CN112077782A

CN112077782A - Socket wrench for hardware tool

Info

Publication number: CN112077782A
Application number: CN202010898267.2A
Authority: CN
Inventors: 张颜铄; 张义
Original assignee: Harbin Gongcheng Technology Co ltd
Current assignee: Shaodong Meiyu Hardware Tools Co., Ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2020-12-15
Anticipated expiration: 2040-08-31
Also published as: CN112077782B

Abstract

A socket wrench for hardware tools relates to a wrench. The inner wall of the hexagonal sleeve is provided with six radial sliding grooves, the clamping jaws are in sliding connection with the corresponding radial sliding grooves, guide slopes are arranged at the upper ends of the clamping jaws, the hexagonal sleeve is provided with six radial through holes, end caps are fixed at the outer ends of the hexagonal sleeve, the tension springs are fixed with the corresponding clamping jaws and the end caps, the guide hexagonal rings are in sliding connection with the inner wall of the hexagonal sleeve, guide grooves are formed in the lower ends of the guide hexagonal rings, the six clamping jaws gather towards the middle when moving downwards, a cover plate is arranged at the lower end of the sleeve and fixed with the top end of the hexagonal sleeve, a handle is fixed at the top end of the sleeve, the inner rod is inserted into the sleeve, the lower end of the inner rod is fixedly connected with the guide hexagonal rings, a locking bolt is screwed at the upper end of the sleeve to support and position the upper end of. Six clamping jaws clamp nuts of different specifications, and rotation of the nuts is facilitated.

Description

Socket wrench for hardware tool

Technical Field

The invention relates to a wrench, in particular to a socket wrench for hardware tools, and belongs to the technical field of hardware tools.

Background

The socket wrench is a hardware tool commonly used in the mechanical dismounting process and is divided into a manual socket wrench and an electric socket wrench, the manual socket wrench generally comprises a connecting rod with a handle and replaceable hexagonal sockets with various specifications, on one hand, when nuts with different specifications are used, the corresponding hexagonal sockets need to be replaced, which is troublesome, and on the other hand, even if the nuts are unscrewed, the nuts still need to be repeatedly rotated manually to dismount, which wastes time and labor; the electric socket wrench is driven by a motor, and the socket can be rotated under the control of a switch, but the cost is higher, and the hexagon sockets with different specifications are required to be replaced. In addition, the nut, whether a manual or powered socket wrench, is also prone to falling off during removal after removal.

Therefore, it is necessary to design a simple and practical manual socket wrench, which can be adapted to nuts of various specifications, does not require frequent replacement of the socket, and can be detached without repeated manual rotation, thereby achieving the purpose of time and labor saving.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides the socket wrench for the hardware tool, nuts of different specifications can be clamped through six clamping jaws, the adaptability is strong, the arrangement of the ball screw facilitates the rotation of the nuts, and the time and the labor are saved.

In order to achieve the purpose, the invention adopts the following technical scheme: a socket wrench for hardware tools comprises a hexagonal socket, a guide hexagonal ring, a sleeve, an inner rod, a locking bolt, an n-shaped support, a ball screw, a pull ring, six clamping jaws and six tension springs, wherein six radial chutes are integrally formed at equal angles on the inner wall of the hexagonal socket, slides are respectively arranged on two sides of the middle positions of the six clamping jaws and are in sliding connection with the corresponding radial chutes, the lower end of each clamping jaw extends out of the bottom of the hexagonal socket, a guide slope is arranged at the upper end of each clamping jaw, six radial through holes are formed at equal angles on the bottom of the side wall of the hexagonal socket, plugs are fixedly arranged at the outer ends of the radial through holes, the six tension springs are arranged in the six radial through holes in a one-to-one correspondence manner, the inner end and the outer end of each tension spring are respectively and fixedly connected with the corresponding clamping jaws and the plugs, six vertical limiting grooves are arranged at equal angles on the top of the inner wall of the hexagonal sleeve, a guide hexagonal ring is in sliding connection with the six vertical limiting grooves through the six sliding blocks, a guide groove is arranged at the lower end of the guide hexagonal ring and is matched with guide slopes of the six clamping jaws, the six clamping jaws can be gathered towards the middle through the guide groove when the guide hexagonal ring moves downwards, a cover plate is integrally arranged at the lower end of the sleeve and is fixedly connected with the top end of the hexagonal sleeve, a handle is fixed at the position, close to the top end, of the outer wall of the sleeve, the inner rod is inserted into the sleeve, the lower end of the inner rod is fixedly connected with the upper end of the guide hexagonal ring through a support, an internal thread is arranged at the upper end of the sleeve and is screwed with a locking bolt, the upper end of the inner rod is supported and positioned through the locking bolt, the lower end, the screw shaft and the sleeve are coaxially arranged, the lower end of the screw shaft is fixedly connected with the upper end of the n-shaped support, the ball thread sleeve is transversely fixed with a handle, and the pull ring is rotatably connected with the upper end of the screw shaft through a bearing.

Compared with the prior art, the invention has the beneficial effects that: the hexagonal sleeve is internally provided with six clamping jaws, the six clamping jaws are matched with a tension spring and a guide hexagonal ring, an inner rod inserted in the hexagonal sleeve is supported and positioned by a locking bolt screwed at the upper end of the hexagonal sleeve, the six clamping jaws can be controlled to be gathered towards the middle to clamp and fix nuts of different specifications, the hexagonal sleeve can adapt to nuts of various specifications, frequent replacement of the hexagonal sleeve is not needed, the hexagonal sleeve is high in adaptability, a ball screw is additionally arranged, a screw shaft is coaxially fixed above the hexagonal sleeve, the upper end of the screw shaft is rotatably connected with a pull ring, the ball screw sleeve is transversely fixed with a handle, the nut is unscrewed without repeated manual rotation, the pull ring can be pulled to control the screw shaft to rotate while moving vertically, the nut is conveniently dismounted, time and labor are saved, the overall structure is simple and reasonable, and the.

Drawings

FIG. 1 is an isometric view of the overall construction of a socket wrench for hardware tools of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an isometric view of the present invention in a disassembled configuration of a socket wrench for hardware tools;

FIG. 4 is an enlarged view of portion B of FIG. 3;

FIG. 5 is an isometric view of the assembled structure of the jaws and hexagonal sleeve of the present invention;

fig. 6 is an isometric view of the guide hex ring and hex sleeve assembly of the present invention.

Detailed Description

The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

The first embodiment is as follows: as shown in figures 1-6, the invention discloses a socket wrench for hardware tools, which comprises a hexagonal socket 1, a guiding hexagonal ring 5, a sleeve 6, an inner rod 7, a locking bolt 8, an n-shaped bracket 9, a ball screw, a pull ring 13, six clamping jaws 2 and six tension springs 4, wherein six radial sliding grooves 1-1 are integrally formed in the inner wall of the hexagonal socket 1 at equal angles, two sides of the middle positions of the six clamping jaws 2 are respectively provided with a sliding way 2-1 and are in sliding connection with the corresponding radial sliding grooves 1-1, the lower end of each clamping jaw 2 extends out of the bottom of the hexagonal socket 1, the upper end of each clamping jaw 2 is provided with a guiding slope 2-2, the bottom of the side wall of the hexagonal socket 1 is provided with six radial through holes 1-3 at equal angles, the outer ends of the radial through holes 1-3 are sealed and fixed with plugs 3, the six tension springs 4, the inner end and the outer end of each tension spring 4 are fixedly connected with a corresponding clamping jaw 2 and the plug 3 respectively, the guide hexagonal ring 5 is coaxially arranged in the hexagonal sleeve 1, the outer wall of the guide hexagonal ring 5 is integrally provided with six sliding blocks 5-1 at equal angles, the top of the inner wall of the hexagonal sleeve 1 is provided with six vertical limiting grooves 1-4 at equal angles, the guide hexagonal ring 5 is in sliding connection with the six vertical limiting grooves 1-4 through the six sliding blocks 5-1, the lower end of the guide hexagonal ring 5 is provided with a guide groove 5-2, the guide groove 5-2 is matched with the guide slopes 2-2 of the six clamping jaws 2, the six clamping jaws 2 can be gathered towards the middle through the guide groove 5-2 when the guide hexagonal ring 5 moves downwards, the lower end of the sleeve 6 is integrally provided with a cover plate 6-1 and fixedly connected with the top end of the hexagonal sleeve 1, a handle 6-4 is fixed on the outer wall of the sleeve 6 near the top end, the inner rod 7 is inserted into the sleeve 6, the lower end of the inner rod is fixedly connected with the upper end of the guide hexagonal ring 5 through a support, the upper end of the sleeve 6 is provided with internal threads and is screwed with a locking bolt 8, the upper end of the inner rod 7 is supported and positioned through the locking bolt 8, the lower end of the n-shaped support 9 is fixed on two sides of the upper end of the sleeve 6, the ball screw comprises a screw shaft 10 and a ball screw sleeve 11 which are in screwed fit, the screw shaft 10 and the sleeve 6 are coaxially arranged, the lower end of the screw shaft 10 is fixedly connected with the upper end of the n-shaped support 9, the ball screw sleeve 11 is transversely fixed with a handle 11-1, and the pull ring 13 is rotatably.

The second embodiment is as follows: as shown in fig. 4 and 5, the present embodiment is further described with respect to the first embodiment, and the inner side surfaces of the lower ends of the six clamping jaws 2 are provided with anti-slip threads 2-3.

The third concrete implementation mode: as shown in fig. 5 and 6, in this embodiment, a first embodiment is further described, and anti-drop chucks 1-2 are oppositely arranged on two sides of a notch position of each radial sliding groove 1-1.

The fourth concrete implementation mode: as shown in fig. 3, the first embodiment is further described in the present embodiment, and the cover plate 6-1 is provided with a jaw viewing port 6-2.

The fifth concrete implementation mode: as shown in fig. 3, the present embodiment is further described with respect to the first embodiment, and the upper end of the sidewall of the sleeve 6 is provided with a bolt viewing port 6-3.

The sixth specific implementation mode: as shown in fig. 3 and 6, in this embodiment, a first specific embodiment is further described, the six radial through holes 1 to 3 are threaded holes, and the plugs 3 are connected with the outer ends of the radial through holes 1 to 3 by threads to plug and fix.

Referring to fig. 1 and 3, when the invention is used, a hexagonal sleeve 1 is inserted and sleeved on a nut 14 (which can also be a bolt end cap) to be screwed or unscrewed, a locking bolt 8 is screwed to push an inner rod 7 downwards, meanwhile, six clamping jaws 2 are ensured to be in one-to-one correspondence with six side faces of the nut 14 through observation of a clamping jaw observation opening 6-2, whether the locking bolt 8 is in good contact with the upper end of the inner rod 7 or not is observed through observation of a bolt observation opening 6-3, as shown in fig. 5 and 6, the six clamping jaws 2 are slidably installed in radial sliding grooves 1-1 corresponding to the inner wall of the hexagonal sleeve 1, two sides of the notch position of each radial sliding groove 1-1 are oppositely provided with anti-falling clamping heads 1-2 to avoid the clamping jaws 2 from slipping, as shown in fig. 4, a tension spring 4 is fixed between the clamping jaws 2 and a plug 3 installed at the corresponding position of the hexagonal sleeve 1, the plug 3 is in threaded connection with the hexagonal sleeve 1, so that the plug 3 can be conveniently detached to replace the tension spring 4 after the tension spring 4 is damaged, the inner rod 7 drives the guide hexagonal ring 5 to move downwards in the downward moving process, the lower end of the guide hexagonal ring 5 is provided with a guide bevel 5-2 which is matched with the guide slopes 2-2 at the upper ends of the six clamping jaws 2, when the guide hexagonal ring 5 moves downwards, the six clamping jaws 2 can be gathered towards the middle through the guide bevel 5-2, the nut 14 is clamped by the six clamping jaws 2 in combination with the drawing shown in the drawing 2 until the six clamping jaws 2 clamp the nut 14, the inner side surface of the lower end of the clamping jaw 2 is also provided with anti-slip threads 2-3, referring to the drawing 1 again, when the six clamping jaws 2 clamp the nut 14, if the nut 14 is unscrewed, the ball screw sleeve 11 is positioned at the top of the screw shaft 10 in advance, then, one hand is used for holding the handle 11-1, the other hand is used for lifting the pull ring 13, the pull ring 13 is rotatably connected with the upper end of the screw shaft 10 through the bearing 12, the screw shaft 10 is rotated while being displaced upwards in the process of lifting the pull ring 13 upwards until the nut 14 is dismounted, if the nut 14 is tightened, the ball screw sleeve 11 is positioned at the bottom position of the screw shaft 10 in advance, then, one hand is used for holding the handle 11-1, one hand is used for pressing the pull ring 13 downwards, the screw shaft 10 is rotated while being displaced downwards until the nut 14 is preliminarily tightened, and then, the hexagonal sleeve 1 is rotated through the handle 6-4 to finally tighten the nut 14.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a box spanner for hardware and tools which characterized in that: the device comprises a hexagonal sleeve (1), a guide hexagonal ring (5), a sleeve (6), an inner rod (7), a locking bolt (8), an n-shaped support (9), a ball screw, a pull ring (13), six clamping jaws (2) and six tension springs (4), wherein six radial sliding grooves (1-1) are integrally formed in the hexagonal sleeve (1) at equal angles on the inner wall, two sides of the middle positions of the six clamping jaws (2) are respectively provided with a slide way (2-1) and are in sliding connection with the corresponding radial sliding grooves (1-1), the lower end of each clamping jaw (2) extends out of the bottom of the hexagonal sleeve (1), a guide slope (2-2) is arranged at the upper end of each clamping jaw (2), six radial through holes (1-3) are arranged at equal angles on the bottom of the side wall of the hexagonal sleeve (1), and a plug (3) is fixed at the, the six tension springs (4) are arranged in six radial through holes (1-3) in a one-to-one correspondence manner, the inner end and the outer end of each tension spring (4) are fixedly connected with the corresponding clamping jaw (2) and the plug (3) respectively, the guide hexagonal ring (5) is coaxially arranged in the hexagonal sleeve (1), six sliding blocks (5-1) are integrally arranged on the outer wall of the guide hexagonal ring (5) at equal angles, six vertical limiting grooves (1-4) are arranged at the top of the inner wall of the hexagonal sleeve (1) at equal angles, the guide hexagonal ring (5) is in sliding connection with the six vertical limiting grooves (1-4) through the six sliding blocks (5-1), a guide groove (5-2) is arranged at the lower end of the guide hexagonal ring (5), and the guide groove (5-2) is matched with guide slopes (2-2) of the six clamping jaws (2), when the guide hexagonal ring (5) moves downwards, six clamping jaws (2) can be gathered to the middle through the guide groove (5-2), the lower end of the sleeve (6) is integrally provided with a cover plate (6-1) and fixedly connected with the top end of the hexagonal sleeve (1), a handle (6-4) is fixed at the top end close to the outer wall of the sleeve (6), the inner rod (7) is inserted in the sleeve (6) and the lower end of the inner rod is fixedly connected with the upper end of the guide hexagonal ring (5) through a support, the upper end of the sleeve (6) is provided with an internal thread and is screwed with a locking bolt (8), the upper end of the inner rod (7) is supported and positioned through the locking bolt (8), the lower end of the n-shaped support (9) is fixed on two sides of the upper end of the sleeve (6), the ball screw comprises a screw shaft (10) and a ball thread sleeve (11) which are in threaded fit, and the, the lower end of the screw shaft (10) is fixedly connected with the upper end of the n-shaped support (9), the ball screw sleeve (11) is transversely fixed with a handle (11-1), and the pull ring (13) is rotatably connected with the upper end of the screw shaft (10) through a bearing (12).

2. The socket wrench for hardware tools according to claim 1, wherein: the inner side surfaces of the lower ends of the six clamping jaws (2) are provided with anti-skid lines (2-3).

3. The socket wrench for hardware tools according to claim 1, wherein: two sides of the notch position of each radial sliding groove (1-1) are oppositely provided with anti-falling chucks (1-2).

4. The socket wrench for hardware tools according to claim 1, wherein: the cover plate (6-1) is provided with a clamping jaw observation port (6-2).

5. The socket wrench for hardware tools according to claim 1, wherein: and the upper end of the side wall of the sleeve (6) is provided with a bolt observation port (6-3).

6. The socket wrench for hardware tools according to claim 1, wherein: the six radial through holes (1-3) adopt threaded holes, and the plugs (3) are connected with the outer ends of the radial through holes (1-3) through threads to be plugged and fixed.