CN207087734U - Multi-square long-length torque electric wrench - Google Patents

Abstract

The utility model belongs to the field of machinery, more specifically relates to a many long torque electric spanner of position. The multi-direction rotary wrench is a strip-shaped structure formed by connecting a plurality of steel shafts, and a steel sleeve is sleeved outside the steel shaft; one end of the multi-azimuth rotary wrench is provided with a first bearing, the other end of the multi-azimuth rotary wrench is provided with a second bearing, inner rings of the first bearing and the second bearing are connected with the steel shaft, and an outer ring of the first bearing and the second bearing is connected with the steel sleeve; a sleeve is further arranged outside the first bearing. The utility model provides a many azimuth length moment electric spanner, through setting up the many azimuth length moment rotary spanner of flexible coupling, combine variable speed motor and locating sleeve, etc., have realized the dismouting to screw, screw rod of the narrow space that different directions, different planes and ordinary tool are difficult to reach; the utility model discloses simple structure, convenient operation.

Description

A multi-directional long torque electric wrench

technical field

The utility model belongs to the field of machinery, and more specifically relates to a multi-directional long-torque electric wrench.

Background technique

The power machines of some electric wrenches that appear on the market currently use high-speed, low-torque motors; a large transmission mechanism is used between the power machine and the working mechanism. The motors on the market adopt the transmission mechanism forms: planetary gear transmission, involute small tooth difference gear transmission, cycloid small tooth difference gear transmission, etc. The electric wrench in the prior art is very inconvenient when assembling screws and screw rods in some pipes or narrow spaces, and cannot enter the narrow space for operation. However, these places need electric wrench to operate, even if it is manual operation. For the inconvenience.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a multi-directional long-torque electric wrench. By setting a long-torque wrench device that can rotate in multiple directions, it solves the problem of screw and screw rods in different directions, different planes and narrow spaces. disassembly problem.

In order to solve the above problems, the technical solution provided by the utility model is: a multi-directional long-torque electric wrench, which includes a motor and a multi-directional rotary wrench connected to the motor. The multi-directional rotary wrench is composed of multiple steel shafts A strip structure composed of connections, the steel shaft is provided with a steel sleeve; one end of the multi-directional rotary wrench is provided with a first bearing, and the other end is provided with a second bearing, and the inner parts of the first bearing and the second bearing are The ring is connected with the steel shaft, and the outer ring is connected with the steel sleeve; the first bearing is also provided with a sleeve.

In the utility model, the multi-directional rotary wrench is a long strip structure, which is composed of a plurality of steel shafts connected. The steel shaft is covered with a steel sleeve composed of multi-section soft steel sleeves. The steel sleeve can fold the long multi-directional rotary wrench into various structures to realize multi-directional disassembly; the sleeve is connected with the screw or screw to be disassembled, and the screw is firmly positioned through the sleeve to open the motor. , to drive the multi-directional rotary wrench to rotate, so as to realize the disassembly and assembly of screws and screw rods.

Further, an inner sleeve shaft is also included, and the inner sleeve shaft is connected with the inner ring of the second bearing. The inner sleeve shaft is connected with the motor, and the torque is transmitted through the inner sleeve shaft.

Further, the steel sheath is composed of multi-section soft steel sheath connections. The steel sleeve is set as a structure composed of multi-section soft steel sleeve connections. On the one hand, it realizes the protection of the steel shaft, and on the other hand, it can also realize bending in any direction.

Further, it also includes a positioning plug, and the positioning plug is inserted in the sleeve. Setting the positioning and plugging in the sleeve can make the connection tighter, and prevent the connection with the screw and the screw rod from being not tightly connected and falling off when the wrench of the utility model is used.

Further, the motor includes a gearbox, the gearbox is provided with a main shaft, and the main shaft is connected to the inner sleeve shaft. The inner sleeve shaft is connected with the motor to control the rotation speed of the motor gearbox, and the torque is transmitted through the inner sleeve shaft to realize the rotation of the multi-directional rotary wrench.

Compared with the prior art, the beneficial effect is: the multi-directional long-torque electric wrench provided by the utility model realizes the multi-directional long-torque rotary wrench with flexible connection, combined with variable-speed motor and positioning sleeve, etc. Disassembly and assembly of screws and screw rods in different directions, different planes and narrow spaces that are difficult to reach with ordinary tools; the utility model has a simple structure and is easy to operate.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the utility model.

Detailed ways

The accompanying drawings are for illustrative purposes only, and should not be construed as limitations on this patent; in order to better illustrate this embodiment, certain components in the accompanying drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art It is understandable that some well-known structures and descriptions thereof may be omitted in the drawings. The positional relationship described in the drawings is for illustrative purposes only, and should not be construed as a limitation on this patent.

As shown in Figure 1, a multi-directional long-torque electric wrench includes a motor 1 and a multi-directional rotary wrench connected to the motor 1. The multi-directional rotary wrench is a strip structure composed of multiple steel shafts 2 connected. The steel shaft 2 The outer casing is provided with a steel sleeve 3; one end of the multi-directional rotary wrench is provided with a first bearing 4, and the other end is provided with a second bearing 5, the inner rings of the first bearing 4 and the second bearing 5 are connected to the steel shaft 3, and the outer ring It is connected with the steel sleeve 3; the first bearing 4 is also provided with a sleeve 6.

In the utility model, the multi-directional rotary wrench has a long strip structure, which is composed of a plurality of steel shafts 2 connected. The steel shaft 2 is covered with a steel sleeve 3 composed of multiple soft steel sleeves 3 connected. The sleeved multi-section steel sleeve 3 can realize the folding of the elongated multi-directional rotary wrench into various structures to realize multi-directional disassembly and assembly; the sleeve 6 is connected with the screw or screw to be disassembled, and the sleeve 6 Firmly position the screw rod, turn on the motor 1, and drive the multi-directional rotary wrench to rotate, thereby realizing the disassembly and assembly of the screw and the screw rod.

Specifically, an inner sleeve shaft 7 is also included, and the inner sleeve shaft 7 is connected with the inner ring of the second bearing 5 . The inner sleeve shaft 7 is connected with the motor 1, and the torque is transmitted through the inner sleeve shaft 7.

Wherein, the steel sleeve 3 is composed of multiple joints of soft steel sleeves 3 connected. The steel sleeve 3 is set as a structure composed of multiple joints of soft steel sleeves 3, on the one hand, the protection of the steel shaft 2 is realized, and on the other hand, bending in any direction can also be realized.

In addition, it also includes a positioning plug, and the positioning plug is arranged in the sleeve 6 . Setting the positioning and plugging in the sleeve 6 can make the connection tighter, and prevent the connection with the screw and the screw rod from being not tightly connected and falling off when the wrench of the present utility model is used.

Wherein, the motor 1 includes a gearbox 9, the gearbox 9 is provided with a main shaft 8, and the main shaft 8 is connected with the inner sleeve shaft 7. The inner sleeve shaft 7 is connected with the motor 1 to control the rotational speed of the motor 1 gearbox 9, and the torque is transmitted through the inner sleeve shaft 7 to realize the rotation of the multi-directional rotary wrench.

In the utility model, the main shaft 8 on the motor 1 is connected with the inner sleeve shaft 7, the inner sleeve shaft 7 is connected with the inner ring of the second bearing 5, and the inner rings of the first bearing 4 and the second bearing 5 are connected with the steel shaft 2 connection, the outer ring is connected with the steel sleeve 3. When in use, when the motor 1 starts to rotate, the main shaft 8 on the motor 1 drives the inner sleeve shaft 7 to rotate, and the inner sleeve shaft 7 drives the inner ring of the second bearing 5 to rotate, thereby The second shaft 5 drives the steel shaft 2 to rotate, and the steel shaft 2 drives the inner ring of the first bearing 4 to rotate. The sleeve 6 on the first bearing 4 is connected with a screw or screw rod, and the sleeve 6 is driven to rotate by the first bearing 4 Thereby driving the screw or the screw rod to rotate, thereby realizing the disassembly and installation of the screw rod.

Apparently, the above-mentioned embodiments of the present utility model are only examples for clearly illustrating the present utility model, rather than limiting the implementation manner of the present utility model. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. All modifications, equivalent replacements and improvements made within the spirit and principles of the utility model shall be included in the protection scope of the claims of the utility model.

Claims (5)

1. a kind of multi-party bit length torque electric wrench, it is characterised in that including motor（1）With motor（1）The multi-faceted rotation of connection Turn spanner, described multi-directional rotation spanner is by multiple steel shafts（2）Connect the strip structure of composition, steel shaft（2）It is arranged with outside Steel bushing（3）；One end of described multi-directional rotation spanner is provided with clutch shaft bearing（4）, the other end is provided with second bearing（5）, it is described Clutch shaft bearing（4）, second bearing（5）Inner ring and steel shaft（2）Connection, outer ring and steel bushing（3）Connection；Described clutch shaft bearing （4）It is additionally provided with sleeve outside（6）.

2. a kind of multi-party bit length torque electric wrench according to claim 1, it is characterised in that also including inner sleeve axle（7）, Described inner sleeve axle（7）With second bearing（5）Inner ring connection.

A kind of 3. multi-party bit length torque electric wrench according to claim 1, it is characterised in that described steel bushing（3）For By more piece mild steel set（3）Connection composition.

A kind of 4. multi-party bit length torque electric wrench according to claim 1, it is characterised in that also include positioning plug, Described positioning plug is located at sleeve（6）It is interior.

A kind of 5. multi-party bit length torque electric wrench according to claim 2, it is characterised in that described motor（1）Bag Include gearbox（9）, described gearbox（9）It is provided with main shaft（8）, described main shaft（8）With inner sleeve axle（7）Connection.