阅读说明：本技术 一种活开口棘轮扳手 (Adjustable opening ratchet wrench ) 是由 岳二英 于 2021-09-22 设计创作，主要内容包括：本申请涉及扳手领域,尤其是涉及一种活开口棘轮扳手,其特征在于：包括静扳片、设置在静扳片头部的活动扳片,所述静扳片与活动扳片之间形成有用于夹持螺母的夹持口,所述静扳片的侧壁上设置有用于调节夹持口大小的调节组件,所述静扳片上还设置有用于活动扳片复位的弹性件,所述静扳片远离活动扳片的一端还设置有便于使用者拧转螺母的手持组件,本申请拧转螺母方便快捷。(The application relates to the field of wrenches, especially, relate to an open end ratchet spanner that can move about, its characterized in that: the nut screwing device comprises a static pulling piece and a movable pulling piece arranged at the head of the static pulling piece, wherein a clamping opening used for clamping a nut is formed between the static pulling piece and the movable pulling piece, an adjusting component used for adjusting the size of the clamping opening is arranged on the side wall of the static pulling piece, an elastic piece used for resetting the movable pulling piece is further arranged on the static pulling piece, a handheld component convenient for a user to screw the nut is further arranged at one end, far away from the movable pulling piece, of the static pulling piece, and the nut screwing device is convenient and fast to screw.)

1. An open-end ratchet spanner which characterized in that: pull piece (2) including quiet pull piece (1), the setting is pulled in the activity of quiet pull piece (1) head, quiet pull piece (1) and activity and pull and be formed with centre gripping mouth (3) that are used for the centre gripping nut between piece (2), be provided with on the lateral wall of quiet pull piece (1) and be used for adjusting centre gripping mouth (3) size adjusting part (4), still be provided with on quiet pull piece (1) and be used for the activity to pull elastic component (5) that piece (2) reset, the one end that piece (2) were pulled in the activity was kept away from in quiet pull piece (1) still is provided with handheld subassembly (6) that the person of facilitating the use twisted the nut.

2. The adjustable ratchet wrench of claim 1, wherein: adjusting part (4) including fix joint board (7), the rotation connection mounting panel (8) on quiet pull piece (1) lateral wall, the quiet pull and run through on the lateral wall of piece (1) and seted up shaft hole (9), the pivot of mounting panel (8) is rotated and is connected in shaft hole (9), shaft hole (9) are located the activity and are pulled between piece (2) and handheld subassembly (6), be formed with the opening the same with centre gripping mouth (3) shape size between joint board (7) and mounting panel (8), piece (2) and mounting panel (8) fixed connection are pulled in the activity, all set up on the lateral wall of piece (2) and mounting panel (8) and articulate catching groove (10) of nut arris portion, the inner chamber of catching groove (10) intercommunication centre gripping mouth (3).

3. An open-ended ratchet wrench according to claim 2, wherein: elastic component (5) including set up jacking spring (11) on quiet pull piece (1), slide direction cap (12) on quiet pull piece (1), mounting groove (13) have been seted up on quiet pull piece (1), mounting groove (13) are located mounting panel (8) pivot and activity and pull between piece (2), direction cap (12) slide in mounting groove (13), jacking spring (11) one end is fixed at mounting groove (13) inner wall, and the other end is fixed at direction cap (12) inner wall, direction cap (12) butt is pulled on the lateral wall of piece (2) in the activity.

4. The adjustable ratchet wrench of claim 3, wherein: one side that direction cap (12) butt activity spanner piece (2) is circular-arc, the direction of sliding of direction cap (12) is the obtuse angle setting with the length direction of spanner.

5. An open-ended ratchet wrench according to claim 2, wherein: shaft hole (9) are clearance fit with the pivot of mounting panel (8), the inner wall in shaft hole (9) is circular-arcly, joint board (7) are circular-arcly towards handheld subassembly (6) one end, offer arc mouth (14) that are used for inlaying joint board (7) circular arc portion on the lateral wall of mounting panel (8), arc mouth (14) intercommunication mounting panel (8) open-ended inside wall.

6. The adjustable ratchet wrench of claim 1, wherein: the handheld assembly (6) comprises a handheld pipe (15) which is inserted into the static pull piece (1) and is far away from one end of the clamping opening (3) and a ball plunger (16) which is arranged on the side wall of the static pull piece (1) and is far away from one end of the clamping opening (3), one end of the handheld pipe (15) is communicated with the outside, a clamping groove (17) is formed in the side wall of the handheld pipe (15), and the head of the ball plunger (16) is clamped in the clamping groove (17).

7. The adjustable ratchet wrench of claim 6, wherein: mounting hole (18) have been seted up in the outside of handheld pipe (15), mounting hole (18) internal rotation is connected with connecting plate (19), the one end that its self pivot was kept away from in connecting plate (19) rotates and is connected with transmission post (20), inlays when establishing in mounting hole (18) when connecting plate (19), the axial of transmission post (20) is perpendicular setting with the length direction who holds pipe (15), transmission post (20) deviate from the one end coaxial fixation of mounting hole (18) inner chamber have be used for with many arris head (21) of centre gripping mouth (3) looks adaptation, the other end of transmission post (20) is provided with joint spare (22) that are used for twisting the different model nuts of commentaries on classics.

8. The adjustable ratchet wrench of claim 7, wherein: joint spare (22) slide and keep away from butt joint needle (24), the reset spring (25) of setting at butt joint needle (24) tip of transmission post (20) one side at installation piece (23) including coaxial installation piece (23), a plurality of on transmission post (20), offer slot (26) that are used for butt joint needle (24) to slide on the lateral wall of installation piece (23), reset spring (25) one end is fixed on the inner wall of slot (26), and the tip at butt joint needle (24) is fixed to the other end.

9. The adjustable ratchet wrench of claim 7, wherein: the side wall of the connecting plate (19) is embedded with a first magnet block (27), and the inner wall of the mounting hole (18) is fixed with a second magnet block (28) used for adsorbing the first magnet block (27).

Technical Field

The application relates to the field of wrenches, in particular to an adjustable opening ratchet wrench.

Background

One end or two ends of the solid wrench are provided with openings with fixed sizes, the sizes of the openings are matched with the sizes of the screw head and the nut, and the solid wrench is manufactured according to standard sizes.

The head of the existing solid wrench is fixedly connected with a handheld part and is difficult to stretch. In the process of screwing the nut, the wrench needs to rotate 360 degrees, and when the nut is screwed in a limited space, the wrench needs to be taken out and clamped to screw the nut again when the nut is rotated by a certain angle because the wrench is difficult to stretch.

In view of the above-described related art, the inventors have considered that it is extremely inconvenient to turn the nut using such a wrench in a limited space.

Disclosure of Invention

In order to twist in limited twisting space, convenient quick twist nut more, this application provides an adjustable opening ratchet spanner.

The application provides a monkey open ratchet spanner adopts following technical scheme:

an open-end ratchet spanner which characterized in that: the nut wrench is characterized by comprising a static wrench piece and a movable wrench piece arranged at the head of the static wrench piece, a clamping opening for clamping a nut is formed between the static wrench piece and the movable wrench piece, an adjusting component for adjusting the size of the clamping opening is arranged on the side wall of the static wrench piece, an elastic component for resetting the movable wrench piece is further arranged on the static wrench piece, and a handheld component for facilitating a user to twist the nut is further arranged at one end, far away from the movable wrench piece, of the static wrench piece.

Through adopting above-mentioned technical scheme, place the nut in the centre gripping mouth, through adjusting part, make the activity pull the piece and be difficult to remove, make the overall dimension that centre gripping mouth can the adaptation nut simultaneously, when clockwise rotating the spanner through handheld subassembly, the nut is twisted and is changeed, when anticlockwise rotating the spanner, the activity pulls the piece and removes, thereby increase the inner chamber size of centre gripping mouth, the nut is difficult to twist reverse, the user can turn around the handheld subassembly of spanner to initial position this moment, and then alright further twist from initial position and change the nut, whole in-process of twisting the nut need not twist the commentaries on classics by three hundred sixty degrees, also need not make spanner and nut break away from, it is higher to twist the efficiency of rotating the nut.

Optionally, the adjusting part includes fixing joint plate, the mounting panel of rotation connection on the quiet piece lateral wall of pulling on the quiet piece lateral wall, run through on the lateral wall of quiet piece and seted up the shaft hole, the pivot of mounting panel is rotated and is connected in the shaft hole, the shaft hole is located between the activity piece of pulling and the handheld subassembly, be formed with the opening the same with centre gripping mouth shape size between joint plate and the mounting panel, piece and mounting panel fixed connection are pulled in the activity, all set up the catching groove that articulates nut arris portion on the lateral wall of piece and mounting panel is pulled in the activity, the inner chamber of catching groove intercommunication centre gripping mouth.

Through adopting above-mentioned technical scheme, when through centre gripping mouth centre gripping nut for collude the groove and connect in the arris portion of nut, use simultaneously under the cooperation of elastic component, rotate whole spanner, the nut is by the centre gripping pull the piece with quiet between the piece, thereby realize twisting the nut.

Optionally, the elastic component including set up the jacking spring on the quiet piece of pulling, slide the direction cap on the quiet piece of pulling, the mounting groove has been seted up on the quiet piece of pulling, the mounting groove is located the mounting panel pivot and the activity pulls between the piece, the direction cap slides in the mounting groove, jacking spring one end is fixed at the mounting groove inner wall, and the other end is fixed at the direction cap inner wall, the direction cap butt is pulled on the lateral wall of piece in the activity.

Through adopting above-mentioned technical scheme, under the effect of jacking spring, make the head of direction cap always the butt on the lateral wall of activity spanner piece, make the activity spanner piece always have the trend of shrink centre gripping mouth inner chamber size, use under the cooperation of colluding the groove simultaneously, the stability of twisting the nut has been promoted, simultaneously when the whole spanner of needs upset, the activity is pulled the piece and is rotated with the mounting panel synchronous emergence, the size of centre gripping mouth has been increased, when needs further twist the nut, under the effect of jacking spring restoring force, make the activity pull the piece collude the arris portion in the nut outside once more, alright further twist the nut once more this moment.

Optionally, one side that the direction cap butt activity was pulled the piece is circular-arc, the direction of sliding of direction cap and the length direction of spanner are the obtuse angle setting.

Through adopting above-mentioned technical scheme, reduced the friction of activity pull piece at removal in-process and direction cap, the activity of being convenient for more pulls the piece and removes, and the effort direction of the process jacking spring that the piece removed is pulled in the activity simultaneously is difficult to change for the activity pulls the piece and always has the trend of drawing in the centre gripping mouth.

Optionally, the shaft hole is clearance fit with the pivot of mounting panel, the inner wall in shaft hole is circular-arcly, the joint board is circular-arcly towards handheld subassembly one end, set up the arc mouth that is used for inlaying joint board circular arc portion on the lateral wall of mounting panel, arc mouth intercommunication mounting panel open-ended inside wall.

Through adopting above-mentioned technical scheme, the in-process of reversal spanner has increased centre gripping mouth open-ended scope, and the forward nut of turning of convenient to use person more.

Optionally, the handheld assembly comprises a handheld pipe inserted into one end, far away from the clamping opening, of the static pull piece and a ball plunger arranged on the side wall, far away from the clamping opening, of the static pull piece, one end of the handheld pipe is communicated with the outside, a clamping groove is formed in the side wall of the handheld pipe, and the head of the ball plunger is clamped in the clamping groove.

Through adopting above-mentioned technical scheme, will hold the pipe and pass through bulb plunger joint and fix the tip at quiet piece of pulling to pull and hold the pipe, convenient to use person grips whole spanner more.

Optionally, the mounting hole has been seted up in the outside of handing the pipe, the mounting hole internal rotation is connected with the connecting plate, the one end that its self pivot was kept away from to the connecting plate rotates and is connected with the transmission post, inlays when establishing in the mounting hole when the connecting plate, the axial of transmission post is perpendicular setting with the length direction of handing the pipe, the one end coaxial fixation that the transmission post deviates from the mounting hole inner chamber has the many arris head that is used for with centre gripping mouth looks adaptation, the other end of transmission post is provided with the joint spare that is used for twisting different model nuts.

Through adopting above-mentioned technical scheme, when needing to twist the nut that is difficult to the adaptation centre gripping mouth, rotate the connecting plate for one hundred eighty degrees of connecting plate upset, many arriss are located the centre gripping mouth this moment, and the transmission post is vertical setting, and the lower extreme of transmission post passes through joint spare joint and is waiting to twist the nut outside of changeing. The whole wrench is rotated, so that the transmission column and the clamping piece at the lower end synchronously rotate, and the nut at the lower end of the transmission column is screwed.

Optionally, the joint spare slides and keeps away from the butt joint needle of transmission post one side, sets up the reset spring at the butt needle tip at the installation piece including coaxial installation piece, the a plurality of fixing on the transmission post, offer the slot that is used for the butt joint needle to slide on the lateral wall of installation piece, reset spring one end is fixed on the inner wall of slot, and the tip at the butt needle is fixed to the other end.

Through adopting above-mentioned technical scheme, when needs twist and change the nut or the bolt that the centre gripping mouth is difficult to twist and change, make whole installation piece and the spanner of pushing down this moment, under the extrusion for the part butt needle on the installation piece retracts, the butt needle that a plurality of retracted forms the cavity with nut overall dimension looks adaptation down on the installation piece. So that turning the entire wrench can turn the lower nut.

Optionally, the lateral wall of connecting plate is gone up to inlay and is equipped with first magnet piece, be fixed with the second magnet piece that is used for adsorbing first magnet piece on the inner wall of mounting hole.

Through adopting above-mentioned technical scheme, under the initial situation, under the effect of no external force, the connecting plate is difficult to take place to rotate, convenient to use user's conventional use.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the whole process of screwing the nut does not need to be screwed by three hundred sixty degrees, the wrench does not need to be separated from the nut, the screwing is convenient, and the efficiency of screwing the nut is higher.

2. The nut or the bolt head with various shapes and sizes can be screwed, and the application range is wide.

Drawings

Fig. 1 is a schematic overall structure diagram of the first embodiment.

FIG. 2 is an exploded view of the overall structure at the static trigger position in accordance with one embodiment.

Fig. 3 is an exploded view of the overall structure at the location of the resilient member and hand held assembly in accordance with one embodiment.

Fig. 4 is a schematic view of the overall structure in the second embodiment.

Fig. 5 is a schematic view of the entire structure of the second embodiment of the clip.

Reference numerals: 1. a static pull sheet; 2. a movable spanner plate; 3. a clamping port; 4. an adjustment assembly; 5. an elastic member; 6. a handheld assembly; 7. a clamping and connecting plate; 8. mounting a plate; 9. a shaft hole; 10. hooking a groove; 11. a jacking spring; 12. a guide cap; 13. mounting grooves; 14. an arc-shaped opening; 15. a hand-held tube; 16. a ball plunger; 17. a clamping groove; 18. mounting holes; 19. a connecting plate; 20. a drive post; 21. a multi-edge head; 22. a clamping piece; 23. mounting blocks; 24. a butt joint pin; 25. a return spring; 26. a slot; 27. a first magnet block; 28. a second magnet block.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The first embodiment is as follows:

the embodiment of the application discloses an adjustable opening ratchet wrench.

Referring to fig. 1, an open-ended ratchet wrench comprises a fixed wrench piece 1 and a movable wrench piece 2, a clamping opening 3 for clamping a nut is formed between the fixed wrench piece 1 and the movable wrench piece 2, the shape of the clamping opening 3 is similar to that of an open-ended wrench, the nut to be screwed is placed in the clamping opening 3, and the nut can be screwed by clockwise rotating the whole wrench.

Referring to fig. 1, the both sides of piece 1 are all provided with the adjusting part 4 that is used for adjusting 3 sizes of centre gripping mouth to quiet, and adjusting part 4 includes joint board 7 and mounting panel 8, and 7 fixed connection of joint board are on the quiet lateral wall of pulling piece 1, and the inside wall of joint board 7 is flush with the inner wall of piece 1 is pulled to quiet and sets up, all offers the recess that is used for inlaying the nut lateral wall on joint board 7 and the quiet inside wall of pulling piece 1.

Referring to fig. 2, the mounting plate 8 is rotatably connected to the side wall of the static pull plate 1, an opening is formed between one end of the mounting plate 8, which is far away from the rotating shaft of the mounting plate, and the clamping plate 7, and the shape and size of the opening are the same as those of the clamping opening 3. The movable spanner sheet 2 is fixedly connected between the two mounting plates 8, so that the size of the clamping opening 3 can be adjusted by rotating the mounting plates 8.

Referring to fig. 2, shaft hole 9 has been seted up in the quiet through on pulling the lateral wall of piece 1, shaft hole 9 is located the intermediate position that quiet pulls piece 1, mounting panel 8's pivot is located the 9 internal rotations in shaft hole, the in-process of the whole spanner of anticlockwise rotation, the arris portion butt mounting panel 8 and the activity in the nut outside pull the piece 2 rotation, make the opening size increase of grip opening 3, the optimality is the triangle-shaped hole with shaft hole 9 setting, and the inner wall of shaft hole 9 is circular-arcly, shaft hole 9 is clearance fit with mounting panel 8's pivot, thereby further increased the scope that opens and shuts of grip opening 3, make the nut outside be difficult to produce the friction with the inward flange of grip opening 3 and wipe away.

Referring to fig. 2, the end of the clamping plate 7 close to the shaft hole 9 is arranged in a circular arc shape, an arc opening 14 is formed in the side wall of the mounting plate 8, the arc end of the clamping plate 7 is embedded in the inner cavity of the arc opening 14, and the side walls of the clamping plate and the arc opening are mutually attached. Therefore, under the condition that the wrench is rotated anticlockwise, the rotating shaft of the mounting plate 8 is in clearance fit with the shaft hole 9, and the arc end of the clamping plate 7 has a guiding effect on the rotation of the mounting plate 8. The swing range of the movable spanner piece 2 is enlarged, and the stability of opening and closing of the clamping opening 3 is improved. In the whole process of adjusting the opening and closing range of the clamping opening 3, the mounting plate 8 is difficult to freely swing and slide on the static pull plate 1.

Referring to fig. 2 and 3, the side walls of the mounting plate 8 and the movable spanner piece 2 are both provided with hook grooves 10, the hook grooves 10 are communicated with the inner cavity of the clamping opening 3, and the hook grooves 10 of the two mounting plates 8 and the movable spanner piece 2 are communicated with each other. When the nut is placed in the inner cavity of the clamping opening 3, the edge part outside the nut is embedded in the inner cavity of the hook groove 10. Meanwhile, the static pulling piece 1 is also provided with an elastic piece 5 used for limiting the movable pulling piece 2 to swing towards the direction away from the nut, and under the action of the elastic piece 5, the nut is tightly clamped in the inner cavity of the clamping opening 3 in the clockwise nut screwing process, and the edge of the nut is hooked in the hook groove 10 in the other hand.

Referring to fig. 3, after rotating whole spanner a certain angle around the nut, need further tighten the nut, anticlockwise rotation whole spanner this moment, after rotating the spanner to initial position, under the effect of elastic component 5, activity spanner piece 2 alright be kick-backed to initial position.

Referring to fig. 2 and 3, the elastic element 5 is located between the shaft hole 9 and the movable wrench piece 2, the elastic element 5 includes a jacking spring 11 and a guiding cap 12, a mounting groove 13 is provided on the sidewall of the stationary wrench piece 1, one end of the guiding cap 12 slides in the inner cavity of the mounting groove 13, and the other end extends out of the mounting groove 13 and is arc-shaped and abuts against the sidewall of the movable wrench piece 2. One end of the jacking spring 11 is fixed on the inner wall of the mounting groove 13, and the other end is fixed on the inner side wall of the guide cap 12. The axial of mounting groove 13 and the length direction of whole spanner are the obtuse angle setting. So that the movable blade 2 always has a tendency to contract the grip mouth 3 under the force of the jacking spring 11.

Referring to fig. 3, the end of the static pull plate 1 away from the movable pull plate 2 is further provided with a handheld assembly 6 for facilitating a user to twist the nut, the handheld assembly 6 comprises a handheld pipe 15 and a ball plunger 16, one end of the handheld pipe 15 is provided with an opening, and the end of the handheld pipe 15, which is provided with the opening, is inserted into the end of the static pull plate 1 away from the movable pull plate 2. Ball plunger 16 installs on the lateral wall of quiet piece 1 of pulling, has seted up joint groove 17 on the inside wall of handheld pipe 15, and joint groove 17 communicates the outside of handheld pipe 15, and ball plunger 16's bulb inlays and establishes in joint groove 17 to make handheld pipe 15 be difficult to break away from quiet piece 1 of pulling.

In the first embodiment of the present application, an implementation principle of the ratchet wrench with an adjustable opening is as follows: the nut to be screwed is placed in the clamping opening 3, the handheld pipe 15 is held to be screwed clockwise, and under the action of the hook groove 10 and the jacking spring 11, the nut and the wrench rotate synchronously, so that the nut locking effect is achieved.

When the nut needs to be further screwed up in limited space, anticlockwise pull handheld pipe 15, this moment under the effect of nut arris portion, make activity spanner piece 2 and mounting panel 8 synchronous motion, thereby enlarge centre gripping mouth 3, whole spanner can rotate round the nut, the nut does not take place any and twists this moment, when anticlockwise every rotates certain angle with the spanner, under the effect of jacking spring 11, centre gripping mouth 3 alright resume to the initial dimension size, the arris portion of nut alright collude again in colluding groove 10, alright clockwise rotation spanner once more this moment, realize the further locking of nut.

Example two:

referring to fig. 4, the difference between the second embodiment and the first embodiment is: the outer side of the handheld pipe 15 is provided with a mounting hole 18, the inner wall of the mounting hole 18 is connected with a connecting plate 19 in a mounting mode, and the connecting plate 19 can rotate one hundred eighty degrees along the rotating shaft of the connecting plate. The side wall of the connecting plate 19 is fixed with a first magnet block 27, the inner wall of the mounting hole 18 is fixed with a second magnet block 28, and the first magnet block 27 and the second magnet block 28 can attract each other, so that the connecting plate 19 is difficult to rotate under the condition of no external force.

Referring to fig. 4 and 5, one end of the connecting plate 19, which is far away from the rotation of the connecting plate, is rotatably connected with a transmission column 20, the transmission column 20 can be slightly adjusted and slid on the connecting plate 19, so as to be more adapted to the rotation of the whole wrench, the axial direction of the transmission column 20 is perpendicular to the length direction of the connecting plate 19, when the connecting plate 19 is located under the mounting hole 18, the transmission column 20 is vertically arranged, the lower end of the transmission column 20 is coaxially fixed with a multi-edge head 21, the shape of the multi-edge head 21 is adapted to the shape of the clamping opening 3, and the multi-edge head 21 can be clamped in the inner cavity of the clamping opening 3.

Referring to fig. 5, the one end that multiedge head 21 was kept away from to transmission post 20 still is provided with the joint spare 22 that is used for twisting different model size nuts, joint spare 22 is including installation piece 23, the tip at transmission post 20 is fixed to installation piece 23 coaxial, joint spare 22 still includes butt needle 24 and reset spring 25, a plurality of slot 26 has been seted up to one side interval that transmission post 20 was kept away from to installation piece 23 even, all slide in every slot 26 and have butt needle 24, reset spring 25 one end is fixed in the inner chamber of slot 26, the other end is fixed on the one end terminal surface that butt needle 24 stretched into in slot 26.

In the second embodiment of the present application, an implementation principle of the ratchet wrench with an adjustable opening is as follows: when needs are twisted to the nut of unsuitable joining in marriage centre gripping mouth 3 and are changeed, will connect 19 upsets one hundred eighty degrees of connecting plate this moment for many arriss head 21 is located centre gripping mouth 3, pushes down whole spanner, makes partial butt joint needle 24 compressed, thereby be formed with on the installation piece 23 with wait to twist the cavity of changeing nut appearance looks adaptation, thereby when centre gripping many arriss head 21 is twisted and is changeed, alright realize twisting the nut of unsuitable joining in marriage centre gripping mouth 3 and change.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.