CN206048022U - A kind of spanner - Google Patents

Abstract

This utility model provides a kind of spanner, including anti-drop device；Anti-drop device includes the first drive mechanism, actuating unit, the first detent mechanism；First drive mechanism includes a drive socket being set on left section of handle；Actuating unit drives drive socket to move to left；First detent mechanism includes slide plate, the first drive link；Slide plate slides are fixed on the front side wall of head and move left and right, and the first drive link includes cross frame；Cross frame is fixed on head by the first elastic component；The left branch leg of cross frame is slided with head right-hand member and is fixed, and offers dovetail groove on the slide plate；Dovetail groove is wide at the top and narrow at the bottom；Card angle on front limit lower limb is spacing in dovetail groove；The chute horizontally slipped for fastener is offered in the left end lower wall of drive socket；Chute depth is gradually deep from left to right；In chute during relative movement, the first elastic component receives pulling force to fastener.Compared with prior art, by slide plate is arranged on driving end, make spanner when in use, slide plate is ridden on the side wall of nut, prevent spanner from sliding.

Description

A kind of spanner

Technical field

This utility model is related to mounting and dismounting tool technical field, and specifically one kind has anti-drop function and angle is more The spanner of change.

Background technology

Spanner is requisite apparatus in our daily life.Common spanner has box spanner, adjustable wrench：Hook-type is pulled Handss, inner hexagon spanner, torque spanner etc..Spanner does not have the fixedly adjustable function of head angle mostly, for small space, or knot Where structure complexity, just smoothly cannot install or remove.Meanwhile, when using spanner, due to the deadweight reason of spanner, reciprocal During convolution, head is easily departed from nut, needs to realign nut, and Consumer's Experience effect is poor.

Utility model content

The purpose of this utility model is that spanner angle in prior art is non-adjustable and eely defect in order to solve, there is provided A kind of spanner is solving the above problems.

To achieve these goals, the technical solution of the utility model is as follows：

A kind of spanner, the spanner include head, handle from left to right successively；The handle includes together from left to right successively Axle is fixedly connected and left section of hollow handle and right section of handle；Left section of external diameter of the handle is less than right section of external diameter of the handle；Institute The left end for stating left section of handle is connected with the head；

The spanner also includes anti-drop device；The anti-drop device includes the first drive mechanism, actuating unit, the first positioning Mechanism；

First drive mechanism includes a drive socket being set on left section of the handle；The drive socket is in institute State and move left and right on left section of handle；

The actuating unit is fixed between first drive mechanism and right section of handle；The actuating unit drives described Drive socket is moved left and right；

First detent mechanism includes slide plate, the first drive link；The slide plate slides are fixed on the front side of the head Wall, the slide plate are moved left and right in the front side wall of the head；First drive link includes cross frame；The cross frame Including left, right, front and rear supporting leg；The cross frame is fixed on the head by the first elastic component；The cross frame Left branch leg and the head right-hand member slide and fix, and the end of the forward and backward supporting leg of the cross frame extends upward forward and backward respectively Limiting leg；The head is stuck between forward and backward limiting leg；

The front limit lower limb is provided with Ka Jiao；Dovetail groove is offered on the slide plate；The dovetail groove is wide at the top and narrow at the bottom；Institute State card angle spacing in the dovetail groove；

The right leg ends of the cross frame extend upward fastener, open up in the left end lower wall of the drive socket There is the chute horizontally slipped for fastener；The chute depth is gradually deep from left to right；Fastener rotation in the chute；It is described When fastener is in the chute right-hand member, the first elastic component tension.

Preferably, first detent mechanism is included on the rostral anterior wall and is fixed with first baffle, cover plate；It is described The back side of slide plate arranges rectangular channel and offers rectangular channel；The first baffle is in the rectangular channel and is in the rectangular channel Right-hand member；It is spacing in the rectangular channel to have rectangular channel to have the second elastic component；The right-hand member of second elastic component withstands on described The left side of one baffle plate, the left end of second elastic component withstand on the left end in the rectangular channel；It is under rectangular channel free state, described Second elastic component is pressurized；The dovetail groove is opened in the back side of the slide plate the right side in the rectangular channel；The cover plate The rostral anterior wall is fixed on, and the slide plate is limited between the cover plate and the rostral anterior wall；The head Right side wall offers T-slot from bottom to top；The cross frame left branch leg end is provided with the slide block being adapted to the T-slot.

Preferably, the head is rotated with the handle and is connected；The spanner also includes the second detent mechanism；Described second Detent mechanism includes the sticking department for being fixed on the head right-hand member and the second drive link for being through the intracavity of handle；The locking Portion arranges a rotating shaft；The sticking department is rotated by the left end of left section of the rotating shaft and the handle and is connected；The head is surrounded The rotating shaft carries out 180 ° of rotations of before and after, and the fastener rotary shaft is coaxial with the rotating shaft；The left end of second drive link Coordinate to form latch-up structure with the sticking department.

Preferably, the actuating unit includes protecting sleeve, the 3rd elastic component；3rd elastic component is by the drive sleeve Cylinder, right section of handle, protection sleeve are spacing on left section of the handle；Under free state, the 3rd elastic component is pressurized, so as to right The drive socket extruding is at the left side of left section of the handle.

Preferably, the first slide opening is offered on left section of the handle；The second slide opening is offered on right section of the handle； The first sliding part is fixed with the left side body of rod of second drive link；First sliding part passes through first slide opening and institute State drive socket to fix；First sliding part does side-to-side movement in first slide opening；On the right side of second drive link The second sliding part is fixed with side lever body；Second sliding part is exposed at outside the handle through second slide opening；It is described Second sliding part does side-to-side movement in second slide opening；Under free state；3rd elastic component drives the drive sleeve Cylinder is moved to left；The drive socket drives second drive link to lock with the sticking department by the first sliding part.

Preferably, the actuating unit includes the female turnbarrel of a tool；Be provided with left section of the handle with The external screw thread of the turnbarrel screw-internal thread fit；Sleeve described in turn realizes moving left and right for the drive socket.

Preferably,：Second drive link is through in the handle；The first slide opening is offered on left section of the handle； The first sliding part is fixed with the transmission club shaft；First sliding part passes through first slide opening and the drive socket It is fixedly connected；Turnbarrel described in turn is moved to the left which, so that the drive socket is moved to left；The drive socket is by the One sliding part drives second drive link to lock with the sticking department.

Preferably, the sticking department is to fix a cake in the head right-hand member；The rotating shaft is justified in the sticking department Heart position；Rectangular aperture is offered symmetrically on the forward and backward side wall of the left end of left section of the handle；The sticking department stretches into the square In shape opening, and the upper and lower side wall of the left end by left section of the rotating shaft and the handle is fixed；On the circumference of the cake With teeth or lock hole is set；The left end of second drive link is the tooth engaged with the tooth, or a left side for second drive link End is the latch mutually locked with the lock hole.

Preferably, the fastener is ball head column.

Preferably, first elastic component, the second elastic component, the 3rd elastic component are spring；The 3rd elastic component set It is located on left section of the handle；The two ends of the 3rd elastic component withstand on the right side of the drive socket and the handle respectively On the right section of step with left section of formation of the handle.

This utility model compared with prior art, has the advantages that：

By rotatable and lockable head, spanner is made to be used in the working place of special construction, it is easy to use.

By slide plate is arranged on driving end, spanner is made when in use, slide plate is ridden on the side wall of nut, prevent spanner from sliding Fall.

By the second drive link, actuating unit, drive socket cooperation, make the head can be in any angle locking, operation side Just it is simple, convenient for unlocking.

Description of the drawings

Fig. 1 is a kind of main structure diagram of spanner of this utility model；

Axle side structure schematic diagrams of the Fig. 2 for Fig. 1；

Fig. 3 is a kind of structural representation of spanner in embodiment 3；

Structural representations of the Fig. 4 for a kind of 4 spanner of embodiment；

Fig. 5 is the axial section structural representation of turnbarrel in Fig. 4；

Fig. 6 is A portions thin portion mplifying structure schematic diagram in Fig. 3 and Fig. 4；

Fig. 7 is the structural representation of the first drive link in embodiment 6；

Fig. 8 is the structural representation of T-bar in embodiment 6；

Fig. 9 is the structural representation of the first drive link in embodiment 7；

Figure 10 is the structural representation of the first drive link in embodiment 8；

Figure 11 is the structural representation of the second drive link in embodiment 9；

Figure 12 is the structural representation of the second drive link in embodiment 10；

Figure 13 is the structural representation of the second drive link in embodiment 11.

Specific embodiment

To make to have a better understanding and awareness architectural feature of the present utility model and the effect reached, to compared with Good embodiment and accompanying drawing coordinate detailed description, are described as follows：

The orientation title such as the left, right, front and rear mentioned in this utility model, upper and lower, with accompanying drawing 1 as reference basis.

As shown in Figure 1, Figure 2, Figure 3 shows, a kind of spanner, the spanner that this utility model is previously mentioned are not limited only to shown in the drawings Spanner, can also be box spanner, adjustable wrench：Hook spanner, inner hexagon spanner, torque spanner, ratchet spanner, also including other Need to carry out the instrument of spin locking.

The spanner includes head 1, handle 2 from left to right successively；Handle 2 includes being fixedly and coaxially connected from left to right successively And right section 22 of left section 21 of hollow handle and handle；Left section of 21 external diameters of handle are less than right section of 22 external diameters of handle；Left section 21 of handle Left end is connected with head 1.

Spanner also includes anti-drop device；Anti-drop device includes the first drive mechanism 3, actuating unit 4, the first detent mechanism 5.

Wherein, the first drive mechanism 3 includes a drive socket 31 being set on left section 21 of handle；Drive socket 31 is in handss Move left and right on left section 21 of handle.

Actuating unit 4 is fixed between right section 22 of the first drive mechanism 3 and handle；Actuating unit 4 drives drive socket 31 Move left and right.

First detent mechanism 5 includes slide plate 51, cover plate 52, the first drive link 53.

As shown in fig. 6, first baffle 11 is fixed with 1 front side wall of head, the back side of slide plate 51 is provided with rectangular channel 511；First baffle 11 is in rectangular channel 511 and positioned at the right side of rectangular channel 511.It is spacing in rectangular channel 511 to have the second bullet Property part 54, the right-hand member of the second elastic component 54 withstand on the left side wall of first baffle 11, and the left end of the second elastic component 54 withstands on rectangular channel 511 left side wall.Under free state, the second elastic component 54 is pressurized.At the back side of slide plate 51 and in the right side of rectangular channel 511 Dovetail groove 55 is offered, dovetail groove 55 is wide at the top and narrow at the bottom.Cover plate 52 is fixed on 1 front side wall of head, and slide plate 51 is limited in cover plate Between 52 and 1 front side wall of head.

Slide plate 51 is moved left and right under external force, and the distance for moving to left is about the wall thickness of nut, rides over spiral shell by slide plate 51 On female side wall, the purpose that spanner is not slipped is realized.

The external force that slide plate 51 is moved to the left comes from the first drive link 53 and drive socket 31.Specially：

First drive link 53 includes cross frame 531；Cross frame 531 includes left, right, front and rear supporting leg.Cross frame 531 are fixed on head 1 by the first elastic component 532.The left branch leg of cross frame 531 is slided with 1 right-hand member of head and is fixed, specifically For：

1 right side wall of head offers T-slot 12 from bottom to top；531 left branch leg end of cross frame is provided with suitable with T-slot 12 The slide block 5311 matched somebody with somebody.T-slot 12 it is spacing under, the first drive link 53 is only capable of moving up and down, it is impossible to move left and right.

The right leg ends of cross frame 531 extend upward fastener 5313, open in the left end lower wall of drive socket 31 It is provided with the chute 311 horizontally slipped for fastener 5313；311 depth of chute is gradually deep from left to right.Fastener 5313 is right in chute 311 During end, 532 tension of the first elastic component.

The end of the forward and backward supporting leg of cross frame 531 extends upward forward and backward limiting leg respectively；Head 1 is stuck in forward and backward Between limiting leg, head 1 have the stopper slot being adapted with front and back limiting leg so that in front and back limiting leg in stopper slot on move down It is dynamic.Front limit lower limb is provided with card angle 5312；Card angle 5312 protrudes from the stopper slot of head 1 and spacing in dovetail groove 55.

When fastener 5313 is in 311 right-hand member of chute, under the reset response of the first elastic component 532, on cross frame 531 Move, cause top of the card angle 5312 in dovetail groove 55, i.e., wider position is in the presence of the second elastic component 54 resets, sliding Plate 51 is moved to left, and is ridden on the wall of nut side, is realized spanner anti-drop function.The fastener 5313 that this utility model is provided is ball head column, with Realize in rotary course in each angle when with transmission cylinder 31 with the relative slip of the resistance of minimum.

Wherein drive socket 31 is driven by actuating unit 4 and is moved to left, and actuating unit 4 has various ways.No matter head 1 with Handle 2 is to be fixedly connected, or rotates connection, and actuating unit 4 can be divided into two kinds of forms, a kind of pushing structure 41, Yi Zhongzhuan Dynamic structure 42.It is specific as follows：

Embodiment 1

As shown in figure 3, the actuating unit of pushing structure, including protection sleeve 411, the 3rd elastic component 412；3rd elastic component 412 are transmitted right section 22 of sleeve 31, handle, protect sleeve 411 spacing on left section 21 of handle.Under free state, the 3rd is elastic Part 412 is pressurized, so as to the left side of left section 21 of handle is to the extruding of drive socket 31.

Embodiment 2

As shown in Figure 4, Figure 5, the actuating unit 4 of rotational structure, has female turnbarrel 421 including one；In handss Handle is provided with the external screw thread 422 with turnbarrel screw-internal thread fit for left section 21；Turn turnbarrel 421 realizes drive socket 31 Move left and right.In order to realize that drive socket 31 is linked with turnbarrel 421, this utility model is by drive socket 31 and turnbarrel 421 are both designed as hollow cylinder, and are designed to mutually socket in the right-hand member of drive socket 31 and the left end of turnbarrel 421 Rotation-limited structure, i.e. the right-hand member outer wall in drive socket 31 arranges annular card key 31a, in 421 right-hand member inwall of turnbarrel Be provided with fastener 31a limiting cards and annular slot 421a, be socketed by drive socket 31 and turnbarrel 421 and by card The position limiting structure of groove 421a and fastener 31a, realizes that the rotation of turnbarrel 421 drives drive socket 31 or so to move when moving left and right It is dynamic.

When head 1 and handle 2 are rotated to be connected, for locking head 1, in addition it is also necessary to by the second detent mechanism 6.It is concrete to tie Structure is：

Second detent mechanism 6 includes the sticking department 61 for being fixed on 1 right-hand member of head and the second drive link for being through 2 inner chamber of handle 62；Sticking department 61 arranges a rotating shaft；Sticking department 61 is connected by the left end rotation of left section 21 of rotating shaft and handle.Head 1 is surrounded and is turned Axle carries out 180 ° of rotations of before and after, and 5313 rotary shaft of fastener is coaxial with rotating shaft；The left end of the second drive link 62 is matched somebody with somebody with sticking department 61 Close to form latch-up structure.

Embodiment 3

As shown in figure 3, when the such as pushing structure of embodiment 1 of actuating unit 4, in order to realize that head 1 is locked, need to be in handle The first slide opening 211 is offered on left section 21, the second slide opening 221 is offered on right section 22 of handle.The left side of the second drive link 62 The first sliding part 621 is fixed with the body of rod；First sliding part 621 is fixed through the first slide opening 211 with drive socket 31；First slides Side-to-side movement is done in the first slide opening 211 in dynamic portion 621；The second sliding part is fixed with the right side body of rod of the second drive link 62 622；Second sliding part 622 is exposed at outside handle 2 through the second slide opening 221, is pushed or pull on the second sliding part 622 and is slided second Side-to-side movement is done in hole 221.Under free state；As the 3rd elastic component 42 is pressurized, the 3rd elastic component 42 drives drive sleeve Cylinder 31 is moved to left；Drive socket 31 drives the second drive link 62 to lock with sticking department 61 by the first sliding part 621.Meanwhile, transmission After sleeve 31 is moved to left, fastener 5313 is in 311 right-hand member of chute, under the reset response of the first elastic component 532, makes at card angle 5312 In the top of dovetail groove 55, i.e., wide position, then under the reset response of the second elastic component 54, slide plate 51 is moved to left, and realizes anticreep Function.The second sliding part 622 is pulled to the right, you can unblock.

Embodiment 4

As shown in Figure 4, Figure 5, when the such as rotational structure of embodiment 2 of actuating unit 4, need to offer on left section 21 of handle First slide opening 211；The first sliding part 621 is fixed with transmission club shaft；First sliding part 621 is through the first slide opening 211 and biography Moving sleeve 31 is fixedly connected；Turn turnbarrel 421 is moved to the left which, in annular card key 31a and the limit of annular slot 412a Position is rotatably assorted down, moves to left drive socket 31；Drive socket 31 drives the second drive link 62 and lock by the first sliding part 621 Determine portion 61 to lock.Meanwhile, after drive socket 31 is moved to left, fastener 5313 is in 311 right-hand member of chute, in answering for the first elastic component 532 Position effect under, make card angle 5312 in dovetail groove 55 top, i.e., wide position, under the reset response of the second elastic component 54, Slide plate 51 is moved to left, and realizes anti-drop function.Conversely, turn turnbarrel 421 to the right, in annular slot 421a and annular fastener Under the spacing cooperation of 31a, turnbarrel 421 drives drive socket 31 to move to right, then because the first sliding part 621 and drive socket 31 It is fixedly connected, drive socket 31 drives the second drive link 62 to move to right during moving to right, you can realize unblock.

Embodiment 5

The mechanism of the either structure of embodiment 3, or embodiment 4, sticking department 61 can be to fix in 1 right-hand member of head One cake；Rotating shaft is in 61 home position of sticking department；Rectangle is symmetrically offered on the forward and backward side wall of the left end that left section 21 of handle to open Mouthful；Sticking department 61 is stretched in rectangular aperture, and the upper and lower side wall of the left end by left section 21 of rotating shaft and handle is fixed.In cake Provided circumferentially about with teeth or lock hole；The left end of the second drive link 62 is the tooth engaged with tooth, or a left side for the second drive link 62 End is the latch mutually locked with lock hole, to realize locking.

First elastic component 532 of this utility model offer, the second elastic component 54, the 3rd elastic component 42 are spring.Wherein 3rd elastic component 42 is set in handle left section 21 and actuating unit 4 between；The two ends of the 3rd elastic component 42 withstand on drive sleeve respectively On right section 22 step with left section 21 formation of handle in right side and handle of cylinder 31.

Embodiment 6

As shown in Figure 7, Figure 8, the first drive link 53 that this utility model is provided is not realized upwards by the second elastic component 54 Motion.Specially：531 points of cross frame is conehead bar 531a and drive rod 531b, rotation convergence part 531c.Conehead bar 531a is right Hold to extend the conehead in chute 311 upwards, the other end is rotated with the rectangular channel of 1 right side bottom of head and is connected, bored The rotating shaft of head rod 531a and the shaft parallel of head.Drive rod 531b is a U-shaped bar, and head is stuck in U-shaped bar.Before U-shaped bar Leg is in dovetail groove.Rotation convergence part 531c includes a T-bar 531c1, limits with two in the cross bar of T-bar 531c1 Position ring 531c2, the montant bottom of T-bar is connected with the rotation of conehead bar 531a.The rotating shaft of T-bar 531c1 and two it is spacing The circle center line connecting of ring 531c2 with 1 shaft parallel of head.

When conehead is in chute right-hand member (compared with deep end), conehead bar 531a right-hand members are rotated up, and convergence part is rotated 531c is moved upwards, and rotation convergence part 531c drives drive rod 531b to move upwards, and the leg upper end of drive rod 531b enters ladder 55 top of shape groove, i.e., wider part, under the reset response of the second elastic component, slide plate 51 is moved to left.

Embodiment 7

As shown in figure 9, the first drive link 53 that this utility model is provided is not effected up by the second elastic component 54, Can also realize in the following way.

Rotate with one end of L-shaped the first drive rod 53A at the top of front support leg and be connected, L-shaped the first drive rod 53A's is another One end is rotated with one end of the second drive rod 53B and is connected, and the other end of the second drive rod 53B is rotated with the right-hand member of slide plate 51 and connected Connect.The rotating shaft of the first drive rod 53A and the second rotating bar is each perpendicular to the rotating shaft of head.When conehead is in chute right-hand member (compared with Depths), under the reset response of the first elastic component, move and drive the first drive rod 53A to rotate on front support leg, the first drive rod 53A drives the second drive rod 53B to be moved to the left, and the second drive rod 53B drives slide plate 51 to move to left.

Embodiment 8

As shown in Figure 10, the first drive rod 53 by gear drive, can realize the purpose of the locking of slide plate 51 and unblock. A change-speed gearing 53C is fixed in front support leg left pivot movement in head top face.The left side of front support leg is with nibbling with change-speed gearing 53C The tooth of conjunction, 51 right-hand member lower surface of slide plate is with the tooth that 53C is engaged with change-speed gearing.

When conehead is in chute right-hand member (higher depth), under the reset response of the first elastic component, move and band on front support leg Dynamic change-speed gearing is rotated counterclockwise, and the change-speed gearing for rotating counterclockwise drives slide plate 51 to move to left.

The various structures of the first drive rod 53 in above-described embodiment 6 to 8, arbitrarily can coordinate with first angle 5312 with Dovetail groove 15 and the second elasticity 54 are realizing purpose that slide plate is moved left and right.

Embodiment 9

As shown in figure 11, the unlocking manner of the second detent mechanism 6, can also be oblique by one is arranged on the second drive link 62 Face 62a, is vertically arranged a pressure ram 6b on handle right end sidewalls, and the bottom of pressure ram 6a arranges one with the second drive link The inclined-plane 6b1 that inclined-plane on 62 is engaged.When unblock is needed, pressure ram 6a is pushed, the inclined-plane 6b1 of pressure ram 6a and second is passed The extruding force of the inclined-plane 62a of lever 62 mutually slide-shaped paired second drive links 62, extruding force drive the second drive link 62 to the right It is mobile, so as to realize unblock.

Embodiment 10

As shown in figure 12, the unlocking manner of the second detent mechanism 6, can also be by being provided with the second drive link 62 Tooth, horizontally rotates on right section of handle and is fixed with a swingle 6A, a gear 6A1, gear 6A1 and second are fixed on swingle 6A Tooth engagement on drive link 62, rotates swingle, by the engagement of tooth on gear 6A and the second drive link 62, so as to realize Second drive link 62 moves to right unblock.

Embodiment 11

As shown in figure 13, the unlocking manner of the second detent mechanism 6, can also be fixed by the right-hand member in the second drive link 62 One right angle drive rod 62C, realizes unblock.Specially：At right angle, the right angle of drive rod 62C arranges a rotating shaft 62C1, turns Axle 62C1 is fixed on right section of handle, and one end of right angle drive rod 62C is rotated with the right-hand member of the second drive link 62 and is connected, the other end It is connected with pressing lever 62C2, pressing lever 62C2 is stretched out outside handle.By pressing pressing lever 62C2, mono- turn of right angle drive rod 62C is made Axle 62C1 is rotated, and so as to drive the second drive link 62 to move to right, realizes unblock.

Ultimate principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description Simply principle of the present utility model, on the premise of without departing from this utility model spirit and scope, this utility model also has respectively Changes and improvements are planted, these changes and improvements are both fallen within the range of claimed this utility model.This utility model is required Protection domain defined by appending claims and its equivalent.

Claims (10)

1. a kind of spanner, the spanner include head, handle from left to right successively；It is characterized in that：The handle is from left to right Include successively being fixedly and coaxially connected and left section of hollow handle and right section of handle；Left section of external diameter of the handle is right less than the handle Section external diameter；The left end of left section of the handle is connected with the head；

The spanner also includes anti-drop device；The anti-drop device includes the first drive mechanism, actuating unit, the first localization machine Structure；

First drive mechanism includes a drive socket being set on left section of the handle；The drive socket is in the handss Move left and right on left section of handle；

The actuating unit is fixed between first drive mechanism and right section of handle；The actuating unit drives the transmission Sleeve is moved left and right；

First detent mechanism includes slide plate, the first drive link；The slide plate slides are fixed on the front side wall of the head, institute The front side wall that slide plate is stated in the head is moved left and right；First drive link includes cross frame；The cross frame includes Left, right, front and rear supporting leg；The cross frame is fixed on the head by the first elastic component；A left side for the cross frame Lower limb and the head right-hand member slide and fix, the end of the forward and backward supporting leg of the cross frame extend upward respectively front limit lower limb, Limiting leg afterwards；The head is stuck between forward and backward limiting leg；

The front limit lower limb is provided with Ka Jiao；Dovetail groove is offered on the slide plate；The dovetail groove is wide at the top and narrow at the bottom；The card Angle is spacing in the dovetail groove；

The right leg ends of the cross frame extend upward fastener, offer confession in the left end lower wall of the drive socket The chute that fastener horizontally slips；The chute depth is gradually deep from left to right；When the fastener is in the chute right-hand member, described the One elastic component tension.

2. a kind of spanner according to claim 1, it is characterised in that：Before first detent mechanism is included in the head First baffle, cover plate are fixed with the wall of side；The back side of the slide plate offers rectangular channel；The first baffle is in the rectangle In groove and in the right-hand member of the rectangular channel；It is spacing in the rectangular channel to have rectangular channel to have the second elastic component；Second bullet The right-hand member of property part withstands on the left side of the first baffle, and the left end of second elastic component withstands on the left end of the rectangular channel；Square Under shape groove free state, second elastic component is pressurized；The dovetail groove is opened in the back side of the slide plate and in the square The right side of shape groove；The cover plate is fixed on the rostral anterior wall, and the slide plate is limited in the cover plate with the head Between front side wall；The right side of head wall offers T-slot from bottom to top；The cross frame left branch leg end be provided with it is described The slide block of T-slot adaptation.

3. a kind of spanner according to claim 2, it is characterised in that：The head is rotated with the handle and is connected；It is described Spanner also includes the second detent mechanism；Second detent mechanism includes being fixed on the sticking department of the head right-hand member and is through institute State the second drive link of intracavity of handle；The sticking department arranges a rotating shaft；The sticking department is by the rotating shaft and the handle Left section of left end rotates connection；The head carries out 180 ° of rotations of before and after, and the fastener rotary shaft and institute around the rotating shaft State rotating shaft coaxial；The left end of second drive link coordinates to form latch-up structure with the sticking department.

4. a kind of spanner according to claim 3, it is characterised in that：The actuating unit includes protecting sleeve, the 3rd bullet Property part；3rd elastic component is spacing on left section of the handle by the drive socket, right section of handle, protection sleeve；Freely Under state, the 3rd elastic component is pressurized, so as to the left side of left section of the handle is to drive socket extruding.

5. a kind of spanner according to claim 4, it is characterised in that：The first slide opening is offered on left section of the handle； The second slide opening is offered on right section of the handle；The first sliding part is fixed with the left side body of rod of second drive link；Institute State the first sliding part to fix through first slide opening with the drive socket；First sliding part is in first slide opening Do side-to-side movement；The second sliding part is fixed with the right side body of rod of second drive link；Second sliding part passes through institute State the second slide opening to be exposed at outside the handle；Second sliding part does side-to-side movement in second slide opening；Free state Under；3rd elastic component drives the drive socket to move to left；The drive socket drives described second by the first sliding part Drive link is locked with the sticking department.

6. a kind of spanner according to claim 3, it is characterised in that：The actuating unit includes the female rotation of a tool Rotaring sleeve；The external screw thread with the turnbarrel screw-internal thread fit is provided with left section of the handle；Sleeve described in turn is realized The drive socket is moved left and right.

7. a kind of spanner according to claim 6, it is characterised in that：Second drive link is through in the handle； The first slide opening is offered on left section of the handle；The first sliding part is fixed with the transmission club shaft；First sliding part It is fixedly connected through first slide opening with the drive socket；Turnbarrel described in turn is moved to the left which, so that described Drive socket is moved to left；The drive socket drives second drive link to lock with the sticking department by the first sliding part.

8. according to a kind of arbitrary described spanner of claim 3 to 7, it is characterised in that：The sticking department is right in the head A cake is fixed at end；The rotating shaft is in the sticking department home position；It is right on the forward and backward side wall of the left end of left section of the handle Title offers rectangular aperture；The sticking department is stretched in the rectangular aperture, and by left section of the rotating shaft and the handle The upper and lower side wall of left end is fixed；In the provided circumferentially about with teeth or lock hole of the cake；The left end of second drive link is The tooth engaged with the tooth, or the left end of second drive link is the latch mutually locked with the lock hole.

9. a kind of spanner according to claim 1, it is characterised in that：The fastener is ball head column.

10. a kind of spanner according to claim 4, it is characterised in that：First elastic component, the second elastic component, the 3rd Elastic component is spring；3rd elastic component is set on left section of the handle；Push up respectively at the two ends of the 3rd elastic component On the right section of step with left section of formation of the handle in the right side of the drive socket and the handle.