CN109421006A

CN109421006A - The ratchet spanner of replaceable attachment head

Info

Publication number: CN109421006A
Application number: CN201710755103.2A
Authority: CN
Inventors: 赖盈良
Original assignee: Hao Yue Ltd Co
Current assignee: Hao Yue Ltd Co
Priority date: 2017-08-29
Filing date: 2017-08-29
Publication date: 2019-03-05

Abstract

A kind of ratchet spanner of replaceable attachment head, suitable for driving a driven member with a limited ring groove, the ratchet spanner of the replaceable attachment head includes leader's unit, a ratchet unit and an operating unit.The handle unit includes that a head for being formed with an accommodation groove and one are set to the pedestal of the head bottom side.The operating unit includes an operating knob for being set to the pedestal, an and elastic component, the operating knob has an embedding part, which can move between an inlay card position and a disengaged position relative to the pedestal, when the operating knob is at the inlay card position, the embedding part protrudes into the limited ring groove, when the operating knob is in the disengaged position, which deviates from the limited ring groove, which has the potential energy for driving the operating knob mobile towards the inlay card position, whereby, replaceable different tool heads.

Description

The ratchet spanner of replaceable attachment head

Technical field

The present invention relates to a kind of ratchet spanneres, more particularly to a kind of ratchet spanner of replaceable attachment head.

Background technique

As shown in Figure 1 and Figure 2, a kind of ratchet spanner for TaiWan, China invention patent certificate I 524970, Including a wrench body 10, a pawl seat 11 and an adjustment device 12.The wrench body 10 has a head 101 and one by this The shank 102 that head 101 extends backwards.The pawl seat 11 be rotatablely arranged at the head 101 and be used to drive one have one The tool heads 13 of annular groove 131.There is an adjustment knob 121, one to be connected to the adjustment knob 121 and be used to switch this for the adjustment device 12 The commutating structure 122, one of the rotation direction of pawl seat 11 is set to the wrench body 10 and 121 bottom of adjustment knob along short transverse The reset spring 123, one in face is hubbed at the head 101 and the fastener 124 between the adjustment knob 121 and the tool heads 13, and One is set to the elastic component 125 on the head 101.

The adjustment knob 121 has one to be extended and connected downward by the pushing part 126 positioned at the pushing part 126 on top and one In the steering portion of the commutating structure 122 127.The adjustment knob 121 can be in a rotation process mode (such as Fig. 1) and a pressing operation mould It is moved between formula (such as Fig. 2), when the adjustment knob 121 is in the rotation process mode, which pushes against the fastener 124, and makes The annular groove 131 (see Fig. 2) of the tool heads 13 is protruded into the front end of the fastener 124, and the tool heads 13 is made to be fixed in the pawl seat 11. When the adjustment knob 121 is in the pressing operation mode, which moves downward and squeezes the reset spring 123, the promotion Portion 126 can push against the fastener 124, and the fastener 124 is made to be switched to the annular groove 131 that front end is detached from the tool heads 13, make the tool First 13 are detached from the pawl seat 11.

When the adjustment knob 121 is located at the rotation process mode, user can be rotated the adjustment knob 121, pass through the steering portion 127 rotation directions for driving the commutating structure 122 to switch the pawl seat 11.When the adjustment knob 121 is located at the pressing operation When mode, user presses the adjustment knob 121, at this point, the tool heads 13 will fall off from the pawl seat 11, whereby, it is replaceable not Same tool heads.

However, such ratchet spanner is to rotate the pushing part 126 for replacing the tool heads 13 with the pawl seat 11 is switched The steering portion 127 in direction is integrated in the same adjustment knob 121, so switching turning for the pawl seat 11 rotating the adjustment knob 121 During dynamic direction, user usually can the inadvertent depression adjustment knob 121, and inadvertently fall off the tool heads 13, cause to make User is inconvenient.Meanwhile such ratchet spanner needs process the wrench body 10 for the adjustment knob 121, the commutation knot The space that structure 122, the reset spring 123 installation operate, causes the production of the wrench body 10 to become complicated, and processing is not easy, because This, manufacturing cost is high.

Summary of the invention

The purpose of the present invention is to provide a kind of avoidable tool heads accidental release and the low replaceable attachments of manufacturing cost The ratchet spanner of head.

The ratchet spanner of replaceable attachment head of the invention, is suitable for one driven member of driving, which has one Cross section is non-circular to be lower than the limited ring groove by drive section, the ratchet wrench of the replaceable attachment head by drive section and one Hand includes leader's unit, a ratchet unit and an operating unit.

The handle unit includes that a handle body with a head and one are set to the pedestal of the head bottom side, the head Portion is formed with an accommodation groove.

The ratchet unit is set to the head of the handle body, and the ratchet for being rotatablely arranged at the accommodation groove including one Seat, Ji Yike are operated to switch the commutation button in the direction that the pawl seat is one-directionally rotated relative to the handle body, the pawl seat It is formed with the non-circular drive hole in a cross section, which is used to allow removably being inserted by drive section of the driven member If.

The operating unit includes an operating knob for being movably arranged at the pedestal and an elastic component, which has One towards the accommodation groove embedding part, which is set between the one of them of the pedestal and the head and the operating knob, should Operating knob can move between an inlay card position and a disengaged position relative to the pedestal, when the operating knob is at the inlay card position, The embedding part protrudes into the limited ring groove of the driven member, and sliding with the limited ring groove, when the operating knob is in the disengaged position, The embedding part deviates from the limited ring groove of the driven member, which has the gesture for driving the operating knob mobile towards the inlay card position Energy.

The ratchet spanner of replaceable attachment head of the invention, the pedestal have one to define the inner peripheral surface of a mounting hole, one The inner peripheral surface is connected in contrast to the outer peripheral surface of the inner peripheral surface, the top surface of the connection inner peripheral surface and the outer peripheral surface and one and this is outer The limited ring groove of the bottom surface of circumferential surface, the driven member is located in the mounting hole, which is formed with one and is extended to by the inner peripheral surface The outer peripheral surface and the sliding slot being connected to the mounting hole, the bottom surface are formed with an opening being connected to the sliding slot, which includes One be slidedly arranged on the substrate of the sliding slot of the pedestal and one connect with the substrate and by the opening it is exposed push away tug block, which has The embedding part.

The ratchet spanner of replaceable attachment head of the invention, the operating knob push away tug block have one be located at the opening it is outer and by After the previous dynasty and the bottom passage that is downwardly inclined.

The ratchet spanner of replaceable attachment head of the invention, the bottom passage are formed with the on-slip of several time interval settings Groove.

The ratchet spanner of replaceable attachment head of the invention, the handle unit extend along a length direction, and the opening is at this Length on length direction is less than length of the sliding slot on the length direction, and it is small that this pushes away length of the tug block on the length direction In length of the opening on the length direction.

The ratchet spanner of replaceable attachment head of the invention, the handle unit extend along a length direction, and the opening is at this Length on length direction is less than length of the sliding slot on the length direction, and the substrate of the operating knob has one to be slidedly arranged on the bottom The plate body of the sliding slot of seat and one extended by the plate body and be pierced by the opening downward link block, which has the embedding part, should Link block is less than length of the opening on the length direction in the length on the length direction, this pushes away tug block and the link block bottom End connects and is located at outside the opening, this, which pushes away tug block, has the bottom passage.

The ratchet spanner of replaceable attachment head of the invention, the bottom passage are formed with guide mark.

The ratchet spanner of replaceable attachment head of the invention, the opening of the pedestal extend to the outer peripheral surface backwards, this pushes away tug Block is greater than length of the opening on the length direction in the length on the length direction.

The substrate rear end of the ratchet spanner of replaceable attachment head of the invention, the operating knob is formed with a positioning groove, the bullet Property part is connected between the locating slot and the head of the handle body.

The ratchet spanner of replaceable attachment head of the invention, the handle unit further include one being set to the head and the pedestal Top surface between and with a positioning hole partition, the pawl seat have one penetrate the location hole bottom end and one with the bottom end Portion connects and is connected to the ring shoulder of the top surface of the partition.

The beneficial effects of the present invention are: the operating knob and the commutation button are respectively arranged to the different location on the head, And cooperate the design of the pedestal using the embedding part of the operating knob, have the function that fixed or be detached from the driven member, work as use Person stir the commutation button switch the pawl seat rotation direction when, it can be ensured that the driven member is not fallen out, safety Height, and simple structure, manufacturing cost are low.

Detailed description of the invention

Other features of the invention and effect will be clearly presented in the embodiment referring to schema, in which:

Fig. 1 is a plan view, illustrates that an a kind of adjustment knob of existing ratchet spanner is located at a rotation process mode, makes one Tool heads are fixed in a pawl seat；

Fig. 2 is a cross-sectional view, illustrates that the adjustment knob of the existing ratchet spanner is located at a pressing operation mode, makes the work Tool head is loosened from the pawl seat；

Fig. 3 is a sectional perspective exploded view, illustrates a first embodiment of the ratchet spanner of replaceable attachment head of the present invention It is used with unification driven member；

Fig. 4 is a view for being similar to Fig. 3, but is watched from another angle；

Fig. 5 is an exploded partial perspective view of the first embodiment；

Fig. 6 is a perspective view of a pedestal of the first embodiment；

Fig. 7 is a perspective view of an operating knob of the first embodiment；

Fig. 8 is an incomplete cross-sectional view, illustrate the operating knob relative to the pedestal in an inlay card position, the operating knob One embedding part protrudes into a limited ring groove of the driven member；

Fig. 9 is a view for being similar to Fig. 8, illustrates the operating knob relative to the pedestal in a disengaged position, the embedding part Deviate from the limited ring groove of the driven member；

Figure 10 is a view for being similar to Fig. 4, illustrates that the first embodiment cooperates another driven member to use；

Figure 11 is a view for being similar to Fig. 4, illustrates that a second embodiment of the invention cooperates the driven member to use；

Figure 12 is a view for being similar to Fig. 6, illustrates the pedestal of the second embodiment；

Figure 13 is a view for being similar to Fig. 7, illustrates the operating knob of the second embodiment；And

Figure 14 is a view for being similar to Fig. 8, illustrates that the operating knob of the second embodiment is embedding at this relative to the pedestal Card position.

Specific embodiment

Before the present invention is described in detail, it shall be noted that in the following description content, similar component is with identical Number indicate.

Refering to Fig. 3, Fig. 4, Fig. 5, a first embodiment of the ratchet spanner 200 of replaceable attachment head of the present invention is suitable for Drive a driven member 9, the driven member 9 have a cross section it is non-circular by drive section 91, one by this by drive section 91 The active section 93 that the linkage section 92 and one extended downward is extended downward by the linkage section 92, which is lower than with one should By the limited ring groove 94 of drive section 91.In the present first embodiment, which is a kind of D of tool heads.This is replaceable The ratchet spanner 200 of tool heads includes leader's unit 2, a ratchet unit 3 and an operating unit 4.

Alleged front, rear, left and right, upper and lower direction are to use this can in Fig. 3 with user in the present first embodiment For the direction for replacing the ratchet spanner 200 of tool heads.

The handle unit 2 extends along a length direction L and including leader's ontology 21, a partition 22 and a pedestal 23.It should Handle body 21 has a head 211 and the grip part 212 that is extended backwards by the head 211, which has one to enclose Around the surrounding wall 215 for defining an accommodation groove 216, which extends to bottom surface 214 by top surface 213.The partition 22 setting Between the bottom surface 214 on the head 211 and the top surface of the pedestal 23 and there is a positioning hole 221.

Refering to Fig. 6, Fig. 8, which is set to 211 bottom side of head and is located under the partition 22, which has One inner peripheral surface 231, one for defining a mounting hole 230 connects the inner peripheral surface in contrast to the outer peripheral surface 232, one of the inner peripheral surface 231 231 and the outer peripheral surface 232 top surface 233 and one connect the inner peripheral surface 231 and the outer peripheral surface 232 bottom surface 234, the top surface 233 It is formed with a sliding slot 235 for being extended to the outer peripheral surface 232 by the inner peripheral surface 231 and being connected to the mounting hole 230, the bottom surface 234 It is formed with an opening 236 being connected to the sliding slot 235, length of the opening 236 on length direction L is less than the sliding slot 235 Length on length direction L.

Refering to Fig. 5, Fig. 8, which is set to the head 211 of the handle body 21, and rotationally sets including one It is placed in the pawl seat 31 of the accommodation groove 216, Ji Yike is operated to switch the pawl seat 31 relative to the handle body 21 unidirectionally The commutation button 32 in the direction of rotation, in the present first embodiment, which is set to the top side on the head 211, the ratchet Seat 31 penetrates the bottom end 312 and one of the location hole 221 of the partition 22 with the non-circular drive hole 311, one in a cross section The ring shoulder 313 of the top surface of the partition 22 is connect and is connected to the bottom end 312, which is used to that this is allowed to be driven Part 9 is removably plugged by drive section 91.When the driven member 9 is inserted in the pawl seat 31, the limit of the driven member 9 Annular groove 94 is located in the mounting hole 230.

Refering to Fig. 5, Fig. 7, Fig. 8, which includes an operating knob 41 for being movably arranged at the pedestal 23, and One elastic component 42.The operating knob 41 includes that the substrate 411 of a sliding slot 235 for being slidedly arranged on the pedestal 23 and one connect with the substrate 411 Connect and by the opening 236 it is exposed push away tug block 412.The substrate 411 has one to be formed in rear end and top is in the positioning of open shape Slot 413 and one it is located at front end and towards the embedding part of the accommodation groove 216 414.In the present first embodiment, this pushes away tug block 412 and exists Length on length direction L is less than length of the opening 236 on length direction L, this, which pushes away tug block 412, has one be located at should Opening 236 is outer and by after the previous dynasty and the bottom passage 416 that is downwardly inclined, the embedding part 414 have one and the limited ring groove 94 The cambered surface 415 that radius of curvature is worked in coordination, the bottom passage 416 are formed with the on-slip groove 417 of several time interval settings, should Elastic component 42 is connected between the locating slot 413 and the head 211 of the handle body 21.

Refering to Fig. 8, Fig. 9, which can be relative to the pedestal 23 in an inlay card position (see Fig. 8) and a disengaged position It is moved between (see Fig. 9), as shown in figure 8, the embedding part 414 protrudes into the driven member 9 when the operating knob 41 is at the inlay card position Limited ring groove 94, and it is sliding with the limited ring groove 94.As shown in figure 9, when the operating knob 41 is in the disengaged position, the inlay card The limited ring groove 94 of the driven member 9 is deviate from portion 414, which, which has, drives the operating knob 41 mobile towards the inlay card position Potential energy.It is understood that the elastic component 42 can also be set to the pedestal in other change case of this first embodiment 23 and the operating knob 41 substrate 411 between, can equally have the potential energy for driving the operating knob 41 mobile towards the inlay card position.

Whereby, refering to Fig. 4, Fig. 8, when user is by the drive for being arranged in the pawl seat 31 by drive section 91 of the driven member 9 When dynamic hole 311, the embedding part 414 of the operating knob 41 can be by the sliding slot for being pushed back the pedestal 23 by drive section 91 of the driven member 9 In 235, after this is slid completely into the accommodation groove 216 by drive section 91, the elastic restoring force of the elastic component 42 drives the operation Button 41 is moved to the inlay card position, so that the embedding part 414 is embedded in the limited ring groove 94 of the driven member 9, reaches positioning action, User can drive the driven member 9 driving one to be sheathed on the tool on the active section 93 using the ratchet spanner 200, such as Sleeve (not shown).

If user wants to switch the rotation direction of the pawl seat 31, as long as stirring being somebody's turn to do positioned at the top side on the head 211 Commutate button 32, can switch to the one-directional rotation direction of the pawl seat 31.

In the present first embodiment, which is to be appreciated that, such as with a kind of D of tool heads as explanation Shown in Figure 10, this first embodiment also can be suitably used for the driven member 9' of another sleeve kenel, and but not limited to this.

Refering to Fig. 8, Fig. 9, when user will replace different driven member 9', as long as user is by 41 court of operating knob After be pushed to the disengaged position, the driven member 9 will Automatic-falling, at this point, user can install driven member 9'.Value It must illustrate, this first embodiment is that the contours profiles being downwardly inclined backwards using the bottom passage 416 and the on-slip are recessed User can facilitate and pushes the operating knob 41 for the design of slot 417.

Via above explanation, the advantages of this first embodiment, can be summarized as follows:

1. the present invention is that the operating knob 41 and the commutation button 32 are respectively arranged to 211 bottom end of head of the handle unit 2 And top side, compared to the prior art, the present invention is when switching the rotation direction of the pawl seat 31 using the commutation button 32, completely not It will cause the driven member 9 and the situation that accident falls off occur, therefore, compared to the prior art, of the invention is safe to use.

2. the operating unit 4 of the invention is to be set to the pedestal 23, compared to the prior art, the present invention is not needed substantially Change the space structure on the head 211 of the existing handle body 21, and the simple structure of the pedestal 4, handling ease, therefore, Manufacturing cost is low.

3. operating knob 41 of the invention pushes away the bottom passage 416 of tug block 412 backwards by this and the cambered surface being downwardly inclined is made Type can push backwards the operating knob 41 and be not easy to slip, in addition, the on-slip using the bottom passage 416 is recessed convenient for user Slot 417 can assist user more firm when pushing the operating knob 41.

Refering to fig. 11, it is a second embodiment of the invention, is suitable for driving the driven member 9, which is Similar to the first embodiment, main difference be in:

As shown in figure 12, the opening 236 of the pedestal 23 extends to the outer peripheral surface 232 backwards, and the rear end of the opening 236 is in open Put shape.

1, Figure 13, Figure 14 refering to fig. 1, the substrate 411 of the operating knob 41 have the locating slot 413, one for being formed in rear end The plate body 418 and one for being slidedly arranged on the sliding slot 235 of the pedestal 23 are extended downward by the plate body 418 and are pierced by the connection of the opening 236 Block 419.The plate body 418 has the embedding part 414, and length of the link block 419 on length direction L is less than the opening 236 Length on length direction L.This pushes away tug block 412 and connect and be located at outside the opening 236 with 419 bottom end of link block, this is pushed away Tug block 412 is greater than length of the opening 236 on length direction L in the length on length direction L.This pushes away tug block 412 Bottom passage 416 cancels the setting of the on-slip groove 417, which is formed with guide mark 43, convenient for users to recognizing the pushing direction of the operating knob 41.

Therefore, this second embodiment is other than it can reach purpose identical with above-mentioned first embodiment and effect, this second The opening 236 of embodiment can make this push away tug block 412 closer to the rear end of the pedestal 23, and using the setting of the link block 419 It is mutually staggered with the substrate 411, compared to the first embodiment, this pushes away tug block 412 and can more retreat, and far from the driven member 9 active section 93, this pushes away the clearance between tug block 412 and the active section 93 of the driven member 9 and increases, so can be suitably used for this Biggish driven member 9 of 93 outer diameter of active section, in addition, can also allow on the active section 93 can be arranged the biggish tool (example of outer diameter Such as sleeve), so, the applicability of this second embodiment is good.

In conclusion the ratchet spanner of replaceable attachment head of the present invention not only can effectively avoid the driven member 9 because accidentally grasping Make and accidental release, and be not required to dramatically change the construction of existing handle head, therefore, it is safe to use and can reduce manufacture at This is low, so can reach the purpose of the present invention really.

As described above, only the embodiment of the present invention is when cannot be limited the scope of implementation of the present invention with this, i.e., all According to simple equivalent changes and modifications made by claims of the present invention and description, all still belong to the scope of the present invention.

Claims

1. a kind of ratchet spanner of replaceable attachment head, is suitable for one driven member of driving, which has a cross section It is non-circular that the limited ring groove by drive section is lower than by drive section and one, it is characterised in that: the spine of the replaceable attachment head Wheel spanner includes:

Leader's unit, the handle body and one for having a head including one are set to the pedestal of the head bottom side, the head shape Cheng Youyi accommodation groove；

One ratchet unit is set to the head of the handle body, and the pawl seat for being rotatablely arranged at the accommodation groove including one, And one can be operated to switch the commutation button in the direction that the pawl seat is one-directionally rotated relative to the handle body, which forms There is a non-circular drive hole in a cross section, which is used to allow removably being plugged by drive section of the driven member；And

One operating unit, the operating knob for being movably arranged at the pedestal including one and an elastic component, the operating knob have a court To the embedding part of the accommodation groove, which is set between the one of them of the pedestal and the head and the operating knob, the operation Button can move between an inlay card position and a disengaged position relative to the pedestal, and when the operating knob is at the inlay card position, this is embedding The limited ring groove of the driven member is protruded into card division, and sliding with the limited ring groove, and when the operating knob is in the disengaged position, this is embedding The limited ring groove of the driven member is deviate from card division, which has the potential energy for driving the operating knob mobile towards the inlay card position.

2. the ratchet spanner of replaceable attachment head according to claim 1, it is characterised in that: the pedestal has one to define The outer peripheral surface of the inner peripheral surface of one mounting hole, one in contrast to the inner peripheral surface, a top surface and one for connecting the inner peripheral surface and the outer peripheral surface The inner peripheral surface and the bottom surface of the outer peripheral surface are connected, the limited ring groove of the driven member is located in the mounting hole, which is formed with One sliding slot for being extended to the outer peripheral surface by the inner peripheral surface and being connected to the mounting hole, the bottom surface are formed with one and are connected to the sliding slot Opening, the operating knob include that the substrate of a sliding slot for being slidedly arranged on the pedestal and one connect and exposed by the opening with the substrate Tug block is pushed away, which has the embedding part.

3. the ratchet spanner of replaceable attachment head according to claim 2, it is characterised in that: the operating knob pushes away tug block tool Having one, to be located at the opening outer and by after the previous dynasty and the bottom passage that is downwardly inclined.

4. the ratchet spanner of replaceable attachment head according to claim 3, it is characterised in that: the bottom passage is formed with number The on-slip groove of a time interval setting.

5. the ratchet spanner of replaceable attachment head according to claim 4, it is characterised in that: the handle unit is along a length Direction extends, which is less than length of the sliding slot on the length direction in the length on the length direction, this pushes away tug block and exists Length on the length direction is less than length of the opening on the length direction.

6. the ratchet spanner of replaceable attachment head according to claim 3, it is characterised in that: the handle unit is along a length Direction extends, which is less than length of the sliding slot on the length direction in the length on the length direction, the operating knob The link block that substrate has the plate body of a sliding slot for being slidedly arranged on the pedestal and one is extended downward by the plate body and be pierced by the opening, The plate body has the embedding part, which is less than length of the opening on the length direction in the length on the length direction Degree, this pushes away tug block and connect and be located at outside the opening with the link block bottom end, this, which pushes away tug block, has the bottom passage.

7. the ratchet spanner of replaceable attachment head according to claim 6, it is characterised in that: the bottom passage is formed with one Guide mark.

8. the ratchet spanner of replaceable attachment head according to claim 7, it is characterised in that: the opening of the pedestal is prolonged backwards The outer peripheral surface is extended to, this pushes away tug block and is greater than length of the opening on the length direction in the length on the length direction.

9. the ratchet spanner of replaceable attachment head according to claim 2, it is characterised in that: the substrate rear end of the operating knob It is formed with a positioning groove, which is connected between the locating slot and the head of the handle body.

10. the ratchet spanner of replaceable attachment head according to claim 2, it is characterised in that: the handle unit further includes One is set between the head and the top surface of the pedestal and has the partition of a positioning hole, which has one to penetrate the location hole Bottom end and one connect and be connected to the bottom end partition top surface ring shoulder.