CN211193660U - A kind of spanner - Google Patents

Abstract

The utility model belongs to the instrument field of fastening, connection, dismantlement or centre gripping specifically is a spanner. The purpose is to solve the problem that the existing wrench in the market can not be adjusted quickly, and the high-efficiency and quick adjusting wrench is provided. The traditional manual adjustment of a worm gear is changed into a rack-shaped and lever switch, so that the adjustment is in place in one step and is positioned in one step without rotation. Including regular jaw and movable vice jaw, its characterized in that regular jaw and handle tip fixed connection, the handle is inside to have the flexible groove of the little irregular shape in perpendicular to handle and the middle big both sides, and the handle top is equipped with the switch slot in the inside flexible groove of vertical intercommunication, the left and right sides in switch slot is provided with first shaft hole. The telescopic jaw is fixedly connected with the movable jaw, the telescopic rod is matched with the telescopic groove in size and shape, and first fixed teeth are arranged on one side, corresponding to the switch groove, above the telescopic rod.

Description

A kind of spanner

Technical Field

The utility model belongs to the instrument field of fastening, connection, dismantlement or centre gripping specifically is a but quick adjustment's spanner.

Background

The tool wrench widely used in the machinery manufacturing industry and the maintenance industry is not the choice of the modern machinery manufacturing industry for a long time because of convenient use and labor saving. However, the conventional adjustable wrench is limited by the structure of the adjustable wrench, and the adjustable wrench can only manually adjust the opening distance by using a worm gear, so that the operation speed is low, the efficiency is low, and the requirements of modern industry on fast pace cannot be met.

Although so-called quick adjustment wrenches are available in the market at present, various accessories, springs and the like are arranged, the operation process is troublesome, the parts are various, and the purpose of quick adjustment is not really achieved.

Disclosure of Invention

The utility model aims at solving the problem that the wrench can not be adjusted quickly in the market, and providing a high-efficient quick adjusting wrench. The traditional manual adjustment of a worm gear is changed into a rack-shaped and lever switch, so that the adjustment is in place in one step and is positioned in one step without rotation.

In order to solve the technical problem, the utility model discloses a regular jaw and adjustable jaw, its characterized in that regular jaw and handle tip fixed connection, the handle is inside to have the little flexible groove in perpendicular to handle and middle big both sides, and the handle top is equipped with the switch slot in the inside flexible groove of vertical intercommunication, the left and right sides in switch slot is provided with first shaft hole.

As a preferred embodiment of the utility model relates to a spanner still includes the telescopic link with activity jaw fixed connection, the telescopic link is identical with the size and the shape in flexible groove, and the telescopic link top is equipped with first fixed tooth with one side that the switch slot corresponds.

As a preferred embodiment of the wrench of the present invention, the switch slot includes a lever switch therein.

As an optimal implementation scheme of the utility model relates to a wrench, lever switch's one end is for pressing the end, and the other end is the stiff end, and the middle part is equipped with the second shaft hole, the second shaft hole is in same central line with primary shaft hole department.

As an optimized implementation scheme of the utility model relates to a wrench, first shaft hole passes through the lever axle with the second shaft hole and links to each other.

As a preferred embodiment of the present invention, the lever switch is provided with a second fixing tooth engaged with the first fixing tooth at the bottom of the fixed end.

As a preferred embodiment of the wrench of the present invention, the engaging surface of the first fixed teeth and the second fixed teeth is less than or equal to 90 degrees from the horizontal plane.

As an preferable embodiment of the wrench of the present invention, the switch slot is provided with an elastic member at a position corresponding to the bottom of the fixed end of the lever switch.

As a preferred embodiment of the wrench of the present invention, the pressing end and the elastic member are disposed between the platforms.

As an embodiment of the present invention, the pressing end of the lever switch is provided with a first protrusion, and the elastic member is provided with a second protrusion above the platform.

As a preferred embodiment of the wrench of the present invention, the elastic means is fixedly connected to the first protrusion and the second protrusion.

Advantageous effects

The utility model discloses the technique has following innovation advantage:

the number of integral parts is small, and the cost is low. A lever switch is added, so that the whole use is more convenient. The effective rapid adjustment and the rapid positioning are really realized.

Drawings

Fig. 1 is an overall perspective view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic front view of the present invention;

FIG. 4 is a schematic view of the overall assembly exploded effect;

FIG. 5 is a schematic view of the internal cross-sectional effect of FIG. 3;

FIG. 6 is an enlarged partial schematic view of portion "A" of FIG. 1;

FIG. 7 is an enlarged partial schematic view of portion "B" of FIG. 4;

FIG. 8 is an enlarged partial schematic view of portion "C" of FIG. 5;

fig. 9 is the utility model assembly: the integral structure of the fixed jaw and the handle part is a three-dimensional schematic diagram;

FIG. 10 is a schematic top view of FIG. 9;

FIG. 11 is a schematic view of the interior section of FIG. 9;

FIG. 12 is an enlarged partial schematic view of portion "D" of FIG. 9;

FIG. 13 is an enlarged partial schematic view of portion "E" of FIG. 10;

fig. 14 is a partially enlarged schematic view of portion "F" in fig. 11;

fig. 15 is the utility model assembly: the movable jaw and the telescopic rod part are in a three-dimensional schematic view of the whole structure;

FIG. 16 is an enlarged partial view of the section "G" in FIG. 15;

in the figure: 1. the movable jaw type mechanical hand comprises a fixed jaw, a movable jaw, a handle, a telescopic groove, a switch groove, a shaft hole, a telescopic rod, a fixed gear, a lever switch, a shaft hole, a pressing end, a fixed gear, a shaft hole, a pressing end, a fixing end, a shaft hole, a pressing end, a shaft hole, a pressing end, a shaft hole, a pressing end.

Detailed Description

The present invention will be further explained with reference to the drawings and examples. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and therefore show only important constituent parts related to the present invention.

The utility model relates to a wrench, which is manufactured based on the slow speed and low efficiency of the traditional wrench, changes the fixed jaw of the traditional wrench and the handle structure fixed with the fixed jaw into a whole, hollows the inside of the handle and makes the handle into an irregular geometric shape, so that the inside of the handle is a telescopic chute for adjusting the length; the movable jaw is fixedly connected with a telescopic rod, and the telescopic rod can not turn to dislocation by virtue of an irregular internal channel in the handle. The first fixed teeth fixedly connected with the upper surface of the telescopic rod are positioned on one side of the whole upper part of the telescopic rod and are used as a rack, the traditional threads are changed, the telescopic handle can be quickly stretched and adjusted in length, meanwhile, the fixing device is arranged outside the handle, and after the required jaw width is quickly adjusted, the telescopic handle can be positioned in one step.

As shown in fig. 1 to 16, the utility model relates to a wrench includes fixed jaw 1 and with fixed jaw 1 fixed connection handle 3 as an organic whole, the inside of handle 3 is provided with flexible groove 4, for the installation and prevent that inside part from skidding and turning to, flexible groove 4's structure is middle big little structure in two (or other anomalous shape all can), inside hole can be circular also can be square, circular in this embodiment, big circular upper and lower both ends respectively set up two bellied recesses in the middle, make internally mounted's part more steady, can not fall out the handle outside and combine inseparabler. In addition, a switch groove 5 longitudinally penetrating through the inner telescopic groove 4 is arranged above (or below) the handle 3, a raised elastic component placing table 14 is arranged inside the switch groove 5, and an upward second protrusion 16 is arranged above the elastic component placing table 14; the left and right sides of the switch slot 5 are provided with first shaft holes 6.

Still include a activity 2 and with activity 2 fixed connection's of keeping silent telescopic link 7, in order to increase telescopic link 7 stability, make it can not skid and turn to, telescopic link 7 structure is just can insert in flexible groove 4 and identical with the telescopic link. The upper side of the telescopic rod 7 is provided with a first fixed tooth 8 so that the whole side surface looks like a rack, and the side of the first fixed tooth 8 is positioned above and corresponds to the opening and closing groove 5.

A lever switch 9 is arranged in the switch groove 5, the lever switch 9 is in a ladder-shaped shape, the size of a plane is matched with that of the switch groove 5 and is just placed in the switch groove 5, a horizontally corresponding pressing end 11 is arranged above the lever switch 9 corresponding to the elastic component placing table, a first bulge 15 corresponding to a second bulge 16 is arranged below the pressing end 11, a second shaft hole 10 transversely penetrating through the lever switch 9 is arranged in the middle of the rest part of the lever switch 9 except the pressing end 11, and the circle center of the second shaft hole 10 corresponds to the circle center of the first shaft hole 6 and is positioned on the same central line; a lever shaft 18 is included to fix the lever switch 9 to the first shaft hole 6 through the second shaft hole 10. The fixed end 12 of the other side of the lever switch 9 is horizontal to the telescopic rod 7, the bottom of the lower part of the fixed end 12 is provided with a second fixed tooth 13 meshed with the first fixed tooth 8, and the mutual meshing surface of the first fixed tooth 8 and the second fixed tooth 13 is less than or equal to 90 degrees, so that the meshing between the two fixed teeth cannot slip and can be clamped.

An elastic member 17 (the elastic member 17 may be a spring or another elastic member) is provided between the first projection 15 below the pressing end 12 and the second projection 15 above the elastic member placement table 14.

The using method comprises the following steps: the lever switch 9 is arranged in the switch groove 5 of the handle 3 by means of a lever shaft 18, and can take the lever shaft 18 as a rotating axis; the movable jaw 2 and the telescopic rod 7 fixedly connected with the movable jaw 2 into a whole are arranged in the telescopic groove 4 in the fixed jaw 1 and the handle 3 fixedly connected with the movable jaw 2, the movable jaw 2 and the fixed jaw 1 are in a state of being opposite in pairs, when the adjustable jaw is used, the pressing end 11 is pressed downwards, the fixed end 12 at the other end of the lever switch 9 is lifted upwards by taking the lever shaft 18 as an axis, and then the second fixed teeth 13 integrally connected with the lower part of the fixed end 12 are separated from the meshing relation with the first fixed teeth 8, so that the telescopic rod 7 can directly pull the telescopic rod 7 to adjust the width of the jaw according to the size of a nut to be adjusted, and can be directly, quickly, stretched and further; after the movable jaw 2 reaches the preset position, the pressing end 11 of the lever switch 9 is released, the lever switch 9 is pushed upwards by the elastic component 17 below the pressing end, the fixed end 12 of the lever switch 9 is downwards by taking the lever shaft 18 as a placing axis, and the second fixed teeth 13 and the second fixed teeth 8 are restored to be in a meshed state, so that the movable jaw 2 is fixed. When the width of the jaw needs to be adjusted again, the pressing end 11 is pressed again to enable the second fixed teeth 13 below the fixed end 12 to be disengaged from the first fixed teeth 8, the telescopic rod 7 can adjust the width of the jaw optionally again, the pressing end 11 is released after the preset width is reached, the fixed end 12 is pressed again under the thrust of the elastic component 17, and the second fixed teeth 13 are reengaged with the second fixed teeth 8 to achieve the purpose of fixing the jaw.

The embodiments of the present invention have been described with reference to the accompanying drawings, but these descriptions should not be construed as limiting the scope of the present invention, which is defined by the appended claims, and any modifications based on the claims are intended to be within the scope of the present invention.

Claims (10)

1. The utility model provides a wrench, includes regular jaw and movable vice jaw, its characterized in that regular jaw and handle tip fixed connection, the handle is inside to have perpendicular to handle and the little flexible groove in the big both sides in centre, and the handle top is equipped with the switch slot in the inside flexible groove of vertical intercommunication, the left and right sides in switch slot is provided with first shaft hole.

2. The wrench according to claim 1, further comprising a retractable bar fixedly connected to the movable jaw, wherein the retractable bar is matched with the retractable slot in size and shape, and a first fixed tooth is disposed on a side of the retractable bar corresponding to the opening and closing slot.

3. A wrench as claimed in claim 1 or claim 2, wherein said switch slot includes a lever switch therein.

4. The wrench as claimed in claim 3, wherein the lever switch has a pressing end at one end and a fixed end at the other end, and a second axial hole at the middle part, the second axial hole and the first axial hole being located on the same center line.

5. A wrench as claimed in claim 4, wherein said first axial opening is connected to said second axial opening by a lever shaft.

6. A wrench as claimed in claim 5, wherein the lever switch is provided at the bottom of the fixed end thereof with second fixed teeth engaging with the first fixed teeth.

7. A wrench as claimed in claim 6, wherein the engagement surface of the first and second retaining teeth is less than or equal to 90 degrees to the horizontal.

8. The wrench as claimed in claim 1, wherein an elastic member receiving portion is formed at an end of the switch slot corresponding to a bottom of the fixed end of the lever switch.

9. A wrench as claimed in claim 7, wherein the resilient member is disposed between the pressing end and the resilient member receiving portion.

10. The wrench as claimed in claim 9, wherein a first protrusion is provided below the pressing end of the lever switch, and a second protrusion is provided above the resilient member mounting plate.

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