CN213765621U

CN213765621U - Expanding ratchet head and ratchet wrench with same

Info

Publication number: CN213765621U
Application number: CN202022805027.1U
Authority: CN
Inventors: 叶德棋
Original assignee: Xiamen Aoxinda Hardware Co ltd
Current assignee: Xiamen Aoxinda Hardware Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-23
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses an expanding ratchet head, which comprises a gear part, an upper plugging part and a lower plugging part, wherein the gear part respectively extends towards two sides to form the upper plugging part and the lower plugging part, the upper plugging part is a replacing end and is provided with a plugging port, the plugging port is used for matching and plugging with a butt joint plug of any specification batch head, and the lower plugging part is a replacing end and is used for matching and plugging with a butt joint socket of any specification batch head; the ratchet wrench comprises a handle, the ratchet head and a pawl, wherein the pawl is hinged in the handle, and the pawl is matched with the gear part and used for stopping the ratchet head. The utility model discloses gear portion extends to its both sides respectively and forms columnar last grafting portion and lower grafting portion, can criticize the butt joint plug cooperation of head with arbitrary specification through last grafting portion and peg graft with the elasticity bolt, can peg graft with the butt joint socket cooperation of arbitrary specification pullover with the elasticity nut through lower grafting portion, has both improved the convenience that ratchet spanner used, has reduced user's use cost again.

Description

Expanding ratchet head and ratchet wrench with same

Technical Field

The utility model relates to a spanner technical field, concretely relates to expanding ratchet head and have its ratchet spanner.

Background

The ratchet wrench can be used for rotating bolts or nuts which are arranged in a narrow space or are difficult to access, and generally comprises a ratchet head, a pawl and the like, wherein a replaceable structure is arranged at one end of the ratchet head, the ratchet head with the screw heads inserted in the replaceable structure is butted with screw heads or sleeve heads of various specifications, the ratchet head with the screw heads inserted in the replaceable structure is aligned with the bolts or the ratchet head with the sleeve head inserted in the replaceable structure is sleeved behind the nut through the matching of the pawl and the ratchet head, and the bolts or the nuts can be loosened by wrenching the wrench back and forth.

In the existing ratchet wrench, a replaceable structure is only arranged at one end of the ratchet head, namely the replaceable structure only used for butting the screwdriver head or the replaceable structure only used for butting the sleeve head, and at least two ratchet wrenches (one ratchet wrench is used for butting the screwdriver head and the other ratchet wrench is used for butting the sleeve head) need to be equipped when a bolt and a nut are tightened, so that the use convenience is poor, and the use cost of a user is increased.

In addition, after the ratchet head of the existing ratchet wrench is butted with the batch head or the sleeve head, the batch head or the sleeve head is fixed on the ratchet head through a hoop or a structure similar to the hoop so as to prevent the batch head or the sleeve head from being separated when in use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an extension formula ratchet head and have its ratchet spanner.

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

the expanding type ratchet head comprises a gear part, an upper insertion part and a lower insertion part, wherein the gear part extends towards two sides of the gear part to form the columnar upper insertion part and the columnar lower insertion part respectively, the upper insertion part is a replacing end and is provided with an insertion port, the insertion port is used for being matched and inserted with a butt joint plug of a batch head of any specification, and the lower insertion part is a replacing end and is used for being matched and inserted with a butt joint socket of a sleeve head of any specification.

The lower insertion part is provided with a first insertion groove, the first insertion groove is used for accommodating the sleeve head, the sleeve head is arranged in the lower insertion part, and the first anti-falling part is arranged on the side wall of the lower insertion part and used for limiting the sleeve head in the insertion state to be separated from the lower insertion part.

Further, the bottom of interface is equipped with first mounting groove, first anticreep piece adopts magnet, and it sets firmly in the first mounting groove, second anticreep piece includes second spring and second spheroid, the one end of second spring set up in the second mounting groove, the other end is connected with the second spheroid, and makes the second spheroid exposes the second mounting groove.

Further, the interface is the hexagon mouth, lower grafting portion is including extending section and grafting section, gear portion extends formation in proper order towards its downside extension section and grafting section, the extension section is cylindrical, the grafting section is the quadrangle cylinder, the second mounting groove is located in the grafting section, go up grafting portion, gear portion, extension section and grafting section and be the coaxial line.

Furthermore, an anti-slip pattern is formed on the outer side wall of the upper insertion part, and the anti-slip pattern is a vertical pattern and is distributed along the circumferential direction of the upper insertion part.

A ratchet wrench comprises a handle, the ratchet head and a pawl, wherein the ratchet head is arranged at the front end of the handle, the pawl is hinged in the handle, and the pawl is matched with a gear part and used for stopping the ratchet head.

Further, still including the piece that resets, the handle includes spanner body, goes up mounting panel and lower mounting panel, go up the mounting panel with lower mounting panel set firmly respectively in spanner body's top and bottom, ratchet head and pawl set up respectively in go up the front end of mounting panel with lower mounting panel, spanner body's front end is equipped with the installing port, the piece that resets set up in the installing port for after making the action the pawl resets.

Further, the piece that resets includes first spring and first spheroid, the one end of first spring set up in the installing port, the other end is provided with first spheroid, first spheroid leans on under the effect of first spring on the pawl lateral wall.

After the technical scheme is adopted, compared with the background art, the utility model, have following advantage:

1. the utility model discloses the gear portion extends to form columnar last grafting portion and lower grafting portion respectively toward its both sides, goes up grafting portion and grafting portion down and is the replacement end, can peg graft with the cooperation of the butt joint plug of arbitrary specification batch head with the elasticity bolt through last grafting portion, can peg graft with the butt joint socket cooperation of arbitrary specification sleeve head with the elasticity nut through grafting portion down, has both improved the convenience that ratchet spanner used, has reduced user's use cost again.

2. The utility model discloses set firmly first anticreep piece in the interface bottom of last grafting portion, limit the batch head that is under the grafting state through first anticreep piece and break away from the interface, be equipped with second anticreep piece on the lateral wall of grafting portion down, limit the pullover under the grafting state through second anticreep piece and break away from grafting portion down, batch head and pullover install in the first required time of ratchet few, the degree of difficulty of installation is low.

Drawings

FIG. 1 is a schematic structural diagram according to a first embodiment;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a sectional view of the first embodiment;

FIG. 4 is a schematic structural diagram of the second embodiment;

fig. 5 is a partial structural schematic diagram of the second embodiment.

Description of reference numerals:

the ratchet head 100, the gear part 110, the upper plug part 120, the plug port 121, the first mounting groove 122, the anti-skid thread 123, the lower plug part 130, the second mounting groove 131, the extension section 132, the plug section 133, the first anti-release piece 140, the second anti-release piece 150, the second spring 151 and the second ball 152;

the wrench comprises a wrench body 210, a mounting opening 211, an upper mounting plate 220 and a lower mounting plate 230;

a pawl 300;

a first spring 410, a first ball 420.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or position relationship shown in the drawings, and are only for convenience of description and simplification of the present invention, but do not indicate or imply that the device or element of the present invention must have a specific orientation, and thus, should not be construed as limiting the present invention.

Example one

With reference to fig. 1 to 3, the embodiment discloses an expanding ratchet head, which includes a gear portion 110, an upper insertion portion 120 and a lower insertion portion 130, wherein the gear portion 110 extends to two sides thereof to form a cylindrical upper insertion portion 120 and a cylindrical lower insertion portion 130, the upper insertion portion 120 is a replacement end, and is provided with an insertion port 121, the insertion port 121 is used for being inserted into a mating plug of a batch head of any specification, and the lower insertion portion 130 is a replacement end, and is used for being inserted into a mating insertion port of a batch head of any specification.

The screwdriver further comprises a first anti-dropping piece 140 and a second anti-dropping piece 150, wherein the first anti-dropping piece 140 is fixedly arranged at the bottom of the inserting port 121 and used for limiting the screwdriver head in the inserting state to be separated from the inserting port 121, a second installing groove 131 is formed in the side wall of the lower inserting portion 130, and the second anti-dropping piece 150 is arranged in the second installing groove 131 and used for limiting the screwdriver head in the inserting state to be separated from the lower inserting portion 130.

In this embodiment, the bottom of the socket 121 is provided with a first mounting groove 122, the first anti-slip member 140 is a magnet and is fixedly disposed in the first mounting groove 122, the first anti-slip member 140 and the first mounting groove 122 are preferably circular, the first anti-slip member 140 is tightly clamped and adsorbed in the first mounting groove 122, and after a docking plug of any specification batch head (the docking plug of various batch heads has the same size, and the head of the batch head has different sizes) is inserted into the socket 121, the column is firmly adsorbed by the first anti-slip member 140 at the bottom of the socket 121.

The second anti-slip member 150 includes a second spring 151 and a second ball 152, one end of the second spring 151 is disposed in the second mounting groove 131, and the other end is connected with the second ball 152, and the second ball 152 is exposed out of the second mounting groove 131. After the docking sockets (the docking sockets of the various sockets are of the same size, and the sockets of the sockets are of different sizes) of the sockets of any specification are inserted into the lower insertion-connection part 130, the second ball 152 is pressed against the sockets under the action of the second spring 151, so that the sockets are fixed.

Interface 121 is the hexagon mouth, and lower grafting portion 130 includes extension section 131 and grafting section 132, and gear portion 110 extends formation extension section 131 and grafting section 132 towards its downside in proper order, and extension section 131 is cylindrical, and grafting section 132 is the quadrangle cylinder, and during grafting section 132 was located to second mounting groove 131, goes up grafting portion 120, gear portion 110, extension section 131 and grafting section 132 and is the coaxial line.

The outer side wall of the upper insertion part 120 is formed with anti-slip stripes 123, and the anti-slip stripes 123 are vertical stripes and are distributed along the circumference of the upper insertion part 120.

Example two

As shown in fig. 1, 4 and 5, the present embodiment further discloses a ratchet wrench, which includes a handle, the ratchet head 100, a pawl 300 and a reset member, wherein the ratchet head 100 is disposed at a front end of the handle, the pawl 300 is hinged in the handle, and the pawl 300 is engaged with the gear portion 110 for stopping the ratchet head 100.

The handle includes spanner body 210, goes up mounting panel 220 and lower mounting panel 230 and sets firmly respectively in the top and the bottom of spanner body 210, and ratchet head 100 and pawl 300 set up respectively in the front end of going up mounting panel 220 and lower mounting panel 230, and the front end of spanner body 210 is equipped with installing port 211, and the piece that resets sets up in installing port 211 for make the pawl 300 after the action reset.

The reset piece comprises a first spring 410 and a first ball body 420, one end of the first spring 410 is arranged in the mounting opening 211, the other end of the first spring 410 is provided with the first ball body 420, the first ball body 420 is abutted against the side wall of the pawl 300 under the action of the first spring 410, and the pawl 300 can be reset to the force application position of the ratchet wrench back and forth under the action of the first spring 410 and the first ball body 420.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An expansion ratchet head, its characterized in that: the upper plugging portion and the lower plugging portion extend towards two sides of the gear portion respectively to form a columnar upper plugging portion and a columnar lower plugging portion, the upper plugging portion is a replacing end, a plugging port is formed in the upper plugging portion and used for being matched and plugged with a butt joint plug of a batch head of any specification, and the lower plugging portion is a replacing end and used for being matched and plugged with a butt joint socket of a sleeve head of any specification.

2. An expanding ratchet head according to claim 1, wherein: the lower insertion part is provided with a first insertion groove, the first insertion groove is used for accommodating the sleeve head in the insertion state, and the second insertion groove is used for accommodating the sleeve head in the insertion state.

3. An expanding ratchet head according to claim 2, wherein: the bottom of interface is equipped with first mounting groove, first anticreep piece adopts magnet, its set firmly in the first mounting groove, second anticreep piece includes second spring and second spheroid, the one end of second spring set up in the second mounting groove, the other end is connected with the second spheroid, and makes the second spheroid exposes the second mounting groove.

4. An expanding ratchet head according to claim 3, wherein: the socket is a hexagonal socket, the lower insertion part comprises an extension section and an insertion section, the gear part sequentially extends towards the lower side of the gear part to form the extension section and the insertion section, the extension section is cylindrical, the insertion section is a quadrangular cylinder, the second mounting groove is formed in the insertion section, and the upper insertion part, the gear part, the extension section and the insertion section are coaxial lines.

5. An expanding ratchet head according to claim 4, wherein: the outer side wall of the upper insertion part is provided with anti-slip stripes which are vertical stripes and are distributed along the circumferential direction of the upper insertion part.

6. A ratchet wrench, comprising: a ratchet head according to any of claims 1 to 5 comprising a handle, said ratchet head being arranged at a front end of said handle, and a pawl being hinged in said handle, said pawl cooperating with said gear portion for stopping said ratchet head.

7. The ratchet wrench of claim 6, wherein: still including the piece that resets, the handle includes spanner body, goes up mounting panel and lower mounting panel, go up the mounting panel with lower mounting panel set firmly respectively in spanner body's top and bottom, ratchet head and pawl set up respectively in go up the front end of mounting panel and lower mounting panel, spanner body's front end is equipped with the installing port, reset set up in the installing port for after making the action the pawl resets.

8. The ratchet wrench of claim 7, wherein: the reset piece comprises a first spring and a first ball body, one end of the first spring is arranged in the mounting opening, the other end of the first spring is provided with the first ball body, and the first ball body is abutted against the side wall of the pawl under the action of the first spring.