CN207583746U - A kind of disk spring type locking device - Google Patents
A kind of disk spring type locking device Download PDFInfo
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- CN207583746U CN207583746U CN201721434951.5U CN201721434951U CN207583746U CN 207583746 U CN207583746 U CN 207583746U CN 201721434951 U CN201721434951 U CN 201721434951U CN 207583746 U CN207583746 U CN 207583746U
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Abstract
The utility model discloses a kind of disk spring type locking devices, belong to locking device technical field, for solving the problem of that one-way lock clamp force in the locking device of piston rod is small and uneven pushes the lock piston of lock tube movement and cylinder block frictional force big.The utility model includes, cylinder block, piston rod is provided in the cylinder block, the upper cover of piston rod is equipped with the lock claw for playing clamping action to piston rod, lock tube is also arranged with outside the lock claw, the lock piston for pushing lock tube is additionally provided with outside the lock tube, the disc spring group for applying disc spring force to lock piston is provided on the piston rod, the disc spring group is provided at both ends with partition board.The utility model is simple and reasonable, is improved using simple but exquisite structure, realizes the locking function of locking device well and reduces the friction energy loss of lock piston and cylinder block.
Description
Technical field
The utility model is related to locking device technical field, more particularly to a kind of disk spring type locking device.
Background technology
In the locking device of disk spring type any position, the lock ability of the structures shape of the lock claw locking device and unlock
Power consumption.Good lock claw structure can obtain the coupling mechanism force of bigger；Good lock claw structure, moreover it is possible to make lock claw endurance evenly, locking
Effect is more preferable.But current locking mechanism is all one-way locking, this structure under the action of equal disc spring force, coupling mechanism force compared with
It is small, and this structure coupling mechanism force is unevenly distributed, and the coupling mechanism force of microcephaly is more than the coupling mechanism force of major part, and locking effect is poor, and meeting
Piston rod surface is caused to damage to a certain degree.
Although installation front air cylinder inner wall can smear lubricating grease, with moving back and forth for piston, in lubrication groove
Lubricating grease is gradually decreased in friction surface, while the lubricating grease for lubricating rooved face is used, the lubricating grease accumulation with impurity
Lubricating grease in upper surface, and lubrication groove hypomere is not used, and accelerates the abrasion of piston rod so that cylinder can not drive valve
Door reliably acts.
Utility model content
The purpose of this utility model is that：It is small and be unevenly distributed in order to solve the coupling mechanism force of unilateral locking device, simultaneously
With the matching used lock piston lubrication effect of lock claw it is poor the problem of, the utility model provides a kind of disk spring type locking device.
The utility model specifically uses following technical scheme to achieve these goals：
A kind of disk spring type locking device including cylinder block, is provided with piston rod, the piston rod in the cylinder block
On be arranged with lock claw for playing clamping action to piston rod, lock tube is also arranged with outside the lock claw, is also set up outside the lock tube
It is useful for pushing the lock piston of lock tube, the disc spring group for applying disc spring force to lock piston is provided on the piston rod, it is described
Disc spring group is provided at both ends with partition board, it is characterised in that：The lock claw includes sharing the first round platform and the second round platform of same bottom surface,
First round platform is identical with the internal diameter of the second round platform, and first that connection lock claw outboard sidewalls are offered on the lock claw side wall is recessed
The first round platform is directed toward in slot, the direction that opens up of first groove for the second round platform, and first groove is terminated through the second round platform
In the latter end of the first round platform, the lock claw side wall is further opened with the second groove of connection lock claw outboard sidewalls, second groove
The direction that opens up be directed toward the second round platform for the first round platform, second groove terminates at the end of the second round platform through the first round platform
Section；Two sealing rings are provided on the lock piston, lubrication groove, the lubrication trench bottom setting are provided between the sealing ring
There is the block being mutually adapted with lubrication groove, be filled with lubricating grease in the lubrication groove, the block is located at the lower end of lubricating grease, institute
Stating block can slide up and down along the cell wall of lubrication groove, and the lubrication groove lower end is additionally provided with inlet channel, the inlet channel one
End is interconnected with lubrication trench bottom, and the other end of the inlet channel is connected through lock piston with the inner cavity of cylinder block.
Preferably, the first groove and the second groove there are two at least being opened up respectively on the side wall of the lock claw, offer more
The first groove of item and the second groove make lock claw the gap uniformity of the first groove and the second groove be made to become smaller in radial contraction, lock
Evenly, while in unlock, lock claw restores to the original state state the side wall stress of pawl under the action of elastic deformation power, the first groove with
The gap uniformity of second groove becomes larger.
Preferably, the width of the lubrication groove is more than the width of inlet channel, makes smaller atmospheric pressure with regard to that can make carrying
The baffle of lubricating grease upward sliding in lubrication groove.
Preferably, the epimere of the lubrication groove is provided with the position-limitting pin skidded off for anti-stop block, is limited by setting
Pin avoids excessive air pressure that baffle is shifted onto to excessively high position.
Preferably, the lubrication groove, baffle and inlet channel constitute lubricating system, are provided on the lock piston multiple
Lubricating system by setting multiple lubricating systems, makes lubricant effect on lock piston more preferably.
Preferably, the lock piston is additionally provided with support ring, and the support ring is located at the outside of two sealing rings, lives in lock
Close to the direction of lock tube, the peripherally disposed support ring having can be protected and power disc spring group is avoided during locking beyond the Great Wall
Disc spring force generate excessive power and affect to lock piston.
The beneficial effects of the utility model are as follows：
The lock claw of the disk spring type locking device of the utility model uses bipyramid curved surface, and one end is played master and stepped up, and the other end rises auxiliary
It helps and steps up.First round platform and lock tube overlap, and play main locking, the second round platform plays auxiliary clamp.Round platform side wall opens up
Fluted, by effect of the lock tube to lock claw, lock claw radial contraction, the first groove and the second groove gap opened up on round platform becomes
It is small, reach the state that round platform internal diameter becomes smaller, complete the locking to locking piston.
When unlock is needed, the radial contracting forces to lock claw are removed, lock claw makes the under the action of elastic deformation power
One groove and the second groove restore the state before clamping, and the internal diameter of round platform is made to become larger, completes the unlock to lock claw.
The use of double-sided clamp method under the action of similary disc spring force size, can obtain the clamping force of bigger；Due to adopting
With the mode of double-sided clamp, enable to the holding of lock claw evenly, when needing to reach an equal amount of coupling mechanism force, can subtract
Small structure space can more obtain smaller releasing force, save energy consumption.
The utility model in use, when lock claw locks process, is locked in piston moving process, by lock piston and work
Stopper rod and the air of the intracavitary of lock claw sealing are compressed, and the air pressure enhancing in inlet channel pushes piston plate in lubrication groove
Upward sliding, the lubricating grease of carrying is moved up to be contacted with each other with cylinder block, when lock claw unlocks, air pressure drop in inlet channel
Low, baffle carries lubricating grease and is moved down in lubrication groove, avoids extra lubricating grease between lock piston and cylinder block
It rubs；
Sealing ring is interior in a limited space by the limitation of extra lubricating grease, so as to be well lock piston and cylinder block
Lubricating action is provided, lubricating grease between two sealing rings, will not reduce the profit of lubricating grease due to the movement of lock piston always
Sliding effect reduces the frictional force of lock piston and cylinder block, extends the service life of sealing ring, ensures the reliable fortune of cylinder
Row.
Description of the drawings
Fig. 1 is disk spring type locking device partial structural diagram；
Fig. 2 is the structure diagram of lock claw end view；
Fig. 3 is the structure diagram of lock claw lateral plan；
Fig. 4 is lock claw cross-sectional view；
Fig. 5 is the cross-sectional view for locking piston；
Fig. 6 is the lubrication slot structure schematic diagram locked on piston；
Reference numeral：1- partition boards, 2- disc spring groups, 3- cylinder blocks, 4- lock piston, 41- sealing rings, 42- blocks, 43- into
Gas channel, 44- lubrication grooves, 45 lubricating grease, 46- position-limitting pins, 47- support rings, 5- lock tubes, 6- lock claw, the first round platforms of 61-, 62-
Second round platform, the first grooves of 63-, the second grooves of 64-, 7- piston rods.
Specific embodiment
In order to which those skilled in the art are better understood from the utility model, below in conjunction with the accompanying drawings with following embodiment to this
Utility model is described in further detail.
Including cylinder block 3, piston rod is provided in the cylinder block 3 for the disk spring type locking device of the utility model
7, the lock claw 6 for playing clamping action to piston rod 7 is arranged on the piston rod 7, lock tube 5 is also arranged with outside the lock claw 6,
The lock piston 4 for pushing lock tube 5 is additionally provided with outside the lock tube 5, is provided with to apply lock piston 4 on the piston rod 7
Add the disc spring group 2 of disc spring force, the disc spring group 2 is provided at both ends with partition board 1, and the lock claw 6 includes sharing the first of same bottom surface
61 and second round platform 62 of round platform, first round platform 61 is identical with the internal diameter of the second round platform 62, is offered on 6 side wall of lock claw
The first groove 63 of 6 outboard sidewalls of lock claw is connected, the first circle is directed toward in the direction that opens up of first groove 63 for the second round platform 62
Platform 61, first groove 61 terminate at the latter end of the first round platform 61 through the second round platform 62, and 6 side wall of lock claw is further opened with
The second groove 64 of 6 outboard sidewalls of lock claw is connected, the second circle is directed toward in the direction that opens up of second groove 64 for the first round platform 61
Platform 62, second groove 64 terminate at the latter end of the second round platform 62 through the first round platform 61；Two are provided on the lock piston 4
Bar sealing ring 41 is provided with lubrication groove 44 between the sealing ring 41, and 44 bottom of lubrication groove is provided with and 44 phase of lubrication groove
The block 42 being mutually adapted to, the lubrication groove 44 is interior filled with lubricating grease 45, and the block 42 is located at the lower end of lubricating grease 45, described
Block 42 can be slided up and down along the cell wall of lubrication groove 44, and 44 lower end of lubrication groove is additionally provided with inlet channel 43, the air inlet
43 one end of channel is interconnected with 44 bottom of lubrication groove, and the other end of the inlet channel 43 is through lock piston 4 and cylinder block 3
Inner cavity connection.
First groove 63 and the second groove 64 there are two at least being opened up respectively on the side wall of the lock claw 6.
The width of the lubrication groove 44 is more than the width of inlet channel 43.
The epimere of the lubrication groove 44 is provided with the position-limitting pin 46 skidded off for anti-stop block.
The lubrication groove 44, baffle 42 and inlet channel 43 constitute lubricating system, are provided on the lock piston 4 multiple
Lubricating system.
The lock piston 44 is additionally provided with support ring 47, and the support ring 47 is located at the outside of two sealing rings 41.
The disk spring type locking device of the utility model needs to be fixed, but only needs very when piston rod 7 works
Small coupling mechanism force, to reduce the friction energy loss in work process, the lock claw 6 of the utility model is clamped on piston rod 7, passes through
The clamping action of the lock tube 5 on the first round platform 61 is set in, makes lock claw 6 that radial contraction occur, 6 side wall of lock claw opens up first recessed
Slot 63 becomes smaller with 64 gap of the second groove, and 6 both ends of lock claw is enable to shrink simultaneously, and the inner surface of lock claw 6 is made to hold piston rod tightly
7, complete locking process；When needing unlock, it is only necessary to remove clamping force of the lock tube 5 to lock claw 6, be inflated into cylinder block 3
Pressurization, makes lock tube 5 leave lock claw 6, the first groove 63 and 64 gap of the second groove that 6 side wall of lock claw opens up are restored to original after becoming larger
State, lock claw 6 lose the enclasping force to piston rod 7, complete the releasing process of lock claw 6.The use of double-sided clamp method, can be same
Under the action of sample disc spring force size, smaller releasing force is obtained；Due to by the way of double-sided clamp, enabling to lock claw 6 more
It is uniform to hold tightly, when needing to reach an equal amount of coupling mechanism force, structure space can be reduced, can more obtain smaller unlock
Power saves energy consumption.
It during completing to clamp, needs to apply disc spring force to lock claw 6, is to locking piston 4 at this time by disc spring group 2
What the effect of power was realized, there are frictional force with cylinder block 3 in moving process for lock piston 4, and lubrication groove 44 is interior to be filled with lubrication
Fat 45 reduces the frictional force of lock piston 4 and cylinder block 3, in use, when the right side air inlet of cylinder block 3, air source
Pressure pushes up the baffle 42 of carrying lubricating grease 45, and the lubricating grease 45 in lubrication groove 44 is made to be contacted with cylinder block 3, so as to
Can be good at providing lubricating action for lock piston 4 and cylinder block 3, lubricating grease 45 be filled in always two sealing rings 41 it
Between, the lubricating action of lubricating grease 45 will not be reduced due to the movement of lock piston 4, reduce the friction of lock piston 4 and cylinder block 3
Power extends the service life of sealing ring 41, ensures the locking device reliability service of the utility model.
The preferred embodiment of the above, only the utility model, is not intended to limit the utility model, the utility model
Scope of patent protection be subject to claims, what every specification and accompanying drawing content with the utility model was made is equal
Structure change similarly should be included in the scope of protection of the utility model.
Claims (6)
1. including cylinder block (3), piston rod (7), institute are provided in the cylinder block (3) for a kind of disk spring type locking device
The lock claw (6) being arranged on piston rod (7) for playing clamping action to piston rod (7) is stated, the lock claw (6) is also arranged with lock outside
It covers (5), the lock piston (4) for pushing lock tube (5) is additionally provided with outside the lock tube (5), is set on the piston rod (7) useful
In the disc spring group (2) for applying disc spring force to lock piston (4), the disc spring group (2) is provided at both ends with partition board (1), it is characterised in that：
The lock claw (6) includes sharing the first round platform (61) of same bottom surface and the second round platform (62), first round platform (61) and the
The internal diameter of two round platforms (62) is identical, and first groove of connection lock claw (6) outboard sidewalls is offered on lock claw (6) side wall
(63), the first round platform (61), first groove are directed toward in the direction that opens up of first groove (63) for the second round platform (62)
(63) latter end of the first round platform (61) is terminated at through the second round platform (62), lock claw (6) side wall is further opened with connection lock claw
(6) the second circle is directed toward in the second groove (64) of outboard sidewalls, the direction that opens up of second groove (64) for the first round platform (61)
Platform (62), second groove (64) terminate at the latter end of the second round platform (62) through the first round platform (61)；The lock piston (4)
On be provided with two sealing rings (41), lubrication groove (44), lubrication groove (44) bottom are provided between the sealing ring (41)
The block (42) being mutually adapted with lubrication groove (44) is provided with, lubricating grease (45), the gear are filled in the lubrication groove (44)
Block (42) can be slided up and down positioned at the lower end of lubricating grease (45), the block (42) along the cell wall of lubrication groove (44), the lubrication
Slot (44) lower end is additionally provided with inlet channel (43), and described inlet channel (43) one end is interconnected with lubrication groove (44) bottom,
The other end of the inlet channel (43) is connected through lock piston (4) with the inner cavity of cylinder block (3).
2. disk spring type locking device according to claim 1, it is characterised in that：On the side wall of the lock claw (6) respectively extremely
First groove (63) and the second groove (64) there are two opening up less.
3. disk spring type locking device according to claim 1, it is characterised in that：The width of the lubrication groove (44) be more than into
The width of gas channel (43).
4. disk spring type locking device according to claim 1, it is characterised in that：The epimere of the lubrication groove (44) is provided with
The position-limitting pin (46) skidded off for anti-stop block.
5. disk spring type locking device according to claim 1, it is characterised in that：The lubrication groove (44), block (42) and
Inlet channel (43) constitutes lubricating system, and multiple lubricating systems are provided on the lock piston (4).
6. disk spring type locking device according to claim 1, it is characterised in that：The lock piston (4) is additionally provided with support
Ring (47), the support ring (47) is positioned at the outside of two sealing rings (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721434951.5U CN207583746U (en) | 2017-10-31 | 2017-10-31 | A kind of disk spring type locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721434951.5U CN207583746U (en) | 2017-10-31 | 2017-10-31 | A kind of disk spring type locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207583746U true CN207583746U (en) | 2018-07-06 |
Family
ID=62730496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721434951.5U Active CN207583746U (en) | 2017-10-31 | 2017-10-31 | A kind of disk spring type locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207583746U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578377A (en) * | 2019-01-30 | 2019-04-05 | 华中科技大学无锡研究院 | The hydraulic cylinder of the two-way dual mechanical locking in any position can be achieved |
| CN109869370A (en) * | 2019-03-29 | 2019-06-11 | 苏州久越金属科技有限公司 | A kind of adjustable floating cylinder |
| CN110131235A (en) * | 2019-05-27 | 2019-08-16 | 燕山大学 | A kind of novel hydraulic support cylinder structure |
| CN113048115A (en) * | 2021-02-25 | 2021-06-29 | 首钢京唐钢铁联合有限责任公司 | Anti-sliding cylinder structure, system and method |
| CN113217501A (en) * | 2021-04-30 | 2021-08-06 | 韶关液压件厂有限公司 | Hydraulic cylinder structure with clamp inside and using method thereof |
-
2017
- 2017-10-31 CN CN201721434951.5U patent/CN207583746U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578377A (en) * | 2019-01-30 | 2019-04-05 | 华中科技大学无锡研究院 | The hydraulic cylinder of the two-way dual mechanical locking in any position can be achieved |
| CN109869370A (en) * | 2019-03-29 | 2019-06-11 | 苏州久越金属科技有限公司 | A kind of adjustable floating cylinder |
| CN110131235A (en) * | 2019-05-27 | 2019-08-16 | 燕山大学 | A kind of novel hydraulic support cylinder structure |
| CN110131235B (en) * | 2019-05-27 | 2020-04-07 | 燕山大学 | Hydraulic supporting cylinder structure |
| CN113048115A (en) * | 2021-02-25 | 2021-06-29 | 首钢京唐钢铁联合有限责任公司 | Anti-sliding cylinder structure, system and method |
| CN113217501A (en) * | 2021-04-30 | 2021-08-06 | 韶关液压件厂有限公司 | Hydraulic cylinder structure with clamp inside and using method thereof |
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