CN215036975U

CN215036975U - Novel double offset ring spanner of interchangeable head

Info

Publication number: CN215036975U
Application number: CN202022931967.5U
Authority: CN
Inventors: 林华
Original assignee: Anhui Disen Hardware Tool Co ltd
Current assignee: Anhui Disen Hardware Tool Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-12-07
Anticipated expiration: 2030-12-07

Abstract

The utility model provides a novel box end wrench of interchangeable head belongs to the spanner field. It is including pulling the body, the head of pulling the body rotate and be connected with two halfdiscs, two halfdiscs rotate through same pivot and pull the body and be connected, the tip of pulling the body is kept away from to two halfdiscs all is equipped with a fixed block, detachable connection between two fixed blocks, two halfdiscs keep away from the tip of pulling the body and form the clamp hoop when offsetting, the clamp hoop in placed the plum blossom cover. The quincuncial sleeve has the advantages that the quincuncial sleeve can be replaced by rotating the semicircular sheet according to the size of the bolt to be screwed.

Description

Novel double offset ring spanner of interchangeable head

Technical Field

The utility model belongs to the spanner field especially relates to a novel box end wrench of interchangeable head.

Background

The double offset ring spanner is very common in the present life, the specifications of the double offset ring spanner are numerous due to different application positions or fields, when needed, people need to buy the double offset ring spanner with a plurality of different specifications, but actually the difference is only the double offset ring spanner head, and the double offset ring spanner handle is actually not different. Under the general condition, a box spanner corresponds a size, consequently at the during operation operator need carry a plurality of box spanner, and weight is heavier, inconvenient carrying.

For example, chinese patent literature discloses a new wrench with a replaceable wrench spline head [ patent application No.: CN201710206537.7], comprising a slave plum blossom sleeve, a master plum blossom sleeve, and a handle connected to the master plum blossom sleeve, wherein the master plum blossom sleeve is used for fixing the slave plum blossom sleeve, the master plum blossom sleeve is composed of two semicylinders, a connecting hinge, a supporting hinge seat, a supporting hinge pin, a supporting hinge screw, a gland nut, and a pressing buckle, the slave plum blossom sleeve comprises a fixed ring with the same diameter as the circle composed of the two semicylinders, two sides of the fixed ring are respectively connected with a plum blossom-shaped through hole a and a plum blossom-shaped through hole B, the diameter of the plum blossom-shaped through hole a is larger than that of the plum blossom-shaped through hole B, a ratchet wheel is arranged on the surface of the fixed ring, and the fixed ring of the slave plum blossom sleeve is fixedly connected between the two semicylinders of the master plum blossom sleeve; the handle is provided with a through hole, the through hole is connected with a positioning key through a pin shaft, the positioning key comprises a groove, two sides of the groove are respectively provided with a gear for clamping the ratchet wheel, and a convex groove for moving is arranged beside the gear. The plum blossom sleeves to be replaced by the utility model are separately placed.

Disclosure of Invention

The utility model aims at the above-mentioned problem, provide a novel box end wrench of interchangeable head.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a novel box end wrench of interchangeable head, includes pulls the body, the head of pulling the body rotate and be connected with two halfdiscs, two halfdiscs rotate with pulling the body through same pivot and are connected, the tip that pulls the body is kept away from to two halfdiscs all is equipped with a fixed block, detachable connection between two fixed blocks, two halfdiscs form the clamp hoop when keeping away from the tip of pulling the body and offset, the clamp hoop in placed the plum blossom cover.

In foretell novel box end wrench of interchangeable head, the clamp circle be circular, and the clamp circle is equipped with two card limits at least, the even distribution in a plurality of card limit is on two semicircle pieces, plum blossom cover and clamp circle looks adaptation.

In the novel double offset ring spanner with the replaceable head, the spanner body is arranged in a hollow mode, and a plurality of replacement sleeves are placed in the spanner body.

In the novel double offset ring spanner with the replaceable heads, the outer rings of the plurality of replacement sleeves are the same as the outer rings of the quincuncial sleeves, and the areas of the inner rings of the plurality of replacement sleeves are different.

In the novel double offset ring spanner with the replaceable head, the spanner body is internally and slidably connected with an inner rod, the end part of the inner rod, which extends out of the spanner body, is rotatably connected with the two semicircular sheets, and the inner rod is internally provided with a plurality of placing cavities for placing the replacement sleeves.

In foretell novel box end wrench that can trade head, the interior pole keep away from the tip of semicircle piece and be equipped with the hole, the spanner on be equipped with a plurality of along spanner central line direction setting and all with the outer hole of hole looks adaptation, outer hole still adaptation have the lock axle, the lock axle can run through the outer hole and extend into the inner hole downthehole.

In the novel double offset ring spanner with the replaceable head, the rotating rod is connected in the spanner body in a rotating mode, and a plurality of placing cavities used for placing the replacement sleeves are formed in the rotating rod.

In the novel double offset ring spanner with the replaceable head, one end of the rotating rod is rotatably connected with the spanner body, the other end of the rotating rod is slidably connected with the fixed shaft, and the fixed shaft slidably penetrates through the spanner body and extends into the rotating rod.

In the novel double offset ring spanner with the replaceable head, the inner wall of the placing cavity is provided with the rubber ring.

In the novel double offset ring spanner with the replaceable heads, the two fixing blocks can be detachably connected through the connection mode of the nuts and the bolts.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a detachable connection between two fixed blocks, two semicircle pieces form the clamp ring when keeping away from the tip of pulling the body and offset, according to treating to twist the difference of moving the bolt size, can change the plum blossom cover through the rotation of semicircle piece.

2. The utility model discloses a two half-round piece joints are connected and are blocked the plum blossom cover when the clamp is enclosed, and the card limit can prevent that the plum blossom cover from rotating to make its normal work, prevent to take place to skid in the use.

3. The utility model discloses according to treating to twist the difference of moving the bolt size, can replace, and the replacement cover is placed in pulling the body, conveniently carries and is difficult for losing.

Drawings

FIG. 1 is a schematic structural diagram of the first embodiment;

FIG. 2 is a schematic structural view of the wrench body of FIG. 1;

FIG. 3 is a schematic structural view of the second embodiment;

fig. 4 is an expanded schematic view of fig. 3.

In the figure: the wrench comprises a wrench body 10, a semicircular plate 11, a rotating shaft 12, a fixing block 13, a clamp ring 14, a plum blossom sleeve 15, a clamping edge 16, a replacement sleeve 17, an inner rod 18, a placing cavity 19, an inner hole 20, an outer hole 21, a rotating rod 22 and a fixing shaft 23.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Example one

Referring to fig. 1-2, a novel double offset ring spanner with replaceable head, including spanner body 10, spanner body 10's head rotate and be connected with two halfdiscs 11, two halfdiscs 11 rotate with spanner body 10 through same pivot 12 and be connected, two halfdiscs 11 keep away from the tip of spanner body 10 and all are equipped with a fixed block 13, detachable connection between two fixed blocks 13, two halfdiscs 11 form clamp ring 14 when keeping away from the tip of spanner body 10 and offset, clamp ring 14 in placed plum blossom cover 15.

In this embodiment, the two half-discs 11 can be rotated away from or close to each other, the quincunx sleeve 15 is placed in the clamping hoop 14 formed by the two half-discs 11, and the two half-discs 11 fix the two half-discs 11 together and the quincunx sleeve 15 in the clamping hoop 14 by a detachable mechanism. The quincuncial sleeve 15 can be replaced by rotating the semicircular plate 11 according to the size of the bolt to be screwed.

The clamp hoop 14 is circular, at least two clamping edges 16 are arranged on the clamp hoop 14, the clamping edges 16 are evenly distributed on the two semicircular sheets 11, and the quincunx sleeve 15 is matched with the clamp hoop 14.

In this embodiment, the clamping edge 16 is a straight edge, and the plum blossom sleeve 15 is matched with the clamping ring 14, when the two half-round pieces 11 are clamped and connected to clamp the plum blossom sleeve 15 in the clamping ring 14, the clamping edge 16 can prevent the rotation of the plum blossom sleeve 15, so that the plum blossom sleeve can normally work.

The wrench body 10 is hollow, and a plurality of replacement sleeves 17 are placed in the wrench body 10.

The outer rings of the plurality of replacing sleeves 17 are the same as the outer rings of the quincuncial sleeves 15, and the areas of the inner rings of the plurality of replacing sleeves 17 are different.

In this embodiment, the replacement can be performed according to the size of the bolt to be screwed, and the replacement sleeve 17 is placed in the wrench body 10, so that the wrench is convenient to carry and is not easy to lose.

An inner rod 18 is connected in the wrench body 10 in a sliding mode, the end portion, extending out of the wrench body 10, of the inner rod 18 is connected with the two half-round pieces 11 in a rotating mode, and a plurality of placing cavities 19 used for placing the replacement sleeves 17 are formed in the inner rod 18.

In this embodiment, the replacement sleeve 17 is placed in the placing cavity 19, and is clamped in the placing cavity 19 when not in use, so that the replacement sleeve cannot shake along with the movement of the wrench, and cannot collide with each other to cause abrasion.

The tip that keeps away from half-round piece 11 of interior pole 18 be equipped with hole 20, spanner 10 on be equipped with a plurality of along spanner 10 central line direction set up and all with the outer hole 21 of hole 20 looks adaptation, outer hole 21 still the adaptation have the lock axle, the lock axle can run through outer hole 21 and extend into in the hole 20.

In this embodiment, the wrench body 10 can be used not only for placing the replacement sleeve 17, but also for adjusting the length of the wrench body 10, so that screwing can be performed more easily.

The inner wall of the placing cavity 19 is provided with a rubber ring.

In this embodiment, the rubber ring can further place the replacement sleeve 17 in the placing cavity 19.

The two fixing blocks 13 can be detachably connected through a nut and bolt connection mode.

Example two

The second embodiment is basically the same as the first embodiment in principle, and the difference is that:

as shown in fig. 3 and 4, a rotating rod 22 is rotatably connected in the wrench body 10, and a plurality of placing cavities 19 for placing the replacement sleeves 17 are arranged in the rotating rod 22.

In the present embodiment, the rotary rod 22 is extended out of the wrench body 10 in a rotary manner, so that all the replacement sleeves 17 can be rapidly extended out of the wrench body 10, thereby facilitating the selection of the operator.

One end of the rotating rod 22 is rotatably connected with the wrench body 10, the other end of the rotating rod is slidably connected with a fixing shaft 23, and the fixing shaft 23 slidably penetrates through the wrench body 10 and extends into the rotating rod 22.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the wrench body 10, the semicircular plate 11, the rotation shaft 12, the fixing block 13, the collar clamp 14, the quincunx sleeve 15, the clamping edge 16, the replacement sleeve 17, the inner rod 18, the placing cavity 19, the inner hole 20, the outer hole 21, the rotation rod 22, the fixing shaft 23, etc., are used more frequently herein, these terms are used only for the purpose of more conveniently describing and explaining the essence of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a novel box end wrench of interchangeable head, includes spanner body (10), its characterized in that, the head of spanner body (10) rotate and be connected with two halfdiscs (11), two halfdiscs (11) rotate with spanner body (10) through same pivot (12) and are connected, the tip of keeping away from spanner body (10) in two halfdiscs (11) all is equipped with one fixed block (13), detachable connection between two fixed blocks (13), form clamp ring (14) when the tip of keeping away from spanner body (10) in two halfdiscs (11) offsets, clamp ring (14) in placed plum blossom cover (15).

2. The novel double offset ring spanner with replaceable heads as claimed in claim 1, wherein said clamping band (14) is circular, and at least two clamping edges (16) are arranged on said clamping band (14), a plurality of clamping edges (16) are uniformly distributed on two semicircular plates (11), and said quincunx sleeve (15) is matched with said clamping band (14).

3. The new type of ring spanner with replaceable head as claimed in claim 2, wherein said spanner body (10) is hollow, and a plurality of replacement sleeves (17) are placed in said spanner body (10).

4. A new type of double offset ring spanner with replaceable heads according to claim 3, characterized in that the outer ring of several replacement sleeves (17) is the same as the outer ring of the quincunx sleeve (15), and the area of the inner ring of several replacement sleeves (17) is different.

5. The novel double offset ring spanner with replaceable heads as claimed in claim 4, wherein the spanner body (10) is internally and slidably connected with an inner rod (18), the end part of the inner rod (18) extending out of the spanner body (10) is rotatably connected with the two semicircular plates (11), and a plurality of placing cavities (19) for placing the replacement sleeves (17) are arranged in the inner rod (18).

6. The novel double offset ring spanner with replaceable heads as claimed in claim 5, wherein the end of the inner rod (18) far away from the semicircular plate (11) is provided with an inner hole (20), the spanner body (10) is provided with a plurality of outer holes (21) which are arranged along the direction of the central line of the spanner body (10) and are matched with the inner hole (20), the outer holes (21) are also matched with lock shafts, and the lock shafts can penetrate through the outer holes (21) and extend into the inner hole (20).

7. The novel double offset ring spanner with replaceable heads as claimed in claim 4, wherein said spanner body (10) is rotatably connected with a rotating rod (22), and a plurality of placing cavities (19) for placing the replacement sleeves (17) are arranged in said rotating rod (22).

8. The new type of ring spanner with replaceable head as claimed in claim 7, wherein one end of said rotating rod (22) is rotatably connected to said spanner body (10), and the other end is slidably connected to a fixed shaft (23), said fixed shaft (23) slidably penetrates through said spanner body (10) and extends into said rotating rod (22).

9. The new type of ring spanner with replaceable head as claimed in any of claims 5-8, characterized in that the inner wall of said placing cavity (19) is provided with rubber ring.

10. The new type of ring spanner with replaceable head as claimed in claim 1, wherein the two fixed blocks (13) can be detachably connected by means of nut and bolt connection.