CN213796218U

CN213796218U - Spanner for engineering machinery

Info

Publication number: CN213796218U
Application number: CN202022276160.2U
Authority: CN
Inventors: 杜文强
Original assignee: Xuzhou Ludun Machinery Manufacturing Co ltd
Current assignee: Xuzhou Ludun Machinery Manufacturing Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-07-27
Anticipated expiration: 2030-10-14

Abstract

The utility model provides a wrench for engineering machinery, which comprises a wrench head and a handle main body, wherein the bottom end of the wrench head is positioned inside the handle main body, the wrench head is provided with a left part and a right part, the inner side of the wrench head is provided with a clamping opening, wherein the bottom end of the left wrench head is provided with a first inclined rod, one end of the first inclined rod is fixed on the inner wall of the opposite wrench head, the bottom end of the right wrench head is provided with a second inclined rod, the second diagonal rod is hinged with the first diagonal rod through a first pin shaft, the first pin shaft is fixed on the handle main body, one end of the two oblique rods is movably connected with a linkage rod, a drawable pulling rod is arranged in the handle main body, the top end of the pulling rod is provided with a convex rod, the top end of the convex rod is movably connected with the linkage rod, and fastening screw rods are respectively arranged on two sides of the handle main body, and arc-shaped heads at the bottom ends of the fastening screw rods abut against the pulling rod.

Description

Spanner for engineering machinery

Technical Field

The utility model relates to an engineering machine tool technical field, concretely relates to spanner for engineering machine tool.

Background

Construction machines are an important component of the equipment industry. In general, mechanical equipment necessary for comprehensive mechanized construction works required for earth and stone construction works, road surface construction and maintenance, mobile lifting, loading and unloading operations, and various construction works is called as construction machinery. The manufacture of these machines requires tools such as wrenches because of the criticality and the assembly of the connections between the various parts that are usually required.

Among the prior art, some fasteners are not suitable for instrument such as current spanner to be dismantled like round nut, and round nut appearance generally is circular, and traditional hexagonal etc. have angular spanner and are not suitable for round nut, and general spanner specification all is fixed, does not follow the size of round nut and adjusts inconvenient use.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a wrench for engineering machinery, which solves the problems of the prior art.

In order to solve the technical problem, the utility model provides a following technical scheme:

a wrench for engineering machinery comprises a wrench head and a handle main body, wherein the bottom end of the wrench head is positioned inside the handle main body, the wrench head is provided with a left wrench head and a right wrench head, the inner side of the wrench head is provided with a clamping opening, wherein the bottom end of the left wrench head is provided with a first inclined rod, one end of the first inclined rod is fixed on the inner wall of the opposite wrench head, the bottom end of the right wrench head is provided with a second inclined rod, the second diagonal rod is hinged with the first diagonal rod through a first pin shaft, the first pin shaft is fixed on the handle main body, one end of the two oblique rods is movably connected with a linkage rod, a drawable pulling rod is arranged in the handle main body, the top end of the pulling rod is provided with a convex rod, the top end of the convex rod is movably connected with the linkage rod, and fastening screw rods are respectively arranged on two sides of the handle main body, and arc-shaped heads at the bottom ends of the fastening screw rods abut against the pulling rod.

Right the utility model discloses further description, slant pole one side still is equipped with integrated into one piece's anchor strut, the anchor strut with handle main part inner wall fixed connection.

To the utility model discloses further description, two one ends of slant pole through little round pin axle with the trace is articulated.

To the utility model discloses further description, trace one end through round pin axle two with protruding pole is articulated.

Right the utility model discloses further description, the inside pull chamber that is equipped with of handle main part, the pulling pole inserts the pull chamber, handle main part both sides are equipped with the screw and lead to the groove, the screw lead to the groove with pull chamber intercommunication, fastening lead screw with the screw leads to groove threaded connection, just the arc head of fastening lead screw bottom stretches into the screw leads to inslot portion and supports the pulling pole.

To the utility model discloses further description, the pulling rod is equipped with the gomphosis groove, the arc head of fastening lead screw bottom with gomphosis groove gomphosis.

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

the defects that the traditional hexagonal wrench with edges and corners is not suitable for round nuts and the specifications of the common wrench are fixed are overcome;

the design that the pulling rod drives the wrench head to close or open is adopted, the size of clamping can be adjusted according to the size of the round nut by utilizing the hinged relation among all parts, and the clamping is conveniently carried out for disassembly.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the fitting groove of the present invention;

fig. 4 is a schematic view of the fastening screw rod of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1, as shown in fig. 1-4:

the utility model provides a spanner for engineering machinery, including spanner head 1 and handle main part 3, spanner head 1 bottom is located inside handle main part 3, two about spanner head 1 is equipped with, spanner head 1 inboard is equipped with centre gripping mouth 2, wherein left spanner head 1 bottom is equipped with

diagonal bar

8, 8 one ends of diagonal bar are fixed in relative spanner head 1 inner wall, 1 bottom of spanner head on right side is equipped with diagonal bar two 12, it is articulated through round pin axle 7 between diagonal bar two 12 and the diagonal bar 8, round pin axle 7 is fixed in handle main part 3, two 12 one ends swing joint trace 11 of diagonal bar, the inside pulling rod 15 that can pull that is equipped with of handle main part 3, pulling rod 15 top is equipped with protruding pole 14, protruding pole 14 top and trace 11 swing joint, handle main part 3 both sides are equipped with fastening lead screw 6 respectively, support the arc head pulling rod 15 of fastening lead screw 6 bottom. In order to enhance the stability conveniently, an integrally formed reinforcing rod 9 is further arranged on one side of the first inclined rod 8, and the reinforcing rod 9 is fixedly connected with the inner wall of the handle main body 3. In order to facilitate the closing of the handle head, one end of the second inclined rod 12 is hinged to the linkage rod 11 through the small pin shaft 10, and one end of the linkage rod 11 is hinged to the protruding rod 14 through the second pin shaft 13. In order to fix the pulling rod, a pulling cavity 16 is arranged inside the handle main body 3, the pulling rod 15 is inserted into the pulling cavity 16, thread through grooves 17 are formed in two sides of the handle main body 3, the thread through grooves 17 are communicated with the pulling cavity 16, the fastening screw rod 6 is in threaded connection with the thread through grooves 17, the arc-shaped head at the bottom end of the fastening screw rod 6 extends into the thread through grooves 17 to abut against the pulling rod 15, the pulling rod 15 is provided with an embedding groove 18, and the arc-shaped head at the bottom end of the fastening screw rod 6 is embedded with the embedding groove 18.

In this embodiment, when the circular nut needs to be clamped for operation, the clamping opening 2 in the wrench head 1 is sleeved on the circular nut, and then the moving rod 5 is pulled outwards to move downwards along the pulling cavity 16, the coupling rod 11 is driven by the protruding rod 14 at the top end of the moving rod to move downwards, the coupling rod 11 drives the inclined rod two 12 to move downwards, so that the wrench head 1 on the right side approaches to the wrench head 1 on the left side, the clamping opening 2 between the two clamps the circular nut, the fastening screw rod 6 is screwed tightly, the arc-shaped end at the bottom end of the coupling rod abuts against the embedded groove 18 in the pulling rod 5, the pulling rod 5 is fixed, and the screw can be used at the moment.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases by those skilled in the art.

Claims

1. A wrench for engineering machinery comprises a wrench head (1) and a handle main body (3), wherein the bottom end of the wrench head (1) is positioned inside the handle main body (3), the wrench head (1) is provided with a left wrench head and a right wrench head, the inner side of the wrench head (1) is provided with a clamping opening (2), the bottom end of the left wrench head (1) is provided with a first diagonal rod (8), one end of the first diagonal rod (8) is fixed on the inner wall of the opposite wrench head (1), the bottom end of the wrench head (1) on the right side is provided with a second diagonal rod (12), the second diagonal rod (12) is hinged with the first diagonal rod (8) through a first pin shaft (7), the first pin shaft (7) is fixed on the handle main body (3), one end of the second diagonal rod (12) is movably connected with a linkage rod (11), a pull rod (15) capable of being pulled is arranged inside the handle main body (3), the handle is characterized in that a protruding rod (14) is arranged at the top end of the pulling rod (15), the top end of the protruding rod (14) is movably connected with the linkage rod (11), fastening screw rods (6) are arranged on two sides of the handle main body (3) respectively, and arc-shaped heads at the bottom ends of the fastening screw rods (6) are abutted to the pulling rod (15).

2. The wrench for engineering machinery according to claim 1, wherein a reinforcing rod (9) is integrally formed on one side of the first diagonal rod (8), and the reinforcing rod (9) is fixedly connected with the inner wall of the handle body (3).

3. The wrench as claimed in claim 1, wherein one end of the second diagonal bar (12) is hinged to the linkage bar (11) through a small pin (10).

4. The wrench as claimed in claim 1, wherein one end of the linkage rod (11) is hinged to the protrusion rod (14) through a second pin (13).

5. The wrench as claimed in claim 1, wherein a pulling cavity (16) is provided inside the handle body (3), the pulling rod (15) is inserted into the pulling cavity (16), threaded through grooves (17) are provided on both sides of the handle body (3), the threaded through grooves (17) communicate with the pulling cavity (16), the fastening screw (6) is in threaded connection with the threaded through grooves (17), and an arc-shaped head at the bottom end of the fastening screw (6) extends into the threaded through grooves (17) to abut against the pulling rod (15).

6. The wrench as claimed in claim 1, wherein the pulling rod (15) is provided with a fitting groove (18), and the arc-shaped head at the bottom end of the fastening screw rod (6) is fitted into the fitting groove (18).