CN109531490A - The exchanging structure and ratchet spanner of ratchet spanner - Google Patents
The exchanging structure and ratchet spanner of ratchet spanner Download PDFInfo
- Publication number
- CN109531490A CN109531490A CN201910053880.1A CN201910053880A CN109531490A CN 109531490 A CN109531490 A CN 109531490A CN 201910053880 A CN201910053880 A CN 201910053880A CN 109531490 A CN109531490 A CN 109531490A
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- China
- Prior art keywords
- fit structure
- sleeve fit
- impeller
- sleeve
- shell
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/0007—Connections or joints between tool parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of exchanging structure of ratchet spanner and ratchet spanneres, it is characterized in that, exchanging structure includes shell, first sleeve fit structure, second sleeve fit structure, 3rd sleeve fit structure and impeller, first sleeve fit structure is connected and installed in the lower end of shell, second sleeve fit structure can be movably sheathed in first sleeve fit structure, 3rd sleeve fit structure can be movably sheathed in second sleeve fit structure, impeller can be rotated in the horizontal direction and movably interior along the vertical direction can also be sheathed in shell, and impeller can control the movement of second sleeve fit structure and 3rd sleeve fit structure.The present invention can make a ratchet spanner can adapt to the sleeve for cooperating three kinds of different models, when needing respectively to turn the screw of different model, it is not necessary to replace ratchet spanner.
Description
Technical field
The invention belongs to handware technical fields, in particular to the exchanging structure and ratchet spanner of a kind of ratchet spanner.
Background technique
Spanner is a kind of common hardware tool, is used for the hardware-joints such as assembly or disassembly screw, nut, bolt,
In order to meet the needs of different use occasions, people have invented various forms of spanners, and ratchet spanner therein is exactly that one kind is
Meet the special key that the small space of such as automobile repair etc uses, the essential structure of ratchet spanner includes hand
Handle is connected with a turning set with rotation cavity in the end of handle, rotor is equipped in turning set, is had on rotor
The connector that can be connected with the connecting hole of the sleeve of nut, head of screw or box spanner, and in rotary head and turning set
Rotation cavity between be equipped with click structure.In use, first by the connector of rotor and nut, head of screw or set
The connecting hole of cylinder is connected, then can positively rotational handle, ratchet and pawl arrangement works at this time, so as to pass through turning set
Rotor rotation is driven, to rotate forward screw, nut etc.；Then we can be such that spanner rotates backward, due to ratchet spine
The effect of pawl, turning set at this time provides reversed torque without image of Buddha rotor, to generate between turning set and rotor
Idle running.Handle is by that can tighten screw, nut etc. after multiple forward and backward, and rotor during tightening
Connector without leaving head of screw or nut, to greatly facilitate the dismounting of screw, nut etc..
Chinese patent CN106737340A discloses a kind of friction type ratchet wrench, is suitable for and sleeve connection, including tool
There are the outer housing, the retainer in friction cavity and the friction cylinder in retainer of regular polygon friction cavity,
The cylinder that rubs, which is equipped with, to be equipped with friction in the vertex of corresponding friction cavity with the connector of sleeve connection, the periphery of retainer
Element, one stirs element driving retainer rotates in friction cavity, to make the outside of the friction element on retainer and rub
Cavity is wiped to recline, and the friction cylinder in the inside and retainer of friction element reclines.When outer housing rotation, outer housing is pair
Friction element, which is formed, to be squeezed and generates frictional force, and friction cylinder and connector rotation can be driven；When outer housing rotates backward,
Outer housing can relative friction cylinder and connector be freely rotated.
Above-mentioned patent can avoid spanner and idle running phenomenon occurs, mention with can dramatically on the basis of not increasing spanner outer dimension
Its high structural strength, to effectively prolong the service life.But it there is problems: the connector size of ratchet spanner
Be it is fixed, this match sleeve used in ratchet spanner can only with the size of connector, face various types of spiral shells
Nail or nut, can only take the mode for replacing entire ratchet spanner, reduce working efficiency.
Therefore, it is simple how could to provide a kind of structure, is able to use various types of sleeves can be changed without entirely
The exchanging structure and ratchet spanner for the ratchet spanner that various types of screws are rotated can be become in the case where ratchet spanner
Those skilled in the art have technical problem to be solved.
Summary of the invention
In view of the above shortcomings of the prior art, the technical problems to be solved by the present invention are: how to provide a kind of structure letter
It is single, be able to use various types of sleeves with can in the case where being changed without entire ratchet spanner can to various types of screws into
The exchanging structure and ratchet spanner of the ratchet spanner of row rotation.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
A kind of exchanging structure of ratchet spanner characterized by comprising
Shell, the downside of the shell are open architecture；
First sleeve fit structure, the first sleeve fit structure are tubular structure, and the upper end is connected and installed in the shell
Lower end；
Second sleeve fit structure, the second sleeve fit structure are tubular structure, are located at first sleeve cooperation knot
In structure, and it is slidably connected with the first sleeve fit structure, and the second sleeve fit structure can be straight down
Its lower end is moved to stretch out from the lower end of the first sleeve fit structure；
3rd sleeve fit structure, the 3rd sleeve fit structure are located in the second sleeve fit structure, and with it is described
The sliding connection of second sleeve fit structure, and the 3rd sleeve fit structure can be moved to its lower end straight down and stretch
For the lower end of the first sleeve fit structure and the second sleeve fit structure；
Impeller, the impeller are column structure, and are set in institute's shell vertically that the upper end is stretched on the upside of the shell
Out, it and can be freely rotated around its axial line；The lower end of the impeller is connected with the upper end of the 3rd sleeve fit structure,
The side of the impeller is also horizontal at lower end to be equipped with a block for protruding from the impeller, and the block extends to institute
The top of second sleeve fit structure is stated, the second sleeve fit structure and the 3rd sleeve fit structure one can be driven
It rises and moves down；The inner sidewall of the second sleeve fit structure is equipped with sliding groove, the upper end of the sliding groove along the vertical direction
Through the upper end of the second sleeve fit structure, the block can turn to the upper of the sliding groove with the impeller
Side, and the block can be along the sliding groove slide downward, so that the impeller can individually drive the 3rd sleeve
Fit structure moves down；
The lower end of the first sleeve fit structure or the second sleeve fit structure or 3rd sleeve fit structure be used for
Bolt collar is connected.
In the technical program, when 3rd sleeve fit structure be placed in second sleeve fit structure and second sleeve cooperate
When structure is placed in first sleeve fit structure, one kind can be adapted to match according to the lower end size of first sleeve fit structure
The sleeve of model；When 3rd sleeve fit structure be placed in second sleeve fit structure and second sleeve fit structure lower end reveal
When outside for first sleeve fit structure, another type of adaptation can be matched according to the lower end size of second sleeve fit structure
Number sleeve；When 3rd sleeve fit structure lower end is all exposed to the first sleeve fit structure and second sleeve cooperation
When outside structure, the sleeve for adapting to another model can be matched according to the lower end size of 3rd sleeve fit structure；In this way, the
One sleeve fit structure, second sleeve fit structure and 3rd sleeve fit structure can be such that a ratchet spanner can adapt to
Cooperate the sleeve of three kinds of different models, to adapt to the screw of three kinds of different models, need to the screw of different model into
When row turns, it is not necessary to replace ratchet spanner, improve work efficiency.
Further, the inner sidewall of the first sleeve fit structure is to being recessed with the first dovetail extended along the vertical direction
The upper end of the first sleeve fit structure is run through in slot, the upper end of first dovetail groove, the second sleeve fit structure
The position that lateral wall corresponds to first dovetail groove is also convexly equipped with the second sliding part, and second sliding part is slidingly disposed at institute
It states in the first dovetail groove, is equipped with the first bullet vertically between the downside of second sliding part and the bottom of first dovetail groove
Spring.
In this way, the first dovetail groove enable second sleeve fit structure steadily in first sleeve fit structure vertically
Direction sliding, and the first spring also plays the role of support to second sleeve fit structure, and can also provide the work of reset
With.
Further, the inner sidewall of the second sleeve fit structure is to being recessed with the second swallow extended along the vertical direction
The upper end of the second sleeve fit structure, the 3rd sleeve fit structure are run through in stern notch, the upper end of second dovetail groove
Lateral wall correspond to the position of second dovetail groove and be also convexly equipped with third sliding part, the third sliding part is slidingly disposed at
In second dovetail groove, it is equipped with second vertically between the downside of the third sliding part and the bottom of second dovetail groove
Spring.
In this way, the second dovetail groove enable 3rd sleeve fit structure steadily in second sleeve fit structure vertically
Direction sliding, and second spring also plays the role of support to 3rd sleeve fit structure, and can also provide the work of reset
With.
Further, a connecting shaft, the 3rd sleeve are coaxially provided in the upper end of the 3rd sleeve fit structure
Fit structure is connected by the connecting shaft with the impeller；Have in the impeller one it is axially disposed and run through it
The slideway of lower end, the lower cross section product of the slideway is big, and the cunning is protruded into cross-sectional area, the connecting shaft upper end to its upper
In road and expansion forms spherical cap structure, and the bottom cross section of the spherical cap structure is greater than the lower cross section product of the slideway.
Since 3rd sleeve fit structure is limited by the second dovetail groove, and horizontal turn can not be done with impeller
It is dynamic, it at this moment just needs to be separated impeller and 3rd sleeve fit structure, is just able to achieve horizontally rotating for impeller；At this
In technical solution, by the way that slideway is arranged in impeller, 3rd sleeve fit structure is enable to pass through connecting shaft and impeller point
From to realize the rotating effect of impeller.
Further, the upper end of the 3rd sleeve fit structure is recessed with limiting slot, the lower end pair of the impeller
The position of the limiting slot is answered also to be convexly equipped with the positive stop strip with limiting slot cooperation.
In this way, when not needing to rotate impeller, the positive stop strip of impeller and the limit of 3rd sleeve fit structure
Position slot cooperation limits impeller, improves stability.
Further, the axial line of the shell is overlapped with the axial line of the impeller, is pushed away described in the correspondence of the upper end
Slide position is equipped with through-hole, and the upper end of the impeller is stretched out outside the shell from the through-hole, the lateral wall of the impeller
It also concaves to form latch fitting sliding slot, and the upper end of the impeller, the inside of the through-hole are run through in the upper end of the latch fitting sliding slot
Wall top is installed with the latch fitting being vertically arranged, and the latch fitting can be located in the latch fitting sliding slot, has on the downside of the latch fitting perpendicular
Cross sectional shape is trapezoidal locked groove, and the impeller upper end is convexly equipped with lock tongue corresponding with the locked groove shape；It pushes described outer
Shell moves up the top for making the latch fitting be moved to the impeller, described after then horizontally rotating to the lock tongue
Latch fitting can be inserted in the lock tongue, to realize the locking limit of the shell.
In this way, being tied when needing to match sleeve model with second sleeve fit structure and needing to be cooperated with 3rd sleeve
When structure matches sleeve model, it will be able to locking limit is carried out to both states, without according to impeller, saving people always
Power.
Further, the lateral wall of the first sleeve fit structure concaves to form rotation slot along its circumferential direction, described
The position that the lateral wall of shell corresponds to the rotation slot is convexly equipped with rotation section to the direction of the rotation slot, so that the shell turns
It is dynamic.
Horizontally rotate in this way, shell can individually be done without influencing first sleeve fit structure.
Further, the side wall of the impeller also convex is equipped with limiting section, and the limiting section is located at the shell
It is interior, and the limiting section extends to far from the side of the impeller and forms misconstruction with the through-hole, to prevent entire institute
It states impeller and is upwardly separated from the shell.
In such manner, it is possible to prevent impeller from popping up outside shell under the first spring and the upward reset response of second spring.
Further, the upper end of the second sleeve fit structure is convexly equipped with block positioning region, the block positioning region
Side it is concordant with the side side wall of the sliding groove.
Since block and sliding groove are at the inside of the rotational structure of the technical program, rotate impeller when
It waits, is difficult to determine whether block turns to above sliding groove, and in the technical scheme, block in the course of rotation, works as incident
When encountering the blocking of block positioning region, just represents block and have been rotated by the top of sliding groove.
The present invention additionally provides a kind of ratchet spanner, the exchanging structure including ratchet spanner as described above, feature exists
In for being connected with ratchet spanner, the ratchet spanner, which includes one, has the tank that Open Side Down for the upper end of the impeller
Head, at the center of the upper end of the impeller it is also upward convex equipped with cross-sectional shape be hexagon connector, it is described
Connector and tank clamping.
Detailed description of the invention
Fig. 1 is vertical schematic cross-sectional view of the exchanging structure of the present invention in non-locking state.
Fig. 2 is vertical schematic cross-sectional view of the exchanging structure of the present invention in locking state.
Fig. 3 is external structure schematic diagram of the invention.
Fig. 4 is the enlarged structure schematic diagram in Fig. 3 of the invention at A.
Fig. 5 is configuration schematic diagram of the invention.
Fig. 6 is the structural schematic diagram at block of the invention.
Fig. 7 is structural schematic diagram when exchanging structure of the present invention is assemblied on ratchet spanner.
Drawing reference numeral explanation: first sleeve fit structure 1；First dovetail groove 11；First spring 12；Rotation slot 13；Second
Sleeve fit structure 2；Second sliding part 21；Second dovetail groove 22；Second spring 23；Sliding groove 24；Block positioning region 25；Third
Sleeve fit structure 3；Third sliding part 31；Connecting shaft 32；Spherical crown 321；Limiting slot 33；Impeller 4；Block 41；Limiting section 42；
Slideway 43；Positive stop strip 44；Latch fitting sliding slot 45；Lock tongue 46；Connector 47；Shell 5；Rotation section 51；Through-hole 52；Latch fitting 53；Locked groove
531；Exchanging structure 6；Ratchet spanner 7.
Specific embodiment
Below with reference to example attached drawing, the present invention is described in further detail.
When specific implementation: as shown in Figures 1 to 7, a kind of exchanging structure of ratchet spanner, it is characterized in that, the switching
Structure 6 includes shell 5, first sleeve fit structure 1, second sleeve fit structure 2,3rd sleeve fit structure 3 and impeller
4.The downside of the shell 5 is open architecture.The first sleeve fit structure 1 is tubular structure, and the upper end is connected and installed in
The lower end of the shell 5, the inner sidewall of the first sleeve fit structure 1 is to being recessed with the first dovetail extended along the vertical direction
The upper end of the first sleeve fit structure 1, the second sleeve cooperation knot are run through in slot 11, the upper end of first dovetail groove 11
The position that the lateral wall of structure 2 corresponds to first dovetail groove 11 is also convexly equipped with the second sliding part 21, and second sliding part 21 can
It is slidably set in first dovetail groove 11, in the downside of second sliding part 21 and the bottom of first dovetail groove 11
Between vertically be equipped with the first spring 12.The second sleeve fit structure 2 is tubular structure, is located at the first sleeve and cooperates
In structure 1, and it is slidably connected with the first sleeve fit structure 1, and the second sleeve fit structure 2 can be vertical
It is moved downward to its lower end to stretch out from the lower end of the first sleeve fit structure 1, the inside of the second sleeve fit structure 2
Wall runs through the second sleeve to the second dovetail groove 22 extended along the vertical direction, the upper end of second dovetail groove 22 is recessed with
The upper end of fit structure 2, the lateral wall of the 3rd sleeve fit structure 3 correspond to the position also projection of second dovetail groove 22
There is third sliding part 31, the third sliding part 31 is slidingly disposed in second dovetail groove 22, is slided in the third
Second spring 23 is equipped between the downside in portion 31 and the bottom of second dovetail groove 22 vertically.The 3rd sleeve fit structure
3 are located in the second sleeve fit structure 2, and are slidably connected with the second sleeve fit structure 2, and the third
Sleeve fit structure 3 can be moved to its lower end straight down and stretch out in the first sleeve fit structure 1 and second set described
The lower end of cylinder fit structure 2.The impeller 4 is column structure, and is set in institute's shell 1 vertically that the upper end is from the shell 1
Upside stretch out, and can be freely rotated around its axial line；The lower end of the impeller 4 and the 3rd sleeve fit structure 3
Upper end connection, the side of the impeller 4 is also horizontal at lower end to be equipped with a block 41 for protruding from the impeller 4,
The block 41 extends to the top of the second sleeve fit structure 2, can drive the second sleeve fit structure 2 and institute
3rd sleeve fit structure 3 is stated to move downwardly together；The inner sidewall of the second sleeve fit structure 2 is equipped with cunning along the vertical direction
The upper end of the second sleeve fit structure 2 is run through in dynamic slot 24, the upper end of the sliding groove 24, and the block 41 can be with described
Impeller 4 turns to the top of the sliding groove 24, and the block 41 can be along 24 slide downward of sliding groove, so that institute
Stating impeller 4 can individually drive the 3rd sleeve fit structure 3 to move down.The first sleeve fit structure 1 or institute
The lower end of second sleeve fit structure 2 or 3rd sleeve fit structure 3 is stated for being connected with bolt collar.
In the technical program, when 3rd sleeve fit structure be placed in second sleeve fit structure and second sleeve cooperate
When structure is placed in first sleeve fit structure, one kind can be adapted to match according to the lower end size of first sleeve fit structure
The sleeve of model；When 3rd sleeve fit structure be placed in second sleeve fit structure and second sleeve fit structure lower end reveal
When outside for first sleeve fit structure, another type of adaptation can be matched according to the lower end size of second sleeve fit structure
Number sleeve；When 3rd sleeve fit structure lower end is all exposed to the first sleeve fit structure and second sleeve cooperation
When outside structure, the sleeve for adapting to another model can be matched according to the lower end size of 3rd sleeve fit structure；In this way, the
One sleeve fit structure, second sleeve fit structure and 3rd sleeve fit structure can be such that a ratchet spanner can adapt to
Cooperate the sleeve of three kinds of different models, to adapt to the screw of three kinds of different models, need to the screw of different model into
When row turns, it is not necessary to replace ratchet spanner, improve work efficiency；First dovetail groove keeps second sleeve fit structure steady
Surely it is slidable in the vertical direction in first sleeve fit structure, and the first spring also plays branch to second sleeve fit structure
The effect of support, and the effect of reset can also be provided；Second dovetail groove enables 3rd sleeve fit structure steadily second
It is slidable in the vertical direction in sleeve fit structure, and second spring also plays the role of support to 3rd sleeve fit structure,
And the effect of reset can also be provided.
Wherein, a connecting shaft 32, the 3rd sleeve cooperation are coaxially provided in the upper end of the 3rd sleeve fit structure 3
Structure 3 is connected by the connecting shaft 32 and the impeller 4；Have in the impeller 4 one it is axially disposed and run through
The slideway 43 of its lower end, the lower cross section product of the slideway 43 is big, and cross-sectional area, 32 upper end of connecting shaft are stretched to its upper
Enter in the slideway 43 and expand and form spherical cap structure 321, the bottom cross section of the spherical cap structure 321 is greater than the slideway
43 lower cross section product.The upper end of the 3rd sleeve fit structure 3 is recessed with limiting slot 33, the lower end of the impeller 4
The position of the corresponding limiting slot 33 is also convexly equipped with the positive stop strip 44 with the limiting slot 33 cooperation, the 3rd sleeve cooperation knot
Structure 3 is connected by the connecting shaft 32 and the impeller 4 of the upper end projection.
Since 3rd sleeve fit structure is limited by the second dovetail groove, and horizontal turn can not be done with impeller
It is dynamic, it at this moment just needs to be separated impeller and 3rd sleeve fit structure, is just able to achieve horizontally rotating for impeller；At this
In technical solution, by the way that slideway is arranged in impeller, 3rd sleeve fit structure is enable to pass through connecting shaft and impeller point
From to realize the rotating effect of impeller；When not needing to rotate impeller, the positive stop strip and 3rd sleeve of impeller
The limiting slot cooperation of fit structure limits impeller, improves stability.
Wherein, the axial line of the shell 5 is overlapped with the axial line of the impeller 4, and the upper end corresponds to the impeller 4
Position is equipped with through-hole 52, and the upper end of the impeller 4 is stretched out outside the shell 5 from the through-hole 52, the outside of the impeller 4
Wall also concaves to form latch fitting sliding slot 45, and the upper end of the impeller 4, the through-hole are run through in the upper end of the latch fitting sliding slot 45
52 inner sidewall upper portion is installed with the latch fitting 53 being vertically arranged, and the latch fitting 53 can be located in the latch fitting sliding slot 45, described
Having vertical section shape on the downside of latch fitting 53 is trapezoidal locked groove 531, and 4 upper end of impeller is convexly equipped with and 531 shape of locked groove
The corresponding lock tongue 46 of shape；The shell 5 is pushed to move up the top for making the latch fitting 53 be moved to the impeller 4, then
Horizontally rotate to 46 top of lock tongue, the latch fitting 53 can be inserted in the lock tongue 46, to realize the lock of the shell 5
Tight limit.
In this way, being tied when needing to match sleeve model with second sleeve fit structure and needing to be cooperated with 3rd sleeve
When structure matches sleeve model, it will be able to locking limit is carried out to both states, without according to impeller, saving people always
Power.
Wherein, the lateral wall of the first sleeve fit structure 1 concaves to form rotation slot 13 along its circumferential direction, the shell
The position that 5 lateral wall corresponds to the rotation slot 13 is convexly equipped with rotation section 51 to the direction of the rotation slot 13, so that described outer
Shell 5 rotates.
Horizontally rotate in this way, shell can individually be done without influencing first sleeve fit structure.
Wherein, the side wall also convex of the impeller 4 is equipped with limiting section 42, and the limiting section 42 is located at the shell 5
It is interior, and the limiting section 42 extends to far from the side of the impeller 4 and forms misconstruction with the through-hole 52, it is whole to prevent
A impeller 4 is upwardly separated from the shell 5.
In this way, limiting section can prevent impeller under the first spring and the upward reset response of second spring and pop up outer
Outside shell.
Wherein, the upper end of the second sleeve fit structure 2 is convexly equipped with block positioning region 25, the block positioning region 25
Side is concordant with the side side wall of the sliding groove 24.
Since block and sliding groove are at the inside of the rotational structure of the technical program, rotate impeller when
It waits, is difficult to determine whether block turns to above sliding groove, and in the technical scheme, block in the course of rotation, works as incident
When encountering the blocking of block positioning region, just represents block and have been rotated by the top of sliding groove.
The present invention additionally provides a kind of ratchet spanner, the exchanging structure including ratchet spanner as described above, feature exists
In for being connected with ratchet spanner 7, the ratchet spanner 7, which includes one, has the appearance that Open Side Down for the upper end of the impeller 4
The head of slot, at the center of the upper end of the impeller 4 it is also upward convex equipped with cross-sectional shape be polygon connector 47,
The connector 47 and tank clamping.
When implementation, the connector 47 is preferably hexagon, can preferably cooperate the tank to be clamped, but be not limited to
This, can be adjusted according to the actual situation.
When implementation, in a ring, outer diameter is greater than the diameter of the through-hole 52 to the limiting section 42.
When implementation, since the first sleeve fit structure 1 is directly linked together with the shell 5, and described
Two sleeve fit structures 2 and the 3rd sleeve fit structure 3 are all located in the first sleeve fit structure 3, therefore need not
It takes exercises the sleeve that the exchanging structure of the technical program can be enable to cooperate the first model to the impeller 4.
When implementation, first the shell 5 is mentioned upwards, is moved upward to the latch fitting 53 outside the latch fitting sliding slot 45, connects
By rotating the shell 5, making the rotation of latch fitting 53 to 46 top of lock tongue and withholding the latch fitting 53 described
On lock tongue 46, support due to the lock tongue 46 to the latch fitting 53 is able to maintain the first sleeve fit structure 1 and is located at
The state of 2 top of the second sleeve fit structure relatively, then press the ratchet spanner 7 and drive the impeller 4 to moving down
It is dynamic, since the block 41 is arranged above the second sleeve fit structure 2 at this time, downward in the impeller 4
In mobile process, the second sleeve fit structure 2 and the 3rd sleeve fit structure 3 can be moved down and phase simultaneously
The first sleeve fit structure 1 is exposed downwards, at this moment, the exchanging structure of the technical program can cooperate second of model
Sleeve.
When implementation, first the shell 5 is mentioned upwards, is moved upward to the latch fitting 53 outside the latch fitting sliding slot 45, connects
By rotating the shell 5, making the rotation of latch fitting 53 to 46 top of lock tongue and withholding the latch fitting 53 described
On lock tongue 46, then the impeller 4 is driven to rotate by rotating the ratchet spanner 7, described in 4 side of impeller
When block 41 meets with the blocking of the block positioning region 25, that is, represent the block 41 have been rotated by it is upper to the sliding groove 24
Side, passes through the pressing ratchet spanner 7 at this time but the impeller 4 moves down, and can make the 3rd sleeve cooperation knot
Structure 3 individually moves down, and makes the relatively described first sleeve fit structure 1 of the 3rd sleeve fit structure 3 and described second
Sleeve fit structure 2 exposes downwards, and at this moment, the exchanging structure of the technical program can cooperate the sleeve of the third model.
Claims (10)
1. a kind of exchanging structure of ratchet spanner characterized by comprising
Shell, the downside of the shell are open architecture；
First sleeve fit structure, the first sleeve fit structure are tubular structure, and the upper end is connected and installed in the shell
Lower end；
Second sleeve fit structure, the second sleeve fit structure are tubular structure, are located at first sleeve cooperation knot
In structure, and it is slidably connected with the first sleeve fit structure, and the second sleeve fit structure can be straight down
Its lower end is moved to stretch out from the lower end of the first sleeve fit structure；
3rd sleeve fit structure, the 3rd sleeve fit structure are located in the second sleeve fit structure, and with it is described
The sliding connection of second sleeve fit structure, and the 3rd sleeve fit structure can be moved to its lower end straight down and stretch
For the lower end of the first sleeve fit structure and the second sleeve fit structure；
Impeller, the impeller are column structure, and are set in institute's shell vertically that the upper end is stretched on the upside of the shell
Out, it and can be freely rotated around its axial line；The lower end of the impeller is connected with the upper end of the 3rd sleeve fit structure,
The side of the impeller is also horizontal at lower end to be equipped with a block for protruding from the impeller, and the block extends to institute
The top of second sleeve fit structure is stated, the second sleeve fit structure and the 3rd sleeve fit structure one can be driven
It rises and moves down；The inner sidewall of the second sleeve fit structure is equipped with sliding groove, the upper end of the sliding groove along the vertical direction
Through the upper end of the second sleeve fit structure, the block can turn to the upper of the sliding groove with the impeller
Side, and the block can be along the sliding groove slide downward, so that the impeller can individually drive the 3rd sleeve
Fit structure moves down；
The lower end of the first sleeve fit structure or the second sleeve fit structure or 3rd sleeve fit structure be used for
Bolt collar is connected.
2. the exchanging structure of ratchet spanner as described in claim 1, which is characterized in that the first sleeve fit structure it is interior
Side wall is matched to the first dovetail groove extended along the vertical direction, the upper end of first dovetail groove is recessed with through the first sleeve
The upper end of structure is closed, the position that the lateral wall of the second sleeve fit structure corresponds to first dovetail groove is also convexly equipped with second
Sliding part, second sliding part are slidingly disposed in first dovetail groove, downside and institute in second sliding part
It states and is equipped with the first spring between the bottom of the first dovetail groove vertically.
3. the exchanging structure of ratchet spanner as claimed in claim 2, which is characterized in that the second sleeve fit structure it is interior
Side wall is matched to the second dovetail groove extended along the vertical direction, the upper end of second dovetail groove is recessed with through the second sleeve
The upper end of structure is closed, the position that the lateral wall of the 3rd sleeve fit structure corresponds to second dovetail groove is also convexly equipped with third
Sliding part, the third sliding part are slidingly disposed in second dovetail groove, downside and institute in the third sliding part
It states and is equipped with second spring between the bottom of the second dovetail groove vertically.
4. the exchanging structure of ratchet spanner as claimed in claim 3, which is characterized in that in the 3rd sleeve fit structure
Upper end is coaxially provided with a connecting shaft, and the 3rd sleeve fit structure is connected by the connecting shaft with the impeller；It is described
With a slideway that is axially disposed and running through its lower end in impeller, the lower cross section product of the slideway is greatly to its upper
Cross-sectional area, the connecting shaft upper end, which is protruded into the slideway and expanded, forms spherical cap structure, the bottom transverse of the spherical cap structure
Sectional area is greater than the lower cross section product of the slideway.
5. the exchanging structure of ratchet spanner as claimed in claim 4, which is characterized in that the 3rd sleeve fit structure it is upper
End is recessed with limiting slot, and the position that the lower end of the impeller corresponds to the limiting slot is also convexly equipped with and limiting slot cooperation
Positive stop strip.
6. the exchanging structure of ratchet spanner as claimed in claim 5, which is characterized in that the axial line of the shell is pushed away with described
The axial line of moving part is overlapped, and the upper end correspond to the impeller position and is equipped with through-hole, and the upper end of the impeller is from the through-hole
It stretches out outside the shell, the lateral wall of the impeller also concaves to form latch fitting sliding slot, and the upper end of the latch fitting sliding slot is passed through
The upper end of the impeller is worn, the inner sidewall upper portion of the through-hole is installed with the latch fitting being vertically arranged, and the latch fitting can be located at
Having vertical section shape in the latch fitting sliding slot, on the downside of the latch fitting is trapezoidal locked groove, the impeller upper end be convexly equipped with and
The corresponding lock tongue of the locked groove shape；The shell is pushed to move up the top for making the latch fitting be moved to the impeller,
Then after horizontally rotating to the lock tongue, the latch fitting can be inserted in the lock tongue, to realize the locking of the shell
Limit.
7. the exchanging structure of ratchet spanner as claimed in claim 6, which is characterized in that outside the first sleeve fit structure
Side wall concaves to form rotation slot along its circumferential direction, and the lateral wall of the shell corresponds to the position of the rotation slot to the rotation slot
Direction be convexly equipped with rotation section so that the shell rotate.
8. the exchanging structure of ratchet spanner as claimed in claim 7, which is characterized in that the side wall of the impeller also convex
Equipped with limiting section, the limiting section is located in the shell, and the limiting section far from the side of the impeller extend to
The through-hole forms misconstruction, to prevent the entire impeller to be upwardly separated from the shell.
9. the exchanging structure of ratchet spanner as described in claim 1, which is characterized in that the second sleeve fit structure it is upper
End is convexly equipped with block positioning region, and the side of the block positioning region and the side side wall of the sliding groove are concordant.
10. a kind of ratchet spanner, the exchanging structure including the ratchet spanner as described in any in claim 1 to 9, feature exist
In for being connected with ratchet spanner, the ratchet spanner, which includes one, has the tank that Open Side Down for the upper end of the impeller
Head, at the center of the upper end of the impeller it is also upward convex equipped with cross-sectional shape be polygon connector, it is described
Connector and tank clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910053880.1A CN109531490B (en) | 2019-01-21 | 2019-01-21 | Switching structure of ratchet wrench and ratchet wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910053880.1A CN109531490B (en) | 2019-01-21 | 2019-01-21 | Switching structure of ratchet wrench and ratchet wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109531490A true CN109531490A (en) | 2019-03-29 |
| CN109531490B CN109531490B (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910053880.1A Expired - Fee Related CN109531490B (en) | 2019-01-21 | 2019-01-21 | Switching structure of ratchet wrench and ratchet wrench |
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| Country | Link |
|---|---|
| CN (1) | CN109531490B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2193136A (en) * | 1986-07-29 | 1988-02-03 | Yang Tai Her | A multiple socket spanner unit |
| CN104385199A (en) * | 2014-10-10 | 2015-03-04 | 宁波聚益工具有限公司 | Novel hexagon wrench |
| CN205734608U (en) * | 2016-05-05 | 2016-11-30 | 北京亿华通科技股份有限公司 | A kind of spanner and combinations thereof formula driving end |
| CN205870379U (en) * | 2016-07-28 | 2017-01-11 | 华侨大学 | Novel compound allen key |
| US9573252B1 (en) * | 2013-05-11 | 2017-02-21 | David M. Lee | Multiple size nut driver |
-
2019
- 2019-01-21 CN CN201910053880.1A patent/CN109531490B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2193136A (en) * | 1986-07-29 | 1988-02-03 | Yang Tai Her | A multiple socket spanner unit |
| US9573252B1 (en) * | 2013-05-11 | 2017-02-21 | David M. Lee | Multiple size nut driver |
| CN104385199A (en) * | 2014-10-10 | 2015-03-04 | 宁波聚益工具有限公司 | Novel hexagon wrench |
| CN205734608U (en) * | 2016-05-05 | 2016-11-30 | 北京亿华通科技股份有限公司 | A kind of spanner and combinations thereof formula driving end |
| CN205870379U (en) * | 2016-07-28 | 2017-01-11 | 华侨大学 | Novel compound allen key |
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| Publication number | Publication date |
|---|---|
| CN109531490B (en) | 2020-09-01 |
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