CN207593647U - A kind of ratchet wheel pawl type rotary spanner - Google Patents
A kind of ratchet wheel pawl type rotary spanner Download PDFInfo
- Publication number
- CN207593647U CN207593647U CN201721731642.4U CN201721731642U CN207593647U CN 207593647 U CN207593647 U CN 207593647U CN 201721731642 U CN201721731642 U CN 201721731642U CN 207593647 U CN207593647 U CN 207593647U
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- ratchet
- handle
- bearing
- dismounting
- housing
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of ratchet wheel pawl type rotary spanners, including cylindrical ratchet cylinder and the handle being fixed on ratchet cylinder, it is fixed on the front end face of ratchet cylinder and tightens bearing holder (housing, cover), it tightens to be equipped in bearing holder (housing, cover) and tightens bearing, dismounting bearing holder (housing, cover) is fixed on the rear end face of ratchet cylinder, it dismantles and dismounting bearing is equipped in bearing holder (housing, cover), ratchet is equipped in ratchet cylinder, tightening axle is fixed on the front end face of ratchet, tightening axle, which is inserted in, tightens in bearing, the outer end of tightening axle stretches out in impact wrench set there are one the outside for tightening bearing holder (housing, cover) and fixations, dismounting axis is inserted in dismounting bearing, the outer end of dismounting axis stretches out in dismantling spanner set there are one the outside of dismounting bearing holder (housing, cover) and fixations, handle hole is equipped in handle, inserted with slide bar in handle hole, the front end of slide bar is equipped with pawl, pawl matches with ratchet.The utility model obtain advantageous effect be：(1) it is simple in structure；(2) working efficiency is effectively raised.
Description
Technical field
The utility model is related to a kind of spanner, particularly a kind of ratchet wheel pawl type rotary spanner.
Background technology
At present, when outer-hexagonal nut is mounted and dismounted, generally using box spanner, but box spanner makes
During, after outer-hexagonal nut is rotated by a certain angle every time, need to remove box spanner from outer-hexagonal nut,
Then the rotation angle of spanner is readjusted, box spanner is socketed on outer-hexagonal nut later, outer six could be rotated again
Angle nut due to one outer-hexagonal nut of every installation or removal, is required to repeatedly adjust the rotation angle of box spanner, and more
It is secondary that box spanner is socketed on outer-hexagonal nut, therefore operation sequence is relatively complicated, working efficiency is low.
Invention content
Problem to be solved in the utility model is：There is provided that a kind of simple in structure, working efficiency is high and the spine of good positioning effect
Take turns pawl type rotary spanner.
To solve the above-mentioned problems, the ratchet wheel pawl type rotary spanner of the utility model, including cylindrical ratchet cylinder and
The handle being fixed on ratchet cylinder, it is fixed there are one tightening bearing holder (housing, cover) on the front end face of the ratchet cylinder, it is described to tighten bearing holder (housing, cover)
It inside sets there are one bearing is tightened, is fixed on the rear end face of the ratchet cylinder there are one dismounting bearing holder (housing, cover), it is described to dismantle in bearing holder (housing, cover)
If there are one dismounting bearing, the bearing and dismounting bearing tightened is rolling bearing, is set in the ratchet cylinder there are one ratchet,
A tightening axle is fixed on the front end face of the ratchet, the tightening axle, which is inserted in, tightens in bearing, outside the tightening axle
End stretches out in the outside for tightening bearing holder (housing, cover) and fixes there are one impact wrench set, and the dismounting axis is inserted in dismounting bearing, institute
The outer end for stating dismounting axis stretches out in the outside of dismounting bearing holder (housing, cover) and fixes there are one dismantling spanner set, and the impact wrench is covered and torn open
It unloading spanner and puts on and be all provided with there are one hexagonal nut bore, set in the handle there are one handle hole, the handle hole is through-hole,
The handle hole is connected with ratchet cylinder, the slide bar that can be slid back and forth in the handle hole inserted with one along handle hole, described
The front end of slide bar is set there are one pawl, and the front end of the pawl is inserted in ratchet cylinder and matches with ratchet, the handle hole
End be equipped with internal thread, there are one compress stud, the handle compressed between stud and slide bar for socket on the internal thread
A holddown spring is equipped in hole, one end of the holddown spring is posted by slide bar, and other end, which is posted by, to be compressed on stud.
In order to preferably be positioned to holddown spring, the ratchet wheel pawl type rotary spanner of the utility model, the slide bar
Rear end face on set there are one the first location hole of the spring, set that there are one second springs to position on the front end face for compressing stud
Hole, first location hole of the spring and second spring location hole are blind hole.
For the ease of adjusting the position for compressing stud, the ratchet wheel pawl type rotary spanner of the utility model, the compression spiral shell
Interior hexagonal handle hole there are one being set on the rear end face of column.
In order to which slide bar and handle hole is made preferably to match, the ratchet wheel pawl type rotary spanner of the utility model, the slide bar
Outer diameter it is equal with the internal diameter of handle hole, matching relationship between the slide bar and handle hole is clearance fit.
The utility model obtain advantageous effect be：(1) it is simple in structure；(2) when needing to tighten outer-hexagonal nut,
Impact wrench is covered upper nut bore first and is socketed on outer-hexagonal nut by staff, then rotates handle, inverse time counterclockwise
When needle rotates handle, pawl can be rotated counterclockwise smoothly along ratchet, therefore, ratchet, tightening axle, impact wrench set and outer
Hex nut remains static, at this point, by rotating handle counterclockwise, you can handle is adjusted to suitable angle, so as to
In subsequent work, staff is facilitated to tighten outer-hexagonal nut, after rotatable handle is to proper angle, staff is again
Handle is pulled to rotate clockwise, the position of ratchet is locked by pawl at this time, meanwhile, handle can also with pawl, ratchet, tighten
Axis, impact wrench set and outer-hexagonal nut rotation, so that gradually outer-hexagonal nut be tightened, with the continuous rotation of handle, when
The angle of handle be not suitable for staff rotation when, again counterclockwise rotation handle, by rotatable handle to proper angle it
Afterwards, handle is rotated clockwise again, and be will continue to external hex nut and tightened；Similarly, when need dismantle outer-hexagonal nut
When, dismantling spanner is covered upper nut bore first and is socketed on outer-hexagonal nut by staff, then needle rotation clockwise
Handle, when rotating clockwise handle, pawl can be rotated clockwise smoothly along ratchet, therefore, ratchet, dismounting axis, dismounting
Spanner covers and outer-hexagonal nut remains static, at this point, by rotating clockwise handle, you can adjusting handle to suitable
Angle, so that staff in subsequent work, is facilitated to unclamp outer-hexagonal nut, after rotatable handle is to proper angle,
Staff pulls handle and rotates counterclockwise again, and the position of ratchet is locked by pawl at this time, meanwhile, handle can also with pawl,
Ratchet, dismounting axis, dismantling spanner set and outer-hexagonal nut rotation, so as to gradually unclamp outer-hexagonal nut, with handle not
Disconnected rotation when the angle of handle is not suitable for staff's rotation, rotates clockwise handle again, by rotatable handle to suitable
Suitable angle and then secondary needle rotational handle counterclockwise, and will continue to external hex nut and unclamped, until by outer-hexagonal nut
It disassembles, therefore, compared with existing spanner, the ratchet wheel pawl type rotary spanner of the utility model either installs nut
Or dismounting nut, impact wrench set and release spanner set with outer-hexagonal nut without detaching, you can rotation handle, realization hand
The adjustment of handle angle so as to which the time be greatly saved, effectively raises working efficiency；(3) dismounting axis is inserted in dismounting bearing
In, tightening axle, which is inserted in, tightens in bearing, thus further reduces frictional force when ratchet, tightening axle and dismounting shaft rotation are moved, together
When ensure ratchet stabilization smoothly rotate；(4) it compresses and a holddown spring is equipped in the handle hole between stud and slide bar, thus
Lasting slide bar and pawl can be compressed, it is ensured that good matching relationship is kept between pawl and ratchet；(5) after slide bar
It is set on end face there are one the first location hole of the spring, compresses second spring location hole there are one being set on the front end face of stud, thus energy
Preferably holddown spring is positioned, holddown spring is avoided to shift；(6) it compresses and is set there are one on the rear end face of stud
Hexagonal handle hole convenient for being adjusted with allen wrench to the position for compressing stud, and then carries out the elastic force of holddown spring
Adjustment；(7) outer diameter of slide bar is equal with the internal diameter of handle hole, and the matching relationship between slide bar and handle hole is clearance fit, because
And it can ensure that slide bar and smoothly slided along handle hole.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the sectional view in A-A faces in Fig. 1.
In figure：1st, ratchet cylinder, 2, ratchet, 3, pawl, 4, handle, 5, slide bar, 6, handle hole, 7, impact wrench set, 8, twist
Mandrel, the 9, first location hole of the spring, 10, holddown spring, 11, second spring location hole, 12, compress stud, 13, allen wrench
Hole, 14, nut bore, 15, tighten bearing holder (housing, cover), 16, tighten bearing, 17, dismounting bearing holder (housing, cover), 18, dismounting bearing, 19, dismounting axis,
20th, dismantling spanner set.
Specific embodiment
As depicted in figs. 1 and 2, the ratchet wheel pawl type rotary spanner of the utility model, including cylindrical ratchet cylinder 1 and admittedly
The handle 4 being scheduled on ratchet cylinder 1, it is fixed there are one tightening bearing holder (housing, cover) 15 on the front end face of the ratchet cylinder 1, it is described to tighten bearing
It covers and bearing 16 is tightened there are one being set in 15, fixed on the rear end face of the ratchet cylinder 1 there are one dismounting bearing holder (housing, cover) 17, the dismountings
It is set in bearing holder (housing, cover) 17 there are one bearing 18 is dismantled, the bearing 16 and dismounting bearing 18 tightened is rolling bearing, the ratchet
It is set in cylinder 1 there are one ratchet 2, is fixed with a tightening axle 8 on the front end face of the ratchet 2, the tightening axle 8, which is inserted in, tightens
In bearing 16, the outer end of the tightening axle 8 stretches out in impact wrench set 7 there are one the outside for tightening bearing holder (housing, cover) 15 and fixations, institute
It states dismounting axis 19 to be inserted in dismounting bearing 18, the outer end of the dismounting axis 19 stretches out in outside and the fixation of dismounting bearing holder (housing, cover) 17
There are one dismantling spanners to cover 20, is all provided on the impact wrench set 7 and dismantling spanner set 20 there are one hexagonal nut bore 14,
It is set in the handle 4 there are one handle hole 6, the handle hole 6 is through-hole, and the handle hole 6 is connected with ratchet cylinder 1, described
The slide bar 5 that can be slid back and forth inserted with one along handle hole 6 in handle hole 6, the front end of the slide bar 5 set that there are one pawl 3, institutes
The front end for stating pawl 3 is inserted in ratchet cylinder 1 and matches with ratchet 2, and the end of the handle hole 6 is equipped with internal thread, described
Socket is equipped with a compression there are one stud 12 is compressed on internal thread in the handle hole 6 compressed between stud 12 and slide bar 5
Spring 10, one end of the holddown spring 10 are posted by slide bar 5, and other end, which is posted by, to be compressed on stud 12；The slide bar 5
Rear end face on set there are one the first location hole of the spring 9, set on the front end face for compressing stud 12 and determine there are one second spring
Position hole 11, first location hole of the spring 9 and second spring location hole 11 are blind hole；On the rear end face for compressing stud 12
If there are one interior hexagonal handle holes 13；The outer diameter of the slide bar 5 is equal with the internal diameter of handle hole 6, the slide bar 5 and handle hole 6
Between matching relationship be clearance fit.
The ratchet wheel pawl type rotary spanner of the utility model, it is simple in structure, when needing to tighten outer-hexagonal nut, work
Make personnel the nut bore 14 on impact wrench set 7 is socketed on outer-hexagonal nut first, then rotate handle 4 counterclockwise, it is inverse
When hour hands rotate handle 4, pawl 3 can be rotated counterclockwise smoothly along ratchet 2, and therefore, ratchet 2, is tightened and pulled at tightening axle 8
Gloves 7 and outer-hexagonal nut remain static, at this point, by rotating handle 4 counterclockwise, you can adjust handle 4 to suitable
Angle, in subsequent work, staff to be facilitated to tighten outer-hexagonal nut, when handle 4 rotate to proper angle it
Afterwards, staff pulls handle 4 and rotates clockwise again, and the position of ratchet 2 is locked by pawl 3 at this time, meanwhile, handle 4 can also band
Pawl 3, ratchet 2, tightening axle 8, impact wrench set 7 and outer-hexagonal nut rotation, so as to which gradually outer-hexagonal nut be tightened, with
The continuous rotation of handle 4, when the angle of handle is not suitable for staff's rotation, rotates handle 4 counterclockwise again, it will
Handle 4 rotates to proper angle and then secondary rotates clockwise handle 4, and will continue to external hex nut and tightened；Together
Reason, when needing to dismantle outer-hexagonal nut, the nut bore 14 that dismantling spanner is covered on 20 is socketed on outer by staff first
On hex nut, then needle clockwise rotates handle 4, and when rotating clockwise handle 4, pawl 3 can be smoothly suitable along ratchet 2
Hour hands rotate, and therefore, ratchet 2, dismounting axis 19, dismantling spanner set 20 and outer-hexagonal nut remain static, at this point, by suitable
Hour hands rotate handle 4, you can adjust handle 4 to suitable angle, in subsequent work, staff to be facilitated to unclamp
Outer-hexagonal nut, after handle 4 rotates to proper angle, staff pulls handle 4 and rotates counterclockwise again, at this time ratchet 2
Position locked by pawl 3, meanwhile, handle 4 can also be with pawl 3, ratchet 2, dismounting axis 19, dismantling spanner set 20 and outer-hexagonal
Nut rotation, so as to gradually unclamp outer-hexagonal nut, with the continuous rotation of handle 4, when the angle of handle 4 is not suitable for work
When personnel rotate, handle 4 is rotated clockwise again, and handle 4 is rotated to proper angle and then secondary needle counterclockwise and is rotated
Handle 4, and will continue to external hex nut and unclamped, until outer-hexagonal nut dismounting is got off, therefore, with existing spanner
It compares, the ratchet wheel pawl type rotary spanner of the utility model, nut is either installed and still dismantles nut, impact wrench covers 7 Hes
Spanner set 20 is unclamped without being detached with outer-hexagonal nut, you can rotation handle 4 realizes the adjustment of 4 angle of handle, so as to significantly
The time has been saved, has effectively raised working efficiency.
The ratchet wheel pawl type rotary spanner of the utility model, dismounting axis 19 are inserted in dismounting bearing 18, and tightening axle 8 is inserted into
Frictional force when tightening in bearing 16, thus further reduce ratchet 2, tightening axle 8 and dismantle the rotation of axis 19, while ensure spine
Wheel 2, which is stablized, smoothly to be rotated.
The ratchet wheel pawl type rotary spanner of the utility model compresses and one is equipped in the handle hole 6 between stud 12 and slide bar 5
Root holddown spring 10, thus lasting slide bar 5 and pawl 3 can be compressed, it is ensured that keep good between pawl 3 and ratchet 2
Matching relationship.
The ratchet wheel pawl type rotary spanner of the utility model, sets that there are one the first location hole of the spring on the rear end face of slide bar 5
9, it compresses and is set on the front end face of stud 12 there are one second spring location hole 11, thus preferably holddown spring 10 can be determined
Position, avoids holddown spring 10 from shifting.
The ratchet wheel pawl type rotary spanner of the utility model compresses interior hexagonal handle there are one being set on the rear end face of stud 12
Hole 13, convenient for being adjusted, and then adjusted to the elastic force of holddown spring 10 to the position for compressing stud 12 with allen wrench
It is whole.
The ratchet wheel pawl type rotary spanner of the utility model, the outer diameter of slide bar 5 is equal with the internal diameter of handle hole 6, slide bar 5 with
Matching relationship between handle hole 6 is clearance fit, thus can ensure that slide bar 5 is smoothly slided along handle hole 6.
Claims (4)
1. a kind of ratchet wheel pawl type rotary spanner, it is characterised in that：Including cylindrical ratchet cylinder (1) and it is fixed on ratchet cylinder
(1) handle (4) on, it is fixed there are one tightening bearing holder (housing, cover) (15) on the front end face of the ratchet cylinder (1), it is described to tighten bearing holder (housing, cover)
(15) it is set in there are one bearing (16) is tightened, fixed on the rear end face of the ratchet cylinder (1) there are one dismounting bearing holder (housing, cover) (17), institutes
It states and is set in dismounting bearing holder (housing, cover) (17) there are one bearing (18) is dismantled, the bearing (16) and dismounting bearing (18) tightened is rotation
Bearing is set in the ratchet cylinder (1) there are one ratchet (2), and a tightening axle (8) is fixed on the front end face of the ratchet (2),
The tightening axle (8), which is inserted in, tightens in bearing (16), and the outer end of the tightening axle (8), which stretches out in, tightens the outer of bearing holder (housing, cover) (15)
Portion is simultaneously fixed there are one impact wrench set (7), and the dismounting axis (19) is inserted in dismounting bearing (18), the dismounting axis (19)
Outer end stretch out in the outside of dismounting bearing holder (housing, cover) (17) and fixed there are one dismantling spanner set (20), the impact wrench sets (7)
Be all provided on dismantling spanner set (20) there are one hexagonal nut bore (14), set that there are one handle holes in the handle (4)
(6), the handle hole (6) is through-hole, and the handle hole (6) is connected with ratchet cylinder (1), the handle hole (6) it is interior inserted with
One can be along the slide bar (5) that handle hole (6) slide back and forth, and the front end of the slide bar (5) sets that there are one pawl (3), the pawls
(3) front end is inserted in ratchet cylinder (1) and matches with ratchet (2), and the end of the handle hole (6) is equipped with internal thread, institute
Socket on internal thread is stated, there are one stud (12) is compressed, to set in the handle hole (6) compressed between stud (12) and slide bar (5)
There is a holddown spring (10), one end of the holddown spring (10) is posted by slide bar (5), and other end is posted by compression spiral shell
On column (12).
2. ratchet wheel pawl type rotary spanner according to claim 1, it is characterised in that：On the rear end face of the slide bar (5)
If there are one the first location hole of the spring (9), set that there are one second spring location holes on the front end face for compressing stud (12)
(11), first location hole of the spring (9) and second spring location hole (11) are blind hole.
3. ratchet wheel pawl type rotary spanner according to claim 2, it is characterised in that：The rear end for compressing stud (12)
Interior hexagonal handle hole (13) there are one being set on face.
4. ratchet wheel pawl type rotary spanner according to claim 1, it is characterised in that：The outer diameter and hand of the slide bar (5)
The internal diameter of delthyrium (6) is equal, and the matching relationship between the slide bar (5) and handle hole (6) is clearance fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721731642.4U CN207593647U (en) | 2017-12-13 | 2017-12-13 | A kind of ratchet wheel pawl type rotary spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721731642.4U CN207593647U (en) | 2017-12-13 | 2017-12-13 | A kind of ratchet wheel pawl type rotary spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207593647U true CN207593647U (en) | 2018-07-10 |
Family
ID=62764488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721731642.4U Expired - Fee Related CN207593647U (en) | 2017-12-13 | 2017-12-13 | A kind of ratchet wheel pawl type rotary spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207593647U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186333A (en) * | 2018-09-03 | 2019-01-11 | 中国科学院长春光学精密机械与物理研究所 | A kind of clamping mechanism of dovetail guide formula rifle pendant |
| CN113084738A (en) * | 2021-03-03 | 2021-07-09 | 彩虹（合肥）液晶玻璃有限公司 | Be used in specialized tool of liquid crystal glazing field heating brick loading and unloading connecting wire |
| CN114227589A (en) * | 2021-12-23 | 2022-03-25 | 中国航发哈尔滨东安发动机有限公司 | Novel quick-release ring structure suitable for aero-engine accessory transmission case |
-
2017
- 2017-12-13 CN CN201721731642.4U patent/CN207593647U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186333A (en) * | 2018-09-03 | 2019-01-11 | 中国科学院长春光学精密机械与物理研究所 | A kind of clamping mechanism of dovetail guide formula rifle pendant |
| CN109186333B (en) * | 2018-09-03 | 2019-07-26 | 中国科学院长春光学精密机械与物理研究所 | A kind of clamping mechanism of dovetail guide formula rifle pendant |
| CN113084738A (en) * | 2021-03-03 | 2021-07-09 | 彩虹（合肥）液晶玻璃有限公司 | Be used in specialized tool of liquid crystal glazing field heating brick loading and unloading connecting wire |
| CN113084738B (en) * | 2021-03-03 | 2022-08-30 | 彩虹（合肥）液晶玻璃有限公司 | Be used in specialized tool of liquid crystal glazing field heating brick loading and unloading connecting wire |
| CN114227589A (en) * | 2021-12-23 | 2022-03-25 | 中国航发哈尔滨东安发动机有限公司 | Novel quick-release ring structure suitable for aero-engine accessory transmission case |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 Termination date: 20191213 |