that the extension plate 5 is fixed at the position, all the extension plates 5 are rotated and opened in the mode (as shown in fig. 3), and then each spanner 8 is rotated to drive the screw rod 6 to descend, so that the base plate 7 is contacted with the ground, the enlarged area support of the bottom plate 1 is formed, and the stability of the whole jack is improved.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (7)

1. The utility model provides a hydraulic jack, includes bottom plate (1), bottom plate (1) surface is fixed with jack body (2), its characterized in that: the utility model provides a jack body (2) top is fixed with deashing structure (3), deashing structure (3) are including two first arming ring (31) and two second arming ring (33), two second arming ring (33) inboard all is fixed with sponge (34), and two second arming ring (33) are embraced tightly in the surface of jack body (2) telescopic link, four foot departments of bottom plate (1) upper surface all are equipped with and extend foot structure, extend foot structure including extension board (5), extension board (5) are kept away from bottom plate (1) one side and are worn to be equipped with screw rod (6), screw rod (6) bottom is fixed with backing plate (7), bottom plate (1) upper surface is close to extension board (5) department and is fixed with stand (4), and extension board (5) are connected with stand (4) top rotation, bottom plate (1) upper surface is close to extension board (5) department and all have been seted up first locating hole (13) and second locating hole (14) that are used for locating extension board (5) position, extension board (5) are close to stand locating structure.

2. A hydraulic jack according to claim 1, wherein: two first armful ring (31) both ends all are fixed with flange (35), and two first armful ring (31) are fixed in jack body (2) cylinder body top through flange (35), two first armful ring (31) are connected with connecting rod (32) jointly with two second armful ring (33) respectively between.

3. A hydraulic jack according to claim 1, wherein: the section of the joint of the upright post (4) and the extension plate (5) is T-shaped.

4. A hydraulic jack according to claim 1, wherein: the positioning structure comprises a perforation (9) which is arranged on the extension plate (5), the perforation (9) is internally connected with a positioning rod (10) in a sliding manner, a circular plate (11) is fixed at the top end of the positioning rod (10), a tension spring (12) is fixed between the circular plate (11) and the upper surface of the extension plate (5), and the bottom end of the positioning rod (10) is clamped with a corresponding first positioning hole (13) or second positioning hole (14).

5. A hydraulic jack according to claim 4, wherein: a pull ring is fixed at the top end of the circular plate (11).

6. A hydraulic jack according to claim 1, wherein: the bottom plate (1) is square, the second positioning holes (14) are positioned on the diagonal line of the bottom plate (1), and the straight line from the first positioning holes (13) to the upright posts (4) is parallel to the side edge of the bottom plate (1).

7. A hydraulic jack according to claim 1, wherein: a spanner (8) is fixed at the top end of the screw rod (6).