CN212222292U - Novel hydraulic jack for automobile maintenance - Google Patents

Abstract

The utility model discloses a novel hydraulic jack for automobile maintenance, which comprises a base and a connecting seat, wherein the connecting seat is arranged inside the upper end of the base, an explanatory coating is arranged on the outer wall of the front end of the connecting seat, the base and the connecting seat are fixedly connected through the connecting block, a sliding expansion device is arranged at the four corners of the upper end of the base, a hydraulic rod is arranged on the outer wall of the upper end of the connecting seat, a jacking block is arranged on the outer wall of the upper end of the hydraulic rod, the sliding expansion device is additionally arranged on the hydraulic jack for automobile maintenance, the position of the hydraulic jack can be conveniently moved and used through a moving wheel on the sliding expansion device, the movable wheel which can expand and contract can not be crushed in the base during jacking, and the lifting use of the hydraulic jack can not be influenced, make this novel hydraulic jack's use become more convenient through the slip telescoping device.

Description

Novel hydraulic jack for automobile maintenance

Technical Field

The utility model belongs to the technical field of hydraulic jack is relevant, concretely relates to novel a hydraulic jack for auto repair.

Background

The hydraulic jack is a jack which adopts 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, has strong jacking capacity, has the jacking force exceeding 100t for heavy hydraulic jacks, and is divided into a general hydraulic jack and a special hydraulic jack.

The existing hydraulic jack technology for automobile maintenance has the following problems: the hydraulic jack is heavy in weight, and is very laborious when being carried to a specified place for use, so that the hydraulic jack cannot be conveniently carried for use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel a hydraulic jack for auto repair to carry very hard problem when solving the heavier use of hydraulic jack self weight that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel hydraulic jack for automobile maintenance comprises a base and a connecting seat, wherein the connecting seat is installed inside the upper end of the base, an explanation coating is arranged on the outer wall of the front end of the connecting seat, the base and the connecting seat are fixedly connected through a connecting block, a sliding telescopic device is arranged at the four corners of the upper end of the base, a hydraulic rod is arranged on the outer wall of the upper end of the connecting seat, a jacking block is arranged on the outer wall of the upper end of the hydraulic rod, a transmission rod is arranged on the outer wall of the upper end of the base on the right side of the connecting seat, a connecting sleeve is arranged on the outer wall of the upper end of the transmission rod, a movable chamber is arranged on the outer wall of the upper end of the base, a movable opening is formed inside the base at the lower end of the movable chamber, a movable wheel is, the fixing device is characterized in that a fixing column extending upwards is sleeved outside the fixing rod, a connecting cylinder is arranged on the inner wall of the upper end of the movable chamber, the fixing column is arranged inside the connecting cylinder, a limiting sleeve is sleeved outside the fixing column, a strong spring is sleeved outside the fixing column at the upper end of the limiting sleeve, and the strong spring is arranged inside the connecting cylinder.

Preferably, the base at the left end and the right end of the movable opening is internally provided with a baffle ring, and the fixed rod is fixedly connected with the base through the baffle ring.

Preferably, the fixed bearing is sleeved outside the fixed rod, and the fixed rod is fixedly connected with the fixed column through the fixed bearing.

Preferably, the dead lever is provided with two altogether, two the dead lever sets up respectively on the left and right sides end outer wall that removes the wheel, two the outside of dead lever all cup joints the fixed column that upwards extends.

Preferably, the strong spring is elastically deformed when the force of the strong spring is more than twice of the self gravity of the jack.

Preferably, the outer wall of hydraulic stem is smooth wall, the outer wall of hydraulic stem and the inner wall of connecting seat can laminate completely.

Compared with the prior art, the utility model provides a novel a hydraulic jack for auto repair possesses following beneficial effect:

the utility model can conveniently move the position of the hydraulic jack for use through the moving wheel on the sliding expansion device by additionally arranging the sliding expansion device on the hydraulic jack for automobile maintenance, when in use, the hydraulic jack is moved to a designated jacking place through the movable wheel, the connecting rod is inserted into the connecting sleeve to pry up and down to drive the hydraulic rod to ascend, the powerful spring on the moving wheel generates elastic deformation to shrink the moving wheel into the base in the process of gradually bearing gravity, the hydraulic rod is slowly lowered after the use, the powerful spring restores the deformation to extend out of the base, so that the telescopic moving wheel can meet the requirements of moving use, the inside that can contract to the base when the jacking can not be crowded garrulous, can not cause the influence to hydraulic jack's jacking use yet, makes this novel hydraulic jack's use become more convenient through the slip telescoping device.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of a novel hydraulic jack for automobile maintenance according to the present invention;

fig. 2 is a schematic side structure view of a novel hydraulic jack for automobile maintenance provided by the present invention;

fig. 3 is a schematic side view of the sliding telescopic device according to the present invention;

fig. 4 is a schematic side sectional view of the sliding telescopic device according to the present invention;

in the figure: 1. a sliding telescopic device; 2. a base; 3. (ii) specifying the coating; 4. a connecting seat; 5. a top block; 6. a hydraulic lever; 7. connecting sleeves; 8. a transmission rod; 9. connecting blocks; 10. a moving wheel; 11. an activity room; 12. a strong spring; 13. fixing a column; 14. fixing the rod; 15. a movable opening; 16. a limiting sleeve; 17. a connecting cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a novel hydraulic jack for automobile maintenance comprises a base 2 and a connecting seat 4, wherein the connecting seat 4 is installed inside the upper end of the base 2, an explanation coating 3 is arranged on the outer wall of the front end of the connecting seat 4, the base 2 and the connecting seat 4 are fixedly connected through a connecting block 9, a sliding telescopic device 1 is arranged at the four corners of the upper end of the base 2, a hydraulic rod 6 is arranged on the outer wall of the upper end of the connecting seat 4, a jacking block 5 is arranged on the outer wall of the upper end of the hydraulic rod 6, the outer wall of the hydraulic rod 6 is a smooth wall, the outer wall of the hydraulic rod 6 and the inner wall of the connecting seat 4 can be completely attached, so that the hydraulic rod 6 is stressed more uniformly, the problem of the hydraulic rod 6 in the telescopic process is prevented, the normal use is influenced, a transmission rod 8 is arranged on the outer wall of the upper end of the base 2 on the right, the movable chamber 11 sets up on the upper end outer wall of base 2, and the inside activity mouth 15 that is provided with of base 2 of the 11 lower extremes of movable chamber, the inside fender ring that is provided with of base 2 of the left and right ends of activity mouth 15, dead lever 14 are through keeping off ring and base 2 fixed connection, keep off the ring and be the mounting that the wheel 10 position was removed in the restriction, prevent to remove the wheel 10 and fall out from activity mouth 15 inside.

A novel hydraulic jack for automobile maintenance is disclosed, a movable opening 15 is internally provided with a movable wheel 10, the outer wall of the left end of the movable wheel 10 is provided with two fixed rods 14, the two fixed rods 14 are respectively arranged on the outer walls of the left end and the right end of the movable wheel 10, the outer parts of the two fixed rods 14 are respectively sleeved with an upward extending fixed column 13, the fixed rods 14 at two ends can enable the movable wheel 10 to be stressed uniformly, the outer parts of the fixed rods 14 are sleeved with upward extending fixed columns 13, the outer parts of the fixed rods 14 are sleeved with fixed bearings, the fixed rods 14 are fixedly connected with the fixed columns 13 through the fixed bearings, friction between the fixed rods 14 and the fixed columns 13 can be reduced through the fixed bearings, the rotating effect is better, the service life is prolonged, the inner wall of the upper end of a movable chamber 11 is provided with a connecting cylinder 17, the fixed columns 13 are arranged in the connecting cylinder 17, powerful spring 12 has been cup jointed to the fixed column 13 outside of stop collar 16 upper end, and powerful spring 12 sets up in the inside of connecting cylinder 17, and elastic deformation just can appear when powerful spring 12 bears the power more than jack self gravity two times, prevents that the jack from receiving the internal influence that external force influence removal wheel 10 will contract activity mouth 15 and using at will.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the principle of the hydraulic jack for automobile maintenance is that when the connecting rod is pressed up and down in the connecting sleeve 7, the small piston is driven to move down, the working volume of the small oil cavity in the pump body is reduced, the oil in the small oil cavity is extruded, the oil discharge check valve is pushed open (at the moment, the oil suction check valve automatically closes the oil circuit leading to the oil tank), the oil enters the hydraulic cylinder (oil cavity) through the oil pipe, because the hydraulic cylinder (oil cavity) is also a sealed working volume, the acting force generated by the extruded oil can push the large piston to rise, the weight is jacked to do work, the weight is repeatedly lifted and pressed on the lever handle, the weight can continuously rise, the lifting purpose is achieved, when the hydraulic jack is used, the hydraulic jack is moved to a designated jacking place through the moving wheel 10, the connecting rod is inserted into the connecting sleeve 7 to pry up and down to drive the hydraulic rod 6 to rise, the strong spring 12 on the moving wheel 10 generates elastic deformation to contract the moving wheel 10 into the base 2 in the process of gradually bearing the gravity, the hydraulic rod 6 is slowly lowered after the use is finished, and the strong spring 12 recovers the deformation to extend the moving wheel 10 out of the base 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a novel a hydraulic jack for auto repair, includes base (2) and connecting seat (4), its characterized in that: the upper end of the base (2) is internally provided with a connecting seat (4), the front end outer wall of the connecting seat (4) is provided with an explanation coating (3), the base (2) and the connecting seat (4) are fixedly connected through a connecting block (9), the four corners of the upper end of the base (2) are provided with sliding expansion devices (1), the upper end outer wall of the connecting seat (4) is provided with a hydraulic rod (6), the upper end outer wall of the hydraulic rod (6) is provided with a jacking block (5), the upper end outer wall of the base (2) on the right side of the connecting seat (4) is provided with a transmission rod (8), the upper end outer wall of the transmission rod (8) is provided with a connecting sleeve (7), the sliding expansion device (1) is provided with a movable chamber (11), the movable chamber (11) is arranged on the upper end outer wall of the base (2), and a movable opening (15) is arranged inside the, the movable opening is characterized in that a movable wheel (10) is arranged inside the movable opening (15), a fixed rod (14) is arranged on the outer wall of the left end of the movable wheel (10), a fixed column (13) extending upwards is sleeved outside the fixed rod (14), a connecting cylinder (17) is arranged on the inner wall of the upper end of the movable chamber (11), the fixed column (13) is arranged inside the connecting cylinder (17), a limiting sleeve (16) is sleeved outside the fixed column (13), a strong spring (12) is sleeved outside the fixed column (13) at the upper end of the limiting sleeve (16), and the strong spring (12) is arranged inside the connecting cylinder (17).

2. The novel hydraulic jack for automobile maintenance as claimed in claim 1, characterized in that: the movable opening is characterized in that a blocking ring is arranged inside the base (2) at the left end and the right end of the movable opening (15), and the fixed rod (14) is fixedly connected with the base (2) through the blocking ring.

3. The novel hydraulic jack for automobile maintenance as claimed in claim 1, characterized in that: the fixed bearing is sleeved outside the fixed rod (14), and the fixed rod (14) is fixedly connected with the fixed column (13) through the fixed bearing.

4. The novel hydraulic jack for automobile maintenance as claimed in claim 1, characterized in that: the fixing rods (14) are arranged in two, the two fixing rods (14) are arranged on the outer walls of the left end and the right end of the movable wheel (10) respectively, and fixing columns (13) extending upwards are sleeved outside the two fixing rods (14).

5. The novel hydraulic jack for automobile maintenance as claimed in claim 1, characterized in that: the strong spring (12) can elastically deform when bearing more than twice of the self gravity of the jack.

6. The novel hydraulic jack for automobile maintenance as claimed in claim 1, characterized in that: the outer wall of hydraulic stem (6) is smooth wall, the outer wall of hydraulic stem (6) and the inner wall of connecting seat (4) can laminate completely.

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