T-shaped end structure for electric wrench

Abstract

The utility model discloses a T-shaped end head structure for an electric wrench, which comprises an end head body which is of a cylindrical end head structure, and further comprises a positioning structure used for realizing quick positioning and mounting and a material reducing structure used for meeting mold forming and manufacturing requirements, the positioning structure is arranged at one end of the end head body, and the material reducing structure is arranged at the other end of the end head body. The end head structure has the advantages that the structure is simple, the positioning structure is arranged, the end head structure can be rapidly positioned and installed through the positioning groove, the end head structure can be grabbed and transferred in the production process so as to meet the automatic production requirement of the end head structure, the material reducing structure is arranged, the production efficiency is improved, and the production cost is reduced. By means of the center material reducing hole, the end structure can be produced through the metal injection molding technology and directly formed through a mold, a traditional forging and machining production mode is replaced, the end structure meets the strength requirement, the production efficiency is improved, the cost is greatly reduced, and the requirement for large-batch production and machining of wrench ends can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of electric wrenches, in particular to a T-shaped end structure for electric wrenches. Background Art

[0002] In the prior art, an electric wrench refers to an electric tool for tightening and loosening bolts and nuts. It is a tool for tightening high-strength bolts. It usually includes a main unit and a hexagonal wrench sleeve detachably assembled on the main unit for use with a hexagonal nut. It is widely used in the fields of construction, mechanical processing, etc. due to its advantages of high efficiency and speed. However, the wrench sleeve structure in the prior art is relatively complex, and usually adopts a columnar end structure, which cannot achieve rapid positioning and installation. During the production process, it cannot meet the production needs of automatic grasping and transportation of its end structure. In addition, in the production process of traditional electric wrench ends, forging and machining are usually used to produce the electric wrench ends, which has low production efficiency and high production cost, and cannot achieve mass production and processing of the ends.

[0003] The Chinese utility model patent with application number: 202321515447.3 discloses an electric wrench drill chuck, which includes: a chuck sleeve and a chuck cap installed on the chuck sleeve, characterized in that: the lower end of the chuck sleeve is the bottom of the sleeve; the bottom of the sleeve has a hollow structure, a hole is opened on the ring wall of the bottom of the sleeve, and a limiter is embedded in the hole; a clamping rod with 2-5 petals is inserted into the top of the chuck sleeve, and the 2-5 petals of the clamping rod are surrounded to form a clamp; the tail end of each petal of the clamping rod is provided with a clamping rod thread; a clamping rod oblique groove that matches the shape of the clamping rod is obliquely opened in the chuck sleeve, and a rotary disk is inserted into the outer wall of the chuck sleeve, and an internal thread is provided on the inner wall of the rotary disk; an external thread is provided around the outer wall; and the internal thread engages with the rod thread. However, the structure of this type of electric wrench drill chuck is relatively complex, and it is impossible to quickly position and install the end structure. During the production process, the end structure cannot be grasped and transported to meet the needs of automated production. The electric wrench end can only be produced and manufactured by forging and machining, which has low production efficiency and high production cost, and cannot achieve large-scale production and processing of the end. Utility Model Content

[0004] The utility model aims to provide a T-shaped terminal structure for an electric wrench.

[0005] In order to achieve the above purpose, the technical solution proposed by the utility model is:

[0006] A T-shaped end structure for an electric wrench, including an end body. The end body is a cylindrical end structure, and further includes a positioning structure for realizing quick positioning and installation, and a material-reducing structure for meeting the requirements of mold forming and manufacturing. The positioning structure is arranged at one end of the end body, and the material-reducing structure is configured inside the end body.

[0007] The two ends of the end body are respectively an assembly end and a clamping end. The positioning structure is located at the assembly end of the end body. The outer side of the clamping end of the end body is set as a four-corner stud structure, and the connection between the assembly end and the clamping end is set as an arc-shaped fillet structure.

[0008] The positioning structure includes a mounting seat and positioning grooves. The mounting seat is arranged at the assembly end of the end body and is integrally formed with the end body. There are two groups of the positioning grooves, and the two groups of positioning grooves are symmetrically arranged at both ends of the mounting seat and are located on the side of the mounting seat away from the end body.

[0009] The mounting seat includes an end seat and positioning parts. There are two groups of the positioning parts, and the two groups of positioning parts are symmetrically arranged on both sides of the end seat and are integrally formed with the end seat. The positioning parts are shuttle-shaped pointed structures. The two groups of positioning grooves are respectively arranged on one side of the two groups of positioning parts. The two groups of positioning parts and the end seat together form a symmetrical wing-shaped seat body structure.

[0010] The material-reducing structure includes a mounting groove and a central material-reducing hole. The mounting groove is arranged at the assembly end of the end body and penetrates through the mounting seat. The central material-reducing hole is arranged at the bottom of the mounting groove and is located inside the assembly end and the clamping end of the end body. The central material-reducing hole is communicated with the mounting groove.

[0011] The diameter of the central material-reducing hole is smaller than the diameter of the mounting groove, and a chamfer structure is provided at the connection between the mounting groove and the central material-reducing hole.

[0012] The connection between the mounting groove and the mounting seat is set as a central hole structure. The connection between the mounting seat and the end body is set as an arc-shaped chamfer structure. The mounting seat and the end body together form a T-shaped end structure.

[0013] It further includes a connecting block and a connecting end. The connecting block is arranged at the clamping end of the end body and is integrally formed with the end body. The connecting end is arranged at the end of the connecting block away from the end body and is integrally formed with the connecting block. The connecting block and the connecting end together form a cap-shaped end structure.

[0014] The beneficial effects of the present utility model are:

[0015] The structure is simple and is provided with a positioning structure. Through the positioning groove, the quick positioning and installation of the end structure can be realized. During the production process, the end structure can be grasped and transported to meet the requirements of its automated production. It is provided with a material-reducing structure. Through the central material-reducing hole, the end structure can be produced by the metal injection molding process, directly molded by a mold, replacing the traditional forging and machining production methods. This kind of end structure can meet the strength requirements, improve the production efficiency, and greatly reduce the cost, and can meet the mass production and processing requirements of the wrench end. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic view of the overall structure of the present utility model;

[0017] Figure 2 is a side view of the end body of the present utility model;

[0018] Figure 3 is a schematic view of the cooperation between the positioning structure and the end body of the present utility model;

[0019] Figure 4 is a sectional view of the cooperation between the material-reducing structure and the end body of the present utility model.

[0020] In the figure: 1, end body; 2, mounting seat; 3, positioning groove; 4, mounting groove; 5, central material-reducing hole; 6, connecting block; 7, connecting end. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The present utility model will be further described in detail below with reference to the accompanying drawings.

[0022] A T-shaped end structure for an electric wrench includes an end body 1. The end body 1 is a cylindrical end structure, and further includes a positioning structure for realizing quick positioning and installation and a material-reducing structure for meeting the requirements of mold forming manufacturing. The positioning structure is arranged at one end of the end body 1, and the material-reducing structure is disposed inside the end body 1. The schematic view of the overall structure of the present utility model is as Figure 1 shown.

[0023] The two ends of the end body 1 are respectively an assembly end and a clamping end. The positioning structure is located at the assembly end of the end body 1. The outer side of the clamping end of the end body 1 is provided with a four-corner stud structure, and the connection between the assembly end and the clamping end is provided with an arc-shaped fillet structure. Among them, the assembly end is used to provide installation support for the positioning structure, and the clamping end is used to realize the installation connection between the end and the electric wrench through the four-corner stud structure. The side view of the end body 1 of the present utility model is as Figure 2 shown.

[0024] The positioning structure includes a mounting base 2 and positioning grooves 3. The mounting base 2 is arranged at the assembly end of the end head body 1 and is integrally formed with the end head body 1. There are two groups of positioning grooves 3, which are symmetrically arranged at both ends of the mounting base 2 and on the side of the mounting base 2 away from the end head body 1. The positioning structure is formed by the cooperation of the mounting base 2 and the positioning grooves 3 to constitute the positioning structure of the assembly end of the end head body 1, so as to realize the rapid positioning and installation of the end head structure. Among them, the mounting base 2 is used as the mounting structure of the assembly end of the end head body 1 to meet the installation requirements of the end head structure, and can provide installation support for the positioning grooves 3. The positioning grooves 3 are used as the positioning structure on the mounting base 2 to realize the rapid positioning and installation of the end head structure and meet the grasping requirements of automated production. The schematic diagram of the cooperation between the positioning structure of the present utility model and the end head body 1 is as Figure 3 shown.

[0025] The mounting base 2 includes an end head seat and positioning parts. There are two groups of positioning parts, which are symmetrically arranged on both sides of the end head seat and are integrally formed with the end head seat. The positioning parts are shuttle-shaped pointed structures. The two groups of positioning grooves 3 are respectively arranged on one side of the two groups of positioning parts. The two groups of positioning parts and the end head seat together constitute a symmetric wing-shaped seat body structure. Among them, the symmetric wing-shaped seat body structure can realize the rapid positioning and installation of the end head structure.

[0026] The material reduction structure includes a mounting groove 4 and a central material reduction hole 5. The mounting groove 4 is arranged at the assembly end of the end head body 1 and penetrates the mounting base 2. The central material reduction hole 5 is arranged at the bottom of the mounting groove 4 and inside the assembly end and the clamping end of the end head body 1. The central material reduction hole 5 is communicated with the mounting groove 4. The diameter of the central material reduction hole 5 is smaller than the diameter of the mounting groove 4. A chamfer structure is provided at the connection between the mounting groove 4 and the central material reduction hole 5. The connection between the mounting groove 4 and the mounting base 2 is set as a central hole structure. The connection between the mounting base 2 and the end head body 1 is set as an arc chamfer structure. The mounting base 2 and the end head body 1 together constitute a T-shaped end head structure. The material reduction structure is formed by the cooperation of the mounting groove 4 and the central material reduction hole 5 to meet the production requirements of the injection molding process, so that the end head structure can be directly molded by a mold. Among them, the mounting groove 4 is used as the mounting structure on the end head body 1 to meet the installation requirements of the end head structure. The central material reduction hole 5 is used to meet the production requirements of the injection molding process so that the end head structure can be directly molded by a mold. The cross-sectional view of the cooperation between the material reduction structure of the present utility model and the end head body 1 is as Figure 4 shown.

[0027] It further includes a connecting block 6 and a connecting end 7. The connecting block 6 is arranged at the clamping end of the end body 1 and is integrally formed with the end body 1. The connecting end 7 is arranged at the end of the connecting block 6 away from the end body 1 and is integrally formed with the connecting block 6. The connecting block 6 and the connecting end 7 together form a cap-shaped end structure. Among them, the connecting block 6 is used to connect the connecting end 7 with the end body 1, and the connecting end 7 is used to jointly form the connecting part at the end of the end structure with the connecting block 6, so as to realize the installation connection between the end structure and the electric wrench.

[0028] Working principle:

[0029] By adding a positioning groove 3 to the mounting seat 2 at the assembly end of the end body 1, the quick positioning and installation of the end structure can be realized, and the grasping requirements for automated production can be met. There is a central material-reducing hole 5, and the end structure can be produced by the metal injection molding process, directly molded by a mold, replacing the traditional forging and machining production. The end structure produced by the metal injection molding process can not only meet the strength requirements but also increase the production efficiency and greatly reduce the production cost.

[0030] The beneficial effects of the present utility model are that the structure is simple, provided with a positioning structure, and the quick positioning and installation of the end structure can be realized through the positioning groove. During the production process, the end structure can be grasped and transported to meet the requirements of its automated production. It is provided with a material-reducing structure, and the end structure can be produced by the metal injection molding process through the central material-reducing hole, directly molded by a mold, replacing the traditional forging and machining production methods. This kind of end structure can not only meet the strength requirements but also increase the production efficiency and greatly reduce the cost, and can meet the mass production and processing requirements of the wrench end.

[0031] The above has described in detail an embodiment of the present utility model, but the content is only the preferred embodiment of the present utility model and cannot be considered as used to limit the scope of implementation of the present utility model. All equal changes and improvements made according to the scope of the application of the present utility model should still fall within the scope covered by the patent of the present utility model.

Claims

1. A T-shaped end structure for an electric wrench, comprising an end body (1), wherein the end body (1) is a cylindrical end structure, and is characterized in that, It also includes a positioning structure for realizing quick positioning and installation, and a material reduction structure for meeting the requirements of die forming manufacturing. The positioning structure is arranged at one end of the end head body (1), and the material reduction structure is configured inside the end head body (1).

2. The T-shaped end structure for an electric wrench according to claim 1, characterized in that The two ends of the end head body (1) are respectively an assembly end and a clamping end. The positioning structure is located at the assembly end of the end head body (1). The outer side of the clamping end of the end head body (1) is set as a four-corner stud structure, and the connection part between the assembly end and the clamping end is set as an arc-shaped fillet structure.

3. The T-shaped end structure for an electric wrench according to claim 2, characterized in that, The positioning structure includes a mounting seat (2) and a positioning groove (3). The mounting seat (2) is arranged at the assembly end of the end head body (1) and is integrally formed with the end head body (1). There are two groups of the positioning grooves (3), and the two groups of the positioning grooves (3) are symmetrically arranged at both ends of the mounting seat (2) and are located on the side of the mounting seat (2) away from the end head body (1).

4. The T-shaped end structure for an electric wrench according to claim 3, characterized in that, The mounting seat (2) includes an end head seat and positioning parts. There are two groups of the positioning parts, and the two groups of the positioning parts are symmetrically arranged on both sides of the end head seat and are integrally formed with the end head seat. The positioning parts are shuttle-shaped pointed structures. The two groups of the positioning grooves (3) are respectively arranged on one side of the two groups of the positioning parts. The two groups of the positioning parts and the end head seat together form a symmetrical wing-shaped seat body structure.

5. The T-shaped end structure for an electric wrench according to claim 4, characterized in that, The material reduction structure includes a mounting groove (4) and a central material reduction hole (5). The mounting groove (4) is arranged at the assembly end of the end head body (1) and penetrates through the mounting seat (2). The central material reduction hole (5) is arranged at the bottom of the mounting groove (4) and is located inside the assembly end and the clamping end of the end head body (1). The central material reduction hole (5) is communicated with the mounting groove (4).

6. The T-shaped end structure for an electric wrench according to claim 5, wherein, The diameter of the central material reduction hole (5) is smaller than the diameter of the mounting groove (4). A chamfer structure is provided at the connection part between the mounting groove (4) and the central material reduction hole (5).

7. The T-shaped end structure for an electric wrench according to claim 6, characterized in that, The connection part between the mounting groove (4) and the mounting seat (2) is set as a central hole-shaped structure. The connection part between the mounting seat (2) and the end head body (1) is set as an arc-shaped chamfer structure. The mounting seat (2) and the end head body (1) together form a T-shaped end head structure.

8. The T-shaped end structure for an electric wrench according to claim 7, characterized in that, It also includes a connecting block (6) and a connecting end head (7). The connecting block (6) is arranged at the clamping end of the end head body (1) and is integrally formed with the end head body (1). The connecting end head (7) is arranged at the end of the connecting block (6) away from the end head body (1) and is integrally formed with the connecting block (6). The connecting block (6) and the connecting end head (7) together form a cap-shaped end head structure.

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