CN215281724U

CN215281724U - Dual-purpose knob instrument suitable for narrow and small space

Info

Publication number: CN215281724U
Application number: CN202121802421.8U
Authority: CN
Inventors: 姜志斌; 王伟刚; 丛军辉; 于金汕; 王骞; 王孝宝
Original assignee: Weihaishiweili Top Grade Tool Co
Current assignee: Weihaishiweili Top Grade Tool Co
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2021-12-24
Anticipated expiration: 2031-08-04

Abstract

The utility model relates to a hand tool technical field especially relates to a dual-purpose knob instrument suitable for narrow and small space. Including pulling the body, keeping silent, gear train and pivot, pull the body and include head and stalk portion, it sets up on pulling the body to keep silent to rotate, it is provided with the elongated slot on keeping silent, it is provided with the teeth of a cogwheel to keep silent the periphery, keep silent with the gear train meshing, the gear train with the pivot is connected. When the wrench body rotates, a wrench or a sleeve is used for clamping one end of the hexagonal prism of the rotating shaft, the rotating shaft is rotated, and the rotating shaft drives the jaw to rotate through the gear set, so that the nut can be rotated. Simple structure, convenient operation, be applicable to narrow and small space.

Description

Dual-purpose knob instrument suitable for narrow and small space

Technical Field

The utility model relates to a hand tool technical field especially relates to a dual-purpose knob instrument suitable for narrow and small space.

Background

The common wrench needs to rotate left and right by a certain angle to load and unload a workpiece when the workpiece is twisted, the left and right sides need a certain space, when the workpiece is in a situation that no space exists left and right in a bathroom sink and the like, the common wrench cannot be used, and at the moment, a knob tool capable of rotating the workpiece in a narrow space is needed, for example, a pipe wrench suitable for a narrow space disclosed by Chinese patent CN201720256394.6 is needed, the pipe wrench comprises a wrench handle body, a movable wrench body and a jaw clamping device, wherein the handle wrench body is provided with a first rotatable handle jaw, the first rotatable handle jaw is coaxially and fixedly connected with a first gear, the first gear is meshed with an angle transmission gear set, the movable wrench body is provided with a second rotatable handle wrench, the second rotatable handle jaw is coaxially connected with a second gear, the jaw clamping device comprises a spring plate, a clamping limiting block, a clamping device switch and a pushing rod, the pipe wrench can be assembled and disassembled at a special position through a transmission mechanism, the application range is expanded, but the structure is complex and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing a dual-purpose knob tool which has simple structure and convenient operation and is suitable for narrow space.

The technical scheme of the utility model is that:

the utility model provides a dual-purpose turn-knob instrument suitable for narrow and small space, includes and pulls the body 1, keeps silent 3, gear train and pivot 10, pull the body 1 and include head and stalk portion, 3 rotations of keeping silent set up on pulling the

body

1, 3 last elongated slots that are provided with of keeping silent, 3 peripheries of keeping silent are provided with the teeth of a cogwheel, keep silent 3 with the gear train meshing, the gear train with pivot 10 is connected.

As a preferable technical scheme, a cavity is arranged at the head part of the wrench body 1, and the gear set is arranged in the cavity.

As a preferred technical solution, the gear set includes a first gear 4, a second gear 6 and a third gear 9, the jaw 3 is engaged with the first gear 4, the first gear 4 is engaged with the second gear 6, the second gear 6 is engaged with the third gear 9, and the third gear 9 is connected with the rotating shaft 10.

In a preferred embodiment, the first gear 4 is a flat gear, the third gear 9 is a bevel gear, the second gear 6 is divided into two parts, one part of the second gear 6 is a flat gear and is engaged with the first gear 4, and the other part of the second gear 6 is a bevel gear and is engaged with the third gear 9.

As a preferable technical solution, the first gear 4 is rotatably provided on the wrench body 1 by a first pin 5, and the second gear 6 is rotatably provided on the wrench body 1 by a second pin 7.

As a preferred technical scheme, an end cover 8 is arranged on the wrench body 1, the end cover 8 and the head of the wrench body 1 are in a symmetrical structure, and the end cover 8 is connected with the wrench body 1 through a rivet 2.

As a preferable technical proposal, a square hole is arranged at the position of the hollow cavity of the head part of the wrench body 1 close to the handle part.

As a preferred technical scheme, the rotating shaft 10 penetrates through the handle part along the direction parallel to the handle part of the wrench body 1.

As a preferable technical scheme, one end of the rotating shaft 10 far away from the head of the wrench body 1 is hexagonal prism-shaped.

The beneficial effects of the utility model are that simple structure, convenient operation, be applicable to narrow and small space.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a rear view of the present invention;

fig. 3 is a side view of the present invention;

FIG. 4 is a schematic view of the structure of the jaw of the present invention;

FIG. 5 is a schematic structural view of the wrench body of the present invention;

fig. 6 is a schematic structural view of the end cap of the present invention;

fig. 7 is a schematic structural view of a second gear of the present invention;

Fig. 8 is a schematic structural view of a third gear of the present invention;

wherein: 1. the wrench comprises a wrench body, 2, a rivet, 3, a jaw, 4, a first gear, 5, a first pin, 6, a second gear, 7, a second pin, 8, an end cover, 9, a third gear, 10 and a rotating shaft.

Detailed Description

In order to make the technical means, technical features, utility model purpose and technological effect of the utility model easily understand and understand, combine specific figure below, further explain the utility model.

The first embodiment is as follows:

as shown in fig. 1, is a schematic structural diagram of the present invention.

As shown in fig. 2 and 3, the front view and the side view of the present invention are shown.

As shown in fig. 5, it is a schematic structural view of the wrench body of the present invention. The wrench body 1 comprises a head part and a handle part, the head part of the wrench body is provided with a cavity, one end of the cavity, which is far away from the handle part, is provided with a groove, the middle of the jaw 3 is provided with a circle of boss, the size of the boss is matched with that of the groove, the boss is installed in the groove at the head part of the wrench body 1, the jaw 3 can freely rotate in the groove, and the middle of the jaw 3 is provided with an elongated slot for clamping a nut. Two first gears 4, a second gear 6 and a third gear 9 are arranged in the cavity of the head of the wrench body 1, the first gears 4 are rotatably arranged in the cavity of the head of the wrench body 1 through the first pins 5, and the second gears 6 are rotatably arranged in the cavity of the head of the wrench body 1 through the second pins 7. One end of the cavity at the head of the wrench body 1, which is close to the handle, is provided with a square hole, and the square hole is matched with the size of the third gear 9. The handle part of the wrench body 1 is provided with a through hole which longitudinally penetrates through the handle part, a rotating shaft 10 penetrates through the through hole, one end of the rotating shaft 10 is fixedly connected with the third gear 9, and the other end of the rotating shaft 10 is hexagonal prism-shaped and is matched with a wrench or a sleeve for use.

As shown in fig. 4, is a schematic structural view of the jaw of the present invention. The periphery of the jaw 3 is provided with gear teeth, the jaw 3 is engaged with the first gear 4, the first gear 4 is a flat gear, and the third gear 9 is a bevel gear, as shown in fig. 8, which is the structure diagram of the third gear of the present invention. The second gear 6 is divided into an upper part and a lower part, the upper part is a flat gear which is meshed with the first gear 4, the lower part is a bevel gear which is meshed with the third gear 9, as shown in fig. 7, the structure of the second gear is shown schematically.

As shown in fig. 6, the end cap 8 and the head of the wrench body 1 are symmetrical structures, which is a schematic structural diagram of the end cap of the present invention. The end cover 8 is connected with the head of the wrench body 1 through the rivet 2.

The working process is as follows: install jaw 3 in the recess of spanner 1 head earlier during the installation, install first gear 4 again, rotate two first gears 4 with first round pin 5 and set up on spanner 1, first gear 4 meshes with the teeth of a cogwheel of jaw 3 periphery, install second gear 6 again, install second gear 6 on spanner 1 with

second round pin

7, 6 upper portions of second gear and two first gear 4 meshes, put into spanner 1 head square holes with third gear 9 afterwards, pass behind the through-hole of spanner 1 handle with pivot 10 with third gear 9 fixed connection, pivot 10 drives third gear 9 and rotates. The third gear 9 is engaged with the bevel gear at the lower part of the second gear 6, and the end cover 8 is installed, and the wrench body 1 and the end cover 8 are fixed together by the rivet 2.

When the wrench body 1 is rotated left and right, the nut is inserted into the elongated slot of the opening on the jaw 3, the nut can be twisted by rotating the wrench body 1 left and right, when no space is available for the wrench body 1 to rotate, one hexagonal prism-shaped end of the rotating shaft 10 is clamped by a wrench or a sleeve and the like, the rotating shaft 10 is rotated, the third gear 9 at the other end of the rotating shaft 10 drives the second gear 6 to rotate, the second gear 6 drives the first gear 4 to rotate, and the first gear 4 drives the jaw 3 to rotate, so that the nut can be rotated.

In summary, the preferred embodiments of the present invention are only described, and the scope of the present invention is not limited thereto. All equivalent changes and modifications made according to the content of the claims of the present invention shall fall within the technical scope of the present invention.

Claims

1. The utility model provides a dual-purpose knob instrument suitable for narrow and small space which characterized in that: including spanner body (1), keep silent (3), gear train and pivot (10), spanner body (1) includes head and stalk portion, keep silent (3) and rotate to set up on spanner body (1), it is provided with the elongated slot on keeping silent (3), keep silent (3) periphery and be provided with the teeth of a cogwheel, keep silent (3) with the gear train meshing, the gear train with pivot (10) are connected.

2. The dual-purpose torque tool for use in confined spaces as claimed in claim 1, wherein: the head of the wrench body (1) is provided with a cavity, and the gear set is arranged in the cavity.

3. The dual-purpose torque tool for use in confined spaces as claimed in claim 1, wherein: the gear set comprises a first gear (4), a second gear (6) and a third gear (9), the jaw (3) is meshed with the first gear (4), the first gear (4) is meshed with the second gear (6), the second gear (6) is meshed with the third gear (9), and the third gear (9) is connected with the rotating shaft (10).

4. A dual-purpose torque tool for use in confined spaces as claimed in claim 3 wherein: the first gear (4) is a flat gear, the third gear (9) is a bevel gear, the second gear (6) is divided into two parts, one part of the second gear (6) is a flat gear and is meshed with the first gear (4), and the other part of the second gear (6) is a bevel gear and is meshed with the third gear (9).

5. The dual-purpose torque tool for use in confined spaces as claimed in claim 4, wherein: the first gear (4) is rotatably arranged on the wrench body (1) through a first pin (5), and the second gear (6) is rotatably arranged on the wrench body (1) through a second pin (7).

6. The dual-purpose torque tool for use in confined spaces as claimed in claim 2, wherein: an end cover (8) is arranged on the wrench body (1), the end cover (8) and the head of the wrench body (1) are of symmetrical structures, and the end cover (8) is connected with the wrench body (1) through a rivet (2).

7. The dual-purpose torque tool for use in confined spaces as claimed in claim 2, wherein: a square hole is arranged at the position of the cavity of the head part of the wrench body (1) close to the handle part.

8. The dual-purpose torque tool for use in confined spaces as claimed in claim 1, wherein: the rotating shaft (10) penetrates through the handle part along the direction parallel to the handle part of the wrench body (1).

9. The dual-purpose torque tool for small spaces according to claim 8, wherein: the end of the rotating shaft (10) far away from the head of the wrench body (1) is hexagonal prism-shaped.