CN205298607U - Electronic push -pull valve of high ultravacuum special type - Google Patents
Electronic push -pull valve of high ultravacuum special type Download PDFInfo
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- CN205298607U CN205298607U CN201620003747.7U CN201620003747U CN205298607U CN 205298607 U CN205298607 U CN 205298607U CN 201620003747 U CN201620003747 U CN 201620003747U CN 205298607 U CN205298607 U CN 205298607U
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- mainboard
- subplate
- bolt
- valve
- ultravacuum
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Abstract
The utility model discloses an electronic push -pull valve of high ultravacuum special type, it relates to a valve. Which comprises a valve body, the subplate, connect the key, first bolt, the mainboard, the connecting rod, a valve cove, electronic head, the gearbox, driving key, sleeve and transmission shaft, install subplate and mainboard in the valve body, be equipped with on the mainboard and connect key and first bolt, be equipped with on the subplate and be connected the key, the corresponding guide way of first bolt, the mainboard cooperatees with the subplate, be equipped with first konisphere and the first sealing washer of removing on the mainboard, it removes konisphere and second sealing washer to be equipped with the second on the subplate, the mainboard is the scarf with the middle contact surface of subplate, be provided with compression spring between mainboard and the subplate, the mainboard upper end is connected with the transmission shaft through the connecting rod, the transmission shaft is connected with the driving key transmission of installing at the gearbox, the gearbox is connected with electronic head. The utility model discloses long service life, sealed effect is good, and it is effectual to keep apart the vacuum, and the practicality is strong, easily uses widely.
Description
Technical field
The utility model relates to a kind of valve, be specifically related to high ultravacuum special type electric gate valve.
Background technology
Special valve has extremely wide utilization in military project system and equipment and high-end scientific research device, though parts are little, but acts on huge, is the critical component of the war industry equipment manufacture of restriction China and high-end scientific research device development. The ultrahigh vacuum valve of existing commercial technologies easily occurs abrasion in actual use, cause the problem that its service life is substantially reduced, and sealing effectiveness between valve inner joint face is bad, leakage problem easily occurs, especially for uncleanly pipeline medium, the valve body of existing commercial technologies cannot ensure superb vacuum, affects its result of use. Based on this, design and develop a kind of high ultravacuum special type electric gate valve or necessary.
Summary of the invention
For the deficiency existed in prior art, this utility model purpose is to be in that to provide a kind of high ultravacuum special type electric gate valve, reasonable in design, long service life, sealing effectiveness is excellent, and isolated vacuum is effective, practical, use easy to spread, is particularly applicable to uncleanly pipeline medium, guarantees the instructions for use of superb vacuum simultaneously.
To achieve these goals, this utility model is to realize by the following technical solutions: high ultravacuum special type electric gate valve, including valve body, subplate, connecting key, first bolt, mainboard, connecting rod, valve gap, electrical header, change speed gear box, driving key, sleeve and power transmission shaft, valve body is provided with subplate and mainboard, mainboard is provided with connecting key and the first bolt, subplate is provided with and connecting key, the gathering sill that first bolt is corresponding, mainboard matches with subplate, mainboard upper end is connected with power transmission shaft by connecting rod, power transmission shaft and the driving key being arranged on change speed gear box are in transmission connection, change speed gear box is connected with electrical header, change speed gear box is fixed on sleeve, power transmission shaft is arranged on sleeve inner, it is connected by valve gap is fixing between sleeve with valve body.
As preferably, being provided with the first dedusting circle and the first sealing ring between described mainboard and valve body, the middle contact being provided with the second dedusting circle and the second sealing ring, mainboard and subplate between subplate and valve body is wedge surface, is more beneficial for sealing; It is provided with compression spring between mainboard and subplate, by the spring restoring force of compression spring, is effectively reduced the abrasion of sealing surface.
As preferably, sealing between described connecting rod and valve gap and be provided with two groups of O, stop inside and outside seepage.
As preferably, described valve gap respectively through the second bolt, the 3rd bolt and valve body, sleeve is fixing is connected, sealing gasket it is additionally provided with between valve gap and valve body, second bolt, the 3rd bolt are respectively equipped with elastic washer, the first spring washer, sleeve is bolted on change speed gear box by the 4th, and the 4th bolt is provided with the second spring washer.
For uncleanly pipeline medium, the beneficial effects of the utility model: (1) isolated vacuum is effective, still ensure that (slip is better than 1 �� 10 to superb vacuum-7Pa.m3/ s, highest ranking can reach 10-9Pa.m3/ s);
(2) good sealing effect, sealing surface wear is few, longer service life;
(3) stable movement, nothing is clashed into, noise is little, it is ensured that result of use.
Accompanying drawing explanation
This utility model is described in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is structural representation of the present utility model;
Fig. 2 is side view of the present utility model.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and effect and be easy to understand, below in conjunction with detailed description of the invention, this utility model is expanded on further.
With reference to Fig. 1-2, this detailed description of the invention is by the following technical solutions: high ultravacuum special type electric gate valve, including valve body 1, subplate 2, connecting key 5, first bolt 6, mainboard 7, connecting rod 9, valve gap 14, electrical header 17, change speed gear box 18, driving key 21, sleeve 22 and power transmission shaft 23, valve body 1 is provided with subplate 2 and mainboard 7, mainboard 7 matches with subplate 2, mainboard 7 upper end is connected with power transmission shaft 23 by connecting rod 9, power transmission shaft 23 and the driving key 21 being arranged on change speed gear box 18 are in transmission connection, change speed gear box 18 is connected with electrical header 17, change speed gear box 18 is fixed on sleeve 22, it is internal that power transmission shaft 23 is arranged on sleeve 22, it is connected by valve gap 14 is fixing between sleeve 22 with valve body 1.
It should be noted that and between described mainboard 7 and valve body 1, be provided with the first dedusting circle 3 and the first sealing ring 4, between subplate 2 and valve body 1, be provided with the second dedusting circle 24 and the second sealing ring 25, between mainboard 7 and subplate 2, be provided with compression spring 8.
Additionally, the sealing between described connecting rod 9 and valve gap 14 is realized by two groups of O 13, stop inside and outside seepage; Described valve gap 14 is fixed respectively through the second bolt the 10, the 3rd bolt 15 be connected with valve body 1, sleeve 22, sealing gasket 12 it is additionally provided with between valve gap 14 and valve body 1, second bolt the 10, the 3rd bolt 15 is respectively equipped with elastic washer the 11, first spring washer 16, sleeve 22 is fixed on change speed gear box 18 by the 4th bolt 19, and the 4th bolt 19 is provided with the second spring washer 20.
This detailed description of the invention electrical header 17 and change speed gear box 18 combination use, power transmission shaft 23 is made to slowly run all the time, drive connecting rod 9, mainboard 7, subplate 2 is steady rectilinear motion up and down together, without clashing into, noise is little, mainboard 7 is provided with connecting key 5 and the first bolt 6, subplate 2 is provided with and connecting key 5, the gathering sill that first bolt 6 is corresponding, meet the slip change of closed position, during unlatching, mainboard 7 can drive subplate 2 to move together, the compression spring 8 arranged between mainboard 7 and subplate 2, its spring restoring force makes wedge shape change in location when valve opening, axial dimension diminishes, sealing surface disengages, opening force is little, sealing surface wear is few, long service life,Mainboard 7 and subplate 2 middle contact are wedge surfaces, and during closedown, subplate 2 lower end arrives valve body 1 confined planes, wedge shape change in location, and axial dimension becomes big, and sealing surface extruding force becomes big, are more beneficial for sealing; And on mainboard 7 arrange the first dedusting circle 3 and subplate 2 on arrange the second dedusting circle 24 open and close valve time elder generation's clean seal face, still ensure that superb vacuum even for uncleanly pipeline medium.
This detailed description of the invention compact conformation, motility is good, and sealing effectiveness is excellent, and isolated vacuum is effective, has wide market application foreground.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described. Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description is that principle of the present utility model is described; under the premise without departing from this utility model spirit and scope; this utility model also has various changes and modifications; such as different latus rectum sizes, valve plate material, control model, mode of operation (electric or hand) etc., these changes and improvements both fall within the scope of claimed this utility model. This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (6)
1. high ultravacuum special type electric gate valve, it is characterized in that, including valve body (1), subplate (2), connecting key (5), first bolt (6), mainboard (7), connecting rod (9), valve gap (14), electrical header (17), change speed gear box (18), driving key (21), sleeve (22) and power transmission shaft (23), valve body (1) is provided with subplate (2) and mainboard (7), mainboard (7) is provided with connecting key (5) and the first bolt (6), subplate (2) is provided with and connecting key (5), the gathering sill that first bolt (6) is corresponding, mainboard (7) matches with subplate (2), mainboard (7) upper end is connected with power transmission shaft (23) by connecting rod (9), power transmission shaft (23) and the driving key (21) being arranged on change speed gear box (18) are in transmission connection, change speed gear box (18) is connected with electrical header (17), change speed gear box (18) is fixed on sleeve (22), it is internal that power transmission shaft (23) is arranged on sleeve (22), it is connected by valve gap (14) is fixing between sleeve (22) with valve body (1).
2. high ultravacuum special type electric gate valve according to claim 1, it is characterized in that, it is provided with the first dedusting circle (3) and the first sealing ring (4) between described mainboard (7) and valve body (1), between subplate (2) and valve body (1), is provided with the second dedusting circle (24) and the second sealing ring (25).
3. high ultravacuum special type electric gate valve according to claim 1, it is characterised in that the middle contact of described mainboard (7) and subplate (2) is wedge surface.
4. high ultravacuum special type electric gate valve according to claim 1, it is characterised in that be provided with compression spring (8) between described mainboard (7) and subplate (2).
5. high ultravacuum special type electric gate valve according to claim 1, it is characterised in that seal between described connecting rod (9) and valve gap (14) and be provided with two groups of O (13).
6. high ultravacuum special type electric gate valve according to claim 1, it is characterized in that, described valve gap (14) is respectively through the second bolt (10), 3rd bolt (15) and valve body (1), sleeve (22) is fixing to be connected, sealing gasket (12) it is additionally provided with between valve gap (14) and valve body (1), second bolt (10), 3rd bolt (15) is respectively equipped with elastic washer (11), first spring washer (16), sleeve (22) is fixed on change speed gear box (18) by the 4th bolt (19), 4th bolt (19) is provided with the second spring washer (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620003747.7U CN205298607U (en) | 2016-01-06 | 2016-01-06 | Electronic push -pull valve of high ultravacuum special type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620003747.7U CN205298607U (en) | 2016-01-06 | 2016-01-06 | Electronic push -pull valve of high ultravacuum special type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205298607U true CN205298607U (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620003747.7U Active CN205298607U (en) | 2016-01-06 | 2016-01-06 | Electronic push -pull valve of high ultravacuum special type |
Country Status (1)
| Country | Link |
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| CN (1) | CN205298607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422884A (en) * | 2016-01-06 | 2016-03-23 | 江苏安普阀门机械有限公司 | High ultra-vacuum special electric gate valve |
-
2016
- 2016-01-06 CN CN201620003747.7U patent/CN205298607U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422884A (en) * | 2016-01-06 | 2016-03-23 | 江苏安普阀门机械有限公司 | High ultra-vacuum special electric gate valve |
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