CN213326501U

CN213326501U - Novel aluminum alloy screw jack

Info

Publication number: CN213326501U
Application number: CN202021879041.XU
Authority: CN
Inventors: 朱永泉; 倪国强
Original assignee: HANGZHOU LANHAN MACHINERY CO LTD
Current assignee: HANGZHOU LANHAN MACHINERY CO LTD
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-06-01
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses a novel aluminum alloy screw jack, which comprises a transmission device, a first worm, a push rod, a first ratchet wheel, a second ratchet wheel, a first aluminum alloy end cover, a second planar bearing, a first retainer ring, a second retainer ring, a third planar bearing and a second aluminum alloy end cover, when an operator uses the screw jack, the top cover is manually rotated to raise the part, and simultaneously the push rod is manually pushed and pulled to drive the second ratchet wheel to rotate with the worm, the first worm rotates to simultaneously rotate the second planar bearing and the first retainer ring, and the second retainer ring and the third planar bearing also rotate simultaneously, so that the copper alloy nut drives the sawtooth-shaped screw rod to move vertically upwards, the sawtooth-shaped screw rod raises upwards to drive the top cover to jack up a support, finally the object is supported at a required height, and the operator manually stops the force application of the push rod to facilitate the operator to carry, and the design adopts worm and gear transmission, and the operating force is 35-40% of the original operating force.

Description

Novel aluminum alloy screw jack

Technical Field

The utility model relates to a jack spare part technical field especially relates to a novel aluminum alloy screw jack.

Background

The jack is a light and small hoisting equipment jack which takes a rigid jacking piece as a working device and jacks a heavy object in a small stroke through a top bracket or a bottom supporting claw, is mainly used in departments of factory and mine, transportation and the like as vehicle repair and other hoisting, supporting and other works, and has the advantages of light, firm, flexible and reliable structure, capability of being carried and operated by one person, great labor force and low lifting efficiency of the existing jack depending on manpower, and inconvenient carrying due to large integral weight.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems, the novel aluminum alloy screw jack is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel aluminum alloy screw jack comprises a jack shell, a convenient handle and a transmission device, wherein the upper half section of the side edge of the jack shell is fixedly connected with the upper end and the lower end of the convenient handle, the jack shell comprises a chassis, a first plane bearing, a first worm gear, an alloy copper nut, a sawtooth-shaped screw, an aluminum alloy body, a sleeve and a top cover, the inner wall of the chassis is sleeved with the outer surface of the first plane bearing, the bottom of the first worm gear is inserted into the chassis and sleeved with the lower half section of the outer surface of the sawtooth-shaped screw, the sawtooth-shaped screw is embedded into the central point of the inner wall of the jack shell, the bottom of the sawtooth-shaped screw is inserted into the central groove of the top of the chassis, a plurality of groups of aluminum alloy bodies are fixedly connected with the side surface of the jack shell, the sleeve is embedded into the inner wall of the jack, the transmission device comprises a first worm, a first push rod, a first ratchet, a second ratchet, a first aluminum alloy end cover, a second planar bearing, a first retainer ring, a second retainer ring, a third planar bearing and a second aluminum alloy end cover, wherein the first worm is embedded into the center of the inner wall of the convenient handle, the first ratchet is movably connected with the center of the inner wall of the convenient handle, the two bottoms of the first ratchet are meshed with the center of the push rod, the aluminum alloy end cover is sleeved with the first right end of the worm, the second planar bearing is sleeved with the first worm, the first retainer ring is sleeved with the first left end of the aluminum alloy end cover, the first retainer ring is sleeved with the second left end of the planar bearing, the third planar bearing is sleeved with the first worm, the first retainer ring is arranged at the left end of the two retainer rings, and the second aluminum.

As a further description of the above technical solution:

the outer surface of the sleeve is provided with a slot, and the top of the sleeve is circular.

As a further description of the above technical solution:

the first worm is sleeved by the internal device of the convenient handle.

As a further description of the above technical solution:

the jack shell top fixed plate is provided with two groups of slots for thread fixing, and the left and right sides of the slot are symmetrical to form four groups.

As a further description of the above technical solution:

two sides of the aluminum alloy end cover are provided with eight groups of round holes, and the radius of the round holes is 5 mm.

As a further description of the above technical solution:

the whole outer surface of the jack shell is made of aluminum alloy through a die-casting process.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

a novel aluminum alloy screw jack comprises a jack shell, a convenient handle and a transmission device, when an operator uses the jack, the chassis is firstly fixed at a position to be supported, the top cover is manually rotated to raise the part, meanwhile, the push rod is manually pushed and pulled to drive the ratchet wheel II and the worm to rotate together, the worm rotates to simultaneously drive the plane bearing II and the check ring I to rotate, the check ring II and the plane bearing III also rotate simultaneously, so that the alloy copper nut drives the sawtooth-shaped screw rod to move upwards and vertically, the sawtooth-shaped screw rod rises upwards to drive the top cover to jack a support, finally, an object is supported at a required height, the operator manually stops the force application of the push rod, the jack shell adopts an aluminum alloy die casting process, and the total weight of the original common casting jack is reduced, the jack is convenient for operators to carry, paint is not coated on the outer surface of the jack shell, the jack is suitable for the current national environmental protection requirement, the design adopts worm and gear transmission, and the operating force is 35-40% of the original operating force.

Drawings

Fig. 1 shows a schematic view of an overall structure of a worm gear jack provided according to an embodiment of the present invention;

fig. 2 shows a schematic structural view of a front view of a worm gear jack provided according to an embodiment of the present invention;

fig. 3 shows a schematic side view of a cross-sectional structure of a worm gear jack provided according to an embodiment of the present invention.

Illustration of the drawings:

1. a jack housing; 2. a convenient handle; 3. a transmission device; 151. a chassis; 152. a first plane bearing; 153. a first worm wheel; 154. an alloy copper nut; 155. a serrated screw; 156. an aluminum alloy body; 157. a sleeve; 158. a top cover; 351. a first worm; 352. a push rod; 353. a first ratchet wheel; 354. a second ratchet wheel; 355. a first aluminum alloy end cover; 356. a second plane bearing; 357. a first check ring; 358. a second check ring; 359. a plane bearing III; 360. and a second aluminum alloy end cover.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a technical solution: a novel aluminum alloy screw jack comprises a jack shell 1, a convenient handle 2 and a transmission device 3, wherein the upper end and the lower end of the convenient handle 2 are fixedly connected with the half section of the side edge of the jack shell 1, the jack shell 1 comprises a base plate 151, a plane bearing I152, a worm gear I153, an alloy copper nut 154, a sawtooth-shaped screw 155, an aluminum alloy body 156, a sleeve 157 and a top cover 158, the outer surface of the plane bearing I152 is sleeved on the inner wall of the base plate 151, the bottom of the worm gear I153 is inserted into the base plate 151 and sleeved on the lower half section of the outer surface of the sawtooth-shaped screw 155, the sawtooth-shaped screw 155 is embedded into the central point of the inner wall of the jack shell 1, the bottoms of the sawtooth-shaped screws 155 are inserted into the central groove of the top of the base plate 151, a plurality of groups of the aluminum alloy body 156 are fixedly connected with, the transmission device 3 comprises a first worm 351, a first push rod 352, a first ratchet 353, a second ratchet 354, a first aluminum alloy end cover 355, a second plane bearing 356, a first check ring 357, a second check ring 358, a third plane bearing 359 and a second aluminum alloy end cover 360, wherein the first worm 351 is embedded in the center of the inner wall of the convenient handle 2, the push rod 352 is movably connected between the first ratchet 353 and the second ratchet 354, the bottom of the second ratchet 354 is meshed and connected with the center of the push rod 352, the first aluminum alloy end cover 355 is sleeved with the right end of the first worm 351, the second plane bearing 356 is sleeved with the first worm 351 and located at the left end of the first aluminum alloy end cover 355, the first check ring 357 is sleeved with the first worm 351 and located at the left end of the second plane bearing 356, the second check ring 358 is sleeved with the first worm 351, the third.

Specifically, as shown in fig. 2, the outer surface of the sleeve 157 is provided with a slot, and the top of the sleeve 157 is circular.

Specifically, as shown in fig. 2, the first worm 351 is sleeved by the internal device of the convenient handle 2.

Specifically, as shown in fig. 1, the top fixing plate of the jack housing 1 is provided with two groups of slots for screw fixation, and the two groups of slots are symmetrical to each other from left to right and are four groups in total.

Specifically, as shown in fig. 2, eight groups of circular openings are arranged on the side edge of the second 360 aluminum alloy end cover, and the radius of the circular openings is 5 mm.

Specifically, as shown in fig. 1, the whole outer surface of the jack housing 1 is formed by an aluminum alloy die-casting process.

The working principle is as follows:

a novel aluminum alloy screw jack comprises a jack shell 1, a convenient handle 2 and a transmission device 3, when an operator uses the jack, firstly, a chassis 151 is fixed at a position to be supported, a top cover 158 is manually rotated to raise a part, meanwhile, a push-pull push rod 352 is manually pushed and pulled to drive a ratchet wheel II 354 and a worm screw I351 to simultaneously rotate, the worm screw I351 simultaneously rotates to drive a plane bearing II 356 and a check ring I357 to rotate, the check ring II 358 and a plane bearing III also simultaneously rotate, so that an alloy copper nut 154 drives a sawtooth-shaped screw 155 to vertically move upwards, the sawtooth-shaped screw 155 is raised upwards to drive the top cover 158 to jack a support, finally, the object is supported at a required height, the operator manually stops the force application of the push rod 352, the jack shell 1 adopts an aluminum alloy die casting process, the total weight of the original common casting jack is reduced, and the jack is convenient for the operator, the outer surface of the jack shell 1 is not painted, so that the jack is suitable for the current national environmental protection requirement, the design adopts worm and gear transmission, and the operating force is 35-40% of the original operating force.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel aluminum alloy screw jack, includes jack shell (1), convenient handle (2) and transmission (3), its characterized in that, half section fixed connection on jack shell (1) side both ends about convenient handle (2), jack shell (1) includes chassis (151), flat bearing (152), worm wheel (153), alloy copper nut (154), zigzag screw rod (155), aluminum alloy body (156), sleeve (157) and top cap (158), chassis (151) inner wall cup joints flat bearing (152) surface, in worm wheel (153) bottom inserts chassis (151), cup joint zigzag screw rod (155) surface lower section department, zigzag screw rod (155) embedding jack shell (1) inner wall central point, zigzag screw rod (155) bottom inserts chassis (151) top center fluting department, the aluminum alloy body (156) is fixedly connected with the side face of the jack shell (1) in a plurality of groups, the sleeve (157) is embedded into the inner wall of the jack shell (1), the sleeve (157) is sleeved with the alloy copper nut (154), the bottom of the top cover (158) is movably connected with the top of the jack shell (1), the transmission device (3) comprises a first worm (351), a push rod (352), a first ratchet wheel (353), a second ratchet wheel (354), a first aluminum alloy end cover (355), a second plane bearing (356), a first retainer ring (357), a second retainer ring (358), a third plane bearing (359) and a second aluminum alloy end cover (360), the first worm (351) is embedded into the center of the inner wall of the convenient handle (2), the push rod (352) is movably connected between the first ratchet wheel (353) in two groups, and the bottom of the second ratchet wheel (354) is engaged and connected with the center of the push rod, the first aluminum alloy end cover (355) is sleeved with the right end of the first worm (351), the second plane bearing (356) is sleeved with the first worm (351) and located at the left end of the first aluminum alloy end cover (355), the first check ring (357) is sleeved with the first worm (351) and located at the left end of the second plane bearing (356), the second check ring (358) is sleeved with the left end of the first worm (351), the third plane bearing (359) is sleeved with the first worm (351) and located at the left end of the second check ring (358), and the second aluminum alloy end cover (360) is fixedly connected with the left end of the convenient handle (2).

2. A new aluminium alloy screw jack according to claim 1, wherein the outer surface of the sleeve (157) is grooved and the top of the sleeve (157) is rounded.

3. A new aluminium alloy screw jack according to claim 1, characterized in that the first worm (351) is simultaneously sleeved by the inner part of the portable handle (2).

4. A novel aluminum alloy screw jack as claimed in claim 1, wherein the top fixing plate of the jack housing (1) is provided with two sets of slots for screw thread fixing, and the two sets of slots are symmetrical to each other in four sets.

5. The novel aluminum alloy screw jack of claim 1, wherein the side of the second (360) aluminum alloy end cover is provided with eight groups of circular openings with a circular radius of 5 mm.

6. The novel aluminum alloy screw jack as claimed in claim 1, wherein the whole outer surface of the jack housing (1) is formed by aluminum alloy die-casting process.