CN219967792U

CN219967792U - Spanner wrench

Info

Publication number: CN219967792U
Application number: CN202321405672.1U
Authority: CN
Inventors: 殷海柱
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2023-11-07
Anticipated expiration: 2033-06-05

Abstract

The utility model discloses a wrench, which comprises a shell and a handle fixedly connected with the shell into a whole, wherein a sleeve and a first gear fixed on the sleeve for driving the sleeve to rotate are arranged in the shell; the handle is rotatably provided with a transmission shaft, one end of the transmission shaft extends into the shell and is provided with a first bevel gear, and the first bevel gear is meshed with a second bevel gear. The utility model has simple structure and small volume, can rotate the bolt and the nut under the condition that the spanner does not swing left and right when meeting the condition that the space is narrow or an obstacle exists, overcomes the defect that the existing spanner is inconvenient to operate when the working space is narrow, and can greatly improve the working efficiency.

Description

Spanner wrench

Technical Field

The utility model relates to the technical field of tools, in particular to a wrench.

Background

The wrench is a common installation and disassembly tool, and usually, an opening for clamping a bolt or a nut is arranged at one end or two ends of a handle part of the wrench, and when the wrench is used, an external force is applied to the handle part along the rotation direction of threads, so that the bolt or the nut can be screwed. Since the wrench rotates together with the bolt or nut when the bolt or nut is screwed, a considerable distance space (without a barrier) is required on both sides of the handle, and in the case where the distance space is small or there is a barrier, it is laborious to twist the bolt or nut. The existing wrench has the defects of simple structure, higher requirement on operation space, poor adaptability and lower use efficiency in specific environments.

Disclosure of Invention

The utility model provides a wrench which is convenient to operate, good in universality and suitable for operation in a narrow space. The specific technical scheme is as follows:

the utility model provides a spanner, includes casing and with casing rigid coupling handle as an organic whole, its characterized in that: the shell is internally provided with a sleeve and a first gear fixed on the sleeve and used for driving the sleeve to rotate, the shell is internally provided with a first rotating shaft and a second rotating shaft, the first rotating shaft is fixedly provided with a second gear through a second bearing, the second gear is meshed with the first gear, the second rotating shaft is fixedly provided with a third gear through a third bearing, the third gear is meshed with the second gear, and the top of the third gear is fixedly provided with a second bevel gear; the handle is rotatably provided with a transmission shaft, one end of the transmission shaft extends into the shell and is provided with a first bevel gear, and the first bevel gear is meshed with a second bevel gear.

Further, a first chamber, a second chamber and a third chamber are arranged in the shell, and the three chambers are communicated; the sleeve is installed in the first cavity with the first gear, the first rotating shaft is installed in the second cavity with the second gear, the second rotating shaft is installed in the third cavity with the third gear, and the first gear, the second gear and the third gear are meshed in sequence.

Further, be provided with two axle sleeves on the sleeve, two axle sleeves are installed in telescopic both sides, be provided with on the first cavity with the first mounting hole of axle sleeve looks adaptation, make the sleeve can rotate in a flexible way under the effect of axle sleeve.

Further, an annular flange is provided on the sleeve, and the annular flange and the first mounting hole Xiang Tiege.

Further, a second mounting hole is formed in the second chamber and is matched with the first rotating shaft; and a third mounting hole is formed in the third chamber and is matched with the second rotating shaft.

Further, the shell comprises a shell and a gland, wherein the gland is fixed on the shell through screws, and the first gear, the second gear, the third gear, the second bearing and the third bearing are sealed inside the shell.

Further, one end of the transmission shaft far away from the first bevel gear extends to the outside of the handle and is connected with an electric wrench or other devices.

Further, the fixed cover in transmission shaft both ends is equipped with first bearing, is provided with in the handle with first bearing assorted draw-in groove, first bearing assembly is in the draw-in groove of handle.

The utility model has simple structure and small volume, can rotate the bolt and the nut under the condition that the spanner does not swing left and right when meeting the condition that the space is narrow or an obstacle exists, overcomes the defect that the existing spanner is inconvenient to operate when the working space is narrow, and can greatly improve the working efficiency.

Drawings

FIG. 1 is a perspective view of FIG. 1 of the present utility model;

FIG. 2 is a perspective view of FIG. 2 of the present utility model;

FIG. 3 is a top view of the present utility model;

FIG. 4 is a left side view of the present utility model;

FIG. 5 is a cross-sectional view of the A-A plane of FIG. 4;

FIG. 6 is a schematic view of the present utility model with the handle, housing and sleeve removed;

FIG. 7 is a schematic illustration of the sleeve and sleeve connection of the present utility model;

FIG. 8 is a schematic view of the sleeve and sleeve of the present utility model exploded;

fig. 9 is an exploded view of the housing of the present utility model.

Detailed Description

For a better understanding of the objects, functions and specific embodiments of the present utility model, reference should be made to the following detailed description of the wrench, taken in conjunction with the accompanying drawings.

As shown in fig. 1 to 6, the wrench of the present utility model comprises a housing 2 and a handle 1 fixedly connected with the housing 2, wherein a sleeve 4 matched with a bolt and a nut and a first gear 41 for driving the sleeve 4 to rotate are arranged in the housing 2, and the first gear 41 is fixed on the sleeve 4. The casing 2 is also internally provided with a first rotating shaft 5 and a second rotating shaft 6, the first rotating shaft 5 is fixedly provided with a second gear 51 through a second bearing 52, the second gear 51 is meshed with the first gear 41, the second rotating shaft 6 is fixedly provided with a third gear 61 through a third bearing 63, the third gear 61 is meshed with the second gear 51, and the top of the third gear 61 is fixedly provided with a second bevel gear 62. The handle 1 is rotatably provided with a transmission shaft 3, one end of the transmission shaft 3 extends into the shell 2 and is provided with a first bevel gear 31, the first bevel gear 31 is meshed with a second bevel gear 62, and the other end of the transmission shaft 3 extends out of the handle 1 and is connected with an electric wrench or other devices. The fixed cover in transmission shaft 3 both ends is equipped with first bearing 32, is provided with the draw-in groove with first bearing 32 assorted in the handle 1, and first bearing 32 assembles in the draw-in groove of handle 1.

As shown in fig. 5 and 9, a first chamber 23, a second chamber 24 and a third chamber 25 are provided in the housing 2, and the three chambers are communicated. The sleeve 4 is installed in the first chamber 23 together with the first gear 41, the first rotation shaft 5 is installed in the second chamber 24 together with the second gear 51, the second rotation shaft 6 is installed in the third chamber 25 together with the third gear 61, and the first gear 41, the second gear 51 and the third gear 61 are sequentially engaged.

As shown in fig. 1, 2, 3, 5, 7, 8 and 9, two shaft sleeves 42 are provided on the sleeve 4, the two shaft sleeves 42 are installed on two sides of the sleeve 4, and a first mounting hole 231 adapted to the shaft sleeve 42 is provided on the first chamber 23, so that the sleeve 4 can flexibly rotate under the action of the shaft sleeve 42. The sleeve 42 is provided with an annular blocking edge 421, and the annular blocking edge 421 is attached to the first mounting hole 231.

The second chamber 24 is provided with a second mounting hole 241, and the second mounting hole 241 is adapted to the first rotating shaft 5. The third chamber 25 is provided with a third mounting hole 251, and the third mounting hole 251 is adapted to the second rotating shaft 6.

As shown in fig. 2 and 9, the housing 2 includes a case 21 and a gland 22, and the gland 22 is screwed to the case 21 to enclose the first gear 41, the second gear 51, the third gear 61, the second bearing 52, and the third bearing 63 inside the housing 2.

When the electric wrench is used, the electric wrench is connected with the transmission shaft 3, then the hexagonal slot of the sleeve 4 is sleeved on the bolt or the nut, the transmission shaft 3 can be driven to rotate by pressing the switch of the electric wrench, the transmission shaft 3 drives the third gear 61 to rotate, the third gear 61 drives the second gear 51 to rotate, and the second gear 51 drives the first gear 41 to rotate, so that the sleeve 4 rotates to screw or loosen the bolt or the nut, a user only needs to match the sleeve 4 with the bolt or the nut, the handle 2 does not need to be rotated, and compared with a traditional wrench, the electric wrench can be operated in a narrower space.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a spanner, includes casing and with casing rigid coupling handle as an organic whole, its characterized in that: the shell is internally provided with a sleeve and a first gear fixed on the sleeve and used for driving the sleeve to rotate, the shell is internally provided with a first rotating shaft and a second rotating shaft, the first rotating shaft is fixedly provided with a second gear through a second bearing, the second gear is meshed with the first gear, the second rotating shaft is fixedly provided with a third gear through a third bearing, the third gear is meshed with the second gear, and the top of the third gear is fixedly provided with a second bevel gear; the handle is rotatably provided with a transmission shaft, one end of the transmission shaft extends into the shell and is provided with a first bevel gear, and the first bevel gear is meshed with a second bevel gear.

2. The wrench as claimed in claim 1, wherein: the shell is internally provided with a first chamber, a second chamber and a third chamber, and the three chambers are communicated; the sleeve is installed in the first cavity with the first gear, the first rotating shaft is installed in the second cavity with the second gear, the second rotating shaft is installed in the third cavity with the third gear, and the first gear, the second gear and the third gear are meshed in sequence.

3. The wrench as claimed in claim 2, wherein: the sleeve is provided with two shaft sleeves, the two shaft sleeves are arranged on two sides of the sleeve, and the first chamber is provided with a first mounting hole matched with the shaft sleeve, so that the sleeve can flexibly rotate under the action of the shaft sleeve.

4. A wrench as claimed in claim 3, wherein: the sleeve is provided with an annular flange which is aligned with the first mounting hole Xiang Tiege.

5. The wrench as claimed in claim 2, wherein: the second chamber is provided with a second mounting hole which is matched with the first rotating shaft; and a third mounting hole is formed in the third chamber and is matched with the second rotating shaft.

6. The wrench as claimed in claim 1, wherein: the shell comprises a shell and a gland, wherein the gland is fixed on the shell through screws, and the first gear, the second gear, the third gear, the second bearing and the third bearing are sealed inside the shell.

7. The wrench as claimed in claim 1, wherein: one end of the transmission shaft far away from the first bevel gear extends to the outside of the handle and is connected with an electric wrench or other devices.

8. The wrench as claimed in claim 7, wherein: the fixed cover in transmission shaft both ends is equipped with first bearing, is provided with in the handle with first bearing assorted draw-in groove, first bearing assembly is in the draw-in groove of handle.