CN206845677U - Locking device - Google Patents
Locking device Download PDFInfo
- Publication number
- CN206845677U CN206845677U CN201720762208.6U CN201720762208U CN206845677U CN 206845677 U CN206845677 U CN 206845677U CN 201720762208 U CN201720762208 U CN 201720762208U CN 206845677 U CN206845677 U CN 206845677U
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- handle portion
- locking device
- rod section
- cam part
- bearing
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Abstract
The utility model discloses a kind of locking device, including：Cam part；Bearing, the bearing are located at the both ends of the cam part；Rod section, the rod section pass through connected piece, and its one end is provided with annulus, and the annulus is sheathed in the cam part, and the connected piece is fixed in rod section by its other end by fastener；Supporting part, it is arcuate structure on the upper surface of the supporting part, is in contact with the bearing, the supporting part lower surface is plane；And handle portion, the handle portion is provided with positioning hole, and is fixedly linked with the cam part, and the handle portion is rotatably arranged around the circle ring center between the first position and the second position, when the handle portion rotates from first position to the second place, the rod section is moved upwards；When the handle portion rotates from the second place to first position, the rod section moves downward.The device greatly reduces the abrasion of itself and connected piece, service life length, reliability height.
Description
Technical field
It the utility model is related to lock technology field, more particularly to a kind of locking device.
Background technology
Locking member is a kind of mechanism for being fixed two connected pieces by locking member two connected pieces of compression.China
Patent specification CN201610201500.0 discloses a kind of locking member, including set lever and locking pull bar, set lever are
Cam or eccentric mechanism with pan, locking pull bar are connected on set lever, and set lever is around locking pull bar footpath
To rotation.When depressing set lever, there is no gap between set lever, fine setting pulling-on piece and arc support, set lever will be micro-
Pulling-on piece and arc support is adjusted to clamp.But this locking member is by the sliding friction between cam or eccentric wheel and connected piece
The mode that connected piece is clamped easily causes to wear in itself to connected piece and locking member, so as to reduce the use longevity of locking member
Life, reduce reliability.
The content of the invention
In view of the above-mentioned problems of the prior art, the utility model proposes a kind of locking device, the device substantially reduces
The abrasion of itself and connected piece, service life length, reliability are high.
To achieve these goals, the utility model proposes a kind of locking device, the locking device, which is arranged on, to be connected
On part, including：Cam part；Bearing, the bearing are located at the both ends of the cam part；Rod section, the rod section is described in
Connected piece, annulus is integrally formed in its one end, and the annulus is sheathed in the cam part, and its other end passes through fastener
The connected piece is fixed in rod section；Supporting part, it is arcuate structure on the upper surface of the supporting part, with the bearing
Contact is engaged, the supporting part lower surface is plane；And handle portion, the handle portion are provided with positioning hole, and with it is described
Cam part is fixedly linked, and the handle portion is rotatably arranged around the annulus between the first position and the second position, works as institute
State handle portion from first position to the second place rotate when, the rod section is moved upwards；When the handle portion is by the second place
When being rotated to first position, the rod section moves downward.
In the technical scheme, when the handle portion rotates from first position to the second place, rod section is moved upwards,
Now the bearing extruding supporting part located at cam part both sides moves downward, and is fixed between two connected pieces by sliding friction
It is locked together；When handle portion rotates from the second place to first position, rod section moves downward, now cam part both sides
Bearing deviate from supporting part, two connected pieces are released release.The device greatly reduces the mill of itself and connected piece
Damage, service life length, reliability are high.
In addition, according to locking device of the present utility model, there can also be following technical characteristic：
Further, the cam part includes main wheel and side wheel, and the main wheel coordinates with the annulus, and the side wheel is located at
The eccentric position of the main wheel two sides, the bearing is on the side wheel.
Further, the side wheel is provided with positioning convex, and the positioning convex and the positioning hole of handle portion coordinate.
Further, the other end of the rod section is provided with external screw thread, and is connected with nut.
Further, the handle portion includes snap ring, connecting plate and arc handle, and the connecting plate is symmetrically set in the arc
One end, the snap ring is on the connecting plate, and the positioning hole is on the snap ring.
Further, the handle portion also includes transverse slat, and the transverse slat is vertical on the inside of the connecting plate, and close to institute
State snap ring setting.
Preferably, the handle portion is formed in one part.
Preferably, the handle portion is manganese steel part.
Further, in addition to packing ring, the packing ring are located between the nut and connected piece.
Brief description of the drawings
Fig. 1 is the locking device according to the utility model embodiment, and wherein handle part is at first position；
Fig. 2 is the locking device according to the utility model embodiment, and wherein handle part is in the second place；
Fig. 3 is the explosive view according to one direction of locking device of the utility model embodiment；
Fig. 4 is the explosive view according to another direction of the locking device of the utility model embodiment；
Fig. 5 is the cam part front view according to the locking device of the utility model embodiment；
Fig. 6 is the cam part side view according to the locking device of the utility model embodiment；
Fig. 7 is the cam part structural representation according to the locking device of the utility model embodiment.
Reference:
Locking device 100；
Cam part 1；Main wheel 11；Side wheel 12；Positioning convex 121；
Bearing 2；
Rod section 3；Annulus 31；External screw thread 32；
Supporting part 4；
Handle portion 5；Arc is 51；Connecting plate 52；Transverse slat 521；Snap ring 53；Positioning hole 531；
Nut 6；
Packing ring 7.
Embodiment
Described below with reference to Fig. 1 to Fig. 7 according to locking device 100 of the present utility model.
As shown in Fig. 1~Fig. 7, according to a kind of locking device 100 of the present utility model, including：Cam part 1, bearing 2, draw
Bar portion 3, supporting part 4 and handle portion 5.
Cam part 1 and bearing 2, bearing 2 are located at the both ends of cam part 1, can by setting bearing 2 at the both ends of cam part 1
Effectively to reduce the coefficient of friction of locking device 100, avoid between cam part 1 and connected piece directly contacting and produce slip and rub
Wipe, so as to greatly reduce the abrasion between locking device 100 and connected piece.
Rod section 3, rod section 3 pass through connected piece, and its one end is integrally formed annulus 31, and annulus 31 be sheathed on it is described
In cam part 1, connected piece is fixed in rod section 3 by its other end by fastener, that is to say, that the one end of rod section 3 with
Cam part 1 is connected, and cam part 1 is rotatably provided in annulus 31, by rotation of the cam in annulus 31, so as to so as to draw
Bar portion 3 is moved up and down with the motion of cam, and connected piece limitation is fixed on rod section 3 by the other end by fastener
On, play a part of pretension fixation to connected piece.
Supporting part 4, it is arcuate structure on the upper surface of supporting part 4, is engaged and contacts with bearing 2, specifically, in supporting part
4 are provided with the circular port of up/down perforation, and rod section 3 passes through the circular port, and the upper end arcwall face structure of supporting part 4 is with being located at cam part
The outer ring of bearing 2 at 1 both ends is corresponding to coincide, and so bearing 2 can be made to be rotated along arcwall face, make the stress of bearing 2
More uniformly, the damage of bearing 2 is avoided；The lower surface of supporting part 4 is plane, and lower surface is in contact with connected piece, by support sector
Lower surface be arranged to plane the connection between locking device 100 and connected piece can be made even closer.
Handle portion 5, handle portion 5 is provided with positioning hole 531, and is fixedly linked with cam part 1, and handle portion 5 is in first position
It is rotatably arranged with the spaced winding annulus 31 of the second place, that is to say, that handle portion 5 manipulates rotation of the cam part 1 in annulus 31
Transhipment is dynamic, and handle portion 5 can control cam part 1 to be rotated in annulus 31 by first position to the second place, can also control convex
Wheel portion 1 is rotated to first position in annulus 31 by the second place.
When the handle portion 5 rotates from first position to the second place, rod section 3 is moved upwards, now located at cam
The bearing 2 of the both sides of portion 1 extrudes supporting part 4 and moved downward, and extrudes two connected pieces and is slided so as to be relied between two connected pieces
Dynamic friction is fixed together and is locked；When handle portion 5 rotates from the second place to first position, rod section 3 moves downward,
Now the bearing 2 of the both sides of cam part 1 deviates from supporting part 4, and two connected pieces are released release.What deserves to be explained is it is connected
Part is not limited in even individual or multiple.
It should be noted that " first position " can be the location of handle portion 5 shown in Fig. 1, " second place " is
The location of handle portion 5 shown in Fig. 2.
When two connected pieces need not be locked, handle portion 5 can be rotated to first position；Now, connected
Fitting is not limited by locking device 100, for example, can be performed relative motion between two connected pieces.When needing two quilts
When connector is locked, handle portion 5 can be rotated to the second place；Now, limit of the connected piece by locking device 100
System, two connected pieces device 100 that is locked are locked.By setting bearing 2 in the both sides of cam part 1, can effectively drop
Coefficient of friction of the low locking device 100 during locking, avoid producing abrasion between cam part 1 and connected piece, extend
The service life of locking device 100, and the device reliability is high.
In one embodiment of the present utility model, as shown in Fig. 5~Fig. 7, cam part 1 includes main wheel 11 and side wheel 12,
Main wheel 11 coordinates with annulus 31, and side wheel 12 is located at the eccentric position of the two sides of main wheel 11, and bearing 2 is on side wheel 12.Specifically,
Main wheel 11 and side wheel 12 are cylindrical structural, and the area of main wheel 11 is more than the area of side wheel 12, is symmetrically set in by side wheel 12
The eccentric position of the both ends of the surface of main wheel 11 and form cam part 1.By the side wheel 12 of the both sides of spinning main wheel 11, make main wheel 11 in pull bar
The internal rotation of annulus 31 in portion 3, and pull bar is moved up and down, and then connected piece is locked and discharged, on side wheel 12
Bearing 2 is movably arranged, in the rotary course of cam part 1, bearing 2 can greatly reduce the coefficient of friction of locking device 100.
In some embodiments of the utility model, as shown in Figure 1, Figure 2 and shown in Fig. 5~Fig. 7, side wheel 12 is provided with positioning
Projection 121, and positioning convex 121 and the positioning hole 531 of handle portion 5 coordinate.Specifically, it is arranged with the outer end of side wheel 12 convex
Rise, for example, two notches can symmetrically be cut out in the outside of side wheel 12, i.e., otch trend can be by perpendicular to the outer of side wheel 12
Axis direction of the side end face along side wheel 12 side direction into main wheel 11 extends, then to the side wall perpendicular to side wheel 12 along side wheel
12 radial direction extends to the side wall of side wheel 12, is consequently formed the first section 121a and the second section 121b, makes the outer end shape of side wheel 12
Into the projection of substantially rectangular shape, it is engaged with the rectangular-shaped positioning hole 531 in handle portion 5, can so makes handle portion 5 and cam
Portion 1 is fixedly connected, so that handle portion 5 can control the rotation of cam part 1.Certainly for the positioning convex 121 on side wheel 12
Formation can also be integrally formed by way of casting or forging.Preferably, the second section 121b of positioning convex 121 can be with
With side wheel 12 on main wheel 11 by the face of deviation side 111, that is to say, that the second section 121b with by the symmetrical of deviation side 111
Axis is vertical, side wheel 12, to during 90 angles, is realized the locking of locking device 100 in 0 degree of rotation.Specifically
Ground, when locking device 100 is in first position, the left side of locking device 100 is located at by deviation side 111；When locking device 100
During in the second place, the upside of locking device 100 is located at by deviation side 111.
Further, as shown in Figure 1 to 4, the other end of rod section 3 is provided with external screw thread 32, and is connected with nut 6,
That is, connected piece is fixed in rod section 3 by the mode that the other end of rod section 3 is connected through a screw thread.Specifically, exist
Locking device 100 is rotated before cam part 1 locks connected piece, first passes through connected piece with rod section 3, then nut 6 by
The end of external screw thread 32 of rod section 3 is screwed on pull bar, i.e. connected piece between nut 6 and support sector 4, make connected piece it
Between fix it is compact, then recycle handle portion 5 rotate cam part 1 make to lock between connected piece.The mode being connected through a screw thread
Securely and reliably, flexibility is high and conveniently removes and installs.
In some embodiments of the utility model, as shown in Figure 1 to 4, handle portion 5 includes snap ring 53, connecting plate 52
With arc 51, arc facilitates operation of the operator to locking device 100 51, connecting plate 52 be symmetrically set in arc 51 one
End, connecting plate 52 be arranged in parallel, can facilitate arc the connection between 51 and snap ring 53 by connecting plate 52；Snap ring 53 is located at
On connecting plate 52, and positioning hole 531 is on snap ring 53, that is to say, that positioning hole 531 is symmetricly set on snap ring 53, is passed through
Positioning hole 531 on snap ring 53 coordinates with positioning convex 121, realizes being fixedly connected between handle portion 5 and cam part 1, this
Connected mode is simple and convenient, and easy for removal and installation.
In one embodiment of the present utility model, as shown in Figure 1 to 4, handle portion 5 also includes transverse slat 521, transverse slat
521 are vertical at the inner side of connecting plate 52, and are set close to snap ring 53.Specifically, transverse slat 521 is disposed therein a connecting plate 52
Upper end, set perpendicular to the inner side of connecting plate 52 and close to snap ring 53, set transverse slat 521 to facilitate and is arranged on handle portion 5
In cam part 1, i.e., during the positioning convex 121 on positioning hole 531 and cam is installed, transverse slat 521 can be to cam part 1
On bearing 2 play a part of to only.
Preferably, handle portion 5 is formed in one part, that is to say, that handle portion 5 can pass through casting during the manufacturing
The mode made or forged is integrally formed, and such processing technology is simple, can improve the overall construction intensity of handle portion 5, but also
The trouble assembled in handle portion 5 between each part can be avoided.
Preferably, handle portion 5 is manganese steel part, and manganese steel is wear-resistant, impact resistance, has good toughness, so can be fine
Ground ensures that handle portion 5 will not deform during continually disassembly and installation, and then improves the use longevity of handle portion 5
Life.
In one embodiment of the present utility model, as shown in Figure 1 to 4, in addition to packing ring 7, packing ring 7 are located at nut 6
Between connected piece, by setting packing ring 7 between connected piece and nut 6, it can so avoid locking device 100 will be by
When connector is locked, the surface of connected piece is not abraded by nut 6, while can disperse pressure of the nut 6 to connected piece.
In description of the present utility model, it is to be understood that term " on ", " upper end ", " under ", the instruction such as " lower end "
Orientation or position relationship, be for only for ease of description the utility model and simplify describe, rather than instruction or imply shown in
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that new to this practicality
The limitation of type.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relatively important
Property or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Person implicitly includes one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than individual, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that fisrt feature directly contacts with second feature, or the first and second features pass through intermediary mediate contact.
In the utility model, unless otherwise clearly defined and limited, the art such as term " connected ", " connection ", " fixation "
Language should broadly understood, for example, it may be being fixedly connected or being detachably connected, or be integrally formed；Can be machinery
Connection；Can be joined directly together, can also be indirectly connected by intermediary, can be the connection or two of two element internals
The interaction relationship of individual element.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
Concrete meaning of the language in the utility model.
In the description of specification of the present utility model, reference term " one embodiment ", " some embodiments " etc. are retouched
State mean to combine specific features, structure, material or the feature that the embodiment or example describe be contained in it is of the present utility model extremely
In few one embodiment or example.In this manual, the schematic representation of above-mentioned term is necessarily directed to identical
Embodiment or example.Moreover, specific features, structure, material or the feature of description can be in any one or more implementations
Combined in an appropriate manner in example or example.In addition, in the case of not conflicting, those skilled in the art can be by this
Different embodiments or example and the feature of different embodiments or example described in specification are combined and combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (9)
1. a kind of locking device, the locking device（100）On connected piece, it is characterised in that including：
Cam part（1）；
Bearing（2）, the bearing（2）Located at the cam part（1）Both ends；
Rod section（3）, the rod section（3）Through the connected piece, annulus is integrally formed in its one end（31）, and the circle
Ring（31）It is sheathed on the cam part（1）On, the connected piece is fixed on rod section by its other end by fastener（3）
On；
Supporting part（4）, the supporting part（4）Upper surface on be arcuate structure, with the bearing（2）Contact is engaged, it is described
Supporting part（4）Lower surface is plane；And
Handle portion（5）, the handle portion（5）It is provided with positioning hole（531）, and with the cam part（1）It is fixedly linked, the hand
Shank（5）Between the first position and the second position around the annulus（31）It is rotatably arranged,
When the handle portion（5）From first position to the second place rotate when, the rod section（3）Motion upwards；When the hand
Shank（5）From the second place to first position rotate when, the rod section（3）Move downward.
2. locking device according to claim 1, it is characterised in that the cam part（1）Including main wheel（11）And side wheel
（12）, the main wheel（11）With the annulus（31）Coordinate, the side wheel（12）Located at the main wheel（11）The bias of two sides
Position, the bearing（2）Located at the side wheel（12）On.
3. locking device according to claim 2, it is characterised in that the side wheel（12）It is provided with positioning convex（121）,
And the positioning convex（121）With handle portion（5）Positioning hole（531）Coordinate.
4. locking device according to claim 1, it is characterised in that the rod section（3）The other end be provided with external screw thread
（32）, and and nut（6）It is connected.
5. locking device according to claim 1, it is characterised in that the handle portion（5）Including snap ring（53）, connecting plate
（52）With arc handle（51）, the connecting plate（52）It is symmetrically set in the arc handle（51）One end, the snap ring（53）It is located at
The connecting plate（52）On, and the positioning hole（531）Located at the snap ring（53）On.
6. locking device according to claim 5, it is characterised in that the handle portion（5）Also include transverse slat（521）, institute
State transverse slat（521）It is vertical at the connecting plate（52）Inner side, and close to the snap ring（53）Set.
7. locking device according to claim 6, it is characterised in that the handle portion（5）Be formed in one part.
8. locking device according to claim 6, it is characterised in that the handle portion（5）For manganese steel part.
9. locking device according to claim 4, it is characterised in that also including packing ring（7）, the packing ring（7）Located at institute
State nut（6）Between connected piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720762208.6U CN206845677U (en) | 2017-06-27 | 2017-06-27 | Locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720762208.6U CN206845677U (en) | 2017-06-27 | 2017-06-27 | Locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206845677U true CN206845677U (en) | 2018-01-05 |
Family
ID=60802286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720762208.6U Active CN206845677U (en) | 2017-06-27 | 2017-06-27 | Locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206845677U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112628A (en) * | 2019-05-24 | 2019-08-09 | 宝钢钢构有限公司 | A kind of attachment device of welding connector |
-
2017
- 2017-06-27 CN CN201720762208.6U patent/CN206845677U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112628A (en) * | 2019-05-24 | 2019-08-09 | 宝钢钢构有限公司 | A kind of attachment device of welding connector |
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