CN102840497A - Pipe fitting connecting structure and floor lamp with pipe fitting connecting structure - Google Patents
Pipe fitting connecting structure and floor lamp with pipe fitting connecting structure Download PDFInfo
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- CN102840497A CN102840497A CN2011101685981A CN201110168598A CN102840497A CN 102840497 A CN102840497 A CN 102840497A CN 2011101685981 A CN2011101685981 A CN 2011101685981A CN 201110168598 A CN201110168598 A CN 201110168598A CN 102840497 A CN102840497 A CN 102840497A
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- pipe fitting
- internal thread
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- tenon
- groove
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Abstract
The invention discloses a pipe fitting connecting structure and a floor lamp with the pipe fitting connecting structure. The pipe fitting connecting structure comprises a first pipe fitting, a second pipe fitting and a connecting piece for connecting the first pipe fitting and the second pipe fitting; the first pipe fitting is provided with a first connecting end; a tenon and a first internal thread are formed on the first connecting end; the second pipe fitting is provided with a second connecting end; a tenon groove and a second internal thread are formed on the second connecting end; the first internal thread is identical to the second internal thread; the tenon is matched with the tenon groove; the connecting piece is provided with external threads in match with the first internal thread and the second internal thread; and after the first pipe fitting and the second pipe fitting are screwed with the connecting piece from two ends of the connecting piece respectively, the tenon is in joggle joint with the tenon groove. A connecting part of the pipe fitting connecting structure is better in flatness and tightness, compact in structure and attractive in appearance.
Description
Technical field
The present invention relates to a kind of syndeton, the floor lamp that relates in particular to a kind of pipe fitting joint structure and comprise pipe fitting joint structure.
Background technology
At present, how being connected between pipe fitting and the pipe fitting realizes with being threaded.Under nature, can there be the gap inevitably between the internal and external threads, two pipe fittings after the connection all can produce the phenomenon of dislocation at the joint face place usually.The phenomenon of this dislocation causes pipe fitting planarization and sealing not good, and the concentricity of two pipe fittings is undesirable.
And for floor lamp, for the ease of transportation and assembling, the stay pipe that is used to support lamp body is made up of the multistage pipe fitting usually, therefore, also has the not good problem of planarization and sealing.
As shown in Figure 1, the stay pipe of floor lamp is interconnected with a plurality of lower tube sections 200 by a plurality of upward pipeline sections 100 usually and forms.Last pipeline section 100 has last internal thread 110 and following internal thread 210 respectively with lower tube section 200.Connector 300 is used to connect pipeline section 100 and lower tube section 200, and connector 300 has the external screw thread 310 that can screw togather with last internal thread 110 and following internal thread 210.Last internal thread 110 is identical with following internal thread 210, and also promptly, the specification of last internal thread 110 and following internal thread 210 is all identical with parameter, is used for respectively screwing togather from the two ends up and down and the external screw thread 310 of connector 300.
Simultaneously with reference to figure 1 and Fig. 2, after last pipeline section 100 screws togather with connector 300 respectively with lower tube section 200, existence first clearance G 1 between external screw thread 310 and the last internal thread 110, thus cause pipeline section 100 with respect to connector 300 to right avertence.Have second clearance G 2 between external screw thread 310 and the following internal thread 210, thus cause lower tube section 200 with respect to connector 300 to left avertence.Thus, last pipeline section 100 and lower tube section 200 produce the phenomenon of mutual dislocation at joint face P place.
This dislocation makes that the planarization and the sealing at joint face place of pipe fitting joint structure is relatively poor.Because planarization is not good, the user is in use careless slightly, just may be hurt by the edge at joint face place.Sealing is not good then can to impact the circuit of pipe fitting inside.On the other hand, this dislocation has also reduced the exterior quality of pipe fitting product.
Summary of the invention
Because the above-mentioned defective of prior art, the floor lamp that technical problem to be solved by this invention provides a kind of planarization and good sealing performance pipe fitting joint structure and comprises pipe fitting joint structure.
For realizing above-mentioned purpose, the invention provides a kind of pipe fitting joint structure, comprise first pipe fitting; Second pipe fitting and the connector that is used to connect first pipe fitting and second pipe fitting; Said first pipe fitting has first link, and on said first link, is formed with the tenon and first internal thread, and said second pipe fitting has second link; And on said second link, be formed with the tongue-and-groove and second internal thread; Said first internal thread is identical with second internal thread, and said tenon and said tongue-and-groove are complementary, and said connector has the external screw thread that matches with said first internal thread and said second internal thread; After said first pipe fitting and said second pipe fitting screw togather from the two ends of said connector and said connector respectively, said tenon and said tongue-and-groove joggle.
In preferred embodiments of the present invention, the end face of said tenon and the bottom surface of said tongue-and-groove are all annular.
In another preferred embodiments of the present invention, said first pipe fitting and said second pipe fitting have chromium coating.
In the fit tolerance of tenon described in another preferred embodiments of the present invention and said tongue-and-groove in the scope of ± 10 μ m.
The present invention also provides a kind of floor lamp, comprises a kind of pipe fitting joint structure, and said pipe fitting joint structure comprises first pipe fitting; Second pipe fitting and the connector that is used to connect first pipe fitting and second pipe fitting; Said first pipe fitting has first link, and on said first link, is formed with the tenon and first internal thread, and said second pipe fitting has second link; And on said second link, be formed with the tongue-and-groove and second internal thread; Said first internal thread is identical with second internal thread, and said tenon and said tongue-and-groove are complementary, and said connector has the external screw thread that matches with said first internal thread and said second internal thread; After said first pipe fitting and said second pipe fitting screw togather from the two ends of said connector and said connector respectively, said tenon and said tongue-and-groove joggle.
In a preferred embodiments of the present invention, said first pipe fitting also has the 3rd link, and said the 3rd link is identical with said second link.
In another preferred embodiments of the present invention, said second pipe fitting also has the 4th link, and said the 4th link is identical with said first link.
In another preferred embodiments of the present invention, the end face of said tenon and the bottom surface of said tongue-and-groove are all annular.
In another preferred embodiments of the present invention, said first pipe fitting and said second pipe fitting have chromium coating.
In the fit tolerance of tenon described in another preferred embodiments of the present invention and said tongue-and-groove in the scope of ± 10 μ m.
In the present invention; The cooperation of the tongue-and-groove on the tenon on first pipe fitting and second pipe fitting can be eliminated the gap between the internal and external threads, makes the junction of two pipe fittings not misplace, therefore; Pipe fitting joint structure provided by the present invention and the floor lamp of using this pipe fitting joint structure have preferable planarization and sealing in the junction; Can prevent effectively that the user from hurting hand and preventing the circuit infringement that pipe fitting is inner, it is tight to have structure, the advantage of good looking appearance.
Below will combine accompanying drawing that the technique effect of design of the present invention, concrete structure and generation is described further, to understand the object of the invention, characteristic and effect fully.
Description of drawings
Fig. 1 is the view sub-anatomy of pipe fitting joint structure of the prior art.
Fig. 2 is the assembly drawing of the pipe fitting joint structure among Fig. 1.
Fig. 3 is the view sub-anatomy of the pipe fitting joint structure in the preferred embodiment of the present invention.
Fig. 4 is the upward view of first pipe fitting of the pipe fitting joint structure among Fig. 3.
Fig. 5 is the vertical view of second pipe fitting of the pipe fitting joint structure among Fig. 3.
Fig. 6 is the assembly drawing of the pipe fitting joint structure among Fig. 3.
The specific embodiment
As shown in Figure 3, the pipe fitting joint structure in the preferred embodiment of the present invention comprises first pipe fitting, 400, the second pipe fittings 500, and connector 600.
First pipe fitting 400 has first link 401, and on first link, is formed with first internal thread 410 and tenon 420.Tenon 420 is formed at the bottom of first pipe fitting 400, from the tube wall of first pipe fitting 400 along first axle direction D to extending below, and have end face 421 and outer wall 422.First internal thread 410 also is spirally extended to the end face 421 of tenon 420 along first axle direction D.
Second pipe fitting 500 has second link 501, and on second link, is formed with second internal thread 510 and tongue-and-groove 520.Second internal thread 510 is identical with first internal thread 410, and also promptly, second internal thread 510 is all identical with the specification and the parameter of first internal thread 410.Tongue-and-groove 520 is formed at the top of second pipe fitting 500, along the tube wall depression of first axle direction D to second pipe fitting 500, and has bottom surface 521 and inwall 522.
Tongue-and-groove 520 is complementary with tenon 420, and also promptly, tenon 420 is suitable for embedding in the tongue-and-groove 520, with tongue-and-groove 520 joggles.The position of tongue-and-groove 520 is corresponding with the position of tenon 420, and the shape of tongue-and-groove 520 is identical with the shape of tenon 420.Second internal thread 510 is spirally extended to the bottom surface 521 of tongue-and-groove 520 along the second axis direction D '.
With reference to figure 3, Fig. 4 and Fig. 5, in the present embodiment, tenon 420 is that hollow cylindrical is protruding simultaneously, and end face 421 is annular.Tongue-and-groove 520 is a cylindrical recess, and bottom surface 521 also is annular.
Like Fig. 3 and shown in Figure 6; After first pipe fitting 400 and second pipe fitting 500 screw togather from the two ends up and down of connector 600 and connector 600 respectively; Tenon 420 and tongue-and-groove 520 joggles; The end face 421 of tenon 420 fits respectively with inwall 522 with the bottom surface 521 of outer wall 422 with tongue-and-groove 520, and tenon 420 forms precision-fit with tongue-and-groove 520.
Under the position-limiting action of tenon 420 and tongue-and-groove 520, external screw thread 610 closely screws togather with first internal thread 410 and second internal thread 510 respectively, and no longer includes like clearance G 1 of the prior art and G2.Therefore, when first pipe fitting 400 with after second pipe fitting 500 is connected, the joint face place at the two no longer has inconsistent phenomenon.First pipe fitting 400 and second pipe fitting 500 are realized seamless link, and the planarization and the sealing of junction all significantly improve.
In practical operation, can obtain tenon 420 at a bit of public head of first link, 401 finish turnings of first pipe fitting 400.Then, second link, 501 finish turnings at second pipe fitting 500 obtain tongue-and-groove 520 with public female head that is complementary.The size of tenon 420 can decide according to the caliber of first pipe fitting 400 and the size of wall thickness, and tongue-and-groove 520 then is made for and tenon 420 precision-fit, fit tolerance can be controlled in ± 10 μ m in.After forming tenon 420 and tongue-and-groove 520, can on first link 401 and second link 501, attack internal thread, thereby form first internal thread 410 of first pipe fitting 400 and second internal thread 510 of second pipe fitting 500.Certainly, first internal thread 410 and second internal thread 510 also can be attacked system before prior to tenon 420 and tongue-and-groove 520, and the present invention does not limit this.
In other embodiments, tenon 420 also can have other shapes that are different from preferred embodiment with tongue-and-groove 520, as long as can realize eliminating basically the function of thread pitch.
Further, first pipe fitting 400 and second pipe fitting 500 can have chromium coating.Also promptly, after carrying out turning tenon 420 and tongue-and-groove 520, can carry out surface finish and the operation of electroplating bright chromium to first pipe fitting 400 and second pipe fitting 500.Therefore; In order to realize the precision-fit of tenon 420 and tongue-and-groove 520, before carrying out turning tenon 420 and tongue-and-groove 520, preferably; Should take into full account the thickness that first pipe fitting 400 and surface, second pipe fitting, 500 plating back increase, or when electroplating, carry out safeguard measure the connection mating surface.
The present invention also provides a kind of floor lamp, has aforesaid pipe fitting joint structure, so that the multistage tube connector is interconnected to stay pipe.Further, first pipe fitting 400 can have the 3rd link, and the 3rd link and first link 401 lay respectively at the two ends of first pipe fitting 400, and the 3rd link is identical with second link.Second pipe fitting 500 can have the 4th link, and the 4th link and second link 501 lay respectively at the two ends of second pipe fitting 500, and the 4th link is identical with first link.
Preferably, floor lamp can have a plurality of first pipe fittings 400 and a plurality of second pipe fittings 500.By a plurality of connectors 600, a plurality of first pipe fittings 400 can interconnect with a plurality of second pipe fittings 500 from beginning to end, are assembled into the support bar of floor lamp.
In another embodiment, the 3rd link of first pipe fitting 400 can be identical with first link 401, and the 4th link of second pipe fitting 500 can be identical with second link 501, and the present invention does not limit this.
In sum; Pipe fitting joint structure provided by the present invention and the floor lamp of using this pipe fitting joint structure have preferable planarization and sealing in the junction; Can prevent effectively that the user from hurting hand and preventing the circuit infringement that pipe fitting is inner; It is tight to have structure, the advantage of good looking appearance.
More than describe preferred embodiment of the present invention in detail.The ordinary skill that should be appreciated that this area need not creative work and just can design according to the present invention make many modifications and variation.Therefore, all technical staff in the art all should be in the determined protection domain by claims under this invention's idea on the basis of existing technology through the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (10)
1. a pipe fitting joint structure comprises first pipe fitting, second pipe fitting and the connector that is used to connect first pipe fitting and second pipe fitting; It is characterized in that; Said first pipe fitting has first link, and on said first link, is formed with the tenon and first internal thread, and said second pipe fitting has second link; And on said second link, be formed with the tongue-and-groove and second internal thread; Said first internal thread is identical with second internal thread, and said tenon and said tongue-and-groove are complementary, and said connector has the external screw thread that matches with said first internal thread and said second internal thread; After said first pipe fitting and said second pipe fitting screw togather from the two ends of said connector and said connector respectively, said tenon and said tongue-and-groove joggle..
2. pipe fitting joint structure as claimed in claim 1, the end face of wherein said tenon and the bottom surface of said tongue-and-groove are all annular.
3. pipe fitting joint structure as claimed in claim 1, wherein said first pipe fitting and said second pipe fitting have chromium coating.
4. like each the described pipe fitting joint structure in the claim 1～3, the fit tolerance of wherein said tenon and said tongue-and-groove is in the scope of ± 10 μ m.
5. a floor lamp comprises a kind of pipe fitting joint structure, and said pipe fitting joint structure comprises first pipe fitting; Second pipe fitting and the connector that is used to connect first pipe fitting and second pipe fitting is characterized in that said first pipe fitting has first link; And on said first link, be formed with the tenon and first internal thread; Said second pipe fitting has second link, and on said second link, is formed with the tongue-and-groove and second internal thread, and said first internal thread is identical with second internal thread; Said tenon and said tongue-and-groove are complementary, and said connector has the external screw thread that matches with said first internal thread and said second internal thread; After said first pipe fitting and said second pipe fitting screw togather from the two ends of said connector and said connector respectively, said tenon and said tongue-and-groove joggle.
6. floor lamp as claimed in claim 5, wherein said first pipe fitting also has the 3rd link, and said the 3rd link is identical with said second link.
7. floor lamp as claimed in claim 6, wherein said second pipe fitting also has the 4th link, and said the 4th link is identical with said first link.
8. like each the described floor lamp in the claim 5～7, the end face of wherein said tenon and the bottom surface of said tongue-and-groove are all annular.
9. floor lamp as claimed in claim 8, wherein said first pipe fitting and said second pipe fitting have chromium coating.
10. floor lamp as claimed in claim 9, the fit tolerance of wherein said tenon and said tongue-and-groove is in the scope of ± 10 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101685981A CN102840497A (en) | 2011-06-21 | 2011-06-21 | Pipe fitting connecting structure and floor lamp with pipe fitting connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101685981A CN102840497A (en) | 2011-06-21 | 2011-06-21 | Pipe fitting connecting structure and floor lamp with pipe fitting connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102840497A true CN102840497A (en) | 2012-12-26 |
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ID=47368109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101685981A Pending CN102840497A (en) | 2011-06-21 | 2011-06-21 | Pipe fitting connecting structure and floor lamp with pipe fitting connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102840497A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001011182A1 (en) * | 1999-08-10 | 2001-02-15 | Hunting Oilfield Services, Inc. | Threaded pipe connection |
| CN2463678Y (en) * | 2001-01-12 | 2001-12-05 | 惠阳市沥林元贸金属工厂 | Floorlamp connecting tube structure |
| CN201836829U (en) * | 2010-06-01 | 2011-05-18 | 惠州泰科立集团股份有限公司 | Connecting device for lamp supporting pipes |
| CN202182428U (en) * | 2011-06-21 | 2012-04-04 | 上海明凯照明有限公司 | Pipe fitting connection structure and floor lamp comprising same |
-
2011
- 2011-06-21 CN CN2011101685981A patent/CN102840497A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001011182A1 (en) * | 1999-08-10 | 2001-02-15 | Hunting Oilfield Services, Inc. | Threaded pipe connection |
| CN2463678Y (en) * | 2001-01-12 | 2001-12-05 | 惠阳市沥林元贸金属工厂 | Floorlamp connecting tube structure |
| CN201836829U (en) * | 2010-06-01 | 2011-05-18 | 惠州泰科立集团股份有限公司 | Connecting device for lamp supporting pipes |
| CN202182428U (en) * | 2011-06-21 | 2012-04-04 | 上海明凯照明有限公司 | Pipe fitting connection structure and floor lamp comprising same |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: SHANGHAI LIGHTING RESEARCH INSTITUTE CO., LTD. Effective date: 20150505 Owner name: ZHEJIANG MINGKAI LIGHTING CO., LTD. Free format text: FORMER OWNER: SHANGHAI MIKIA LIGHTING CO., LTD. Effective date: 20150505 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 201209 Shanghai city Pudong New Area Caolu town folk Road No. 258 Applicant after: Shanghai Mikia Lighting Co.,Ltd. Applicant after: Shanghai Lighting Institute Co.,Ltd. Address before: 201209 Shanghai city Pudong New Area Caolu town folk Road No. 258 Applicant before: Shanghai Mikia Lighting Co.,Ltd. Applicant before: Shanghai Lighting Institute |
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| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201209 PUDONG NEW AREA, SHANGHAI TO: 322104 JINHUA, ZHEJIANG PROVINCE Free format text: CORRECT: APPLICANT; FROM: SHANGHAI ILLUMINATING LIGHT INST. TO: SHANGHAI LIGHTING RESEARCH INSTITUTE CO., LTD. |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20150505 Address after: 322104, Jinhua City, Zhejiang province Dongyang City Industrial Development Zone, Songgang District, long road, No. 1 Pine Road Applicant after: ZHEJIANG MINGKAI LIGHTING Co.,Ltd. Address before: 201209 Shanghai city Pudong New Area Caolu town folk Road No. 258 Applicant before: Shanghai Mikia Lighting Co.,Ltd. Applicant before: Shanghai Lighting Institute Co.,Ltd. |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121226 |