CN217513808U

CN217513808U - Fastening device for tightening bolt and nut

Info

Publication number: CN217513808U
Application number: CN202221636921.3U
Authority: CN
Inventors: 潘桂荣
Original assignee: Zhuorong Precision Manufacturing Jiangsu Co ltd
Current assignee: Zhuorong Precision Manufacturing Jiangsu Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-09-30
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a tighten fastening device of bolt and nut relates to industry assembly technical field, including backup pad, moment of torsion increase unit and bolt and nut fastening unit, the backup pad: the left side and the right side are respectively fixedly connected with two ends of the arched lifting handle; the torque increasing unit comprises a box cover, a motor, a first gear, a second gear, a cylindrical shaft, a third gear, a fourth gear, a power shaft and a box body, wherein the upper side face of the supporting plate is fixedly connected with the box body, one side of an upper end opening of the box body is movably connected with one side of the box cover through a movable shaft, the motor is fixedly connected with the rear end in the box body, a through hole plate is fixedly connected with the inner part of the box body, an output shaft of the motor is rotatably connected with a bearing in the through hole plate, the first gear is fixedly connected with the end part of the output shaft of the motor, one end of the cylindrical shaft is rotatably connected with the bearing in the through hole plate, the torque is large, the cylindrical shaft can be automatically screwed, the efficiency is high, and the cylindrical shaft can be suitable for bolts of various sizes.

Description

Fastening device for screwing bolt and nut

Technical Field

The utility model relates to an industry assembly technical field specifically is fastening device who screws up bolt and nut.

Background

When people dismantle the assembly body or assemble, all need to screw up the bolt usually, some bolt sizes are great, and required tightening torque is great, nevertheless because hand strength is limited, the nut often follows the spiral syntropy and rotates, and the fastener of tightening up the bolt nut can screw up or loosen the bolt.

The fastening device for screwing the bolt and the nut, which is proposed by the prior art with the authorized bulletin number of CN109227449A, comprises a hexagonal sleeve, a magnet, a transition pipe and a puller nut, wherein the hexagonal sleeve is vertically fixed at one end of the transition pipe, the puller nut is vertically fixed at the other end of the transition pipe, and the magnet is arranged on the outer wall of the hexagonal sleeve; the jacking screw device comprises a jacking screw, a pressing block and a protective sleeve, the screw of the jacking screw is screwed in the jacking nut, one end of the jacking screw is a head, the pressing block is sleeved in the gap of the other end of the jacking screw, and the protective sleeve is sleeved on the outer wall of the pressing block.

The bolt has the advantages of small torque, incapability of automatically screwing, low efficiency, requirement on the size of the bolt and capability of being used only under a specific size.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide the fastener of screwing up bolt and nut, its moment of torsion is big, can screw up automatically, and is efficient, can be applicable to the bolt of various sizes, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the fastening device for screwing the bolt and the nut comprises a supporting plate, a torque increasing unit and a bolt and nut fastening unit;

a support plate: the left side and the right side are respectively fixedly connected with two ends of the arched lifting handle;

a torque increasing unit: the box cover is fixedly connected with the upper side face of the supporting plate, one side of an upper end opening of the box body is movably connected with one side of the box cover through a movable shaft, the motor is fixedly connected with the rear end in the box body, a through hole plate is fixedly connected with the interior of the box body, an output shaft of the motor is rotatably connected with a bearing in the through hole plate, the end part of the output shaft of the motor is fixedly connected with the first gear, one end of the cylindrical shaft is rotatably connected with the bearing in the through hole plate, the other end of the cylindrical shaft is rotatably connected with the bearing in the front side face of the box body, one end of the cylindrical shaft close to the through hole plate is connected with the second gear through a key, the first gear is meshed with the second gear, the front end of the cylindrical shaft is fixedly connected with the third gear through a key, and the power shaft is rotatably connected with the front end of the box body through a bearing, the power shaft passes through key fixed connection gear four in the inside one end of box, gear four and gear three meshing are connected, the input of motor is connected with external power source's output electricity through external control switch group, bolt and nut fastening unit: the power shaft is fixedly connected with one end of the box body, which is positioned at the outer side of the box body.

The lifting handle can lift the whole fastening device for screwing the bolt and the nut, the lifting handle is convenient to move, the supporting plate is used for supporting the whole torque increasing unit, the box body is used for loading various parts, the box cover is used for blocking dust in the external environment, power is provided for the whole device after the motor is powered on, the first gear transmits torque to the second gear, the second gear drives the cylindrical shaft to rotate, the third gear drives the third gear to rotate, the third gear transmits the torque to the fourth gear, the third gear outputs the torque to the bolt and the nut through the power shaft, and the bolt and nut fastening unit can finish screwing or loosening the bolt through rotation.

Furthermore, the bolt and nut fastening unit comprises an adjusting knob, a cylindrical sleeve and a clamping assembly, one end, close to the box body, of the cylindrical sleeve is fixedly connected with one end, located on the outer side of the box body, of the power shaft, the clamping assembly is installed inside the cylindrical sleeve, the upper end of the clamping assembly is fixedly connected with the adjusting knob, the cylindrical sleeve is used for limiting the circumferential position of the clamping assembly, the adjusting knob is used for adjusting the longitudinal position of the clamping assembly, and the clamping assembly can clamp the bolt.

Furthermore, the clamping assembly comprises a fixed slide rail, a threaded rod and clamping blocks, the left side and the right side of the inside of the cylindrical sleeve are respectively fixedly connected with the fixed slide rail, through holes are respectively formed in the upper end and the lower end of the cylindrical sleeve, the threaded rod is rotatably connected with the through holes, the thread directions of the upper end and the lower end of the threaded rod are opposite, the upper end and the lower end of the threaded rod are respectively in threaded connection with the threaded holes of the two clamping blocks, the two clamping blocks are respectively in vertical sliding connection with the fixed slide rail, the top end of the threaded rod is fixedly connected with an adjusting knob, the fixed slide rail is used for limiting the position of the clamping blocks, the clamping blocks are prevented from rotating along the circumferential direction of the threaded rod, and the two clamping blocks can move oppositely through the rotation of the threaded rod.

Further, still include additional parts box unit, additional parts box unit contains box cover board, box body and snap close subassembly, the rear end face upside fixed connection box body of backup pad, one side of loose axle swing joint box cover board is passed through to upper end opening one side of box body, the opposite side of box cover board passes through snap close subassembly joint with the opening opposite side of box body, and some gasket gadgets can be loaded to the box body, and box cover board and snap close subassembly can close whole box body, prevent revealing of accessory.

Further, the lock catch assembly comprises a rotating cylinder, a transverse hollow plate and a longitudinal hollow plate, a connecting block is fixedly connected to the rear side face of the box cover plate, the connecting block is movably connected with the transverse hollow plate through the rotating cylinder, the rear side face of the box body is fixedly connected with the longitudinal hollow plate, the hollow part of the transverse hollow plate is connected with the longitudinal hollow plate in a clamped mode, the rotating cylinder can rotate the transverse hollow plate through rotation, the end portion of the longitudinal hollow plate can penetrate through the hollow part of the transverse hollow plate to be connected in a clamped mode, the box cover plate and the box body can be sealed, and when the whole device vibrates, the small parts are prevented from falling.

Further, still include the handle, the left surface fixed connection handle of box, the rubber sleeve has been cup jointed to the periphery side of handle, can remove whole device through holding the handle, and the rubber sleeve can increase frictional force and prevent the pine and take off.

Compared with the prior art, the beneficial effects of the utility model are that: this fastening device of screw up bolt and nut has following benefit:

1. this tightening device who screws up bolt and nut has set up the moment of torsion increase unit and can increase the moment of torsion to autogiration has alleviateed the consumption of manpower.

2. The fastening device for screwing the bolt and the nut is provided with the bolt and nut fastening unit, can clamp the bolt, can automatically adjust according to the size of the bolt, and is suitable for various sizes.

3. This tightening means who screws up bolt and nut, what set up has additional part box unit, can put tiny part inside when assembly or dismantlement, prevent to lose very simple and convenient.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the upper side cross-sectional structure of the present invention;

fig. 3 is a schematic diagram of the rear side structure of the present invention.

In the figure: the device comprises a support plate 1, a torque increasing unit 2, a box cover 21, a motor 22, a gear I23, a gear II 24, a cylindrical shaft 25, a gear III 26, a gear IV 27, a power shaft 28, a box body 29, a bolt and nut fastening unit 3, an adjusting knob 31, a fixed sliding rail 32, a cylindrical sleeve 33, a threaded rod 34, a clamping block 35, an additional part box unit 4, a rotating cylinder 41, a transverse hollow plate 42, a longitudinal hollow plate 43, a box cover plate 44, a box body 45, a handle 5 and a lifting handle 6.

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.

Referring to fig. 1-3, the present embodiment provides a technical solution: the fastening device for screwing the bolt and the nut comprises a support plate 1, a torque increasing unit 2 and a bolt and nut fastening unit 3;

supporting plate 1: the left side and the right side are respectively fixedly connected with two ends of an arched lifting handle 6;

torque increasing unit 2: comprises a box cover 21, a motor 22, a first gear 23, a second gear 24, a cylindrical shaft 25, a third gear 26, a fourth gear 27, a power shaft 28 and a box body 29, wherein the upper side surface of a supporting plate 1 is fixedly connected with the box body 29, one side of an upper end opening of the box body 29 is movably connected with one side of the box cover 21 through a movable shaft, the rear end in the box body 29 is fixedly connected with the motor 22, a through hole plate is fixedly connected with the inside of the box body 29, an output shaft of the motor 22 is rotatably connected with a bearing in the through hole plate, the end part of the output shaft of the motor 22 is fixedly connected with the first gear 23, one end of the cylindrical shaft 25 is rotatably connected with the bearing in the through hole plate, the other end of the cylindrical shaft 25 is rotatably connected with the bearing in the front side surface of the box body 29, one end of the cylindrical shaft 25, which is close to the through hole plate, is in key connection with the second gear 24, the first gear 23 is meshed with the second gear 24, the front end of the cylindrical shaft 25 is fixedly connected with the third gear 26 through a key, the power shaft 28 is rotatably connected with the front end of the box body 29 through a bearing, one end of the power shaft 28 in the box body 29 is fixedly connected with a gear four 27 through a key, the gear four 27 is meshed with a gear three 26, the input end of the motor 22 is electrically connected with the output end of an external power supply through an external control switch group,

bolt-nut fastening unit 3: the bolt and nut fastening unit 3 comprises an adjusting knob 31, a cylindrical sleeve 33 and a clamping assembly, one end of the cylindrical sleeve 33, which is close to the box body 29, is fixedly connected with one end of the power shaft 28, which is located outside the box body 29, the cylindrical sleeve 33 is fixedly connected with one end of the power shaft 28, which is located outside the box body 29, the clamping assembly is installed inside the cylindrical sleeve 33, the upper end of the clamping assembly is fixedly connected with the adjusting knob 31, the cylindrical sleeve 33 is used for limiting the circumferential position of the clamping assembly, the adjusting knob 31 is used for adjusting the longitudinal position of the clamping assembly, the clamping assembly can clamp a bolt, the clamping assembly comprises a fixed slide rail 32, a threaded rod 34 and a clamping block 35, the left side and the right side inside of the cylindrical sleeve 33 are respectively and fixedly connected with a fixed slide rail 32, the upper end and the lower end of the cylindrical sleeve 33 are respectively provided with through holes, the threaded rod 34 is rotatably connected with the through holes, the upper end and the lower end of the threaded rod 34 are opposite in direction, and the upper end and the lower end of the threaded rod 34 are respectively in threaded connection with the threaded holes of the two clamping blocks 35, the two clamping blocks 35 are respectively connected with the fixed slide rail 32 in a vertical sliding mode, the top end of the threaded rod 34 is fixedly connected with the adjusting knob 31, the fixed slide rail 32 is used for limiting the position of the clamping blocks 35, the clamping blocks 35 are prevented from rotating along the circumferential direction of the threaded rod 34, and the threaded rod 34 can enable the two clamping blocks 35 to move oppositely through rotation.

The lifting handle 6 can lift up the whole fastening device for screwing up the bolt and the nut, and is convenient to move, the supporting plate 1 is used for supporting the whole torque increasing unit 2, the box body 29 is used for loading various parts, the box cover 21 is used for blocking dust in the external environment, the motor 22 provides power for the whole device after being powered on, the first gear 23 transmits torque to the second gear 24, the second gear 24 drives the cylindrical shaft 25 to rotate, the cylindrical shaft 25 drives the third gear 26 to rotate, the third gear 26 transmits the torque to the fourth gear 27, and finally the torque is output to the bolt and nut fastening unit 3 through the power shaft 28, and the bolt and nut fastening unit 3 can complete screwing up or loosening and unloading the bolt through rotation.

Still include additional parts box unit 4, additional parts box unit 4 contains box cover plate 44, box body 45 and hasp subassembly, backup pad 1's rear end face upside fixed connection box body 45, the one side of loose axle swing joint box cover plate 44 is passed through to the upper end opening one side of box body 45, the hasp subassembly joint is passed through with the opening opposite side of box body 45 to the opposite side of box cover plate 44, some gasket gadgets can be loaded to box body 45, box cover plate 44 and hasp subassembly can close whole box body 45, prevent revealing of accessory.

The locking assembly comprises a rotating cylinder 41, a transverse hollow plate 42 and a longitudinal hollow plate 43, a connecting block is fixedly connected to the rear side face of a box cover plate 44, the connecting block is movably connected with the transverse hollow plate 42 through the rotating cylinder 41, the rear side face of the box body 45 is fixedly connected with the longitudinal hollow plate 43, the hollow part of the transverse hollow plate 42 is connected with the longitudinal hollow plate 43 in a clamping mode, the rotating cylinder 41 can enable the transverse hollow plate 42 to rotate through rotation, the end part of the longitudinal hollow plate 43 can penetrate through the hollow part of the transverse hollow plate 42 to be connected in a clamping mode, the box cover plate 44 and the box body 45 can be sealed, and when the whole device vibrates, fine parts are prevented from falling.

Still include handle 5, the left surface fixed connection handle 5 of box 29, the rubber sleeve has been cup jointed to the periphery side of handle 5, can remove whole device through holding handle 5, and the rubber sleeve can increase frictional force and prevent the pine and take off.

The utility model provides a tighten fastening device of bolt and nut's theory of operation as follows:

the whole device can be lifted by lifting an arched lifting handle and a handle, the supporting plate 1 is used for supporting the whole box body, the box body 29 is used for loading various parts, the box cover 21 is used for blocking dust in the external environment, the motor 22 provides power for the whole device after being powered on, the first gear 23 transmits torque to the second gear 24, the second gear 24 drives the cylindrical shaft 25 to rotate, the third gear 25 drives the third gear 26 to rotate, the third gear 26 transmits the torque to the fourth gear 27, the torque is finally output to the bolt and nut fastening unit 3 through the power shaft 28, the clamping blocks in the bolt and nut fastening unit can finish screwing or unscrewing of bolts through rotation, when bolts with different sizes face, only the adjusting knob needs to be rotated to enable the threaded rod in the cylindrical sleeve to rotate, and the clamping blocks are further driven to move up and down along the fixed slide rail, so that different sizes can be met, the rotation cylinder makes horizontal fretwork board 42 take place to rotate through rotating, thereby the tip of vertical fretwork board 43 can pass horizontal fretwork board 42 fretwork part joint, can seal box cover board 44 and box body 45, prevents dropping of tiny part.

It should be noted that the core chip of the control switch group disclosed in the above embodiments is a PLC single chip, the specific model is siemens S7-300, the motor 22 is a 60CB020C-500000 ac servo motor, and the external control switch group controls the motor 22 to work by a method commonly used in the prior art.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. Screw up bolt and nut's fastener, its characterized in that: comprises a support plate (1), a torque increasing unit (2) and a bolt and nut fastening unit (3);

support plate (1): the left side and the right side are respectively fixedly connected with two ends of an arched lifting handle (6);

torque increasing unit (2): comprises a box cover (21), a motor (22), a first gear (23), a second gear (24), a cylindrical shaft (25), a third gear (26), a fourth gear (27), a power shaft (28) and a box body (29), wherein the upper side surface of the supporting plate (1) is fixedly connected with the box body (29), one side of an upper end opening of the box body (29) is movably connected with one side of the box cover (21) through a movable shaft, the rear end in the box body (29) is fixedly connected with the motor (22), a through hole plate is fixedly connected with the inside of the box body (29), an output shaft of the motor (22) is rotatably connected with a bearing in the through hole plate, the end part of the output shaft of the motor (22) is fixedly connected with the first gear (23), one end of the cylindrical shaft (25) is rotatably connected with the bearing in the through hole plate, and the other end of the cylindrical shaft (25) is rotatably connected with the bearing in the front side surface of the box body (29), one end of the cylindrical shaft (25) close to the through hole plate is connected with a second gear (24) through a key, the first gear (23) is meshed with the second gear (24), the front end of the cylindrical shaft (25) is fixedly connected with a third gear (26) through a key, the power shaft (28) is rotatably connected with the front end of the box body (29) through a bearing, one end of the power shaft (28) in the box body (29) is fixedly connected with a fourth gear (27) through a key, the fourth gear (27) is meshed with the third gear (26), and the input end of the motor (22) is electrically connected with the output end of an external power supply through an external control switch group;

bolt-nut fastening unit (3): the fixed connection power shaft (28) is positioned at one end of the outer side of the box body (29).

2. The fastening device for tightening a bolt and a nut according to claim 1, characterized in that: the bolt and nut fastening unit (3) comprises an adjusting knob (31), a cylindrical sleeve (33) and a clamping assembly, one end, close to the box body (29), of the cylindrical sleeve (33) is fixedly connected with one end, located on the outer side of the box body (29), of the power shaft (28), the clamping assembly is installed inside the cylindrical sleeve (33), and the upper end of the clamping assembly is fixedly connected with the adjusting knob (31).

3. The fastening device for tightening a bolt and a nut according to claim 2, characterized in that: the clamping assembly comprises a fixed sliding rail (32), a threaded rod (34) and clamping blocks (35), the left side and the right side of the inside of the cylindrical sleeve (33) are fixedly connected with the fixed sliding rail (32) respectively, through holes are formed in the upper end and the lower end of the cylindrical sleeve (33) respectively, the threaded rod (34) is rotatably connected with the through holes, the thread directions of the upper end and the lower end of the threaded rod (34) are opposite, the upper end and the lower end of the threaded rod (34) are connected with the thread holes of the two clamping blocks (35) respectively in a threaded manner, the two clamping blocks (35) are connected with the fixed sliding rail (32) in a vertical sliding manner respectively, and the top end of the threaded rod (34) is fixedly connected with the adjusting knob (31).

4. The fastening device for tightening a bolt and a nut according to claim 1, characterized in that: still include additional parts box unit (4), additional parts box unit (4) contain box cover board (44), box body (45) and hasp subassembly, rear end face upside fixed connection box body (45) of backup pad (1), one side of loose axle swing joint box cover board (44) is passed through to the upper end opening one side of box body (45), the opposite side of box cover board (44) and the opening opposite side of box body (45) pass through hasp subassembly joint.

5. The fastening device for tightening a bolt and a nut according to claim 4, wherein: the lock catch component comprises a rotating cylinder (41), a transverse hollowed-out plate (42) and a longitudinal hollowed-out plate (43), the rear side face of a box cover plate (44) is fixedly connected with a connecting block, the connecting block is movably connected with the transverse hollowed-out plate (42) through the rotating cylinder (41), the rear side face of a box body (45) is fixedly connected with the longitudinal hollowed-out plate (43), and the hollowed-out part of the transverse hollowed-out plate (42) is connected with the longitudinal hollowed-out plate (43) in a clamped mode.

6. The fastening device for tightening a bolt and a nut according to claim 1, characterized in that: the novel refrigerator is characterized by further comprising a handle (5), the left side face of the box body (29) is fixedly connected with the handle (5), and the outer peripheral side of the handle (5) is sleeved with a rubber sleeve.