CN106346399A

CN106346399A - Novel adjustable spanner convenient in aperture adjustment

Info

Publication number: CN106346399A
Application number: CN201610994308.1A
Authority: CN
Inventors: 伏小强; 林振华
Original assignee: Suzhou Chuangbicheng Electronic Science & Technology Co Ltd
Current assignee: Dongtai Runsheng Textile Machinery Accessories Co ltd
Priority date: 2016-11-11
Filing date: 2016-11-11
Publication date: 2017-01-25
Anticipated expiration: 2036-11-11
Also published as: CN106346399B

Abstract

The invention discloses a novel adjustable spanner convenient in aperture adjustment. The novel adjustable spanner convenient in aperture adjustment comprises a spanner main body capable of screwing a bolt or a nut, and a handle which is connected with the spanner main body; the spanner main body comprises push rods, a base, a rotary chassis arranged in the base, and an adjustment device arranged on the outer side of the handle; screw holes, corresponding to the push rods one by one, are formed in the vertical side of the base, and are in threaded connection with the corresponding push rods; the adjustment device is connected with an adjustment screw rod through an adjustment supporting rod; and meanwhile, the horizontal sides of the adjustment screw rod, the push rods and the rotary chassis are connected with one another. According to the novel adjustable spanner convenient in aperture adjustment, by driving the rotary chassis by the adjustment screw rod to rotate, the push rods are driven to move, radially move through constraint of the screw holes to the corresponding push rods, rotationally advance along the corresponding screw holes, has a self locking effect after clamping the bolt or the nut, has low liability in slipping, and can also supply stronger clamping strength and screwing supporting force, and thus tool damage caused by overlarge screwing force is reduced.

Description

It is easy to the novel adjustable spanner of bore regulation

Technical field

The present invention relates to spanner field, more particularly, to a kind of novel adjustable spanner 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 Stricture of vagina tightly holds bolt or the opening of nut or the hand toolss 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 of sizing 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 Cornu Caprae seu Oviss screw rod that six can be adjusted, makes on dop V-shaped 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 Cornu Caprae seu Oviss screw rods are adjusted respectively, wayward and time-consuming effort.

On this basis, the speeder wrench of the scalable 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-shaped 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 drive mechanism.

Content of the invention

The present invention provides a kind of novel adjustable spanner 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 adjustable spanner being easy to bore regulation, including the wrench body that can twist bolt or nut and wrench body The handle connecting, wrench body includes push rod, pedestal, the swivel base being located in pedestal, is arranged on actuator outside handle； Have the one-to-one screw with push rod in the vertical side of pedestal, screw is threadeded with push rod, actuator passes through regulation Bar is connected with adjusting screw rod, and adjusting screw rod, push rod are connected with the horizontal side of swivel base simultaneously, adjusts rotation by actuator Chassis rotates, and makes swivel base drive push rod rotation, push rod is rotationally advancing under the cooperation of screw.

As a kind of preferred version making actuator not occurred level movement, on described regulation pole, it is provided with solid Determine snap ring, this fixation snap ring is fixedly connected with adjusting pole, the solid section in handle has and accommodates the hollow of fixing snap ring Groove, this groove secures the position of fixing snap ring so as to can only rotate with the rotation adjusting pole, but not occurred level Mobile, so that the actuator being fixedly connected with regulation pole also not occurred level movement.

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 Stricture of vagina, screw is provided with the radial direction female thread being engaged with radial direction external screw thread so that push rod and screw form axial screw transmission.

As a kind of optimal way, swivel base includes the revotating card making swivel base be slidably connected with pedestal medial wall Ring, the limited block of restriction swivel base rotation, limited block is arranged on the vertical side of swivel base, and limited block is thin cylindrical side Face, more adjacent part is protruded.

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, Flos Mume 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 optimal way, actuator is arranged on the afterbody of handle, and shape is corresponding with handle shape, not In the case of use, actuator and handle are integrally formed, and make adjustable wrench more attractive in appearance.

For coordinating limited block, the gear block blocking limited block is provided with pedestal, when limited block revolves with swivel base When going to gear block, gear block makes swivel base stop the rotation, thus preventing the further motion of adjusting screw rod, this is spacing The benefit of block is that anti-throw-out lever rotates screw.

Compared with prior art, the invention has the following beneficial effects:

A kind of novel adjustable spanner being easy to bore regulation, by the actuator outside handle, makes adjusting screw rod that bottom is rotated Disc spins, thus driving push rod to move, by the constraint to push rod for the screw of pedestal side, so that push rod completes radially to move Dynamic, push rod is rotationally advancing along screw, and after rotation is to target location, screw thread has self-lock ability, and being difficult to skid loosens, Because of threaded formed contact area so that this kind of drive is provided that and larger twists support between push rod and screw Power；Meanwhile, the mode of Multi-stage transmission and threaded formed contact area so that this kind of drive be provided that larger Clamping dynamics；Consequently facilitating user bolt or nut are carried out with stronger dynamics twist, reduce the work that causes because the power of twisting is excessive Tool damages.

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 description, 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 adjustable spanner being easy to bore regulation according to the present invention；

Fig. 2 is that schematic diagram is disassembled in the inside of the novel adjustable spanner being easy to bore regulation according to the present invention；

Fig. 3 is the enlarged diagram in a region 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 labelling: wrench body 1, handle 2, actuator 3, swivel base 4, push rod 5th, pedestal 6, adjusting screw rod 31, regulation pole 32, fixing snap ring 33, regulation screw thread 311, gear block 41, the rotation gear teeth 42, rotation Snap ring 43, limited block 44, the radial direction gear teeth 51, radial direction external screw thread 52, fluting 53, screw 61, radial direction female thread 62, base plate 63rd, opening 64.

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 adjustable spanner 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, actuator 3, six roots of sensation push rod 5, pedestal 6, its In, actuator 3 is arranged on the afterbody of handle 2, and shape is cuboid with handle 2 shape, and handle 2 is connected with pedestal 6, push rod 5 are connected with pedestal 6, and the angle between this push rod 5 is 60 °, is evenly distributed on pedestal 6 for annular.

Fig. 2 is to have turned over by the spanner in Fig. 1, then removes the base plate 63 of pedestal 6, defines in pedestal 6 Only retain the entity part of screw 61 and the dead slot part placing swivel base 4, entity part provides relatively in clamping or when twisting Big support strength, wherein swivel base 4 include rotary clip 43, and this rotary clip 43 makes swivel base 4 and pedestal 6 medial wall It is slidably connected.

In conjunction with Fig. 3, the enlarged drawing in a region 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 64；Swivel base 4 is provided with a limited block 44, and this limited block 44 is arranged on the vertical side of swivel base, spacing Block 44 is thin cylindrical side, and more adjacent part is protruded, when limited block 44 rotates to gear block 41 with swivel base 4, Gear block 41 makes swivel base 4 stop the rotation, thus preventing the further motion of adjusting screw rod 31, this limited block 44 rise Rotate the effect of screw 61 to anti-throw-out lever 5, with regard to the position of this limited block 44, can be in conjunction with Fig. 4.

Understand in conjunction with Fig. 4-Fig. 5, actuator 3 is passed through regulation pole 32 and is connected with adjusting screw rod 31, fixes snap ring 33 and adjusts Section pole 32 is fixedly connected, and is stuck in the groove of solid section in handle 2, and occurred level does not move to make actuator 3.

In conjunction with shown in Fig. 2 and Fig. 5, on base plate 63, under rotary clip 43, it is provided with one and rotary clip 43 filler rings being slidably connected, withstand rotary clip 43 so that Area of bearing when swivel base 4 rotates is rotary clip 43 and support Contact area between ring.

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.

Meanwhile, with regard to the implementation of each drive mechanism, as shown in Figure 3, screw 61 is provided with radial direction female thread 62, As shown in figure 4, swivel base 4 includes in the rotation gear teeth 42 in horizontal side, 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 drive 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 cylinder Gear 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. 5, push rod 5 surface Radial direction external screw thread 52 threaded with the radial direction female 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 work process of the present invention is as follows:

(1), pedestal 6 is directed at the positive hex bolts needing to turn；

(2), assume that the clamp port that current six roots of sensation push rod 5 is formed is less than the size of positive hex bolts, that is, need larger folder Hold bore, then rotate counterclockwise actuator 3, by adjusting pole 32, drive adjusting screw rod 31 to rotate counterclockwise, by adjusting spiral shell Stricture of vagina 311 and the column gear transmission of the rotation gear teeth 42, are rotated chassis 4 counterclockwise movement；

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

(4), because radial direction external screw thread 52 is dextrorotation screw thread with radial direction female thread 62, by the radial direction external screw thread 52 on push rod 5 surface With the axial screw transmission of radial direction female 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), when clamping the size that bore is more than positive hex bolts, stop operating actuator 3, and pedestal 6 is enclosed within positive hexagonal On bolt, six roots of sensation push rod 5 is made to correspond the center in positive six faces of hex bolts；

(6), now, rotate clockwise actuator 3, make push rod 6 displaced radially inward, until the face with positive hex bolts contacts, And rotate clockwise actuator 3 further, make push rod 6 and positive hex bolts be in clamped condition；

(7), positive hex bolts is rotated by handle 2, after taking out positive hex bolts, rotates counterclockwise actuator 3, make push rod 6 to Outer radial moves, after unclamping positive hex bolts.

(8) if in step (2), 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 above work process, 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 female thread 62 It is transformed to derotation screw thread, then whole work process is as follows:

(1), pedestal 6 is directed at the positive hex bolts needing to turn；

(2), assume that the clamp port that current six roots of sensation push rod 5 is formed is less than the size of positive hex bolts, that is, need larger folder Hold bore, rotate clockwise actuator 3, by adjusting pole 32, drive adjusting screw rod 31 to rotate clockwise, by adjusting screw thread 311 with rotation the gear teeth 42 column gear transmission, chassis 4 clockwise movement is rotated；

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

(4), because radial direction external screw thread 52 is derotation screw thread with radial direction female thread 62, by the radial direction external screw thread 52 on push rod 5 surface With the axial screw transmission of radial direction female 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；

(6), now, rotate counterclockwise actuator 3, make push rod 5 displaced radially inward, until the face with positive hex bolts contacts, And the adjusting screw rod 31 that rotates backward further, make push rod 5 and positive hex bolts be in clamped condition；

(7), positive hex bolts is rotated by handle 2, after taking out positive hex bolts, rotates clockwise actuator 3, make push rod 5 to Outer radial moves, after unclamping positive hex bolts.

(8) if in step (2), 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.

The third embodiment of the present invention, on the basis of preferred embodiment, by actuator 3 in the position of handle 2, from handle 2 afterbody becomes in the other positions of handle 2 lateral wall, that is, in both sides up and down or the left and right sides of handle 2.

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 female thread 62 For derotation screw thread, actuator 3 is become the other positions of handle 2 lateral wall in the position of handle 2 from the afterbody of handle 2, this The 8th embodiment that sample is formed, is simply simply merged modification it should be considered as equivalent variations to second and third embodiment, is belonged to Equivalent embodiments in the present invention；Certainly, the change based on above-mentioned two situations, such as modification quantity and change hand of spiral knot Unify the new embodiment being formed it should also be considered as equivalent variations, belong 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, limited block 44 and gear block 41 combination can adopt other modes and number Scheme, swivel base 4 and the push rod 5 that more than 2, adjusting screw rod 31 and swivel base 4 be in transmission connection can be arranged be in transmission connection Scheme, push rod 5 and the threaded scheme of screw 61 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

1. a kind of novel adjustable spanner being easy to bore regulation, including the wrench body (1) that can twist bolt or nut and spanner The handle (2) that main body (1) connects, described wrench body (1) includes push rod (5), pedestal (6), the rotation being located in pedestal (6) Chassis (4), it is arranged on actuator (3) outside handle (2)；It is characterized in that: the vertical side of described pedestal (6) has and pushes away The one-to-one screw (61) of bar (5), described screw (61) is threadeded with push rod (5), and described actuator (3) passes through to adjust Pole (32) is connected with adjusting screw rod (31), and described adjusting screw rod (31), push rod (5) and the horizontal side of swivel base (4) connect Connect.

2. according to claim 1 be easy to bore regulation novel adjustable spanner it is characterised in that: prop up in described regulation On bar (32), it is provided with the fixing snap ring (33) making actuator (3) not occurred level movement.

3. according to claim 1 be easy to bore regulation novel adjustable spanner it is characterised in that: described adjusting screw rod (31) include adjusting screw thread (311), the horizontal side of described swivel base (4) includes and adjusts the rotation that screw thread (311) engages The gear teeth (42), the surface of described push rod (5) forms in the vertical and rotates the radial direction gear teeth (51) that the gear teeth (42) engage, described rotation The horizontal side turning chassis (4) forms column gear transmission with adjusting screw rod (31), push rod (5) respectively.

4. according to claim 3 be easy to bore regulation novel adjustable spanner it is characterised in that: described push rod (5) Surface forms radial direction external screw thread (52) in the horizontal, and described screw (61) is provided with the footpath engaged with radial direction external screw thread (52) To female thread (62), described push rod (5) and screw (61) form axial screw transmission.

5. as claimed in any of claims 1 to 4 be easy to bore regulation novel adjustable spanner it is characterised in that: Described swivel base (4) includes rotary clip (43), the restriction making swivel base (4) be slidably connected with pedestal (6) medial wall The limited block (44) that swivel base (4) rotates.

6. as claimed in any of claims 1 to 4 be easy to bore regulation novel adjustable spanner it is characterised in that: The fluting (53) twisted with instrument cooperation is provided with the afterbody of described push rod (5).

7. as claimed in any of claims 1 to 4 be easy to bore regulation novel adjustable spanner it is characterised in that: Described push rod (5) points to the same center of circle.

8. as claimed in any of claims 1 to 4 be easy to bore regulation novel adjustable spanner it is characterised in that: Described actuator (3) is arranged on the afterbody of handle (2), and shape is corresponding with handle (2) shape.

9. according to claim 5 be easy to bore regulation novel adjustable spanner it is characterised in that: described pedestal (6) sets It is equipped with the gear block (41) blocking limited block (44).