CN217441086U - Rigid drainage pipeline connecting device - Google Patents

Abstract

The utility model relates to a pipe connection technical field, more specifically relates to a rigid drainage pipe connecting device. A rigid drainage pipeline connecting device comprises a main body, a sealing element and a mounting cap; the installation cap is the annular, the main part be equipped with be used for with the bellmouth of installation cap joint, the sealing member is located the bellmouth with between the installation cap. The installation cap and the main part are connected in the clamping mode, the main part and the installation cap are in clamping fit, disassembly and assembly maintenance are facilitated, repeated use is achieved, installation convenience is improved, installation can be completed by bare hands without the help of other auxiliary tools, the installation cap is tightly matched with the socket, and installation efficiency is improved.

Description

Rigid drainage pipeline connecting device

Technical Field

The utility model relates to a pipe connection technical field, more specifically relates to a rigid drainage pipe connecting device.

Background

The pipeline connecting device in the present stage on the market is mainly a telescopic joint for connecting a drainage pipeline system, and the telescopic joint has the following functions: 1. PVC belongs to hard pipelines, has no expansion capability, and can only depend on an expansion joint for pipeline expansion caused by environment. The telescopic joint is arranged mainly for preventing the pipeline from expanding with heat and contracting with cold; 2. the telescopic joint can also eliminate the impact caused by various water hammers. The existing drainage expansion joint in the market has high product utilization rate and large yield. However, the drainage expansion joint of the old product is formed by placing a rubber ring into a main body and then connecting a screw cap with the main body through glue. When the pipe joint is used, the rubber ring is extruded through the pipe to seal water, the structure is not only troublesome to install and incapable of being maintained, but also needs to be connected with glue, and meanwhile, when the pipe is installed, the friction force is large due to the fact that the contact area of the rubber ring and the pipe is too large, so that the disassembly resistance is large, and the disassembly and the assembly are inconvenient.

The device comprises a connecting pipe, a rubber sealing ring and a pressing ring; the outer wall of one end of the connecting pipe is provided with an external thread, the inner wall of the pressing ring is provided with an internal thread matched with the external thread, and the internal thread is in threaded connection with the external thread. The disclosed rigid drainage pipeline connecting device is assembled in a threaded connection mode, a nut can be screwed down only by means of an installation auxiliary tool in the installation process, and installation convenience is low; meanwhile, the cross section of the sealing ring adopted by the rigid drainage pipeline connecting device is rectangular, and the contact area of the sealing ring and the pipe is large, so that the generated friction force is large, and the rigid drainage pipeline connecting device is inconvenient to disassemble and assemble.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome above-mentioned prior art and use screw-thread fit's mode to carry out the defect of installing, provide a rigid drainage pipe connecting device, the utility model discloses a mode of joint is installed, need not install with the help of other appurtenance.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a rigid drainage pipeline connecting device comprises a main body, a sealing element and a mounting cap; the installation cap is the annular, the main part be equipped with be used for with the bellmouth of installation cap joint, the sealing member is located the bellmouth with between the installation cap. The main part is favorable to the dismouting to be maintained with the cooperation mode that the installation cap adopted the joint, can used repeatedly, bare-handed can install, need not be with the help of other appurtenance, is favorable to improving work efficiency.

As one preferable scheme, the outer wall of the socket is provided with a clamping part, and the mounting cap is provided with a matching part. The bellmouth is connected with the tubular product, and the tubular product inserts the main part through the bellmouth after will installing the cap cover and advancing tubular product, cooperates the block portion with the bellmouth with the cooperation portion of installation cap again and can accomplish the installation.

As one preferable scheme, the clamping portion may be a strip-shaped clamping block. The outer wall of the socket of the main body is provided with four clamping blocks which are matched with the matching parts, and the clamping blocks are arc-shaped and are attached to the outer edge of the socket, so that the clamping blocks are matched with the matching parts at the edge of the mounting cap.

As one of the preferable schemes, the matching part is a clamping groove, and the clamping groove is arranged on the annular inner wall of the mounting cap.

As one of the preferable schemes, the clamping groove comprises an entering section and a limiting section which are communicated, and the entering section is hollowed to the edge of the inner wall; when clamping, the clamping part is arranged from the entering section and clamped at the limiting section.

The radial length that gets into the section is unanimous with the radial length of fixture block, extends to have a spacing section keeping away from the passageway end that gets into section opening one end, and the radial length of this spacing section is greater than the radial length of fixture block, and the fixture block is through getting into the section until the passageway end, then rotatory mounting cap makes the fixture block get into spacing section and can accomplish the block cooperation, realizes the equipment of mounting cap and main part.

As one preferable scheme, the limiting section is provided with a protrusion for limiting the movement of the fixture block. This arch is located the entry end of spacing section, and bellied setting is the axial length in order to reduce spacing section, and this spacing section is not equipped with the radial length unanimous of bellied radial length and fixture block, and the fixture block advances the groove unanimous with fixture block axial length through protruding back card, has restricted the motion of fixture block, and the arch has increased the resistance that the fixture block breaks away from spacing section, has improved the cooperation stability of mounting cap and main part, makes the difficult disintegration of equipment of mounting cap and main part.

As one preferable scheme, at least one end of the latch is rounded for reducing resistance of installing the installation cap. The round head structure can effectively reduce the resistance of dismouting installation cap, uses the round head to pass through and can reduce the bellied area of contact of fixture block and spacing section and then can reduce the resistance of installation, the installation of being convenient for.

Preferably, the sealing element is an O-ring with a circular cross section. The sealing ring is arranged in the socket, the sealing performance of the pipeline connecting device can be improved by using the sealing ring, and the conditions of water leakage and the like in the use process are avoided. The sealing part of the O-shaped sealing ring has simple structure, compact installation part and light weight; the sealing device has a self-sealing function, and can complete sealing by only one sealing element; the sealing performance is good, and almost no leakage can be realized when the sealing ring is used as static sealing; the motion friction resistance is small, and the device can also be suitable for occasions with alternating pressure; the size is standardized, the manufacturing cost is low, and the use and outsourcing are convenient.

Preferably, the socket is provided with a bearing platform for mounting the O-ring. The diameter of the diameter ratio main part's of bellmouth tubular product linkage segment is big, and tubular product linkage segment port outwards extends to have an external diameter to be the bellmouth diameter, and the internal diameter is the ring of tubular product linkage segment diameter for connect bellmouth and tubular product linkage segment, simultaneously, this ring still is used for placing installation O type sealing washer.

As one of the preferred scheme, the main body further comprises a pipe connecting section, and a pipe limiting rib is arranged in the axial middle section of the pipe connecting section. The pipe limiting rib is annular and convex, is arranged at the middle position of the inner wall of the pipe connecting section, and has a rectangular cross section, so that the connecting positions of pipes at two ends are limited, and the pipe connecting section of the whole pipe connecting device main body is prevented from being occupied by one section of pipe.

The pipeline connecting device is made of PVC-U materials, and has the characteristics of high hardness, rigidity, allowable stress, good ageing resistance, durability, corrosion resistance, low price, recoverability, convenient and simple installation, good sealing performance and the like; the O-shaped sealing ring is made of natural rubber, has excellent comprehensive physical and mechanical properties, has good elasticity at normal temperature, and has the characteristics of good processing property and the like.

Compared with the prior art, the utility model discloses a rigid drainage pipe connecting device, the beneficial effect who obtains is: the installation cap and the main body are connected in a clamping manner, so that the convenience of installation is improved, the installation can be completed by bare hands without other auxiliary tools, the installation cap is tightly matched with the socket, and the installation efficiency is also improved; the convex block arranged on the limiting section can effectively prevent the clamping from loosening, and the round head structure arranged at one end of the clamping block entering the limiting section can properly reduce the resistance of the clamping block entering the limiting section, so that the installation is convenient; the cross section is the O-shaped sealing ring of circular. The sealing part of the O-shaped sealing ring has simple structure, compact installation part and light weight; the sealing device has a self-sealing function, and can complete sealing by only one sealing element; the sealing performance is good, and almost no leakage can be realized when the sealing ring is used as static sealing; the motion friction resistance is small, and the device can also be suitable for occasions with alternating pressure; the size is standardized, the manufacturing cost is low, and the use and outsourcing are convenient; the pipe connecting section is provided with the pipe limiting ribs, so that the position distribution of the pipe in the pipe connecting section is more suitable.

Drawings

Fig. 1 is an explosion diagram of the whole structure of the utility model.

Fig. 2 is a schematic view of the whole usage state of the present invention.

Fig. 3 is a schematic view of the mounting cap structure.

Fig. 4 is an enlarged view of fig. 3 at a.

Fig. 5 is a schematic view of the main structure.

Fig. 6 is an enlarged view of fig. 5 at B.

Fig. 7 is a front view of the overall structure of the present invention.

Fig. 8 is a half sectional view at a-a of fig. 7.

Fig. 9 is a schematic structural view of an O-ring.

Fig. 10 is a schematic view of the present invention cooperating with a pipeline.

Fig. 11 is an enlarged view of the latch.

Fig. 12 is a front view of the mounting cap.

Fig. 13 is a sectional view at B-B of fig. 12.

Wherein, 1, the main body; 11. a socket; 12. a pipe connecting section; 2. a seal member; 3. installing a cap; 4. a clamping block; 41, round head; 5. a fitting portion; 51. entering a section; 52. a limiting section; 521. a protrusion; 6. a bearing platform; 7. pipe limiting ribs; and 8, a pipeline.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms "upper", "lower", "left", "right", "long", "short", "top", "bottom", "inner", "outer", etc. indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is merely for convenience of description and simplification of the description, but it is not intended to indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art will understand the specific meanings of the terms according to specific situations.

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example 1

As shown in fig. 1, the present embodiment provides a hard drainage pipeline connecting device, which is applied to the connection of a hard drainage pipeline 14, and comprises a main body 1, a sealing member 2 and a mounting cap 3; the bellmouth 4 with the 3 joint of installation cap is equipped with to main part 1 one end, and sealing member 2 is located between the bellmouth 4 of main part 1 and installation cap 3. Specifically, the socket 4 is provided with a clamping part, and the mounting cap 3 is provided with a matching part 6; the clamping part comprises a clamping block 5 positioned at the outer edge of the socket 4. The fitting portion 6 includes an entry section 7 and a stopper section 8. As shown in fig. 11, the radial length of the fixture block 5 is a, and the axial length thereof is b; as shown in fig. 13, the entry section 7 has a radial length c; the axial length of the stop section 8 is d.

The seal 2 comprises a sealing ring for increasing the tightness. The sealing ring is an O-shaped sealing ring with a circular cross section. The socket 4 is provided with a socket 11 for mounting an O-ring.

Furthermore, the diameter of the pipe connecting section 12 of the pipe connecting device is 110mm, an annular bearing platform 11 with the outer diameter of 128mm extends outwards from an opening at one end of the pipe connecting section 12 connected with the socket 4, and the bearing platform 11 is used for placing an O-shaped sealing ring; four fixture blocks 5 are arranged in the middle of the outer edge of the socket 4 and are uniformly distributed on the outer edge of the socket 4, the fixture blocks 5 are of structures protruding outwards based on the surface of the outer edge of the socket 4, and the protruding height is adapted to the depth of an entering section 7 and a limiting section 8 of a matching part 6 of the mounting cap 3; correspondingly, as shown in fig. 3, the mounting cap 3 is provided with four identical matching portions 6 corresponding to the fixture block 5, the matching portions 6 include an inlet section 7 and a limiting section 8, the length of an opening of the inlet section 7 is the length of the fixture block 5, so that the fixture block 5 can just reach the end of the channel along the inlet section 7, the limiting section 8 is arranged in the counterclockwise direction of the end of the channel, the inlet section 7 on the mounting cap 3 is aligned with the corresponding fixture block 5 and then the mounting cap 3 is pressed downwards until the fixture block 5 reaches the end of the inlet section 7, and then the mounting cap 3 is rotated clockwise until the mounting cap cannot rotate, so that the fixture block 5 can be clamped into the limiting section 8, and the width of the limiting section 8 is adapted to the width of the fixture block 5, so that the mounting cap 3 has no space for up and down movement after clamping.

The pipeline connecting device is made of PVC-U materials, has higher hardness, rigidity and allowable stress, and has the characteristics of good ageing resistance, durability, corrosion resistance, low price, recoverability, convenient and simple installation, good sealing property and the like; the O-shaped sealing ring is made of natural rubber, has excellent comprehensive physical and mechanical properties, has good elasticity at normal temperature, and has the characteristics of good processing property and the like.

The specific implementation manner of this embodiment is: put into bellmouth 4 with O type sealing washer in, then aim at fixture block 5 with the entering section 7 of mounting cap 3, press mounting cap 3 downwards until can not remove the back clockwise twist move mounting cap 3 make fixture block 5 get into can accomplish the equipment after spacing section 8, use in the work progress the utility model provides a rigid drainage pipe connecting device directly accomplishes the installation of pipeline 14 installation and sealing member promptly with pipeline 14 insert pipe connecting device's both ends. Compare with current drain pipe connection device, the rigid drainage pipe connection device that this embodiment provided need not use glue to connect, accomplish behind pipe connection device's the equipment disect insertion tubular product can, and traditional pipe connection device will install nut and sealing washer with this cover advance behind the tubular product again insert pipe connection device main part 1 after glue is coated to the tubular product outer wall, impel the sealing washer mounting groove in pipe connection device main part 1 with the sealing washer at last and screw up the installation nut again and just can accomplish the installation.

Example 2

As shown in FIG. 4, this embodiment provides a rigid drainage pipeline connecting device, and on the basis of embodiment 1, the inlet end of the limiting section 8 is provided with a protrusion 9 for limiting the movement of the block 5. The protrusion 9 is a section of protrusion arranged at the inlet end of the inlet section 7 and used for limiting the movement of the fixture block 5 after entering the limiting section 8.

Specifically, there is one section protruding height to be 0.3 mm's protruding 9 in spacing section 8 entry one end, and the back journey length that does not set up protruding 9 can hold whole fixture block 5, sets up protruding 9 and can pin fixture block 5 after fixture block 5 gets into spacing section 8, has increased fixture block 5 and has broken away from spacing section 8's resistance, improves the stability of joint.

The specific implementation manner of this embodiment is: put into bellmouth 4 with O type sealing washer, then 7 alignment fixture block 5 of the entering section of mounting cap 3, push down mounting cap 3 and twist clockwise after can not removing and move mounting cap 3 and make fixture block 5 get into spacing section 8, the part that has set up protruding 9 in getting into spacing section 8 has certain resistance, continue to twist and move mounting cap 3 and explain until the resistance disappears fixture block 5 has got into spacing section 8's end through fixture block 5, fixture block 5 has been locked in spacing section 8 by protruding 9, just so can accomplish the equipment, use in the work progress the utility model provides a rigid connection device directly inserts pipeline 14 into the pipeline connection device that has assembled and accomplishes the installation of pipeline 14 installation and sealing member promptly.

Example 3

As shown in FIG. 6, this embodiment provides a rigid drainpipe connecting device, and on the basis of embodiment 2, the end of the fixture block 5 entering the limiting section 8 is provided with a round head 10 for reducing the resistance for installing the mounting cap 3. Specifically, one end of the fixture block 5, which enters the limiting section 8 at first, is a round head 10, and the other end is of a planar structure; the resistance in the installation can be reduced to the fixture block 5 of taking button head 10 in the spacing section 8 on the spacing section 8 of taking arch 9 that provides in embodiment 2 basis, because the surface of button head 10 is the arc, has the effect of transition direction, and the area of contacting with arch 9 is less, consequently can use less power just to accomplish the installation. The clamping is in the back journey that does not set up protruding 9 after fixture block 5 gets into spacing section 8, because the one end that round head 10 was kept away from to fixture block 5 is planar structure, and is great with protruding 9 area of contact, consequently needs great power just can release spacing section 8 with fixture block 5, and such setting can improve the stability of joint.

The specific implementation manner of this embodiment is: put into bellmouth 4 with O type sealing washer, then 7 alignment fixture block 5 of the entering section of mounting cap 3, push down mounting cap 3 and twist clockwise after can not removing and move mounting cap 3 and make fixture block 5 get into spacing section 8, the part that has set up protruding 9 in getting into spacing section 8 has certain resistance, continue to twist and move mounting cap 3 and explain until the resistance disappears fixture block 5 has got into spacing section 8's end through fixture block 5, fixture block 5 has been locked in spacing section 8 by protruding 9, just so can accomplish the equipment, use in the work progress the utility model provides a rigid connection device directly inserts pipeline 14 into the pipeline connection device that has assembled and accomplishes the installation of pipeline 14 installation and sealing member promptly.

Example 4

As shown in fig. 8, this embodiment provides a rigid drainage pipeline connecting device, and on the basis of embodiment 1, a pipe limiting rib 13 is disposed at an axially inner middle position of a pipe connecting section 12 in a main body 1. Specifically, a circular tube limiting rib 13 is arranged at the middle position inside a tube connecting section 12 of the tube connecting device main body 1, the cross section of the tube limiting rib 13 is a protrusion with a rectangular cross section, the height of the protrusion is 7mm, the tube limiting rib is used for limiting the positions of two sections of tubes 14 to be connected inside the tube connecting section 12, and the phenomenon that the length of one section of tube inside the main body 1 is too long and the length of the other end is too short, so that the connection effect of the tube connecting device is influenced can be avoided.

The concrete implementation form of this embodiment is on the basis of the embodiment of embodiment 1 installed pipeline connecting device, inserts the pipeline 14 that needs to connect, need pay attention to the depth of insertion simultaneously, insert pipeline 14 to with the spacing muscle 13 contact of tubular product can, so can guarantee that two sections pipeline 14 respectively account for the length of tubular product linkage segment 12 half, can make pipeline connecting device's atress more even.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A rigid drainage pipeline connecting device is characterized by comprising a main body (1), a sealing element (2) and a mounting cap (3); the installation cap (3) is the annular, main part (1) be equipped with be used for with bellmouth (4) of installation cap (3) joint, sealing member (2) are located bellmouth (4) with between installation cap (3).

2. Hard drainage pipeline connecting device according to claim 1, wherein the outer wall of the socket (4) is provided with a clamping part, and the mounting cap (3) is provided with a matching part (6) matched with the clamping part.

3. The hard drainage pipeline connecting device according to claim 2, wherein the engaging portion is a block (5), and the block (5) is in a shape of a bar.

4. The hard drainage pipeline connecting device as claimed in claim 3, wherein the fitting part (6) is a slot, and the slot is formed in the annular inner wall of the mounting cap.

5. The hard drainage pipeline connecting device according to claim 4, wherein the clamping groove comprises an inlet section (7) and a limiting section (8) which are communicated with each other, and the inlet section (7) is hollowed out to the edge of the inner wall; when clamping, the clamping part is arranged from the entering section and clamped at the limiting section.

6. The hard drainage pipeline connecting device according to claim 5, wherein the limiting section (8) is provided with a protrusion (9) for limiting the movement of the block (5).

7. The hard drain pipe connection according to claim 6, wherein at least one end of the clamping block (5) is rounded (10) for reducing the resistance for mounting the mounting cap (3).

8. The hard drain pipe connection according to claim 1, wherein the sealing member (2) is an O-ring with a circular cross-section.

9. The hard drain pipe connection according to claim 8, wherein the socket (4) is provided with a socket (11) for mounting the O-ring.

10. The hard drainage pipeline connecting device according to claim 1, wherein the main body (1) further comprises a pipe connecting section (12), and a pipe limiting rib (14) is arranged in the axial middle section of the pipe connecting section (12).

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