Connecting device for electric wrench and sleeve

Abstract

The utility model discloses a connecting device for an electric wrench and a sleeve, which is characterized in that a plurality of first shaft holes and two second shaft holes are formed in a shell in a penetrating manner, and the electric wrench and the sleeve respectively penetrate through the second shaft holes to be connected with a gear with a shaft and a gear with a hole, so that the electric wrench drives the sleeve to rotate. According to the connecting device, when the electric wrench is inserted into the connecting hole of the gear with the hole to drive the sleeve connected with the connecting shaft of the gear with the shaft to rotate, the electric wrench and the connecting device do not need to rotate around the sleeve, and therefore the electric wrench can be used in a narrow space, and radial connection of the sleeve and the electric wrench is achieved. The space usability of the electric wrench is improved, and the working efficiency of tightening and loosening fastening pieces such as bolts and screws is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric wrenches, and specifically, to a connecting device between an electric wrench and a socket. Background Art

[0002] Electric wrenches and sockets are commonly used tools in modern industry, mainly used for tightening or loosening fasteners such as bolts and screws. However, the existing connection method between an electric wrench and a socket is direct shaft-hole connection or connection using an intermediate extension rod, only realizing the change in the axial length of the socket. In the actual use environment of machinery maintenance in a cigarette factory, there are fasteners such as bolts and screws in narrow spaces for disassembly and assembly. When the electric wrench is connected to the socket and the socket is connected to the bolt, the entire axial distance is too long, resulting in the electric wrench not being able to fit into the narrow space, and only manual tools can be used, which greatly increases the time for tightening and loosening fasteners such as bolts and screws, increases the labor intensity of operators, and reduces work efficiency.

[0003] Patent CN202210749722.1 discloses a high-torque electric wrench tool with the function of high-torque quick disassembly and assembly, which solves the problem that the existing electric wrench lacks the function of quickly twisting steel bars, so that when an operator needs to quickly realize the operation of threaded steel bars and straight threaded sleeves, there is no corresponding electrical component support; Patent CN202410304022.0 discloses an electric wrench, providing an electric wrench that can mark the tightened nut when tightening the nut, greatly improving the use efficiency of the wrench. The above electric wrench tools have the functions of increasing torque and marking nuts, but do not realize the connection function between the electric wrench and the socket in a narrow space. Summary of the Utility Model

[0004] In order to solve the technical problems existing in the prior art, the purpose of the utility model is to provide a connecting device between an electric wrench and a socket to realize the connection between the electric wrench and the socket.

[0005] The utility model solves the above problems through the following technical solutions:

[0006] A connecting device between an electric wrench and a socket includes: a housing, through which a plurality of first shaft holes and two second shaft holes are provided; the electric wrench and the socket respectively pass through the second shaft holes and are connected to a shafted gear and a perforated gear, so that the electric wrench drives the socket to rotate; a connecting gear, the small shaft of the connecting gear is matched with the first shaft hole, and a plurality of connecting gears are meshed and installed in the housing; a shafted gear, the shafted gear is meshed with the connecting gear at one end in the housing and is arranged in the housing, and the connecting shaft of the shafted gear is correspondingly arranged with the second shaft hole; a perforated gear, the perforated gear is meshed with the connecting gear at the other end in the housing and is arranged in the housing, and the connecting hole of the perforated gear is correspondingly arranged with the other second shaft hole.

[0007] As a further improvement of the present utility model, the connecting gears are set to an odd number.

[0008] As a further improvement of the present utility model, the connecting gears are set to three.

[0009] As a further improvement of the present utility model, snap rings are provided on the outer circumferences of the perforated gear and the shafted gear, and clamping grooves are formed in the housing to cooperate with them.

[0010] As a further improvement of the present utility model, a plurality of screw holes are penetrated through the housing to install the upper housing and the lower housing of the housing by screws.

[0011] As a further improvement of the present utility model, the screw holes are set to four and are respectively arranged on both sides of the connecting gears.

[0012] As a further improvement of the present utility model, the screw holes are counterbore screw holes.

[0013] As a further improvement of the present utility model, a plurality of first gear grooves for arranging the connecting gears and second gear grooves for arranging the perforated gear and the shafted gear are formed in the housing; the first shaft hole is arranged at the central position of the first gear groove, and the second shaft hole is arranged at the central position of the second gear groove.

[0014] As a further improvement of the present utility model, the number of teeth of the perforated gear and the shafted gear is the same, and the gear number ratio of the connecting gear to the perforated gear is 1:2.

[0015] As a further improvement of the present utility model, both the first shaft hole and the second shaft hole are circular.

[0016] Compared with the prior art, the present utility model has the following advantages and beneficial effects:

[0017] For the connecting device of the present utility model, when an electric wrench is inserted into the connecting hole of the perforated gear to drive the sleeve connected to the connecting shaft of the shafted gear to rotate, it is not necessary for the electric wrench and the connecting device to rotate around the sleeve. Therefore, the electric wrench can be used in a narrow space, realizing the radial connection between the sleeve and the electric wrench, improving the usability of the electric wrench in space, and improving the working efficiency of tightening and loosening fasteners such as bolts and screws. Description of the Drawings

[0018] Figure 1 It is a schematic internal view of a connecting device between an electric wrench and a sleeve of the present utility model;

[0019] Figure 2 It is a schematic external view of a connecting device between an electric wrench and a sleeve of the present utility model;

[0020] Figure 3 Schematic diagram of the cooperation between the upper shell and the lower shell of the housing of the present utility model;

[0021] Figure 4 Schematic diagram of the internal structure of the housing of the present utility model.

[0022] Reference numerals:

[0023] 1. Housing; 11. Screw hole; 2. Shafted gear; 21. Connecting shaft; 22. Second gear groove; 3. Connecting gear; 31. First gear groove; 4. Holed gear; 41. Connecting hole. Detailed implementation manners

[0024] To make the objectives, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar components or components with the same or similar functions throughout. The described embodiments are some, but not all, of the embodiments of the present application. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and should not be construed as a limitation to the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the scope of protection of the present application.

[0025] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0026] In the description of the present application, it should be noted that unless otherwise clearly defined and limited, the terms "mounted", "connected" and "connected" should be understood in a broad sense. For example, it may be a fixed connection, or an indirect connection through an intermediate medium, or the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0027] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is the orientation or positional relationship based on the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0028] In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or display that comprises a series of steps or units need not be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to those processes, methods, products or displays.

[0029] The following will be combined with Figure 1 , and a connection device for an electric wrench and a socket will be described in detail for the embodiments of the present application. It should be noted that the following embodiments are only used to explain the present application and do not constitute a limitation to the present application.

[0030] Embodiment

[0031] A connection device for an electric wrench and a socket, comprising:

[0032] A housing, on which a plurality of first shaft holes and two second shaft holes are provided through. The electric wrench and the socket respectively pass through the second shaft holes and are connected to a shafted gear and a perforated gear, so that the electric wrench drives the socket to rotate;

[0033] A connecting gear, the small shaft of the connecting gear is matched with the first shaft hole, and a plurality of connecting gears are meshed and installed in the housing;

[0034] A shafted gear, the shafted gear is meshed with a connecting gear at one end in the housing and is arranged in the housing, and the connecting shaft of the shafted gear is arranged corresponding to the second shaft hole;

[0035] A perforated gear, the perforated gear is meshed with a connecting gear at the other end in the housing and is arranged in the housing, and the connecting hole of the perforated gear is arranged corresponding to the other second shaft hole.

[0036] In a further technical solution, snap rings are arranged on the outer circumferences of the perforated gear and the shafted gear, and clamping grooves are formed in the housing to cooperate with them.

[0037] In an optional embodiment, a plurality of first gear grooves for arranging connecting gears and second gear grooves for arranging the perforated gear and the shafted gear are formed in the housing; the first shaft hole is arranged at the center position of the first gear groove, and the second shaft hole is arranged at the center position of the second gear groove.

[0038] Preferably, both the first shaft hole and the second shaft hole are circular. Of course, the first shaft hole and the second shaft hole can also be square or other shapes, as long as the electric wrench and the socket can rotate in the second shaft hole, the electric wrench can drive the socket to rotate, and the first shaft hole can be matched with the small shaft of the connecting gear.

[0039] In a specific embodiment, in combination with the attached Figures 1-4As shown, a connecting device for an electric wrench and a socket has a shell 1, and two holes are opened on the shell 1, one of which is convenient for one end of the electric wrench to be inserted into the connecting hole 41 of the hole gear 4 in the shell, and the other hole is convenient for the socket to be inserted into the connecting shaft 21 of the shaft gear 2; the hole gear 4 and the shaft gear 2 are both arranged in the shell, and a plurality of connecting gears 3 are arranged between the hole gear 4 and the shaft gear 2. In this embodiment, three connecting gears 3 are arranged; preferably, the number of connecting gears is an odd number to ensure that the rotation directions of the hole gear 4 and the shaft gear 2 are consistent.

[0040] The gear with hole 4 and the gear with shaft 2 are connected by several connecting gears 3. The overall length of the device can be controlled by increasing or decreasing the number of connecting gears 3, so as to be suitable for different use environments; the connecting gear 3 is fixed and rotated on the housing 1 through the small shaft in the middle; the outer circumference of the gear with hole 4 and the gear with shaft 2 is provided with a retaining spring, and a retaining groove matching therewith is formed in the housing, and the retaining groove and the retaining spring are matched to realize the installation of the gear with hole 4 and the gear with shaft 2, and the gear with hole 4 and the gear with shaft 2 are fixed and rotated on the housing 1 through the retaining spring thereon. After the device is connected with the electric wrench and the sleeve, the electric wrench provides a rotation or reverse rotation to rotate the gear with hole 4, driving the multiple connecting gears 3 and the gear with shaft 2 meshing therewith to rotate, thereby realizing the forward or reverse rotation of the sleeve connected to the connecting shaft 21, and realizing the connection function between the electric wrench and the sleeve.

[0041] In an optional embodiment, the housing is formed by covering an upper housing and a lower housing, and the upper housing and the lower housing are respectively provided with four screw holes, and the lower housing and the lower housing are connected and installed by four screws. Optionally, the screw holes are countersunk screw holes.

[0042] Preferably, the four screw holes 11 are evenly arranged on both sides of the connecting gear 3 .

[0043] In another optional embodiment, the upper shell and the lower shell are similar in shape and structure, and are both formed with a plurality of first gear grooves 31 for setting the connecting gear 3, and a second gear groove 22 for setting the gear 4 with a hole and the gear 2 with an axis; wherein a first axial hole is provided at the center of the first gear groove so as to cooperate with the small shaft of the connecting gear 3 through the first axial hole to install the connecting gear 3; and a connecting hole 41 and a second axial hole respectively cooperating with the connecting shaft 21 are provided at the center of the second gear groove so as to cooperate with the electric wrench and the socket.

[0044] In this embodiment, the number of gears of the hole gear 4 and the shaft gear 2 is the same, and the ratio of the number of gears of the connecting gear 3 and the hole gear 4 is 1:2. Of course, it can also be adjusted according to the situation.

[0045] A connecting device for an electric wrench and a socket. By using this device, when the electric wrench is inserted into the connecting hole of the perforated gear to drive the socket connected to the connecting shaft of the shafted gear to rotate, it is not necessary for the electric wrench and the device to rotate around the socket, thus solving the problem that the electric wrench cannot be used in a narrow space, realizing the radial connection between the socket and the electric wrench, improving the usability of the electric wrench in space, and improving the working efficiency of tightening and loosening fasteners such as bolts and screws.

[0046] Although the present invention has been described herein with reference to illustrative embodiments of the present invention, the above embodiments are only the preferred embodiments of the present invention, and the embodiments of the present invention are not limited by the above embodiments. It should be understood that those skilled in the art can design many other modifications and embodiments, and these modifications and embodiments will fall within the scope and spirit of the principles disclosed in this application.

Claims

1. A connecting device for an electric wrench and a socket, characterized in that: include: The housing is provided with a plurality of first axial holes and two second axial holes, and the electric wrench and the sleeve are respectively connected to the shaft gear and the hole gear through the second axial holes, so that the electric wrench drives the sleeve to rotate; A connecting gear, a small shaft of the connecting gear matches with the first shaft hole, and a plurality of connecting gears are meshed and installed in the housing; A shaft gear, the shaft gear is meshed with a connecting gear at one end of the housing and is arranged in the housing, and the connecting shaft of the shaft gear is arranged corresponding to the second shaft hole; The gear with a hole is meshed with the connecting gear at the other end of the shell and is arranged in the shell. The connecting hole of the gear with a hole is arranged corresponding to the other second shaft hole.

2. The connecting device of an electric wrench and a socket according to claim 1, characterized in that: The connecting gears are arranged in odd number.

3. The connecting device of an electric wrench and a socket according to claim 2, characterized in that: The number of connecting gears is three.

4. The connecting device of an electric wrench and a socket according to claim 1, characterized in that: The outer circumferences of the gear with holes and the gear with shaft are both provided with retaining springs, and retaining grooves cooperating with the retaining springs are formed in the shell.

5. The connecting device of an electric wrench and a socket according to claim 1, characterized in that: The shell is also provided with a plurality of screw holes so as to install the upper shell and the lower shell of the shell by screws.

6. The connecting device of an electric wrench and a socket according to claim 5, characterized in that: The number of screw holes is four and they are respectively arranged on both sides of the connecting gear.

7. The connecting device of an electric wrench and a socket according to claim 5, characterized in that: The screw holes are countersunk screw holes.

8. The connecting device of an electric wrench and a socket according to claim 1, characterized in that: The shell is provided with a plurality of first gear slots for setting connecting gears, and a second gear slot for setting gears with holes and gears with shafts; the first shaft hole is arranged at the center position of the first gear slot, and the second shaft hole is arranged at the center position of the second gear slot.

9. The connecting device of an electric wrench and a socket according to claim 1, characterized in that: The number of gears of the gear with holes and the gear with shaft is the same, and the ratio of the number of gears of the connecting gear to the gear with holes is 1:

2.

10. The connecting device of an electric wrench and a socket according to claim 1, characterized in that: The first axial hole and the second axial hole are both circular.

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