CN210559090U

CN210559090U - Screw type jack

Info

Publication number: CN210559090U
Application number: CN201920784638.7U
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 screw jack, which comprises a base, an upper rotating plate, a lower rotating plate, a screw rod, a bidirectional threaded cylinder, a screw tightener, a screw loosener, a top plate and a limit post, wherein the lower rotating plate is symmetrically and rotatably arranged on the top surface of the base, the top of the base is provided with the top plate in parallel, the bottom surface of the top plate is symmetrically and rotatably arranged with the upper rotating plate, the bottom end of the upper rotating plate is rotatably connected with the top end of the lower rotating plate through a rotating shaft, the screw rod is rotatably sleeved outside the connecting rotating shaft of the upper rotating plate and the lower rotating plate, the bidirectional threaded cylinder is arranged above the base and is meshed and connected with the screw rod, the screw jack improves the traditional end force application mode, the force application position is arranged at the center of the device, the use stability of the device is increased, and the screw tightener and the screw loosener which are made of a ratchet bearing rotate through the reciprocating force application to conveniently, the drive goes up and down, and the simple operation has improved lift efficiency, and the practicality reinforcing.

Description

Screw type jack

Technical Field

The utility model relates to a jack technical field specifically is a spiral jack.

Background

The jack is light and small lifting equipment which takes a rigid jacking piece as a working device and jacks a heavy object through a top bracket or a bottom supporting claw within a small stroke. The jack is mainly used for the departments of factories, mines, transportation and the like as vehicle repair, other lifting, supporting and the like.

Spiral jack is a common jack for support light weight heavy object, present spiral jack is through the one end of rotating the lead screw, and spiral drive goes up and down, but stirs the drive from the tip and exert oneself inconveniently, and it is convenient inadequately to operate, and overweight exerting oneself influences the stability of placing of device easily moreover, for this reason, we propose a spiral jack.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spiral jack to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a spiral jack, includes base, upper rotating plate, lower rotating plate, lead screw, two-way thread section of thick bamboo, tight silk ware, loose silk ware, roof and spacing post, base top face symmetry is rotated and is installed down the rotating plate, base top parallel arrangement has the roof, and roof bottom surface symmetry rotates and installs the upper rotating plate, the upper rotating plate bottom rotates through the pivot with lower rotating plate top and is connected, the upper rotating plate rotates with the pivot outside of being connected of lower rotating plate and has cup jointed the lead screw, the base top is equipped with two-way thread section of thick bamboo, and the lead screw is connected with the meshing of two-way thread section of thick bamboo, base surface symmetry is fixed with the spacing post, and spacing capital portion and two-way thread section of thick bamboo erection joint, two-way thread section of thick bamboo outside is located and installs tight silk ware and loose silk ware between the spacing.

Preferably, the upper rotating plate and the lower rotating plate are both made of double steel plates.

Preferably, the structure of the wire tightener is the same as that of the wire loosener, the wire tightener comprises a ratchet bearing and an inserted link, the ratchet bearing is fixedly clamped outside the bidirectional threaded cylinder, the inserted link is fixedly arranged outside the ratchet bearing, and the ratchet bearings of the wire tightener and the wire loosener are installed in opposite rotating directions.

Preferably, the end part of the inserted link is provided with a chamfer.

Preferably, the limiting column comprises a lantern ring, a telescopic rod and a telescopic cylinder, the bottom end of the telescopic cylinder is fixedly connected with the base, the top of the telescopic cylinder is slidably inserted with the telescopic rod, the top end of the telescopic rod is fixedly provided with the lantern ring, and the lantern ring is rotatably sleeved with the bidirectional threaded cylinder through a bearing.

Preferably, the top plate and the rotating shaft end part rotationally connected with the upper rotating plate and the base and the rotating shaft end part rotationally connected with the lower rotating plate are both provided with gears which are meshed with each other.

Compared with the prior art, the beneficial effects of the utility model are that: the device carries out lifting work, the device is placed on a stable bottom surface, the top plate corresponds to a lifting part, a handle rod is inserted into a screw tightener to rotate the screw tightener back and forth to drive a bidirectional screw thread cylinder to rotate, the screw is retracted into the bidirectional screw thread cylinder through meshing connection of the bidirectional screw thread cylinder and a screw rod, an upper rotating plate and a lower rotating plate are pulled to gather and contract inwards, an object is jacked up through the top plate, when the device unloads the weight, the handle rod is inserted into the screw loosener to rotate the screw loosener back and forth to drive the bidirectional screw thread cylinder to rotate reversely, the upper rotating plate and the lower rotating plate are driven to diffuse and rotate outwards through transmission, the position of the top plate is lowered to realize weight unloading, the spiral jack improves the traditional end force applying mode, the force applying position is placed at the center of the device, the use stability of the device is improved, and the screw tightener and the screw loosener which are made of a ratchet bearing rotate through back and forth force, the drive goes up and down, and the simple operation has improved lift efficiency, and the practicality reinforcing.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic diagram of the upper rotating plate structure of the present invention;

FIG. 4 is a schematic view of the structure of the spacing column of the present invention;

fig. 5 is a schematic view of the structure of the wire tightener of the present invention.

In the figure: 1. a base; 2. an upper rotating plate; 3. a lower rotating plate; 4. a screw rod; 5. a bidirectional threaded barrel; 6. a wire tightener; 7. a filament loosening device; 8. a top plate; 9. a limiting column; 10. a gear; 11. a collar; 12. a telescopic rod; 13. a telescopic cylinder; 14. a ratchet bearing; 15. and (4) inserting the rod.

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. 1-5, the present invention provides a technical solution: the utility model provides a spiral jack, the on-line screen storage device comprises a base 1, go up commentaries on classics board 2, lower revolving plate 3, lead screw 4, two-way thread section of thick bamboo 5, tight silk ware 6, loose silk ware 7, roof 8 and

spacing post

9, 1 top of the base face symmetry is rotated and is installed down commentaries on

classics board

3, 1 top parallel arrangement of base has

roof

8, and 8 bottom surfaces symmetry of roof rotate and install last commentaries on classics board 2, go up commentaries on classics board 2 bottom and 3 tops of lower revolving plate and rotate through the pivot and be connected, it has cup jointed lead screw 4 to rotate the pivot outside of being connected of going up commentaries on classics board 2 and lower

revolving plate

3, 1 top of the base is equipped with two-way thread section of thick bamboo 5, and lead screw 4 is connected with 5 meshing of two-way thread section of thick bamboo, 1 surface symmetry of base is fixed with spacing post 9, and.

The device carries out jack-up work, place the device in steady bottom surface, roof 8 corresponds with the jack-up position, use handle bar and tight silk ware 6 to peg graft, come and go and rotate tight silk ware 6, it rotates to drive two-way screw thread section of thick bamboo 5, be connected through the meshing of two-way screw thread section of thick bamboo 5 with lead screw 4, make lead screw 4 retract in two-way screw thread section of thick bamboo 5, the shrink is gathered together to the inside of pulling upper rotating plate 2 and lower rotating plate 3, jack-up the object through roof 8, when the device is unloaded heavily, peg graft handle bar and pine silk ware 7, come and go and rotate pine silk ware 7, it reverses to drive two-way screw thread section of thick bamboo 5, make upper rotating plate 2 and lower rotating plate 3 outward diffusion through the transmission and rotate, roof.

The upper rotating plate 2 and the lower rotating plate 3 are both made of double steel plates, and the stress supporting strength of the device is improved.

The structure of the wire tightener 6 is the same as that of the wire loosener 7, the wire tightener 6 comprises a ratchet bearing 14 and an inserting rod 15, the ratchet bearing 14 is fixedly clamped and sleeved on the outer side of the bidirectional threaded cylinder 5, the inserting rod 15 is fixed on the outer side of the ratchet bearing 14, the installation and rotation directions of the ratchet bearing 14 of the wire tightener 6 and the ratchet bearing 14 of the wire loosener 7 are opposite, the handle rod is connected with the inserting rod 15 in an inserting mode through the unidirectional stress rotation function of the ratchet bearing 14, the ratchet bearing 14 is controlled to drive the bidirectional threaded cylinder 5 to rotate, and lifting driving is achieved.

The end part of the insertion rod 15 is provided with a chamfer, so that the insertion rod can be conveniently inserted and fixed with the adjusting handle.

Spacing post 9 includes the lantern ring 11, telescopic link 12 and

telescopic cylinder

13, 13 bottom and the 1 fixed connection of base of telescopic cylinder, 13 tops of telescopic cylinder are slided and are pegged graft and have

telescopic link

12, 12 tops of telescopic link are fixed with the lantern ring 11, and lantern ring 11 rotates through bearing and two-way screw thread section of thick bamboo 5 and cup joints, and when the device goes up and down, two-way screw thread section of thick bamboo 5 and lead screw 4 position also go up and down, peg graft through the slip of telescopic link 12 with telescopic cylinder 13, have improved the lift stability of two-way screw thread section of thick.

Roof 8 and last rotor plate 2 rotate the pivot tip of connecting and base 1 and lower rotor plate 3 rotate the pivot tip of connecting and all install intermeshing's gear 10, through the installation of gear 10, make two go up rotor plates 2 and two meshing connections when rotating plate 3, improve and rotate synchronous stability.

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. The utility model provides a spiral jack, includes base (1), upper rotating plate (2), lower rotating plate (3), lead screw (4), a two-way screw section of thick bamboo (5), tight silk ware (6), loose silk ware (7), roof (8) and spacing post (9), its characterized in that: base (1) top face symmetry rotates installs down commentaries on classics board (3), base (1) top parallel arrangement has roof (8), and roof (8) bottom surface symmetry rotates and installs commentaries on classics board (2), go up commentaries on classics board (2) bottom and commentaries on classics board (3) top down and rotate through the pivot and be connected, go up commentaries on classics board (2) and the rotation of being connected of lower commentaries on classics board (3) outside and rotate and cup jointed lead screw (4), base (1) top is equipped with two-way screw thread section of thick bamboo (5), and lead screw (4) are connected with two-way screw thread section of thick bamboo (5) meshing, base (1) surface symmetry is fixed with spacing post (9), and spacing post (9) top and two-way screw thread section of thick bamboo (5) erection joint, two-way screw thread section of thick bamboo (5) outside is located and installs between spacing post (9) and.

2. A screw jack according to claim 1 wherein: the upper rotating plate (2) and the lower rotating plate (3) are both made of double steel plates.

3. A screw jack according to claim 1 wherein: the structure of the wire tightener (6) is the same as that of the wire loosener (7), the wire tightener (6) comprises a ratchet bearing (14) and an inserted rod (15), the ratchet bearing (14) is fixedly clamped on the outer side of the bidirectional threaded cylinder (5), the inserted rod (15) is fixedly arranged on the outer side of the ratchet bearing (14), and the ratchet bearings (14) of the wire tightener (6) and the wire loosener (7) are installed and screwed in opposite directions.

4. A screw jack according to claim 3 wherein: the end part of the inserted bar (15) is provided with a chamfer.

5. A screw jack according to claim 1 wherein: spacing post (9) are including lantern ring (11), telescopic link (12) and telescopic cylinder (13), telescopic cylinder (13) bottom and base (1) fixed connection, telescopic cylinder (13) top is slided and is pegged graft and has telescopic link (12), telescopic link (12) top is fixed with the lantern ring (11), and lantern ring (11) rotate with two-way screw thread section of thick bamboo (5) through the bearing and cup joint.

6. A screw jack according to claim 1 wherein: roof (8) and last revolving plate (2) rotate the pivot tip of connecting and base (1) and down revolving plate (3) rotate the pivot tip of connecting and all install intermeshing's gear (10).