CN206550936U

CN206550936U - Ratchet spanner

Info

Publication number: CN206550936U
Application number: CN201720028784.8U
Authority: CN
Inventors: 张忠林
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-01-10
Filing date: 2017-01-10
Publication date: 2017-10-13
Anticipated expiration: 2027-01-10

Abstract

The utility model discloses a kind of ratchet spanner, including pinch bar, main wrench body, ratchet plate and elastic pressuring clamping device, the head of pinch bar is cylindrical and offers mounting hole, and the tail end of pinch bar is provided with connecting portion, and connecting portion is used to be detachably connected with polytype secondary wrench body；Main wrench body is plugged in mounting hole, and can be rotated around the axis of mounting hole, and the perisporium of main wrench body offers circumferentially distributed teeth；Pinch bar is articulated with the middle part of ratchet plate, ratchet plate offers the first teeth groove and the second teeth groove that can be engaged with teeth towards the both sides of main wrench body respectively；Elastic pressuring clamping device is loaded on pinch bar, for bestowing elastic thrust to ratchet plate so that the first teeth groove or the second teeth groove engage with teeth.The utility model technology can be according to using needing to change different types of wrench body, so as on the premise of material is saved, further increase the use function of ratchet spanner.

Description

Ratchet spanner

Technical field

The utility model is related to spanner technical field, more particularly to a kind of ratchet spanner.

Background technology

Ratchet spanner (or speeder wrench) is placed in narrow or inaccessible position due to can more successfully twist Nut or bolt and widely used.

A kind of ratchet spanner, its pinch bar as disclosed in the utility model that China Patent No. is " 201220629856.1 " Side spanner is installed, the other end of pinch bar is provided with open-end wrench, by pulling ratchet plate appointing to the ratchet plate , can be with wrench toward accordingly toward corresponding direction rotating spanner handle after the teeth groove of meaning side and the teeth of spanner fasten Direction is rotated simultaneously, so as to twist the nut for being placed on spanner, and pinch bar toward opposite direction rotate when, then spanner and nut not with Pinch bar is rotated, when pinch bar is rotated backward in place, then is pulled pinch bar and rotated toward described respective direction, with after Continuous band wrench and nut rotation, and so repeat to by nut to twist in place.Obviously, this ratchet spanner is passed through, it is ensured that twist It is time saving, laborsaving without spanner is removed from nut during the entire process of turn nut, it is applicable to more use occasion.And Open-end wrench shares a pinch bar with spanner, can increase the use function of ratchet spanner in the case where saving material.

But, in place of this ratchet spanner still has some deficits, reason is：What its open-end wrench was formed in one with pinch bar Overall, both are non-dismountable, it is thus impossible to according to using needing arbitrarily to change different types of spanner.

Utility model content

Main purpose of the present utility model is to propose a kind of ratchet spanner, it is intended to change different types of pull as needed Hand.

To achieve the above object, the utility model proposes a kind of ratchet spanner, including：

Pinch bar, the head of the pinch bar is cylindrical and offers mounting hole, the tail end of the pinch bar Provided with connecting portion, the connecting portion is used to be detachably connected with polytype secondary wrench body；

Main wrench body, the main wrench body is plugged in the mounting hole, and can be rotated around the axis of the mounting hole, described The perisporium of main wrench body offers circumferentially distributed teeth；

It is articulated with the pinch bar in the middle part of ratchet plate, the ratchet plate, the ratchet plate is towards the main wrench body Both sides offer the first teeth groove and the second teeth groove that can be engaged with the teeth respectively；

Elastic pressuring clamping device, the elastic pressuring clamping device is loaded on the pinch bar, for bestowing bullet to the ratchet plate Property thrust is so that first teeth groove or second teeth groove engage with the teeth, when first teeth groove or described When two teeth groove engage with the teeth, the pinch bar is only capable of driving the main wrench body to rotate toward a direction.

Technical solutions of the utility model the rear end of the pinch bar be provided with connecting portion, and can by the connection with it is a variety of The secondary wrench body of type is detachably connected, and main wrench body and secondary wrench body is shared pinch bar, and can be according to using needs Different types of wrench body is changed, so as on the premise of material is saved, further increase the use function of ratchet spanner.

Brief description of the drawings

Fig. 1 is the schematic perspective view of the utility model ratchet spanner.

Fig. 2 is the front view of the first embodiment of the utility model ratchet spanner；

Fig. 3 is the front view of second of embodiment of the utility model ratchet spanner；

Fig. 4 is the front view of the third embodiment of the utility model ratchet spanner；

Fig. 5 is the schematic diagram of the utility model ratchet spanner ratchet plate.

Embodiment

Below in conjunction with accompanying drawing, the technical scheme in the utility model embodiment is clearly and completely described, shown So, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiments.Based on this practicality Embodiment in new, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made Example is applied, the scope of the utility model protection is belonged to.

If it is to be appreciated that related in the utility model embodiment directionality indicate (such as up, down, left, right, before and after, Top, bottom, inside and outside, vertical, transverse direction, longitudinal direction, counterclockwise, clockwise, circumferentially, radially, axially ...), then directionality is indicated only For explaining relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each part etc., if When the particular pose changes, then directionality indicates also correspondingly therewith to change.

If in addition, relate to the description of " first " or " second " etc. in the utility model embodiment, should " first " or The description of person " second " etc. is only used for describing purpose, and it is not intended that indicating or implying its relative importance or implicit indicate The quantity of indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include to Few this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be common with this area Technical staff can be implemented as basis, when the combination appearance of technical scheme is conflicting or can not realize it will be understood that this skill The combination of art scheme is not present, also not within the protection domain of the utility model requirement.

The utility model proposes a kind of ratchet spanner.

In the utility model embodiment, as shown in Fig. 1 to 5, the ratchet spanner, including pinch bar 1, main wrench body 2, spine Take turns piece 3 and elastic pressuring clamping device.

Wherein, the pinch bar 1 is shaft-like, and its head 11 is cylindrical and offers mounting hole, the pinch bar 1 Tail end be provided with connecting portion 12, the connecting portion 12 be used for be detachably connected with polytype secondary wrench body.Specifically, institute It can be monkey wrench body (see Fig. 2), double offset ring spanner body (see Fig. 3), open-end wrench body (see Fig. 4) or interior six to state secondary wrench body The different types of wrench bodies such as angle wrench body (not shown).Due to monkey wrench body, double offset ring spanner body, open-end wrench body or interior The different types of wrench body such as die nut body is prior art, and is well known to those skilled in the art, not right here Its concrete structure and operation principle are repeated.

The main wrench body 2 at least side is provided with many rib holes, and such as Fig. 2 to 5 show the situation that both sides all set many rib holes, The size in many rib holes of both sides is preferably different, and many rib holes are used to be inserted in bolt or nut (not shown) and drive spiral shell Bolt or nut rotation, the main wrench body 2 are plugged in the mounting hole, and can be rotated around the axis of the mounting hole, described The perisporium of main wrench body 2 offers circumferentially distributed teeth 21.

The middle part of the ratchet plate 3 is articulated with the pinch bar 1, and center (axis of such as hinge) pendulum can be hinged around it Dynamic, the both sides of the ratchet plate 3 towards the main wrench body 2 offer the first teeth groove that can be engaged with the teeth 21 respectively 31 and second teeth groove 32.

The elastic pressuring clamping device is loaded on the pinch bar 1, for bestowing elastic thrust to the ratchet plate so that institute State the first teeth groove 31 or second teeth groove 32 engages with the teeth 21, when first teeth groove 31 or second tooth When groove 32 engages with the teeth 21, the pinch bar 1 is only capable of driving the main wrench body 2 to rotate toward a direction.

The utility model ratchet spanner can be according to using needing to change different types of wrench body, so as to save material Under the premise of, further increase the use function of ratchet spanner.

Specifically, the connecting portion 12 can have numerous embodiments, in a better embodiment, such as the institutes of Fig. 1 to 4 Show, the connecting portion is the stud located at the tail end of pinch bar 1, accordingly, and the secondary wrench body 100 is provided with and the spiral shell The screw that post coordinates, the stud spins with the screw, so that the pinch bar 1 and the secondary wrench body 100 is removable Connection is unloaded, and a pinch bar 1 is shared with the main wrench body 2, thus can be as needed, replacing is provided with and stud Secondary wrench body (such as monkey wrench body, double offset ring spanner body, open-end wrench body or the inner hexagon spanner body difference of the screw of matching The wrench body of type).

In addition to above-mentioned embodiment, the connecting portion 12 can also (inserted link be preferably non-cylindrical for inserted link Inserted link, for example, polygon prism.), accordingly, the secondary wrench body 100 offers the slot being engaged with the inserted link, will be described Inserted link inserts the slot, you can be detachably connected the secondary wrench body 2 and the pinch bar 1.Further, can be in institute The position for stating the cell wall correspondence inserted link of slot opens up screw hole (not shown) and installs screw rod (not shown), by the screw rod When being screwed onto its rod end and inserted link side wall and offseting, secondary wrench body 100 and the pinch bar 1 can detachably be fastened, to prevent Only the secondary wrench body 100 comes off from the pinch bar 1.

It is to be appreciated that as shown in Fig. 1 to 5, the pinch bar 1 offers the spacing hole through its left wall and right wall 13, the top of the spacing hole 13 is communicated with the mounting hole, and the part of teeth 21 is located at the spacing hole 13 and the peace The region that dress hole is communicated, the middle part of the ratchet plate 3 is articulated with the spacing hole 13, and the left side and right side of ratchet plate 3 are stretched Go out the spacing hole 13, pull it for human hand is hinged center rotating, the lower wall of the spacing hole 13 and the ratchet plate 3 around it The relative position in middle part open up slotted eye, the elastic pressuring clamping device includes the top spring 5 and spacing ejector pin 4 being placed in slotted eye, its In, the lower end of the top spring 5 and the bottom wall of the slotted eye offset, and the upper end of the top spring 5 upsprings the spacing ejector pin 4 Property is butted on the ratchet plate 3, for bestowing elastic thrust to the ratchet plate 3 so that first teeth groove 31 or described second Teeth groove 32 engages with the teeth 21.Exemplified by shown in Fig. 2, by ratchet plate 3 pull to the second teeth groove 32 on the right side of it with it is described Behind the position that teeth 21 fasten, the spacing ejector pin 4 bestows drive under the elastic force effect of the top spring 5 to the ratchet plate 3 The elastic thrust for making second teeth groove 32 engage with the teeth 21.Nut or bolt are inserted in the main wrench body 2 Afterwards, if around the mounting hole axis both clockwise rotate the pinch bar 1 when, the pinch bar 1 can drive the master to pull Hand body 2 is rotated clockwise, so as to twist nut or bolt clockwise, and if being rotated counterclockwise around the axis of the mounting hole During the pinch bar 1, the second teeth groove 32 of the ratchet plate 3 is under the reaction force acts of the teeth 21, to lower swing And discharge the main wrench body 2, the main wrench body 2 is not rotated with pinch bar 1.When pinch bar 1 is rotated counterclockwise After in place, the spacing ejector pin 4 again pushes up the ratchet plate 3 to its second teeth groove 32 to be engaged with the teeth 21, now, Rotate the pinch bar 1 further around the axis both clockwise of the mounting hole and can continue to drive main wrench body 2 and nut (or spiral shell Bolt) rotate clockwise, and so repeat to by nut or bolt to twist in place, vice versa.It should be noted that the bullet The property structure of pressing device and the mounting means of the ratchet plate have numerous embodiments, and are those skilled in the art institute Know, other embodiment is not repeated here.

Specifically, as shown in figure 1, there is tangent plane 111 in the left side and/or right side on the head of the pinch bar 1 (or top), The arranged on left and right sides on the head 11 of pinch bar 1 is set at least to form the plane that an area is much larger than nail head, in order to tap The small objects such as nail (such as nail).Nail can particularly be squeezed into corresponding position (relevant position of such as plank), so that The utility model ratchet spanner is provided simultaneously with the function of spanner and hammer, improves the use work(of the utility model ratchet spanner Can, one is carried hammer without other, and the work to staff is brought convenience.

Further, the pinch bar 1 is provided with Anti-slip cover 6 for the region that human hand is gripped, and the Anti-slip cover 6 can use soft Property material is made, for example, rubber or plastics etc., to improve the comfort level and stability of gripping.Specifically, the Anti-slip cover 6 Surface be provided with tiny anti-skid bulge or recess 61.

Specifically, the roof on the head of the pinch bar 1 offers the oil filler point 112 for connecting the mounting hole, can lead to Cross the oil filler point 112 to inject lubricating oil in the mounting hole, to be lubricated the main wrench body 2, so as to ensure institute State main wrench body 2 and rotate smooth.

It should be noted that in addition to connecting different types of secondary wrench body 100, the connecting portion 12 can be used for Being detachably connected hammer, bottle opener or chisel etc. needs other instruments of handle.

Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, It is every utility model of the present utility model design under, the equivalent structure made using the utility model specification and accompanying drawing content Conversion, or directly/be used in other related technical fields indirectly and be included in scope of patent protection of the present utility model.

Claims

1. ratchet spanner, it is characterised in that including：

Pinch bar, the head of the pinch bar is cylindrical and offers mounting hole, and the tail end of the pinch bar is provided with Connecting portion, the connecting portion is used to be detachably connected with polytype secondary wrench body；

Main wrench body, the main wrench body is plugged in the mounting hole, and can be rotated around the axis of the mounting hole, and the master pulls The perisporium of hand body offers circumferentially distributed teeth；

Be articulated with the pinch bar in the middle part of ratchet plate, the ratchet plate, the ratchet plate towards the main wrench body two Side offers the first teeth groove and the second teeth groove that can be engaged with the teeth respectively；

Elastic pressuring clamping device, the elastic pressuring clamping device is loaded on the pinch bar, is pushed away for bestowing elasticity to the ratchet plate Power is so that first teeth groove or second teeth groove engage with the teeth, when first teeth groove or second tooth When groove engages with the teeth, the pinch bar is only capable of driving the main wrench body to rotate toward a direction.

2. ratchet spanner as claimed in claim 1, it is characterised in that：The secondary wrench body is monkey wrench body, double offset ring spanner Body, open-end wrench body or inner hexagon spanner body, the connecting portion are the stud located at the pinch bar tail end, and the pair is pulled Hand body is provided with the screw coordinated with the stud, and the stud spins with the screw, the pinch bar is pulled with the pair Hand body is detachably connected.

3. ratchet spanner as claimed in claim 1, it is characterised in that：The secondary wrench body is monkey wrench body, double offset ring spanner Body, open-end wrench body or inner hexagon spanner body, connecting portion is inserted link, and the secondary wrench body is offered to be engaged with the inserted link Slot, the inserted link inserts after the slot, the secondary wrench body and the pinch bar is detachably connected.

4. ratchet spanner as claimed in claim 3, it is characterised in that：Open the position of the cell wall correspondence inserted link of the slot If screw hole simultaneously installs screw rod, when the screw rod being screwed onto into its rod end and inserted link side wall offseting, by the secondary wrench body with The pinch bar is detachably fastened.

5. ratchet spanner as claimed in claim 1, it is characterised in that：The pinch bar is provided with anti-for the region that human hand is gripped Sliding sleeve.

6. ratchet spanner as claimed in claim 5, it is characterised in that：The Anti-slip cover is made of rubber or plastics.

7. ratchet spanner as claimed in claim 6, it is characterised in that：Specifically, the surface of the Anti-slip cover is provided with anti-skidding convex Rise or recess.

8. ratchet spanner as claimed in claim 1, it is characterised in that：The roof on the head of the pinch bar offers connection The oil filler point of the mounting hole.

9. ratchet spanner as claimed in claim 1, it is characterised in that：The left side and/or right side on the pinch bar head have Tangent plane.

10. ratchet spanner as in one of claimed in any of claims 1 to 9, it is characterised in that：The pinch bar, which is offered, to be passed through The spacing hole of its left wall and right wall is worn, the top of the spacing hole is communicated with the mounting hole, the teeth part is located at described It is articulated with the middle part of the region that spacing hole and the mounting hole are communicated, the ratchet plate in the spacing hole, and a left side for ratchet plate The spacing hole is stretched out on side and right side, and the lower wall of the spacing hole position relative with the middle part of the ratchet plate opens up slotted eye, The elastic pressuring clamping device includes the top spring and spacing ejector pin being placed in the slotted eye, lower end and the slotted eye of the top spring Bottom wall is offseted, and spacing the upspringing property of ejector pin is butted on the ratchet plate by the upper end of the top spring, for the ratchet plate Elastic thrust is bestowed so that first teeth groove or second teeth groove engage with the teeth.