CN109019395B

CN109019395B - Stable jack

Info

Publication number: CN109019395B
Application number: CN201810992133.XA
Authority: CN
Inventors: 李波
Original assignee: Haiyan Jiaye Machinery Tools Co ltd
Current assignee: Zhejiang Yingrui Digital Technology Co ltd
Priority date: 2018-08-29
Filing date: 2018-08-29
Publication date: 2023-11-21
Anticipated expiration: 2038-08-29
Also published as: CN109019395A

Abstract

The invention discloses a stable jack, which comprises a base, a diamond-shaped supporting frame, a screw rod, a fixed top, a driving assembly, an adjusting seat assembly and a movable top, wherein the base is provided with the diamond-shaped supporting frame, the screw rods are arranged at the hinged ends of the two sides of the diamond-shaped supporting frame, the fixed top is arranged at the top of the diamond-shaped supporting frame, the movable top is arranged above the fixed top, a limiting clamping block is arranged in the movable top, the driving assembly is symmetrically arranged on the two sides of the base, the driving assembly is provided with the driving screw rod, the adjusting seat assembly is symmetrically arranged below the driving assembly, the driving screw rod controls the adjusting seat assembly to rotate, the reinforcing supporting seat is connected to the adjusting seat assembly, the tension action of the adjusting seat assembly can prevent the jack from continuously falling down, the jack can be used in a silt environment normally, the movable top can avoid slipping phenomenon, and the installation and the disassembly are convenient.

Description

Stable jack

[ field of technology ]

The invention relates to the technical field of jacks, in particular to the technical field of stable jacks.

[ background Art ]

The jack is a light and small lifting device which uses a rigid lifting piece as a working device and lifts a heavy object in a stroke through a top bracket or a bottom supporting claw, and is a necessary emergency maintenance device for automobiles. The support base of the existing car jack is fixed, and a user must move the base of the jack continuously in order to accurately place the jack under the frame. When needs jack-up heavy object in the silt ground, the jack that uses is directly put in the silt ground, and the jack can sink into in the silt when jack-up heavy object, can't jack-up heavy object, and current jack-up supporting platform is square surface area slot structure, makes the side skirt deformation of vehicle easily when jack-up supporting bench top in the side skirt of vehicle, influences the appearance pleasing to the eye of vehicle, and when jack-up supporting bench top is in a certain plane under the suspension of vehicle, because metal and metal direct contact and area of contact are less, take place the problem such as landing easily, consequently, it is necessary to provide a stable type jack.

[ invention ]

The invention aims to solve the problems in the prior art, and provides a stable jack, wherein the jack can be prevented from continuously falling under the tension action of an adjusting seat assembly, the normal use of the jack in a silt environment is realized, the phenomenon of slipping of a movable top can be avoided, and the jack is convenient to install and disassemble.

In order to achieve the above purpose, the invention provides a stable jack, which comprises a base, a diamond-shaped supporting frame, a screw rod, a fixed top, a driving assembly, an adjusting seat assembly and a movable top, wherein the base is provided with the diamond-shaped supporting frame, the hinge ends at two sides of the diamond-shaped supporting frame are provided with the screw rod, the top of the diamond-shaped supporting frame is provided with the fixed top, the movable top is arranged above the fixed top, a limiting clamping block is arranged in the movable top, the driving assembly is symmetrically arranged at two sides of the base, a driving screw is arranged on the driving assembly, the adjusting seat assembly is symmetrically arranged below the driving assembly, the driving screw controls the adjusting seat assembly to rotate, and a reinforcing supporting seat is connected on the adjusting seat assembly.

Preferably, the driving assembly further comprises a supporting installation frame and installation blocks, the supporting installation frames are symmetrically installed on two sides of the base, two installation blocks are symmetrically arranged in the supporting installation frame, the driving screw is in threaded connection with the installation blocks, the lower end of the driving screw penetrates through the supporting installation frame to be matched with the adjusting seat assembly, two groups of hinged installation frames are symmetrically arranged below the supporting installation frame, and the adjusting seat assembly is hinged with the hinged installation frames.

Preferably, the adjusting seat assembly further comprises a driving connecting rod, anti-skidding lines and tension springs, one end of the driving connecting rod is hinged to the driving assembly, the other end of the driving connecting rod is hinged to the reinforcing supporting seat, the end, close to the driving assembly, of the reinforcing supporting seat is connected with the driving connecting rod through the tension springs, the longitudinal section of the reinforcing supporting seat is U-shaped, and the anti-skidding lines are arranged on the lower end face of the reinforcing supporting seat.

Preferably, the fixed top is provided with a transverse limit groove and a longitudinal limit groove, the movable top comprises a clamping frame, a limit clamping strip portion, a plugboard and an elastic protection sleeve, the bent plugboard extends below the clamping frame, the lower end face of the clamping frame is provided with the limit clamping strip portion, the plugboard is provided with an auxiliary limit groove portion, a clamping groove matched with the fixed top for grafting is formed between the plugboard and the clamping frame, the elastic protection sleeve is coated on the upper end face of the clamping frame, and the upper end face of the elastic protection sleeve is provided with an anti-slip protruding portion.

Preferably, the clamping frame is provided with a first mounting groove, an elastic telescopic bracket is mounted in the first mounting groove, the end part of the elastic telescopic bracket is connected with a limiting clamping block, the lower end surface of the limiting clamping block is hemispherical, and the limiting clamping block is matched with the longitudinal limiting groove.

The invention has the beneficial effects that: according to the invention, through the cooperation of the base, the diamond-shaped supporting frame, the screw rod, the fixed top, the driving assembly, the adjusting seat assembly, the movable top and the like, the downward moving height of the adjusting seat assembly can be controlled through the driving assembly, each adjusting seat assembly can be independently adjusted, the adaptability is strong, the jack can be prevented from continuously falling under the tension action of the adjusting seat assembly, the normal use of the jack in a silt environment is realized, the movable top can avoid the slipping phenomenon, and the installation and the disassembly are convenient.

The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a schematic view of a stable jack according to the present invention;

FIG. 2 is a schematic top view of a stabilized jack of the present invention;

FIG. 3 is a schematic view of the structure of an adjusting seat assembly of a stabilized jack of the present invention;

FIG. 4 is a schematic view of the structure of a movable jack of a stabilized jack of the present invention;

fig. 5 is a schematic top view of a stationary jack of the present invention.

[ detailed description ] of the invention

Referring to fig. 1 to 5, the stable jack of the present invention comprises a base 1, a diamond-shaped supporting frame 2, a screw rod 3, a fixed top 4, a driving component 5, an adjusting seat component 6 and a movable top 7, wherein the diamond-shaped supporting frame 2 is installed on the base 1, the screw rod 3 is arranged at the hinged ends of two sides of the diamond-shaped supporting frame 2, the fixed top 4 is arranged at the top of the diamond-shaped supporting frame 2, the movable top 7 is installed above the fixed top 4, a limiting clamping block 713 is installed in the movable top 7, driving components 5 are symmetrically installed on two sides of the base 1, a driving screw rod 50 is installed on the driving component 5, an adjusting seat component 6 is symmetrically arranged below the driving component 5, the driving screw rod 50 controls the adjusting seat component 6 to rotate, and a reinforcing supporting seat 62 is connected on the adjusting seat component 6. The driving assembly 5 further comprises a supporting installation frame 51 and installation blocks 52, the supporting installation frame 51 is symmetrically installed on two sides of the base 1, two installation blocks 52 are symmetrically arranged in the supporting installation frame 51, the driving screw 50 is in threaded connection with the installation blocks 52, the lower end of the driving screw 50 penetrates through the supporting installation frame 51 to be matched with the adjusting seat assembly 6, two groups of hinge installation frames 511 are symmetrically arranged below the supporting installation frame 51, and the adjusting seat assembly 6 is hinged with the hinge installation frames 511. The adjusting seat assembly 6 further comprises a driving connecting rod 61, anti-skid threads 63 and a tension spring 64, one end of the driving connecting rod 61 is hinged to the driving assembly 5, the other end of the driving connecting rod 61 is hinged to a reinforcing supporting seat 62, the end, close to the driving assembly 5, of the reinforcing supporting seat 62 is connected with the driving connecting rod 61 through the tension spring 64, the longitudinal section of the reinforcing supporting seat 62 is U-shaped, and the anti-skid threads 63 are formed in the lower end face of the reinforcing supporting seat 62. The fixed plug 4 is provided with a transverse limit groove 41 and a longitudinal limit groove 42, the movable plug 7 comprises a clamping frame 71, a limit clamping strip portion 72, a plug board 73 and an elastic protection sleeve 74, the bent plug board 73 extends below the clamping frame 71, the lower end face of the clamping frame 71 is provided with the limit clamping strip portion 72, the plug board 73 is provided with an auxiliary limit groove portion 731, a clamping groove matched with the fixed plug 4 is formed between the plug board 73 and the clamping frame 71, the upper end face of the clamping frame 71 is coated with the elastic protection sleeve 74, and the upper end face of the elastic protection sleeve 74 is provided with an anti-slip protrusion 741. The clamping frame 71 is provided with a first mounting groove 711, an elastic telescopic bracket 712 is mounted in the first mounting groove 711, the end of the elastic telescopic bracket 712 is connected with a limiting clamping block 713, the lower end surface of the limiting clamping block 713 is hemispherical, and the limiting clamping block 713 is matched with the longitudinal limiting groove 42.

The working process of the invention comprises the following steps:

the working principle of the stable jack is as follows: through the cooperation of base, diamond-shaped support frame, the lead screw, fixed top, actuating assembly, adjust seat subassembly and movable top etc., can control the height of adjusting seat subassembly downwardly moving through actuating assembly, and every adjusts seat subassembly and can carry out independent regulation, strong adaptability, adjust the tension effect of seat subassembly and can prevent that the jack from continuing to drop, realize the normal use of jack in silt environment, the movable top can avoid taking place the phenomenon of slippage, and be convenient for install and dismantle, during the use, control drive connecting rod 61 rotation through actuating screw 50 downwards screwing, the one end that the extension spring 64 was kept away from to the reinforcement supporting seat 62 contacts earlier ground, until the lower terminal surface of reinforcement supporting seat 62 contacts with ground completely, the in-process that movable top 7 used, directly inserts fixed top 4 on wherein spacing clamping part 72 and horizontal spacing groove 41 looks joint, spacing fixture block 713 and vertical spacing groove 42 joint.

The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.

Claims

1. A stable jack, characterized in that: including base (1), diamond-shaped support frame (2), lead screw (3), fixed plug (4), drive assembly (5), regulation seat subassembly (6) and movable plug (7), diamond-shaped support frame (2) are installed to base (1), the articulated end of diamond-shaped support frame (2) both sides is equipped with lead screw (3), the top of diamond-shaped support frame (2) is equipped with fixed plug (4), install in fixed plug (4) top movable plug (7), install spacing fixture block (713) in movable plug (7), drive assembly (5) are installed to the bilateral symmetry of base (1), install drive screw (50) on drive assembly (5), the below symmetry of drive assembly (5) is equipped with regulation seat subassembly (6), drive screw (50) control regulation seat subassembly (6) rotate, the handing-over has reinforcing support seat (62) on regulation seat subassembly (6), drive assembly (5) still include support mounting bracket (51) and installation piece (52), install in support bracket (51) symmetry and installation piece (52) two screw (52) are installed to support bracket (51), the lower extreme of drive screw (50) runs through support mounting bracket (51) and adjusts seat subassembly (6) and cooperatees, the below symmetry of support mounting bracket (51) is equipped with two sets of articulated mounting bracket (511), adjust seat subassembly (6) and articulated mounting bracket (511) and articulate mutually, adjust seat subassembly (6) still include drive connecting rod (61), anti-skidding line (63) and extension spring (64), the one end and the drive subassembly (5) of drive connecting rod (61) articulate mutually, the other end and the reinforcing support seat (62) of drive connecting rod (61) articulate mutually, the tip that the reinforcing support seat (62) is close to drive subassembly (5) links to each other with drive connecting rod (61) through extension spring (64), the longitudinal section shape of reinforcing support seat (62) is the U font, the lower terminal surface of reinforcing support seat (62) is equipped with anti-skidding line (63).

2. A stabilising jack as claimed in claim 1, wherein: the utility model provides a fixed plug (4) is last to be equipped with horizontal spacing groove (41) and vertical spacing groove (42), movable plug (7) are including clamping frame (71), spacing card strip portion (72), picture peg (73) and elastic protection cover (74), the below extension of clamping frame (71) has picture peg (73) of buckling, the lower terminal surface of clamping frame (71) is equipped with spacing card strip portion (72), spacing card strip portion (72) cooperatees with horizontal spacing groove (41), be equipped with supplementary spacing groove portion (731) on picture peg (73), form the draw-in groove that cooperatees grafting with fixed plug (4) between picture peg (73) and the clamping frame (71), the up end cladding of clamping frame (71) has elastic protection cover (74), the up end of elastic protection cover (74) is equipped with non-slip protruding portion (741).

3. A stabilising jack as claimed in claim 2, wherein: the clamping frame (71) is provided with a first mounting groove (711), an elastic telescopic bracket (712) is arranged in the first mounting groove (711), the end part of the elastic telescopic bracket (712) is connected with a limiting clamping block (713), the lower end surface of the limiting clamping block (713) is hemispherical, and the limiting clamping block (713) is matched with the longitudinal limiting groove (42).