CN211249823U

CN211249823U - Nut screwing tool convenient to store

Info

Publication number: CN211249823U
Application number: CN201921408018.XU
Authority: CN
Inventors: 蒋军连; 沈杰; 沈军
Original assignee: Shanghai Zhonggui Construction Engineering Co ltd
Current assignee: Shanghai Zhonggui Construction Engineering Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-08-14
Anticipated expiration: 2029-08-27

Abstract

The utility model relates to a nut revolves instrument technical field, discloses a nut revolves instrument convenient to accomodate, including revolving soon the module, rotating module, runner assembly, revolving pole, connecting rod, revolve to revolve the module and can dismantle the one end of connecting at the connecting rod, rotate the module and can dismantle the connection and revolve the one end of revolving the pole, the connecting rod is kept away from to revolve the one end of revolving the module and is passed through the runner assembly and revolve the one end rotation of revolving the pole and. When the nut screwing tool is stored, the screwing rod rotates to be close to the connecting rod, and the rotating module and the screwing module are disassembled, so that the storage of the nut screwing tool is effectively realized, and the problem that the nut screwing tool is not easy to store and arrange is solved.

Description

Nut screwing tool convenient to store

Technical Field

The utility model relates to a revolve and twist instrument technical field, more specifically say, it relates to a nut revolves and twists instrument convenient to accomodate.

Background

At present, in the manufacturing process of large and medium pipelines, the torque for locking a plurality of nuts is large, and the nuts are usually locked by adopting a hydraulic stretcher. In order to facilitate the use of the hydraulic stretcher, the nut is generally designed to be polygonal in appearance, and the nut needs to be pre-tightened before the polygonal nut is locked by the hydraulic stretcher. The existing polygonal nut needs a screwing tool with a long force arm to pre-tighten the polygonal nut due to the large size of the polygonal nut.

The existing large-scale nut suspending screwing tool usually has a very long force arm, and when the screwing tool is sleeved on the nut for screwing, the force arm is increased, and the moment is reduced. The nut screwing tools are usually stacked together or lean on a wall after being used, and because the screwing tools are large in size, the nut screwing tools occupy a large space when being stacked together, and are easy to topple over and injure workers by depending on the wall, so that potential safety hazard accidents are caused. Therefore, the problem of housing the nut turning tool is to be solved.

SUMMERY OF THE UTILITY MODEL

To the above problem, an object of the utility model is to provide a nut revolves twisting tool convenient to accomodate, it has the advantage of being convenient for accomodate the arrangement.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a nut revolves instrument convenient to accomodate, includes to revolve wrong module, rotates module, runner assembly, revolves wrong pole, connecting rod, revolve wrong module and can dismantle the connection and be in the one end of connecting rod, it can dismantle the connection and be in to rotate the module revolve the one end of revolving the pole, the connecting rod is kept away from revolve the one end of revolving the module and pass through the runner assembly with revolve wrong pole and keep away from the one end of rotating the module rotates to be connected.

Through the technical scheme, the screwing module is connected with the connecting rod, the screwing rod is rotated to be coaxial with the connecting rod, and one end, far away from the rotating assembly, of the screwing rod is connected with the rotating module. And sleeving the screwing module on a nut to be screwed, and rotating the rotating module. After the use is finished, the rotating module is detached from the screwing rod, the screwing module is detached from the connecting rod, and the screwing rod is folded to be close to the connecting rod. The mode realizes the folding, dismounting and storage of the nut screwing tool, and solves the problem that the nut screwing tool is not easy to store.

The utility model discloses further set up to: the rotating assembly comprises a rotating shaft, an elastic lug, a limiting hole, a connecting block, a rotating block and a first spring, the connecting block is fixedly connected with one end, far away from the screwing module, of the connecting rod, and the rotating block is fixedly connected with one end, close to the connecting rod, of the screwing rod;

a connecting groove matched with the rotating block is formed in one end face, far away from the connecting rod, of the connecting block, and the rotating shaft penetrates through the rotating block and is fixedly connected with two ends of the rotating shaft on the inner wall of the connecting groove;

the connecting groove is provided with a limiting hole for the elastic lug to be inserted into, along the inner side wall of the axis of the connecting rod, two ends of the first spring are fixedly connected with the elastic lug respectively, and the first spring is arranged in the rotating block.

Through the technical scheme, when the nut screwing tool is needed, the screwing rod is rotated to be far away from the connecting rod, and when the screwing rod and the connecting rod are coaxial, the elastic lug is driven by the first spring to be inserted into the limiting hole, so that the stability of connection of the screwing rod and the connecting rod is improved. When the nut needs to be stored and a screwing tool is screwed, the screwing rod is rotated to be close to the connecting rod, the first spring is compressed and contracted, the elastic lug is extruded to be far away from the limiting hole, and the function of folding the screwing rod and the connecting rod is realized.

The utility model discloses further set up to: a first guide angle is formed in the circumferential surface of one end, close to the limiting hole, of the elastic lug.

Through the technical scheme, the outer circumference of the first guide angle is arc-shaped, so that the folding screwing rod is easier to be close to the connecting rod.

The utility model discloses further set up to: the connecting rod with revolve and be provided with the elastic component between the twisting rod, the one end of elastic component with connecting rod fixed connection, the other end with revolve twisting rod fixed connection.

Through above-mentioned technical scheme, the elastic component has increased the speed of twisting when twisting pole and connecting rod are folding for the connecting rod with twist the pole of twisting and link together more firm when folding, be difficult for causing runner assembly's damage.

The utility model discloses further set up to: the screwing module comprises a sleeve, a first lug, a first bolt and a first nut, the first lug and the sleeve are integrally formed and fixedly connected, and one end, close to the screwing module, of the connecting rod is provided with a lug groove matched with the first lug;

the first bolt penetrates through the sleeve and the first bump in sequence and then penetrates out of the sleeve to be in threaded connection with the first nut.

Through above-mentioned technical scheme, when inserting the first lug with sleeve fixed connection and establish the lug inslot, first bolt passes through-hole and first nut threaded connection, stability when having increased sleeve and connecting rod and being connected. When nuts of different shapes need to be screwed, the sleeve can be detached from the connecting rod, and the sleeve corresponding to the shape of the nut is replaced.

The utility model discloses further set up to: the cross-sectional area of the cross section of the sleeve is hexagonal, and a second guide angle is arranged between the outer circumferential surface of the sleeve and the inner wall of the sleeve.

Through above-mentioned technical scheme, the second lead angle makes the sleeve establish the nut in-process at the cover, and easier messenger's nut inlays establishes in the sleeve, has increased the efficiency of during operation.

The utility model discloses further set up to: the screwing rod comprises a first rod body and a second rod body, one end of the first rod body is fixedly connected with the rotating block, one end of the second rod body is detachably connected with the screwing handle, and the other end of the second rod body is arranged in the first rod body in a sliding mode;

the second body of rod is kept away from revolve the one end fixedly connected with elastic block and the second spring of twisting the handle, the both ends of second spring respectively in elastic block fixed connection, the second spring sets up in the second body of rod, the first body of rod is kept away from offer the confession on the outer periphery of the one end of turning block the circular hole that the elastic block was inserted and is established.

Through above-mentioned technical scheme, first body of rod and the flexible connection of second body of rod when the nut is twisted to needs, take out the second body of rod from the first body of rod, the elastic block is inserted and is established in the round hole, has fixed the length of twisting the pole, has increased the distance of the arm of force for the staff twists the nut more easily. When the nut screwing device needs to be stored, the elastic block is far away from the round hole, and the second rod body is embedded in the first rod body, so that the screwing rod is shortened and is easy to store.

The utility model discloses further set up to: and a third guide angle is formed on the circumferential surface of one end, close to the round hole, of the elastic block.

Through above-mentioned technical scheme, the outer circumference of third lead angle personally submits convex, and the third lead angle makes the second body of rod more convenient laborsaving when inlaying and establishing the first body of rod.

The utility model discloses further set up to: the rotating module comprises a screwing handle, a second lug, a second bolt and a second nut, and one end of the screwing handle, which is close to the screwing rod, is fixedly connected with the second lug in an integrated forming way;

one end of the screwing rod close to the screwing handle is provided with a groove matched with the second bump;

and the second bolt penetrates through the second rod body and the second lug in sequence and then penetrates out of the second rod body to be in threaded connection with the second nut.

Through the technical scheme, when the second bump fixedly connected with the screwing handle is inserted into the groove, the second bolt penetrates through the through hole to be in threaded connection with the second nut, and the stability of the screwing handle and the screwing rod in connection is improved. The axial line of the screwing handle is perpendicular to the axial line of the screwing rod, so that the distance of the force arm is increased, the moment is reduced in the process of screwing the nut, and the nut is screwed more easily.

The utility model discloses further set up to: the outer circumferential surface of the screwing handle is detachably connected with a rubber sleeve, and a plurality of anti-skidding bulges are uniformly distributed on the outer surface of the rubber sleeve.

Through the technical scheme, the rubber sleeve has the advantages of strong corrosion resistance, no reaction with acid and alkali, durability, skid resistance, light weight and good insulating effect, and the antiskid protrusions increase the friction force of workers in rotating and screwing the handle, so that the workers can rotate and screw the handle more easily, and the working efficiency is increased.

Compared with the prior art, the beneficial effects of the utility model are that: the connecting rod and the screwing rod of the nut screwing tool convenient to accommodate can be rotatably connected through the rotating assembly. The connecting rod and the screwing rod are close to each other, so that the length of a nut screwing tool is reduced, the screwing rod can stretch out and draw back, the screwing handle and the screwing rod can be detachably connected, and the screwing module and the connecting rod can be detachably connected. Therefore, the nut screwing tool is effectively stored, and the problem that the nut screwing tool is not easy to store and arrange is solved.

Drawings

FIG. 1 is a schematic view of the overall structure of the screw rod of the present invention when approaching the connecting rod;

FIG. 2 is a schematic view of the connecting rod and the screwing rod of the present invention in a coaxial structure;

fig. 3 is a cross-sectional view of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3.

Reference numerals: 1. screwing the module; 11. a sleeve; 111. a second lead angle; 12. a first bump; 13. a first bolt; 14. a first nut; 2. a rotation module; 21. screwing the handle; 211. a rubber sleeve; 2111. anti-skid projections; 22. a second bump; 23. a second bolt; 24. a second nut; 3. a rotating assembly; 31. a rotating shaft; 32. an elastic bump; 321. a first lead angle; 33. a limiting hole; 34. connecting blocks; 341. connecting grooves; 35. rotating the block; 36. a first spring; 4. screwing the rod; 41. a first rod body; 411. a circular hole; 4111. a limiting ring; 42. a second rod body; 421. an elastic block; 422. a second spring; 4211. a third lead angle; 43. a groove; 5. a connecting rod; 51. a bump groove; 6. an elastic member.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

A nut screwing tool convenient to store is shown in figure 1 and comprises a screwing module 1, a rotating module 2, a connecting rod 5 and a screwing rod 4, wherein a rotating assembly 3 is arranged between the connecting rod 5 and the screwing rod 4. Connecting rod 5 revolves pole 4 and is the cylinder and can carry out relative rotation with revolving, and the one end of revolving subassembly 3 is kept away from to connecting rod 5 revolves to be connected with revolving module 1 can dismantle, revolves the one end of revolving subassembly 3 of revolving pole 4 and rotates module 2 and can dismantle and be connected. After the screwing rod 4 is rotated to be coaxial with the connecting rod 5, the screwing module 1 is sleeved on the nut, and the rotating module 2 is rotated to screw the nut. When the nut screwing tool is stored, the screwing rod 4 rotates to be close to the connecting rod 5, and the rotating module 2 and the screwing module 1 are disassembled, so that the storage of the nut screwing tool is effectively realized, and the problem that the nut screwing tool is not easy to store and arrange is solved.

As shown in fig. 3, the screwing module 1 includes a sleeve 11, a first projection 12, a first bolt 13 and a first nut 14, the first projection 12 and the sleeve 11 can be welded together by welding, and the first projection 12 is a cylinder and is coaxially connected with the sleeve 11. The connecting rod 5 is provided with a convex block groove 51 at one end close to the screwing module 1, the cross section area of the convex block groove 51 is cylindrical, and the outer side wall of the first convex block 12 is tightly abutted to the inner side wall of the convex block groove 51. The first lug 12 and the lug groove 51 are provided with a through hole for the first bolt 13 to penetrate through, and the first bolt 13 passes through the through hole and then is in bolt connection with the first nut 14, so that the stability of the sleeve 11 when being connected with the connecting rod 5 is improved.

When nuts of different shapes need to be screwed, the sleeve 11 can be detached from the connecting rod 5, and the sleeve 11 corresponding to the shape of the nut is replaced. The outer circumferential surface of the sleeve 11 and the inner wall of the sleeve 11 are provided with a second guiding angle 111, as shown in fig. 2, the second guiding angle 111 enables the sleeve 11 to be more easily embedded in the sleeve 11 in the process of sleeving the nut, thereby increasing the efficiency in operation.

As shown in fig. 3, the rotating assembly 3 includes a rotating shaft 31, an elastic protrusion 32, a limiting hole 33, a connecting block 34, a rotating block 35 and a first spring 36, the elastic protrusion 32 is a cylinder, the connecting block 34 and one end of the connecting rod 5 far away from the screwing module 1 are fixedly connected, and one end of the screwing rod 4 far away from the rotating module 2 and the rotating block 35 are integrally formed and fixedly connected. The connecting block 34 is provided with a connecting groove 341 matching with the rotating block 35 on an end surface far away from the connecting rod 5, and the rotating shaft 31 passes through the rotating block 35 and has two ends fixedly connected to the inner wall of the connecting groove 341. The connecting groove 341 is provided with a limiting hole 33 along the inner side wall of the axis of the connecting rod 5 for the elastic lug 32 to be inserted, two ends of the first spring 36 are respectively fixedly connected with the elastic lug 32, and the first spring 36 is arranged in the rotating block 35. When the nut screwing tool is needed, the screwing rod 4 is rotated away from the connecting rod 5, and when the screwing rod 4 is coaxial with the connecting rod 5, the first spring 36 drives the elastic lug 32 to be inserted into the limiting hole 33, so that the stability of connecting the screwing rod 4 and the connecting rod 5 is improved.

The elastic protrusion 32 has a first guiding angle 321 on its end surface near the limiting hole 33, as shown in fig. 3, the outer circumferential surface of the first guiding angle 321 is arc-shaped, so that it is easier to fold the screwing rod 4 near the connecting rod 5. An elastic piece 6 is arranged between the connecting rod 5 and the screwing rod 4, one end of the elastic piece 6 is fixedly connected with the connecting rod 5, and the other end of the elastic piece 6 is fixedly connected with the screwing rod 4. The elastic piece 6 increases the folding speed of the screwing rod 4 and the connecting rod 5, so that the connecting rod 5 and the screwing rod 4 are more stably connected together when being folded, and the rotating assembly 3 is not easily damaged. When the nut screwing tool needs to be stored, the screwing rod 4 is rotated to be close to the connecting rod 5, the elastic lug 32 is extruded to be far away from the limiting hole 33, and the folding function of the screwing rod 4 and the connecting rod 5 is realized.

As shown in fig. 3, the screw rod 4 includes a first rod 41 and a second rod 42, the first rod 41 and the second rod 42 are hollow cylinders, and the second rod 42 has a diameter smaller than that of the first rod 41 and can be embedded in the first rod 41. One end of the first rod 41 is fixedly connected with the rotating block 35, one end of the second rod 42 is detachably connected with the screwing handle 21, and the other end is slidably arranged in the first rod 41. An elastic block 421 and a second spring 422 are fixedly connected to one end of the second rod 42, which is far away from the screwing handle 21, two ends of the second spring 422 are respectively fixedly connected to the elastic block 421, the second spring 422 is arranged in the second rod 42, and a circular hole 411 for inserting the elastic block 421 is formed in the outer circumferential surface of one end of the first rod 41, which is far away from the rotating block 35.

The circumference of the circular hole 411 is provided with a limiting ring 4111, as shown in fig. 4, so that the elastic block 421 is limited between the first rod 41 and the second rod 42. The elastic block 421 has a third angle 4211 on its end surface close to the circular hole 411, the outer circumference of the third angle 4211 is arc-shaped, and the third angle 4211 makes the second rod 42 more convenient and labor-saving when the first rod 41 is embedded.

When the nut needs to be screwed, the end of the elastic block 421 slides and tightly abuts against the inner side wall of the first rod 41 by pressing the elastic block 421, the second rod 42 is drawn out from the first rod 41, and the second spring 422 stretches to drive the elastic block 421 to be inserted into the round hole 411, so that the length of the screwing rod 4 is fixed, the distance of the force arm is increased, and the nut is screwed by a worker more easily. When the nut screwing device needs to be stored, the elastic block 421 is pressed to compress the second spring 422, the end of the elastic block 421 slides and tightly abuts against the inner side wall of the first rod body 41, the elastic block 421 is far away from the round hole 411, and the second rod body 42 is embedded in the first rod body 41, so that the screwing rod 4 is shortened and is easy to store.

As shown in fig. 2, the rotating module 2 includes a screwing handle 21, a second lug 22, a second bolt 23 and a second nut 24, the screwing handle 21 is a cylinder, and the center of the screwing handle 21 is welded with the second lug 22. The second protrusion 22 is a cylinder, a groove 43 embedded with the second protrusion 22 is formed on an end surface of the screw rod 4 away from the rotating shaft 31, and an outer side wall of the second protrusion 22 abuts against an inner side wall of the groove 43. When the second protrusion 22 fixedly connected with the turning handle 21 is inserted into the groove 43, the second bolt 23 passes through the through hole to be threadedly connected with the second nut 24, so that the stability of the connection of the turning handle 21 and the turning rod 4 is increased. The distance of the force arm is increased, so that the moment is reduced in the nut screwing process, and the nut is screwed more easily.

The rubber sleeve 211 is sleeved on the outer circumferential surface of the screwing handle 21, and the rubber sleeve 211 has the advantages of strong corrosion resistance, no reaction with acid and alkali, durability, skid resistance, light weight and good insulating property effect. The anti-skid protrusions 2111 are uniformly distributed on the outer surface of the rubber sleeve 211, and the anti-skid protrusions 2111 increase the friction force of a worker when rotating and screwing the handle 21, so that the worker can rotate and screw the handle 21 more easily, and the working efficiency is increased.

The utility model discloses a working process is: the connecting rod 5 and the screw rod 4 of the nut screwing tool convenient to accommodate can be rotatably connected through the rotating assembly 3. Connecting rod 5 and revolve and twist pole 4 and be close to each other and reduce the nut and revolve the length of twisting the instrument, revolve and twist pole 4 and can stretch out and draw back, revolve and twist handle 21 and revolve and twist pole 4 and can dismantle the connection, revolve and twist module 1 and can dismantle with connecting rod 5 and be connected. Therefore, the nut screwing tool is effectively stored, and the problem that the nut screwing tool is not easy to store and arrange is solved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a nut revolves instrument convenient to accomodate, includes to revolve wrong module (1), rotates module (2), runner assembly (3), revolves wrong pole (4), connecting rod (5), revolve wrong module (1) can dismantle the connection and be in the one end of connecting rod (5), it can dismantle the connection and be in to rotate module (2) revolve the one end of revolving wrong pole (4), its characterized in that, connecting rod (5) are kept away from revolve the one end of revolving wrong module (1) and pass through runner assembly (3) with revolve wrong pole (4) and keep away from the one end of rotating module (2) is rotated and is connected.

2. The nut screwing tool convenient to store according to claim 1, wherein the rotating assembly (3) comprises a rotating shaft (31), an elastic lug (32), a limiting hole (33), a connecting block (34), a rotating block (35) and a first spring (36), the connecting block (34) is fixedly connected with one end of the connecting rod (5) far away from the screwing module (1), and the rotating block (35) is fixedly connected with one end of the screwing rod (4) close to the connecting rod (5);

one end face, far away from the connecting rod (5), of the connecting block (34) is provided with a connecting groove (341) matched with the rotating block (35), and the rotating shaft (31) penetrates through the rotating block (35) and is fixedly connected with the inner wall of the connecting groove (341) at two ends;

the connecting groove (341) is provided with a limiting hole (33) along the inner side wall of the axis of the connecting rod (5) for the elastic lug (32) to be inserted, two ends of the first spring (36) are respectively fixedly connected with the elastic lug (32), and the first spring (36) is arranged in the rotating block (35).

3. The tool for receiving nut-screwing tool as claimed in claim 2, wherein a first chamfer (321) is formed on one end peripheral surface of said elastic lug (32) near said limiting hole (33).

4. A tool for receiving and screwing nut according to claim 2, wherein an elastic member (6) is provided between said connecting rod (5) and said screwing rod (4), one end of said elastic member (6) is fixedly connected with said connecting rod (5), and the other end is fixedly connected with said screwing rod (4).

5. The nut screwing tool convenient to store as claimed in claim 1, characterized in that the screwing module (1) comprises a sleeve (11), a first lug (12), a first bolt (13) and a first nut (14), the first lug (12) is fixedly connected with the sleeve (11) in an integral forming way, and one end of the connecting rod (5) close to the screwing module (1) is provided with a lug groove (51) matched with the first lug (12);

the first bolt (13) penetrates through the sleeve (11) and the first bump (12) in sequence and then penetrates out of the sleeve (11) to be in threaded connection with the first nut (14).

6. A nut-turning tool for easy storage according to claim 5, characterized in that the cross-sectional area of the cross-section of said sleeve (11) is hexagonal, and the outer circumferential surface of said sleeve (11) and the inner wall of said sleeve (11) are provided with second chamfer angles (111).

7. A nut screwing tool for easy storage according to claim 2, characterized in that said rotating module (2) comprises a screwing handle (21), a second lug (22), a second bolt (23) and a second nut (24), one end of said screwing handle (21) close to said screwing rod (4) is fixedly connected with the second lug (22) in an integral manner;

one end of the screwing rod (4) close to the screwing handle (21) is provided with a groove (43) matched with the second bump (22);

the screwing rod (4) comprises a first rod body (41) and a second rod body (42), one end of the first rod body (41) is fixedly connected with the rotating block (35), one end of the second rod body (42) is detachably connected with the screwing handle (21), and the other end of the second rod body is arranged in the first rod body (41) in a sliding mode;

the second bolt (23) penetrates through the second rod body (42) and the second bump (22) in sequence, penetrates out of the second rod body (42) and is in threaded connection with the second nut (24);

keep away from second body of rod (42) the one end fixed connection who twists handle (21) has elastic block (421) and second spring (422), the both ends of second spring (422) respectively in elastic block (421) fixed connection, second spring (422) set up in the second body of rod (42), first body of rod (41) are kept away from offer the confession on the outer periphery of the one end of turning block (35) circular hole (411) of establishing are inserted in elastic block (421).

8. The tool for screwing nut easy to store as claimed in claim 7, wherein said round hole (411) has third lead angles (4211) formed on its two end peripheral surfaces.

9. The tool for receiving nut-screwing according to claim 7, wherein a rubber sleeve (211) is detachably connected to the outer circumferential surface of the screwing handle (21), and a plurality of anti-slip protrusions (2111) are uniformly distributed on the outer surface of the rubber sleeve (211).