CN218875340U

CN218875340U - Nut fastening tool

Info

Publication number: CN218875340U
Application number: CN202320248303.XU
Authority: CN
Inventors: 陈忠华; 陈明华; 许婷婷; 陈宇; 许年娥
Original assignee: Zhuhai Yongyang Technology Co ltd
Current assignee: Zhuhai Yongyang Technology Co ltd
Priority date: 2023-02-19
Filing date: 2023-02-19
Publication date: 2023-04-18
Anticipated expiration: 2033-02-19

Abstract

The utility model discloses a nut fastening frock relates to mechanical assembly's technical field, including the fixed stay pole, the fixed stay pole left end portion rotates and is connected with the third pivot, tip fixed mounting has the joint cover under the third pivot, joint cover internal symmetry is equipped with the joint piece, the outer tip fixed mounting of joint piece has the limiting plate, the inboard front and back symmetry of adjacent limiting plate is equipped with the lead screw, be equipped with the regulation swivel nut between the adjacent lead screw, a tip that the joint cover was kept away from to the fixed stay pole rotates and is connected with first pivot, first pivot left side is equipped with the second pivot, first pivot and second pivot are connected through setting up meshing complex first gear and second gear respectively, third pivot and second pivot upper end fixed mounting have driven sprocket and drive sprocket respectively, connect through the chain belt between driven sprocket and the drive sprocket. This application not only low in manufacturing cost, and can carry out size adjustment for fastening application range to the nut is wider.

Description

Nut fastening tool

Technical Field

The utility model relates to a mechanical assembly's technical field specifically is a nut fastening frock.

Background

For the assembly of the engine, it is a complicated project. The method not only simply connects qualified parts and components together, but also finally ensures the assembly quality of products through a plurality of operations such as adjustment, assembly, inspection and the like according to the technical requirements of assembly. It mainly includes washing, connection, correction, adjustment and joins in marriage work, balanced and the experimental work item of acceptance test, because the accurate assembly of assembly work plays important role to follow-up work, assembly work needs spacious and audio-visual assembly condition usually, can utilize the machine to carry out batch assembly, in case relate to when assembling in narrow and small space, often need manual control spanner, frock and other appurtenance to go on. The application number is CN201710190891.5, the name is a patent of a mechanical arm tooling mechanism for nut assembly in a narrow space, and the circumferential nut assembly connection of an assembly object is effectively realized through mutual cooperation among a motor, a supporting component, a lifting mechanism, a transmission mechanism, an attitude control mechanism and an executing mechanism, so that circumferential rotation and fixation can be realized. Through the two-degree-of-freedom conversion motion of the actuating mechanism, the pre-tightening work of a plurality of groups of nuts is effectively finished. However, the motor, the supporting component, the lifting mechanism, the transmission mechanism, the attitude control mechanism, the actuating mechanism and the like are adopted, so that the manufacturing cost and the complexity of the fastening tool are greatly increased, and the popularization and the use are not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nut fastening frock to fastening frock manufacturing cost and complexity among the prior art that proposes in solving above-mentioned background art are high, and are unfavorable for the problem of using widely.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a nut fastening frock, includes fixed stay bar, fixed stay bar left end portion rotates to be connected with the third pivot and the passing of third pivot fixed stay bar, the lower tip fixed mounting of third pivot has the joint cover, the lateral symmetry is equipped with the joint piece around the inside of joint cover, lateral symmetry is equipped with the limiting plate around the outside of joint cover, the limiting plate is through piercing through the connecting axle of joint cover and with being close to mutually joint piece fixed connection is adjacent the inboard symmetry is equipped with lead screw, and is adjacent be equipped with the regulation swivel nut between the lead screw, a tip that joint cover was kept away from to fixed stay bar rotates and is connected with first pivot, first pivot left side is equipped with the second pivot, the second pivot pierces through fixed stay bar and rotates to be connected on fixed stay bar, first pivot and second pivot are fixed mounting respectively have first gear and second gear, first gear and second gear intermeshing, tip fixed mounting has the poke bar under the first pivot, third pivot and second pivot upper end fixed mounting have driven sprocket and drive sprocket respectively, through connecting chain belt and drive sprocket between the drive sprocket.

Preferably, the first rotating shaft, the second rotating shaft and the third rotating shaft are all parallel to each other, and the second rotating shaft is arranged between the first rotating shaft and the third rotating shaft.

Preferably, two ends of the adjusting screw sleeve are respectively in threaded connection with the two guide screws, and the thread directions of the two guide screws are opposite.

Preferably, the limiting plate, the guide screw and the adjusting threaded sleeve are all located below the fixed supporting rod, and the center line of the adjusting threaded sleeve is perpendicular to the center line of the third rotating shaft.

Preferably, the length of the first rotating shaft is smaller than that of the second rotating shaft.

Preferably, the chain belt and the poke rod are respectively arranged at the upper side and the lower side of the fixed support rod.

Preferably, the driven sprocket and the driving sprocket are both arranged above the fixed support rod, and the first gear and the second gear are arranged below the fixed support rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this fastening frock suitable for narrow and small space of inner chamber through adopting first pivot, second pivot, third pivot, chain belt, driven sprocket and drive sprocket's setting, through changeing the stirring pole, with the help of the connected mode of gear and sprocket and chain belt, can make the third pivot rotate, and then drive the joint cover and rotate, can fasten the nut of joint, easy operation, convenient to use, and manufacturing cost is lower, and the fastening that is applicable to narrow and small space is used.

2. This fastening frock suitable for narrow and small space of inner chamber is adjusting the swivel nut in the rotation, can make the lead screw that the symmetry set up inwards simultaneously or outwards move simultaneously for the interval increase of joint piece or reduce, thereby can be applicable to the nut of equidimension not, be worth using widely.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic bottom view of the present invention.

In the figure: 1. fixing the support rod; 2. clamping and connecting a sleeve; 3. a third rotating shaft; 4. a driven sprocket; 5. a clamping block; 6. a limiting plate; 7. a lead screw; 8. adjusting a threaded sleeve; 9. a chain belt; 10. a second rotating shaft; 11. a drive sprocket; 12. a second gear; 13. a first rotating shaft; 14. a first gear; 15. a poke rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a nut fastening frock, includes fixed support bar 1, and wherein, fixed support bar 1 adopts stainless steel. The left end of the fixed support rod 1 is rotatably connected with a third rotating shaft 3, the third rotating shaft 3 penetrates through the fixed support rod 1, a clamping sleeve 2 is fixedly mounted at the lower end of the third rotating shaft 3, and the clamping sleeve 2 can rotate freely after the third rotating shaft 3 is provided with rotating acting force.

Referring to fig. 1, the clamping blocks 5 are symmetrically arranged on the front and rear sides inside the clamping sleeve 2, the limiting plates 6 are symmetrically arranged on the front and rear sides outside the clamping sleeve 2, the limiting plates 6 are fixedly connected with the adjacent clamping blocks 5 by a connecting shaft penetrating through the clamping sleeve 2, the guide screws 7 are symmetrically arranged on the front and rear sides of the inner sides of the adjacent limiting plates 6, an adjusting screw sleeve 8 is arranged between the adjacent guide screws 7, two ends of the adjusting screw sleeve 8 are respectively in threaded connection with the two guide screws 7, the thread directions of the two guide screws 7 are opposite, and the inner diameter of the adjusting screw sleeve 8 is equal to the outer diameter of the guide screw 7. Through rotating the adjusting screw sleeve 8, the guide screw 7 that can make the symmetry set up simultaneously inwards or outwards moves simultaneously for the interval increase of joint piece 5 or reduce, thereby can be applicable to the nut fastening of equidimension not and use.

Further, a first rotating shaft 13 is rotatably connected to one end portion, far away from the clamping sleeve 2, of the fixed support rod 1, a second rotating shaft 10 is arranged on the left side of the first rotating shaft 13, the second rotating shaft 10 penetrates through the fixed support rod 1, the first rotating shaft 13, the second rotating shaft 10 and the third rotating shaft 3 are parallel to each other, and the second rotating shaft 10 is arranged between the first rotating shaft 13 and the third rotating shaft 3. The length of the first rotation shaft 13 is smaller than the length of the second rotation shaft 10. The limiting plate 6, the guide screw 7 and the adjusting threaded sleeve 8 are all located below the fixed supporting rod 1, and the center line of the adjusting threaded sleeve 8 is perpendicular to the center line of the third rotating shaft 3. The second rotating shaft 10 is rotatably connected to the fixed support rod 1. Through the setting of first pivot 13, second pivot 10 and third pivot 3, can play the connection effect to the part, and first pivot 13, second pivot 10 and third pivot 3 all rotate to be connected on fixed stay bar 1.

Further, the first rotating shaft 13 and the second rotating shaft 10 are respectively fixedly provided with a first gear 14 and a second gear 12, the first gear 14 and the second gear 12 are meshed with each other, and the rotation of the first rotating shaft 13 can be transmitted to the second rotating shaft 10 through the meshing action of the first gear 14 and the second gear 12.

Specifically, a driven sprocket 4 and a driving sprocket 11 are respectively and fixedly mounted at the upper ends of the third rotating shaft 3 and the second rotating shaft 10, the driven sprocket 4 and the driving sprocket 11 are both arranged above the fixed support rod 1, and the first gear 14 and the second gear 12 are arranged below the fixed support rod 1. The driven sprocket 4 and the driving sprocket 11 are connected by a chain belt 9. The second rotating shaft 10 can rotate through the connection between the second rotating shaft and the first rotating shaft 13, the third rotating shaft 3 can rotate through the connection between the chain belt 9 and the third rotating shaft, and the clamping sleeve 2 can be driven to rotate, so that the nut is fastened in the process of assembling the engine, the structure is small, and the nut is suitable for being used in narrow spaces.

Further, a toggle rod 15 is fixedly mounted at a lower end portion of the first rotating shaft 13, and the toggle rod 15 and the chain belt 9 are respectively disposed at upper and lower sides of the fixed support bar 1. The tap lever 15 is provided to facilitate the rotation of the first rotary shaft 13.

This fastening frock suitable for narrow and small space of inner chamber, the during operation: the distance between the adjacent clamping blocks 5 is adjusted according to the size of the nut to be screwed, specifically, the symmetrically arranged guide screws 7 can move inwards or outwards simultaneously by rotating the adjusting screw sleeves 8, so that the distance between the clamping blocks 5 is increased or reduced, and the nut can be suitable for nuts of different sizes; after the adjustment is accomplished, the pole 15 is transferred to the poke for first pivot 13 rotates, through the meshing effect of first gear 14 and second gear 12, and at this moment, second pivot 10 rotates, because the chain belt 9 mode between driven sprocket 4 and the drive sprocket 11, second pivot 10 rotates, can make third pivot 3 rotate, and then drives joint sleeve 2 and rotate, can fasten the nut of joint, easy operation, convenient to use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a nut fastening frock which characterized in that: including fixed stay pole (1), fixed stay pole (1) left end portion rotates and is connected with third pivot (3) and passing of third pivot (3) fixed stay pole (1), the lower tip fixed mounting of third pivot (3) has joint cover (2), lateral symmetry is equipped with joint piece (5) around the inside of joint cover (2), lateral symmetry is equipped with limiting plate (6) around the outside of joint cover (2), limiting plate (6) are through piercing through the connecting axle of joint cover (2) and being close to mutually joint piece (5) fixed connection, and is adjacent limiting plate (6) inboard front and back symmetry is equipped with guide screw (7), and is adjacent be equipped with between guide screw (7) and adjust swivel nut (8), a tip that joint cover (2) was kept away from in fixed stay pole (1) rotates and is connected with first pivot (13), first pivot (13) left side is equipped with second pivot (10), second pivot (10) pierce through fixed stay pole (1) and rotate and connect on fixed stay pole (1), first pivot (13) and second fixed gear (12) fixed gear (14) and second fixed gear (12) lower tip (14) are installed respectively under second pivot (12), third pivot (3) and second pivot (10) upper end do not fixed mounting have driven sprocket (4) and drive sprocket (11), connect through chain belt (9) between driven sprocket (4) and drive sprocket (11).

2. The nut fastening tool according to claim 1, characterized in that: the first rotating shaft (13), the second rotating shaft (10) and the third rotating shaft (3) are all parallel to each other, and the second rotating shaft (10) is arranged between the first rotating shaft (13) and the third rotating shaft (3).

3. The nut fastening tool according to claim 1, characterized in that: two ends of the adjusting threaded sleeve (8) are respectively in threaded connection with the two guide screws (7), and the thread directions of the two guide screws (7) are opposite.

4. The nut fastening tool according to claim 1, characterized in that: the limiting plate (6), the guide screw (7) and the adjusting threaded sleeve (8) are all located below the fixed supporting rod (1), and the center line of the adjusting threaded sleeve (8) is perpendicular to the center line of the third rotating shaft (3).

5. The nut fastening tool according to claim 1, characterized in that: the length of the first rotating shaft (13) is smaller than that of the second rotating shaft (10).

6. The nut fastening tool according to claim 1, characterized in that: the chain belt (9) and the poke rod (15) are respectively arranged at the upper side and the lower side of the fixed support rod (1).

7. The nut fastening tool according to claim 1, characterized in that: the driven sprocket (4) and the driving sprocket (11) are arranged above the fixed support rod (1), and the first gear (14) and the second gear (12) are arranged below the fixed support rod (1).