阅读说明：本技术 一种内外螺纹中转接头 (Internal and external thread transfer joint ) 是由 俞张良 于 2019-12-04 设计创作，主要内容包括：本发明公开了一种内外螺纹中转接头,包括接头芯管体、螺纹连接端、液压软管连接端、外螺纹和内螺纹,所述接头芯管体上方设有螺纹连接端,所述螺纹连接端上设有外螺纹,所述接头芯管体右侧设有液压软管连接端,所述液压软管连接端为直径逐渐缩小的圆柱体,所述接头芯管体的内壁上设有内螺纹,所述接头芯管体、螺纹连接端和液压软管连接端为一体式设计,与现有技术相比,本发明结构简单,设计合理,通过在接头芯管体上设置螺纹连接端,在接头芯管体内壁上设置内螺纹的方式,实现了螺纹管与硬质连接管相连,此外,本转接头也可以用来连接液压软管和螺纹管。(The invention discloses an internal and external thread transfer joint, which comprises a joint core pipe body, a thread connecting end, a hydraulic hose connecting end, an external thread and an internal thread, a threaded connecting end is arranged above the joint core pipe body, an external thread is arranged on the threaded connecting end, the right side of the joint core tube body is provided with a hydraulic hose connecting end which is a cylinder with gradually reduced diameter, the inner wall of the joint core tube body is provided with internal threads, the joint core tube body, the threaded connecting end and the hydraulic hose connecting end are designed in an integrated mode, compared with the prior art, the invention has simple structure and reasonable design, and by arranging the threaded connecting end on the joint core tube body, set up the internal screw thread mode on the body inner wall of joint core, realized that the screwed pipe links to each other with the stereoplasm connecting pipe, in addition, this adapter also can be used for connecting hydraulic hose and screwed pipe.)

1. The utility model provides an interior external screw thread transfer joint which characterized in that: including joint body (1), threaded connection end (2), hydraulic hose connection end (3), external screw thread (4) and internal thread (5), joint body (1) top is equipped with threaded connection end (2), be equipped with external screw thread (4) on threaded connection end (2), joint body (1) right side is equipped with hydraulic hose connection end (3), hydraulic hose connection end (3) are the cylinder that the diameter reduces gradually, be equipped with internal thread (5) on the inner wall of joint body (1), threaded connection end (2) and hydraulic hose connection end (3) formula design as an organic whole, joint body (1) still includes first cylinder (10), second cylinder (11), first ring body (12), third cylinder (13), spacing cover (14), fourth cylinder (15), A check ring (16) and a fifth cylinder (17), wherein the right side of the first cylinder (10) is provided with a second cylinder (11), a first ring body (12) is arranged on the right side of the second ring body (11), a third cylinder body (13) is arranged on the right side of the first ring body (12), a limiting sleeve (14) is arranged on the right side of the third column body (13), a fourth column body (15) is arranged on the right side of the limiting sleeve (14), a check ring (16) is arranged on the right side of the fourth column body (15), a plurality of grooves (160) and circular rings (161) which are distributed at intervals are arranged on the check ring (16), the right side of the non-return ring (16) is provided with a fifth cylinder (17), and the first cylinder (10), the second cylinder (11), the first ring body (12), the third cylinder (13), the limiting sleeve (14), the fourth cylinder (15), the non-return ring (16) and the fifth cylinder (17) are designed in an integrated mode.

2. The internal and external thread transfer joint of claim 1, wherein: the threaded end (2) is located on the upper surface of the first cylinder (10).

3. The internal and external thread transfer joint of claim 1, wherein: the diameter of the first cylinder (10) is larger than that of the second cylinder (11).

4. The internal and external thread transfer joint of claim 1, wherein: the diameter of the second cylinder (11) is larger than that of the third cylinder (13).

5. The internal and external thread transfer joint of claim 1, wherein: the diameter of the third cylinder (13) is larger than that of the fourth cylinder (15).

6. The internal and external thread transfer joint of claim 1, wherein: the diameter of the fourth cylinder (15) is equal to that of the fifth cylinder (17).

7. The internal and external thread transfer joint of claim 1, wherein: the diameter of the limiting sleeve (14) is larger than that of the third column body (13) and smaller than that of the second column body (11).

8. The internal and external thread transfer joint of claim 1, wherein: the cross section of the groove (160) is isosceles trapezoid.

9. The internal and external thread transition joint of claims 1-8, wherein: the joint core tube body (1) is a stainless steel product.

[ technical field ] A method for producing a semiconductor device

The invention relates to the field of mechanical installation, in particular to an internal and external thread transfer joint.

[ background of the invention ]

The pipe joint is one of two main components of a hydraulic pipeline, the pipe joint has various types, and common pipe joints can be generally divided into a hard pipe joint and a hose joint, wherein the hydraulic pipe joint generally comprises three parts, namely an insertion end, a joint core main body and a hydraulic hose connecting end and is used for realizing the sealing of a hydraulic system.

[ summary of the invention ]

The invention aims to solve the problems in the prior art and provides an internal and external thread transfer joint which is simple in structure and reasonable in design, a threaded pipe is connected with a hard connecting pipe in a mode that a threaded connecting end is arranged on a joint core pipe body and an internal thread is arranged on the inner wall of the joint core pipe body, and in addition, the joint can also be used for connecting a hydraulic hose and the threaded pipe.

In order to achieve the purpose, the invention provides an internal and external thread transfer joint, which comprises a joint core pipe body, a threaded connection end, a hydraulic hose connection end, an external thread and an internal thread, wherein the threaded connection end is arranged above the joint core pipe body, the threaded connection end is provided with the external thread, the hydraulic hose connection end is arranged on the right side of the joint core pipe body, the hydraulic hose connection end is a cylinder with the diameter gradually reduced, the internal thread is arranged on the inner wall of the joint core pipe body, the threaded connection end and the hydraulic hose connection end are designed in an integrated manner, the joint core pipe body further comprises a first cylinder body, a second cylinder body, a first ring body, a third cylinder body, a limiting sleeve, a fourth cylinder body, a check ring and a fifth cylinder body, the right side of the first cylinder body is provided with the second cylinder body, the right side of the second cylinder body is provided with the, the right side of third cylinder is equipped with the stop collar, the right side of stop collar is equipped with the fourth cylinder, the right side of fourth cylinder is equipped with the non-return ring, non-return ring is last to be equipped with a plurality of interval distribution's recess and ring, the right side of non-return ring is equipped with the fifth cylinder, first cylinder, second cylinder, first ring body, third cylinder, stop collar, fourth cylinder, non-return ring and fifth cylinder formula design as an organic whole.

Preferably, the threaded end is located on an upper surface of the first post.

Preferably, the first cylinder has a larger diameter than the second cylinder.

Preferably, the second cylinder has a larger diameter than the third cylinder.

Preferably, the third cylinder has a larger diameter than the fourth cylinder.

Preferably, the diameter of the fourth cylinder is equal to the diameter of the fifth cylinder.

Preferably, the diameter of the limiting sleeve is larger than that of the third column body and smaller than that of the second column body.

Preferably, the cross section of the groove is isosceles trapezoid.

Preferably, the joint core tube body is made of stainless steel.

The invention has the beneficial effects that: the connector core tube body is provided with the threaded connecting end, the inner wall of the connector core tube body is provided with the internal thread, the threaded pipe is connected with the hard connecting pipe, and in addition, the connector can also be used for connecting a hydraulic hose and the threaded pipe.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a schematic structural view of a transition joint with internal and external threads according to the present invention.

Fig. 2 is a schematic view of a stop loop of a transition joint with internal and external threads according to the present invention.

In the figure: 1-joint core tube body, 10-first cylinder, 11-second cylinder, 12-first ring body, 13-third cylinder, 14-limiting sleeve, 15-fourth cylinder, 16-check ring, 160-groove, 161-ring, 17-fifth cylinder, 2-thread connecting end, 3-hydraulic hose connecting end, 4-external thread and 5-internal thread.

[ detailed description ] embodiments

Referring to the attached drawings, the internal and external thread transfer joint of the invention comprises a joint core body 1, a thread connection end 2, a hydraulic hose connection end 3, an external thread 4 and an internal thread 5, wherein the thread connection end 2 is arranged above the joint core body 1, the thread connection end 2 is provided with the external thread 4, the hydraulic hose connection end 3 is arranged at the right side of the joint core body 1, the hydraulic hose connection end 3 is a cylinder with a gradually reduced diameter, the internal thread 5 is arranged on the inner wall of the joint core body 1, the thread connection end 2 and the hydraulic hose connection end 3 are designed in an integrated manner, the joint core body 1 further comprises a first cylinder body 10, a second cylinder body 11, a first ring body 12, a third cylinder body 13, a limiting sleeve 14, a fourth cylinder body 15, a check ring 16 and a fifth cylinder body 17, the second cylinder body 11 is arranged at the right side of the first cylinder body 10, the right side of the second cylinder 11 is provided with a first ring body 12, the right side of the first ring body 12 is provided with a third cylinder 13, the right side of the third cylinder 13 is provided with a limit sleeve 14, the right side of the limit sleeve 14 is provided with a fourth cylinder 15, the right side of the fourth cylinder 15 is provided with a check ring 16, the check ring 16 is provided with a plurality of grooves 160 and circular rings 161 which are distributed at intervals, the right side of the check ring 16 is provided with a fifth cylinder 17, the first cylinder 10, the second cylinder 11, the first ring body 12, the third cylinder 13, the limit sleeve 14, the fourth cylinder 15, the check ring 16 and the fifth cylinder 17 are designed in an integrated manner, the threaded connection end 2 is positioned on the upper surface of the first cylinder 10, the diameter of the first cylinder 10 is greater than that of the second cylinder 11, the diameter of the second cylinder 11 is greater than that of the third cylinder 13, the diameter of the third cylinder 13 is greater than that of the fourth cylinder 15, the diameter of the fourth cylinder 15 is equal to the diameter of the fifth cylinder 17, the diameter of the limiting sleeve 14 is larger than that of the third cylinder 13 and smaller than that of the second cylinder 11, the cross section of the groove 160 is in an isosceles trapezoid shape, and the joint core tube body 1 is a stainless steel product.

The working process of the invention is as follows:

the invention relates to an internal and external thread transfer joint, which can be connected with an internal thread pipe through an external thread 4 arranged on a thread connecting end 2 in the working process, the external thread pipe can be connected with a joint through an internal thread 5 arranged inside a joint core pipe body 1, in addition, the port of a hydraulic hose connecting end 3 is of a gradually reduced cylindrical structure, so that the connection between a hydraulic hose and the joint core is more convenient, the connection between the hydraulic hose and the joint core is tighter and firmer through a plurality of grooves 160 and circular rings 161 which are distributed at intervals on a non-return ring 16, the sealing performance is improved, meanwhile, the hose can not be scraped, compared with the prior art, the invention has simple structure and reasonable design, the connection between the thread pipe and a hard connecting pipe is realized through arranging the thread connecting end on the joint core pipe body and arranging an internal thread on the inner wall of the joint core pipe body, in addition, the adapter can also be used for connecting a hydraulic hose and a threaded pipe.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.