CN2283550Y - Control structure for ratchet screwdriver - Google Patents
Control structure for ratchet screwdriver Download PDFInfo
- Publication number
- CN2283550Y CN2283550Y CN 96234573 CN96234573U CN2283550Y CN 2283550 Y CN2283550 Y CN 2283550Y CN 96234573 CN96234573 CN 96234573 CN 96234573 U CN96234573 U CN 96234573U CN 2283550 Y CN2283550 Y CN 2283550Y
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- CN
- China
- Prior art keywords
- gear
- sleeve
- ratchet
- operating bar
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to a control structure for a ratchet screwdriver, which comprises a sleeve barrel; an operating rod is arranged in the inner part of the sleeve barrel and the periphery side of the sleeve barrel is provided with a through groove; the operating rod is provided with a gear; an operating block is glidingly arranged in the through groove and is provided with two ratchets with different directions, which can be used for engaging with the gear; a pushing block can be used for pushing the operating block to move backwards and forwards along the through groove; a spring can be used for pressing the two ratchets downwards to engage with the gear; therefore, when the two ratchets are respectively engaged with the gear, the utility model can control the positive rotation action and the reversing rotation action of the gear and the operating rod; besides, when the two ratchets are simultaneously engaged with the gear, the utility model can be used for fixedly locking the gear and the operating rod without doing the positive rotation action and the reversing rotation action.
Description
The utility model system is relevant for a kind of ratchet screw control structure relevant for hardware ﹠ tools especially.
Ratchet screw is widely used in our daily life quite at large, wherein a kind of use ratchet screw quite of a specified duration as shown in figure 11, it comprises the inner gear (91) that embeds of a sleeve pipe (90), and be provided with two in sleeve (90) the inside and make the rotation direction that moving plate (92,93) can be controlled this gear for nibbling this gear (91).Yet, because these two made moving plate (92,93) and gear (91) just " line contacts ", make that the twisting resistance of its impedance gear (91) rotation is quite little, so of a specified duration this two made moving plate and damaged quite easily and can't act on this ratchet service time one.
Therefore have and manyly per capita various shift design is done in the control of the rotation direction of gear, wherein as shown in figure 12 a kind of, it is also at the inner gear (91) that embeds of a sleeve (90), with and an operating bar (95) that can rotate and can move up and down is set on sleeve (90), this operating bar can rotate so that can select to nibble the direction of gear (91), with and can move up and down and can form the action of ratchet screw.Yet, because this operating bar must want and can rotate, so that it must be done is circular, and owing to due to the structure of this figure tee section, so the contact area of nibbling gear (91) of this operating bar is quite little, so the twisting resistance that its impedance gear (91) rotates is also quite little.
In view of this, the applicant is active development research, and the phase can be created a kind of control structure that can more strengthen the ratchet screw of start torsion.
A purpose of the present utility model ties up in the control structure that a kind of ratchet screw is provided, and the control structure that its control gear rotates is quite firm and can be so that the twisting resistance of this ratchet screw strengthens widely.
Control structure according to a kind of ratchet screw provided by the utility model, it mainly comprises a sleeve, the one end can be for setting firmly a lever, its other end then is provided with a containing hole can be for embedding an operating bar, this sleeve is provided with one and wears groove and this containing hole and be connected, this operating bar one end is provided with a combined hole can be for retaining elements such as engaging screw and nuts, this start leverage is supported in this sleeve the inside rotationally, this operating bar is provided with a gear and is arranged on corresponding to the place of wearing groove, its feature ties up in one and wears groove the inside as what motion block was slidingly arranged in this sleeve, then being provided with the opposite ratchet of two directions in this bottom of making motion block can be for nibbling this gear, one pushing block blocks this and makes motion block and can promote this to make motion block and wear groove along this and move forward and backward, one spring system is arranged on this and does between motion block and this pushing block and this two ratchet down can be urged and nibble this gear, this pushing block top is provided with a push button, one shell is sheathed this sleeve outside that is fixed on, this shell is provided with a chute can supply chimeric this push button, making this make motion block can utilize this push button to promote and can wear groove along this and move forward and backward, make the just reverse that when this two ratchet is nibbled this gear respectively, can control this gear and this operating bar move by this, and when this two ratchet was nibbled this gear simultaneously, it can lock this gear and this operating bar and can't do the action that is just reversing.
This operating bar position therebetween is provided with an annular groove, and a gag lever post is engaged on this sleeve inner and is entrenched in this annular groove, makes this operating bar and can not deviate from this sleeve in this sleeve the inside rotation.
Wear the groove two ends at this and be respectively equipped with a link stopper and a screw, this screw can be for this gag lever post of engagement, and this shell one end be provided with a breach can be for nibbling this link stopper, its other end then is provided with a hole can so make this shell can very firmly be fixed to this sleeve outside in conjunction with this gag lever post.
This sleeve inner is provided with a locating hole, and an end of this operating bar be provided with the prominent body in a location can be for meshing this locating hole rotationally, make that this operating bar can be very firmly and be supported in this sleeve the inside rotationally.
Being provided with some at this chute periphery can be positioned at this push button forward and backward toward the limited block of interior extensions and three positions such as centre.
Be described in detail as follows below in conjunction with accompanying drawing and preferred embodiment of the present utility model work one:
Fig. 1 is a stereogram of the present utility model;
Fig. 2 is an exploded view of the present utility model;
Fig. 2 A is the schematic diagram of another embodiment of pushing block of the present utility model;
Fig. 3 is the cutaway view that the hatching 3-3 of Fig. 1 is got;
Fig. 4 and Fig. 5 system is respectively of the present utility model one side-looking and the end-view of making motion block;
Fig. 6 and Fig. 7 be of the present utility model do motion block nibble gear look closely the action schematic diagram;
Fig. 8, Fig. 9 and Figure 10 are the lateral action schematic diagram of nibbling gear of making motion block of the present utility model;
Figure 11 and Figure 12 system show the exploded view of two kinds of traditional ratchet screws respectively.
The utility model mainly comprises a sleeve (10), and the one end can be for setting firmly a lever (11), and its other end then is provided with a containing hole (12) can be for embedding an operating bar (20).This sleeve (10) is provided with one and wears groove (13) and this containing hole (12) is connected, and wears the groove two ends at this and be respectively equipped with a link stopper (14) and a screw (15), and this screw can be for engagement one gag lever post (16).This sleeve (10) inside is provided with a locating hole (17).These operating bar (20) one ends are provided with a combined hole (21) can supply retaining elements such as engaging screw, nut, extension bar, and its other end be provided with the prominent body (22) in a location can be for meshing this locating hole (17) rotationally, and make this operating bar (20) can very firmly and can be supported in this sleeve (10) the inside rotationally.This operating bar (20) is provided with a gear (23) and is arranged on corresponding to the place, middle part of wearing groove (13).And more be provided with an annular groove (24) in the middle part of this operating bar (20) can be for engagement this gag lever post (16), make this operating bar (20) to rotate and can not deviate from this sleeve (10) in this sleeve (10) the inside.
One do motion block (30) be slidingly arranged in this sleeve (10) wear groove (13) the inside, this is done motion block (30) top and is provided with the end that a shrinkage pool (31) can supply a chimeric spring (32), then being provided with the opposite ratchet of two directions (33,34) in this bottom of making motion block (30) can be for nibbling this gear (23).One pushing block (35) bottom is provided with a groove (36) can make motion block (30) for blocking this, make this pushing block (35) can promote this and make motion block (30), this spring (32) is to be arranged on this to do between motion block (30) and this pushing block (35), so that this two ratchet (33,34) down can be urged and can nibble this gear (23).This pushing block (35) top is provided with a push button (37).One shell (25) is to be set in this sleeve (10) outside, these shell (25) one ends are provided with a breach (26) can be for nibbling this link stopper (14), its other end then is provided with a hole (27) can make this shell (25) can firmly be fixed to this sleeve (10) outside in conjunction with this gag lever post (18).This shell (25) is provided with a chute (28) can supply chimeric this push button (37), and is provided with the limited block (29) of some past interior extensions and this push button (37) can be positioned at three positions at this chute (28) periphery.
Make motion block (30) in order more firmly pushing block (35) to be bonded to this, can make this pushing block (35) can more firmly be bonded to this and make motion block (30) for making the shoulder (301) of piece (30) so can be provided with the bead (351) of two relative extensions in the bottom of this pushing block (35) in conjunction with this.To be included within the utility model scope of this bead and shoulder in conjunction with structure.
During start, when this pushing block (35) will do that motion block (30) pushes away forward and when making that ratchet (33) is nibbled gear (23), this gear (23) can be docile and obedient clockwise rotation and can't be according to rotation counterclockwise.When this pushing block (35) will be made motion block (30) toward pusher and when making that ratchet (34) is nibbled gear (23), this gear (23) then can and can't be docile and obedient the clockwise rotation according to rotation counterclockwise.To make motion block (30) when this pushing block (35) and push away when making that with the centre position ratchet (33 and 34) is nibbled gear (23) simultaneously, this gear (23) is fixed and can't does the action of rotation this moment.So make this do the reach of motion block (30), after move and the just reverse and the locking condition of operating bar (20) can be controlled in three positions such as centre position.
What wherein must particularly point out is, these ratchets (33,34) be that these gears (23) are all nibbled on whole plane, so make its area of contact heighten, the twisting resistance that so makes this gear of its impedance (23) rotate can increase the strength that it drives retaining elements such as screw and nut quite greatly.Therefore also can prolong its service life widely.
In sum, the control structure of the utility model can be so that ratchet and gear be The engagement of plane formula increased area is so that the strength of its anti-button power increases and can increase Its service life the person. The feature of the utility model has more than the ratchet screw of commonly using really Making progress property.
Claims (5)
1, the control structure of ratchet screw, mainly comprise a sleeve, the one end can be for setting firmly a lever, its other end then is provided with a containing hole can be for embedding an operating bar, this sleeve is provided with one and wears groove and this containing hole and be connected, this operating bar one end is provided with a combined hole can be for retaining elements such as engaging screw and nuts, this start leverage is supported in this sleeve the inside rotationally, this operating bar is provided with a gear and is arranged on corresponding to the place of wearing groove, its feature tie up in: one wears groove the inside as what motion block was slidingly arranged in this sleeve, then being provided with the opposite ratchet of two directions in this bottom of making motion block can be for nibbling this gear, one pushing block blocks this and makes motion block and can promote this to make motion block and wear groove along this and move forward and backward, one spring system is arranged on this and does between motion block and this pushing block and this two ratchet down can be urged and nibble this gear, this pushing block top is provided with a chute can supply chimeric this push button, making this make motion block can utilize this push button to promote and can wear groove along this and move forward and backward, make the just reverse that when this two ratchet is nibbled this gear respectively, can control this gear and this operating bar move, and when this two ratchet was nibbled this gear simultaneously, it can lock this gear and this operating bar and can't do the action that is just reversing.
2, ratchet screw control structure according to claim 1, its feature is that also this operating bar is provided with an annular groove in the position therebetween, one gag lever post is engaged on this sleeve inner and is entrenched in this annular groove, makes this operating bar and can not deviate from this sleeve in this sleeve the inside rotation.
3, the control structure of ratchet screw according to claim 2, its feature is that also wearing the groove two ends at this is respectively equipped with a link stopper and a screw, this screw can be for this gag lever post of engagement, and this shell one end be provided with a breach can be for nibbling this link stopper, its other end then is provided with a hole can so make this shell can very firmly be fixed to this sleeve outside in conjunction with this gag lever post.
4, ratchet according to claim 1 works the control structure of giving, its feature is that also this sleeve inner is provided with a locating hole, and an end of this operating bar be provided with the prominent body in a location can be for meshing this locating hole rotationally, make that this operating bar can be very firmly and be supported in this sleeve the inside rotationally.
5, the control structure of ratchet screw according to claim 1, its feature are that also being provided with some at this chute periphery can be positioned at this push button forward and backward toward the limited block of interior extensions and three positions such as centre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96234573 CN2283550Y (en) | 1996-04-11 | 1996-04-11 | Control structure for ratchet screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96234573 CN2283550Y (en) | 1996-04-11 | 1996-04-11 | Control structure for ratchet screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2283550Y true CN2283550Y (en) | 1998-06-10 |
Family
ID=33910910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96234573 Expired - Fee Related CN2283550Y (en) | 1996-04-11 | 1996-04-11 | Control structure for ratchet screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2283550Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198648A (en) * | 2010-03-25 | 2011-09-28 | 孙成纲 | Screwdriver of ratchet mechanism |
| US8210074B2 (en) | 2009-12-17 | 2012-07-03 | Shangyu Huanzhou Tools Co., Ltd. | Dismantling device |
| CN102862137A (en) * | 2011-07-07 | 2013-01-09 | 杭州巨星工具有限公司 | Bi-direction mechanical straightener |
-
1996
- 1996-04-11 CN CN 96234573 patent/CN2283550Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8210074B2 (en) | 2009-12-17 | 2012-07-03 | Shangyu Huanzhou Tools Co., Ltd. | Dismantling device |
| CN102198648A (en) * | 2010-03-25 | 2011-09-28 | 孙成纲 | Screwdriver of ratchet mechanism |
| CN102198648B (en) * | 2010-03-25 | 2015-05-06 | 孙成纲 | Screwdriver of ratchet mechanism |
| CN102862137A (en) * | 2011-07-07 | 2013-01-09 | 杭州巨星工具有限公司 | Bi-direction mechanical straightener |
| USRE49574E1 (en) | 2011-07-07 | 2023-07-11 | Hangzhou Great Star Industrial Co., Ltd. | Bidirectional mechanical converting unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |