CN214711934U - Bendable ball joint structure for folding suction pipe - Google Patents

Abstract

The utility model relates to a bulb joint structure for being rolled over on folding straw, including last body, connecting pipe, lower body, go up the rubber ring, rubber ring and flexible pipe down, the connecting pipe is installed in last body bottom, the bottom at the connecting pipe is installed to lower body, the both ends inner wall of connecting pipe all is equipped with spherical groove, the bottom of going up the body is equipped with first bulb, the top of body is equipped with the second bulb down, the spherical inslot that corresponds is installed to second bulb and first bulb, the lateral wall of first bulb is equipped with first mounting groove, it installs in first mounting groove to go up the rubber ring, the lateral wall of second bulb is equipped with the second mounting groove, the rubber ring is installed in the second mounting groove down, flexible pipe installation is in the bottom of body down, and this bulb joint structure that is used for being rolled over on the folding straw includes the body.

Description

Bendable ball joint structure for folding suction pipe

Technical Field

The utility model relates to a straw technical field especially relates to a bulb joint structure that is used for folding and is bent on straw.

Background

The main benefit of straw drinking water is that be difficult to choke into the pipe, and the straw is usually thin for when eating, can restrict the speed of drinking water, can not lead to liquid to be detained in a large amount in the oral cavity, thereby avoid taking place the risk of chocking and coughing, current straight tube-shape straw can not buckle, and the result of use is relatively poor, and is bulky.

Therefore, there is a need to provide a new ball joint structure for folding a straw to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a ball joint structure for folding the straw and being capable of being bent.

The utility model provides a pair of a bulb joint structure for rolling over can bend on receipts straw, including last body, connecting pipe, lower body, go up the rubber ring, rubber ring and flexible pipe down, the connecting pipe is installed in last body bottom, the bottom at the connecting pipe is installed to lower body, the both ends inner wall of connecting pipe all is equipped with spherical groove, the bottom of going up the body is equipped with first bulb, the top of body is equipped with the second bulb down, the spherical inslot that corresponds is installed to second bulb and first bulb, the lateral wall of first bulb is equipped with first mounting groove, it installs in first mounting groove to go up the rubber ring, the lateral wall of second bulb is equipped with the second mounting groove, the rubber ring is installed in the second mounting groove down, flexible pipe installation is in the bottom of body down.

Preferably, flexible pipe is including installing the first extension pipe in body bottom under and installing the second extension pipe in first extension socle end, the top of first extension pipe and second extension pipe all is fixed with fixed pipe, the rubber sleeve has been cup jointed in the outside of fixed pipe, the lateral wall symmetry of rubber sleeve is equipped with the annular arch, the inner wall of body and the bottom inner wall of first extension pipe all are equipped with the spacing groove with the protruding looks joint of annular under.

Preferably, the top side walls of the first extension pipe and the second extension pipe are provided with limit convex parts, and the bottom end of the lower pipe body and the bottom ends of the first extension pipe and the second extension pipe are inclined inwards.

Preferably, the top end of the upper pipe body is provided with a fillet.

Preferably, the inner diameters of the upper pipe body and the lower pipe body are larger than the outer diameter of the first extension pipe.

Compared with the prior art, the utility model provides a bulb joint structure for folding can bend on straw has following beneficial effect:

through the cooperation of first bulb and second bulb and spherical groove, make the body and realize the buckling of certain angle with body down, through the setting of last rubber ring and rubber ring down, make the connecting pipe better with body and body coupling's leakproofness down, avoid the weeping, excellent in use effect, through the setting of flexible pipe, it is longer to make whole straw, when not using, the body, connecting pipe and the internal portion of body down can be accomodate to first extension pipe and second extension pipe, reduce the volume.

Drawings

Fig. 1 is an exploded view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the connecting pipe of the present invention;

fig. 3 is a schematic structural view of a first extension pipe of the present invention;

fig. 4 is a schematic structural view of the fixing tube of the present invention.

Reference numbers in the figures: 1. a pipe body is arranged; 11. a first ball section; 111. a first mounting groove; 12. rounding off; 2. a connecting pipe; 21. a spherical groove; 3. a lower pipe body; 31. a second ball section; 311. a second mounting groove 4 is provided with a rubber ring; 5. a rubber ring is arranged; 6. a telescopic pipe; 61. a first extension pipe; 62. a second extension pipe; 63. a fixed tube; 64. a rubber sleeve; 641. an annular projection; 7. a limiting groove; 8. a limit convex part.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

Referring to fig. 1 to 4, a foldable ball joint structure for a foldable straw according to an embodiment of the present invention includes an upper tube body 1, a connecting tube 2, a lower tube body 3, an upper rubber ring 4, a lower rubber ring 5 and a telescopic tube 6, the connecting tube 2 is installed at the bottom end of the upper tube body 1, the lower tube body 3 is installed at the bottom end of the connecting tube 2, the inner walls of both ends of the connecting tube 2 are respectively provided with a spherical groove 21, the bottom end of the upper tube body 1 is provided with a first ball portion 11, the top end of the lower tube body 3 is provided with a second ball portion 31, the side wall of the first ball portion 11 is provided with a first mounting groove 111, the upper rubber ring 4 is installed in the first mounting groove 111, the side wall of the second ball portion 31 is provided with a second mounting groove 311, the lower rubber ring 5 is installed in the second mounting groove 311, the telescopic tube 6 is installed at the bottom end of the lower tube body 3, the telescopic tube 6 is arranged, so that the whole straw can be contracted, the volume is reduced, and the straw is convenient to carry.

The telescopic pipe 6 comprises a first extension pipe 61 arranged at the bottom end of the lower pipe body 3 and a second extension pipe 62 arranged at the bottom end of the first extension pipe 61, the top ends of the first extension pipe 61 and the second extension pipe 62 are respectively fixed with a fixed pipe 63, the outer side of the fixed pipe 63 is sleeved with a rubber sleeve 64, the side wall of the rubber sleeve 64 is symmetrically provided with an annular protrusion 641, and the inner wall of the lower pipe body 3 and the inner wall of the bottom end of the first extension pipe 61 are respectively provided with a limit groove 7 clamped with the annular protrusion 641.

The top side wall of first extension pipe 61 and second extension pipe 62 all is equipped with spacing convex part 8, the bottom of body 3, the bottom of first extension pipe 61 and second extension pipe 62 all inwards inclines down, carries on spacingly through spacing convex part 8 to first extension pipe 61 and second extension pipe 62.

The top end of the upper tube body 1 is provided with a fillet 12 to prevent cutting.

The inner diameters of the upper pipe body 1 and the lower pipe body 3 are larger than the outer diameter of the first extension pipe 61, so that the second extension pipe 62 and the first extension pipe 61 are conveniently accommodated in the upper pipe body 1 and the lower pipe body 3.

The utility model provides a work principle that is used for rolling over the bulb joint structure that can bend on the straw as follows: the upper pipe body 1 and the lower pipe body 3 are bent at a certain angle through the matching of the first ball part 11 and the second ball part 31 with the spherical groove 21, the sealing performance of the connecting pipe 2, the lower pipe body 3 and the upper pipe body 1 is better through the arrangement of the upper rubber ring 4 and the lower rubber ring 5, liquid leakage is avoided, the bottom end of the first extension pipe 61 is inwards inclined through the arrangement of the limiting convex part 8 and the bottom end of the lower pipe body 3, the limiting is realized through mutual matching, when the limiting convex part 8 at the top end of the first extension pipe 61 is contacted with the bottom end of the lower pipe body 3, the annular bulge 641 on the rubber sleeve 64 at the top end of the first extension pipe 61 is just positioned in the limiting groove 7 on the inner wall of the lower pipe body 3, the stretching and fixing principle of the first extension pipe 61 and the second extension pipe 62 can be known through the same principle, when the first extension pipe 61 and the second extension pipe 62 are not used, the first extension pipe 61 and the second extension pipe 62 can be stored in the upper pipe body 1, the connecting pipe 2 and the lower pipe body 3, the volume is reduced.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (5)

1. A ball joint structure for folding a straw, which is bendable, is characterized by comprising:

an upper pipe body (1);

the connecting pipe (2) is arranged at the bottom end of the upper pipe body (1);

the lower pipe body (3) is installed at the bottom end of the connecting pipe (2), spherical grooves (21) are formed in the inner walls of the two ends of the connecting pipe (2), a first spherical part (11) is arranged at the bottom end of the upper pipe body (1), a second spherical part (31) is arranged at the top end of the lower pipe body (3), and the second spherical part (31) and the first spherical part (11) are installed in the corresponding spherical grooves (21);

the side wall of the first ball part (11) is provided with a first mounting groove (111), and the upper rubber ring (4) is mounted in the first mounting groove (111);

the side wall of the second ball part (31) is provided with a second mounting groove (311), and the lower rubber ring (5) is mounted in the second mounting groove (311);

and the telescopic pipe (6) is arranged at the bottom end of the lower pipe body (3).

2. The foldable ball joint structure for the folding suction tube according to claim 1, wherein the extension tube (6) comprises a first extension tube (61) installed at the bottom end of the lower tube body (3) and a second extension tube (62) installed at the bottom end of the first extension tube (61), fixed tubes (63) are fixed at the top ends of the first extension tube (61) and the second extension tube (62), a rubber sleeve (64) is sleeved outside the fixed tubes (63), annular protrusions (641) are symmetrically arranged on the side walls of the rubber sleeve (64), and limiting grooves (7) clamped with the annular protrusions (641) are arranged on the inner wall of the lower tube body (3) and the inner wall of the bottom end of the first extension tube (61).

3. The foldable ball joint structure for the folding straw as claimed in claim 2, wherein the top side walls of the first extension pipe (61) and the second extension pipe (62) are provided with limiting protrusions (8), and the bottom end of the lower pipe body (3) and the bottom ends of the first extension pipe (61) and the second extension pipe (62) are inclined inwards.

4. The foldable ball joint structure for the folding straw as claimed in claim 1, wherein the top end of the upper tube body (1) is provided with a rounded corner (12).

5. The foldable ball joint structure for a folding straw as claimed in claim 2, wherein the inner diameter of the upper and lower tubular bodies (1, 3) is larger than the outer diameter of the first extension pipe (61).

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