CN216813255U - Pipe joint with good sealing performance - Google Patents

Abstract

The utility model relates to a pipe joint with good sealing performance, which comprises a left connecting pipe and a right connecting pipe, wherein a flared pipe is fixedly connected to the right end face of the left connecting pipe, and sealing mechanisms for sealing the left connecting pipe and the right connecting pipe are sleeved on the outer surfaces of the left connecting pipe and the flared pipe. This coupling that leakproofness is good, through all overlapping the surface at left connecting pipe and flaring pipe with the recipient with extension piece, all overlap the surface at recipient and extension piece with fixture block and roating seat again, the pulling roating seat, rotate the roating seat afterwards, make roating seat and right connecting pipe threaded connection, drive the recipient and extend the piece and remove, extend piece and flaring pipe surface contact butt, make flaring pipe and scarce groove emergence contact butt, when can not rotating the roating seat, twist and move connecting bolt, twist connecting bolt on the connecting block, make its roating seat can not rotate, thereby the leakproofness of flaring pipe and right connecting pipe gap department has been guaranteed, the poor problem of leakproofness has been solved.

Description

Pipe joint with good sealing performance

Technical Field

The utility model relates to the technical field of pipe joints, in particular to a pipe joint with good sealing performance.

Background

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

The leakproofness of current coupling is poor, accomplishes the back between with the pipe, and liquid is when the coupling, and liquid can flow out from the gap between coupling and two pipes, causes the leakage of liquid, does not set up filtration simultaneously, leads to the purity of liquid not enough, uses inconvenient, so has proposed the coupling that a leakproofness is good and has solved the above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the pipe joint with good sealing performance, which has the advantages of good sealing performance and filtering capability and solves the problems of poor sealing performance and no filtering function.

In order to achieve the purposes of good sealing performance and filtering, the utility model provides the following technical scheme: the utility model provides a coupling that leakproofness is good, includes left connecting pipe and right connecting pipe, the right-hand member face fixedly connected with flaring pipe of left side connecting pipe, the surface of left side connecting pipe and flaring pipe has all cup jointed the sealing mechanism who seals left connecting pipe and right connecting pipe, sealing mechanism includes the recipient, extends piece, fixture block, roating seat and recess, the recipient has all been cup jointed to the surface of left side connecting pipe and flaring pipe, the right-hand member face fixed mounting of recipient has the extension piece that contacts with the flaring pipe, the fixture block has all been cup jointed to the recipient and extension piece surface, the right-hand member face fixed mounting of fixture block has the roating seat, the surface of roating seat is seted up flutedly.

Furthermore, the shape of the extrusion container is annular, the extension block is sleeved with the flared tube through the connecting hole, and the fixture block is sleeved with the extrusion container and the extension block through the clamping hole.

Further, the outer fixed surface of roating seat installs the protection line, extend the piece and contact with the roating seat, the diameter of extending the piece equals the internal diameter of roating seat.

Furthermore, the shape of recess is the stairstepping, the inner wall of recess rotates and is connected with the boss, the shape of boss is the annular.

Furthermore, the outer surface of boss is fixed and is installed the connecting block, the outer surface fixed mounting of right connecting pipe has the link, the inner wall of flaring pipe is pegged graft and is had the filter screen that contacts with right connecting pipe, and the shape of filter screen is the round platform shape.

Further, the internal thread of the connecting frame is connected with a connecting bolt in threaded connection with the connecting block, the connecting frame is in threaded connection with the connecting bolt through a threaded hole, and the connecting block is in threaded connection with the connecting bolt through a threaded groove.

Further, the shape of link is L shape, the inner wall threaded connection of roating seat has right connecting pipe, the scarce groove has been seted up on the outer surface left side of connecting pipe, and lacks the groove and contact with the flaring pipe.

Compared with the prior art, the utility model provides the pipe joint with good sealing performance, which has the following beneficial effects:

the pipe joint with good sealing performance is characterized in that the pipe joint is provided with a flared pipe, an extrusion cylinder, an extension block, a fixture block, a rotary seat, a groove, a boss, a connecting block, a connecting bolt and a connecting frame, when in sealing, the extrusion cylinder and the extension block are sleeved on the outer surfaces of a left connecting pipe and the flared pipe, the fixture block and the rotary seat are sleeved on the outer surfaces of the extrusion cylinder and the extension block, the rotary seat is pulled and then rotated to enable the rotary seat to be in threaded connection with a right connecting pipe to drive the extrusion cylinder and the extension block to move, the extension block is in contact butt joint with the outer surface of the flared pipe to enable the flared pipe to be in contact butt joint with a notch groove, when the rotary seat cannot be rotated, the connecting bolt is screwed into the connecting block to enable the rotary seat to be incapable of rotating, so that the sealing performance of the gap between the flared pipe and the right connecting pipe is ensured, and by arranging the filter screen, the filter screen can block impurities entering the flared pipe from the right connecting pipe into the flared pipe, the connecting bolt is screwed, the rotating seat is rotated, the flared pipe is separated from the right connecting pipe, the filter screen can be cleaned, and the problems of poor sealing performance and no filtering function are solved.

Drawings

FIG. 1 is a front cross-sectional view of the structure of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is an enlarged view of A in FIG. 1 according to the present invention.

In the figure: 1 left connecting pipe, 2 flared pipes, 3 extrusion cylinders, 4 extending blocks, 5 clamping blocks, 6 rotating seats, 7 grooves, 8 bosses, 9 connecting blocks, 10 connecting bolts, 11 connecting frames, 12 right connecting pipes and 13 notch grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-3, a pipe joint with good sealing performance includes a left connecting pipe 1 and a right connecting pipe 12, a flared pipe 2 is fixedly connected to a right end surface of the left connecting pipe 1, and sealing mechanisms for sealing the left connecting pipe 1 and the right connecting pipe 12 are respectively sleeved on outer surfaces of the left connecting pipe 1 and the flared pipe 2;

sealing mechanism includes recipient 3, extend piece 4, fixture block 5, roating seat 6 and recess 7, it can extrude flared tube 2 to extend piece 4, thereby let flared tube 2 and the contact of right connecting pipe 12 and butt, effectively seal flared tube 2 and right connecting pipe 12, sealed effect is better, recipient 3 has all been cup jointed to left connecting pipe 1 and flared tube 2's surface, recipient 3's right-hand member face fixed mounting has the extension piece 4 that contacts with flared tube 2, fixture block 5 has all been cup jointed to recipient 3 and extension piece 4 surface, fixture block 5's right-hand member face fixed mounting has roating seat 6, recess 7 has been seted up to the surface of roating seat 6.

In this embodiment, recipient 3's shape is the annular, and extension piece 4 cup joints with flared tube 2 through the connecting hole, can effectively extrude flared tube 2, has increased flared tube 2 and to the sealed effect of right connecting pipe 12, and fixture block 5 cup joints with recipient 3 and extension piece 4 through the card hole.

In this embodiment, the outer fixed surface of roating seat 6 installs the protection line, and the hand skidded when preventing to rotate, extends piece 4 and roating seat 6 and contacts, and the diameter of extending piece 4 equals the internal diameter of roating seat 6.

In this embodiment, the shape of recess 7 is the stairstepping for boss 8 can not shift out recess 7, and the inner wall of recess 7 rotates and is connected with boss 8, and boss 8's shape is the annular.

In this embodiment, the outer fixed surface of boss 8 installs connecting block 9, and the outer fixed surface of right connecting pipe 12 installs link 11, and the inner wall of flared pipe 2 is pegged graft and is had the filter screen that contacts with right connecting pipe 12, and the filter screen can block the impurity that contains in the liquid, carries out filtering work, and the shape of filter screen is the round platform shape.

In this embodiment, the internal thread of the connecting frame 11 is connected with the connecting bolt 10 in threaded connection with the connecting block 9, and after the connecting bolt 10 enters the thread groove, the rotation of the rotating base 6 can be limited, so that the fixing is performed, the connecting frame 11 is in threaded connection with the connecting bolt 10 through the thread hole, and the connecting block 9 is in threaded connection with the connecting bolt 10 through the thread groove.

In this embodiment, the shape of link 11 is L shape, and the inner wall threaded connection of roating seat 6 has right connecting pipe 12, and scarce groove 13 has been seted up on the surface left side of connecting pipe 12, lacks groove 13 and flaring pipe 2's abundant butt, can play fine sealed effect, and lack groove 13 and flaring pipe 2 and contact.

This embodiment is when using, insert the filter screen in flared tube 2 earlier, insert flared tube 2 in scarce groove 13 again, then all overlap the surface at left connecting pipe 1 and flared tube 2 with recipient 3 and extension piece 4, fixture block 5 and roating seat 6 all overlap the surface at recipient 3 and extension piece 4, pulling roating seat 6, rotate roating seat 6 afterwards, make roating seat 6 and right connecting pipe threaded connection, it removes to drive recipient 3 and extension piece 4, extension piece 4 and flared tube 2 external surface contact butt, make flared tube 2 and scarce groove 13 take place the contact butt, when can not rotating roating seat 6, twist connecting bolt 10 on connecting block 9, make its roating seat 6 can not rotate, thereby accomplish sealed work.

The beneficial effects of the above embodiment are as follows: the pipe joint with good sealing performance is provided with a flared pipe 2, an extrusion cylinder 3, an extension block 4, a fixture block 5, a rotary seat 6, a groove 7, a boss 8, a connecting block 9, a connecting bolt 10 and a connecting frame 11, when the pipe joint is sealed, the extrusion cylinder 3 and the extension block 4 are sleeved on the outer surfaces of a left connecting pipe 1 and the flared pipe 2, the fixture block 5 and the rotary seat 6 are sleeved on the outer surfaces of the extrusion cylinder 3 and the extension block 4, the rotary seat 6 is pulled, the rotary seat 6 is rotated subsequently, the rotary seat 6 is in threaded connection with a right connecting pipe, the extrusion cylinder 3 and the extension block 4 are driven to move, the extension block 4 is in contact and butt with the outer surface of the flared pipe 2, the flared pipe 2 is in contact and butt with a notch 13, when the rotary seat 6 cannot be rotated, the connecting bolt 10 is screwed into the connecting block 9, the rotary seat 6 cannot rotate, and the sealing performance of a gap between the flared pipe 2 and the right connecting pipe 12 is ensured, through setting up the filter screen, the filter screen can block and enter into the impurity that contains in the entering liquid from right connecting pipe 12 in the flared tube 2, twists and moves connecting bolt 10, rotates roating seat 6, with flared tube 2 and the separation of right connecting pipe 12, can clear up the filter screen, has solved the leakproofness poor, does not have filtering capability's problem.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a coupling that leakproofness is good, includes left connecting pipe (1) and right connecting pipe (12), its characterized in that: the right end face of the left connecting pipe (1) is fixedly connected with a flared pipe (2), and the outer surfaces of the left connecting pipe (1) and the flared pipe (2) are respectively sleeved with a sealing mechanism for sealing the left connecting pipe (1) and the right connecting pipe (12);

sealing mechanism includes recipient (3), extension piece (4), fixture block (5), roating seat (6) and recess (7), recipient (3) have all been cup jointed to the surface of left side connecting pipe (1) and flaring pipe (2), the right-hand member face fixed mounting of recipient (3) has extension piece (4) that contact with flaring pipe (2), fixture block (5) have all been cup jointed to recipient (3) and extension piece (4) surface, the right-hand member face fixed mounting of fixture block (5) has roating seat (6), the surface of roating seat (6) is seted up flutedly (7).

2. The pipe joint with good sealing performance as claimed in claim 1, wherein: the shape of recipient (3) is the annular, extend piece (4) and cup joint with flared tube (2) through the connecting hole, fixture block (5) cup joint with recipient (3) and extension piece (4) through the card hole.

3. The pipe joint with good sealing performance as claimed in claim 2, wherein: the outer fixed surface of roating seat (6) installs the protection line, extend piece (4) and contact with roating seat (6), the diameter of extending piece (4) equals the internal diameter of roating seat (6).

4. A good-sealing pipe joint according to claim 3, wherein: the shape of recess (7) is the stairstepping, the inner wall of recess (7) rotates and is connected with boss (8), the shape of boss (8) is the annular.

5. The pipe joint with good sealing performance as claimed in claim 4, wherein: the outer fixed surface of boss (8) installs connecting block (9), the outer fixed surface of right connecting pipe (12) installs link (11), the inner wall of flaring pipe (2) is pegged graft and is had the filter screen that contacts with right connecting pipe (12), and the shape of filter screen is the round platform shape.

6. The pipe joint with good sealing performance as claimed in claim 5, wherein: the connecting structure is characterized in that the inner threads of the connecting frame (11) are connected with connecting bolts (10) which are connected with the connecting blocks (9) in a threaded mode, the connecting frame (11) is connected with the connecting bolts (10) in a threaded mode through threaded holes, and the connecting blocks (9) are connected with the connecting bolts (10) in a threaded mode through threaded grooves.

7. The pipe joint with good sealing performance as claimed in claim 6, wherein: the shape of link (11) is L shape, the inner wall threaded connection of roating seat (6) has right connecting pipe (12), scarce groove (13) have been seted up on the outer surface left side of connecting pipe (12), and lack groove (13) and flared tube (2) contact.

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