CN211632704U - Telescopic straw - Google Patents
Telescopic straw Download PDFInfo
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- CN211632704U CN211632704U CN201922162307.2U CN201922162307U CN211632704U CN 211632704 U CN211632704 U CN 211632704U CN 201922162307 U CN201922162307 U CN 201922162307U CN 211632704 U CN211632704 U CN 211632704U
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- pipe
- outer tube
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- bulge
- straw
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Abstract
The utility model relates to the technical field of straws, in particular to a telescopic straw, which comprises an outer tube (100), wherein the inner part of the outer tube is provided with an inner tube (200) in a telescopic way, the positions, close to ports at two ends, on the inner wall of the outer tube are respectively provided with at least one first bulge (101), the first bulges are formed by inward pressing of the outer tube, the position, close to the end part at one end, on the outer wall of the inner tube is provided with a second bulge (201), the second bulge is matched with the first bulges, and the second bulge is arranged between the first bulges at two ends of the outer tube in a sliding way; the length of the inner pipe is greater than that of the outer pipe, and one end, far away from the second protruding portion, of the inner pipe is located outside the outer pipe; the straw is a paper straw. The utility model has the characteristics of manufacturing is simple and assembly speed is very fast.
Description
Technical Field
The utility model relates to a straw technical field, in particular to flexible straw.
Background
Due to the improvement of living standard of the material, the drinking straws are extremely popular whether packaged or taken by hands on the spot, so that the number of the drinking straws consumed by the global population every day is huge. At present, most of straws are mainly plastic straws, although the volume of each plastic straw is not large, the quantity of straws accumulated and used every day is quite remarkable, and because the volume of the plastic straws is not large, even if the recycling rate and the value after recycling are not high, the straws are not easy to process, the straws can generate huge quantities of straw wastes every day, even hundreds of millions of straws, and the plastic wastes can cause harm to the environment and organisms, can also cause a large amount of marine garbage and consume a large amount of processing cost, and in addition, the straws made of plastic also have the problem that plasticizer is remained or plasticizer for sucking hot drinks is separated out, so that the straws are harmful to the health of human bodies. In order to solve the problem of the traditional plastic suction pipe, a stainless steel suction pipe or a glass suction pipe which can be reused appears on the market, but the suction pipe has high cost, can be reused only by cleaning and sterilizing, is inconvenient to carry, has low popularization rate and no commercial economic advantage, and can not replace the traditional plastic suction pipe.
In the technical field of using paper as a straw, the prior paper straw is composed of an outer tube and an inner tube, in order to ensure that the inner tube cannot be ejected out of the end part of the outer tube and separated from the outer tube when the inner tube is contracted in the outer tube, and the inner tube cannot be completely separated from the inner part of the outer tube when the inner tube extends out of the outer tube, the adopted technology is to perform proper necking on the two ends of the outer tube, a protruding part is arranged on the end part of the inner tube, the outer diameter of the inner tube at the position of the protruding part is larger than the outer diameter of the inner tube at other positions due to the arrangement of the protruding part, in a normal state, because the outer tube and the inner tube are always in a relative friction state, when the inner tube is pulled out by external force with any length, the outer tube and the inner tube can also be properly and relatively fixed under the action of the relative friction force, when the inner pipe is pushed into the deepest part of the outer pipe or pulled out of the outer pipe to the maximum extent, due to the design of the necking parts at the two ends of the outer pipe and the protruding parts on the outer wall of the inner pipe, the inner pipe can only slide back and forth in the limited space inside the outer pipe, and the end parts of the inner pipe where the protruding parts are located can never be separated from the outer pipe, although the inner pipe can be effectively prevented from being separated from the outer pipe through the design, the paper suction pipe is formed by bending and connecting the left side and the right side of paper, if the necking parts are formed at the two ends of the outer pipe in the forming mode, the whole manufacturing process is complex, the requirement of process parameters at the necking parts is also involved, and the necking parts are properly shrunk and are controlled; in addition, the problem of assembling the outer pipe and the inner pipe is also involved, and because the pipe orifices at the two ends of the outer pipe are all subjected to necking treatment, and the outer wall of the inner pipe is provided with the bulge part, the inner pipe is difficult to assemble into the outer pipe, so that the assembling speed between the outer pipe and the inner pipe is very low.
Therefore, the prior paper straw has the problem of troublesome processing and manufacturing.
SUMMERY OF THE UTILITY MODEL
The utility model provides a telescopic straw which is simple to process and manufacture, aiming at solving the technical problem of the prior paper straw.
The technical scheme of the utility model: a telescopic straw comprises an outer pipe, wherein an inner pipe is arranged inside the outer pipe in a telescopic mode, at least one first protruding portion is arranged on the inner wall of the outer pipe and is close to ports at two ends, the first protruding portions are formed by pressing the outer pipe inwards, a second protruding portion is arranged on the outer wall of the inner pipe and is close to one end portion, the second protruding portion is matched with the first protruding portions, and the second protruding portion is arranged between the first protruding portions at two ends of the outer pipe in a sliding mode; the length of the inner pipe is greater than that of the outer pipe, and one end, far away from the second protruding portion, of the inner pipe is located outside the outer pipe; the straw is a paper straw. The utility model discloses a position that is close to both ends port sets up at least one first bellying respectively on the inner wall of outer tube to set up first bellying and replace the throat design among the prior art, first bellying is more throat, the setting accuracy can not require very much, the manufacturing degree of difficulty can not be very big yet, first bellying is on the outer tube that the paper was made after curling, its formation mode can be before outer tube and inner tube assembly, also can be after outer tube and inner tube assembly, use annular pressing tool to exert pressure for the position that is close to both ends on the outer wall of outer tube, the outer wall of outer tube is compressed, the body is the inward deformation naturally, the part that inwards deforms will form first bellying, first formation mode is before inner tube and outer tube assembly, exert pressure on the outer tube and form first bellying, then carry out the assembly of outer tube and inner tube, the second formation mode is after inner tube and outer tube assembly, the first bulge is formed on the outer tube in a pressing mode, and the first bulge is formed conveniently no matter which type of forming mode is used, so that the whole outer tube is convenient to process and manufacture.
Preferably, an end surface of the inner tube at an end away from the second protruding part is an inclined plane. The range of the inclination angle of the inclined plane is large, the selection range is 0-80 degrees, and the selection is good according to the preference, for example, the inclination angle of the inclined plane is 30 degrees, 45 degrees or 60 degrees. The end part of the inner tube is designed to be an inclined plane, so that the inner tube can rapidly puncture a sealing cover on a bottle or a box after being stretched out, and the inner tube is inserted into the bottle or the box to suck liquid food.
Preferably, the first boss is an annular boss. The first bellying of here forms after by annular fixture centre gripping outer tube outer wall, the outer tube outer wall receives the centre gripping after, because self is made by paper, so the outer tube can take place natural inward deformation in centre gripping atress department, form a protrusion in the annular bellying of outer tube internal face, the annular bellying of annular bellying can match with the second bellying of inner tube tip, it is comparatively even to block the effort to the restriction of second bellying, the inside that the outer tube was deviate from to the second bellying that prevents that can be better.
Preferably, the second boss is an annular boss. The second protruding part can be formed by winding a plurality of layers of paper on the outer wall of the inner pipe, or can be an annular convex ridge formed on the outer wall of the inner pipe after being processed on the outer wall of the inner pipe by using other tools, or can be an annular paper part which is stuck on the outer wall of the inner pipe by using glue and stuck on the outer wall of the inner pipe to form good matching with the first protruding part, or to form friction with the inner wall of the outer pipe better.
Preferably, the diameter of the second boss is smaller than the inner diameter of the outer tube, and the diameter of the second boss is larger than the diameter of the first boss. The diameter of the second bulge is smaller than the inner diameter of the outer pipe, so that the inner pipe can be smoothly connected to the inside of the outer pipe from the port of the outer pipe during installation; the diameter of the second bulge is larger than that of the first bulge, so that the first bulges at two ends in the outer tube limit the second bulge, the second bulge can only move between the two first bulges, and the second bulge is prevented from being separated from the inner part of the outer tube; the utility model discloses in because the internal diameter of outer tube mouth of pipe department, with the inside pipe diameter of other places except first bellying of outer tube body all the same, the diameter of second bellying is greater than the external diameter of inner tube and is less than the internal diameter of outer tube, when the inner tube will follow the installation of the outer tube mouth of pipe and get into the outer tube, the butt joint that the tip of inner tube and the tip of outer tube also can be better for the inner tube can be quick install in the outer tube, make the quick assembly of whole straw accomplish.
Preferably, the number of the first protruding parts close to the end ports at the two ends on the inner wall of the outer pipe is 1-10. The two ends in the outer tube are respectively provided with only one first bulge; two first convex parts can be arranged at two ends in the outer tube; there may be more first bosses at both ends within the outer tube; there may be one first boss at one end within the outer tube and two or more first bosses at the other end; the two ends in the outer tube are provided with a plurality of first convex parts with different numbers; in a word, the number of the first protruding parts at the two ends of the inner wall of the outer pipe can be flexibly arranged according to requirements.
The utility model discloses following beneficial effect has:
the inner wall of the outer pipe is respectively provided with at least one first bulge part close to the end ports at two ends to replace the necking design in the prior art, the first bulge parts are relatively necking, the setting precision requirement is not high, the processing and manufacturing difficulty is not high, the first bulge parts are arranged on the outer pipe which is made after paper is curled, the forming mode of the first bulge parts can be that before the outer pipe and the inner pipe are assembled or after the outer pipe and the inner pipe are assembled, an annular pressing tool is used for pressing the positions, close to the two ends, on the outer wall of the outer pipe, the outer wall of the outer pipe is pressed, the pipe body naturally deforms inwards, the first bulge parts are formed on the inwards deformed parts, the first forming mode is that before the inner pipe and the outer pipe are assembled, the first bulge parts are formed on the outer pipe by pressing, then the outer pipe and the inner pipe are assembled, and the second forming mode is that after the inner pipe and the outer pipe are assembled, the first bulge is formed on the outer tube in a pressing mode, and the first bulge is formed conveniently no matter which type of forming mode is used, so that the whole outer tube is convenient to process and manufacture.
Drawings
FIG. 1 is a schematic view of a first embodiment of the present invention with the inner tube fully retracted within the outer tube;
FIG. 2 is a schematic view of the inner tube of the present invention when fully extended relative to the outer tube;
FIG. 3 is an enlarged sectional view taken at A in FIG. 1;
FIG. 4 is an enlarged sectional view taken at B in FIG. 2;
FIG. 5 is a schematic view of the second embodiment of the present invention with the inner tube fully retracted within the outer tube;
FIG. 6 is a schematic view of a third construction of the present invention with the inner tube fully retracted within the outer tube;
fig. 7 is a schematic view of a fourth structure of the present invention, in which the inner tube is completely retracted inside the outer tube.
The labels in the figures are: 100-outer tube, 101-first boss, 200-inner tube, 201-second boss.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
The telescopic straw as shown in fig. 1, 5, 6 and 7 comprises an outer tube 100 as shown in fig. 2, wherein an inner tube 200 is telescopically arranged inside the outer tube, at least one first protruding part 101 as shown in fig. 3 is arranged on the inner wall of the outer tube close to the ports at two ends, the first protruding part is formed by pressing the outer tube inwards, the outer wall surface of the outer tube is clamped by an annular clamping tool, the outer tube naturally deforms under the action of annular clamping force to form an annular first protruding part which is recessed inwards, the forming is convenient, wherein the clamping position of the outer wall of the outer tube can be coated with different colors, one is beautiful, and the other is used for showing the position and the number of the first protruding part, so that a user can see clearly; a second bulge 201 shown in fig. 4 is arranged on the outer wall of the inner pipe at a position close to one end part, the second bulge is matched with the first bulge, and the second bulge is arranged between the first bulges at two ends of the outer pipe in a sliding manner; the length of the inner pipe is greater than that of the outer pipe, and one end of the inner pipe, which is far away from the second protruding part, is positioned outside the outer pipe, so that when the straw needs to be stretched in use, a user can quickly contact the inner pipe to apply force to the inner pipe, and the inner pipe is pulled out of or pushed into the outer pipe; the straw is made of paper, and is green and environment-friendly compared with a straw made of plastic; compared with steel straws and glass straws, the straw has the advantages of convenient processing and manufacturing and low cost. The end face of one end of the inner pipe, which is far away from the second bulge part, is an inclined plane. The first boss is an annular boss. The second boss is an annular boss. The diameter of the second boss is smaller than the inner diameter of the outer tube, and the diameter of the second boss is larger than that of the first boss. The number of the first protruding parts close to the port positions at the two ends on the inner wall of the outer pipe is 1-10.
The utility model discloses a theory of operation does:
curling paper from corners, properly sticking the curled part by using glue to form a preliminary shape of the outer pipe 100 and the inner pipe 200, cutting two ends of the outer pipe to be flat by using a cutter, and clamping the positions, close to the two ends, on the outer wall of the outer pipe by using an annular clamping tool to form annular first protruding parts 101 on the outer pipe, wherein when a plurality of first protruding parts are arranged at the same end, the distance between adjacent first protruding parts in the plurality of first protruding parts can be properly set according to requirements, for example, the distance between two adjacent first protruding parts can be set to be 3-5 mm, if three or more first protruding parts are arranged at the same end, the distance between the adjacent first protruding parts is preferably the same, and an annular clamping tool with a coloring function can be used, so when the annular clamping tool is used for forming the first protruding parts on the outer pipe, an annular color ring is formed at the first bulge part of the outer wall of the outer tube, and the color can be flexibly set according to the preference, so that a color pattern is formed on the outer wall of the outer tube, the straw is more attractive, and the number of the first bulge parts can be expressed; one end of the inner tube is cut into a plane by a cutter, the other end of the inner tube is cut into an inclined plane, the inclined angle of the inclined plane can be 60 degrees, a paper strip is wound at a position close to the horizontal plane end of the inner tube, and simultaneously glue is used for bonding to form a second bulge 201 on the inner tube, because the diameter of the second bulge is smaller than the inner diameter of the outer tube and the tube opening thereof and is larger than the diameter of the first bulge, when the second bulge is assembled in the straw, the end of the inner tube where the second bulge is located can be conveniently butted with the end opening of the outer tube, so that the inner tube is pushed into the outer tube, when the second bulge touches the first bulge, only a little force is needed to be used, the second bulge and the first bulge can naturally deform, the second bulge can enter the inner tube and is completely located between the two first bulges at the two ends of the outer tube, after the second bellying got into the outer tube, deformation was resumeed naturally again to first bellying, realized the restriction to the second bellying, when using and need be elongated the inner tube, as long as external force does not exceed the elasticity restriction effort of first bellying to the second bellying, and the restriction that first bellying will not struggle to leave will be given up to the second bellying.
After the straw is manufactured, the inner tube 100 is in a contracted state in the outer tube 200, when the straw is used, a user can easily slide and draw out the inner tube from the outer tube, and the second protrusion 201 and the inner wall of the outer tube are always in a friction state, so that no matter how long the inner tube is drawn out from the outer tube, the inner tube and the outer tube are kept in a relatively static state after the external force is removed, and the inner tube cannot slide relative to the outer tube.
Claims (6)
1. A telescopic straw is characterized in that: the telescopic pipe joint comprises an outer pipe (100), wherein an inner pipe (200) is arranged inside the outer pipe in a telescopic mode, at least one first protruding portion (101) is arranged on the inner wall of the outer pipe and close to ports at two ends, the first protruding portion is formed by pressing the outer pipe inwards, a second protruding portion (201) is arranged on the outer wall of the inner pipe and close to one end portion, the second protruding portion is matched with the first protruding portion, and the second protruding portion is arranged between the first protruding portions at two ends of the outer pipe in a sliding mode; the length of the inner pipe is greater than that of the outer pipe, and one end, far away from the second protruding portion, of the inner pipe is located outside the outer pipe; the straw is a paper straw.
2. The telescopic pipette as set forth in claim 1, wherein: the end face of one end, far away from the second bulge, of the inner pipe is an inclined plane.
3. The telescopic pipette as set forth in claim 1, wherein: the first boss is an annular boss.
4. A telescoping straw as claimed in claim 3, wherein: the second boss is an annular boss.
5. The telescopic pipette as set forth in claim 4, wherein: the diameter of the second boss is smaller than the inner diameter of the outer tube, and the diameter of the second boss is larger than that of the first boss.
6. The telescopic pipette as set forth in claim 1, wherein: the number of the first protruding parts close to the port positions at the two ends on the inner wall of the outer pipe is 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922162307.2U CN211632704U (en) | 2019-12-05 | 2019-12-05 | Telescopic straw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922162307.2U CN211632704U (en) | 2019-12-05 | 2019-12-05 | Telescopic straw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211632704U true CN211632704U (en) | 2020-10-09 |
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ID=72694676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922162307.2U Active CN211632704U (en) | 2019-12-05 | 2019-12-05 | Telescopic straw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211632704U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021219718A1 (en) * | 2020-04-28 | 2021-11-04 | International Tobacco Machinery Poland Sp. Z O.O. | Telescopic paper drinking straw |
| EP4000474A1 (en) * | 2020-11-13 | 2022-05-25 | International Tobacco Machinery Poland SP. Z O.O. | Telescopic drinking straw |
-
2019
- 2019-12-05 CN CN201922162307.2U patent/CN211632704U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021219718A1 (en) * | 2020-04-28 | 2021-11-04 | International Tobacco Machinery Poland Sp. Z O.O. | Telescopic paper drinking straw |
| EP4000474A1 (en) * | 2020-11-13 | 2022-05-25 | International Tobacco Machinery Poland SP. Z O.O. | Telescopic drinking straw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221013 Address after: No. 19 Dingjiabang, Chengxi Village, Wuyuan Town, Haiyan County, Jiaxing City, Zhejiang Province 314395 Patentee after: Ding Wenliang Address before: 314300 Building 1, standard industrial city, Wuyuan Street Development Zone, Haiyan County, Jiaxing City, Zhejiang Province Patentee before: Jiaxing takeaway tableware Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221103 Address after: 314395 Building 1, Standard Industrial City, Development Zone, Wuyuan Street, Haiyan County, Jiaxing City, Zhejiang Province Patentee after: Jiaxing takeaway tableware Technology Co.,Ltd. Address before: No. 19 Dingjiabang, Chengxi Village, Wuyuan Town, Haiyan County, Jiaxing City, Zhejiang Province 314395 Patentee before: Ding Wenliang |
|
| TR01 | Transfer of patent right |