CN203306428U - Nut internal thread blocking protective device - Google Patents
Nut internal thread blocking protective device Download PDFInfo
- Publication number
- CN203306428U CN203306428U CN2013202496464U CN201320249646U CN203306428U CN 203306428 U CN203306428 U CN 203306428U CN 2013202496464 U CN2013202496464 U CN 2013202496464U CN 201320249646 U CN201320249646 U CN 201320249646U CN 203306428 U CN203306428 U CN 203306428U
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- CN
- China
- Prior art keywords
- nut
- skirt cover
- distending
- protective device
- sheet
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- 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 discloses a nut internal thread blocking protective device. The device is provided with a tubular skirt sleeve, wherein the tubular skirt sleeve extends into an inner cavity of a nut, and a gap exists between the tubular skirt sleeve and internal threads of the nut; one end of the tubular skirt sleeve is provided with an outward-extending skirt rim, the skirt rim is connected to the outer end portion of the nut in a pressed mode, and an inner cavity of the tubular skirt sleeve is concentric with the nut; a plurality of openings are formed in one end, away from the skirt rim, of the tubular skirt sleeve to form at least two expansion sheets with free ends; a convex block is arranged on the outer side of the top of the free end of each expansion sheet, the convex blocks can be embedded into a relief groove formed in the inner side of the top of the internal threads of the nut, and a protrusion protruding out of the inner surface of each expansion sheet is arranged on the inner side of the expansion sheet; a T-shaped plug is arranged in the inner cavity of the tubular skirt sleeve in a matched mode, an end port of the whole tubular skirt sleeve is plugged by an end cap of the T-shaped plug, a plug shaft of the T-shaped plug is inserted into the inner cavity of the tubular skirt sleeve to push the protrusions to enable the convex blocks at the free ends of the expansion sheets to be embedded into the relief groove, and therefore the tubular skirt sleeve can be connected to the nut in a sleeved mode.
Description
[technical field]
The utility model relates to the protective device of nut, is specifically related to air-conditioning and after production and assembly, installation process and dismounting, keeps the nut inner thread of air conditioner connecting pipe dust-proof effect to stop up protective device.
[background technology]
At present, air-conditioning is in production and assembly, installation process and when removing new clothes, for the air-tightness of the connection pipe that keeps air-conditioning with prevent that dust from entering air conditioner connecting pipe, need to be by the sealing of air conditioner connecting pipe external tapping, generally adopt the manual operation plug that will prevent dust to be screwed on the coupling nut.As existing dustproof plug is first, adopt the plastic whorl plug, the plastic whorl of this plug and the nut thread of air conditioner connecting pipe match.When using, manually the plastic whorl plug slowly is screwed into to air conditioner connecting pipe, even like this, accidentally will cause the nut thread damage, simultaneously, in process due to the screw thread of Plastic cap and the engagement of copper nut thread, the plastics bits can be produced, air conditioner connecting pipe can be polluted.In addition, this plastic whorl plug is more time-consuming manually-operated the time, thereby reduces production efficiency during operating cost, increases artificial productive costs, increases the air-conditioning holistic cost.
[utility model content]
It is a kind of simple in structure, easy for installation that the utility model provides, and has the nut inner thread that prevents the dust effect and stop up protective device.
To achieve these goals, the technical solution adopted in the utility model is:
Nut inner thread stops up protective device, this device is provided with and extends nut intracavity and have the tubulose skirt cover of certain interval with nut inner thread, one end of tubulose skirt cover is provided with outward extending shirt rim, and described shirt rim is crimped on the outer end of nut, inner chamber and the nut concentric of tubulose skirt cover; At tubulose skirt cover, offer a plurality of openings away from an end of shirt rim, form at least two and have free-ended distending sheet; The free end top outer of each distending sheet is provided with the projection of the relief groove that can embed described nut inner thread inside top setting, and the inboard of each distending sheet is provided with the projection that protrudes from the distending plate inner surface; The inner chamber of tubulose skirt cover is combined with "T"-shaped obstruction, the port of the whole tubulose skirt cover of the end cap shutoff of "T"-shaped obstruction, the described projection of the interior promotion of inner chamber that the plug axle of "T"-shaped obstruction inserts tubulose skirt cover makes the projection on distending sheet free end embed relief groove, and tubulose skirt cover is socketed on nut.
Preferably, described nut is copper nut.
Preferably, the elastic body that is one of the forming of described tubulose skirt cover.
Preferably, the projection downside of each distending sheet inboard also is provided with the block that protrudes from the distending plate inner surface, and the plug axle of described "T"-shaped obstruction is provided with annular groove.When this protective device was in non-working condition, described annular groove coordinated with described projection; When this protective device was in the use state, described annular groove coordinated with described block and prevents that "T"-shaped obstruction from putting and coming off from the tubulose skirt.
Preferably, the hard moulding that is one of the forming of described "T"-shaped obstruction.
Preferably, also be provided with the open pore is communicated with nut intracavity on the shirt rim of described tubulose skirt cover, be convenient to air conditioner connecting pipe that nut is connected in the gas discharge.
The beneficial effects of the utility model are:
The "T"-shaped obstruction composition protective device that the utility model coordinates by tubulose skirt cover and with the inner chamber of tubulose skirt cover, after being arranged on nut, by "T"-shaped obstruction, insert the depth position difference of tubulose skirt cover, reach in the projection inserted num relief groove made on distending sheet free end that the tubulose skirt puts or exit the nut relief groove.Complete described protective device is arranged in nut and plays the protection nut inner thread; or remove assembling and the new clothes that this protective device is convenient to air conditioner connecting pipe; reach in assembling, prevent that dust etc. from entering the effect of air conditioner connecting pipe in transportation; simultaneously; because tubulose skirt cover also retains certain gap with nut inner thread inner chamber mating part, can't damage the negative thread of nut.
Compare screw plug in the past, effectively raise the packaging efficiency of production, reduced productive costs, and repeatedly install to connect and can not damage the negative thread of nut, the dismounting while being convenient to remove new clothes simultaneously connects.
[accompanying drawing explanation]
Fig. 1 is the blast structural representation of the utility model half-sectioned state;
Fig. 2 is that the utility model is arranged on nut but sectional structure schematic diagram while also not being completely fixed in the nut state;
Fig. 3 be the utility model tubulose skirt cover partly cut open perspective view.
[specific embodiment]
Nut inner thread stops up protective device, as shown in Figure 1 to Figure 3, this device is provided with extensiblely has the tubulose skirt cover 2 of certain interval in nut 1 inner chamber and with nut inner thread, one end of tubulose skirt cover 2 is provided with outward extending shirt rim 20, when described protective device is arranged on nut 1, described shirt rim 20 is crimped on the outer end of nut 1, inner chamber and nut 1 concentric of tubulose skirt cover 2; At tubulose skirt cover 2 ends away from shirt rim 20, offer a plurality of openings 21, form 4 and have free-ended distending sheet 22; In nut 1 negative thread inside top, be provided with a relief groove 3, the free end top outer of each distending sheet 22 is provided with the projection 220 that can embed relief groove 3, and the inboard of each distending sheet 220 is provided with the projection 221 that protrudes from distending sheet 22 inside faces; The inner chamber of tubulose skirt cover 2 is combined with "T"-shaped obstruction 4, the port of the whole tubulose skirt cover 2 of end cap 40 shutoff of "T"-shaped obstruction 4, the described projection 221 of the interior promotion of inner chamber that the plug axle 41 of "T"-shaped obstruction 4 inserts tubulose skirt cover 2 makes the projection 220 on distending sheet 22 free ends embed relief grooves 3, and tubulose skirt cover 2 is socketed on nut 1.
Continue as shown in Figure 1 to Figure 3, projection 221 downsides in each distending sheet 22 inboard also are provided with the block 222 that protrudes from distending sheet 22 inside faces, and the plug axle 41 of "T"-shaped obstruction 4 is provided with annular groove 410.When this protective device is in non-working condition (while not being installed on nut), described annular groove 410 coordinates with the projection 221 on distending sheet 22; When this protective device was in the use state, described annular groove 410 coordinated with block 222 on distending sheet 22 and prevents that "T"-shaped obstruction 4 from coming off from tubulose skirt cover 1.
Wherein, tubulose skirt cover 2 elastic bodys that are one of the forming, the hard moulding that "T"-shaped obstruction 4 is one of the forming.On the shirt rim 20 of tubulose skirt cover 2, also be provided with the open pore 200 be communicated with nut 1 inner chamber, the gas of being convenient in the air conditioner connecting pipe be connected with nut 1 is discharged.
After production, when this protective device is in non-working condition, in the insertion tubulose skirt of "T"-shaped obstruction cover 2 inner chambers, makes between "T"-shaped obstruction 4 and tubulose skirt cover 1 and have certain pre-connection; Now, the annular groove 410 on "T"-shaped obstruction 4 plug axles 41 coordinates with the projection 221 on distending sheet 22.During use, first protective device is filled in the nut 1 at air conditioner connecting pipe place; Then, the inner chamber depths of the plug axle of "T"-shaped obstruction 4 41 toward tubulose skirt cover 2 advanced, make the projection 221 on distending sheet 22 break away from annular groove 410 on plug axle 41, thereby utilize plug axle 41 outer peripheral faces to promote the projection 221 on distending sheet 22, make the projection 220 on distending sheet 22 free ends embed relief groove 3, port and the shirt rim 20 thereof of the whole tubulose skirt cover 2 of end cap 40 shutoff of "T"-shaped obstruction 4.
The above embodiment just, for preferred embodiment of the present utility model, not limits practical range of the present utility model with this, and the equivalence that all shapes according to the utility model, structure and principle are done changes, and all should be covered by protection domain of the present utility model.
Claims (6)
1. nut inner thread stops up protective device, it is characterized in that:
This device is provided with and extends nut intracavity and have the tubulose skirt cover of certain interval with nut inner thread, and an end of tubulose skirt cover is provided with outward extending shirt rim, and described shirt rim is crimped on the outer end of nut, inner chamber and the nut concentric of tubulose skirt cover;
At tubulose skirt cover, offer a plurality of openings away from an end of shirt rim, form at least two and have free-ended distending sheet;
The free end top outer of each distending sheet is provided with the projection of the relief groove that can embed described nut inner thread inside top setting, and the inboard of each distending sheet is provided with the projection that protrudes from the distending plate inner surface;
The inner chamber of tubulose skirt cover is combined with "T"-shaped obstruction, the port of the whole tubulose skirt cover of the end cap shutoff of "T"-shaped obstruction, the described projection of the interior promotion of inner chamber that the plug axle of "T"-shaped obstruction inserts tubulose skirt cover makes the projection on distending sheet free end embed relief groove, and tubulose skirt cover is socketed on nut.
2. nut inner thread according to claim 1 stops up protective device, it is characterized in that, described nut is copper nut.
3. nut inner thread according to claim 1 stops up protective device, it is characterized in that the elastic body that described tubulose skirt cover is one of the forming.
4. nut inner thread according to claim 1 stops up protective device, it is characterized in that, the projection downside of each distending sheet inboard also is provided with the block that protrudes from the distending plate inner surface, and the plug axle of described "T"-shaped obstruction is provided with annular groove.
5. according to the described nut inner thread of claim 1 or 4, stop up protective device, it is characterized in that the hard moulding that described "T"-shaped obstruction is one of the forming.
6. according to the described nut inner thread of claim 1 or 4, stop up protective device, it is characterized in that, also be provided with the open pore be communicated with nut intracavity on the shirt rim of described tubulose skirt cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202496464U CN203306428U (en) | 2013-05-09 | 2013-05-09 | Nut internal thread blocking protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202496464U CN203306428U (en) | 2013-05-09 | 2013-05-09 | Nut internal thread blocking protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203306428U true CN203306428U (en) | 2013-11-27 |
Family
ID=49612653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202496464U Expired - Fee Related CN203306428U (en) | 2013-05-09 | 2013-05-09 | Nut internal thread blocking protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203306428U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111977171A (en) * | 2020-07-20 | 2020-11-24 | 上海空间推进研究所 | Spherical screwed joint component protection device of spacecraft |
-
2013
- 2013-05-09 CN CN2013202496464U patent/CN203306428U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111977171A (en) * | 2020-07-20 | 2020-11-24 | 上海空间推进研究所 | Spherical screwed joint component protection device of spacecraft |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 |