Narrow space assembling torque switching device
By designing a torque transfer device for narrow spaces for complex-shaped electromechanical products, the 90° conversion of the torque direction is achieved using bevel gear transmission, the problem that the fastening screws cannot apply torque in the narrow space is solved, and the accuracy and feasibility of torque application are achieved.
Patent Information
- Application Number
- CN202510105941.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2025-04-08
AI Technical Summary
During the tight space assembly process of complex-shaped electromechanical products, the problem of the fastening screws being unable to apply torque.
A torque adapter device is designed to assemble a narrow space, including a rotary adapter, an adapter bracket, a transmission gear assembly and a torque screwdriver adapter. The torque direction is converted by the transmission of the bevel gear and connected to a standard torque screwdriver.
It realizes the application of torque to the fastening screw in a narrow space, solves the problem of the inability to apply torque, and eliminates the calculation error of torque conversion, making the torque application more accurate.
Smart Images

Figure CN119772822A_ABST
Abstract
Description
Technical Field
[0001] The invention discloses a torque conversion device for narrow space assembly, relates to the technical field of narrow space assembly, and in particular to a torque conversion device suitable for applying torque during the narrow space assembly process of electromechanical products with complex shapes. Background Art
[0002] At present, in the field of complex-shaped electromechanical product assembly, complex-shaped products containing a large number of flexible cables are usually assembled manually, and standard torque screwdrivers are used to operate the installation screws that require torque. For some parts with complex shapes and narrow operating space, the standard torque screwdriver has no operating space due to the interference of components and cannot apply torque. Summary of the invention
[0003] The purpose of the present invention is to provide a torque conversion device for assembling in a narrow space, so as to solve the problem that a fastening screw in a narrow space cannot apply torque.
[0004] A torque conversion device for assembling a narrow space comprises a screwdriver adapter 3, characterized in that it also comprises an adapter bracket A2, an adapter bracket B4, a transmission gear assembly 1 and a torque screwdriver adapter 5; the adapter bracket A2 comprises a bracket A oblique beam 21, a bracket A vertical rod 22 and a bracket A cross bar 23, the bracket A vertical rod 22 and the bracket A cross bar 23 are perpendicular to each other, and the oblique beam A21 connects the bracket A vertical rod 22 and the bracket A cross bar 23 together; the bracket A vertical rod 22 and the bracket A cross bar 23 are in the same plane and have a semicircular groove in their respective length directions; the corresponding adapter bracket B4 comprises an oblique beam B41, a bracket B vertical rod 42 and a bracket B cross bar 43, the bracket B vertical rod 42 and the bracket B cross bar 43 are perpendicular to each other, and the oblique beam B41 connects the bracket B vertical rod 42 and the bracket B cross bar 43 together; the bracket B vertical rod 42 and the bracket B cross bar 43 are in the same plane and have a semicircular groove in their respective length directions; 4 are butted together with the semicircular grooves on one side, and the inclined beams A21 that are butted together are fixedly connected with bolts, so that the adapter bracket A2 and the adapter bracket B4 form a vertical hole in the vertical direction, the screwdriver adapter 3 is inserted into the vertical hole, and the adapter bracket A2 and the adapter bracket B4 form a horizontal hole in the horizontal direction, and the round rod 51 of the torque screwdriver adapter 5 is inserted into the horizontal hole; a bevel gear A11 is fixedly connected to the lower end of the screwdriver adapter 3 passing through the vertical hole, and a bevel gear B12 is fixedly connected to the end of the round rod 51 of the torque screwdriver adapter 5 passing through the horizontal hole; the teeth of the bevel gear A11 and the bevel gear B12 are connected together;
[0005] When in use, the required screwdriver is installed on the screwdriver adapter 3, and the outer end of the torque screwdriver adapter 5 is connected to a standard torque screwdriver.
[0006] The bevel gear A11 and the bevel gear B12 of the transmission gear assembly 1 are bevel gears of the same specification and the same number of teeth, and the torque transmission ratio is 1:1.
[0007] The invention solves the problem that the tightening screws cannot apply torque in a narrow space in the field of assembly of electromechanical products with complex shapes. The invention realizes a 90° conversion of the torque direction. BRIEF DESCRIPTION OF THE DRAWINGS
[0008] Figure 1 , is a schematic diagram of the structure of the present invention;
[0009] Figure 2 , is a front view of the present invention;
[0010] Figure 3 , is a bottom view of the present invention;
[0011] Figure 4 , is a left side view of the present invention;
[0012] Figure 5 , is a schematic diagram of the bevel gear B12 of the present invention;
[0013] Figure 6 , is a schematic diagram of the adapter bracket A of the present invention;
[0014] Figure 7 , is a schematic diagram of the screwdriver adapter of the present invention;
[0015] Figure 8 , is a schematic diagram of the adapter bracket B of the present invention;
[0016] Fig. 9 , is a schematic diagram of the torque screwdriver adapter of the present invention.
[0017] Among them, 1 is the transmission gear assembly, 2 is the adapter bracket A, 3 is the screwdriver adapter, 4 is the adapter bracket B4, 5 is the torque screwdriver adapter, 11 is the bevel gear A, 12 is the bevel gear B, 21 is the inclined beam of bracket A, 22 is the vertical rod of bracket A, 23 is the cross bar of bracket A, 41 is the inclined beam B41, 42 are the vertical rods of bracket B, 43 is the cross bar of bracket B, 51 is the round rod, and 52 is the torque adapter end. DETAILED DESCRIPTION
[0018] A torque conversion device for assembling a narrow space comprises a screwdriver adapter 3, characterized in that it also comprises an adapter bracket A2, an adapter bracket B4, a transmission gear assembly 1 and a torque screwdriver adapter 5; the adapter bracket A2 comprises a bracket A oblique beam 21, a bracket A vertical rod 22 and a bracket A cross bar 23, the bracket A vertical rod 22 and the bracket A cross bar 23 are perpendicular to each other, and the oblique beam A21 connects the bracket A vertical rod 22 and the bracket A cross bar 23 together; the bracket A vertical rod 22 and the bracket A cross bar 23 are in the same plane and have a semicircular groove in their respective length directions; the corresponding adapter bracket B4 comprises an oblique beam B41, a bracket B vertical rod 42 and a bracket B cross bar 43, the bracket B vertical rod 42 and the bracket B cross bar 43 are perpendicular to each other, and the oblique beam B41 connects the bracket B vertical rod 42 and the bracket B cross bar 43 together; the bracket B vertical rod 42 and the bracket B cross bar 43 are in the same plane and have a semicircular groove in their respective length directions; 4 are butted together with the semicircular grooves on one side, and the inclined beams A21 that are butted together are fixedly connected with bolts, so that the adapter bracket A2 and the adapter bracket B4 form a vertical hole in the vertical direction, the screwdriver adapter 3 is inserted into the vertical hole, and the adapter bracket A2 and the adapter bracket B4 form a horizontal hole in the horizontal direction, and the round rod 51 of the torque screwdriver adapter 5 is inserted into the horizontal hole; a bevel gear A11 is fixedly connected to the lower end of the screwdriver adapter 3 passing through the vertical hole, and a bevel gear B12 is fixedly connected to the end of the round rod 51 of the torque screwdriver adapter 5 passing through the horizontal hole; the teeth of the bevel gear A11 and the bevel gear B12 are connected together;
[0019] When in use, the required screwdriver is installed on the screwdriver adapter 3, and the outer end of the torque screwdriver adapter 5 is connected to a standard torque screwdriver.
[0020] The bevel gear A11 and the bevel gear B12 of the transmission gear assembly 1 are bevel gears of the same specification and the same number of teeth, and the torque transmission ratio is 1:1.
[0021] The invention is described in detail below with reference to the accompanying drawings.
[0022] like Figure 1 As shown, the narrow space assembly torque conversion device mentioned is used to meet the torque application requirements of tightening screws during the narrow space assembly process of complex-shaped electromechanical products. The device is composed of a transmission gear assembly 1, an adapter bracket A2, a screwdriver adapter 3, an adapter bracket B4, a torque screwdriver adapter 5 and other parts.
[0023] The torque screwdriver adapter 5 is connected to the standard torque screwdriver to provide the required torque value for the device. The transmission gear assembly 1 is a bevel gear with the same specification and the same number of teeth. The torque transmission ratio is 1:1, which can realize a 90° rotation in the torque direction without changing the magnitude of the torque, thereby eliminating the calculation error of the torque conversion and making the torque application more accurate; the driver adapter 3, as the output end of the torque, can realize the work of applying torque to the screw, and different drivers can be replaced according to screws of different types and specifications; the adapter bracket A 2 and the adapter bracket B 4 jointly play a clamping role for fixing the driver adapter 3 and the torque screwdriver adapter 5.
[0024] A torque transfer device using bevel gears as a transmission mode is used to meet the narrow space operation requirements of products with complex shapes. It is characterized in that the torque transfer device is composed of a transmission gear assembly 1, an adapter bracket A 2, a screwdriver adapter 3, an adapter bracket B 4, a torque screwdriver adapter 5 and other parts. The transmission gear assembly 1 can realize a 90° conversion of the torque direction and a 1:1 transmission of the torque magnitude; the screwdriver adapter 3 can realize the work of applying torque to the screw, and different screwdrivers can be replaced according to screws of different types and specifications; the torque screwdriver adapter 5 can realize the connection between the torque transfer device and the standard torque screwdriver to provide a specified torque input; the adapter bracket A 2 and the adapter bracket B 4 jointly play a clamping role, which is used to fix the screwdriver adapter 3 and the torque screwdriver adapter 5.
[0025] The present invention is applicable to a torque transfer device that uses bevel gears as a transmission mode, and realizes torque transfer through the transmission of bevel gears to complete the narrow space assembly of complex-shaped products. The present invention relates to the field of narrow space assembly, and based on the structural form and characteristics of bevel gear transmission, realizes the application of torque during the assembly process of complex-shaped products, forming a non-standard torque transfer device. In the field of assembly of electromechanical products with complex structures, it involves the application of torque to a large number of screws in narrow spaces. The operating space is limited during the assembly process, and the traditional torque screwdriver is difficult or even impossible to operate. The application of torque can only be completed by making specific special-shaped tooling. This narrow space assembly torque transfer device uses bevel gears, adapter brackets, and adapters of the same specifications to rotate the direction of force by 90°, which solves the problem that torque cannot be applied in a narrow space, and the number of gear teeth is the same, the transmission ratio is 1:1, and the torque transmission only changes the direction of the torque without changing the magnitude. At the same time, the calculation error of torque conversion is eliminated, making the torque application more accurate.
Claims
1. A torque transfer device for assembling in a narrow space, comprising a screwdriver adapter 3, characterized in that: The invention also comprises an adapter bracket A (2), an adapter bracket B (4), a transmission gear assembly (1) and a torque screwdriver adapter (5); the adapter bracket A (2) comprises an inclined beam (21) of the bracket A, a vertical rod (22) of the bracket A and a cross rod (23) of the bracket A, the vertical rod (22) of the bracket A and the cross rod (23) of the bracket A are perpendicular to each other, and the inclined beam (21) connects the vertical rod (22) of the bracket A and the cross rod (23) of the bracket A together; the vertical rod (22) of the bracket A and the cross rod (23) of the bracket A each have a semicircular groove in the same plane in the length direction; the corresponding adapter bracket B (4) comprises an inclined beam (41), a vertical rod (42) of the bracket B and a cross rod (43) of the bracket B, the vertical rod (42) of the bracket B and the cross rod (43) of the bracket B are perpendicular to each other, and the inclined beam (41) connects the vertical rod (42) of the bracket B and the cross rod (43) of the bracket B together; The B vertical rod (42) and the bracket B cross rod (43) each have a semicircular groove in the same plane in the respective length directions; the adapter bracket A (2) and the adapter bracket B (4) are butted together at the sides having the semicircular groove, and the butted oblique beams A (21) are fixedly connected together by bolts, so that the adapter bracket A (2) and the adapter bracket B (4) form a vertical hole in the vertical direction, the screwdriver adapter (3) is inserted into the vertical hole, the adapter bracket A (2) and the adapter bracket B (4) form a horizontal hole in the horizontal direction, and the round rod (51) of the torque screwdriver adapter (5) is inserted into the horizontal hole; a bevel gear A (11) is fixedly connected to the lower end of the screwdriver adapter (3) passing through the vertical hole, and a bevel gear B (12) is fixedly connected to the end of the round rod (51) of the torque screwdriver adapter (5) passing through the horizontal hole; the bevel gear A (11) and the bevel gear B (12) are connected together by teeth; When in use, a required screwdriver is installed on the screwdriver adapter (3), and the outer end of the torque screwdriver adapter (5) is connected to a standard torque screwdriver.
2. A torque transfer device for assembly in a narrow space according to claim 1, characterized in that: The bevel gear A (11) and bevel gear B (12) of the transmission gear assembly (1) are bevel gears with the same specifications and the same number of teeth, and the torque transmission ratio is 1:1.