CN203143297U - Protective device for internal nut threads - Google Patents
Protective device for internal nut threads Download PDFInfo
- Publication number
- CN203143297U CN203143297U CN 201220749170 CN201220749170U CN203143297U CN 203143297 U CN203143297 U CN 203143297U CN 201220749170 CN201220749170 CN 201220749170 CN 201220749170 U CN201220749170 U CN 201220749170U CN 203143297 U CN203143297 U CN 203143297U
- Authority
- CN
- China
- Prior art keywords
- nut
- knob
- distending
- rib
- tubulose skirt
- 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 - Lifetime
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Abstract
The utility model discloses a protective device for internal nut threads. The protective device for internal nut threads is mainly applied to keeping airtightness of an air conditioner and preventing dust from entering a conditioner connecting tube. A nut inner cavity of the protective device is provided with a tubular skirt sleeve, a skirt of the tubular skirt sleeve is nested at the outer end of a nut. At least two expanding plates, with one end connected to the tubular skirt sleeve and the free other end are evenly arranged the part of the tubular skirt sleeve, matched with the inner threaded cavity of the nut. A retracting groove is arranged on the inner side of the nut. The free end of each expanding plate is provided with a protrusion which can be embedded in the retracting groove. The each expanding plate is provided with a stopper. An edged shaft knob is fitted in a circular cavity of the tubular skirt sleeve, an end opening of the tubular skirt sleeve is sealed by a knob end of the edged shaft knob, and an edged shaft of the edged shaft knob is provided with expanding edges which are in axial clearance fit with the stoppers of all expanding plates. After the edged shaft knob is rotated at a certain angle, the expanding ribs on the edged shaft knob push the stoppers to enter the protrusions at the free ends of the expanding plates into the retracting groove so that the tubular skirt sleeve is sleeved on the nut.
Description
[technical field]
The utility model relates to the protective device of nut, is specifically related to air-conditioning keeps the dustproof effect of air conditioner connecting pipe after production and assembly and dismounting nut inner thread protective device.
[background technology]
At present, air-conditioning is when production and assembly and 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, the air conditioner connecting pipe external tapping need be sealed, the general manual operation plug that will prevent dust that adopts is screwed on the coupling nut, existing dustproof plug generally adopts the plastic whorl plug, this plug matches for the nut thread with air conditioner connecting pipe, manually the plastic whorl plug slowly is screwed into air conditioner connecting pipe when using, even like this, accidentally will cause the nut thread damage, influence the air-tightness of the connection pipe of air-conditioning, not have the effect that prevents dust; 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 whole cost of air-conditioning.
[utility model content]
The utility model provide a kind of simple in structure, control is convenient, air-tightness is good and have a nut inner thread protective device that prevents the dust effect.
In order to realize above-mentioned utility model purpose, the technical solution adopted in the utility model is:
The nut inner thread protective device, the nut intracavity of this device is provided with the tubulose skirt cover that has certain interval with its negative thread, the shirt rim of tubulose skirt cover is nested in the outer end of nut, tubulose skirt cover inside be the round empty cavity with the nut concentric, the tubulose skirt overlap and nut inner thread inner chamber mating part on evenly be provided with at least two ends and be connected in that the tubulose skirt puts and the other end is free-ended distending sheet; Described nut inner thread inside top is provided with a relief groove, and the free end top outer of each distending sheet is provided with the projection that can embed relief groove, and the inboard of each distending sheet is provided with the block that stretches into round empty cavity; Be combined with rib axle knob in the round empty cavity of tubulose skirt cover, the whole tubulose skirt cover of the knob end shutoff of rib axle knob port, the rib axle of rib axle knob be provided with all distending sheets on block between the distending rib that cooperates respectively of the endplay that forms, the distending rib of rib axle knob certain angle on it promotes block to be made projection on the distending sheet free end embed relief groove tubulose skirt cover sealing shroud is connected on the nut.
Aforesaid nut inner thread protective device, described nut are copper nut.
Aforesaid nut inner thread protective device, the elastic body that described tubulose skirt cover is one of the forming.
Aforesaid nut inner thread protective device, described tubulose skirt put the swivelling chute of the knob handle anglec of rotation that also is provided with control rib axle knob.
Aforesaid nut inner thread protective device, the hard moulding that described rib axle knob is one of the forming.
Aforesaid nut inner thread protective device, the rib axle top of described rib axle knob are provided with tubulose skirt cover latch and cooperate and rotatable bearing pin.
The beneficial effects of the utility model are:
Be combined with rib axle knob in the round empty cavity of the utility model tubulose skirt cover, the whole tubulose skirt cover of the knob end shutoff of rib axle knob opening, the rib axle of rib axle knob be provided with all distending sheets on block between the distending rib that cooperates respectively of the endplay that forms, the distending rib of rib axle knob certain angle on it promotes block to be made projection on the distending sheet free end embed relief groove tubulose skirt cover sealing shroud is connected on the nut; Make like this between the nut relief groove on tubulose skirt cover and the air conditioner connecting pipe and be in tightr swelling state, and tubulose skirt cover also keeps certain clearance with nut inner thread inner chamber mating part, keeping air conditioner connecting pipe to have dustproof effect simultaneously, can't damage the negative thread of nut.
Compare in the past by expansion plug and bulged tube jam-pack between the air conditioner connecting pipe place, control convenient simple and directly, effectively raise the packaging efficiency that air-conditioning is produced, reduced productive costs, and repeatedly install and connect the negative thread that can not damage nut, the dismounting connection when being convenient to remove new clothes simultaneously.
[description of drawings]
Fig. 1 is the sectional structure scheme drawing of the utility model nut;
Fig. 2 is the structural representation of looking up of the utility model nut;
Fig. 3 is the sectional structure scheme drawing of the utility model tubulose skirt cover;
Fig. 4 is the side-looking structural representation of the utility model tubulose skirt cover;
Fig. 5 is the structural representation of looking up of the utility model tubulose skirt cover;
Fig. 6 is the main TV structure scheme drawing of the utility model rib axle knob;
Fig. 7 is the side-looking structural representation of the utility model rib axle knob;
Fig. 8 is the utility model assembly relation sectional structure scheme drawing;
Fig. 9 is the sectional structure scheme drawing of pretension tubulose skirt cover not in the utility model assembly relation;
Figure 10 is the side-looking structural representation of Fig. 9;
Figure 11 is the part sectional structure scheme drawing that tubulose skirt cover is in the pretension state in the utility model assembly relation;
Figure 12 is the side-looking structural representation of Figure 10.
[specific embodiment]
The nut inner thread protective device, extremely shown in Figure 12 as Fig. 1, when being mainly used in the air-conditioning production and assembly and removing new clothes in order to keep the air-conditioning air-tightness and to prevent the air conditioner connecting pipe place that dust enters, nut 1 inner chamber of this device is provided with the tubulose skirt cover 2 that has certain interval with its negative thread, the shirt rim 20 of tubulose skirt cover 2 is nested in the outer end of nut 1, tubulose skirt cover 2 inside be the round empty cavity 21 with the nut concentric, evenly are provided with four ends on tubulose skirt cover 2 and the nut 1 negative thread inner chamber mating part and are connected in the tubulose skirt and overlap on 2 and the other end is free-ended distending sheet 22; Be provided with a relief groove 3 in nut 1 negative thread inside top, 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 22 is provided with the block 221 that stretches into round empty cavity; Be combined with rib axle knob 4 in the round empty cavity 21 of tubulose skirt cover 2, be provided with on rib axle 41 tops of rib axle knob 4 and overlap 2 latches with the tubulose skirt and cooperates also rotatable bearing pin 5; The whole tubulose skirt of knob end 40 shutoff of rib axle knob 4 overlaps 2 ports, the rib axle 41 of rib axle knob 4 be provided with all distending sheets 22 on block 221 between the distending rib 410 that cooperates respectively of the endplay that forms, extremely shown in Figure 12 as Fig. 9, when rib axle knob 4 turns an angle, distending rib 410 on the rib axle knob 4 promotes block 221 makes the projection 220 on distending sheet 22 free ends embed relief groove 3, the tubulose skirt is overlapped 2 sealing shrouds be connected on the nut 1; Like this, make between nut 1 relief groove 3 on tubulose skirt cover 2 and the air conditioner connecting pipe and be in tightr swelling state, and tubulose skirt cover 2 also keeps certain clearance with nut 1 negative thread inner chamber mating part, keeping air conditioner connecting pipe to have dustproof effect simultaneously, can't damage the negative thread of nut 1.
Wherein, described nut 1 is copper nut, tubulose skirt cover 2 elastic bodys that are one of the forming, the hard moulding that rib axle knob 4 is one of the forming.
As shown in Figure 5, also be provided with the swivelling chute 23 of knob handle 42 anglecs of rotation of control rib axle knob 4 on the tubulose skirt cover 2, knob handle 42 anglecs of rotation that concrete swivelling chute 23 limits rib axle knob 4 are 45 °, tight tension force maximum between nut 1 relief groove 3 on this moment tubulose skirt cover 2 and the air conditioner connecting pipe, the swelling effect is best.
During assembling, earlier rib axle knob 4 is put in the tubulose skirt cover 2, cooperated compact; Then, the tubulose skirt cover 2 that assembles is put in the copper nut 1, in the swivelling chute 23 of tubulose skirt cover 2, the knob handle 42 of rotation rib axle knob 4 reaches 45 °, distending rib 410 on the rib axle 41 rotates with rib axle knob 4, distending rib 410 promotes the block 221 of distending sheet 22 and makes distending sheet 22 distendings, and the projection 220 on distending sheet 22 free ends embeds in the relief groove 3, the tubulose skirt is overlapped 2 sealing shrouds be connected on the nut 1; During dismounting, only need the knob handle 42 of reverse 45 ° of rotation rib axle knobs 4, allow 4 pairs of tubulose skirts of rib axle knob overlap the cancellation of 2 application forces, thereby the projection 220 that the tubulose skirt is overlapped on 2 distending sheets, 22 free ends withdraws from, and can take out related accessory from relief groove 3.
The above embodiment for preferred embodiment of the present utility model, is not to limit practical range of the present utility model with this just, and the equivalence that all shapes according to the utility model, structure and principle are done changes, and all should be covered by in the protection domain of the present utility model.
Claims (6)
1. nut inner thread protective device is characterized in that:
The nut intracavity of this device is provided with the tubulose skirt cover that has certain interval with its negative thread, the shirt rim of tubulose skirt cover is nested in the outer end of nut, tubulose skirt cover inside be the round empty cavity with the nut concentric, the tubulose skirt overlap and nut inner thread inner chamber mating part on evenly be provided with at least two ends and be connected in that the tubulose skirt puts and the other end is free-ended distending sheet;
Described nut inner thread inside top is provided with a relief groove, and the free end top outer of each distending sheet is provided with the projection that can embed relief groove, and the inboard of each distending sheet is provided with the block that stretches into round empty cavity;
Be combined with rib axle knob in the round empty cavity of tubulose skirt cover, the whole tubulose skirt cover of the knob end shutoff of rib axle knob port, the rib axle of rib axle knob be provided with all distending sheets on block between the distending rib that cooperates respectively of the endplay that forms, the distending rib of rib axle knob certain angle on it promotes block to be made projection on the distending sheet free end embed relief groove tubulose skirt cover sealing shroud is connected on the nut.
2. nut inner thread protective device according to claim 1 is characterized in that, described nut is copper nut.
3. nut inner thread protective device according to claim 1 is characterized in that, the elastic body that described tubulose skirt cover is one of the forming.
4. nut inner thread protective device according to claim 1 is characterized in that, described tubulose skirt puts the swivelling chute of the knob handle anglec of rotation that also is provided with control rib axle knob.
5. according to claim 1 or 4 described nut inner thread protective devices, it is characterized in that the hard moulding that described rib axle knob is one of the forming.
6. according to claim 1 or 4 described nut inner thread protective devices, it is characterized in that the rib axle top of described rib axle knob is provided with tubulose skirt cover latch and cooperates and rotatable bearing pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220749170 CN203143297U (en) | 2012-12-31 | 2012-12-31 | Protective device for internal nut threads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220749170 CN203143297U (en) | 2012-12-31 | 2012-12-31 | Protective device for internal nut threads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203143297U true CN203143297U (en) | 2013-08-21 |
Family
ID=48970842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220749170 Expired - Lifetime CN203143297U (en) | 2012-12-31 | 2012-12-31 | Protective device for internal nut threads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203143297U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103029902A (en) * | 2012-12-31 | 2013-04-10 | 张如诗 | Internal thread protection device for nut |
-
2012
- 2012-12-31 CN CN 201220749170 patent/CN203143297U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103029902A (en) * | 2012-12-31 | 2013-04-10 | 张如诗 | Internal thread protection device for nut |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130821 Effective date of abandoning: 20140813 |
|
| RGAV | Abandon patent right to avoid regrant |