CN107882446B - Lockable mechanism, valve bonnet and engineering machinery - Google Patents
Lockable mechanism, valve bonnet and engineering machinery Download PDFInfo
- Publication number
- CN107882446B CN107882446B CN201710840718.5A CN201710840718A CN107882446B CN 107882446 B CN107882446 B CN 107882446B CN 201710840718 A CN201710840718 A CN 201710840718A CN 107882446 B CN107882446 B CN 107882446B
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- Prior art keywords
- lockable mechanism
- plate
- long hole
- locking part
- shell
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The present invention provides a kind of lockable mechanism, valve bonnet and engineering machinery, wherein lockable mechanism, comprising: shell has evacuation long hole on the first plate of shell；Elastic component, elastic component are arranged in shell；Latch assembly, latch assembly is partially disposed in shell, latch assembly includes stretching out the locking part of evacuation long hole, elastic component applies the elastic force along first direction to latch assembly, so that locking part stretches out the adjustable in length of evacuation long hole, it can be swung along evacuation long hole when locking part is by external force in a second direction so that the matching piece cooperated with locking part passes through, locking part is static with locking matching piece when locking part is by external force along the third direction opposite with second direction, and first direction and second direction are in predetermined angle.Technical solution of the present invention efficiently solves the problems, such as to fix between the fixed cover of valve bonnet in the prior art and movable guard.
Description
Technical field
The present invention relates to the technical fields of engineering machinery, in particular to a kind of lockable mechanism, valve bonnet and engineering machine
Tool.
Background technique
In the prior art, it is provided on concrete mixer for protecting pumping system distribution valve group not by rainwater and the external world
The valve bonnet of the pollution of impurity.Distribution valve group includes solenoid directional control valve, overflow valve, unloading electromagnetic valve etc., and distribution valve group is generally installed
In pump truck subframe rear end, close to the position of hopper oscillating oil cylinder, working environment is more severe, to guarantee the clear of its working environment
It is clean, guarantee that the stabilization of its performance, distribution valve group need frequent checking maintenance.But the fixed cover of the valve bonnet of the prior art and activity
The structure not being fixed to each other between cover is inconvenient to the maintenance, repair for distributing valve group in this way.
Summary of the invention
The main purpose of the present invention is to provide a kind of lockable mechanism, valve bonnet and engineering machinery, to solve in the prior art
Valve bonnet fixed cover and movable guard between the problem that can not fix.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of lockable mechanism, comprising: shell, shell
There is evacuation long hole on first plate of body；Elastic component, elastic component are arranged in shell；Latch assembly, latch assembly is partly
It is arranged in shell, latch assembly includes stretching out the locking part of evacuation long hole, and elastic component applies along first direction latch assembly
Elastic force can when locking part is by external force in a second direction so that locking part stretches out the adjustable in length of evacuation long hole
It is swung along evacuation long hole so as to pass through with the matching piece of locking part cooperation, locking part is by along the third party opposite with second direction
To external force when locking part it is static with locking matching piece, first direction and second direction are in predetermined angle.
Further, latch assembly includes pedestal, pivotal axis and torsional spring, and pivotal axis is set on the base, and torsional spring is threaded through
On pivotal axis, first end and the pedestal of torsional spring are supported, and the second end of torsional spring stretches out evacuation long hole to form locking part.
Further, pedestal includes contact plate, and shell further includes the second plate being oppositely arranged with the first plate, elastic component
Contact is between contact plate and the second plate, to apply the elastic force along first direction to pedestal.
Further, pedestal further includes mounting plate, and mounting plate is perpendicularly connect with contact plate, and pivotal axis is vertically arranged
On a mounting board.
Further, the first end of pivotal axis is connected with mounting plate, and the second end of pivotal axis forms unlock operating side.
Further, shell further includes the third plate being arranged between the first plate and the second plate, on third plate
It is provided with long guiding hole, long guiding hole extends in a first direction, and unlock operating side is pierced by long guiding hole.
Further, pedestal further includes contact axis, and contact axis is arranged on a mounting board, first end and the pivotal axis phase of torsional spring
It supports.
According to another aspect of the present invention, a kind of valve bonnet is provided, comprising: fixed cover is fixed on the side wall of cover and is provided with
Slide long hole；Movable guard, movable guard setting nested with fixed cover, movable guard have traveller, and traveller can be moved along sliding long hole；Lock
Locking mechanism, lockable mechanism are above-mentioned lockable mechanism, and lockable mechanism setting cooperates on fixed cover, and with traveller so as to activity
The traveller of cover carries out locking.
Further, lockable mechanism is two, and fixed cover includes the first overhead guard and opposite two that the first overhead guard is arranged in
The first side wall of side, sliding long hole are two, and two sliding long holes are separately positioned on two the first side walls, a lockable mechanism
The outer end of first sliding long hole is set, locking is carried out with the expanded position to movable guard, the setting of another lockable mechanism is the
The inner end of two sliding long holes carries out locking with the stowed position to movable guard；Movable guard includes the second overhead guard and is arranged second
The second sidewall of the opposite two sides of overhead guard, two second sidewalls and two the first side walls are pivotably connected, the second overhead guard and
First overhead guard can relatively move so that movable guard is in the deployed or in stowed position.
According to another aspect of the present invention, a kind of engineering machinery is provided, including valve and the valve bonnet that is located on valve,
Valve bonnet is above-mentioned valve bonnet.
It applies the technical scheme of the present invention, it is fixed to cover with movable guard when being in the deployed or stowed position,
Latch assembly carries out locking to movable guard, and the vertical extension that the locking part of lockable mechanism stretches out evacuation long hole is adjustable, locking part
Locking is carried out to movable guard when the vertical extension of stretching is longer, when not needing locking, the vertical extension that locking part is stretched out shortens,
Thereby realize fixation of the lockable mechanism to movable guard.Technical solution of the present invention efficiently solves valve in the prior art
The problem that can not be fixed between the fixed cover and movable guard of cover.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the embodiment of lockable mechanism according to the present invention；
Fig. 2 shows the structural schematic diagrams of the first plate of Fig. 1；
Fig. 3 shows the structural schematic diagram of the third plate of Fig. 1；
Fig. 4 shows the structural schematic diagram of valve bonnet according to the present invention；And
Fig. 5 shows the structural schematic diagram of engineering machinery according to the present invention.
Wherein, the above drawings include the following reference numerals:
10, shell；11, the first plate；111, long hole is avoided；12, the second plate；13, third plate；131, guiding length
Hole；20, elastic component；30, latch assembly；31, pedestal；311, contact plate；312, mounting plate；313, contact axis；32, pivotal axis；
33, torsional spring；34, locking part；100, fixed cover；101, long hole is slided；200, movable guard；201, traveller；300, lockable mechanism.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary
Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein
Formula.It should be understood that it is thoroughly and complete to these embodiments are provided so that disclosure herein, and these are shown
The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, expands layer
With the thickness in region, and make that identical device is presented with like reference characters, thus description of them will be omitted.
As shown in Figures 1 to 5, the lockable mechanism of the present embodiment includes: shell 10, elastic component 20 and latch assembly 30.Shell
There is evacuation long hole 111 on first plate 11 of body 10.Elastic component 20 is arranged in shell 10.Latch assembly 30 is partly arranged
In shell 10, latch assembly 30 includes stretching out the locking part 34 of evacuation long hole 111, and elastic component 20 applies edge to latch assembly 30
The elastic force of first direction, so that locking part 34 stretches out the adjustable in length of evacuation long hole 111, locking part 34 is by along second party
To external force when can along evacuation long hole 111 swing so that with locking part 34 cooperate matching piece pass through, locking part 34 is by edge
Locking part 34 is static when the external force of the third direction opposite with second direction is in locking matching piece, first direction and second direction
Predetermined angle.
Using the technical solution of the present embodiment, fixed cover 100 and movable guard 200 are being in the deployed or stowed position
When, latch assembly 30 carries out locking to movable guard 200, and the locking part 34 of lockable mechanism 300 stretches out the perpendicular of evacuation long hole 111
To adjustable in length, locking, when not needing locking, locking are carried out to movable guard when the vertical extension that locking part 34 is stretched out is longer
The vertical extension that portion 34 is stretched out shortens, and thereby realizes fixation of the lockable mechanism 300 to movable guard.The technical side of the present embodiment
Case efficiently solves the problems, such as to fix between the fixed cover 100 of valve bonnet in the prior art and movable guard 200.It is worth
It is noted that first direction is the vertical direction in Fig. 1 in the technical scheme of this embodiment, second direction is in Fig. 1
Direction from left to right, as long as the power of second direction has component from left to right.
As shown in Figure 1 to Figure 3, in the technical scheme of this embodiment, latch assembly 30 includes pedestal 31,32 and of pivotal axis
Torsional spring 33, pivotal axis 32 are arranged on pedestal 31, and torsional spring 33 is threaded through on pivotal axis 32, and first end and the pedestal 31 of torsional spring 33 support
Top, the second end of torsional spring 33 stretch out evacuation long hole 111 to form locking part 34.Above structure setting is easy, easy to operate, processing
It is at low cost.
As shown in Figure 1 to Figure 3, in the technical scheme of this embodiment, pedestal 31 includes contact plate 311, and shell 10 also wraps
Include the second plate 12 being oppositely arranged with the first plate 11,20 contact of elastic component between contact plate 311 and the second plate 12, with
Elastic force along first direction is applied to pedestal 31.The setting of elastic component 20 enables latch assembly 30 to be supported downwards.
Certainly, as one skilled in the art will appreciate that the swirl section of torsional spring 33 cannot pass through evacuation long hole 111, so that torsional spring 33 is at least
The inside of the shell 10 partly limited.
As shown in Figures 2 to 4, in the technical scheme of this embodiment, pedestal 31 further includes mounting plate 312, mounting plate 312
It is perpendicularly connect with contact plate 311, pivotal axis 32 is vertically disposed on mounting plate 312.Above structure setting is compact, processing
Convenient, installation is simple.
As shown in Figure 1 to Figure 3, in the technical scheme of this embodiment, the first end of pivotal axis 32 is connected with mounting plate 312
It connects, the second end of pivotal axis 32 forms unlock operating side.It can be realized as locking by carrying out operation to unlock operating side in this way
Component 30 moves up, and then locking part 34 moves up and avoids matching piece.
As shown in Figure 1 to Figure 3, in the technical scheme of this embodiment, shell 10 further includes being arranged in 11 He of the first plate
Third plate 13 between second plate 12 is provided with long guiding hole 131 on third plate 13, and long guiding hole 131 is along first party
To extension, unlocks operating side and be pierced by long guiding hole 131.On the one hand the setting of long guiding hole 131 ensure that unlock operating side is stretched out
Shell 10, such operator's operation are easier, and on the other hand, long guiding hole 131 can also be to the movement of unlock operating side
Form limit.
As shown in Figure 1 to Figure 3, in the technical scheme of this embodiment, pedestal 31 further includes contact axis 313, contact axis 313
It is arranged on mounting plate 312, first end and 32 phase of pivotal axis of torsional spring are supported.The setting of contact axis 313 so that torsional spring it is another
End is not easy to disengage when matching with contact axis 313, and can also specifically, on contact axis 313 be arranged prevents the abjection of torsional spring 33
Structure, such as in the free end of contact axis 313 setting protrusion etc..Certainly, the gap of contact axis 313 and third plate 13 is enough
Small, the small steel wire to torsional spring cannot skid off also possible.
As shown in Figure 1 to Figure 3, in the technical scheme of this embodiment, elastic component 20 includes multiple springs, multiple springs
First end contact is on the second plate 12, and the second end contact of multiple springs is on contact plate 311.The structure of multiple springs makes
The stress of latch assembly 30 is more balanced, and such latch assembly 30 is more steady when movement.
Present invention also provides a kind of valve bonnets, comprising: fixed cover 100, movable guard 200 and lockable mechanism 300.Fixed cover
Sliding long hole 101 is provided on 100 side wall.The setting nested with fixed cover 100 of movable guard 200, movable guard 200 have traveller
201, traveller 201 can be moved along sliding long hole 101.Lockable mechanism 300 is above-mentioned lockable mechanism 300, and lockable mechanism 300 is arranged
Cooperate on fixed cover 100, and with traveller 201 so that the traveller 201 to movable guard 200 carries out locking.Above structure operation side
Just, when needing to open movable guard 200, the handle on movable guard 200 is pulled at, so that movable guard 200 is grown along sliding
Hole 101 is slided, and the traveller 201 on movable guard 200 compresses locking part 34, and torsional spring 33 deforms, and then traveller passes through locking part
34, such lockable mechanism 300 carries out locking to movable guard 200, when needing to open movable guard 200, lifts unlock operation
End, such elastic component 20 are mobile to the inside of shell 10 by compression locking part 34.
The lockable mechanism 300 of the valve bonnet of the application is two, and fixed cover 100 includes the first overhead guard and is arranged in the first overhead guard
Opposite two sides the first side wall, sliding long hole 101 be two, two sliding long holes 101 are separately positioned on two the first sides
On wall, the outer end that first sliding long hole 101 is arranged in a lockable mechanism is locked with the expanded position to movable guard 200
Only, it is locked with the stowed position to movable guard 200 inner end that second sliding long hole 101 is arranged in another lockable mechanism
Only.Above structure ensure that movable guard 200 is in the deployed or when stowed position can be realized locking.Certainly, as
One skilled in the art will appreciate that the same side that fixed cover 100 is arranged in two lockable mechanisms 300 is also possible, certain locking
Mechanism 300 is four, and there are two also possible by two of fixed cover 100.
Specifically, second sidewall of the movable guard 200 including the second overhead guard and the opposite two sides that the second overhead guard is arranged in, two
A second sidewall and two the first side walls are pivotably connected, the second overhead guard and the first overhead guard can relatively move so that movable guard
200 are in the deployed or in stowed position.Above structure is easy to process, and operation is easy.
Present invention also provides a kind of engineering machinery, and including valve and the valve bonnet being located on valve, valve bonnet is above-mentioned
Valve bonnet.The valve bonnet of the engineering machinery of the application has the advantages of easy to operate, to can be realized locking.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units not
Those of be necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, side
The intrinsic other step or units of method, product or equipment.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of lockable mechanism, comprising:
Shell (10) has evacuation long hole (111) on the first plate (11) of the shell (10)；
Elastic component (20), elastic component (20) setting is in the shell (10)；
Latch assembly (30), the latch assembly (30) are partially disposed in the shell (10), the latch assembly (30)
Locking part (34) including stretching out evacuation long hole (111), the elastic component (20) apply edge to the latch assembly (30)
The elastic force of first direction, so that the locking part (34) stretches out the adjustable in length of evacuation long hole (111)；
It is characterized in that,
It can be swung along the evacuation long hole (111) so that with described when the locking part (34) is by external force in a second direction
The matching piece of locking part (34) cooperation passes through, and the locking part (34) is by along the third direction opposite with the second direction
The locking part (34) is static with matching piece described in locking when external force, and the first direction and second direction are in predetermined angle.
2. lockable mechanism according to claim 1, which is characterized in that the latch assembly (30) includes pedestal (31), pivot
Shaft (32) and torsional spring (33), the pivotal axis (32) are arranged on the pedestal (31), and the torsional spring (33) is threaded through described
On pivotal axis (32), first end and the pedestal (31) of the torsional spring (33) are supported, and the second end of the torsional spring (33) is stretched out
The evacuation long hole (111) is to form the locking part (34).
3. lockable mechanism according to claim 2, which is characterized in that the pedestal (31) includes contact plate (311), described
Shell (10) further includes the second plate (12) being oppositely arranged with first plate (11), and elastic component (20) contact is in institute
It states between contact plate (311) and second plate (12), to apply the pedestal (31) along described in the first direction
Elastic force.
4. lockable mechanism according to claim 3, which is characterized in that the pedestal (31) further includes mounting plate (312),
The mounting plate (312) perpendicularly connect with the contact plate (311), and the pivotal axis (32) is vertically disposed at institute
It states on mounting plate (312).
5. lockable mechanism according to claim 4, which is characterized in that the first end and the installation of the pivotal axis (32)
Plate (312) is connected, and the second end of the pivotal axis (32) forms unlock operating side.
6. lockable mechanism according to claim 5, which is characterized in that the shell (10) further includes being arranged described first
Third plate (13) between plate (11) and the second plate (12) is provided with long guiding hole on the third plate (13)
(131), the long guiding hole (131) extends along the first direction, and the unlock operating side is pierced by the long guiding hole
(131)。
7. lockable mechanism according to claim 4, which is characterized in that the pedestal (31) further includes contact axis (313),
The contact axis (313) is arranged on the mounting plate (312), the first end of the torsional spring (33) and the pivotal axis
(32) it mutually supports.
8. a kind of valve bonnet characterized by comprising
It is fixed to cover (100), sliding long hole (101) is provided on the side wall of the fixed cover (100)；
Movable guard (200), the movable guard (200) is nested with the fixed cover (100) to be arranged, and the movable guard (200) has
Traveller (201), the traveller (201) can be mobile along the sliding long hole (101)；
Lockable mechanism (300), the lockable mechanism (300) are lockable mechanism described in any one of claims 1 to 7, the lock
Locking mechanism (300) setting cooperates on the fixed cover (100), and with the traveller (201) so as to the movable guard (200)
Traveller (201) carry out locking.
9. valve bonnet according to claim 8, which is characterized in that the lockable mechanism (300) is two, the fixed cover
(100) include the first overhead guard and be arranged in first overhead guard opposite two sides the first side wall, the sliding long hole (101)
It is two, described two sliding long holes (101) are separately positioned on described two the first side walls, and the setting of lockable mechanism is the
The outer end of one sliding long hole (101) carries out locking, another described lock with the expanded position to the movable guard (200)
Locking mechanism setting is locked in the inner end of second sliding long hole (101) with the stowed position to the movable guard (200)
Only；
The movable guard (200) includes the second sidewall of the second overhead guard with the opposite two sides that second overhead guard is arranged in, institute
It states two second sidewalls and described two the first side walls is pivotably connected, second overhead guard and first overhead guard can be opposite
Movement is so that the movable guard (200) is in the deployed or in stowed position.
10. a kind of engineering machinery, which is characterized in that including valve and the valve bonnet being located on valve, the valve bonnet is wanted for right
Valve bonnet described in asking 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710840718.5A CN107882446B (en) | 2017-09-15 | 2017-09-15 | Lockable mechanism, valve bonnet and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710840718.5A CN107882446B (en) | 2017-09-15 | 2017-09-15 | Lockable mechanism, valve bonnet and engineering machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107882446A CN107882446A (en) | 2018-04-06 |
| CN107882446B true CN107882446B (en) | 2019-07-19 |
Family
ID=61780710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710840718.5A Active CN107882446B (en) | 2017-09-15 | 2017-09-15 | Lockable mechanism, valve bonnet and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107882446B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2066061U (en) * | 1990-05-23 | 1990-11-21 | 廖武 | Moving bolt with self-locking |
| JP2700447B2 (en) * | 1995-07-31 | 1998-01-21 | タキゲン製造株式会社 | Unlocking position restricted type latch device |
| JP4346803B2 (en) * | 2000-09-14 | 2009-10-21 | 美和ロック株式会社 | Surface guard guard lock. |
| CN201546545U (en) * | 2009-10-12 | 2010-08-11 | 许峭峰 | Door positioner |
| CN203856299U (en) * | 2014-05-28 | 2014-10-01 | 辽宁工业大学 | Door fixer |
-
2017
- 2017-09-15 CN CN201710840718.5A patent/CN107882446B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107882446A (en) | 2018-04-06 |
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Effective date of registration: 20200928 Address after: No.202 Xuanfu street, Xuanhua District, Zhangjiakou, Hebei Province Patentee after: Hebei Leisa Heavy Construction Machinery Co., Ltd Address before: 102206 Beijing, Shahe, Changping District Town, Sha Yang Road, Beiqi Futian Motor Company Limited law and Intellectual Property Department Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |
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