TWM644407U - Joint structure with bending and stretching - Google Patents

Abstract

The present invention creates a joint structure with bending and stretching, including: a first screw connection part, a second screw connection part and a connecting section, the first screw connection part is provided with an internal thread, and the second screw connection part is provided with There is an external thread, the connection section is connected between the first screw connection part and the second screw connection part, an annular deformation part is provided on the connection section, and the section of the ring deformation part is isosceles trapezoidal, There is an elastic space inside the annular deformation part, and a circular arc chamfer or a circle of grooves are respectively provided at the joints of the two sides of the annular deformation part and the connecting section; thus, it can be easily bent according to the needs of use Adjusting the angle and stretching and extending, and the operation of bending, adjusting the angle and stretching and extending is labor-saving and fast.

Description

Structure with bending and stretching joints (2)

The invention relates to a joint structure, especially a bending and stretching joint structure.

By the way, when a general building is constructed, based on factors such as aesthetics and safety, the pipeline is usually pre-embedded in the building structure, and only the joint part of the pipeline is exposed, so that after the main structure of the building is completed , the installation of water and electricity equipment can be facilitated by the pre-buried pipeline, without the need to additionally arrange open pipes that affect the appearance in the building.

However, the pipeline buried in the building structure is set in such a way that the pipeline is pre-configured before the cement grouting of the building structure, and then the cement grouting is performed, and because the joints of the conventional pipeline are fixed, Therefore, during the cement grouting process, the pipeline is easily pressed and pushed by the water mixture, causing displacement or angle deflection of the joint at the end of the pipeline, resulting in errors in the subsequent installation of hydropower equipment, causing inconvenience in the installation of hydropower equipment And affect the appearance of water and electricity installations. In severe cases, the installation of water and electricity equipment cannot be carried out smoothly, and part of the cement must be removed. After adjusting the position or angle of the pipeline and the joint, add cement to connect the pipeline and the joint. Re-fixing is not only time-consuming and labor-intensive, but also wastes a lot of unnecessary costs, so it is necessary to further improve the design.

In view of the above-mentioned shortcomings of the conventional pipe joints, the author of this creation is based on his thoughts and creative ideas. After many discussions, sample tests, and many revisions and improvements, he launched this creation.

This invention provides a bending and stretching joint structure, including: a first screw connection part, a second screw connection part and a connecting section, the first screw connection part is provided with a first through hole penetrating in the axial direction, The inner edge of the first through hole is provided with an internal thread, the second threaded portion is provided with a second through hole extending axially, the outer edge of the second threaded portion is provided with an external thread, and the connecting section is connected to Between the first threaded part and the second threaded part, the connecting section is provided with a third through hole penetrating in the axial direction, and the third through hole is connected between the first through hole and the second through hole. It is characterized in that: the connecting section is provided with an annular deformation part, the cross section of the annular deformation part is isosceles trapezoidal, and an elastic space communicated with the third through hole is provided in the annular deformation part, the ring A circular arc chamfer or a circle of grooves are respectively provided at the junctions between the two sides of the shape deformation part and the connecting section, so that the connecting section has the characteristics of being bendable and stretchable.

The main purpose of this creation with bending and stretching joint structure (2) is that when it is used, the connecting section can be easily bent and adjusted for angle adjustment and stretched and extended according to the needs of use, and the operation of bending, adjusting angle and stretching and extending is labor-saving and fast. Further, the convenience of use and practicality are improved.

The drawings of the preferred embodiments of this creation are further described below, in order to enable those familiar with the related technologies of this creation to implement it according to the statements in this manual.

First of all, please refer to the first to fourth drawings, the invention creates a bending and stretching joint structure, including: a first threaded portion 10 , a second threaded portion 20 and a connecting section 30 .

The first threaded part 10 is provided with a first through hole 11 penetrating in the axial direction, the inner edge of the first through hole 11 is provided with an internal thread 111, and the outer edge of the first threaded part 10 is provided with a wrench The swivel part 12 fits and turns. In this embodiment, the swivel part 12 is hexagonal.

The second threaded portion 20 is in the shape of a circular tube and defines a second through hole 21 penetrating in the axial direction. The second threaded portion 20 is provided with an external thread 22 .

The connection section 30 is in the shape of a circular tube, and is connected between the first screw connection part 10 and the second screw connection part 20. The connection section 30 is provided with a third through hole 31 penetrating in the axial direction. The hole 11 communicates with the second through hole 21 through the third through hole 31. An annular deformation portion 32 is provided in the middle of the connecting section 30. The section of the annular deformation portion 32 is isosceles trapezoidal. 32 is provided with an elastic space 321 communicating with the third through hole 31, and a circular arc chamfer 322 is respectively provided at the junction of the two sides of the annular deformation part 32 with the connecting section 30, so that the connecting section 30 can have a The characteristics of bending and stretching, in this embodiment, the annular deformation part 32 has two symmetrical slopes 323 and a top plane 324, the two slopes 323 have a symmetrical slope angle θ, and the slope angle θ is between 5 degrees Between to 15 degrees, a rounded corner 325 is provided at the junction of the two slopes 323 and the top plane 324, and the section of the elastic space 321 is rectangular.

During use, as shown in the fifth figure to the seventh figure, the inner thread 111 of the first threaded part 10 is screwed with the predetermined pipeline 40, and the outer thread 22 of the second threaded part 20 is provided for another The predetermined pipeline (not shown in the figure) is screwed, and after the first screwed part 10 is screwed with the predetermined pipeline 40, the second screwed part 20 is turned according to the needs of use to match the annular The elastic space 321, the arc chamfer 322 and the fillet 325 of the deformation part 32 make the annular deformation part 32 of the connection section 30 be bent and deformed by force, or pull the second threaded part 20 according to the needs of use, so that the The annular deformation portion 32 of the connecting section 30 is stretched and extended under force, so as to improve the convenience of use and avoid unnecessary waste of cost.

Furthermore, as shown in the eighth figure, it is another embodiment of the bending and stretching joint structure of the present invention. The difference between this other embodiment and the above embodiment is that the section of the elastic space 321 of the connecting section 30 is in the shape of The first waist trapezoid corresponds to the shape of the annular deformation portion 32 .

As shown in the ninth figure to the eleventh figure, it is another embodiment of the bending and stretching joint structure of the present invention. A ring of grooves 326 are respectively arranged at the joints of the connecting section 30 on both sides of the shape deforming part 32. Stretch with less effort and bend better.

During use, as shown in the twelfth figure to the fourteenth figure, the inner thread 111 of the first threaded part 10 is screwed with the predetermined pipeline 40, and the outer thread 22 of the second threaded part 20 is used to provide Another predetermined pipeline (not shown in the figure) is screwed, and after the first screwed part 10 is screwed with the predetermined pipeline 40, the second screwed part 20 is turned as needed to match the The elastic space 321, the groove 326 and the fillet 325 of the annular deformation part 32 make the annular deformation part 32 of the connecting section 30 be bent and deformed under force, or pull the second threaded part 20 according to the needs of use, so that the The annular deformation portion 32 of the connecting section 30 is stretched and extended under force, so as to improve the convenience of use and avoid unnecessary waste of cost.

As shown in the fifteenth figure and the sixteenth figure, it is another embodiment of the present invention with a bending and tension joint structure. It is trapezoidal, so that the connecting section 30 can be bent and stretched, and the bending and stretching are less labor-saving and better to bend.

As shown in the seventeenth figure and the eighteenth figure, it is another embodiment of the invention with a bending and stretching joint structure. The difference between the other embodiment and the other embodiment is that the groove 326 is broken. The surface is generally V-shaped, so that the connecting section 30 can be bent and stretched, and the bending and stretching are less labor-saving and better to bend.

By the structure of the above-mentioned specific embodiment, the following benefits can be obtained: the invention has a bending and stretching joint structure, and its connecting section 30 is provided with an annular deformation part 32, and the section of the annular deformation part 32 is isosceles trapezoidal. An elastic space 321 is provided in the annular deformation part 32, and a circular arc chamfer 322 or a circle of grooves 326 are respectively provided at the joints of the two sides of the annular deformation part 32 and the connection section 30, so that the connection section 30 can be bent to adjust the angle and stretched to extend according to the needs of use, and the operation of bending to adjust the angle and stretch to extend is labor-saving and fast, so as to improve the convenience and practicality of use.

10: The first threaded part 11: Through hole 111: Internal thread 12: Turning part 20: The second threaded part 21: Second through hole 22: External thread 30: Connection section 31: The third through hole 32: Annular deformation part 321: Elastic space 322: Arc chamfering 323: bevel 324: top plane 325: fillet 326: Groove 40: pipeline θ: tilt angle

The first picture is a three-dimensional picture created by this book. The second picture is a section view of this creation. The third figure is an enlarged view of part A1 of the second figure. The fourth figure is another enlarged view of part A1 of the second figure. The fifth picture is a schematic cross-sectional view of the state of use of this creation. The sixth picture is a schematic diagram of the action of bending to adjust the angle and stretching and extending when using this creation. The seventh picture is a schematic diagram of another action of bending, adjusting the angle and stretching and extending when using this creation. The 8th figure is the sectional view of another embodiment of this creation. The ninth figure is a stereogram of another embodiment of this creation. The tenth figure is a sectional view of another embodiment of this creation. Figure 11 is an enlarged view of part A2 of Figure 10. The twelfth figure is a schematic cross-sectional view of another embodiment of the invention in use. The thirteenth figure is a schematic diagram of the action of bending adjustment angle and stretching extension when another embodiment of the invention is used. Figure 14 is a schematic diagram of another action of bending adjustment angle and stretching extension when another embodiment of the invention is used. Figure 15 is a sectional view of another embodiment of this creation. Figure 16 is an enlarged view of part A3 of Figure 15. The seventeenth figure is the sectional view of another embodiment of this creation. Figure 18 is an enlarged view of part A4 of Figure 17.

10: The first threaded part

11: Through hole

111: Internal thread

12: Turning part

20: The second threaded part

21: Second through hole

22: External thread

30: Connection section

31: The third through hole

32: Annular deformation part

321: Elastic space

326: Groove

Claims (15)

A bending and stretching joint structure, comprising: a first screw connection part, a second screw connection part and a connecting section, the first screw connection part is provided with a first through hole penetrating in the axial direction, the first screw connection part An internal thread is provided on the inner edge of the through hole, a second through hole penetrating in the axial direction is provided on the second threaded part, an external thread is provided on the outer edge of the second threaded part, and the connecting section is connected to the first Between a threaded part and the second threaded part, the connecting section is provided with a third through hole penetrating in the axial direction, and the first through hole communicates with the second through hole through the third through hole, which Features: An annular deformation portion is provided on the connecting section, and the section of the annular deformation portion is isosceles trapezoidal. An elastic space communicating with the third through hole is provided inside the annular deformation portion. A circular arc chamfer is provided at the junction of the connecting section, so that the connecting section has the characteristics of being bendable and stretchable. The bending and stretching joint structure as claimed in Claim 1, wherein the connecting section is in the shape of a circular tube. The bending and stretching joint structure as described in Claim 1, wherein the annular deformation portion has two symmetrical slopes and a top plane, and a rounded corner is respectively set at the junction of the two slopes and the top plane. The bending and stretching joint structure as claimed in claim 3, wherein the two slopes have a symmetrical slope angle, and the slope angle is between 5 degrees and 15 degrees. The structure with bending and stretching joints as claimed in claim 1, wherein the section of the elastic space is rectangular. The bending and stretching joint structure according to claim 1, wherein the section of the elastic space is trapezoidal in shape, and the shape of the elastic space corresponds to the shape of the annular deformation part. A bending and stretching joint structure, comprising: a first screw connection part, a second screw connection part and a connecting section, the first screw connection part is provided with a first through hole penetrating in the axial direction, the first screw connection part An internal thread is provided on the inner edge of the through hole, a second through hole penetrating in the axial direction is provided on the second threaded part, an external thread is provided on the outer edge of the second threaded part, and the connecting section is connected to the first Between a threaded part and the second threaded part, the connecting section is provided with a third through hole penetrating in the axial direction, and the first through hole communicates with the second through hole through the third through hole, which Features: An annular deformation portion is provided on the connecting section, the section of the annular deformation portion is isosceles trapezoidal, and an elastic space communicated with the third through hole is provided in the annular deformation portion, and the outer edge of the connecting section is at the edge of the ring A circle of grooves is respectively provided at the joints between the two sides of the shape deformation part and the connection section, so that the connection section has the characteristics of being bendable and stretchable. The bending and stretching joint structure as claimed in claim 7, wherein the groove is arc-shaped. The bending and stretching joint structure as claimed in claim 7, wherein the groove is roughly trapezoidal. The bending and stretching joint structure as claimed in claim 7, wherein the groove is roughly V-shaped. The bending and stretching joint structure as claimed in claim 7, wherein the connecting section is in the shape of a circular tube. The bending and stretching joint structure as claimed in item 7, wherein the annular deformation portion has two symmetrical slopes and a top plane, and a rounded corner is respectively set at the junction of the two slopes and the top plane. The bending and stretching joint structure as claimed in claim 12, wherein the two inclined surfaces have symmetrical inclination angles, and the inclination angles are between 5 degrees and 15 degrees. The bending and stretching joint structure as claimed in claim 7, wherein the section of the elastic space is rectangular. The bending and stretching joint structure according to claim 7, wherein the section of the elastic space is trapezoidal in shape, and the elastic space corresponds to the shape of the annular deformation part.

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