CN214818162U

CN214818162U - Split type speed reduction spanner

Info

Publication number: CN214818162U
Application number: CN202023154174.3U
Authority: CN
Inventors: 殷海柱
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-11-23
Anticipated expiration: 2030-12-24

Abstract

The utility model provides a split type speed reduction spanner, includes speed reduction structure and handle, be equipped with on the speed reduction structure can rather than the handle that the cooperation was used, handle and speed reduction structure detachable link together. Compared with the prior art, the utility model is additionally provided with the handle which can be switched between the hexagonal shape and the square opening, thereby increasing the simplicity of operating tools for operators; the speed reduction structure is shortened, compared with the product size of the known technology, the speed reduction structure is shortened by more than one time (about three fifths of the product size of the known technology is shortened), the portability and the accuracy of an operation tool are improved, and time and labor are saved; the shell bight at umbrella-type tooth butt joint position on the known art product is the right angle setting, and the utility model discloses a no angle design, the card pause phenomenon of the operation in narrow and small working space within range has been avoided in such design, has increased the convenience of operating in narrow and small space.

Description

Split type speed reduction spanner

Technical Field

The utility model relates to a spanner, in particular to split type speed reduction spanner belongs to the technical field in the aspect of mechanical tool.

Background

The disclosed technology is, and patent number CN211362039U discloses a special coordinated type right angle spanner of rotary cultivator, including first body, second body, sleeve, first body and second body mutually perpendicular and intercommunication each other, rotate through two bearings in the first body and be equipped with first bull stick, rotate through the bearing in the second body and be equipped with the second bull stick, first bevel gear is installed to the one end that first bull stick is close to the second bull stick, the second bevel gear is installed to the one end that the second bull stick is close to first bull stick, the square sleeve pipe in the one end that the second bull stick was kept away from to first bull stick is installed. The spanner of this scheme has product light in weight, small, with low costs, and convenient to use's characteristics can adopt pneumatic or electronic multiple connected mode, is applicable to narrow and small space simultaneously and uses, need not the manpower and unscrews the screw in advance, and electronic wind big gun of direct fit or pneumatic wind big gun use, operation process labour saving and time saving, improvement work efficiency that can be great.

Disclosure of Invention

To the not enough of above-mentioned technical problem existence, the utility model aims to provide a split type speed reduction spanner.

The utility model provides a split type speed reduction spanner, includes speed reduction structure and handle, be equipped with on the speed reduction structure can rather than the handle that the cooperation was used, handle and speed reduction structure detachable link together.

The handle is screwed with a nut of the speed reducing structure by a turnbuckle.

The handle consists of a sleeve head, a handle shaft, a bearing and a hand holding shell.

A handle shaft is arranged in the hand-held shell, a hexagonal corner or square opening sleeve is arranged at the front part of the handle shaft, and a square opening or hexagonal corner sleeve is arranged at the rear part of the handle shaft; in order to enable the handle shaft to freely rotate in the hand holding shell, bearings are arranged at two ends in the hand holding shell, and the handle shaft is arranged in the bearings; the handle shaft is also provided with a clamp spring for preventing the bearing from sliding out of the hand holding shell, and the clamp springs are arranged in grooves at two sides of the handle shaft; the inner walls of the two ends of the hand-held shell are provided with edge parts which can block the bearing from moving, so that the inner side of the bearing is tightly attached to the edge parts.

The hand-held shell is of a cylindrical structure, the outside of the hand-held shell is provided with concave-convex slow-shaped corrugations which are convenient to hold by hands, and one end of each concave-convex slow-shaped corrugation is provided with a turnbuckle connected with the speed reducing structure.

The speed reducing structure consists of a bearing, a shaft, umbrella-shaped teeth, a sleeve head, a rear shell, a front shell and a snap spring.

A shaft is arranged in the rear shell, a spiral umbrella-shaped tooth is arranged at the front end of the shaft, a hexagonal corner is arranged at the rear part of the shaft, and the umbrella-shaped tooth, the shaft and the hexagonal corner are of an integrated structure manufactured by machinery; the shaft is provided with a bearing, one side of the hexagonal corner of the shaft is provided with a clamp spring groove, and the bearing is locked on the shaft by a clamp spring so as to be fixed in the rear shell; a nut for mounting a turnbuckle is arranged in the rear shell; a shaft for mounting a bearing is arranged in the front shell, the shaft, the umbrella-shaped teeth and the sleeve head are of an integral structure, and the sleeve head is a square opening; the bearing is installed on the shaft, an isolating pad is arranged between the bearing and the umbrella-shaped teeth, the isolating pad prevents the bearing and the umbrella-shaped teeth from being scraped mutually, a clamp spring groove is arranged on the shaft, and the bearing E is clamped on the shaft through a clamp spring.

Three bearings are provided on the shaft of the rear housing and bonded together with engine oil, and function to surround the shaft with the whole of the bearings so that the shaft can freely rotate inside the three bearings.

The back casing and procapsid are integral type casting structure, and the connecting portion of back casing and procapsid adopts the design of no angle, has avoided the card of operation in narrow and small scope to pause.

The umbrella-shaped teeth in the rear shell and the umbrella-shaped teeth in the front shell are designed in a spiral umbrella-shaped tooth shape.

Compared with the prior art, the utility model is additionally provided with the handle which can be switched between the hexagonal shape and the square opening, thereby increasing the simplicity of operating tools for operators; the speed reduction structure is shortened, compared with the product size of the known technology, the speed reduction structure is shortened by more than one time (about three fifths of the product size of the known technology is shortened), the portability and the accuracy of an operation tool are improved, and time and labor are saved; the shell bight at umbrella-type tooth butt joint position on the known art product is the right angle setting, and the utility model discloses a no angle design, the card pause phenomenon of the operation in narrow and small working space within range has been avoided in such design, has increased the convenience of operating in narrow and small space.

Drawings

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

FIG. 2 is an external schematic view of the split structure of FIG. 1;

fig. 3 is an external schematic view of the overall structure of fig. 1.

In the figure: the handle comprises a sleeve head A1, a bearing A2, a handle shaft 3, a bearing B4, a bearing C5, a shaft B6, a bearing D7, umbrella-shaped teeth A8, umbrella-shaped teeth B9, a bearing E10, a sleeve head B11, a hand-held shell 12, a rear shell 13, a front shell 14 and a turnbuckle 15.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that, as used in the following description, the terms "front," "rear," "left," "right," "upper," "lower," "bottom" and "top" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component. In order to make the technical solutions and advantages of the present invention more clearly understood, the following detailed description is further provided with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 and 2, a split speed reduction wrench comprises a handle consisting of a sleeve head A1, a bearing a2, a handle shaft 3, a bearing B4, a hand-held shell 12 and a turnbuckle 15, and a speed reduction structure consisting of a bearing C5, a shaft 6, a bearing D7, umbrella-shaped teeth A8, umbrella-shaped teeth B9, a bearing E10, a sleeve head B11, a rear shell 13, a front shell 14 and a snap spring. The structure of handle is, holds shell 12 and is the tubular structure, and the outside of holding shell 12 is conveniently held with the hand, has the gentle shape ripple of unsmooth sense, is equipped with turnbuckle 15 at the gentle shape ripple one end of unsmooth sense, turnbuckle 15 and the nut of speed reduction structure twist and connect. A handle shaft 3 is arranged in the hand holding shell 12, a hexagonal sleeve or a square sleeve is arranged at the front part of the handle shaft 3, and a square sleeve or a hexagonal sleeve is arranged at the rear part of the handle shaft 3. In order to make the handle shaft 3 rotate freely in the hand holding shell 12, a bearing A2 and a bearing B4 are arranged at two ends inside the hand holding shell 12, and the handle shaft 3 is arranged inside the bearing A2 and the bearing B4. The handle shaft 3 is also provided with a clamp spring for preventing the bearing A2 and the bearing B4 from sliding out of the hand holding shell 12, and the clamp springs are arranged in grooves at two sides of the handle shaft 3. The inner walls of the two ends of the hand-held shell 12 are provided with edges which can block the movement of the bearing A2 and the bearing B4, so that the inner sides of the bearing A2 and the bearing B4 are tightly attached to the edges.

As shown in fig. 1 and 2, the speed reduction structure is composed of a bearing C5, a shaft 6, a bearing D7, a bevel gear A8, a bevel gear B9, a bearing E10, a sleeve head B11, a rear housing 13, a front housing 14 and a snap spring. The rear shell 13 and the front shell 14 are of an integral casting structure, and the corner of the connecting part of the rear shell 13 and the front shell 14 is designed to be free of corners, so that the phenomenon of blocking and pausing in the narrow range during operation is avoided, and the convenience in operation in a narrow space is improved. The umbrella-shaped teeth A8 and the umbrella-shaped teeth B9 adopt a spiral umbrella-shaped tooth design, so that the biting force of the umbrella-shaped teeth A8 and the umbrella-shaped teeth B9 is easier and more strict when the umbrella-shaped teeth A8 and the umbrella-shaped teeth B9 are meshed and rotated.

As shown in fig. 1 and 2, a shaft 6 is provided inside the rear housing 13, spiral bevel teeth A8 are provided at the tip of the shaft 6, and a hexagonal corner is provided at the rear of the shaft 6. The umbrella-shaped teeth A8, the shaft 6 and the hexagonal corner are of an integrated structure manufactured by machinery. The shaft 6 is provided with a bearing C5 and a bearing D7, preferably, the shaft 6 is provided with three bearings bonded together with engine oil so as to surround the shaft 6 with the whole bearings, the shaft 6 is freely rotated inside the three bearings, a snap spring groove is provided on the hexagonal corner side of the shaft 6, and the bearing is locked to the shaft 6 by the snap spring and fixed inside the rear housing 13. A female screw for mounting the screw 15 is provided in the rear case 13.

As shown in fig. 1 and 2, a shaft for mounting a bearing E10 is provided in the front housing 14, the shaft is integrated with the bevel teeth B9 and the sleeve head B11, and the sleeve head B11 is square. The bearing E10 is installed on the shaft, an isolation pad is arranged between the bearing E10 and the umbrella-shaped teeth B9, mutual rubbing is prevented, a clamp spring groove is formed in the shaft, and the bearing E10 is clamped on the shaft through a clamp spring.

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 split type speed reduction spanner which characterized in that: the electric bicycle comprises a speed reducing structure and a handle, wherein the speed reducing structure is provided with the handle which can be matched with the speed reducing structure for use, and the handle is detachably connected with the speed reducing structure.

2. The split reduction wrench of claim 1, wherein: the handle is screwed with a nut of the speed reducing structure by a turnbuckle.

3. The split reduction wrench of claim 2, wherein: the handle consists of a sleeve head, a handle shaft, a bearing and a hand holding shell.

4. The split reduction wrench of claim 3, wherein: a handle shaft is arranged in the hand-held shell, a hexagonal corner or square opening sleeve is arranged at the front part of the handle shaft, and a square opening or hexagonal corner sleeve is arranged at the rear part of the handle shaft; in order to enable the handle shaft to freely rotate in the hand holding shell, bearings are arranged at two ends in the hand holding shell, and the handle shaft is arranged in the bearings; the handle shaft is also provided with a clamp spring for preventing the bearing from sliding out of the hand holding shell, and the clamp springs are arranged in grooves at two sides of the handle shaft; the inner walls of the two ends of the hand-held shell are provided with edge parts which can block the bearing from moving, so that the inner side of the bearing is tightly attached to the edge parts.

5. The split reduction wrench as claimed in claim 3 or 4, wherein: the hand-held shell is of a cylindrical structure, the outside of the hand-held shell is provided with concave-convex slow-shaped corrugations which are convenient to hold by hands, and one end of each concave-convex slow-shaped corrugation is provided with a turnbuckle connected with the speed reducing structure.

6. The split reduction wrench of claim 1, wherein: the speed reducing structure consists of a bearing, a shaft, umbrella-shaped teeth, a sleeve head, a rear shell, a front shell and a snap spring.

7. The split reduction wrench of claim 6, wherein: a shaft is arranged in the rear shell, a spiral umbrella-shaped tooth is arranged at the front end of the shaft, a hexagonal corner is arranged at the rear part of the shaft, and the umbrella-shaped tooth, the shaft and the hexagonal corner are of an integrated structure manufactured by machinery; the shaft is provided with a bearing, one side of the hexagonal corner of the shaft is provided with a clamp spring groove, and the bearing is locked on the shaft by a clamp spring so as to be fixed in the rear shell; a nut for mounting a turnbuckle is arranged in the rear shell; a shaft for mounting a bearing is arranged in the front shell, the shaft, the umbrella-shaped teeth and the sleeve head are of an integral structure, and the sleeve head is a square opening; the bearing is installed on the shaft, an isolating pad is arranged between the bearing and the umbrella-shaped teeth, the isolating pad prevents the bearing and the umbrella-shaped teeth from being scraped mutually, a clamp spring groove is arranged on the shaft, and the bearing E is clamped on the shaft through a clamp spring.

8. The split reduction wrench of claim 7, wherein: three bearings are provided on the shaft of the rear housing and bonded together with engine oil, and function to surround the shaft with the whole of the bearings so that the shaft can freely rotate inside the three bearings.

9. A split reduction wrench as claimed in any one of claims 6 to 8, wherein: the back casing and procapsid are integral type casting structure, and the connecting portion of back casing and procapsid adopts the design of no angle, has avoided the card of operation in narrow and small scope to pause.

10. A split reduction wrench as claimed in any one of claims 6 to 8, wherein: the umbrella-shaped teeth in the rear shell and the umbrella-shaped teeth in the front shell are designed in a spiral umbrella-shaped tooth shape.