CN211688060U

CN211688060U - Portable small jack

Info

Publication number: CN211688060U
Application number: CN201922354353.2U
Authority: CN
Inventors: 林连明; 张小光
Original assignee: Zhejiang Yipeng Machinery Co Ltd
Current assignee: Zhejiang Yipeng Machinery Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-10-16
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a portable small jack, belonging to the technical field of jacks, comprising a large oil cylinder, wherein the inner side wall of the large oil cylinder is inserted with a large piston through a seal ring in a sliding way, the top of the large piston is fixedly connected with a bearing platform, the top end of the bearing platform is bonded with an antiskid layer, a mounting hole at the bottom of the base is internally provided with a self-locking universal wheel through a mounting frame in a detachable threaded way, when a thousand golden tops needs to be moved or transported, the self-locking universal wheel at the bottom of the base can drive the jack to move, a worker can push the jack to move, time and labor are saved, when the jack needs to be used, the self-locking universal wheel at the bottom of the jack is detached to normally use the jack, the antiskid layer bonded at the top of the bearing platform is made of rubber material and is soft and elastic, the salient points fixedly connected at the top, prevent to be supported the object landing and injure staff by a crashing object.

Description

Portable small jack

Technical Field

The utility model relates to a jack technical field especially relates to a portable small-size jack.

Background

The jack is light and small hoisting equipment 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 for the departments of factories, mines, transportation and the like as vehicle repair and other hoisting, supporting and the like, has a light and firm structure, is flexible and reliable, and can be carried and operated by one person.

The patent No. CN 209721449U discloses a mechanical small-sized jack, wherein a first groove is arranged on the upper surface of a top head, the inner wall of the first groove is provided with a first thread, a circular plate is also arranged, a threaded column is welded at the bottom of the circular plate, a second groove is arranged on the upper surface of the circular plate, the specification of the second groove is the same as that of the first groove, when the jack is used, the circular plate can be rotated to the first groove in the top head through the threaded column, the number of the circular plates is multiple, thus the circular plates can be overlapped and installed together, thereby the height of the lifted equipment can be increased during operation, the jack is beneficial to use and convenient to operate, by arranging a threaded sleeve in the cylinder and arranging a third thread on the outer side wall of a push rod, when the jack is used, the push rod can be connected with the threaded sleeve in a threaded manner, the tight connection can avoid the use influence caused by the falling of the push rod and the push rod is connected with a, this stopper is installed at telescopic inside wall, and telescopic right side then welds the knee, when the operator uses, can hold the handle on the knee, and the handle highly is greater than the push rod apart from the height on ground apart from the height on ground apart from the push rod, and the hand is highly more comfortable when using, and is more laborsaving, and push rod and sleeve can slide tensile or shrink, facilitate the use, do benefit to fold up and place.

The small jack disclosed in the above patent has the following disadvantages: 1. the small jack disclosed in the patent has certain weight, is inconvenient to carry and transport, and needs to be carried by manpower of workers during transportation, so that the workload of the workers is increased, and the workers are quite tired; 2. the weighing platform at the top of the small jack disclosed in the patent is made of rigid materials, and a supported object easily slides off the weighing platform to injure workers; to this end, we propose a portable small jack.

SUMMERY OF THE UTILITY MODEL

The utility model provides a portable small-size jack, can dismantle threaded connection through the mounting bracket in the mounting hole of base bottom has the auto-lock universal wheel, when needs remove or transport the thousand golden tops, the auto-lock universal wheel of base bottom can drive the jack and remove, the staff carries out the removal can, time saving and labor saving, when needing to use the jack, dismantle the auto-lock universal wheel of jack bottom and get off can the normal use jack, the skid resistant course that bearing platform top bonded is the rubber material, matter soft elasticity, skid resistant course top fixedly connected with bump can play anti-skidding effect, increase the bearing platform and by the friction between the support object, prevent to injure the staff by the landing of support object by a crashing object.

The utility model provides a specific technical scheme as follows:

the utility model provides a portable small jack, which comprises a large oil cylinder, wherein a large piston is inserted in the inner side wall of the large oil cylinder in a sliding way through a sealing ring, the top of the large piston is fixedly connected with a bearing platform, the top end of the bearing platform is bonded with an anti-skid layer, the top of the anti-skid layer is fixedly connected with salient points, the large oil cylinder is connected with the small oil cylinder through an oil pipeline and a one-way valve, the inner side wall of the small oil cylinder is inserted with a small piston in a sliding way through a sealing ring, the top of the small piston is connected with a handle, the outer side wall of the handle is bonded with a rubber protective sleeve, the surface of the rubber protective sleeve is fixedly connected with salient points, the large oil cylinder and the small oil cylinder are both fixedly connected to the top of the base, the bottom of the base is provided with a mounting hole, the inner side wall of the mounting hole is provided with an internal thread, the bottom of the base is connected with the mounting frame through the mounting hole, the internal thread and the external thread, and the mounting frame is internally provided with a self-locking universal wheel.

Optionally, the upper part of the inner side wall of the large oil cylinder is provided with a limiting hole.

Optionally, the big oil cylinder is connected with the oil return valve rod through an oil conveying pipe, and the oil return valve rod extends to the outer side wall of the big oil cylinder.

Optionally, the anti-slip layer and the sealing ring are made of rubber.

Optionally, the outer side walls of the large oil cylinder and the small oil cylinder are sprayed with electrostatic powder.

The utility model has the advantages as follows:

the embodiment of the utility model provides a portable small-size jack:

1. can dismantle threaded connection through the mounting bracket in the mounting hole of base bottom has the auto-lock universal wheel, when needs remove or transport the thousand gold tops, the auto-lock universal wheel of base bottom can drive the jack and remove, the staff carry out remove can, labour saving and time saving, when needing to use the jack, dismantle the auto-lock universal wheel of jack bottom and get off can the normal use jack, the small-size jack of publishing has certain weight in solving above-mentioned patent, inconvenient carrying and the problem of transportation.

2. Some skid resistant courses that the bearing platform top bonds are the rubber material, and matter is soft elastic, and skid resistant course top fixedly connected with bump can play the antiskid effect, increases the bearing platform and by the friction between the object of support, prevents to be injured the staff by the landing pounding of support object, when the small-size jack of publishing in the solution above-mentioned patent supports the object, is followed the problem of landing on the brace table easily by the support object.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of a portable small jack according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a base of a portable small jack according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an anti-slip layer of a portable small jack according to an embodiment of the present invention.

In the figure: 1. an anti-slip layer; 2. a bearing table; 3. a seal ring; 4. a large piston; 5. a large oil cylinder; 6. an oil return valve rod; 7. an oil delivery pipe; 8. a limiting hole; 9. a rubber protective sleeve; 10. a handle; 11. a small oil cylinder; 12. a small piston; 13. a one-way valve; 14. a base; 15. mounting holes; 16. a mounting frame; 17. a self-locking universal wheel; 18. an internal thread; 19. an external thread; 20. and (4) bumps.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

A portable small jack according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1, 2 and 3, an embodiment of the present invention provides a portable small jack, which includes a large oil cylinder 5, wherein a large piston 4 is inserted into an inner side wall of the large oil cylinder 5 through a seal ring 3 in a sliding manner, a bearing table 2 is fixedly connected to the top of the large piston 4, an anti-slip layer 1 is bonded to the top of the bearing table 2, a convex point 20 is fixedly connected to the top of the anti-slip layer 1, the large oil cylinder 5 is connected to a small oil cylinder 11 through an oil pipe 7 and a check valve 13, a small piston 12 is inserted into an inner side wall of the small oil cylinder 11 through the seal ring 3 in a sliding manner, the top of the small piston 12 is connected to a handle 10, a rubber protection sleeve 9 is bonded to an outer side wall of the handle 10, the rubber protection sleeve 9 is fixedly connected to the convex point 20, the large oil cylinder 5 and the small oil cylinder 11 are both fixedly connected, internal thread 18 has been seted up to the mounting hole 15 inside wall, base 14 bottom is passed through mounting hole 15, internal thread 18 and external screw thread 19 and is connected with mounting bracket 16, mounting bracket 16 internally mounted has auto-lock universal wheel 17.

The example, can dismantle threaded connection through mounting bracket 16 in the mounting hole 15 of base 14 bottom has auto-lock universal wheel 17, when needs remove or transport the thousand gold tops, the auto-lock universal wheel 17 of base 14 bottom can drive the jack and remove, the staff carries out the removal can, time saving and labor saving, when needing to use the jack, dismantle the auto-lock universal wheel 17 of jack bottom and get off and can normally use the jack, the skid resistant course 1 that 2 tops of bearing platform bond is the rubber material, soft and elastic matter, 1 top fixedly connected with bump 20 of skid resistant course can play the antiskid effect, increase bearing platform 2 and by the friction between the support object, prevent to injure the staff by the landing injure by the support object.

Referring to fig. 1, a limiting hole 8 is formed in the upper portion of the inner side wall of the large oil cylinder 5.

In the example, the upper part of the inner side wall of the large oil cylinder 5 is provided with a limiting hole 8, the limiting hole 8 can protect the jack, and when the large piston 4 is higher than the limiting hole 8, oil leaks out of the limiting hole 8, so that the large piston 4 cannot rise.

Referring to fig. 1, the large oil cylinder 5 is connected with a return valve rod 6 through an oil pipeline 7, and the return valve rod 6 extends to the outer side wall of the large oil cylinder 5.

By way of example, the large oil cylinder 5 is connected with the oil return valve rod 6 through an oil delivery pipe 7, and the oil return valve rod 6 extends to the outer side wall of the large oil cylinder 5, so that oil in the large oil cylinder 5 can be discharged conveniently.

Referring to fig. 1, the anti-slip layer 1 and the sealing ring 3 are made of rubber.

In the example, the anti-skid layer 1 and the sealing ring 3 are made of rubber, the rubber is soft and elastic, and the anti-skid sealing performance is strong.

Referring to fig. 1, the outer side walls of the large oil cylinder 5 and the small oil cylinder 11 are sprayed with electrostatic powder.

Illustratively, the electrostatic powder protects against corrosion and rust, increasing the service life of the large oil cylinder 5 and the small oil cylinder 11.

When the jack is used, the self-locking universal wheel 17 is detachably connected with the mounting hole 15 at the bottom of the base 14 through the mounting frame 16 in a threaded manner, when the jack needs to be moved or transported, the self-locking universal wheel 17 at the bottom of the base 14 can drive the jack to move, a worker can push the jack to move, time and labor are saved, when the jack needs to be used, the self-locking universal wheel 17 at the bottom of the jack is detached to normally use the jack, the jack is placed below an object to be supported, the worker holds the handle 10, the rubber protective sleeve 9 can protect the hand of the worker, the worker is not easy to be injured, the handle 10 is lifted up and down, oil enters the large oil cylinder 5 from the oil conveying pipe 7 and is limited by the one-way valve 13 from the outer oil cylinder through the small oil cylinder 11 to jack the large piston 4, the anti-slip layer 1 bonded to the top of the bearing table 2 is made of rubber material and has soft and elasticity, the salient points 20 fixedly connected, increase bearing platform 2 and supported the friction between the object, prevent to be supported the object landing and injure the staff by a crashing object, the time spent not controls the oil return valve rod and makes the oil in the big hydro-cylinder 5 flow back to outside hydro-cylinder, pack up the jack can.

The utility model relates to a portable small jack, which comprises a jack body 1 and an anti-skid layer; 2. a bearing table; 3. a seal ring; 4. a large piston; 5. a large oil cylinder; 6. an oil return valve rod; 7. an oil delivery pipe; 8. a limiting hole; 9. a rubber protective sleeve; 10. a handle; 11. a small oil cylinder; 12. a small piston; 13. a one-way valve; 14. a base; 15. mounting holes; 16. a mounting frame; 17. a self-locking universal wheel; 18. an internal thread; 19. an external thread; 20. the bumps, features are all standard or known to those skilled in the art, and their structure and principle are known to those skilled in the art through technical manuals or through routine experimentation.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a portable small jack, includes big hydro-cylinder (5), its characterized in that, big piston (4) have through sealing washer (3) slip grafting to big hydro-cylinder (5) inside wall, big piston (4) top fixedly connected with bearing platform (2), bearing platform (2) top bonds has skid resistant course (1), skid resistant course (1) top fixedly connected with bump (20), big hydro-cylinder (5) are connected with little hydro-cylinder (11) through defeated oil pipe (7) and check valve (13), little hydro-cylinder (11) inside wall has little piston (12) through sealing washer (3) slip grafting, little piston (12) top is connected with handle (10), handle (10) lateral wall bonds has rubber lag (9), rubber lag (9) fixed surface is connected with bump (20), big hydro-cylinder (5) and little hydro-cylinder (11) equal fixed connection are at base (14) top, mounting hole (15) have been seted up to base (14) bottom, internal thread (18) have been seted up to mounting hole (15) inside wall, base (14) bottom is passed through mounting hole (15), internal thread (18) and external screw thread (19) and is connected with mounting bracket (16), mounting bracket (16) internally mounted has auto-lock universal wheel (17).

2. The portable small jack as claimed in claim 1, wherein the upper portion of the inner side wall of the large oil cylinder (5) is provided with a limiting hole (8).

3. The portable small-sized jack according to claim 1, characterized in that the large oil cylinder (5) is connected with the oil return valve rod (6) through an oil pipeline (7), and the oil return valve rod (6) extends to the outer side wall of the large oil cylinder (5).

4. The portable small jack as claimed in claim 1, wherein the anti-slip layer (1) and the sealing ring (3) are made of rubber.

5. The portable small jack as claimed in claim 1, wherein the outer side walls of the large oil cylinder (5) and the small oil cylinder (11) are coated with electrostatic powder.