CN112720326B

CN112720326B - Nut anti-falling device for electric wrench

Info

Publication number: CN112720326B
Application number: CN202110063860.XA
Authority: CN
Inventors: 王合顺; 杨建军; 高海庆; 陈杰平; 王振杰
Original assignee: Beijing Zhuoxing Construction Group Co ltd
Current assignee: Beijing Zhuoxing Construction Group Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2022-05-10
Anticipated expiration: 2041-01-18
Also published as: CN112720326A

Abstract

The utility model belongs to the technical field of the spanner and specifically relates to a device is prevented falling by nut for electric spanner is related to, electric spanner includes the organism and sets up the rotating head that uses with the nut cooperation on the organism, the length of rotating head is greater than the thickness of nut, prevent falling the device and include the even installation head that sets up inside the rotating head lateral wall along the circumference of rotating head, the side that the organism was kept away from to the installation head is less than the thickness of nut with the distance between the rotating head terminal surface, the one end that the installation head is close to the rotating head the central axis is provided with the tenon that cross sectional shape is right triangle-angled, a right angle face and installation head fixed connection of tenon, the organism setting is kept away from on the inclined plane of tenon, one side that the rotating head axis was kept away from to the installation head is provided with the elastic component that can drive the installation head and remove to the direction that is close to rotating head the central axis, it has the pollution of reduction to the environment, reduce the advantage of the possibility that the nut injures people.

Description

Nut anti-falling device for electric wrench

Technical Field

The application relates to the field of wrenches, in particular to a nut anti-falling device for an electric wrench.

Background

At present, the electric wrench is a wrench powered by a power supply or a battery and used for screwing or loosening a nut.

In the related art, an electric wrench includes a body and a rotating head disposed on the body and capable of rotating around its axis, the rotating head being adapted to a nut; after the nut is loosened by using the electric wrench, the loosened nut can be separated from the installation position of the nut along with the rotating head of the electric wrench, so that the process of loosening the nut is completed.

In view of the above-mentioned related art solutions, the inventors found that: after the electric wrench is used for loosening the nut, people can involuntarily swing the electric wrench downwards, so that the nut inside the rotating head falls under the action of self gravity, the environment is polluted, and if people work at a high place, people can be injured by pounding when the nut falls.

Disclosure of Invention

In order to reduce the pollution to the environment, in order to reduce the nut and smash the possibility of hindering people, this application provides a nut anti-falling device for electric spanner.

The application provides a nut anti-falling device for electric wrench adopts following technical scheme:

the utility model provides an electric spanner prevents falling device with nut, electric spanner includes the organism and sets up the rotating head that uses with the nut cooperation on the organism, the length of rotating head is greater than the thickness of nut, prevent falling the device and include the even installation head that sets up at rotating head lateral wall inside along the circumference of rotating head, the side of organism is kept away from to the installation head and the distance between the rotating head terminal surface is less than the thickness of nut, the one end that the installation head is close to the rotating head the central axis is provided with the tenon that cross-sectional shape is right angled triangle, a right angle face and installation head fixed connection of tenon, the organism setting is kept away from on the inclined plane of tenon, one side that the rotating head axis was kept away from to the installation head is provided with the elastic component that can drive the installation head and remove to the direction that is close to rotating head the central axis.

By adopting the technical scheme, when the nut is loosened by using the electric wrench, one end of the rotating head, which is far away from the machine body, is sleeved on the nut to be loosened, and the distance between the side surface of the mounting head, which is far away from the machine body, and the end surface of the rotating head is smaller than the thickness of the nut, so that after the rotating head is aligned to the nut, the nut can be abutted against the inclined surface on the tenon; after the electric wrench is started, the machine body can drive the rotating head to rotate, the rotating head enables the nut to loosen, people need to press the electric wrench towards the direction close to the nut at the moment, the nut can move towards the direction close to the machine body while rotating along with the rotating head, and therefore the nut can drive the tenon to move towards the direction far away from the central axis of the rotating head; the nut is become flexible after, and the nut can move the tenon and be close to one side of organism, and tenon and installation head can resume initial position under the spring action of elastic component, and the tenon will be with inside the spacing rotating head of nut like this, and when the end of rotating head was down like this, the condition that drops can not appear yet in inside nut, has reached the pollution that reduces the environment, reduces the effect that the nut injures people's possibility by a crashing object.

Preferably, a plurality of sets of the falling prevention devices are arranged along the length direction of the rotating head, and the distance between two adjacent sets of the falling prevention devices is equal to the thickness of the nut.

Through adopting above-mentioned technical scheme, continuously use electric spanner not hard up nut after, a plurality of nuts can be spacing inside the rotating head, and the interval between adjacent two sets of anti-falling device equals with the thickness of nut, can make every anti-falling device of group homoenergetic limit to a nut like this, can reduce the rotating head and rotate like this, the nut is at the inside range of rocking of rotating head.

Preferably, be provided with the regulating part that drives the installation head and remove to the direction of keeping away from rotating head the central axis on the rotating head, the quantity of regulating part and the quantity one-to-one of the inside installation head of a set of anti-falling device offer the holding tank that is used for holding installation head and tenon on the rotating head inner wall.

Through adopting above-mentioned technical scheme, when needing to take out the inside nut of rotating head, can drive the installation head through the regulating part and remove to the direction of keeping away from rotating head the central axis, the in-process that the installation head removed can drive the tenon and remove together, and inside until installation head and tenon removed the holding tank, people just so can take out the nut from the rotating head is inside.

Preferably, the regulating part is including wearing to establish the regulation pole inside the rotating head lateral wall, adjusts the pole and runs through a plurality of installation heads simultaneously, installs overhead regulation hole of having seted up, adjusts the pole and keeps off-centre with the regulation hole, is provided with the regulating block that drives the installation head and remove to the direction that is close to or keeps away from rotating head the central axis on adjusting the pole.

Through adopting above-mentioned technical scheme, when needing to take out the inside nut of rotating head, people rotate the inside regulation pole of rotating head inner wall, adjust the pole and can drive the regulating block and rotate together, and the regulating block pivoted in-process can drive the installation head and remove to the direction of being close to or keeping away from rotating head the central axis, just so can with installation head and tenon remove the holding tank inside, take out the nut from the rotating head is inside.

Preferably, the end face of the adjusting rod far away from the machine body is parallel and level with the end face of the rotating head, and the end face of the adjusting rod far away from the machine body is provided with an adjusting groove.

Through adopting above-mentioned technical scheme, adjust the adjustment tank on the pole terminal surface and can make things convenient for people to drive and adjust the pole and rotate inside the rotating head.

Preferably, the shape of rotating head inner circle is regular hexagon, and the installation head of every group anti-falling device inside is provided with two altogether, and two installation heads set up in that the rotating head is inside relatively, are provided with the receiver on the organism, and the one end of receiver is used for accomodating the nut with the inside intercommunication of rotating head between two installation heads.

Through adopting above-mentioned technical scheme, when continuously using electric spanner not hard up nut, the inside nut quantity of rotating head can continuously increase, and after the nut reached certain quantity, receiver on the organism can be collected the inside nut of rotating head.

Preferably, the lateral wall of rotating head is provided with the via hole that supplies the nut to pass through, and the installation head is kept away from to the position of via hole, and the length of via hole equals with the distance between two relative sides in the rotating head to the via hole is seted up in the position that is close to the organism.

Through adopting above-mentioned technical scheme, after the inside nut of rotating head has reached certain quantity, the nut can fall to the storage box inside in the position of via hole.

Preferably, the cover is equipped with the solid fixed ring of being connected with the rotating head rotation on the rotatory head, gu fixed ring and organism fixed connection set up the hole of stepping down that supplies the nut to pass under solid fixed ring, the one end that the receiver is close to the rotating head can dismantle fixed connection with solid fixed ring.

Through adopting above-mentioned technical scheme, solid fixed ring cover is established on the rotating head and is connected with the rotating head rotation to gu seted up the hole of stepping down on the fixed ring, neither can influence like this and receive the box and collect the nut, the receiver can still not rotate along with the rotating head together moreover, makes the receiver more facilitate the use, has improved the holistic security of device moreover.

Preferably, the one end that the rotating head was kept away from to the receiver is at the position and organism fixed connection that the rotating head was kept away from to the organism, and receiver, organism and rotating head splice into triangle-shaped form.

Through adopting above-mentioned technical scheme, receiver, organism and rotating head splice into three angular shape and can promote the holistic intensity of device, have just so prolonged the life of device.

Preferably, the terminal surface that the rotating head was kept away from to the receiver is opened, and the lower extreme of receiver is provided with carries out the confined closing cap to the receiver.

Through adopting above-mentioned technical scheme, after the nut was full of the receiver, people can open the closing cap, take out the inside nut of receiver.

In summary, the present application has the following technical effects:

1. by arranging the anti-falling device, after the nut is taken down by using the electric wrench, the anti-falling device can limit the nut in the rotating head, so that the effects of reducing the pollution to the environment and reducing the possibility that the nut damages people by smashing are achieved;

2. through the arrangement of the adjusting piece, the adjusting piece can drive the mounting head and the tenon to move towards the direction far away from the central axis of the rotating head, so that people can conveniently take out the nut from the rotating head;

3. through having set up the receiver, the receiver can be collected the inside excessive nut of rotating head, can enlarge the quantity of the nut that can deposit on the electric spanner like this.

Drawings

Fig. 1 is an overall structural view of an electric wrench in an embodiment of the present application;

FIG. 2 is a partial cross-sectional view of a rotator head of an electric wrench in an embodiment of the present application (to highlight the adjuster structure);

fig. 3 is a partial sectional view of the rotary head highlighting the mounting head configuration in an embodiment of the present application.

In the figure, 1, an electric wrench; 11. a body; 12. rotating the head; 13. a fixing ring; 14. a hole of abdication; 2. an anti-drop device; 21. a mounting head; 22. a tenon; 23. an elastic member; 24. an adjustment member; 241. adjusting a rod; 242. an adjusting block; 243. an adjustment groove; 244. an adjustment hole; 3. a storage box; 31. and (6) closing the cover.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Referring to fig. 1, the present application provides a nut anti-drop device for electric wrench, electric wrench 1 includes organism 11 and sets up rotating head 12 in organism 11 one side, and the outline of rotating head 12 is circular, and interior outline is regular hexagon, and the length of rotating head 12 is greater than the thickness of nut, and anti-drop device 2 is provided with the multiunit along the axis direction of rotating head 12 altogether to adjacent two sets of distances of putting between the device equals with the thickness of nut. When the electric wrench 1 works, the rotating head 12 is covered on the nut to be loosened or screwed, the machine body 11 can drive the nut to rotate through the rotating head 12, when the nut is loosened, the falling prevention device 2 inside the rotating head 12 can limit the nut inside the rotating head 12, so that when people swing the electric wrench 1, the nut cannot be separated from the rotating head 12, the effects of reducing the pollution to the environment and reducing the possibility that the nut injures people by crashing are achieved.

Referring to fig. 2 and 3, the anti-drop device 2 includes two mounting heads 21, two tenons 22, two elastic members 23 and two adjusting members 24, the two mounting heads 21 are oppositely disposed inside the inner surface of the rotating head 12, a distance between a side surface of the mounting head 21 inside the anti-drop device 2 far away from the body 11 and the end surface of the rotating head 12 is smaller than a thickness of a nut, and a receiving groove for receiving the mounting head 21 is formed on the inner surface of the rotating head 12; the elastic element 23 is fixed on one side of the mounting head 21 far away from the axis of the rotating head 12, the cross section of the tenon 22 is in the shape of a right-angled triangle, the tenon 22 is fixed on one end of the mounting head 21 far away from the elastic element 23, a right-angled surface inside the tenon 22 is positioned on one side of the tenon 22 close to the machine body 11, the right-angled surface of the tenon 22 is flush with the side surface of the mounting head 21 close to the machine body 11, and an inclined surface on the tenon 22 is positioned on one side of the tenon 22 far away from the machine body 11; the adjusting member 24 is disposed on the rotary head 12 and can drive the mounting head 21 and the tenon 22 to move to the inside of the accommodating slot in a direction away from the axis of the rotary head 12.

After the rotating head 12 is covered on the nut, the body 11 drives the nut to rotate together through the rotating head 12, and the nut moves towards the direction close to the body 11 in the process of rotating; when the nut moves a certain distance, the nut drives the tenon 22 and the mounting head 21 to move into the accommodating groove, and the elastic element 23 is compressed; finally, the nut moves between the two anti-falling devices 2, the mounting head 21 and the tenon 22 can restore to the initial state under the action of the elastic force of the elastic piece 23, and the mounting head 21 and the tenon 22 can limit the nut inside the rotating head 12, so that the effects of reducing the pollution to the environment and reducing the possibility that the nut damages people are achieved; when it is desired to take the nut out of the interior of the rotator head 12, the adjusting member 24 can drive the mounting head 21 and the tenon 22 to move toward the interior of the receiving slot, so that the nut can be separated from the rotator head 12 by its own weight.

In this embodiment, the elastic member 23 is a spring, and other elastic members 23 with the same effect are still suitable.

Referring to fig. 2 and 3, the adjusting member 24 includes two adjusting rods 241 and two adjusting blocks 242, the positions of the two adjusting rods 241 correspond to the positions of the two rows of mounting heads 21 inside the rotary head 12 one by one, the length direction of the adjusting rods 241 is the same as the axial direction of the rotary head 12, the adjusting rods 241 are inserted into the side wall of the rotary head 12 and rotatably connected with the rotary head 12, and cross-shaped adjusting grooves 243 are formed in the end surfaces of the adjusting rods 241 far away from the machine body 11; the mounting head 21 is provided with an adjusting hole 244 penetrating through the mounting head 21, the adjusting rod 241 penetrates through the adjusting hole 244 on the mounting head 21 and keeps eccentric with the adjusting hole 244, one side of the adjusting rod 241 is tangent to the inner surface of the adjusting hole 244, the opposite side is provided with an adjusting block 242 abutting against the inner wall of the adjusting hole 244, and a gap exists between the mounting head 21 and the groove wall of the accommodating groove.

When people need to take out the nut inside the rotary head 12, a cross-shaped or a line-shaped screwdriver can be used to drive the adjusting rod 241 to rotate inside the sidewall of the rotary head 12, the adjusting rod 241 can drive the adjusting block 242 to rotate together, the adjusting block 242 abuts against the inner surface of the adjusting hole 244, so the adjusting block 242 can drive the mounting head 21 to move inside the rotary head 12, and after the adjusting block 242 drives the mounting head 21 and the tenon 22 to completely move inside the accommodating groove, the nut can be taken out from the inside of the rotary head 12.

Referring to fig. 2, in order to increase the storage capacity of the electric wrench 1 for nuts, a through hole penetrating through the rotary head 12 is formed on the circumferential surface of the rotary head 12, the through hole is formed at a position of the rotary head 12 close to the machine body 11 and is located between the two mounting heads 21, a fixture block is arranged inside the rotary head 12, and the side surface of the fixture block far away from the machine body 11 is flush with the hole wall of the through hole; a fixing ring 13 is sleeved on the outer side of the rotating head 12, the rotating head 12 is rotatably connected with the fixing ring 13, the fixing ring 13 is fixedly connected with the machine body 11, and a yielding hole 14 which penetrates through the fixing ring 13 and is used for a nut to pass through is formed right below the fixing ring 13; still be fixed with on the organism 11 and carry out the receiver 3 of accomodating to the nut, receiver 3, organism 11 and rotating head 12 splice into a triangular shape jointly, receiver 3 is close to the one end of rotating head 12 and solid fixed ring 13 fixed connection and receiver 3 in the position of hole 14 of stepping down and the inside intercommunication of rotating head 12, the one end that rotating head 12 was kept away from to receiver 3 is opened, be provided with on the receiver 3 and be used for opening the end to receiver 3 and carry out confined closing cap 31.

After the interior of the rotating head 12 is filled with nuts, people can use manpower to rotate the rotating head 12 on the machine body 11 until the via holes on the rotating head 12 are aligned with the abdicating holes 14, so that the nuts in the rotating head 12 can pass through the via holes and fall into the storage box 3; when the nut inside the storage case 3 needs to be taken out, the closing cap 31 on the storage case 3 may be opened.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims

1. The utility model provides an electric spanner is with nut anti-drop device, electric spanner (1) include organism (11) and set up on organism (11) with nut cooperation rotating head (12) that use, its characterized in that: the length of the rotating head (12) is greater than the thickness of the nut, the anti-falling device (2) comprises mounting heads (21) which are uniformly arranged inside the side wall of the rotating head (12) along the circumferential direction of the rotating head (12), the distance between the side face, far away from the machine body (11), of the mounting heads (21) and the end face of the rotating head (12) is smaller than the thickness of the nut, one end, close to the central axis of the rotating head (12), of each mounting head (21 is provided with a tenon (22) with a right-angled triangular cross section, one right-angled face of each tenon (22) is fixedly connected with the corresponding mounting head (21), the inclined face of each tenon (22) is far away from the machine body (11), and one side, far away from the axis of the rotating head (12), of each mounting head (21) is provided with an elastic piece (23) capable of driving each mounting head (21) to move towards the direction close to the central axis of the rotating head (12);

a plurality of groups of anti-falling devices (2) are arranged along the length direction of the rotating head (12), and the distance between two adjacent groups of anti-falling devices (2) is equal to the thickness of the nut;

the rotating head (12) is provided with adjusting pieces (24) which drive the mounting head (21) to move in the direction far away from the central axis of the rotating head (12), the number of the adjusting pieces (24) corresponds to the number of the mounting heads (21) in the anti-falling device (2) in one-to-one mode, and the inner wall of the rotating head (12) is provided with accommodating grooves for accommodating the mounting heads (21) and the tenons (22);

the adjusting piece (24) comprises an adjusting rod (241) penetrating through the side wall of the rotating head (12), the adjusting rod (241) penetrates through the mounting heads (21), adjusting holes (244) are formed in the mounting heads (21), the adjusting rod (241) and the adjusting holes (244) are eccentric, and an adjusting block (242) which drives the mounting heads (21) to move towards the direction close to or far away from the central axis of the rotating head (12) is arranged on the adjusting rod (241).

2. The nut drop preventing device for an electric wrench according to claim 1, wherein: the end surface of the adjusting rod (241) far away from the machine body (11) is flush with the end surface of the rotating head (12), and an adjusting groove (243) is formed in the end surface of the adjusting rod (241) far away from the machine body (11).

3. The nut drop preventing device for an electric wrench according to claim 1, wherein: the shape of rotating head (12) inner circle is regular hexagon, and the installation head (21) of every group anti-falling device (2) inside is provided with two altogether, and two installation heads (21) set up in rotating head (12) inside relatively, are provided with receiver (3) on organism (11), and the one end of receiver (3) is used for accomodating the nut with rotating head (12) inside intercommunication between two installation heads (21).

4. The nut drop preventing device for an electric wrench according to claim 3, wherein: the side wall of the rotating head (12) is provided with a via hole for the nut to pass through, the position of the via hole avoids the mounting head (21), the length of the via hole is equal to the distance between two opposite side surfaces in the rotating head (12), and the via hole is arranged at a position close to the machine body (11).

5. The nut drop preventing device for an electric wrench according to claim 4, wherein: the cover is equipped with solid fixed ring (13) of being connected with rotating head (12) rotation on rotating head (12), gu fixed ring (13) and organism (11) fixed connection, offer under solid fixed ring (13) and supply the nut to pass hole of stepping down (14), fixed connection can be dismantled with solid fixed ring (13) to the one end that receiver (3) are close to rotating head (12).

6. The nut drop preventing device for an electric wrench according to claim 3, wherein: one end, far away from the rotating head (12), of the storage box (3) is fixedly connected with the machine body (11) at the position, far away from the rotating head (12), of the machine body (11), and the storage box (3), the machine body (11) and the rotating head (12) are spliced into a triangular shape.

7. The nut drop preventing device for the electric wrench according to claim 6, wherein: the end face of the storage box (3) far away from the rotating head (12) is opened, and a sealing cover (31) for sealing the storage box (3) is arranged at the lower end of the storage box (3).