CN209986871U

CN209986871U - Sleeve type gear wrench

Info

Publication number: CN209986871U
Application number: CN201920602624.9U
Authority: CN
Inventors: 苟建军; 范利锋; 韩浩宇; 张超; 李颖
Original assignee: Inner Mongolia University
Current assignee: Inner Mongolia University
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-01-24
Anticipated expiration: 2029-04-17

Abstract

A socket type gear wrench comprises an inner rod part, an outer sleeve part, a gear part and a force rod; the inner rod part comprises an inner rod upper part and an inner rod lower part; the outer sleeve part comprises an outer sleeve and an outer sleeve base; the gear part comprises a pinion, a gearwheel screw, a gear rack and a limiting piece, wherein the pinion is meshed with the gearwheel, the gearwheel screw is combined with the gearwheel through a bolt, the pinion, the gearwheel and the gearwheel screw are arranged in the gear rack, the limiting piece is arranged in a gap between the pinion, the gearwheel screw and the gear rack, and an inner hole of the limiting piece, an inner hole of the pinion and a small hole of the gear rack are coaxial; the gear part is embedded with the outer sleeve opening; the force rod is connected with the upper part of the inner rod, and the inner rod part, the pinion and the outer sleeve are coaxial. The sleeve type gear wrench is small in size, simple and convenient to operate, time-saving and labor-saving, and life safety of installation workers is guaranteed.

Description

Sleeve type gear wrench

Technical Field

The utility model relates to a spanner especially relates to a box gear spanner.

Background

The fastening spanner is the instrument that maintenance workman or air conditioner installer often used, when maintenance workman or air conditioner installer need be outside the building operation, need mostly half health to stretch out outside the window with ordinary spanner usually, and both hands take out screw and nut respectively with the hand with equipment fastening, this process is consuming time, power consumptive, and can produce very big harm to installer's life safety. And the ordinary wrench is easy to slip, which causes danger to the personnel working outside the building or at high altitude. Most of existing tools specially designed for air conditioner installation have great limitations, and are inconvenient to operate, large in size and few in use. Therefore, it is necessary to develop a wrench which is simple in operation, time-saving, labor-saving and suitable for dangerous positions such as high school, outside buildings and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a socket gear spanner to solve present fastening spanner and be difficult for fixed screw, nut when being used for out-of-building or high altitude construction, not good messenger's power, and the operation personnel have great dangerous shortcoming.

The utility model discloses the technical problem who solves can take following scheme to realize: a socket type gear wrench comprises an inner rod part, an outer sleeve part, a gear part and a force rod; the method is characterized in that: the inner rod part comprises an inner rod upper part and an inner rod lower part, and the inner rod upper part is connected with the inner rod lower part through threads; the upper part of the inner rod is provided with an internal thread, and the lower part of the inner rod is provided with an external thread; the outer sleeve part comprises an outer sleeve and an outer sleeve base; the outer sleeve is of a hollow structure, an opening is formed in the lower portion of the outer sleeve, and the outer sleeve base are combined and fixed through screws; a nut placing hole is formed in the outer sleeve base; the gear part comprises a pinion, a gearwheel screw, a gear rack and a limiting sheet, wherein the pinion is meshed with the gearwheel, and the gearwheel screw is combined with the gearwheel through a bolt; the small gear, the large gear and the large gear screw are arranged in the gear rack, and the limiting piece is arranged in a gap between the small gear, the large gear and the large gear screw and the gear rack; the inner hole of the limiting piece, the inner hole of the pinion and the small hole of the gear rack are coaxial; the gear part is embedded with the outer sleeve opening; the lower part of the inner rod is connected with the pinion through a key; the force rod is connected with the upper part of the inner rod, and the inner rod part, the pinion and the outer sleeve are coaxial.

Preferably, the outer sleeve and the outer sleeve base are combined and fixed by more than 1 screw.

Preferably, the following steps: the inner rod part and the force rod are both of hollow structures.

Preferably, the following steps: the inner rod upper portion, the inner rod lower portion and the outer sleeve are all cylindrical, and inner rod upper portion internal threads correspond to inner rod lower portion external threads.

The utility model has the advantages that: this use novel easy operation is convenient, does not receive the space restriction, can realize one-hand operation, and more ordinary spanner saves time, laborsaving uses this personal safety that uses special work such as guarantee maintenance workman and air conditioner installer that novel ability is fine.

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 view of a socket type gear wrench according to the present invention;

FIG. 2 is a schematic view of the socket type gear wrench of the present invention;

FIG. 3 is a schematic view showing the connection between the upper and lower parts of the inner rod and the pinion of the socket type gear wrench of the present invention;

fig. 4 is a schematic structural view of the gear portion of the socket type gear wrench of the present invention.

Main standard parts and labels:

inner rod part: 1; the upper part of the inner rod: 11; the lower part of the inner rod: 12; an outer sleeve portion: 2; outer sleeve: 21; outer sleeve base: 22; opening: 23; the nut placing hole: 24; gear portion: 3; pinion gear: 31; big gear wheel: 32, a first step of removing the first layer; bull gear screw: 33; carrier: 34; limiting pieces: 35: bond: 36; force rod: 4.

Detailed Description

In order to clearly show the objects, technical solutions and advantages of the present invention, the following detailed description of the embodiments of the present invention will be further described with reference to the accompanying drawings.

Examples

Fig. 1 shows a socket type gear wrench, which comprises an inner rod part 1, an outer sleeve part 2, a gear part 3 and a force rod 4; the inner rod part 1 comprises an inner rod upper part 11 and an inner rod lower part 12, the inner rod upper part 11 and the inner rod lower part 12 are connected through threads, the inner rod upper part 11 is provided with internal threads, and the inner rod lower part 12 is provided with external threads; the outer sleeve part 2 comprises an outer sleeve 21 and an outer sleeve base 22, the outer sleeve 21 is of a hollow structure, an opening 23 is formed in the lower portion of the outer sleeve 21, internal threads are formed above the opening 23 of the outer sleeve 21, the outer sleeve 21 and the outer sleeve base 22 are combined and fixed through screws, and a nut placing hole 24 is formed in the outer sleeve base 22; the gear part 3 comprises a pinion 31, a gearwheel 32, a gearwheel screw 33, a gear carrier 34 and a limiting piece 35, wherein the pinion 31 is meshed with the gearwheel 32, the gearwheel screw 33 is combined with the gearwheel 32 through a bolt 35, the pinion 31, the gearwheel 32 and the gearwheel screw 33 are arranged in the gear carrier 34, the limiting piece 35 is arranged at the gap between the pinion 31, the gearwheel 32, the gearwheel screw 33 and the gear carrier 34, and an inner hole of the limiting piece 35, an inner hole of the pinion 31 and a small hole of the gear carrier 34 are coaxial; the gear portion 3 is fitted into the outer sleeve opening 23; the inner rod lower part 12 is connected with the pinion 31 through a key 36; the force rod 4 is connected with the upper part 11 of the inner rod, and the inner rod part 1, the pinion 31 and the outer sleeve 21 are coaxial.

As shown in fig. 2, in the installation work of the socket type gear wrench, a bolt to be installed is placed at the large gear screw 33, and a nut is placed at the nut placing hole 24; the power rod 4 is rotated to drive the small gear 31 to rotate, the small gear 31 is meshed with the large gear 32 to rotate, and therefore the large gear screw 33 is driven to rotate, and fastening of the bolt and the nut is achieved.

As shown in fig. 3, the inner lever upper part 11 and the inner lever lower part 12 are coupled by a screw, and the remaining pinion 31 of the inner lever lower part 12 is keyed by a key 36.

As shown in FIG. 4, the pinion 31 and the bull gear 32 are engaged with each other, the bull gear screw 33 and the bull gear 32 are engaged with each other by bolts, the three parts are put into the gear rack 34 as a whole, and the spacing piece 35 is put into the gap, wherein the inner hole of the spacing piece 35, the inner hole of the pinion 31 and the small hole of the gear rack 34 are coaxial with each other

Preferably, the outer sleeve 21 and the outer sleeve base 22 are fixed by using more than 1 screw.

Preferably, the inner rod part 1 and the force rod 4 are both hollow structures.

Preferably, the inner rod upper part 11, the inner rod lower part 12 and the outer sleeve 21 are all cylindrical, and the inner rod upper part 11 is internally threaded and corresponds to the inner rod lower part 12 in external thread.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A socket type gear wrench comprises an inner rod part (1), an outer sleeve part (2), a gear part (3) and a force rod (4); the method is characterized in that: the inner rod part (1) comprises an inner rod upper part (11) and an inner rod lower part (12), and the inner rod upper part (11) is connected with the inner rod lower part (12) through threads; the upper part (11) of the inner rod is provided with internal threads, and the lower part (12) of the inner rod is provided with external threads; the outer sleeve part (2) comprises an outer sleeve (21) and an outer sleeve base (22); the outer sleeve (21) is of a hollow structure, an opening (23) is formed in the lower portion of the outer sleeve, and the outer sleeve (21) and the outer sleeve base (22) are combined and fixed through screws; a nut placing hole (24) is formed in the outer sleeve base (22); the gear part (3) comprises a pinion (31), a gearwheel (32), a gearwheel screw (33), a gear rack (34) and a limiting sheet (35), wherein the pinion (31) is meshed with the gearwheel (32), and the gearwheel screw (33) is combined with the gearwheel (32) through a bolt; the small gear (31), the large gear (32) and the large gear screw (33) are arranged in the gear rack (34), and the limiting piece (35) is arranged in the gap between the small gear (31), the large gear (32), the large gear screw (33) and the gear rack (34); the inner hole of the limiting piece (35), the inner hole of the pinion (31) and the small hole of the gear rack (34) are coaxial; the gear portion (3) is fitted to the outer sleeve opening (23); the lower part (12) of the inner rod is connected with a pinion (31) through a key (36); the force rod (4) is connected with the upper part (11) of the inner rod, and the inner rod part (1), the pinion (31) and the outer sleeve (21) are coaxial.

2. The socket gear wrench of claim 1, wherein: the outer sleeve (21) and the outer sleeve base (22) are combined and fixed by more than 1 screw.

3. The socket gear wrench of claim 1, wherein: the inner rod part (1) and the force rod (4) are both of hollow structures.

4. The socket gear wrench of claim 1, wherein: the inner rod upper part (11), the inner rod lower part (12) and the outer sleeve (21) are all in a cylindrical shape, and internal threads on the inner rod upper part (11) correspond to external threads on the inner rod lower part (12).