CN204615239U - Valve drive mechanism - Google Patents
Valve drive mechanism Download PDFInfo
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- CN204615239U CN204615239U CN201520319991.XU CN201520319991U CN204615239U CN 204615239 U CN204615239 U CN 204615239U CN 201520319991 U CN201520319991 U CN 201520319991U CN 204615239 U CN204615239 U CN 204615239U
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- valve
- fork
- connecting rod
- hinged
- scissors
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Abstract
The utility model discloses a kind of valve drive mechanism, it comprises valve and drives scissors fork and connecting rod, the tool arm that one end of this connecting rod and this scissors are pitched is hinged, it also comprises opens valve strengthen the acceleration hoisting mechanism that valve opens distance for accelerating, and this acceleration hoisting mechanism and this valve and connecting rod are hinged; Its tool has the following advantages: accelerate valve opening speed, strengthens valve and opens distance.
Description
Technical field
The utility model relates to a kind of valve drive mechanism, particularly relates to a kind of quick unlatching and strengthens the valve drive mechanism that valve opens distance.
Background technology
For the valve structure adding large opening, employing lanar four rod mechanism strengthens the driving angle of inclination of valve drive plate and longitudinal height usually, thus improves the rapidity of valve unlatching and the Lift of increasing valve.But when the operation of circuit breaker needs to coordinate with the universal product of OEM, now keep the versatility of valve drive plate just to seem most important.So drive the mode of this large valve arrangement can not be suitable in this case by change valve drive plate.Existing valve Drive Structure adopts scissors fork mechanism, and this structure has following shortcoming: 1, there is movement dead between this mechanism and connecting rod, thus affects the maximum opening angle of scissors fork, and what reduce valve opens distance; 2, when scissors fork is opened to certain angle, limitting by space, mounting guide rail that is easy and switch cubicle level board interferes; 3, the rapidity driving valve to open is inadequate, and circuit breaker shakes in process, and Mume flower contact can interfere with valve before valve is opened completely.
Utility model content
The utility model provides and a kind ofly existing valve Drive Structure can be kept to open fast again and strengthen the valve drive mechanism that valve opens distance, which overcomes the deficiencies in the prior art described in background technology.
The utility model solves the technical scheme that its technical problem adopts:
Valve drive mechanism, it comprises valve and drives scissors fork and connecting rod, and the tool arm that one end of this connecting rod and this scissors are pitched is hinged, and also comprises acceleration hoisting mechanism, and this acceleration hoisting mechanism and this valve and connecting rod are hinged.
Among one embodiment: this acceleration hoisting mechanism comprises roller, roller groove and fork, this roller groove is fixedly arranged on switch cubicle, one end and the valve of this fork are hinged, be hinged with the other end of connecting rod between the two ends of this fork, the other end of this fork to be rolled with this roller groove by roller and is connected, drive fork to swing by this scissors fork drive link, and then drive valve to move by the swing of fork.
Among one embodiment: this roller groove is trough with straight angle, there is level trough in the horizontal direction and vertical slots vertically, this roller rolls between the two ends of this trough with straight angle, when the pin joint that connecting rod pitched by the pin joint of the pin joint of this fork and valve, fork and connecting rod, scissors is positioned at same straight line, this roller is positioned at this vertical slots.
Among one embodiment: the opening of this roller groove is towards valve, have base plate, connecting bottom board interior plate inside nearly right angle and connecting bottom board and outer panel inside right angle far away, the outer panel of its right angle turn is the inclined plane can with active force inside right angle.
Among one embodiment: this vertical slots at least has interior plate.
Among one embodiment: this valve is provided with dodges hole, this dodges the movement locus of the pin joint of the adaptive connecting rod in hole and fork.
Among one embodiment: there is upper valve and lower valve, there is upper connecting rod and lower link, the one tool arm that on this, one end of connecting rod and this scissors are pitched is hinged, another tool arm that one end of this lower link and this scissors are pitched is hinged, and on this, valve and upper connecting rod, lower valve and lower link accelerate hoisting mechanism with one respectively and be hinged.
Among one embodiment: should and the acceleration hoisting mechanism that is hinged of the acceleration hoisting mechanism that is hinged of upper valve and upper connecting rod and lower valve and lower link between for be arranged symmetrically with up and down.
The technical program is compared with background technology, and its tool has the following advantages:
Valve drive mechanism, it comprises valve and drives scissors fork, connecting rod and acceleration hoisting mechanism, this acceleration hoisting mechanism and this valve and connecting rod are hinged, the tool arm that one end of this connecting rod and this scissors are pitched is hinged, this acceleration hoisting mechanism comprises roller, roller groove and fork, this roller groove is fixedly arranged on switch cubicle, one end and the valve of this fork are hinged, be hinged with the other end of connecting rod between the two ends of this fork, the other end of this fork to be rolled with this roller groove by roller and is connected, fork is driven to swing by this scissors fork drive link, and then drive valve to move by the swing of fork, because the guide direction of roller along roller groove is rolled and the geometry movement relation that formed between fork, valve and connecting rod, accelerate the movement velocity of valve at opening process, namely the opening speed of valve is accelerated, increase or shorten the actual connecting length of connecting rod, what namely increase valve opens distance, possess simultaneously can with circuit breaker with the use of the use of the OEM universal product, namely to have possessed original valve and opened driving mechanism.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 depict valve described in the present embodiment in the closed position time, the view of driving mechanism.
Fig. 2 valve depicted described in the present embodiment accelerates in opening procedure, the view of driving mechanism.
When the pin joint 3 that Fig. 3 depicts the pin joint of the pin joint of fork described in the present embodiment and valve, fork and connecting rod, connecting rod pitched by scissors is positioned at same straight line, the view of driving mechanism.
Fig. 4 depicts the partial enlarged drawing in Fig. 3.
When Fig. 5 valve depicted described in the present embodiment is in a fully open position, the view of driving mechanism.
Fig. 6 depicts the partial enlarged drawing in Fig. 5.
Fig. 7 depicts in the valve closing process described in the present embodiment, the view of driving mechanism.
Embodiment
Please refer to Fig. 1 to Fig. 7, valve drive mechanism comprises valve and drives scissors fork 10, connecting rod 20 and accelerate hoisting mechanism 30, and the tool arm that one end of this connecting rod 20 and this scissors pitch 10 is hinged, and this acceleration hoisting mechanism 30 and this valve 40 and connecting rod 20 are hinged.
This acceleration hoisting mechanism 30 comprises roller 31, roller groove 32 and fork 33, this roller groove 32 is fixedly arranged on switch cubicle, one end and the valve 40 of this fork 33 are hinged, be hinged with the other end of connecting rod 20 between the two ends of this fork 33, the other end of this fork 33 is rolled with this roller groove 32 by roller 31 and is connected, this roller groove 32 is trough with straight angle, there is level trough 312 in the horizontal direction and vertical slots 322 vertically, this roller 31 rolls between the two ends of this trough with straight angle, pitch 10 drive link 20 when this scissors move and drive fork 33 to swing, fork 33 and then drive valve 40 to move until the pin joint of fork 33 and valve 40, the pin joint of fork 33 and connecting rod 20, when the pin joint 3 that 10 connecting rods 20 pitched by scissors is positioned at same straight line, this roller 31 is positioned at this vertical slots 322 and moves along vertical slots 322.
The opening of this roller groove 32 is towards valve 40, have base plate 323, connecting bottom board interior plate 324 inside nearly right angle and connecting bottom board and outer panel 325 inside right angle far away, the outer panel 325 of its right angle turn is an inclined plane 3251 can with active force inside right angle.This vertical slots 322 at least has interior plate 324, and in the present embodiment, this level trough 421 has interior plate 324 and outer panel 325, and this vertical slots 322 has interior plate 324.
In the present embodiment, this valve 40 is provided with dodges hole 401, and this dodges the movement locus of the pin joint of the adaptive connecting rod 20 in hole 401 and fork 33.
Above-described valve drive mechanism is that valve 40 correspondence accelerates hoisting mechanism 30 and connecting rod 20, switch cabinet shutter often has upper valve 41 and lower valve 42, opened or closed by drawing close mutually or deviating from realization mutually between upper valve 41 and lower valve 42, when having upper valve 41 and lower valve 42, then there is upper connecting rod 21 and lower link 22, the one tool arm that on this, one end of connecting rod 21 and this scissors pitch 10 is hinged, another tool arm that one end of this lower link 22 and this scissors pitch 10 is hinged, valve 41 and upper connecting rod 21 on this, lower valve 42 and lower link 22 are respectively and accelerate hoisting mechanism 30 and to be hinged and this two accelerates to be formed as between hoisting mechanism being arranged symmetrically with up and down.The driving mechanism of identical quick unlatching large opening valve can be had in the both sides of valve 41, lower valve 42 on this.
Above valve be opened for example, during (1) initial position, fork above upper connecting rod 21, and has a certain degree with upper connecting rod 21 shape; (2) when circuit breaker starts to shake into and drive scissors fork 10 to do " shearing " action, upper connecting rod 21 is driven to move upward by scissors fork 10, and then pushing rolling wheels 31 rolls in the level trough 321 of roller groove 32, make connecting rod 21 in uphill process, drive fork 33 to deflect, fork 33 promotes upper valve 41 and does quick breakdown action.Until the pin joint of the pin joint of fork 33 and upper valve 41, fork 33 and upper connecting rod 21, scissors pitchs 10 when being positioned at same straight line with the pin joint 3 of upper connecting rod 21 (the hinged dead point of fork 33 and upper connecting rod 21), roller 31 is just in time positioned at the initiating terminal place of vertical slots 322 near turning right angle of this right angle roller groove 32, barrier effect due to the pair roller 31 of the interior plate 324 of vertical slots 322 ensure that fork 33 toward level trough 321 times partially, can not so far complete the acceleration opening process of valve 21; (3) after fork 33 and upper connecting rod 21 form hinged dead point, scissors fork 10 continues to promote upper connecting rod 21 and rises, upper connecting rod 21 drives roller 31 rise toward vertical slots 322 end and drive valve 41 to open further, until upper valve 41 is opened completely, due to the barrier effect of vertical slots 322 interior plate 324, fork 33 can not return partially, and the actual connecting length now going up connecting rod 21 is the distance that upper connecting rod 21 its length adds between the pin joint of upper pendulum bar 33 and upper valve 41 and the pin joint of fork 33 and upper connecting rod 21.(4) when upper valve 41 is closed, scissors fork 10 release " shearing " action also drives upper connecting rod 21 to move downward, fork 33 and roller 31 move downward thereupon, until when roller 31 arrives the inclined plane 3251 of outer panel 325, under the effect on inclined plane 3251, fork 33 departs from dead-centre position 321 times partially toward level trough, and then fork 33 rotates gradually and gets back to initial position, thus valve is closed in pass.
In like manner, the opening and closing process of lower valve 42 is identical with upper valve 41, difference is: when lower valve 42 is opened completely, and the actual connecting length of lower link 22 is the distance that lower link 22 its length deducts between the pin joint of fork 33 and lower valve 42 and the pin joint of fork 33 and lower link 22.
The utility model accelerates hoisting mechanism the actual connecting length of upper connecting rod is increased and the actual connecting length of lower link shortens by increasing, thus increase valve open distance, accelerate again the opening speed of valve simultaneously.
The above, be only the utility model preferred embodiment, therefore the scope that the utility model implements can not be limited according to this, the equivalence namely done according to the utility model the scope of the claims and description change with modify, all should still belong in scope that the utility model contains.
Claims (8)
1. valve drive mechanism, comprise valve and drive scissors fork and connecting rod, the tool arm that one end of this connecting rod and this scissors are pitched is hinged, and it is characterized in that: also comprise acceleration hoisting mechanism, and this acceleration hoisting mechanism and this valve and connecting rod are hinged.
2. valve drive mechanism according to claim 1, it is characterized in that: this acceleration hoisting mechanism comprises roller, roller groove and fork, this roller groove is fixedly arranged on switch cubicle, one end and the valve of this fork are hinged, be hinged with the other end of connecting rod between the two ends of this fork, the other end of this fork to be rolled with this roller groove by roller and is connected, and drives fork to swing, and then drive valve to move by the swing of fork by this scissors fork drive link.
3. valve drive mechanism according to claim 2, it is characterized in that: this roller groove is trough with straight angle, there is level trough in the horizontal direction and vertical slots vertically, this roller rolls between the two ends of this trough with straight angle, when the pin joint that connecting rod pitched by the pin joint of the pin joint of this fork and valve, fork and connecting rod, scissors is positioned at same straight line, this roller is positioned at this vertical slots.
4. valve drive mechanism according to claim 3, it is characterized in that: the opening of this roller groove is towards valve, have base plate, connecting bottom board interior plate inside nearly right angle and connecting bottom board and outer panel inside right angle far away, the outer panel of its right angle turn is the inclined plane can with active force inside right angle.
5. valve drive mechanism according to claim 4, is characterized in that: this vertical slots at least has interior plate.
6. the valve drive mechanism according to any one of claim 2, is characterized in that: this valve is provided with dodges hole, and this dodges the movement locus of the pin joint of the adaptive connecting rod in hole and fork.
7. valve drive mechanism according to any one of claim 1 to 6, it is characterized in that: there is upper valve and lower valve, there is upper connecting rod and lower link, the one tool arm that on this, one end of connecting rod and this scissors are pitched is hinged, another tool arm that one end of this lower link and this scissors are pitched is hinged, and on this, valve and upper connecting rod, lower valve and lower link accelerate hoisting mechanism with one respectively and be hinged.
8. valve drive mechanism according to claim 7, is characterized in that: should and the acceleration hoisting mechanism that is hinged of the acceleration hoisting mechanism that is hinged of upper valve and upper connecting rod and lower valve and lower link between for be arranged symmetrically with up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520319991.XU CN204615239U (en) | 2015-05-18 | 2015-05-18 | Valve drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520319991.XU CN204615239U (en) | 2015-05-18 | 2015-05-18 | Valve drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204615239U true CN204615239U (en) | 2015-09-02 |
Family
ID=53967763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520319991.XU Active CN204615239U (en) | 2015-05-18 | 2015-05-18 | Valve drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204615239U (en) |
-
2015
- 2015-05-18 CN CN201520319991.XU patent/CN204615239U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |