CN106002806A - Universal turning tool for electric wrench - Google Patents

Abstract

The present invention proposes an electric wrench universal rotating tool, which includes a first steering component, and the first steering component includes a gear base, a driving bevel gear with a rod and a driven bevel gear with a rod, and the gear base is provided with two two gear seat holes perpendicular to each other, the driving bevel gear with rod includes a driving bevel gear and a driving rod, the driving rod is provided with a first groove, and the driven bevel gear with rod includes a driven bevel gear and a driven bevel gear. A driving rod, the driven rod is provided with a second groove, and the driving bevel gear with rod and the driven bevel gear with rod are respectively set in the first groove and the second groove by surrounding The two semi-circular copper sleeves on the groove are respectively fixed in the holes of the two gear seats, and the driving bevel gear and the driven bevel gear mesh in the gear seat. The steering tool of the present invention is small in volume, can make the electric wrench more suitable for narrow spaces such as interval switch cabinets, and can be widely used in the field of electric wrenches.

Description

Electric wrench universal turning tool

technical field

The invention relates to an electric wrench universal rotating tool and belongs to the technical field of electric wrenches.

Background technique

For a long time, tightening or loosening screws in a small space is time-consuming and labor-intensive. Especially in the case of emergency repairs in various industries, time is life and benefits. For example: in the emergency repair of electric power engineering, electric wrenches cannot be used in many places in the narrow switch cabinet, which greatly prolongs the time for emergency repair. Among the tools used today, there are mainly the following three tools that can change the transmission angle. The first is a multi-functional multi-head socket wrench, and the second is the universal joint in the socket combination tool. Their disadvantage is that they can only change the transmission direction at a small angle, cannot rotate at high speed, and cannot be applied to electric wrenches; the third is It is a flexible transmission tool for electric screwdrivers. Although this tool can be transformed into a transmission tool for electric wrench, in actual use, due to the small torque of this tool, it will be damaged when tightening screws with a diameter of 6 mm and above.

Contents of the invention

The invention overcomes the shortcomings of the prior art, and the technical problem to be solved is to provide an electric wrench universal rotating tool that can make the electric wrench suitable for narrow spaces.

In order to solve the above technical problems, the technical solution adopted by the present invention is: electric wrench universal rotating tool, which is characterized in that it includes a first steering component, and the first steering component includes a gear seat, and two gear seats are arranged in the gear seat. The gear seat holes are perpendicular to each other. The two gear seat holes are respectively provided with a driving bevel gear with a rod and a driven bevel gear with a rod. The driving bevel gear with a rod includes a driving bevel gear and a driving rod. The driven bevel gear includes a driven bevel gear and a driven rod, the driving rod is provided with a first groove near the driven bevel gear, and the driven rod is provided with a first groove near the driven bevel gear. Two grooves, the driving bevel gear with rod and the driven bevel gear with rod are respectively fixed on the gear seat by copper sleeves surrounding the first groove and the second groove Above, the driving bevel gear and the driven bevel gear mesh vertically.

Further, the upper surface and the lower surface of the gear seat are provided with through holes, and the copper sleeve is provided with screw holes corresponding to the through holes, and the fixing screws pass through the through holes and the screw holes to connect The copper sleeve is fixed on the gear seat.

Further, the end of the active rod is provided with a standard inner square interface, and the end of the driven rod is provided with a standard outer square interface.

Further, the electric wrench universal rotating tool is characterized in that it also includes a transmission part, the transmission part includes a connecting rod base and a transmission connecting rod arranged in the connecting rod base, the transmission connecting rod One end of the rod is a standard inner square interface, the other end of the transmission connecting rod is a standard outer square interface, the driven rod of the first steering component is connected to the sleeve head through the transmission component, or, the The active lever of the first steering component is in transmission connection with the electric wrench through the transmission component.

Further, the electric wrench universal rotating tool further includes a second steering component having the same structure as the first steering component, and one end of the transmission link of the transmission component is in transmission connection with the first steering component, The other end of the transmission connecting rod of the transmission component is in transmission connection with the second steering component.

Further, the copper sleeve is formed by combining two semi-circular copper arc plates.

Further, the gear seat is a cuboid with a size of 35mm*35mm*20mm, the length of the driving bevel gear with rod is 40mm, and the length of the driven bevel gear with rod is 35mm.

Compared with the prior art, the present invention has the following beneficial effects:

1. A universal rotating tool for an electric wrench proposed by the present invention includes a first steering part, in which a driving bevel gear with a rod and a driven bevel gear with a rod that are vertical to the transmission direction can be set in the first steering part to change the direction of the electric wrench. Transmission direction, in addition, the first steering part restricts the driving bevel gear with rod and the driven bevel gear with rod in the gear seat through the copper sleeve, avoiding the use of bearings for fixing, and the volume of the gear seat of the present invention can be greatly reduced to 35mm *35mm*20mm, making the electric wrench more suitable for screw installation and removal in narrow spaces such as partition switch cabinets.

2. An electric wrench universal rotating tool proposed by the present invention also includes a transmission part, and its first steering part is connected to the socket head or the electric wrench through the transmission part, so that the electric wrench can be more flexibly used for installation and disassembly of narrow and long space;

3. An electric wrench universal rotating tool proposed by the present invention also includes a second steering component, one end of the transmission link of the transmission component is connected to the first steering component in transmission, and the other end of the transmission link of the transmission component One end is in transmission connection with the second steering component, so that the universal rotating tool of the present invention can further change the transmission direction, and is suitable for narrow and long installation and disassembly spaces with corners.

Description of drawings

Fig. 1 provides the first embodiment of an electric wrench universal rotating tool for the present invention;

Fig. 2 is a schematic diagram of the exploded structure of the first steering part of the electric wrench universal rotating tool provided by the present invention;

Fig. 3 is the structural representation of copper sleeve;

Fig. 4 provides the second embodiment of an electric wrench universal rotating tool for the present invention;

Fig. 5 provides a third embodiment of an electric wrench universal rotating tool according to the present invention.

detailed description

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1 and 2, the present invention provides a first embodiment of an electric wrench universal rotating tool, the electric wrench universal rotating tool proposed in this embodiment includes a first steering component 1, and the first steering The component 1 includes a gear seat 11, on which two gear seat holes 111 perpendicular to each other are arranged, and the driving bevel gear 12 with a rod and the driven bevel gear with a rod are respectively arranged in the two gear seat holes 111 13. The driving bevel gear 12 with a rod includes a driving bevel gear 121 and a driving rod 122, the driven bevel gear 13 with a rod includes a driven bevel gear 131 and a driven rod 132, and the driving rod 122 is close to the The driving bevel gear 121 is provided with a first groove 123, and the driven rod 132 is provided with a second groove 133 close to the driven bevel gear 131. The first groove 123 and the second groove The slots 133 are respectively surrounded by a ring-shaped copper sleeve 14, and the copper sleeve 14 can be formed by combining two semi-circular arc-shaped plates 142, as shown in Figure 3, two semi-circular shaped plates The arc-shaped plates 142 are combined to form an annular sleeve 14. The inner diameter of the annular sleeve 14 is slightly larger than the radius of the first groove, so it can be sleeved between the first groove 123 and the first groove. on the second groove 133 . The driving bevel gear with rod and the driven bevel gear with rod are respectively fixed in the two gear seat holes 111 through one annular copper sleeve 14, and the driving bevel gear 12 with rod The driving bevel gear 121 meshes with the driven bevel gear 131 of the driven bevel gear 13 with the rod in the gear seat. In the present invention, the driving bevel gear 12 with rod and the driven bevel gear 13 with rod are limited in the gear seat 11 through the copper sleeve 14, and the use of bearings for fixing is avoided, so that the volume of the steering part of the present invention can be greatly reduced, and the The electric wrench is more suitable for screw installation and disassembly in narrow spaces such as interval switch cabinets. The steering part can change the transmission direction by 90 degrees. Its internal bevel gear can rotate 360 degrees to realize the universal function.

The upper surface and the lower surface of the gear seat 11 are provided with through holes 112, and the corresponding positions on the copper sleeve 14 sleeved on the driving bevel gear 12 with rod and the driven bevel gear 13 with rod are provided with screw hole 141 , the copper sleeve is fixed on the gear seat through screws arranged on the screw hole 141 and the through hole 112 .

The installation process of the first steering component 1 is as follows. After the two copper sleeves 14 are sleeved on the transmission rod 122 of the driving bevel gear 12 with a rod, the two copper sleeves 14 and the driving bevel gear 12 with a rod are put together Put it into the gear seat hole 111 on the gear seat 11, and pass the screws through the through holes 112 on the upper and lower surfaces of the gear seat respectively, and enter the screw holes 141 on the two copper sleeves 14 respectively, so that the belt rod is driven The bevel gear 12 is fixed in the gear seat 11 through a copper sleeve 14 . The installation method of the driven bevel gear 13 with the rod is basically the same as the driving bevel gear with the rod.

The end of the transmission rod 122 of the driving bevel gear with rod 12 is provided with a standard inner square interface 123 , and the end of the transmission rod 132 of the driven bevel gear with rod 13 is provided with a standard outer square interface 133 . The inner square interface 123 is used for connecting with the electric wrench, and the outer square interface 133 is used for connecting with the socket head.

Further, the size of the gear seat 11 may be 35mm*35mm*20mm. The total length of the driving bevel gear 12 with rod is 40 mm, the diameter of the driving rod is 16 mm, the thickness of the driving bevel gear 121 is 0.5 mm, the number of teeth of the gear is 18 teeth, the gear angle is 45 degrees, and the diameter of the driving rod near the driving bevel gear 121 It is processed to 12 mm to form a first groove 123 with a width of 10 mm. The connection part with the electric wrench, that is, the standard inner square interface 124 provided at the tail end of the active rod, has a length of 16mm, an outer section of a circle with a diameter of 20mm, and an inner section of a square with a side length of 12.8mm. The total length of the driven bevel gear 13 with rod is 35mm, the diameter of the driven rod is 16mm, the thickness of the gear is 0.5mm, the number of teeth of the gear is 18 teeth, and the angle is 45 degrees. The diameter of the driven rod 132 near the driven bevel gear 131 is processed into 12mm to form a second groove with a width of 10mm. A standard outer square interface 134 with a side length of 12.7 mm is provided at the connecting sleeve portion at the end of the driven rod 132 .

As shown in Figure 4, it is the second embodiment of an electric wrench universal rotating tool proposed by the present invention. The difference between this embodiment and the first embodiment is that in addition to the first steering part 1, it also includes a transmission part 2 , the transmission part 2 includes a connecting rod base 21 and a transmission connecting rod 22 arranged in the connecting rod base 21, one end of the transmission connecting rod 22 is a standard outer square interface 221, and the transmission connecting rod 22 The other end of the transmission link 22 is a standard inner square interface 222, the inner square interface 222 at one end of the transmission link 22 is set on the electric wrench drive shaft, and the outer square interface 221 at the other end of the transmission link 22 is set on the On the inner quadrangular interface 124 on the driving bevel gear 12 with rod of the first steering component 1, the outer quadrangular interface 134 on the driven bevel gear 13 with rod of the first steering component 1 is connected with the sleeve head, so that the first steering component 1 One end of a steering part 1 is connected to the electric wrench through the transmission part 2, and the other end is connected to the socket head, and can rotate the driving direction of the electric wrench by 90 degrees, and can adapt to the narrow and long installation and disassembly space.

In addition, in this embodiment, the inner quadrangular interface 222 at one end of the transmission link 22 may also be connected to the outer quadrangular interface 134 of the driven bevel gear 13 with the rod of the first steering component 1, the transmission link The outer four-corner interface 221 at the other end of 22 is connected to the sleeve head. At this time, the inner four-corner interface 124 of the driving bevel gear 12 with the rod of the first steering component 1 is connected to the transmission shaft of the electric wrench, so that the first steering The component 1 is in transmission connection with the sleeve head through the transmission component 2 . That is to say, the transmission part 2 can be installed between the first steering part 1 and the socket head, or between the first steering part 1 and the electric wrench according to the size of the actual installation and disassembly space. The electric wrench universal rotating tool of the embodiment enables the electric wrench to be more flexibly used in narrow and long installation and disassembly spaces.

As shown in Figure 5, it is the third embodiment of an electric wrench universal rotating tool proposed by the present invention. The difference between this embodiment and the second embodiment is that, except for the first steering part 1 and the transmission part 2, this embodiment An example of an electric wrench universal rotating tool further includes a second steering part 3 with the same structure as the first steering part 1, and the second steering part 3 is arranged between the transmission part 2 and the electric wrench, so The outer square interface 334 of the driven bevel gear 33 on the second steering part 3 is arranged in the inner square interface 222 of one end of the transmission link 22 of the transmission part 2, and the second steering part 3 is equipped with a rod The inner four-corner interface of the active bevel gear 32 is connected to the electric wrench; the connection between the transmission part 2 and the first transmission part 1 is the same as that of the second embodiment, that is, the outer four-corner interface at one end of the transmission link 22 of the transmission part 2 221 is set in the inner quadrangular interface 124 of the driving bevel gear 12 with the rod of the first steering component 1 . The outer four-corner interface of the driven bevel gear 13 with the rod of the first steering component 1 is connected with the sleeve head. The power is transmitted to the second steering part 3 through the electric wrench, and then to the socket head after passing through the transmission part 2 and the first steering part 1 . The universal rotating tool of this embodiment can further change the transmission direction of the universal wrench, so that the universal wrench can be used in narrow and long installation and disassembly spaces with corners.

An electric wrench universal rotating tool proposed by the present invention restricts the driving bevel gear with rod and the driven bevel gear with rod in the gear seat through the copper sleeve, avoiding the use of bearings for fixing, and can make the gear of the steering part in the present invention The volume of the seat is greatly reduced to 35mm*35mm*20mm, making the electric wrench more suitable for screw installation and disassembly in narrow spaces such as partition switch cabinets.

The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Within the scope of knowledge of those of ordinary skill in the art, various modifications can be made without departing from the gist of the present invention. kind of change.

Claims (7)

1. null1. electric wrench universal rotational instrument，It is characterized in that，Including the first turning member (1)，Described first turning member (1) includes pinion stand (11)，Two mutually perpendicular gear bore (111) it are provided with in described pinion stand (11)，Band bar driving bevel gear (12) and band bar driven bevel pinion (13) it is respectively arranged with in said two gear bore (111)，Described band bar driving bevel gear (12) includes driving bevel gear (121) and driving lever (122)，Described band bar driven bevel pinion (13) includes driven bevel pinion (131) and follower lever (132)，Described driving lever (122) is upper is provided with the first groove (123) near described driving bevel gear (121) place，Described follower lever (132) is upper is provided with the second groove (133) near described driven bevel pinion (131) place，Described band bar driving bevel gear (12) and described band bar driven bevel pinion (13) are respectively by being separately fixed on described pinion stand (11) around the copper sheathing (14) being set on described first groove (123) and described second groove (133)，Described driving bevel gear (121) and described driven bevel pinion (131) Vertical Meshing.
2. Electric wrench universal rotational instrument the most according to claim 1, it is characterized in that, the upper and lower surface of described pinion stand (11) is provided with through hole (112), be provided with the screw (141) corresponding with described through hole (112) on described copper sheathing (14), fixed screw pass described in state through hole (112) and described copper sheathing (14) is fixed on described pinion stand (11) by described screw (141).
3. Electric wrench universal rotational instrument the most according to claim 1, it is characterized in that, the end of described driving lever (122) is provided with interior corner interface (124) of standard, and the end of described follower lever (132) is provided with outer corner interface (134) of standard.
4. Electric wrench universal rotational instrument the most according to claim 3, it is characterized in that, also include drive disk assembly (2), described drive disk assembly (2) includes connecting rod pedestal (21) and the kinematic link (22) being arranged in described connecting rod pedestal (21), one end of described kinematic link (22) is corner interface (221) in standard, the other end of described kinematic link is outer corner interface (222) of standard, the follower lever (132) of described first turning member (1) is in transmission connection with collet head by described drive disk assembly (2), or, the driving lever (122) of described first turning member (1) is in transmission connection with electric wrench by described drive disk assembly (2).
5. Electric wrench universal rotational instrument the most according to claim 4, it is characterized in that, also include second turning member (3) identical with described first turning member (1) structure, one end of the kinematic link (22) of described drive disk assembly (2) is in transmission connection with described first turning member (1), together with the other end of the kinematic link (22) of described drive disk assembly is in transmission connection with described second turning member (3).
6. Electric wrench universal rotational instrument the most according to claim 1, it is characterised in that described copper sheathing (14) is combined by two copper arc plate (142) in semi-circular shape and is formed.
7. Electric wrench universal rotational instrument the most according to claim 1, it is characterized in that, described pinion stand (11) is cuboid, its a size of 35mm*35mm*20mm, a length of 40mm of described band bar driving bevel gear (12), a length of 35mm of described band bar driven bevel pinion (13).