CN209755037U

CN209755037U - Detachable nut screwing device

Info

Publication number: CN209755037U
Application number: CN201822210530.5U
Authority: CN
Inventors: 张远骥; 梁明强; 钟尚江; 杨开斌
Original assignee: Jiangxi Fg New Energy Transmission Technology Co Ltd
Current assignee: Jiangxi Fg New Energy Transmission Technology Co Ltd
Priority date: 2018-12-26
Filing date: 2018-12-26
Publication date: 2019-12-10
Anticipated expiration: 2028-12-26

Abstract

The utility model relates to the field of fastener installation tools, and discloses a detachable nut screwing device, which comprises a driving mechanism and a plurality of driven mechanisms detachably connected with the driving mechanism, wherein the driven mechanisms are arranged around the driving mechanism; the driving mechanism comprises a driving shaft and a driving gear fixedly sleeved on the driving shaft, and the driving shaft can rotate around the axis of the driving shaft; the driven mechanism comprises a shell, a rotating shaft and a driven gear, wherein the rotating shaft is arranged on the shell and can rotate relative to the shell, the driven gear is fixedly sleeved on the rotating shaft and matched with the driving gear, and a screwing head matched with a nut is arranged at one end of the rotating shaft. The utility model discloses a device is twisted to detachable nut can enough be a plurality of the follower uses in combination, twists a plurality of nuts of commentaries on classics simultaneously, also can dismantle back exclusive use, has realized that mobility is strong, can be adapted to the effect of different operation environments.

Description

detachable nut screwing device

Technical Field

The utility model relates to a fastener mounting tool field specifically relates to a device is twisted to detachable nut.

Background

During the mechanical assembly process, the screwing of the nut is one of the most important links. For example, nut turning tools are used in assembling automotive components such as differentials, transmissions, and automobile tires.

In the prior art, a plurality of nut screwing tools are combined together to form a detachable nut screwing device capable of screwing a plurality of nuts simultaneously. However, the detachable nut turning device is inconvenient to operate when turning a part with only one nut, and if other nut turning tools are adopted, idle waste of resources is caused. In addition, the nut screwing tool in the prior art is large in size and lack of maneuverability, and cannot be used for working when facing a narrow working space.

Therefore, it is necessary to provide a detachable nut turning device which is highly maneuverable and can cope with different working conditions.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mobility is strong, can be adapted to different operation environment's detachable nut and twist device of changeing.

In order to achieve the purpose, the utility model provides a detachable nut screwing device, which comprises a driving mechanism and a plurality of driven mechanisms detachably connected with the driving mechanism, wherein the driven mechanisms are arranged around the driving mechanism;

The driving mechanism comprises a driving shaft and a driving gear fixedly sleeved on the driving shaft, and the driving shaft can rotate around the axis of the driving shaft;

Driven mechanism includes the casing, install in the casing and can for casing rotatory rotation axis, fixed cover are established on the rotation axis and with drive gear assorted driven gear, rotation axis one end be equipped with nut assorted twist the head with the rotation axis can be dismantled and be connected.

Preferably, the driving mechanism comprises a first annular fixing plate and a second annular fixing plate which are parallel to each other and arranged at intervals, and the first annular fixing plate and the second annular fixing plate are rotatably sleeved on the driving shaft.

Preferably, the side surfaces of the first annular fixing plate and the second annular fixing plate are respectively provided with a plurality of cylindrical flanges;

The shell is provided with a groove matched with the cylindrical flange.

Preferably, the shell is provided with a semi-cylinder flange and a groove matched with the semi-cylinder flange.

Preferably, a half pin hole is arranged on the shell, and the half pin hole is configured as follows: the two half pin holes of the adjacent housings can be connected to form a pin hole into which a pin is inserted.

preferably, the driving shaft is driven by means of a wrench arranged at the end thereof, and the wrench is detachably connected with the driving shaft.

Preferably, the wrench comprises a wrench head, a key is arranged on the wrench head, and a concave groove matched with the key is formed in the driving shaft.

Preferably, a key groove and an annular groove matched with the key are arranged at one end, opposite to the twisting head, of the rotating shaft, and the axis of the annular groove is coincident with the axis of the rotating shaft.

preferably, the key groove is arranged in the annular groove, and the wrench head can extend into the annular groove and is matched with the key groove to twist the rotating shaft.

Preferably, the wrench comprises a handle connected with the wrench head, and the surface of the handle is provided with anti-skid grains.

Use the utility model provides an above-mentioned technical scheme detachable nut is twisted and is changeed device has following effect: the driven mechanism is detachably connected with the shell through the grooves formed in the shell and the semi-cylinder flanges which are matched with each other, and the driven mechanism is detachably connected with the driving mechanism through the grooves and the cylindrical flanges. Therefore, the utility model discloses a device is twisted to detachable nut can enough be a plurality of the follower uses in combination twists a plurality of nuts of changeing simultaneously, also can dismantle back exclusive use, has realized that mobility is strong, can be adapted to the effect of different operation environments.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

Fig. 1 is a schematic structural view of the detachable nut turning device of the present invention;

FIG. 2 is a schematic view of the drive mechanism;

FIG. 3 is a schematic view of the follower mechanism;

FIG. 4 is a schematic view of another angular configuration of the follower mechanism;

FIG. 5 is a schematic view of the wrench;

FIG. 6 is a view showing the engagement of the wrench and the follower.

Description of the reference numerals

1 driving mechanism and 2 driven mechanism

11 axle shaft 12 spanner

121 spanner 122 handle

1211 key 13 driving gear

14 first rolling bearing 15 second rolling bearing

16 first annular retaining plate 161 cylindrical flange

17 second annular fixed plate 21 rotating shaft

22 twisting head 23 driven gear

24 third rolling bearing 25 fourth rolling bearing

26 housing 261 groove

262 semi-cylindrical flange 263 groove

28 keyway 27 annular groove

264 half pin hole

Detailed Description

The following describes the embodiments of the present invention in detail. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the present invention, the use of the terms of orientation such as "upper and lower" in the case where no description is made to the contrary generally means the orientation in the assembled and used state. "inner and outer" refer to the inner and outer contours of the respective component itself.

The utility model provides a detachable nut screwing device, as shown in fig. 1-6, which comprises a driving mechanism 1 and a plurality of driven mechanisms 2 detachably connected with the driving mechanism 1, wherein the driven mechanisms 2 are arranged around the driving mechanism 1, and preferably, the driven mechanisms 2 are arranged into five; the driving mechanism 1 comprises a driving shaft 11 and a driving gear 13 fixedly sleeved on the driving shaft 11, and the driving shaft 11 can rotate around the axis of the driving shaft 11; the driven mechanism 2 comprises a shell 26, a rotating shaft 21 which is installed on the shell 26 and can rotate relative to the shell 26, and a driven gear 23 which is fixedly sleeved on the rotating shaft 21 and matched with the driving gear 13, wherein one end of the rotating shaft 21 is provided with a screwing head 22 matched with a nut.

In order to make the utility model discloses a detachable nut is twisted and is changeed device can adapt to the nut of different models, can with twist the turning head 22 set up to with the connection can be dismantled to rotation axis 21, like this, to the nut of different models only need change for with this nut assorted twist the turning head 22 can. Fig. 6 shows a structural relationship diagram of the wrench 121 and the driven mechanism 2 in a matching state.

In the above, a preferable arrangement manner for enabling the relative rotation between the rotary shaft 21 and the housing 26 is: a third rolling bearing 24 and a fourth rolling bearing 25 are sleeved on the rotating shaft 21, the third rolling bearing 24 and the fourth rolling bearing 25 are both fixedly connected with the shell 26, and the third rolling bearing 24 and the fourth rolling bearing 25 are rotatably connected with the rotating shaft 21. The driven gear 23 is disposed between the third rolling bearing 24 and the fourth rolling bearing 25.

Therefore, the utility model discloses a device is twisted to detachable nut can enough be a plurality of the follower uses in combination twists a plurality of nuts of changeing simultaneously, also can dismantle back exclusive use, has realized that mobility is strong, can be adapted to the effect of different operation environments.

According to the utility model discloses, actuating mechanism 1 includes the first cyclic annular fixed plate 16 and the second cyclic annular fixed plate 17 that are parallel to each other and the interval sets up, first cyclic annular fixed plate 16 with the second cyclic annular fixed plate 17 rotationally overlaps and establishes on the driving shaft 11. Preferably, in order to better realize that the driving shaft 11 and the first and second annular fixed plates 16 and 17 can rotate relatively, a first rolling bearing 14 and a second rolling bearing 15 are sleeved on the driving shaft 11, the first rolling bearing 14 and the second rolling bearing 15 are respectively and fixedly connected with the first and second annular fixed plates 16 and 17, and the first rolling bearing 14 and the second rolling bearing 15 are respectively located at two sides of the driving gear 13.

According to the present invention, the side surfaces of the first annular fixing plate 16 and the second annular fixing plate 17 are respectively provided with a plurality of cylinder flanges 161, preferably, a plurality of the cylinder flanges 161 surround the axis of the first annular fixing plate 16 and the second annular fixing plate 17 and are uniformly distributed on the side surfaces of the first annular fixing plate 16 and the second annular fixing plate 17. Further preferably, five cylindrical flanges 161 are disposed on each of the first annular fixing plate 16 and the second annular fixing plate 17.

In the present invention, the housing 26 is provided with a groove 263 adapted to the cylindrical flange 161. The housing 26 is provided with a semi-cylindrical flange 262 and a groove 261 matching with the semi-cylindrical flange 262. Specifically, five driven mechanisms 2 are detachably connected through the semi-cylindrical flanges 262 and the grooves 261; the driven mechanism 2 and the driving mechanism 1 are detachably connected with the cylinder flange 161 through a groove 263. More specifically, the semi-cylindrical flange 262 of one of the housings 26 is engaged with the groove 261 of the other adjacent driven mechanism 2, so that the driven mechanisms 2 can be detachably connected.

In order to further secure the screwing of the nuts between the driving mechanism 1 and the driven mechanism 2 and between the driven mechanism 2 and the driven mechanism 2 in the assembled condition, as shown in fig. 3, a half pin hole 264 is provided on the housing 26, the half pin hole 264 being configured to: the two half pin holes 264 of the adjacent housing 26 can be connected to be pin holes into which pins are inserted. Five driven mechanisms 2 can be further fixed by inserting pin shafts into the pin holes, and meanwhile, five driven mechanisms 2 and the driving mechanism 1 can also be further fixed.

the driving shaft 11 is driven by a wrench 12 arranged at the tail end of the driving shaft, and the wrench 12 is detachably connected with the driving shaft 11. The wrench 12 includes a wrench head 121, the wrench head 121 is provided with a key 1211, and the driving shaft 11 is provided with a recess 111 adapted to the key 1211. Preferably, the wrench 12 further comprises a handle 122 connected to the wrench head 121, and the surface of the handle 122 is provided with anti-slip threads.

In order to enable the independent use of the output drive 2, one end of the rotary shaft 21 opposite to the twisting head 22 is provided with a key groove 28 and an annular groove 27 which are matched with the key 1211, and the axis of the annular groove 27 is coincident with the axis of the rotary shaft 21. The key slot 28 is disposed in the annular groove 27, and the wrench head 121 can extend into the annular groove 27 and cooperate with the key slot 28 to twist the rotating shaft 21.

The working principle of the utility model is as follows:

based on the above connection method, when a plurality of nuts need to be screwed simultaneously, the driving mechanism 1 and the driving mechanism 2 are assembled, the assembly result is shown in fig. 1, then the screwing head 22 is aligned with the nut to be screwed, and the driving wrench 121 screws the nut.

When only one nut needs to be screwed, or the assembled detachable nut screwing device has no space for the reason that the space is too narrow, the detachable nut screwing device is disassembled (the matching relation between the disassembled single driven mechanism 2 and the wrench 12 is shown in fig. 6) based on the connection mode, and then the wrench 12 is driven to screw the nut through the matching between the wrench 12 and the driven mechanism 2.

The above detailed description describes the preferred embodiments of the present invention, but the present invention is not limited to the details of the above embodiments, and the technical idea of the present invention can be within the scope of the present invention, and can be right to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. A detachable nut screwing device is characterized by comprising a driving mechanism (1) and a plurality of driven mechanisms (2) detachably connected with the driving mechanism (1), wherein the driven mechanisms (2) are arranged around the driving mechanism (1);

The driving mechanism (1) comprises a driving shaft (11) and a driving gear (13) fixedly sleeved on the driving shaft (11), and the driving shaft (11) can rotate around the axis of the driving shaft;

Driven mechanism (2) include casing (26), install in casing (26) and can for casing (26) rotatory rotation axis (21), fixed cover are established rotation axis (21) go up and with drive gear (13) assorted driven gear (23), rotation axis (21) one end is equipped with twists head (22) with nut assorted, twist head (22) with rotation axis (21) can dismantle the connection.

2. The removable nut turning apparatus of claim 1, wherein: the driving mechanism (1) comprises a first annular fixing plate (16) and a second annular fixing plate (17) which are parallel to each other and arranged at intervals, and the first annular fixing plate (16) and the second annular fixing plate (17) are rotatably sleeved on the driving shaft (11).

3. the removable nut turning apparatus of claim 2, wherein: the side surfaces of the first annular fixing plate (16) and the second annular fixing plate (17) are respectively provided with a plurality of cylindrical flanges (161);

The shell (26) is provided with a groove (263) matched with the cylindrical flange (161).

4. The removable nut turning apparatus of claim 1, wherein: and a semi-cylinder flange (262) and a groove (261) matched with the semi-cylinder flange (262) are arranged on the shell (26).

5. the removable nut turning apparatus of claim 1, wherein: a half pin hole (264) is arranged on the shell (26), and the half pin hole (264) is configured as follows: the two half pin holes (264) of the adjacent housings (26) can be connected to form a pin hole into which a pin is inserted.

6. The removable nut turning apparatus of claim 1, wherein: the driving shaft (11) is driven by a wrench (12) arranged at the tail end of the driving shaft, and the wrench (12) is detachably connected with the driving shaft (11).

7. The removable nut turning apparatus of claim 6, wherein: the wrench (12) comprises a wrench head (121), a key (1211) is arranged on the wrench head (121), and a concave groove (111) matched with the key (1211) is formed in the driving shaft (11).

8. the removable nut turning apparatus of claim 7, wherein: one end of the rotating shaft (21) opposite to the twisting head (22) is provided with a key groove (28) and an annular groove (27) which are matched with the key (1211), and the axis of the annular groove (27) is coincident with the axis of the rotating shaft (21).

9. the removable nut turning apparatus of claim 8, wherein: the key groove (28) is arranged in the annular groove (27), and the wrench head (121) can extend into the annular groove (27) and is matched with the key groove (28) to twist the rotating shaft (21).

10. The removable nut turning apparatus of any one of claims 7 to 9, wherein: the wrench (12) comprises a handle (122) connected with the wrench head (121), and anti-skid grains are arranged on the surface of the handle (122).