wrench structure

Abstract

This invention relates to a wrench structure, comprising: a main body having a first pivot, a first through hole, a first receiving groove, and a second receiving groove; a head having a second pivot, a second through hole, and a first tooth; a first control member having a first limiting portion facing the second receiving groove, the first limiting portion including a first top surface, a second top surface, and a third top surface; the first control member having a spring receiving groove and a pressing surface; a second spring; a second control member having a second limiting portion facing and abutting against the first limiting portion, the second limiting portion including a fourth top surface and a fifth top surface; a second tooth at the other end of the second control member; and a threaded member passing through the first through hole and the second through hole.

Claims

1. A wrench structure comprising: A main body, having a first pivot at one end, the first pivot having a first through hole, and a first receiving groove, the first receiving groove being a non-through circular groove; the main body also having a second receiving groove, the second receiving groove being located at the bottom of the groove of the first pivot, the second receiving groove being perpendicularly connected to the first receiving groove, the second receiving groove being a non-through circular groove; and a head, pivotally connected to the main body, the head having a second pivot at one end, the second pivot being pivotally connected to the first pivot, the second pivot having a second through hole, the second through hole being connected to the first pivot... The first perforation is aligned with the second perforation, which is a through hole. A first toothed portion is provided on the outer periphery of the second pivot, consisting of a plurality of teeth arranged in a ring. A first control member is housed within the first receiving groove and is movable a distance within the first receiving groove. The first control member has a first limiting portion facing the second receiving groove. The first limiting portion includes a first top surface, a second top surface, and a third top surface. From top to bottom, the first limiting portion consists of the third top surface, the first top surface, and the second top surface. The second top surface is located within the second receiving groove. At the lowest position of the first limiting part; the bottom of the first control member is provided with a cartridge groove, and the top surface of the first control member is provided with a pressing surface; a second projectile is received in the cartridge groove, and the second projectile abuts against the bottom of the cartridge groove and the bottom of the first cartridge groove; a second control member is received in the second cartridge groove, one side of the second control member abuts against the first control member, the other side of the second control member engages with the head, and one side of the second control member is provided with a second limiting part, which is directly opposite and abuts against the first limiting part. The second limiting part includes a fourth top surface and a fifth top surface; the second limiting part consists of the fourth top surface and the fifth top surface from top to bottom, the fourth top surface abuts against the first top surface, and the fifth top surface abuts against the second top surface; the other end of the second control member is provided with a second tooth, the second control member is limited by the first control member, the second tooth engages with the first tooth, pressing the first control member, the second control member is not limited by the first control member, and the second control member has displacement space; a threaded member is inserted into the first through hole and the second through hole.

2. The wrench structure as described in claim 1, wherein, The system is a wrench structure. The first pivot is U-shaped with an open slot. The first through hole is slightly T-shaped. A first threaded part is provided on the other side of the first pivot. The first threaded part is internally threaded. The first threaded part is aligned with the first through hole and is coaxial. The first threaded part and the first through hole pass through the first pivot laterally.

3. The wrench structure as described in claim 1, wherein, The inner diameter of the first cavity is a first diameter, and the inner diameter of the second cavity is a second diameter, the size of the second diameter being the same as that of the first diameter.

4. The wrench structure as described in claim 2, wherein, The second pivot is provided with a receiving groove that communicates with the second through hole. The receiving groove and the second through hole are coaxial, and the diameter of the receiving groove is larger than the diameter of the second through hole. A first elastic body is provided, which is housed in the receiving groove and rests between the body and the head, so that the body and the head have elastic resistance when they rotate relative to each other. A threaded member is inserted into the first through hole, the first elastic body, and the second through hole. The other end of the threaded member is provided with a second threaded portion, which is threaded with the first threaded portion, so that the head is pivotally mounted on the body. One end of the threaded member has a head with a larger diameter, so that the cross-section of the threaded member is slightly T-shaped. The threaded member is accommodated in the first through hole.

5. The wrench structure as described in claim 1, wherein, The first limiting part further includes: a first surface, a second surface and a limiting surface; the first limiting part is, from top to bottom, the limiting surface, the third top surface, the second surface, the first top surface, the first surface and the second top surface.

6. The wrench structure as described in claim 5, wherein, The first top surface is planar, the second top surface is planar and parallel to the first top surface, the first surface is located between the first top surface and the second top surface, the first surface is inclined relative to the first top surface, the second surface is located above the first top surface, the second surface is parallel to the first surface, the second surface is inclined, the third top surface is located above the second surface, the third top surface is planar and parallel to the first top surface, the third top surface, the first top surface and the second top surface are all parallel to each other and form three steps, the limiting surface is located at the uppermost position of the first limiting part, the limiting surface is perpendicular or not perpendicular to the third top surface, the limiting surface is planar or inclined.

7. The wrench structure as described in claim 1, wherein, The third top surface has the longest distance relative to the outer peripheral surface of the first control component, and the second top surface has the shortest distance relative to the outer peripheral surface of the first control component. The distances relative to the outer peripheral surface of the first control component, from largest to smallest, are the third top surface, the first top surface, and the second top surface.

8. The wrench structure as described in claim 1, wherein, The spring groove is a non-through circular groove, and the pressing surface protrudes slightly outside the first groove; the first control member is pushed against by the elastic force of the second spring body, causing the pressing surface to protrude slightly outside the first groove, and the second spring body is a spring body.

9. The wrench structure as described in claim 5, wherein, The second limiting part further includes a third surface, a fourth surface, a center line and a third receiving groove; the second limiting part is, from top to bottom, the fourth top surface, the third surface, the fifth top surface and the fourth surface.

10. The wrench structure as described in claim 9, wherein, The fourth top surface is planar, the fifth top surface is planar, the fifth top surface and the fourth top surface are parallel to each other, the fifth top surface and the fourth top surface are two stepped surfaces, the third surface is directly opposite the first inclined surface, the third surface is inclined relative to the fourth top surface, the fourth surface is located at the lowest position of the second limiting part, and the fourth surface is inclined relative to the fifth top surface.

11. The wrench structure as described in claim 9, wherein, The center line is provided on the fourth top surface. The second control member is symmetrical on the upper and lower sides with the center line as the center. That is, the third surface, the fifth top surface and the fourth surface are provided on both sides of the fourth top surface. The center line is perpendicular to the fourth top surface. The fourth top surface has the most convex surface relative to the second control member. The second limiting part is slightly conical.

12. The wrench structure as described in claim 9, wherein, The third receiving groove is provided with the center line as the axis. The third receiving groove is a non-through circular groove. A top cap is provided, which is received in the third receiving groove. The diameter of the top cap is compatible with the diameter of the third receiving groove and is coaxial. The head end of the top cap is rounded. A third spring is provided in the third receiving groove. The third spring abuts against the bottom of the third receiving groove and the top cap, so that the top cap is abutted against the first top surface or the third top surface by the elastic force of the third spring. The third spring is a spring body.

13. The wrench structure as described in claim 1, wherein, The first control component is a circular shape with a single outer diameter, and the second control component is a circular shape with a single outer diameter, the outer diameter of the second control component being the same as the outer diameter of the first control component.

14. The wrench structure as described in claim 12, wherein, The third receiving groove is located at the second tooth, and the top cap is pressed against the tooth valley of the first tooth by the elastic force of the third elastic body.

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