CN220172721U - Double-shaft quick-opening valve driving mechanism, valve mechanism and high-voltage switch cabinet - Google Patents
Double-shaft quick-opening valve driving mechanism, valve mechanism and high-voltage switch cabinet Download PDFInfo
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- CN220172721U CN220172721U CN202321507837.6U CN202321507837U CN220172721U CN 220172721 U CN220172721 U CN 220172721U CN 202321507837 U CN202321507837 U CN 202321507837U CN 220172721 U CN220172721 U CN 220172721U
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- crank arm
- valve
- shaft
- lock tongue
- shaft sleeve
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- 230000007246 mechanism Effects 0.000 title claims abstract description 47
- 230000009977 dual effect Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Abstract
The utility model relates to a double-shaft quick-opening valve driving mechanism, a valve mechanism and a high-voltage switch cabinet, wherein the valve is opened or closed smoothly. The technical scheme adopted comprises the following steps: the crank arm support and the upper crank arm and the lower crank arm which are respectively and independently connected to the upper end and the lower end of the crank arm support through rotating shafts are respectively provided with driving shafts, an inner shaft sleeve and an outer shaft sleeve are arranged on the rotating shafts, the inner shaft sleeve and the outer shaft sleeve can rotate relatively, the upper crank arm and the lower crank arm are rotatably arranged in annular grooves at the top of the outer shaft sleeve, and check rings are arranged at the two ends of the rotating shafts.
Description
Technical Field
The utility model belongs to the field of power equipment, and particularly relates to a valve mechanism and a high-voltage switch cabinet.
Background
KYN28 series switch cabinet body is used in the power industry of China for many years, the application range is also wider and wider, and the use of the cabinet body is also more and more handy. However, problems are also found in the use process, such as the problem that the plum blossom contact and the valve plate are scraped and bumped each other in the process of shaking in and out of the large-current handcart, and as long as the opening speed of the valve can be increased, the problems can be solved, but in the use process of a cabinet body for many years, engineering technicians want various solutions, but the effect is quite unsatisfactory, and the problems cannot be essentially solved.
In order to solve the above problems, the applicant has proposed a chinese patent application for a dual-spindle quick-open type high current valve mechanism (grant publication No. CN 212518162U), which adopts the following technical scheme: the crank arm support and the upper crank arm and the lower crank arm which are respectively and independently connected to the upper end and the lower end of the crank arm support through rotating shafts are respectively provided with driving shafts, and torsion springs for driving the crank arms to reset are arranged on the rotating shafts. But also has the disadvantages that: the friction force between the rotating shaft and the crank arm as well as between the rotating shaft and the torsion spring is large, so that the problems of blocking and the like caused by opening or closing of the valve are easy to occur.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a double-shaft quick-opening valve driving mechanism, a valve mechanism and a high-voltage switch cabinet, wherein the valve is opened or closed smoothly.
In order to solve the problems, the technical scheme adopted by the utility model comprises the following steps: the crank arm support and the upper crank arm and the lower crank arm which are respectively and independently connected to the upper end and the lower end of the crank arm support through rotating shafts are respectively provided with a driving shaft, and the crank arm is characterized in that: the rotary shaft is provided with an inner shaft sleeve and an outer shaft sleeve, the rotary shaft, the inner shaft sleeve and the outer shaft sleeve can rotate relatively, the upper crank arm and the lower crank arm are rotatably arranged in an annular groove at the top of the outer shaft sleeve, and check rings are arranged at two ends of the rotary shaft.
The double-shaft quick-opening valve driving mechanism is characterized in that: torsion springs are sleeved outside the outer sleeves corresponding to the upper crank arms and the lower crank arms, and the upper crank arms and the lower crank arms are driven to automatically reset through the torsion springs.
The double-shaft quick-opening valve driving mechanism is characterized in that: the two ends of the crank arm support are provided with torsion spring force arm positioning columns, and the torsion spring force arm positioning columns are provided with first positioning grooves and second positioning grooves with different depths.
The double-shaft quick-opening valve driving mechanism is characterized in that: the self-locking mechanism comprises a lock tongue support, a lock tongue which can move left and right and is arranged on the lock tongue support, and a self-locking deflector rod which is axially connected to the lock tongue support, wherein the lock tongue support is arranged on the crank arm support, the lock tongue is axially connected to a long hole which is obliquely arranged at the lower end of the self-locking deflector rod, the lower end of the self-locking deflector rod is provided with a tension spring which drives the lock tongue to automatically lock, and a locking groove which is matched with the lock tongue is formed between the upper crank arm and the lower crank arm.
The double-shaft quick-opening valve driving mechanism is characterized in that: the front end of the self-locking deflector rod is provided with a rolling shaft.
The double-shaft quick-opening valve driving mechanism is characterized in that: and a driving shaft sleeve is arranged outside the driving shaft.
The utility model provides a valve mechanism, is in including the relative valve guide slot that sets up and can slide from top to bottom the last movable door plant and lower valve board that sets up between the valve guide slot, the last coupling of last movable door plant has long gangbar, the last coupling of lower movable door plant has short gangbar, its characterized in that: the upper shutter plate and the lower shutter plate are driven to be opened or closed by the biaxial quick-opening shutter driving mechanism described in any one of the above.
The utility model provides a high tension switchgear, includes the cabinet body, its characterized in that: the valve mechanism is arranged in the cabinet body.
The double-shaft quick-opening valve driving mechanism, the valve mechanism and the high-voltage switch cabinet have the following advantages: the rotating shaft is provided with the inner shaft sleeve and the outer shaft sleeve, so that the rotating shaft, the inner shaft sleeve and the outer shaft sleeve can rotate relatively, and then the upper crank arm and the lower crank arm are rotatably arranged in the annular groove at the top of the outer shaft sleeve, so that the upper crank arm, the lower crank arm and the rotating shaft can rotate relatively more smoothly, and are not easy to be blocked.
The utility model is further described below with reference to the drawings.
Drawings
FIG. 1 is a schematic top view of a dual axis quick opening valve drive mechanism of the present utility model;
FIG. 2 is a schematic side view of the dual axis quick opening shutter drive mechanism of the present utility model;
FIG. 3 is a schematic cross-sectional structural view of the dual axis quick opening valve drive mechanism of the present utility model;
FIG. 4 is a schematic view of the structure of the outer sleeve of the present utility model;
FIG. 5 is a schematic view of the structure of the upper and lower lever of the present utility model;
FIG. 6 is a schematic view of the structure of the lever bracket of the present utility model;
FIG. 7 is a schematic view of the shutter mechanism of the present utility model;
fig. 8 is a schematic structural view of the high voltage switchgear of the present utility model.
Detailed Description
Example 1
Referring to fig. 1 to 6, the dual-shaft quick-opening valve driving mechanism of the utility model comprises a crank arm bracket 1, and an upper crank arm 3 and a lower crank arm 4 which are respectively and independently connected to the upper end and the lower end of the crank arm bracket 1 through a rotating shaft 2. The upper crank arm 3 and the lower crank arm 4 are respectively provided with a driving shaft 5, and a trigger rod on the high-voltage switch cabinet handcart drives the valve to open by pressing the driving shafts 5 to open the upper crank arm 3 and the lower crank arm 4. The rotating shaft 2 is provided with an inner shaft sleeve 6 and an outer shaft sleeve 7, and the rotating shaft 2, the inner shaft sleeve 6 and the outer shaft sleeve 7 can rotate relatively. The upper crank arm 3 and the lower crank arm 4 are rotatably arranged in an annular groove 8 at the top of the outer sleeve 7, check rings 9 are arranged at two ends of the rotating shaft 2, and the check rings 9 at the top of the rotating shaft 2 are fixed through clamping springs in a clamping manner.
Preferably, the outer shaft sleeves 7 corresponding to the upper crank arm 3 and the lower crank arm 4 are sleeved with torsion springs 10, the torsion springs 10 drive the upper crank arm 3 and the lower crank arm 4 to reset automatically, and then drive the upper valve and the lower valve to reset quickly, and the upper valve and the lower valve are not easy to be blocked. In the conventional single-rotating-shaft structure, only one torsion spring 10 drives the lower valve to reset upwards, and the upper valve resets downwards in a freely descending manner, so that the clamping is easy to cause.
Preferably, the two ends of the crank arm support 1 are provided with torsion spring arm positioning columns 11, and the torsion spring arm positioning columns 11 are provided with first positioning grooves 12 and second positioning grooves 13 with different depths. The arm of force of the torsion spring 10 is arranged on different positioning grooves to realize the adjustment of the torsion force.
Preferably, the self-locking mechanism 26 is further included, the self-locking mechanism 26 comprises a lock tongue support 14, a lock tongue 15 which is arranged on the lock tongue support 14 and can move left and right, and a self-locking deflector rod 16 which is axially connected to the lock tongue support 14, the lock tongue support 14 is arranged on the crank arm support 1, the lock tongue 15 is axially connected to a long hole 17 which is obliquely arranged at the lower end of the self-locking deflector rod 16, a tension spring 18 which drives the lock tongue 15 to automatically lock is arranged at the lower end of the self-locking deflector rod 16, and a locking groove 19 which is matched with the lock tongue 15 is formed between the upper crank arm 3 and the lower crank arm 4. When the valve driving mechanism is in a reset state (namely, the valve of the high-voltage switch cabinet is in a closed state), the lock tongue 15 is automatically inserted into the locking groove 19 between the upper crank arm 3 and the lower crank arm 4 under the action of the tension spring 18, so as to lock the valve, thereby preventing the valve from being accidentally opened to cause unsafe factors; when the high-voltage switch cabinet handcart is pushed in, the self-locking deflector rod 16 is triggered to unlock, and then the driving shaft 5 is triggered to open the door, so that the safety is improved.
Preferably, a roller 20 is provided at the front end of the self-locking driving lever 16, and the high-voltage switch cabinet handcart triggers the self-locking driving lever 16 by pressing the roller 20, so that the sliding is smoother.
Preferably, a driving shaft sleeve 21 is arranged outside the driving shaft 5, and the high-voltage switch cabinet handcart triggers the driving shaft 5 by pressing the driving shaft sleeve 21, so that sliding is smoother.
Example 2
Referring to fig. 7, the shutter mechanism of the present utility model includes a shutter guide slot 22 disposed opposite to each other, and an upper shutter plate 23 and a lower shutter plate 24 disposed between the shutter guide slots 22 and capable of sliding up and down, wherein a long link rod 27 is pivotally connected to the upper shutter plate 23, a short link rod 28 is pivotally connected to the lower shutter plate 24, and the upper shutter plate 23 and the lower shutter plate 24 are driven to open or close by the dual-shaft quick-open shutter driving mechanism a described in embodiment 1. Specific: the long linkage rod 27 of the upper movable door plate 23 is in shaft connection with the lower crank arm 4 of the double-shaft quick-opening valve driving mechanism a, and the short linkage rod 28 of the upper movable door plate 23 is in shaft connection with the upper crank arm 3 of the double-shaft quick-opening valve driving mechanism a.
Example 3
Referring to fig. 8, the high-voltage switch cabinet of the present utility model includes a cabinet body 25, and a shutter mechanism b described in embodiment 1 is installed in the cabinet body 25. The specific installation mode of the valve mechanism b is a known technology, and will not be described herein.
The present utility model is not limited to the above-described preferred embodiments, but is not limited to the above-described embodiments, and any simple modification, equivalent changes and modification made by those skilled in the art can be made without departing from the scope of the present utility model, while still remaining within the scope of the present utility model.
Claims (8)
1. The utility model provides a biax quick-open valve actuating mechanism, includes crank arm support (1) and through pivot (2) independent hub connection respectively in last crank arm (3) and lower crank arm (4) at both ends about crank arm support (1), all be equipped with drive shaft (5) on going up crank arm (3) and lower crank arm (4), its characterized in that: the novel rotary shaft is characterized in that an inner shaft sleeve (6) and an outer shaft sleeve (7) are arranged on the rotary shaft (2), the inner shaft sleeve (6) and the outer shaft sleeve (7) can rotate relatively, the upper crank arm (3) and the lower crank arm (4) are rotatably arranged in an annular groove (8) at the top of the outer shaft sleeve (7), and check rings (9) are arranged at two ends of the rotary shaft (2).
2. The dual shaft quick opening valve driving mechanism as claimed in claim 1, wherein: torsion springs (10) are sleeved outside the outer sleeves (7) corresponding to the upper crank arms (3) and the lower crank arms (4), and the upper crank arms (3) and the lower crank arms (4) are driven to automatically reset through the torsion springs (10).
3. The biaxial quick-opening valve driving mechanism according to claim 2, wherein: the novel crank arm support is characterized in that torsion spring arm positioning columns (11) are arranged at two ends of the crank arm support (1), and first positioning grooves (12) and second positioning grooves (13) with different depths are formed in the torsion spring arm positioning columns (11).
4. The dual shaft quick opening valve driving mechanism as claimed in claim 1, wherein: the self-locking mechanism (26) is characterized by further comprising a self-locking mechanism (26), wherein the self-locking mechanism (26) comprises a lock tongue support (14), a lock tongue (15) capable of moving left and right and arranged on the lock tongue support (14) and a self-locking deflector rod (16) which is connected with the lock tongue support (14) in a shaft mode, the lock tongue support (14) is arranged on the crank arm support (1), the lock tongue (15) is connected with a long hole (17) which is obliquely arranged at the lower end of the self-locking deflector rod (16) in a shaft mode, a tension spring (18) which drives the lock tongue (15) to automatically lock is arranged at the lower end of the self-locking deflector rod (16), and a locking groove (19) matched with the lock tongue (15) is formed between the upper crank arm (3) and the lower crank arm (4).
5. The dual shaft quick opening valve driving mechanism as claimed in claim 4, wherein: the front end of the self-locking deflector rod (16) is provided with a rolling shaft (20).
6. The dual shaft quick opening valve driving mechanism as claimed in claim 1, wherein: the driving shaft (5) is externally provided with a driving shaft sleeve (21).
7. The utility model provides a valve mechanism, is in including relative valve guide slot (22) that set up and upper valve board (23) and lower valve board (24) that set up between valve guide slot (22) that can slide from top to bottom, the last coupling of upper valve board (23) has long gangbar (27), the last coupling of lower valve board (24) has short gangbar (28), its characterized in that: the upper shutter plate (23) and the lower shutter plate (24) are driven to open or close by the biaxial quick-opening shutter driving mechanism (a) according to any one of claims 1 to 6.
8. The utility model provides a high tension switchgear, includes cabinet body (25), its characterized in that: the valve mechanism (b) of claim 7 is installed in the cabinet body (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321507837.6U CN220172721U (en) | 2023-06-14 | 2023-06-14 | Double-shaft quick-opening valve driving mechanism, valve mechanism and high-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321507837.6U CN220172721U (en) | 2023-06-14 | 2023-06-14 | Double-shaft quick-opening valve driving mechanism, valve mechanism and high-voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220172721U true CN220172721U (en) | 2023-12-12 |
Family
ID=89054866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321507837.6U Active CN220172721U (en) | 2023-06-14 | 2023-06-14 | Double-shaft quick-opening valve driving mechanism, valve mechanism and high-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220172721U (en) |
-
2023
- 2023-06-14 CN CN202321507837.6U patent/CN220172721U/en active Active
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| GR01 | Patent grant |