CN110561317B

CN110561317B - Head-changing wrench

Info

Publication number: CN110561317B
Application number: CN201910897252.1A
Authority: CN
Inventors: 孙艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2021-01-12
Anticipated expiration: 2039-09-23
Also published as: CN110561317A

Abstract

A head-changing spanner comprises a handle base, a spanner box and a spanner head, wherein the handle base comprises a handle and a head-placing base, one end of the handle is fixedly connected with the head-placing base, clamping channels on two sides of the spanner box are in sliding clamping connection with a clamping shaft at the front end of a handle groove, the spanner box is internally provided with corresponding handle grooves, or an opening is arranged below the clamping shaft in a vertical and downward penetrating manner, a plurality of clamps with the spanner head are connected in grooves of the spanner head box in a rotating manner, a single clamp can be arranged in a vertical and positioned manner, the spanner head is inserted into a ring sleeve cavity of the head-placing base or returns to the clamp, and a turnover cover of the head-placing base can cover and press the spanner head or open the spanner head; the wrench box and the clamp are respectively erected and the positioning and switching of the head seat are easy; the wrench is flat and does not occupy space; the invention has easy operation and flexible use.

Description

Head-changing wrench

Technical Field

The invention belongs to the field of hand tools, and particularly relates to a wrench with a replaceable wrench head.

Background

Present set spanner has multiple model, can twist soon to different model screws, nevertheless need carry a lot of spanners during the use, it is easily lost to keep the degree of difficulty greatly, the spanner of set is the big size model difference of wrench head, the body of rod is the same, it can the increase cost to purchase the spanner of complete set, also have the innovation of wrench head changing among the prior art, like national utility model patent "wrench head changing" (application number 201721371082.6), adopt the downthehole assorted wrench head mode of installation in the commentaries on classics of spanner main part, it is big to change both ends in turn through the chucking structure, little wrench head, but this technical scheme can not an organic whole carry a plurality of wrench heads, the wrench head model of change is less, the result of use has been influenced.

Disclosure of Invention

The invention adopts the following technical scheme:

a head-changing wrench comprises a handle base, a wrench head box and a wrench head, wherein the handle base comprises a handle and a head-placing base, one end of the handle is fixedly connected with the head-placing base, clamping channels on two sides of the wrench head box are in sliding clamping connection with a clamping shaft at the front end of a handle groove, the wrench head box is internally provided with corresponding handle grooves or is provided with an opening below the clamping shaft in an upright mode, a plurality of clamps with the wrench head are connected in grooves of the wrench head box in a rotating mode, a single clamp can be arranged in an upright mode in a positioning mode, the wrench head is inserted into a cavity of a ring sleeve of the head-placing base or returns to the clamp.

The structure is that vertical plates are fixedly connected to the front side and the two sides between two parallel clamping plates, the ring sleeve is vertically provided with a through opening, the cavity of the ring sleeve is provided with a switching flip, and the lower part of the ring sleeve is provided with the concave platform.

Wrench socket with opening larger than maximum model

Downward openings are formed in the rear end of the concave platform of the head placing seat and the front end of the handle groove, clamping shafts are arranged on the openings, and bosses are reinforced on handle bodies on two sides of the openings.

The periphery of the rectangular bottom surface of a single clamp is fixedly connected with a clamping piece, the opening is a slope surface, the upper clamping piece is provided with a strip-shaped opening, the length of the bottom surface of the clamp corresponds to the width of the box, the width corresponds to the height of the box, a plurality of clamps are connected to the bottom of the box in a switching mode, and the spacing distance is larger than the bottom surface of the clamp.

A magnetic piece or an elastic piece is arranged between the clamp and the box bottom of the wrench box, and the clamp is attached to the box bottom in a natural state.

Wrenches with different types of openings are internally provided with corresponding ring sleeve cavities, and the clamping bolts of the wrenches are clamped at the notches of the upper clamping plates of the ring sleeves; or the rear end of the wrench head is clamped in the hollow space of the clamp.

The wrench head box with the clamp placed horizontally is placed in a corresponding handle groove, the upper surface of the handle is flush, the wrench head box is erected and penetrates through the front end opening of the handle groove, a single clamp is vertically placed on the concave platform of the placing head seat in a positioning mode, and the wrench head is inserted into the ring sleeve cavity or retreats to the clamp.

The handle seat and the wrench head are made of hard metal materials, and the vertical walls of the placing head seat and the handle are thickened properly.

The technical effect is achieved.

A plurality of wrenches are clamped in the wrench box and stored integrally with the handle seat, or a plurality of wrenches are directly placed in the groove of the handle seat and are not easy to lose; the wrench box and the clamp are respectively erected and the positioning and switching of the head seat are easy; the wrench is flat and does not occupy space; the invention has easy operation and flexible use.

Drawings

Fig. 1 is a perspective view of a trigger box with a built-in stem base according to the present invention.

FIG. 2 is a perspective view of the wrench box of the present invention vertically positioned with the handle base and replaced with a wrench.

Fig. 3 is a partial perspective view of the wrench socket built-in according to the present invention.

FIG. 4 is a partial perspective view of the wrench box and the handle base of the present invention for vertical positioning and replacement of the wrench.

FIG. 5 is a top view of the wrench box of the present invention in a recessed groove of a flat stem base.

FIG. 6 is a top view of the present invention wrench box positioned perpendicular to the stem base with the clamp erected on the recess.

Fig. 7 is a front section view in longitudinal section of the present invention.

FIG. 8 is a top view of the trigger with the recess of the stem base of the present invention.

Reference numerals

The handle holder 1, the handle 11, the groove 111, the opening 112, the boss 113, the clamping shaft 114, the head holder 12, the ring sleeve 121, the through opening 1211, the clamping plate 1212, the cavity 1213, the bayonet 1214, the concave platform 122, the flip 123, the stopper 1231, the locking piece 123, the locking piece, the,

The wrench box 2, the box frame 21, the clamping channel 211, the box bottom 212, the clamp 22,

A wrench head 3, a sleeve opening 31 and a clamping bolt 32.

Detailed description of the preferred embodiments.

The invention is described in detail below with reference to the accompanying drawings, which respectively illustrate two technical solutions.

Example 1.

As shown in fig. 1 to 7, the wrench comprises a handle base 1, a wrench head box 2 and a wrench head 3.

1. A handle seat.

As shown in fig. 1 and fig. 2, the handle base 1 includes a handle 11 and a head base 12, the handle is a flat groove 111 with an upper opening, the front end of the handle is fixedly connected with the head base 12, a downward opening 112 is arranged on the bottom surface of the groove at the connection position, clamping shafts 114 are arranged on two sides of the groove above the opening, the cross section of the wrench head box 2 corresponds to the downward opening and can be inserted into the lower opening, and clamping channels 211 on two side plates of the wrench head box are slidably clamped with the clamping shafts 114 above the lower opening; in order to ensure the firm connection between the handle and the head placing seat, the handle bodies on the two sides of the opening 112 are provided with bosses 113; the wrench head box 2 with the corresponding shape and size can be flatly arranged in the handle groove 111.

As shown in fig. 3, fig. 4, fig. 5 and fig. 6, the carrying seat 12 includes a ring sleeve 121, a concave platform 122 and a flip cover 123, the flat ring sleeve is located at the front end of the wrench, and is a rectangular or front arc rear column, and the structure is: the vertical plates are fixedly connected between the two sides and the front side of the two parallel clamping plates 1212, a cavity 1213 is formed in the vertical plates, the front end of the ring sleeve is provided with a through hole 1211 corresponding to the upper part and the lower part for sleeving a screw, the diameter of the through hole is larger than the diameter of the maximum type sleeve opening of a wrench to be carried, the rear end of the upper clamping plate of the ring sleeve is provided with a bayonet 1214 for clamping a clamping bolt 32 of the wrench, the cavity in the ring sleeve is used for inserting the wrench 3 with the corresponding shape and size, a switching flip 123 is arranged between the outlet of the cavity of the ring sleeve and the opening 112 of the groove of the handle base, a concave platform 122 is arranged below the ring base, the wrench box 2 is vertically inserted into the lower opening 112 of the handle base, and the positioned clamp 22 with the wrench is rotated by 90 degrees and placed on the concave platform 122, so that the bottom surface of the wrench 3 is attached to the inner bottom surface; one side of the flip cover 123 positioned above the concave station is connected with one side of the upper edge of the groove of the handle body in a switching way, after the ring sleeve cavity 1213 is arranged in the wrench head 3, the clamping bolt 32 of the wrench head is positioned at the clamping plate bayonet 1214 on the ring sleeve, the flip cover 123 is covered, and the stop 1231 of the flip cover is abutted against the rear end of the wrench head 3, so that the wrench head is fixed; the flip 123 is lifted, the upper part of the concave table is opened, and the operation of erecting the wrench head box is carried out.

As shown in fig. 3 and 4, the wrench box 2 is a "u" shaped box frame 21 with two closed ends and an open top, a plurality of adapter clamps 22 are arranged in the box at intervals, and the structure of a single clamp is as follows: the periphery of the bottom surface of the clamp is fixedly connected with a clamping piece, one side of the bottom surface, which corresponds to the slope edge, is in a shape of opening, the length of the bottom surface corresponds to the width of the box bottom 212, the width of the bottom surface corresponds to the vertical height of the box, the lower clamping piece of the clamp corresponds to the length of the wrench head, the middle of the short middle of the upper clamping piece corresponds to the position of the wrench head clamping bolt 32, the rear end of the wrench head is inserted into the corresponding clamp, the clamping bolt 32 is positioned at the innermost end of the strip-shaped opening of the upper clamping piece, one end of the bottom surface of the clamp is connected with the bottom ends of the two side plates of the wrench head box in a switching way, the clamp and the box bottom are jointed naturally, the clamp can be erected by external force, the wrench head clamped in the clamp is horizontally arranged in the wrench head box, the wrench head box can not be blocked when vertically moving in the groove opening 112, the clamp can be erected after positioning, the space between the two clamps in the box is larger than the bottom surface, the clamp 22 with the wrench head is flatly arranged in the wrench head box 2, the wrench head box 2 is flatly arranged in the handle groove 111, and the upper surface of the handle 11 is level.

3. A wrench head.

The wrench head 3 is a flat block-shaped body which is in a front arc rear shape or a square shape and corresponds to the cavity of the head placing seat, the tail part corresponds to the hollow space of the clamp, the middle of the wrench head is provided with a vertical sleeve opening 31, and the sleeve opening is divided into different types and corresponds to the shapes of various types of screwed screw caps.

The wrench head 3 can be provided with a cavity of the ring sleeve of the placing head seat with corresponding shape and size, or the tail end of the wrench head is clamped in the clamp 22 of the wrench head box, and the tail end of the wrench head is provided with an upward clamping bolt 32 which is used for operating the movement of the wrench head or is clamped and fixed with the clamping opening 1214 of the ring sleeve.

The handle seat and the wrench head are made of hard metal materials, the vertical walls of the ring sleeve and the handle body are thickened properly, the handle is comfortable to handle, and the wrench head box is a thin box body made of hard materials and light.

4. The working principle is as follows.

As shown in fig. 1 to 7, a corresponding wrench head box 2 is horizontally disposed in a groove 111 of a handle base 1, the front ends of clamping channels 211 on two side plates of the box are clamped in a clamping shaft 114 above a lower opening, a flip cover 123 is opened, the wrench head box is erected with the clamping shaft as a circle center, the box top is aligned with the groove lower opening and passes downwards, at the moment, a clamp clamps a wrench head 3 and is tightly placed on a wrench head box bottom 212 without influencing the vertical movement of the box body, the clamp 22 provided with a wrench head 3 of a required model is positioned, the clamp is reversely rotated by 90 degrees and is placed on a concave platform 122 of the placement head base, a clamp bolt 32 at the rear end of the wrench head is forwardly pushed by a hand, the wrench head 3 is inserted into a cavity 1213 of a ring sleeve, the clamp bolt 32 is positioned in a bayonet 1214 of a clamping plate on the ring sleeve, the flip cover 123 is closed, a stop 1231 of the flip cover abuts against the rear end of the wrench head 3, the hollow clamp 22 is horizontally disposed in the wrench head box.

The wrench head 3 is taken out, the same procedure is carried out, and the wrench head in the cavity is only required to be withdrawn to the empty clamp.

Example 2.

As shown in figure 8, this is another technical scheme, on the basis of embodiment 1, the front end of the groove 111 of the handle seat is not provided with a lower opening, the concave platform is changed to be flush with the bottom surface of the cavity, the flip cover has the same length with the groove, one side of the flip cover is connected with the upper edge of one side of the groove in a switching way, a wrench box and a boss are not arranged any more, the wrench is directly placed in a marked groove space according to the model, and a hollow part of the wrench is reserved behind the ring sleeve cavity.

The working principle is as follows: directly take out the spanner 3 of required model from the groove check, put into ring cover cavity 1213 in, the lid closes flip can, during the change, opens flip, withdraws from the spanner in the cavity, picks up required spanner again and directly puts into ring cover cavity, the lid closes flip can.

Claims

1. A head-changing wrench comprises a handle seat, a wrench head box and a wrench head, and is characterized in that: the handle seat comprises a handle and a placing head seat, one end of the handle is fixedly connected with the placing head seat, clamping channels on two sides of the wrench box are in sliding clamping connection with a clamping shaft at the front end of a handle groove, the wrench box is internally provided with a corresponding handle groove, or an opening is arranged below the clamping shaft in a standing and downward penetrating mode, a plurality of clamps with wrench heads are connected in a wrench box groove in a rotating mode, a single clamp can be placed in a standing and positioning mode, the wrench heads are inserted into a cavity of the placing head seat ring sleeve or return to the clamp, and a turning cover of the placing head seat can be covered and pressed.

2. The wrench of claim 1, wherein: the structure is that vertical plates are fixedly connected to the front side and the two sides between two parallel clamping plates, the ring sleeve is vertically provided with a through opening, the cavity of the ring sleeve is provided with a switching flip, and the lower part of the ring sleeve is provided with the concave platform.

3. A wrench as claimed in claim 2, wherein: the through opening is larger than the wrench head sleeve opening with the largest model.

4. A wrench as claimed in claim 2, wherein: downward openings are formed in the rear end of the concave table of the head placing seat and the front end of the handle groove, clamping shafts are arranged on the openings, and bosses are reinforced on handle bodies on two sides of the openings.

5. The wrench of claim 1, wherein: the periphery of the rectangular bottom surface of a single clamp is fixedly connected with a clamping piece, the opening is a slope surface, the upper clamping piece is provided with a strip-shaped opening, the length of the bottom surface of the clamp corresponds to the width of the box, the width corresponds to the height of the box, a plurality of clamps are connected to the bottom of the box in a switching mode, and the spacing distance is larger than the bottom surface of the clamp.

6. The wrench of claim 4, wherein: a magnetic piece or an elastic piece is arranged between the clamp and the box bottom of the wrench box, and the clamp is attached to the box bottom in a natural state.

7. The wrench of claim 1, wherein: wrenches with different types of openings are internally provided with corresponding ring sleeve cavities, and the clamping bolts of the wrenches are clamped at the notches of the upper clamping plates of the ring sleeves; or the rear end of the wrench head is clamped in the hollow space of the clamp.

8. The wrench of claim 1, wherein: the wrench head box with the clamp placed horizontally is placed in a corresponding handle groove, the upper surface of the handle is flush, the wrench head box is erected and penetrates through the front end opening of the handle groove, a single clamp is vertically placed on the concave platform of the placing head seat in a positioning mode, and the wrench head is inserted into the ring sleeve cavity or retreats to the clamp.

9. The wrench of claim 1, wherein: the handle seat and the wrench head are made of hard metal materials, and the vertical walls of the placing head seat and the handle are thickened properly.