CN205207370U - Vacuum bolt - Google Patents
Vacuum bolt Download PDFInfo
- Publication number
- CN205207370U CN205207370U CN201520901783.0U CN201520901783U CN205207370U CN 205207370 U CN205207370 U CN 205207370U CN 201520901783 U CN201520901783 U CN 201520901783U CN 205207370 U CN205207370 U CN 205207370U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- vacuum
- evacuated
- described screw
- evacuated panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a vacuum bolt, includes the screw rod, vacuum board, vacuum cap are all installed to both ends about the screw rod, vacuum board, vacuum cap formation arc vacuum cavity, the screw rod is bilayer structure, sliding connection between screw rod two -layer, the outer of screw rod is connected with the vacuum board of left end, the inlayer of screw rod is connected with the vacuum board on right side, the bilayer structure of screw rod is hollow structure, the hollow structure of screw rod runs through the vacuum board and with the vacuum cavity intercommunication. The beneficial effects are that: fixed convenient, dual fixed, difficult pine takes off, improves the fastening quality.
Description
Technical field
The utility model relates to fastener areas, particularly a kind of vacuum bolt.
Background technique
Fixing mechanical parts, adopts stay bolt, clip etc. more.Be divided into two kinds by the situation that pivot pin is fixed, one is that level inserts pivot pin, prevents vertical situation about departing from, and namely our the most frequently used pivot pin connects, and namely a mechanical parts embeds in another mechanical parts, then inserts pivot pin in the joint of two mechanical parts; Another kind of situation is fixed by hexagon nut or wing nut at end by screw thread pivot pin, identical with the principle of stay bolt, and difference is that screw thread pivot pin only has screw thread at two ends, and can two ends fastening.Fixing the same with stay bolt, the second screw thread pivot pin is fixing is all by screw threads for fastening, not only easily loosens, and compares effort time fastening.
Summary of the invention
The purpose of this utility model is to solve the problem, and devises a kind of vacuum bolt.Specific design scheme is:
A kind of vacuum bolt, comprise screw rod, the two ends, left and right of described screw rod are all provided with evacuated panel, evacuated housing, described evacuated panel, evacuated housing formed arc vacuum chamber, described screw rod is double layer construction, described screw rod two-layer between be slidably connected, the skin of described screw rod is connected with the evacuated panel of left end, the internal layer of described screw rod is connected with the evacuated panel on right side, and the double layer construction of described screw rod is hollow-core construction, and the hollow-core construction of described screw rod runs through described evacuated panel and is communicated with described vacuum chamber.
Be provided with seal washer between described evacuated panel and evacuated housing, described evacuated panel, evacuated housing are all embedded in described seal washer.
Described evacuated housing is provided with vacuum pumping hole, and described vacuum chamber is communicated with external by vacuum pumping hole, and described vacuum pumping hole is provided with shutoff.
The double-deck skin of described screw rod is provided with slideway, and internal layer is provided with slide block, and described slideway, slide block are "T"-shaped structure, and described slide block is embedded in described slideway.
The two ends, left and right of described screw rod are equipped with screw thread, and described screw thread place cover has nut, and described evacuated panel is between the nut at two ends, described screw rod left and right.
By the vacuum bolt that technique scheme of the present utility model obtains, its beneficial effect is:
Fixing convenient, dual fixing, not easily get loose, improve fastening quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of vacuum bolt described in the utility model;
In figure, 1, screw rod; 2, evacuated panel; 3, evacuated housing; 4, vacuum chamber; 5, seal washer; 6, vacuum pumping hole; 7, shutoff; 8, nut.
Embodiment
Below in conjunction with accompanying drawing, the utility model is specifically described.
Fig. 1 is the structural representation of vacuum bolt described in the utility model, as shown in Figure 1, a kind of vacuum bolt, comprise screw rod 1, the two ends, left and right of described screw rod 1 are all provided with evacuated panel 2, evacuated housing 3, described evacuated panel 2, evacuated housing 3 forms arc vacuum chamber 4, described screw rod 1 is double layer construction, described screw rod 1 two-layer between be slidably connected, the skin of described screw rod 1 is connected with the evacuated panel 2 of left end, the internal layer of described screw rod 1 is connected with the evacuated panel 2 on right side, the double layer construction of described screw rod 1 is hollow-core construction, the hollow-core construction of described screw rod 1 runs through described evacuated panel 2 and is communicated with described vacuum chamber 4.
Be provided with seal washer 5 between described evacuated panel 2 and evacuated housing 3, described evacuated panel 2, evacuated housing 3 are all embedded in described seal washer 5.
Described evacuated housing 3 is provided with vacuum pumping hole 6, and described vacuum chamber 4 is communicated with external by vacuum pumping hole 6, and described vacuum pumping hole 6 is provided with shutoff 7.
The double-deck skin of described screw rod 1 is provided with slideway, and internal layer is provided with slide block, and described slideway, slide block are "T"-shaped structure, and described slide block is embedded in described slideway.
The two ends, left and right of described screw rod 1 are equipped with screw thread, and described screw thread place cover has nut 8, and described evacuated panel 2 is between the nut 8 at described screw rod about 1 two ends.
During installation, existing extend through in element to be tightened by screw rod 1, then install evacuated panel 2, nut 8 successively, and by nut 8 by locked for its two ends, lockedly to make, keep screw rod 1 to be in most Chang Changdu, namely two-layer screw rod 1 is opened.Then seal ring 5, evacuated housing 3 are installed, confirm airtight after, carry out vacuumizing operation, realize fixing.
Technique scheme only embodies the optimal technical scheme of technical solutions of the utility model; those skilled in the art all embody principle of the present utility model to some variations that wherein some part may be made, and belong within protection domain of the present utility model.
Claims (5)
1. a vacuum bolt, comprise screw rod (1), it is characterized in that, the two ends, left and right of described screw rod (1) are all provided with evacuated panel (2), evacuated housing (3), described evacuated panel (2), evacuated housing (3) forms arc vacuum chamber (4), described screw rod (1) is double layer construction, described screw rod (1) two-layer between be slidably connected, the skin of described screw rod (1) is connected with the evacuated panel (2) of left end, the internal layer of described screw rod (1) is connected with the evacuated panel (2) on right side, the double layer construction of described screw rod (1) is hollow-core construction, the hollow-core construction of described screw rod (1) runs through described evacuated panel (2) and is communicated with described vacuum chamber (4).
2. according to the vacuum bolt described in claim 1, it is characterized in that, be provided with seal washer (5) between described evacuated panel (2) and evacuated housing (3), described evacuated panel (2), evacuated housing (3) are all embedded in described seal washer (5).
3. according to the vacuum bolt described in claim 1, it is characterized in that, described evacuated housing (3) is provided with vacuum pumping hole (6), and described vacuum chamber (4) is communicated with external by vacuum pumping hole (6), and described vacuum pumping hole (6) is provided with shutoff (7).
4. according to the vacuum bolt described in claim 1, it is characterized in that, the double-deck skin of described screw rod (1) is provided with slideway, and internal layer is provided with slide block, and described slideway, slide block are "T"-shaped structure, and described slide block is embedded in described slideway.
5. according to the vacuum bolt described in claim 1, it is characterized in that, the two ends, left and right of described screw rod (1) are equipped with screw thread, and described screw thread place cover has nut (8), and described evacuated panel (2) is positioned between the nut (8) at described screw rod (1) two ends, left and right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520901783.0U CN205207370U (en) | 2015-11-13 | 2015-11-13 | Vacuum bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520901783.0U CN205207370U (en) | 2015-11-13 | 2015-11-13 | Vacuum bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205207370U true CN205207370U (en) | 2016-05-04 |
Family
ID=55845090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520901783.0U Expired - Fee Related CN205207370U (en) | 2015-11-13 | 2015-11-13 | Vacuum bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205207370U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109758719A (en) * | 2019-02-15 | 2019-05-17 | 山东飞尔康体育设施有限公司 | It is a kind of to climb web frame for outdoor body-building |
-
2015
- 2015-11-13 CN CN201520901783.0U patent/CN205207370U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109758719A (en) * | 2019-02-15 | 2019-05-17 | 山东飞尔康体育设施有限公司 | It is a kind of to climb web frame for outdoor body-building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20191113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |