阅读说明：本技术 一种应用于喷淋降尘防护围栏上的自密封三通 (Be applied to self sealss tee bend that sprays on dust fall protection rail ) 是由 章国松 于 2020-12-30 设计创作，主要内容包括：本发明公开了一种应用于喷淋降尘防护围栏上的自密封三通,包括正六边形的棱柱体,棱柱体内成型有中心孔,棱柱体内中心孔的中部设有定阀板,定阀板的两侧边成型在棱柱体中心孔的内壁上；所述棱柱体一侧的外壁上成型有贯穿棱柱体内壁的阀孔,阀孔的两侧相对的外壁上成型有限位插槽,限位插槽外侧的棱柱体上成型有底部螺纹孔；所述棱柱体的阀孔内插接有圆柱环状的阀芯,阀芯的两侧壁上成型有导向条,导向条插接在棱柱体的限位插槽内,导向条的外端伸出棱柱体成型有轴套。(The invention discloses a self-sealing tee joint applied to a spraying dust-settling protection fence, which comprises a regular-hexagon prism, wherein a central hole is formed in the prism, a fixed valve plate is arranged in the middle of the central hole in the prism, and two side edges of the fixed valve plate are formed on the inner wall of the central hole of the prism; a valve hole penetrating through the inner wall of the prism is formed in the outer wall of one side of the prism, a limiting slot is formed in the outer wall of the valve hole, which is opposite to the outer wall of the prism, and a bottom threaded hole is formed in the prism outside the limiting slot; the valve hole of the prism is internally connected with a cylindrical annular valve core, guide strips are formed on two side walls of the valve core, the guide strips are inserted in limiting slots of the prism, and the outer ends of the guide strips extend out of the prism to form shaft sleeves.)

1. The utility model provides a be applied to self sealss tee bend that sprays on dust fall protection rail, prism (1) including regular hexagon, prism (1) internal shaping has centre bore (11), its characterized in that: the middle part of a central hole (11) in the prism body (1) is provided with a fixed valve plate (13), and two side edges of the fixed valve plate (13) are formed on the inner wall of the central hole (11) in the prism body (1); a valve hole (14) penetrating through the inner wall of the prism (1) is formed in the outer wall of one side of the prism (1), a limiting slot (15) is formed in the outer wall of the valve hole (14) opposite to the two sides of the outer wall, and a bottom threaded hole (16) is formed in the prism (1) outside the limiting slot (15); a cylindrical annular valve core (2) is inserted into a valve hole (14) of the prism body (1), guide strips (21) are formed on two side walls of the valve core (2), the guide strips (21) are inserted into limit slots (15) of the prism body (1), and the outer ends of the guide strips (21) extend out of the prism body (1) to form shaft sleeves (22);

the inner end surface of the valve core (2) is pressed against the fixed valve plate (13), and an external thread connecting sleeve is formed on the outer end surface of the valve core (2); the sealing end cover (3) is inserted and sleeved on the valve core (2), an external thread connecting sleeve on the valve core (2) is exposed out of the outer end face of the sealing end cover (3), the inner end face of the sealing end cover (3) is abutted against the outer wall of the prism body (1) and is formed with a guide groove (32) and a guide hole (33) which are opposite to the guide strip (21) and the shaft sleeve (22); a guide strip (21) and a shaft sleeve (22) on the valve core (2) are respectively inserted into a guide groove (32) and a guide hole (33) of the sealing end cover (3); a stepped hole (34) communicated with the guide hole (33) is formed in the outer end face of the sealing end cover (3), a bolt (4) is inserted into the stepped hole (34), and the bolt (4) penetrates through a shaft sleeve (22) of the valve core (2) and is screwed into a threaded hole (16) in the bottom of the prism body (1); a pressure spring (5) is inserted and sleeved on the bolt (4), and two ends of the pressure spring (5) are pressed on the shaft sleeve (22) and the sealing end cover (3) respectively.

2. The self-sealing tee applied to a spraying dust-settling protective fence as claimed in claim 1, wherein: the diameter of the outer wall of the valve core (2) is equal to that of an external thread connecting sleeve on the valve core (2), a positioning hole (31) is formed in the middle of the sealing end cover (3), the valve core (2) is inserted into the positioning hole (31) of the sealing end cover (3), and the positioning hole (31) is communicated with the guide groove (32).

3. The self-sealing tee applied to a spraying dust-settling protective fence as claimed in claim 1, wherein: the end face of the fixed valve plate (13) is flush with the inner end face of the valve core (2), an annular sealing groove is formed in the inner end face of the valve core (2), a sealing washer (6) is fixedly inserted in the sealing groove, and the sealing washer (6) is pressed on the fixed valve plate (13).

4. The self-sealing tee applied to a spraying dust-settling protective fence as claimed in claim 1, wherein: sealed grooves are formed in the inner walls of the valve hole (14) and the limiting slot (15) in the prism body (1), sealing rings (7) are inserted in the sealed grooves, and the sealing rings (7) are pressed against the outer walls of the valve core (2) and the guide strip (21).

5. The self-sealing tee applied to a spraying dust-settling protective fence as claimed in claim 1, wherein: the bolt (4) adopts an inner hexagon bolt, and the head of the bolt (4) is positioned in the sealing end cover (3).

6. The self-sealing tee applied to a spraying dust-settling protective fence as claimed in claim 1, wherein: and internal thread connecting holes (12) communicated with the central hole (11) are formed at two ends of the prism body (1).

7. The self-sealing tee applied to a spraying dust-settling protective fence as claimed in claim 1, wherein: the depth of the guide hole (33) in the sealing end cover (3) is equal to that of the guide groove (32), and the depth of the guide groove (32) is larger than the thickness of the shaft sleeve (22).

Technical Field

The invention relates to the technical field of dust-settling devices for buildings, in particular to a self-sealing tee joint applied to a spraying dust-settling protection fence.

Background

At present, dust can be generated in construction sites and construction processes such as municipal infrastructure construction, building construction and removal, equipment installation engineering, decoration and repair engineering and the like, wherein the dust generated by the municipal infrastructure construction is particularly serious, a construction fence can be built in the construction process, and a water sprinkling and dust settling device is arranged; the sprinkling dust-settling device comprises a plurality of sprinkling heads, sprinkling pipes, tee joints and a water inlet pipe, wherein the water inlet pipe is provided with a plurality of tee joints, the tee joints can be connected with the sprinkling pipes, and the tail ends of the sprinkling pipes are connected with the sprinkling heads; at the actual dust fall in-process that sprays, the shower head takes place the condition of blockking up, damaging easily, need maintain or change the shower head, change alone or maintain the shower head in-process, in order not to influence the normal work of other shower heads, require all to install the stop valve on the every shower, install the stop valve not only incremental cost on the every shower, still greatly increased the work load of watering dust device installation.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the self-sealing tee joint applied to the spraying dust-settling protection fence, and the self-sealing tee joint can replace a stop valve and a tee joint, so that the cost can be reduced, and the workload for installing the water spraying dust-settling device can be reduced.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a self-sealing tee joint applied to a spraying dust-settling protection fence comprises a regular-hexagon prism, wherein a central hole is formed in the prism, a fixed valve plate is arranged in the middle of the central hole in the prism, and two side edges of the fixed valve plate are formed on the inner wall of the central hole in the prism; a valve hole penetrating through the inner wall of the prism is formed in the outer wall of one side of the prism, a limiting slot is formed in the outer wall of the valve hole, which is opposite to the outer wall of the prism, and a bottom threaded hole is formed in the prism outside the limiting slot; a cylindrical annular valve core is inserted in a valve hole of the prism, guide strips are formed on two side walls of the valve core, the guide strips are inserted in limiting slots of the prism, and a shaft sleeve is formed by extending the outer ends of the guide strips out of the prism;

the inner end surface of the valve core is pressed on the fixed valve plate, and an external thread connecting sleeve is formed on the outer end surface of the valve core; the valve core is inserted and sleeved with a sealing end cover, an external thread connecting sleeve on the valve core is exposed out of the outer end face of the sealing end cover, and the inner end face of the sealing end cover is abutted against the outer wall of the prism and is formed with a guide groove and a guide hole which are opposite to the guide strip and the shaft sleeve; the guide strip and the shaft sleeve on the valve core are respectively inserted in the guide groove and the guide hole of the sealing end cover; a stepped hole communicated with the guide hole is formed in the outer end face of the sealing end cover, a bolt is inserted into the stepped hole, and the bolt penetrates through a shaft sleeve of the valve core and is screwed in a threaded hole at the bottom of the prism body; the bolt is sleeved with a pressure spring in an inserting mode, and two ends of the pressure spring are pressed on the shaft sleeve and the sealing end cover respectively.

Preferably, the diameter of the outer wall of the valve core is equal to that of the outer thread connecting sleeve on the valve core, a positioning hole is formed in the middle of the sealing end cover, the valve core is inserted into the positioning hole of the sealing end cover, and the positioning hole is communicated with the guide groove.

Preferably, the end face of the fixed valve plate is flush with the inner end face of the valve core, an annular sealing groove is formed in the inner end face of the valve core, a sealing gasket is fixedly inserted into the sealing groove, and the sealing gasket is pressed against the fixed valve plate.

Preferably, the prism upper valve hole and the inner wall of the limiting slot are both formed with sealing grooves, sealing rings are inserted in the sealing grooves, and the sealing rings are pressed against the outer walls of the valve core and the guide strip.

Preferably, the bolt is a hexagon socket head cap bolt, and the head of the bolt is positioned in the sealing end cover.

Preferably, two ends of the prism body are formed with internal thread connecting holes communicated with the central hole.

Preferably, the depth of the guide hole on the sealing end cover is equal to the depth of the guide groove, and the depth of the guide groove is greater than the thickness of the shaft sleeve.

The invention has the beneficial effects that: the self-sealing tee joint of its design can replace stop valve and tee joint, not only can reduce cost, can also alleviate the work load of watering dust device installation.

Drawings

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

FIG. 2 is a schematic view of a half-section of the present invention;

fig. 3 is an exploded view of the present invention.

In the figure: 1. a prism; 11. a central bore; 12. an internal thread connecting hole; 13. a valve plate; 14. a valve bore; 15. limiting slots; 16. a bottom threaded hole; 2. a valve core; 21. a guide strip; 22. a shaft sleeve; 3. sealing the end cap; 31. positioning holes; 32. a guide groove; 33. a guide hole; 34. a stepped bore; 4. a bolt; 5. a pressure spring; 6. a sealing gasket; 7. and (4) a sealing ring.

Detailed Description

Example (b): as shown in fig. 1 to 3, the self-sealing tee applied to the spraying dust-settling protection fence comprises a regular-hexagon prism 1, a central hole 11 is formed in the prism 1, a fixed valve plate 13 is arranged in the middle of the central hole 11 in the prism 1, and two side edges of the fixed valve plate 13 are formed on the inner wall of the central hole 11 in the prism 1; a valve hole 14 penetrating through the inner wall of the prism 1 is formed in the outer wall of one side of the prism 1, a limiting slot 15 is formed in the outer wall of two opposite sides of the valve hole 14, and a bottom threaded hole 16 is formed in the prism 1 outside the limiting slot 15; a cylindrical annular valve core 2 is inserted into a valve hole 14 of the prism 1, guide strips 21 are formed on two side walls of the valve core 2, the guide strips 21 are inserted into a limiting slot 15 of the prism 1, and the outer ends of the guide strips 21 extend out of the prism 1 to form shaft sleeves 22;

the inner end surface of the valve core 2 is pressed against the fixed valve plate 13, and an external thread connecting sleeve is formed on the outer end surface of the valve core 2; the valve core 2 is inserted and sleeved with the sealing end cover 3, an external thread connecting sleeve on the valve core 2 is exposed out of the outer end face of the sealing end cover 3, the inner end face of the sealing end cover 3 is abutted against the outer wall of the prism 1, and a guide groove 32 and a guide hole 33 which are opposite to the guide strip 21 and the shaft sleeve 22 are formed; the guide strip 21 and the shaft sleeve 22 on the valve core 2 are respectively inserted into the guide groove 32 and the guide hole 33 of the sealing end cover 3; a stepped hole 34 communicated with the guide hole 33 is formed in the outer end face of the sealing end cover 3, a bolt 4 is inserted into the stepped hole 34, and the bolt 4 penetrates through a shaft sleeve 22 of the valve core 2 and is screwed in a threaded hole 16 at the bottom of the prism 1; and a pressure spring 5 is inserted and sleeved on the bolt 4, and two ends of the pressure spring 5 are respectively pressed on the shaft sleeve 22 and the sealing end cover 3.

The diameter of the outer wall of the valve core 2 is equal to that of the external thread connecting sleeve on the valve core 2, the middle part of the sealing end cover 3 is formed with a positioning hole 31, the valve core 2 is inserted into the positioning hole 31 of the sealing end cover 3, and the positioning hole 31 is communicated with the guide groove 32.

The end face of the fixed valve plate 13 is flush with the inner end face of the valve core 2, an annular sealing groove is formed in the inner end face of the valve core 2, a sealing washer 6 is fixedly inserted into the sealing groove, and the sealing washer 6 is pressed on the fixed valve plate 13.

Sealed grooves are formed in the inner walls of the valve hole 14 and the limiting slot 15 in the prism body 1, sealing rings 7 are inserted in the sealed grooves, and the sealing rings 7 are pressed against the outer walls of the valve core 2 and the guide strip 21.

The bolt 4 adopts a hexagon socket head cap screw, and the head of the bolt 4 is positioned in the sealing end cover 3.

Two ends of the prism body 1 are formed with internal thread connecting holes 12 communicated with the central hole 11.

The depth of the guide hole 33 on the sealing end cover 3 is equal to the depth of the guide groove 32, and the depth of the guide groove 32 is larger than the thickness of the shaft sleeve 22.

The working principle is as follows: the invention is a self-sealing tee joint applied to a spraying dust-fall protection fence, which can have the functions of a tee joint and a stop valve, like the self-sealing tee joint shown in figure 1, a valve core 2 of the self-sealing tee joint is pressed against a fixed valve plate 13, namely the valve core 2 can not output water, so that a spray head can be detached from the self-sealing tee joint by flushing a spray pipe when being maintained, the spray pipe can cut off the water, and the self-sealing tee joint can also automatically seal the water;

when the connector on the spray pipe is screwed with the external thread connecting sleeve on the valve core 2, the valve core 2 can move outwards by continuously rotating after the connector abuts against the sealing end cover 3 in the screwing process, so that the valve core 2 is separated from the fixed valve plate 13, and the valve core 2 is communicated.

The examples are intended to illustrate the invention, but not to limit it. The described embodiments may be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the appended claims should be accorded the full scope of the invention as set forth in the appended claims.