CN218152856U - High leakproofness instrument pipe fitting - Google Patents

Abstract

The utility model belongs to the technical field of the instrument pipe fitting, especially, be a high leakproofness instrument pipe fitting, including two connecting pipes, four draw-in grooves have been seted up to the equal circumference array in left end surface of connecting pipe, the right-hand member of connecting pipe all overlaps and is equipped with the ring collar, one of them the right-hand member of connecting pipe is pegged graft together with the left end of another connecting pipe. The utility model discloses a set up the draw-in groove, the annular sheath, the ring channel, the slider, the telescopic sleeve, the locating piece, the constant head tank, fixture block and spring, the inclined plane of cooperation opening, can make the fixture block retraction or stretch out the surface of connecting pipe, thereby can make things convenient for personnel to install and dismantle the connecting pipe fast, and locating piece and constant head tank can play the effect of location when the installation, through setting up first sealing washer, reinforce cover and second sealing washer, can make the reinforcement cover drive second ring shaped seal circle and tightly support together with first sealing washer, and then can improve the leakproofness of connecting between the instrument pipe fitting.

Description

High leakproofness instrument pipe fitting

Technical Field

The utility model relates to an instrument pipe fitting technical field specifically is a high leakproofness instrument pipe fitting.

Background

The instrument pipe fitting is a connecting or controlling system used for a pipeline, is used for changing the direction of the pipeline, branching the pipeline or connecting pipes of different sizes, is used in a much harsher environment than a straight pipe, uses materials of the pipe fitting such as pipes, plates, forgings, castings, bars, profiles and the like, and generally, the material and the thickness of the pipe fitting depend on the materials, the shapes and the sizes of the used pipe fitting, and factors such as conveyed fluid medium, pressure and the like.

The connection between the existing instrument pipe fittings is relatively troublesome, the outer pipe fittings are inconvenient to install and detach quickly, the sealing performance between the instrument pipe fittings is poor, the leakage phenomenon can occur, and potential safety hazards exist in the use process.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a high leakproofness instrument pipe fitting has solved current pipe fitting support fixed connection mode comparatively troublesome, and connects the relatively poor problem of leakproofness of back pipe fitting.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a high leakproofness instrument pipe fitting, includes two connecting pipes, four draw-in grooves have all been seted up to the equal circumference array in left end surface of connecting pipe, the right-hand member of connecting pipe all overlaps and is equipped with the ring groove, one of them the right-hand member of connecting pipe is in the same place with the left end of another connecting pipe pegs graft, the ring channel has all been seted up to the right-hand member inside of connecting pipe, the internal surface circumference array of ring groove is fixed with four sliders, four slider equal sliding connection is in the ring groove and is fixed with the telescope tube, the one end of telescope tube all is fixed with the fixture block, the surface of telescope tube all overlaps and is equipped with the spring, the both ends of spring respectively with adjacent slider and fixture block fixed connection, the fixture block all slides and runs through the internal surface of connecting pipe and respectively with corresponding draw-in groove block, the right-hand member of connecting pipe all is fixed with first sealing washer, the left end of connecting pipe all has the reinforcement cover through threaded connection, a surface of reinforcement cover all is fixed with the second sealing washer.

Furthermore, the clamping blocks are all set to be trapezoidal blocks, four through holes communicated with the inner wall of the connecting pipe are formed in the annular groove in an evenly-circumferential array mode, one surface of each through hole is set to be an inclined surface matched with the clamping block, and the clamping blocks are connected into the corresponding through holes in a sliding mode respectively.

Furthermore, four sliding openings communicated with the outer wall of the connecting pipe are formed in the annular groove in an equal circumferential array mode, and the sliding blocks are respectively connected in the corresponding sliding openings in a sliding mode.

Further, the internal surface of annular cover all is fixed with two T type ring bodies symmetrically, two T type annular grooves have all been seted up symmetrically to the right-hand member of connecting pipe, T type ring body sliding connection is in corresponding T type annular groove respectively.

Furthermore, the left end of the connecting pipe is fixed with a positioning block, the right end of the connecting pipe and the first sealing ring are both provided with positioning grooves matched with the positioning blocks, and the positioning blocks are respectively connected in the corresponding positioning grooves in a sliding manner.

(III) advantageous effects

Compared with the prior art, the utility model provides a high leakproofness instrument pipe fitting possesses following beneficial effect:

the utility model discloses, through setting up the draw-in groove, the ring channel, the slider, the telescopic sleeve, the locating piece, the constant head tank, fixture block and spring, the inclined plane of cooperation opening, can make the fixture block retraction or stretch out the surface of connecting pipe, thereby can make things convenient for personnel to install and dismantle the connecting pipe fast, locating piece and constant head tank can play the effect of location when the installation in addition, through setting up first sealing washer, reinforce cover and second sealing washer, can make the reinforcement cover drive second ring seal and tightly support together with first sealing washer, and then can improve the leakproofness of connecting between the instrument pipe fitting.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a structure of one of the connecting pipes of the present invention;

FIG. 3 is a schematic structural view of a cut-away portion of the right end of the connecting tube of the present invention;

FIG. 4 is a schematic view of the T-shaped ring groove of the present invention;

fig. 5 is a schematic view of the T-shaped ring structure of the present invention.

In the figure: 1. a connecting pipe; 2. a card slot; 3. an annular sleeve; 4. an annular groove; 5. a slider; 6. a telescopic sleeve; 7. a clamping block; 8. a spring; 9. a first seal ring; 10. reinforcing the sleeve; 11. a second seal ring; 12. a port; 13. a sliding port; 14. a T-shaped ring body; 15. a T-shaped ring groove; 16. positioning a block; 17. and (6) positioning a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1, fig. 2 and fig. 3, an embodiment of the present invention provides a high-sealing instrument tube, including two connecting pipes 1, four clamping grooves 2 are disposed on a left end surface of each connecting pipe 1, an annular sleeve 3 is sleeved on a right end of each connecting pipe 1, a right end of one connecting pipe 1 is inserted into a left end of another connecting pipe 1, an annular groove 4 is disposed inside a right end of each connecting pipe 1, four sliders 5 are fixed on an inner surface circumferential array of the annular sleeve 3, the four sliders 5 are slidably connected in the annular groove 4 and are fixed with a telescopic sleeve 6, one end of the telescopic sleeve 6 is fixed with a fixture block 7, a surface of the telescopic sleeve 6 is sleeved with a spring 8, two ends of the spring 8 are respectively fixedly connected with the adjacent sliders 5 and the fixture block 7, the fixture block 7 is slidably inserted through an inner surface of the connecting pipe 1 and is respectively engaged with the corresponding clamping grooves 2, the right end of each connecting pipe 1 is fixed with a first sealing ring 9, a left end of the connecting pipe 1 is connected with a reinforcing sleeve 10 through a thread, and a surface of the reinforcing sleeve 10 is fixed with a second sealing ring 11; to sum up, when needing to install connecting pipe 1, personnel rotate annular cover 3 anticlockwise earlier, can drive slider 5 anticlockwise movement, under telescopic tube 6 and spring 8's effect, can drive fixture block 7 anticlockwise movement, at this moment fixture block 7 can retract in ring channel 4, then personnel insert behind this connecting pipe 1's the right-hand member with the left end of another connecting pipe 1, personnel just can rotate annular cover 3 once more and make slider 5 reset, under spring 8's effect, just can drive fixture block 7 reset and with the draw-in groove 2 block on another connecting pipe 1, just can reach the purpose of making things convenient for dismouting connecting pipe 1, and finally, personnel's rotating consolidates cover 10, make second sealing washer 11 can with first sealing washer 9 in close contact with, thereby can improve the leakproofness of connecting pipe 1 junction.

As shown in fig. 2, 3 and 4, in some embodiments, the fixture blocks 7 are all configured as trapezoidal blocks, four through holes 12 communicated with the inner wall of the connection pipe 1 are formed in the annular groove 4 in an array manner, one surface of each through hole 12 is configured as an inclined surface adapted to the fixture block 7, and the fixture blocks 7 are respectively slidably connected in the corresponding through holes 12 so as to be capable of matching with the inclined surfaces of the fixture blocks 7, so that the fixture blocks 7 can move smoothly.

As shown in fig. 4, in some embodiments, four sliding ports 13 communicated with the outer wall of the connecting pipe 1 are circumferentially arranged in the annular groove 4, and the sliding blocks 5 are slidably connected in the corresponding sliding ports 13, so that the sliding blocks 5 can smoothly slide in the annular groove 4.

As shown in fig. 4 and 5, in some embodiments, two T-shaped ring bodies 14 are symmetrically fixed on the inner surface of the annular sleeve 3, two T-shaped ring grooves 15 are symmetrically formed at the right end of the connecting pipe 1, and the T-shaped ring bodies 14 are slidably connected in the corresponding T-shaped ring grooves 15 respectively, so as to limit the annular sleeve 3.

As shown in fig. 1 and 2, in some embodiments, the left end of the connecting pipe 1 is fixed with a positioning block 16, the right end of the connecting pipe 1 and the first sealing ring 9 are both provided with positioning grooves 17 adapted to the positioning block 16, and the positioning blocks 16 are respectively slidably connected in the corresponding positioning grooves 17, so that the positioning function can be achieved when the connecting pipe 1 is installed, and the fixture block 7 can be smoothly clamped with the clamping groove 2.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A high leakproofness instrument pipe fitting, includes two connecting pipes (1), its characterized in that: four clamping grooves (2) are formed in the surface of the left end of the connecting pipe (1) in a circumferential array, an annular sleeve (3) is sleeved on the right end of the connecting pipe (1), one of the clamping grooves is connected with the left end of the other connecting pipe (1) in an inserting mode, an annular groove (4) is formed in the right end of the connecting pipe (1), a sliding block (5) is fixed to the inner surface of the annular sleeve (3) in a circumferential array, the sliding block (5) is connected in the annular groove (4) in a sliding mode and fixed with a telescopic sleeve (6), a clamping block (7) is fixed to one end of the telescopic sleeve (6), a spring (8) is sleeved on the surface of the telescopic sleeve (6), two ends of the spring (8) are fixedly connected with the adjacent sliding block (5) and the clamping block (7) respectively, the clamping block (7) penetrates through the inner surface of the connecting pipe (1) in a sliding mode and is connected with the corresponding clamping grooves (2) respectively, a first sealing ring (9) is fixed to the right end of the connecting pipe (1) in a reinforcing sleeve (10) through threads, and a second sealing ring (11) is fixed to the surface of the connecting pipe (10).

2. The high-tightness instrument tube part according to claim 1, wherein: the fixture blocks (7) are all arranged into trapezoidal blocks, four through holes (12) communicated with the inner wall of the connecting pipe (1) are formed in the annular groove (4) in an array mode in the circumferential direction, one surface of each through hole (12) is arranged into an inclined plane matched with the fixture block (7), and the fixture blocks (7) are respectively connected into the corresponding through holes (12) in a sliding mode.

3. The instrumentation tube of claim 1, wherein: four sliding openings (13) communicated with the outer wall of the connecting pipe (1) are formed in the annular groove (4) in an equal circumferential array mode, and the sliding blocks (5) are connected in the corresponding sliding openings (13) in a sliding mode.

4. The instrumentation tube of claim 1, wherein: the equal symmetry of internal surface of ring sheath (3) is fixed with two T type ring bodies (14), two T type annular (15) have been seted up to the equal symmetry of right-hand member of connecting pipe (1), T type ring body (14) sliding connection respectively is in corresponding T type annular (15).

5. The high-tightness instrument tube part according to claim 1, wherein: the left end of connecting pipe (1) all is fixed with locating piece (16), all set up constant head tank (17) with locating piece (16) looks adaptation on the right-hand member of connecting pipe (1) and first sealing washer (9), locating piece (16) sliding connection respectively is in corresponding constant head tank (17).

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