CN106378739A - Novel electric wrench facilitating opening diameter adjustment - Google Patents

Abstract

The invention discloses a novel electric wrench facilitating opening diameter adjustment. The electric wrench comprises a wrench body capable of twisting a bolt or nut and a handle connected with the wrench body; the wrench body comprises push rods, a base and a transmission mechanism capable of adjusting the push rods to move; screw holes in one-to-one correspondence to the push rods are formed in the vertical side of the base, and are in threaded connection with the push rods, the transmission mechanism comprises a control system capable of generating electric drive, through the control system, the transmission mechanism drive the push rods to rotate, and the push rods can rotate and moves forwards under cooperation of the screw holes; through adjusting buttons on the outer side of the handle, a control motor drives an adjusting supporting rod, the adjusting supporting rod drives a rotating chassis to rotate, and therefore the push rods are driven to move; through restraining of the push rods by the screw holes, the push rods complete radial moving, the push rods rotate and move forwards along the screw holes, after clamping, self-locking effect is achieved, slippage is not prone to happening, large clamping strength and twisting supporting force can be provided, and tool damage caused by too large twisting force can be reduced.

Description

It is easy to the Novel electric wrench of bore regulation

Technical field

The present invention relates to spanner field, more particularly, to a kind of Novel electric wrench being easy to bore regulation.

Background technology

Spanner is a kind of conventional installation and extracting tool, twists bolt, screw, nut and other spiral shells using lever principle Line tightly holds bolt or the opening of nut or the hand tools of trepanning firmware；Spanner is generally formed with clamping in the one or both ends of shank The opening of bolt or nut or set hole, during use, threadingly direction of rotation applies external force in shank, just can twist bolt or nut. Spanner is generally divided into solid wrench and adjustable wrench again, and solid wrench is formed with the opening of fixed dimension for one or both ends, in order to twist one The nut being sized or bolt；And adjustable wrench can be adjusted for A/F in the range of certain size, different rule can be twisted The bolt of lattice or nut.

It would be desirable to the bolt to different size specification or nut in the middle of our lives at ordinary times or in industrial design Installed and dismantled, if using solid wrench, needing to have the spanner of different caliber size, carrying heavy, using inconvenience, and The adjustable wrench that generally we use is side regular jaw, side moving jaw, so that moving jaw is moved by screw-driven, from And form the jaw of different openings, but when this adjustable wrench clamps bolt or nut by the left and right sides, toward certain direction During rotation, the force localization of pressure, on the corner of bolt or nut, easily causes to the corner of bolt or nut to damage, than As the edging phenomenon of outer-hexagonal round end etc. occurs.

Due to current polygon bolt or nut common be positive hexagonal, so when for this phenomenon, Ren Menshe The target of meter is substantially focused on hex bolts or hex nut, below taking hex bolts as a example；As number of patent application A kind of 201210421085.1 combination wrench, controls dop by the goat's horn screw rod that six can be adjusted, makes on dop V-type groove is stuck on six angles of positive hex bolts, not only increases stress point, and by main stress point from easy damaged Corner on transfer to not on the face of easy damaged, it is to avoid the edging phenomenon of outer-hexagonal round end etc., but this design is in clamping During need six goat's horn screw rods are adjusted respectively, wayward and time-consuming effort.

On this basis, the speeder wrench of the adjustable caliber size of number of patent application 201510746558.9, by right The control of upper and lower two pressing plates, makes two pressing plates that medial angle is 120 ° clamp two angles of hex bolts respectively, forms four Individual containment surfaces, are difficult to skid, and in the case, when spanner starts to twist hex bolts, there are four main stress points, and mainly The position of stress point is not on the face of easy damaged；A kind of spanner with voltage test pencil of number of patent application 201510620355.5, passes through V-type opening in front of slide block is clamped, and is controlled by regulating bolt and slides, thus clamping various sizes of hex bolts；But Above with respect to the technical scheme adjusting size wrench, the mechanism component contacting with the hex bolts twisted, when adjusting bore The level that is is slided, and dynamics that horizontal sliding type either clamps, support force when still twisting are all less, in some situations Lower it may appear that twisting motionless phenomenon, if using larger chucking power or when twisting power, but easy occur skidding, or even damage Bad corresponding transmission mechanism.

Content of the invention

The present invention provides a kind of Novel electric wrench being easy to bore regulation for solving above-mentioned technical problem, by screw thread even Connect so that push rod is rotationally advancing, after clamping there is self-locking effect, be difficult to skid, and be provided that larger clamping dynamics and twist Turn support force, reduce the tool damage causing because the power of twisting is excessive.

For achieving the above object, reach the effect above, the present invention is achieved through the following technical solutions：

A kind of Novel electric wrench being easy to bore regulation, including the wrench body that can twist bolt or nut and wrench body Connect handle, wrench body include push rod, pedestal, be located at pedestal in swivel base, produce electrically driven (operated) control system； Have the one-to-one screw with push rod in the vertical side of pedestal, screw is threadeded with push rod, control system is passed through to adjust Pole is connected with adjusting screw rod, and adjusting screw rod, push rod are connected with the horizontal side of swivel base simultaneously, are adjusted by control system Swivel base rotates, and makes swivel base drive push rod rotation, push rod is rotationally advancing under the cooperation of screw.

As making control system produce a kind of electrically driven (operated) preferred version, control system includes adjusting button, motor, battery And controller, wherein controller with adjust button, motor, battery are connected, motor is connected with adjusting pole, and user is by regulation Button starts controller, and under the control of the controller, motor starts to start, and drives regulation pole to be rotated.

A kind of preferred version being in transmission connection as adjusting screw rod and swivel base, adjusting screw rod includes adjusting screw thread, rotation Turn chassis include on vertical side with adjust that screw thread engage rotate helical teeth so that adjusting screw rod vertical with swivel base one Side forms Worm Wheel System.

A kind of preferred version being connected with the horizontal side of swivel base as adjusting screw rod, push rod, adjusting screw rod includes Adjust screw thread, the horizontal side of swivel base includes and adjusts the rotation gear teeth that screw thread engages, the surface shape in the vertical of push rod Become with the radial direction gear teeth rotating gear teeth meshing so that the horizontal side of swivel base forms roller gear with push rod, adjusting screw rod Transmission.

As the threaded a kind of preferred version of push rod and screw, the surface of push rod forms the outside spiral shell in footpath in the horizontal Line, screw is provided with the radial direction internal thread being engaged with radial direction external screw thread so that push rod and screw form axial screw transmission.

As a kind of preferred embodiment, swivel base includes the revotating card making swivel base be slidably connected with pedestal madial wall Ring, the photographic hole of restriction swivel base rotation, described control system includes the photoelectric sensor using cooperatively with photographic hole, photosensitive Hole, when photoelectric sensor, produces photosignal, transmits to controller, stopped operating by controller controlled motor, that is, adjust Screw rod stop motion, so that swivel base stops the rotation, this photographic hole and photoelectric sensor serve anti-throw-out lever and rotate The effect of screw.

For the ease of the installation of push rod, the fluting twisted with instrument cooperation, such as one word are provided with the afterbody of push rod Grooved, Phillips-type, plum blossom grooved, hexagonal grooved etc..

Meanwhile, push rod is allowed to point to the same center of circle it is ensured that contact area with bolt or nut.

As a kind of preferred embodiment, regulation button is arranged on the outside of handle, and handle is in the position of just corresponding battery On be provided with battery cover, be easy to user control and change battery.

It is affiliated to for the ease of picking and placeing, hook hole is provided with handle.

Compared with prior art, the present invention has the advantages that：

A kind of Novel electric wrench being easy to bore regulation, by the regulation button outside handle, controlled motor drives to adjust and props up Bar, makes adjusting screw rod that chassis rotation is rotated, thus driving push rod to move, by the pact to push rod for the screw of pedestal side Bundle, so that push rod completes to move radially, push rod is rotationally advancing along screw, and after rotation is to target location, screw thread has There is self-lock ability, being difficult to skid loosens, because of threaded formed contact area so that this transmission side between push rod and screw Formula is provided that larger twists support force；Meanwhile, the mode of Multi-stage transmission and threaded formed contact area so that This kind of drive is provided that larger clamping dynamics；Consequently facilitating user bolt or nut are carried out with stronger dynamics twist, subtract Few tool damage causing because the power of twisting is excessive.

Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after, The specific embodiment of the present invention is shown in detail in by following examples and its accompanying drawing.

Brief description

Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this Bright schematic description and description is used for explaining the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：

Fig. 1 is the overall structure diagram of the Novel electric wrench being easy to bore regulation according to the present invention；

Fig. 2 is that schematic diagram is disassembled in the inside of the Novel electric wrench being easy to bore regulation according to the present invention；

Fig. 3 is the enlarged diagram of a-quadrant in Fig. 2；

Fig. 4 is the structural representation of each motion according to the present invention；

Fig. 5 is the enlarged diagram in B region in Fig. 4.

Wherein, above-mentioned accompanying drawing includes drawings described below mark：Wrench body 1, handle 2, control system 3, swivel base 4, push away Bar 5, pedestal 6, hook hole 21, battery cover 22, adjusting screw rod 31, regulation pole 32, regulation button 33, motor 34, battery 35, control Device 36 processed, regulation screw thread 311, photoelectric sensor 41, the rotation gear teeth 42, rotary clip 43, photographic hole 44, the radial direction gear teeth 51, footpath To external screw thread 52, fluting 53, screw 61, radial direction internal thread 62, opening 63.

Specific embodiment

Below with reference to the accompanying drawings and in conjunction with the embodiments, to describe the present invention in detail：

As shown in figure 1, a kind of Novel electric wrench being easy to bore regulation, presently preferred embodiments of the present invention is for existing market Upper modal hex bolts or nut design, including wrench body 1, handle 2, six roots of sensation push rod 5, pedestal 6, wherein, handle 2 It is connected with pedestal 6, push rod 5 is connected with pedestal 6, the angle between this push rod 5 is 60 °, is evenly distributed on pedestal 6 for annular； Hook hole 21 is provided with handle 2, this hook hole 21 is easy to user and is hung up, meanwhile, adjusts button 33 and be arranged on handle 2 Surface, and be provided with two, be respectively used for controlling the first button that push rod 5 moves radially outward and for controlling push rod 5 The second displaced radially inward button.

Fig. 2 is to have turned over by the spanner in Fig. 1, then removes the base plate of pedestal 6, only defines in pedestal 6 Retain the entity part of screw 61 and the dead slot part placing swivel base 4, entity part provides larger in clamping or when twisting Support strength, wherein swivel base 4 includes rotary clip 43, and this rotary clip 43 makes swivel base 4 slide with pedestal 6 madial wall It is dynamically connected, from the figure, it can be seen that handle 2 surface is provided with battery cover 22, the top that this battery cover 22 is located at battery 35 is corresponding Place.

In conjunction with Fig. 3, the enlarged drawing of a-quadrant in Fig. 2 is understood, has six screws 61, this spiral shell in the vertical side of pedestal 6 Being threadeded with push rod 5 in hole 61, and corresponds；In pedestal 6, the bottom of entity part is provided with and connects for push rod 5 and swivel base 4 Tactile opening 63, simultaneously swivel base 4 include rotary clip 43, this rotary clip 43 makes swivel base 4 slide with pedestal 6 madial wall It is dynamically connected；Swivel base 4 is provided with a photographic hole 44, and the photoelectric sensor 41 in Fig. 4 uses cooperatively, and photographic hole 44 is through light During electric transducer 41, produce photosignal, transmit to control system 3, stopped by controller 36 controlled motor 34 in control system 3 Rotation stop is moved, i.e. adjusting screw rod 31 stop motion, so that swivel base 4 stops the rotation, this photographic hole 44 and photoelectric sensor 41 Serve the effect that anti-throw-out lever 5 rotates screw 61.

Understand in conjunction with Fig. 2, Fig. 3, Fig. 4, control system 3 is passed through regulation pole 32 and is connected with adjusting screw rod 31, wherein adjusts Screw rod 31 side vertical with swivel base 4 is connected.

In Figure 5, the fluting 53 twisted with instrument cooperation is provided with the afterbody of push rod 5, this preferred embodiment is as schemed Show Phillips-type, by this fluting 53 so that push rod 5 easier for installation and quick.

In conjunction with shown in Fig. 4, Fig. 5, this control system 3 includes adjusting button 33, motor 34, battery 35 and controller 36, its Middle controller 36 is connected with regulation button 33, motor 34, battery 35, plays the effect of control centre, motor 34 and regulation pole 32 connections, user passes through to adjust button 33 startup controller 36, and under the control of controller 36, motor 34 starts to start, and drives Adjust pole 32 to be rotated.

Meanwhile, with regard to the implementation of each transmission mechanism, as shown in Figure 3, screw 61 is provided with radial direction internal thread 62, As shown in Figure 4, swivel base 4 includes the rotation gear teeth 42 in horizontal side, and the surface of push rod 5 forms radially wheel in the vertical Tooth 51, forms radial direction external screw thread 52 in the horizontal, and as shown in Figure 5, adjusting screw rod 31 includes adjusting screw thread 311.

Realize the mode of transmission by above-mentioned transmission mechanism, as shown in figure 5, the regulation screw thread 311 on adjusting screw rod 31 and rotation The rotation gear teeth 42 engagement turning the horizontal side in chassis 4 connects, and makes adjusting screw rod 31 and the horizontal side of swivel base 4 form worm gear Worm-drive；As shown in figure 4, the rotation gear teeth 42 of horizontal side are engaged with the radial direction gear teeth 51 on push rod 5 surface on swivel base 4 Connect, make the horizontal side of swivel base 4 and push rod 5 form column gear transmission；In conjunction with shown in Fig. 3 and Fig. 4, push rod 5 surface Radial direction external screw thread 52 threaded with the radial direction internal thread 62 on screw 61 so that push rod 5 forms axial screw with screw 61 Transmission, when push rod 5 is threadeded with screw 61, both contacts area are larger, using the teaching of the invention it is possible to provide larger twists support force, with When, the mode of multistage gearing is so that the chucking power finally acting on bolt or nut is also relatively large.

In sum, taking twist positive hex bolts as a example, the course of work of the present invention is as follows：

（1）, pedestal 6 be aligned need the positive hex bolts that turns；

（2）, assume that the clamp port that formed of current six roots of sensation push rod 5 is less than the size of positive hex bolts, that is, need larger folder Hold bore, press the first button, then pass through controller 36, make motor 34 pass through to adjust pole 32, drive adjusting screw rod 31 inverse time Pin rotates, and by adjusting the column gear transmission of screw thread 311 and the rotation gear teeth 42, chassis 4 counterclockwise movement is rotated；

（3）, the rotation gear teeth 42 and the column gear transmission of the radial direction gear teeth 51 that are located on swivel base 4, drive push rod 5 counterclockwise Rotation；

（4）, due to radial direction external screw thread 52 be dextrorotation screw thread with radial direction internal thread 62, by the radial direction external screw thread 52 on push rod 5 surface With the axial screw transmission of radial direction internal thread 62, when push rod 5 rotate counterclockwise, push rod 5 moves radially outward along screw 61, I.e. six roots of sensation push rod moves radially outward simultaneously, forms larger clamping bore；

（5）, clamp bore be more than positive hex bolts size when, press the first button, stop operating, and pedestal 6 is enclosed within On positive hex bolts, six roots of sensation push rod 5 is made to correspond the center in positive six faces of hex bolts；

（6）, now, press the second button, make push rod 5 displaced radially inward, and gradually contact with the face of positive hex bolts, until After making push rod 5 and positive hex bolts be in clamped condition, press the second button again, stop operating；

（7）, rotate positive hex bolts by handle 2, after taking out positive hex bolts, press the first button, make push rod 5 outward radial Mobile, after unclamping positive hex bolts, press the first button again, stop operating.

（8）If, step（2）In, the size of the clamping positive hex bolts of relative aperture that six roots of sensation push rod 5 is formed is big, then directly Tap into row（5）-（7）Step.

In the above course of work, for the quantity that the there is side multiple being 6 and same for the device that can loosen It is suitable for, such as, positive hex nut, positive 12 corner bolts etc., and be not limited in positive hex bolts to treat.

The second embodiment of the present invention, on the basis of preferred embodiment, by radial direction external screw thread 52 and radial direction internal thread 62 It is transformed to derotation screw thread, then whole work process is as follows：

（1）, pedestal 6 be aligned need the positive hex bolts that turns；

（2）, assume that the clamp port that formed of current six roots of sensation push rod 5 is less than the size of positive hex bolts, that is, need larger folder Hold bore, press the first button, then pass through controller 36, make motor 34 pass through to adjust pole 32, drive adjusting screw rod 31 up time Pin rotates, and by adjusting the column gear transmission of screw thread 311 and the rotation gear teeth 42, chassis 4 clockwise movement is rotated；

（3）, the rotation gear teeth 42 and the column gear transmission of the radial direction gear teeth 51 that are located on swivel base 4, drive push rod 5 clockwise Rotation；

（4）, due to radial direction external screw thread 52 be derotation screw thread with radial direction internal thread 62, by the radial direction external screw thread 52 on push rod 5 surface With the axial screw transmission of radial direction internal thread 62, when push rod 5 turns clockwise, push rod 5 moves radially outward along screw 61, I.e. six roots of sensation push rod moves radially outward simultaneously, forms larger clamping bore；

（5）, clamp bore be more than positive hex bolts size when, press the first button, stop operating, and pedestal 6 is enclosed within On positive hex bolts, six roots of sensation push rod 5 is made to correspond the center in positive six faces of hex bolts；

（6）, now, press the second button, make push rod 5 displaced radially inward, and gradually contact with the face of positive hex bolts, until After push rod 5 and positive hex bolts are in clamped condition, press the second button again, stop operating；

（7）, rotate positive hex bolts by handle 2, after taking out positive hex bolts, press the first button, make push rod 5 outward radial Mobile, after unclamping positive hex bolts, press the first button again, stop operating；

（8）If, step（2）In, the size of the clamping positive hex bolts of relative aperture that six roots of sensation push rod 5 is formed is big, then directly enter OK（5）—（7）Step.

The third embodiment of the present invention, on the basis of preferred embodiment, adjust that button 33 also includes controlling switch the Three buttons and the 4th button controlling rotating speed, make user more flexible and convenient when using.

The fourth embodiment of the present invention, on the basis of preferred embodiment, the grooved of fluting 53 is changed into flat recess type.

In the fifth embodiment of the present invention, on the basis of preferred embodiment, by the quantity of push rod 5 and screw 61 from six It is revised as three so as to the quantity that can be suitably used for side is 3 multiple and the device that can loosen.

In the sixth embodiment of the present invention, on the basis of preferred embodiment, by the quantity of push rod 5 and screw 61 from six It is revised as four so as to the quantity that can be suitably used for side is 4 multiple and the device that can loosen.

In the seventh embodiment of the present invention, on the basis of preferred embodiment, by the quantity of push rod 5 and screw 61 from six It is revised as five so as to the quantity that can be suitably used for side is 5 multiple and the device that can loosen.

Based on the basis of preferred embodiment, the five, the six, seven embodiments it is known that, when by the quantity of push rod 5 and screw 61 It is revised as more than six quantity it should be considered as equivalent variations, belong to the Equivalent embodiments of the present invention；Based on second and third, four base On plinth, simply preferred embodiment carried out such as second and third, replace four embodiments or modification is simply combined, Should also be as being considered as equivalent variations, such as on the basis of preferred embodiment, radial direction external screw thread 52 is converted with radial direction internal thread 62 For derotation screw thread, make regulation button 33 also include the 3rd button of controlling switch and the 4th button controlling rotating speed, so formed The 8th embodiment, simply to second and third embodiment simply merged modification it should be considered as equivalent variations, belong to this Bright Equivalent embodiments；Certainly, the change based on above-mentioned two situations, such as modification quantity and change hand of spiral combine The new embodiment being formed, it should also be considered as equivalent variations, belongs to the Equivalent embodiments of the present invention.

Meanwhile, the technical scheme that should not be limited by preferred embodiment, also includes push rod 5 with screw 61 in the position of pedestal 6 Put and unequal with angle and uneven distribution, photographic hole 44 and photoelectric sensor 41 number can arrange more than 2, adjust Scheme, push rod 5 and screw 61 that scheme, swivel base 4 and the push rod 5 that screw rod 31 and swivel base 4 are in transmission connection is in transmission connection Threaded scheme, adjust button quantity of button 33 etc..

The above, only presently preferred embodiments of the present invention, not the present invention is made with any pro forma restriction；All The those of ordinary skill of the industry all can shown in by specification accompanying drawing and the above and swimmingly implement the present invention；But, all Those skilled in the art, in the range of without departing from technical solution of the present invention, are done using disclosed above technology contents The a little change going out, the equivalent variations modified and develop, are the Equivalent embodiments of the present invention；Meanwhile, all according to the present invention The change of any equivalent variations, modification and differentiation that substantial technological is made to above example etc., all still fall within the skill of the present invention Within the protection domain of art scheme.

Claims (9)

1. a kind of Novel electric wrench being easy to bore regulation, including the wrench body that can twist bolt or nut（1）, and spanner Main body（1）The handle connecting（2）, described wrench body（1）Including push rod（5）, pedestal（6）, be located at pedestal（6）Interior rotation Chassis（4）, produce electrically driven (operated) control system（3）；It is characterized in that：Described pedestal（6）Vertical side have and push rod（5） One-to-one screw（61）, described screw（61）With push rod（5）Threaded, the electrically driven (operated) control system of described generation （3）By adjusting pole（32）It is connected with adjusting screw rod（31）, described adjusting screw rod（31）, push rod（5）With swivel base（4）'s Horizontal side connects.

2. according to claim 1 be easy to bore regulation Novel electric wrench it is characterised in that：Described control system （3）Including regulation button（33）, motor（34）, battery（35）And controller（36）, described controller（36）With regulation button （33）, motor（34）, battery（35）Connect, described motor（34）With regulation pole（32）Connect.

3. according to claim 1 be easy to bore regulation Novel electric wrench it is characterised in that：Described adjusting screw rod （31）Including regulation screw thread（311）, described swivel base（4）Horizontal side include with adjust screw thread（311）The rotation of engagement The gear teeth（42）, described push rod（5）Surface formed in the vertical and rotate the gear teeth（42）The radial direction gear teeth of engagement（51）, described rotation Turn chassis（4）Horizontal side respectively with adjusting screw rod（31）, push rod（5）Form column gear transmission.

4. according to claim 1 be easy to bore regulation Novel electric wrench it is characterised in that：Described push rod（5）'s Surface forms radial direction external screw thread in the horizontal（52）, described screw（61）On be provided with and radial direction external screw thread（52）The footpath of engagement To internal thread（62）, described push rod（5）With screw（61）Form axial screw transmission.

5. as claimed in any of claims 1 to 4 be easy to bore regulation Novel electric wrench it is characterised in that： Described swivel base（4）Including making swivel base（4）With pedestal（6）The rotary clip that madial wall is slidably connected（43）, limit Swivel base（4）The photographic hole of rotation（44）, described control system（3）Including with photographic hole（44）The photoelectric sensing using cooperatively Device（41）.

6. as claimed in any of claims 1 to 4 be easy to bore regulation Novel electric wrench it is characterised in that： Described push rod（5）Afterbody on be provided with and the instrument fluting twisted of cooperation（53）.

7. as claimed in any of claims 1 to 4 be easy to bore regulation Novel electric wrench it is characterised in that： Described push rod（5）Point to the same center of circle.

8. according to claim 2 be easy to bore regulation Novel electric wrench it is characterised in that：Described regulation button （33）It is arranged on handle（2）Outside, described handle（2）Just corresponding to battery（35）Position on be provided with battery cover（22）.

9. according to claim 1 be easy to bore regulation Novel electric wrench it is characterised in that：Described handle（2） On be provided with hook hole（21）.