CN210559088U

CN210559088U - High lift type screw jack

Info

Publication number: CN210559088U
Application number: CN201920785747.0U
Authority: CN
Inventors: 宋凯
Original assignee: Jiaxing Lituo Machinery Co ltd
Current assignee: Jiaxing Lituo Machinery Co ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-05-19
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a high lift type screw jack, which comprises a base and a screw jack body, wherein the top of the base is fixedly provided with the screw jack body, the bottom end of the inner wall of the screw jack body is fixedly connected with a baffle plate, the bottom of the inner wall of the screw jack body is rotatably connected with a transmission rod, the outer side of the transmission rod is fixedly provided with a worm wheel, the outer side of the worm wheel is provided with a worm, the worm wheel is meshed with the worm, one end of the worm is rotatably connected with the inner wall of the screw jack body, the other end of the worm passes through the screw jack body, the center of the top of the baffle plate in the screw jack body is rotatably connected with a screw rod, the top of the transmission rod passes through the baffle plate and is fixedly connected with the screw rod, a screw sleeve is slidably connected in the screw jack body, and the top end of the screw sleeve passes through the, the jack is convenient to move, good in stability and convenient to popularize and use.

Description

High lift type screw jack

Technical Field

The utility model relates to a jack technical field specifically is a high lift formula screw jack.

Background

The screw jack realizes the lifting of the screw sleeve through controlling the rotation of the threaded rod and the threaded connection of the threaded rod and the screw sleeve, thereby realizing the jacking of the heavy object.

Present screw jack rocks the rocker through the manpower usually, realize the rotation of threaded rod through the transmission between the gear, and then realize control screw sleeve's lift, but when jacking up the heavier object of quality, it is very hard to control screw sleeve's lift through the manpower, and present screw jack is when the screw rod rotates, through the threaded connection of screw sleeve with the screw rod, make screw sleeve also can take place to rotate, lead to screw sleeve's stability relatively poor, and present screw jack is not convenient for remove, for this reason, we propose a high lift formula screw jack.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a high lift type screw jack to solve the problems in the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-lift type screw jack comprises a base and a screw jack body, wherein the top of the base is fixedly provided with the screw jack body, the bottom end of the inner wall of the screw jack body is fixedly connected with a partition plate, the bottom of the inner wall of the screw jack body is rotatably connected with a transmission rod, the outer side of the transmission rod is fixedly provided with a worm gear, the outer side of the worm gear is provided with a worm, the worm gear is meshed with the worm and connected with the worm, one end of the worm is rotatably connected with the inner wall of the screw jack body, the other end of the worm penetrates through the screw jack body, the center of the top of the partition plate in the screw jack body is rotatably connected with a screw rod, the top of the transmission rod penetrates through the partition plate and is fixedly connected with the screw rod, the screw sleeve is slidably connected in the screw jack body, the top, screw rod threaded connection is in the threaded hole of spiral sleeve bottom, the one end fixed mounting at base top has the fixed case, and fixed incasement difference fixed mounting have motor and speed reducer, the output shaft tip of motor and the input shaft fixed connection of speed reducer, the output shaft tip of speed reducer passes fixed case and worm fixed connection, the solid fixed ring of outside fixedly connected with of jack body, and solid fixed ring's outside equidistance is fixed with four bracing pieces, and the equal fixed connection in top of base of tip of four bracing pieces, control panel is installed in the solid fixed ring outside, four enhancement nose bars of the equal equidistance fixedly connected with in top and the bottom in the jack body outside, and the enhancement nose bar all with jack body integrated into one piece.

Preferably, the draw-in groove has been seted up to the inner wall equidistance of jack body, and the draw-in groove has threely, the three fixture block of bottom equidistance fixedly connected with in the screw sleeve outside, and three fixture block cooperate sliding connection respectively in three draw-in groove, screw sleeve is through setting up the fixture block sliding connection above that in the jack body.

Preferably, the cross sections of the clamping block and the clamping groove are both in T-shaped structures.

Preferably, the inner wall of the fixed box is fixedly connected with a sound insulation pad.

Preferably, the four corners of the bottom of the base are provided with self-locking wheels.

Preferably, the other end of the top of the base is symmetrically and fixedly connected with a fixing rod, and the end part of the fixing rod is fixedly connected with a handle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses change traditional manual control into electric control, through at motor output shaft end connection speed reducer, play the effect of speed reduction, be convenient for control the speed of spiral shell's lift, the motor during operation makes the worm rotate, be connected through the meshing of worm and worm wheel, make the screw rod rotate, through screw rod and spiral shell's threaded connection, realize spiral shell's lift, avoided the manual control condition that wastes time and energy, through having set up the auto-lock wheel, be convenient for to the removal of this jack, convenient to use.

2. The utility model discloses solid fixed ring is fixed in the outside of jack, and fixed support bar between solid fixed ring and base, the reinforcing effect to the jack body has been played, the stability of jack body has been strengthened, through set up the draw-in groove at jack body inner wall, and set up the fixture block in the screw sleeve outside, be connected through fixture block and draw-in groove, it is more stable to make the screw sleeve lift in-process, be convenient for better jack-up heavy object, through the fixed enhancement nose bar in the outside of jack body, be convenient for strengthen the support intensity of this jack, the life of jack body has been increased, this jack uses comparatively labour saving and time saving, and stability is better, and convenient to popularize and use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a cross-sectional view of the jack body of the present invention;

fig. 3 is a schematic structural view of a cross-sectional view of the spiral sleeve of the present invention.

In the figure: 1. a base; 2. a jack body; 3. a helical sleeve; 4. a top plate; 5. a partition plate; 6. a transmission rod; 7. a worm gear; 8. a worm; 9. a screw; 10. a fixed box; 11. a motor; 12. a sound insulating pad; 13. a speed reducer; 14. a card slot; 15. a clamping block; 16. a fixing ring; 17. a control panel; 18. a reinforcing nose bar; 19. a support bar; 20. a self-locking wheel; 21. fixing the rod; 22. a handle.

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. 1-3, the present invention provides a technical solution: a high lift type screw jack comprises a base 1 and a jack body 2, wherein the top of the base 1 is fixedly provided with the jack body 2, the bottom end of the inner wall of the jack body 2 is fixedly connected with a partition plate 5 to play a role of separation, the bottom of the inner wall of the jack body 2 is rotatably connected with a transmission rod 6, the outer side of the transmission rod 6 is fixedly provided with a worm wheel 7, the outer side of the worm wheel 7 is provided with a worm 8, the worm wheel 7 is meshed with the worm 8 and is connected with the worm 8 through the meshing connection of the worm wheel 7 and the worm 8 to control the rotation of the transmission rod 6 conveniently, one end of the worm 8 is rotatably connected with the inner wall of the jack body 2, the other end of the worm 8 penetrates through the jack body 2, the top center of the partition plate 5 in the jack body 2 is rotatably connected with a screw rod 9, the top of the transmission rod 6, the lifting of the spiral sleeve 3 is convenient, the top end of the spiral sleeve 3 penetrates through the top of the jack body 2 and is fixedly connected with a top plate 4, the top plate 4 is convenient to support a heavy object, the bottom center of the spiral sleeve 3 is provided with a threaded hole, a screw rod 9 is in threaded connection with the threaded hole at the bottom of the spiral sleeve 3, the lifting of the spiral sleeve 3 is convenient to control through the threaded connection of the screw rod 9 and the spiral sleeve 3, one end of the top of the base 1 is fixedly provided with a fixed box 10, a motor 11 and a speed reducer 13 are respectively and fixedly arranged in the fixed box 10, the output shaft end part of the motor 11 is fixedly connected with an input shaft of the speed reducer 13, the output shaft end part of the speed reducer 13 penetrates through the fixed box 10 and is fixedly connected with a worm 8, the traditional manual control is changed into electric control, the speed reducer 13 is connected with the output shaft end part, when the motor 11 works, the worm 8 is rotated, the worm wheel 7 is rotated through the meshing connection of the worm 8 and the worm wheel 7, the screw rod 9 is connected with the screw sleeve 3 through threads, the lifting of the screw sleeve 3 is realized, the outer side of the jack body 2 is fixedly connected with the fixing ring 16, the outer side of the fixing ring 16 is equidistantly fixed with four support rods 19, the end parts of the four support rods 19 are fixedly connected with the top part of the base 1, the outer side of the fixing ring 16 is provided with the control panel 17, the top end and the bottom end of the outer side of the jack body 2 are equidistantly fixedly connected with four reinforcing convex rods 18, the reinforcing convex rods 18 are integrally formed with the jack body 2, the fixing ring 16 is fixed on the outer side of the jack body 2, the support rods 19 are fixed between the fixing ring 16 and the base 1, the reinforcing effect on the jack body 2 is achieved, the stability of the jack body 2 is enhanced, and the clamping grooves 14, and set up fixture block 15 in the spiral sleeve 3 outside, through being connected of fixture block 15 and draw-in groove 14, make the spiral sleeve 3 lift in-process more stable, the better jack-up heavy object of being convenient for, through the fixed enhancement nose bar 18 in the outside of jack body 2, be convenient for strengthen this jack body 2's support strength, increased jack body 2's life.

Draw-in groove 14 has been seted up to the inner wall equidistance of jack body 2, and draw-in groove 14 has threely, the three fixture block 15 of bottom equidistance fixedly connected with in the 3 outsides of spiral sleeve, and three fixture block 15 cooperates sliding connection respectively in three draw-in groove 14, spiral sleeve 3 is through setting up fixture block 15 sliding connection above that in jack body 2, with the three fixture block 15 sliding connection in the three draw-in groove 14 of the 2 inner walls of jack body in the 3 outsides of spiral sleeve, greatly increased the stability that spiral sleeve 3 goes up and down.

The cross sections of the clamping block 15 and the clamping groove 14 are both in T-shaped structures, so that the clamping block 15 can be clamped in the clamping groove 14 more stably.

The inner wall fixedly connected with of fixed case 10 gives sound insulation and fills up 12, plays better syllable-dividing effect, prevents that motor 11 working vibration from producing great noise, influencing the operation.

Self-locking wheels 20 are installed at four corners of the bottom of the base 1, so that the whole device can be moved and fixed conveniently.

The other end symmetry fixedly connected with dead lever 21 at base 1 top, and the tip fixedly connected with handle 22 of dead lever 21, through promoting the removal that handle 22 can thrust unit, be convenient for control the removal of this jack body 2.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. A high lift type screw jack comprises a base (1) and a jack body (2), and is characterized in that: the jack is characterized in that a jack body (2) is fixedly mounted at the top of the base (1), a partition plate (5) is fixedly connected to the bottom of the inner wall of the jack body (2), a transmission rod (6) is rotatably connected to the bottom of the inner wall of the jack body (2), a worm wheel (7) is fixed to the outer side of the transmission rod (6), a worm (8) is arranged on the outer side of the worm wheel (7), the worm wheel (7) is meshed with the worm (8) to be connected, one end of the worm (8) is rotatably connected to the inner wall of the jack body (2), the other end of the worm (8) penetrates through the jack body (2), a screw rod (9) is rotatably connected to the top center of the partition plate (5) in the jack body (2), the top of the transmission rod (6) penetrates through the partition plate (5) to be fixedly connected with the screw rod (9), and a spiral sleeve (, and the top of the spiral sleeve (3) penetrates the top of the jack body (2) to be fixedly connected with a top plate (4), a threaded hole is arranged at the center of the bottom of the spiral sleeve (3), the screw rod (9) is in threaded connection with the threaded hole at the bottom of the spiral sleeve (3), one end of the top of the base (1) is fixedly provided with a fixed box (10), a motor (11) and a speed reducer (13) are respectively and fixedly arranged in the fixed box (10), the end part of an output shaft of the motor (11) is fixedly connected with an input shaft of the speed reducer (13), the end part of an output shaft of the speed reducer (13) penetrates the fixed box (10) to be fixedly connected with a worm (8), the outer side of the jack body (2) is fixedly connected with a fixed ring (16), four support rods (19) are fixedly arranged at equal intervals on the outer side of the fixed ring (16), and the end parts of the four, control panel (17) are installed in solid fixed ring (16) outside, four enhancement nose bars (18) of the equal equidistance fixedly connected with in top and the bottom in jack body (2) outside, and strengthen nose bar (18) all with jack body (2) integrated into one piece.

2. A high-lift screw jack as claimed in claim 1, wherein: draw-in groove (14) have been seted up to the inner wall equidistance of jack body (2), and draw-in groove (14) have threely, three fixture block (15) of bottom equidistance fixedly connected with in the screw sleeve (3) outside, and three fixture block (15) cooperate sliding connection respectively in three draw-in groove (14), screw sleeve (3) are through setting up fixture block (15) sliding connection above that in jack body (2).

3. A high-lift screw jack as claimed in claim 2, wherein: the sections of the clamping blocks (15) and the clamping grooves (14) are both in T-shaped structures.

4. A high-lift screw jack as claimed in claim 1, wherein: the inner wall of the fixed box (10) is fixedly connected with a sound insulation pad (12).

5. A high-lift screw jack as claimed in claim 1, wherein: the four corners of the bottom of the base (1) are provided with self-locking wheels (20).

6. A high-lift screw jack as claimed in claim 1, wherein: the other end of the top of the base (1) is symmetrically and fixedly connected with a fixed rod (21), and the end part of the fixed rod (21) is fixedly connected with a handle (22).