阅读说明：本技术 一种变径两通管接头 (Reducing two-way pipe joint ) 是由 李河 孙信 刘见虎 于 2019-09-29 设计创作，主要内容包括：本发明涉及管道接头领域,具体的说是一种变径两通管接头,包括伸缩式接头组件、连接组件、密封组件和过滤组件,伸缩式接头组件相对的两端均固定安装有连接组件,连接组件设置有两个,两个连接组件分别为大口径连接头和小口径连接头,大口径连接头和小口径连接头远离伸缩式接头组件的一侧均固定安装有密封组件,伸缩式接头组件内部靠近大口径连接头的一侧安装有过滤组件,本发明伸缩式接头管体与可调支撑机构,满足了接头对不同间距两管道之间的连接,安装操作方便、快速,连接组件及密封组件,O型密封圈插入在密封凸起内,密封凸起对O型密封圈挤压抵触在管外壁上,提高接头密封性能,避免O型密封圈的脱落,保证密封防泄漏的可靠性。(The invention relates to the field of pipeline joints, in particular to a reducing two-way pipe joint which comprises a telescopic joint component, two connecting components, a sealing component and a filtering component, wherein the two opposite ends of the telescopic joint component are fixedly provided with the connecting components, the two connecting components are respectively a large-caliber connector and a small-caliber connector, the sides of the large-caliber connector and the small-caliber connector, which are far away from the telescopic joint component, are fixedly provided with the sealing components, and the side, which is close to the large-caliber connector, in the telescopic joint component is provided with the filtering component. The sealing performance of the joint is improved, the O-shaped sealing ring is prevented from falling off, and the reliability of sealing and leakage prevention is ensured.)

1. A reducing two-way pipe joint is characterized in that: comprises a telescopic joint component (1), a connecting component (2), a sealing component (3) and a filtering component (4), the two opposite ends of the telescopic joint component (1) are fixedly provided with connecting components (2), the two connecting components (2) are respectively a large-caliber connector (21) and a small-caliber connector (22), the sides of the large-caliber connector (21) and the small-caliber connector (22) far away from the telescopic connector component (1) are fixedly provided with sealing components (3), a filtering component (4) is arranged at one side of the inside of the telescopic joint component (1) close to the large-caliber joint (21), a primary pipeline (7) is fixedly arranged on the large-caliber connector (21), and a secondary pipeline (8) is fixedly arranged on the small-caliber connector (22).

2. The reducing two-way pipe joint according to claim 1, wherein: the telescopic joint component (1) comprises a telescopic joint pipe body (11), a small-caliber flange plate (12), a large-caliber flange plate (13), an adjustable supporting mechanism (14), a supporting seat (15), a damping plate (16) and a fixing screw (17), wherein the small-caliber flange plate (12) is fixedly installed at one end of the telescopic joint pipe body (11), the large-caliber flange plate (13) is fixedly installed at one end, away from the small-caliber flange plate (12), of the telescopic joint pipe body (11), the adjustable supporting mechanism (14) is fixedly installed between the small-caliber flange plate (12) and the large-caliber flange plate (13), the supporting seat (15) is fixedly installed at the bottom of the small-caliber flange plate (12) and the bottom of the large-caliber flange plate (13), the damping plate (16) is fixedly installed at the bottom of the supporting seat (15), and the supporting seat (15) and the damping plate, the damping plate (16) is provided with a fixing screw (17), the small-caliber flange plate (12) is provided with a small-caliber opening (6), and the large-caliber flange plate (13) is provided with a large-caliber opening (5).

3. The reducing two-way pipe joint according to claim 2, wherein: the adjustable supporting mechanism (14) comprises a primary supporting cylinder (141), a secondary supporting cylinder (142), a threaded rod (143), a threaded sleeve (144) and an adjusting knob (145), a first-stage supporting cylinder (141) is fixedly arranged on one side of the large-caliber flange plate (13) close to the small-caliber flange plate (12), a secondary supporting cylinder (142) is fixedly arranged on one side of the small-caliber flange plate (12) close to the large-caliber flange plate (13), one end of the secondary supporting cylinder (142) close to the primary supporting cylinder (141) is inserted into the primary supporting cylinder (141), and a threaded rod (143) is rotatably arranged in the primary supporting cylinder (141), a threaded sleeve (144) is installed on the threaded rod (143) in a threaded manner, one side of the threaded sleeve (144) is fixedly installed with the secondary supporting cylinder (142), one end of the threaded rod (143) penetrates through the large-caliber flange plate (13) and is fixedly installed with the adjusting knob (145).

4. The reducing two-way pipe joint according to claim 1, wherein: the large-caliber connector (21) and the small-caliber connector (22) are composed of a connecting pipe body (23), an internal thread (24), a connecting flange plate (25), a locking screw hole (26) and an O-shaped sealing ring (27), the connecting pipe body (23) is fixedly installed on two sides of the large-caliber flange plate (13) and the small-caliber flange plate (12) which are far away from each other, the internal thread (24) is arranged on the inner wall of the connecting pipe body (23), the connecting pipe body (23) on the large-caliber connector (21) is in threaded connection with the primary pipeline (7) through the internal thread (24), the connecting pipe body (23) on the small-caliber connector (22) is in threaded connection with the secondary pipeline (8) through the internal thread (24), the connecting flange plate (25) is fixedly installed on one side of the connecting pipe body (23) far away from the connectors, and the locking screw hole (26, and an O-shaped sealing ring (27) is fixedly mounted on one side of the connecting flange plate (25) far away from the connecting pipe body (23).

5. The reducing two-way pipe joint according to claim 4, wherein: seal assembly (3) are including sealing flange dish (31), sealed arch (32), locking screw (33) and lock nut (34), set up threaded hole on sealing flange dish (31), threaded hole and locking screw (26) on connecting flange dish (25) correspond, one side fixed mounting that sealing flange dish (31) are close to connecting flange dish (25) has sealed arch (32), connect through locking screw (33) between connecting flange dish (25) and the sealing flange dish (31), install lock nut (34) on locking screw (33).

6. The reducing two-way pipe joint according to claim 2, wherein: the filter assembly (4) comprises a filter screen support (41) and a filter screen (42), a filter screen (42) is fixedly mounted on one side, close to the large-diameter flange plate (13), of the inside of the telescopic joint pipe body (11) through the filter screen support (41), and the filter screen (42) is arranged in a circular arc-shaped structure.

7. The reducing two-way pipe joint according to claim 5, wherein: one side that connecting flange dish (25) were kept away from in O type sealing washer (27) is drawn in the slope setting in, O type sealing washer (27) adopt the nitrile rubber material to make, one side that sealing flange dish (31) were kept away from in sealed arch (32) is dispersion slope setting, just O type sealing washer (27) insert in the inside of sealed arch (32).

8. The reducing two-way pipe joint according to claim 2, wherein: and an anti-corrosion paint layer is sprayed on the inner wall of the telescopic joint pipe body (11).

Technical Field

The invention relates to the field of pipeline joints, in particular to a reducing two-way pipe joint.

Background

The pipe joint is a part for connecting a pipeline in a hydraulic system or installing the pipeline on a hydraulic element, and is a general name of a connecting piece which can be assembled and disassembled in a fluid passage.

The reducing installation between two pipelines is realized through two siphunculus joint between the different pipelines of two bores, at present two siphunculus joint's overall length is certain, in two pipeline installation, the connection interval that the installation was reserved needs and the overall length looks adaptation of attach fitting, make between the pipeline installation, and install complicacy between pipeline and the joint, the installation operation degree of difficulty is big, the installation is wasted time and energy, and threaded installation between pipeline and the joint, the fluid flows the impact that produces in pipeline and joint and is in body and articulate, the time is permanent, lead to the phenomenon of leaking to appear in the thread installation loss, the practicality is relatively poor.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a reducing two-way pipe joint.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a reducing two-way pipe connects, includes telescopic joint subassembly, coupling assembling, seal assembly and filtering component, the equal fixed mounting in telescopic joint subassembly relative both ends has coupling assembling, coupling assembling is provided with two, two coupling assembling is heavy-calibre connector and small-bore connector respectively, the equal fixed mounting in one side that telescopic joint subassembly was kept away from to heavy-calibre connector and small-bore connector has seal assembly, the inside one side that is close to the heavy-calibre connector of telescopic joint subassembly installs filtering component, fixed mounting has the one-level pipeline on the heavy-calibre connector, fixed mounting has the second grade pipeline on the small-bore connector.

Specifically, the telescopic joint component comprises a telescopic joint pipe body, a small-caliber flange plate, a large-caliber flange plate, an adjustable supporting mechanism, a supporting seat, a damping plate and a fixing screw, a small-caliber flange plate is fixedly arranged at one end of the telescopic joint pipe body, a large-caliber flange plate is fixedly arranged at one end of the telescopic joint pipe body away from the small-caliber flange plate, an adjustable supporting mechanism is fixedly arranged between the small-caliber flange plate and the large-caliber flange plate, supporting seats are fixedly arranged at the bottoms of the small-caliber flange plate and the large-caliber flange plate, the bottom of the supporting seat is fixedly provided with a damping plate, the supporting seat and the damping plate are arranged in a convex structure, the shock absorption plate is provided with a fixing screw, the small-caliber flange plate is provided with a small-caliber opening, and the large-caliber flange plate is provided with a large-caliber opening.

Specifically, adjustable supporting mechanism includes that the one-level supports a section of thick bamboo, a second grade support section of thick bamboo, threaded rod, thread bush and adjust knob, one side fixed mounting that the heavy-calibre ring flange is close to the small-calibre ring flange has the one-level to support a section of thick bamboo, one side fixed mounting that the small-calibre ring flange is close to the heavy-calibre ring flange has the second grade to support a section of thick bamboo, the one end that the second grade was close to the one-level and supports a section of thick bamboo is inserted in the inside that the section of thick bamboo was supported to the one-level, just the one-level supports a section of thick bamboo internal rotation and installs the threaded rod, the thread bush is installed to.

The large-caliber connecting head and the small-caliber connecting head are composed of a connecting pipe body, internal threads, a connecting flange plate, locking screws and O-shaped sealing rings, the connecting pipe body is fixedly mounted on two sides, away from the large-caliber flange plate and the small-caliber flange plate, of the two sides, the inner wall of the connecting pipe body is provided with the internal threads, the connecting pipe body on the large-caliber connecting head is connected with one-level pipeline threads through the internal threads, the connecting pipe body on the small-caliber connecting head is connected with the second-level pipeline threads through the internal threads, the connecting flange plate is fixedly mounted on one side, away from the connecting head, of the connecting pipe body, the locking screws are formed in the connecting flange plate, and the O-.

Specifically, seal assembly includes sealing flange dish, sealed arch, locking screw and lock nut, set up threaded hole on the sealing flange dish, the locking screw on screw hole and the flange dish of connecting corresponds, one side fixed mounting that sealing flange dish is close to the flange dish has sealed arch, connect through locking screw between flange dish and the sealing flange dish, the last lock nut that installs of locking screw.

Specifically, filtering component includes filter screen support and filter screen, the inside one side that is close to the heavy-calibre ring flange of telescopic joint body has the filter screen through filter screen support fixed mounting, the filter screen is the setting of convex structure.

Specifically, one side of the O-shaped sealing ring, which is far away from the connecting flange plate, is furled and inclined, the O-shaped sealing ring is made of nitrile rubber, one side of the sealing protrusion, which is far away from the connecting flange plate, is inclined in a dispersing manner, and the O-shaped sealing ring is inserted into the sealing protrusion.

Specifically, the inner wall of the telescopic joint pipe body is coated with a corrosion-resistant paint layer.

The invention has the beneficial effects that:

(1) the reducing two-way pipe joint realizes the connection and installation between two reducing pipes by arranging the telescopic joint component and the connecting component, and the large-caliber joint and the small-caliber joint are respectively connected with the primary pipe and the secondary pipe through the connecting pipe bodies, and simultaneously, the telescopic joint pipe body and the adjustable supporting mechanism are arranged on the telescopic joint component, the supporting length of the primary supporting cylinder and the secondary supporting cylinder to the telescopic joint pipe body is telescopically adjusted between the primary supporting cylinder and the secondary supporting cylinder, so that the whole length of the communicating pipe joint can be adjusted, the connection between the two pipes with different intervals by the two-way pipe joint is met, the reserved interval for connection between the two pipes does not need to be accurately controlled, the installation operation is convenient and quick, and the thread installation between the thread sleeve and the threaded rod prevents the influence of liquid flowing impact in the pipe joint on the length of the telescopic joint component, and the damping plate and the fixing screws are arranged at the bottoms of the small-caliber flange plate and the large-caliber flange plate, so that the damping installation of the communicating pipe joint is facilitated, and the installation stability is improved.

(2) According to the reducing two-way pipe joint, the connecting flange plate, the O-shaped sealing ring and the sealing assembly are arranged on the connecting assembly, the sealing protrusion is arranged on the sealing flange plate, the connecting flange plate and the sealing flange plate are fixed through the locking screw rod and the locking nut, the O-shaped sealing ring is inserted into the sealing protrusion, and the sealing protrusion extrudes the O-shaped sealing ring in the process that the sealing flange plate is close to the connecting flange plate, so that the O-shaped sealing ring is abutted against the outer walls of a primary pipeline and a secondary pipeline, the sealing performance of the joint is improved, the O-shaped sealing ring is prevented from falling off, and the reliability of sealing and leakage prevention is ensured; install the filter component who serves at the inside one of telescopic joint body, the filter screen makes the joint have filtering capability, can clear up the filter screen through the dismantlement between joint and the pipeline simultaneously.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a variable-diameter two-way pipe joint provided by the invention;

FIG. 2 is a schematic structural diagram of a telescopic joint assembly of a variable diameter two-way pipe joint according to the present invention;

FIG. 3 is a schematic structural diagram of a connecting assembly of a variable diameter two-way pipe joint according to the present invention;

FIG. 4 is a schematic structural diagram of an adjustable support mechanism of a variable-diameter two-way pipe joint according to the present invention;

fig. 5 is a schematic structural diagram of a connecting assembly and a sealing assembly of a variable-diameter two-way pipe joint provided by the invention.

In the figure: 1. a telescoping joint assembly; 11. a telescoping connector tube body; 12. a small-caliber flange plate; 13. a large-caliber flange plate; 14. an adjustable support mechanism; 141. a primary support cylinder; 142. a secondary support cylinder; 143. a threaded rod; 144. a threaded sleeve; 145. adjusting a knob; 15. a supporting seat; 16. a damper plate; 17. fixing screws; 2. a connecting assembly; 21. a large-caliber connector; 22. a small-caliber connector; 23. connecting the pipe body; 24. an internal thread; 25. connecting a flange plate; 26. locking the screw hole; 27. an O-shaped sealing ring; 3. a seal assembly; 31. sealing the flange plate; 32. sealing the protrusion; 33. locking the screw rod; 34. locking the nut; 4. a filter assembly; 41. a screen support; 42. a filter screen; 5. a large-caliber opening; 6. a small-caliber opening; 7. a primary pipeline; 8. and (4) a secondary pipeline.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-5, the reducing two-way pipe joint provided by the invention comprises a telescopic joint component 1, a connecting component 2, a sealing component 3 and a filtering component 4, wherein the connecting component 2 is fixedly installed at both opposite ends of the telescopic joint component 1, the connecting component 2 is provided with two connecting components 2, the two connecting components 2 are respectively a large-caliber connector 21 and a small-caliber connector 22, the sealing component 3 is fixedly installed at one side of the large-caliber connector 21 and the small-caliber connector 22 far away from the telescopic joint component 1, the filtering component 4 is installed at one side of the telescopic joint component 1 close to the large-caliber connector 21, a primary pipeline 7 is fixedly installed on the large-caliber connector 21, and a secondary pipeline 8 is fixedly installed on the small-caliber connector 22.

Specifically, the telescopic joint assembly 1 includes a telescopic joint pipe body 11, a small-caliber flange 12, a large-caliber flange 13, an adjustable support mechanism 14, a support seat 15, a damping plate 16 and a fixing screw 17, wherein the small-caliber flange 12 is fixedly installed at one end of the telescopic joint pipe body 11, the large-caliber flange 13 is fixedly installed at one end of the telescopic joint pipe body 11 away from the small-caliber flange 12, the adjustable support mechanism 14 is fixedly installed between the small-caliber flange 12 and the large-caliber flange 13, the support seat 15 is fixedly installed at the bottom of the small-caliber flange 12 and the bottom of the large-caliber flange 13, the damping plate 16 is fixedly installed at the bottom of the support seat 15, the support seat 15 and the damping plate 16 are arranged in a convex structure, the damping plate 16 is provided with the fixing screw 17, the small-caliber flange 12 is provided with the small-, the large-diameter opening 5 is formed in the large-diameter flange plate 13, the adjustable supporting mechanism 14 enables the whole length of the communicating pipe joint to be adjustable, and therefore the connecting of the two communicating pipe joints to two pipelines with different intervals is met, the adjusting is convenient, and the installation and operation are convenient and quick.

Specifically, the adjustable supporting mechanism 14 includes a first-stage supporting cylinder 141, a second-stage supporting cylinder 142, a threaded rod 143, a threaded sleeve 144 and an adjusting knob 145, the first-stage supporting cylinder 141 is fixedly installed on one side of the large-diameter flange 13 close to the small-diameter flange 12, the second-stage supporting cylinder 142 is fixedly installed on one side of the small-diameter flange 12 close to the large-diameter flange 13, one end of the second-stage supporting cylinder 142 close to the first-stage supporting cylinder 141 is inserted into the first-stage supporting cylinder 141, the threaded rod 143 is rotatably installed in the first-stage supporting cylinder 141, the threaded sleeve 144 is threadedly installed on the threaded rod 143, one side of the threaded sleeve 144 is fixedly installed with the second-stage supporting cylinder 142, one end of the threaded rod 143 passes through the large-diameter flange 13 and is fixedly installed with the adjusting knob 145, the adjusting knob 145 is rotated to drive the threaded rod 143 to rotate in the first-stage supporting cylinder 141, the threaded sleeve 144 is moved on the, therefore, the length of the telescopic joint pipe body 11 between the small-caliber flange 12 and the large-caliber flange 13 is adjusted in a stretching or compressing mode through the adjustable supporting mechanism 14, and the threaded sleeve 144 and the threaded rod 143 are installed in a threaded mode, so that the influence of liquid flowing impact in a pipeline joint on the length of the telescopic joint assembly 1 is prevented.

Concretely, heavy-calibre connector 21 and small-calibre connector 22 constitute by connecting body 23, internal thread 24, connection flange dish 25, locking screw 26 and O type sealing washer 27, equal fixed mounting has connecting body 23 on the both sides that heavy-calibre ring flange 13 and small-calibre ring flange 12 kept away from mutually, the inner wall of connecting body 23 is provided with internal thread 24, connecting body 23 on the heavy-calibre connector 21 passes through internal thread 24 and one-level pipeline 7 threaded connection, connecting body 23 on the small-calibre connector 22 passes through internal thread 24 and second grade pipeline 8 threaded connection, the equal fixed mounting in one side that connecting body 23 kept away from the connector has connecting flange dish 25, locking screw 26 has been seted up on connecting flange dish 25, one side fixed mounting that connecting body 23 was kept away from to connecting flange dish 25 has O type sealing washer 27, realizes one-level pipeline 7, The secondary pipeline 8 is connected in a diameter-variable manner.

Specifically, seal assembly 3 includes sealing flange 31, sealed arch 32, locking screw 33 and lock nut 34, set up threaded hole on the sealing flange 31, the threaded hole corresponds with the locking screw 26 on the connection flange 25, one side fixed mounting that sealing flange 31 is close to the connection flange 25 has sealing arch 32, connect through locking screw 33 between connection flange 25 and the sealing flange 31, install lock nut 34 on the locking screw 33.

Specifically, filtering component 4 includes filter screen support 41 and filter screen 42, there is filter screen 42 one side that telescopic joint body 11 is inside to be close to heavy-calibre ring flange 13 through filter screen support 41 fixed mounting, filter screen 42 is the setting of convex structure, and filter screen 42 makes the joint have filtering capability, can clear up filter screen 42 through the dismantlement between joint and the pipeline simultaneously.

Specifically, one side that O type sealing washer 27 kept away from connecting flange dish 25 is to draw in the slope setting in, O type sealing washer 27 adopts the nitrile rubber material to make, one side that sealed flange dish 31 was kept away from to sealed protruding 32 is dispersion slope setting, just O type sealing washer 27 inserts in the inside of sealed protruding 32, and sealed protruding 32 extrudees O type sealing washer 27 for O type sealing washer 27 is contradicted on one-level pipeline 7, second grade pipeline 8's outer wall of pipe, thereby improves the sealing performance who connects, and sealed protruding 32, sealed flange dish 31 and connecting flange dish 25 extrude the restriction to O type sealing washer 27, avoids droing of O type sealing washer 27, guarantees sealed reliability of preventing leaking.

Specifically, the inner wall of the telescopic joint pipe body 11 is coated with a corrosion-resistant paint layer, so that the corrosion resistance of the inner wall of the telescopic joint pipe body 11 is improved.

When in use, firstly, according to the reserved installation space between the primary pipeline 7 and the secondary pipeline 8, the adjusting knob 145 is rotated to drive the threaded rod 143 to rotate in the primary supporting cylinder 141, the threaded sleeve 144 moves on the threaded rod 143 to drive the secondary supporting cylinder 142 to do telescopic motion in the primary supporting cylinder 141, so that the length of the telescopic joint pipe body 11 between the small-caliber flange 12 and the large-caliber flange 13 is stretched or compressed and adjusted through the adjustable supporting mechanism 14, the sealing components 3 are respectively sleeved on the primary pipeline 7 and the secondary pipeline 8, then the primary pipeline 7 is inserted into the large-caliber connector 21 at one side of the large-caliber flange 13, the secondary pipeline 8 is inserted into the small-caliber connector 22 at one side of the small-caliber flange 12, the primary pipeline 7 is fixed with the large-caliber connector 21 by utilizing the internal threads 24 on the connecting pipe body 23, and the secondary pipeline 8 is fixed with the caliber connector, thereby realizing the connection and installation between two reducing pipelines, then fixedly installing a small-caliber flange 12 and a large-caliber flange 13 through a fixing screw 17 on a damping plate 16, improving the installation stability, moving a sealing component 3 sleeved on a primary pipeline 7 and a secondary pipeline 8 to enable the sealing component to be close to a connecting component 2, fixing the connecting flange 25 and a sealing flange 31 through a locking screw 33 and a locking nut 34, inserting an O-shaped sealing ring 27 into a sealing bulge 32 installed on the sealing flange 31, extruding the O-shaped sealing ring 27 by the sealing bulge 32 in the process that the sealing flange 31 is close to the connecting flange 25, enabling the O-shaped sealing ring 27 to be abutted against the outer walls of the primary pipeline 7 and the secondary pipeline 8, thereby improving the sealing performance of the joint, and limiting the extrusion of the O-shaped sealing ring 27 by the sealing bulge 32, the sealing flange 31 and the connecting flange 25, avoid droing of O type sealing washer 27, guarantee the reliability of sealed preventing leaking, install the filter assembly 4 of serving in telescopic joint body 11 inside, filter screen 42 makes the joint have filtering capability, can clear up filter screen 42 through the dismantlement between joint and the pipeline simultaneously, adjustable supporting mechanism 14 makes the whole length of intercommunication coupling adjustable, thereby satisfied two pipe couplings to the connection between the two pipelines of different intervals, it is convenient to adjust, installation convenient operation, it is quick.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.