CN209262331U - A kind of Wafer Check Valves of novel built-in type anti-rotation anti-loose structure - Google Patents

Abstract

The utility model discloses a kind of Wafer Check Valves of novel built-in type anti-rotation anti-loose structure, including check valve body, water inlet, water outlet, flap, cross bar, torque spring, two-way retainer nut, lateral locking plate, link block, insert formula locating rack and longitudinal latch, the side of the check valve body offers water inlet, the other side of the check valve body offers water outlet, flap is provided on the middle part inner wall of the check valve body, the check valve body, which is located to be symmetrically welded on the both ends inner wall of flap side, is fixed with slotting formula locating rack；The check-valves, it is ensured that flap keeps balance under any pressure and switch motion, is not in the leakage phenomenon of the appearance such as loosening, the displacement of sealing element, makes the more reliable and more stable of valve tightness；The sealing surface of junction does not have any damage, ensure that effective sealing area, improves the reliability of sealing；Without using special assembling tool, it can complete installation.

Description

A kind of Wafer Check Valves of novel built-in type anti-rotation anti-loose structure

Technical field

The utility model relates to check-valves technical field, specially a kind of wafer type of novel built-in type anti-rotation anti-loose structure Check-valves.

Background technique

Check-valves refers to opening and closing element for round flap and by own wt and pressure medium generation movement to block medium to fall A kind of valve of stream.Belong to automatic valve class, also known as non-return valve, check valve, return valve or isolating valve；Flap motion mode is divided into lifting Formula and swing type；The design structure of built-in type opposite clip formula check-valves currently on the market is semicircular to mill on connecting flange faces Slot structure is compressed, this structure processes effective sealing area that is cumbersome and at high cost, and occupying connection sealing surface, to hold It easily leads to connection sealing surface easily to leak, and the connection structure of flap is easy to produce rotation or loosening in use, influences The closure in later period；Influence the use of check-valves.

Utility model content

The purpose of this utility model is to provide a kind of Wafer Check Valves of novel built-in type anti-rotation anti-loose structure, with solution Certainly the problems mentioned above in the background art.

In order to solve the above-mentioned technical problem, the utility model provides the following technical solutions: a kind of novel built-in type anti-rotation is anti- The Wafer Check Valves of loose structure, including check valve body, water inlet, water outlet, flap, cross bar, torque spring, two-way stop Nut, link block, inserts formula locating rack and longitudinal latch at lateral locking plate, and the side of the check valve body is offered into water Mouthful, the other side of the check valve body offers water outlet, is provided with flap on the middle part inner wall of the check valve body, institute It states check valve body and is located to be symmetrically welded on the both ends inner wall of flap side and be fixed with slotting formula locating rack, outside the top of the flap Distribution is staggeredly welded with link block on wall two sides, and perforation offers through-hole on the side outer wall of the link block, and logical Through there is cross bar, the slotting formula locating rack side welded on the both ends of the cross bar and check valve body two sides inner wall is passed through for the inside in hole Connection is worn, is run through on the two sides inner wall of the slotting formula locating rack by the side outer wall at the both ends of longitudinal latch and cross bar and is connected It connects, the slotting formula locating rack on the inner wall of the check valve body two sides is located above cross bar two sides through being connected with two-way stop spiral shell Mother, the slotting formula locating rack, which is located on cross bar and the middle part outer wall of two-way retainer nut, is welded with lateral locking plate, described Cross bar is socketed with torque spring on the outer wall between link block, the two sides outer wall of one end of the torque spring and cross bar around It connects, the other end of the torque spring and the top outer wall of flap are clamped.

Further, the slotting formula locating rack is weldingly fixed on the two sides inner wall of water outlet, and inserting formula locating rack is in n Shape.

Further, the outer profile of the flap and the middle part inner wall outer profile of check valve body agree with, the flap Gasket is fitted on the outer wall of bottom end.

Further, the number of the link block is four, and link block is staggeredly weldingly fixed on the top two sides of flap On outer wall.

Further, the cross bar and the corresponding both ends of slotting formula locating rack are provided with longitudinal latch.

Compared with prior art, the utility model beneficial effect achieved is: the utility model, it is ensured that flap exists Balance is kept under any pressure and switch motion, never be will appear the leakage phenomenon of the appearance such as loosening, the displacement of sealing element, is made valve Door sealing performance it is more reliable and more stable, the sealing surface of junction does not have any damage, ensure that effective sealing area, improves The reliability of sealing；Without using special assembling tool in check-valves assembling process, it can complete installation, improve production Efficiency.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 is the side view cutting structural schematic diagram of the utility model；

Fig. 2 is the vertical view cutting structural schematic diagram of the utility model；

In figure: 1, check valve body；2, water inlet；3, water outlet；4, flap；5, cross bar；6, torque spring；7, two-way to stop Dynamic nut；8, lateral locking plate；9, link block；10, formula locating rack is inserted；11, longitudinal latch.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of pair of novel built-in type anti-rotation anti-loose structure Clip check-valves, including check valve body 1, water inlet 2, water outlet 3, flap 4, cross bar 5, torque spring 6, two-way retainer nut 7, lateral locking plate 8, link block 9, slotting formula locating rack 10 and longitudinal latch 11, the side of check valve body 1 is offered into water Mouth 2, the other side of check valve body 1 offers water outlet 3, is provided with flap 4, non-return on the middle part inner wall of check valve body 1 Valve body 1, which is located to be symmetrically welded on the both ends inner wall of 4 side of flap, is fixed with slotting formula locating rack 10, the top outer wall two of flap 4 Distribution is staggeredly welded with link block 9 on side, and perforation offers through-hole on the side outer wall of link block 9, and through-hole is interior Portion is through there is cross bar 5, and slotting 10 side of formula locating rack welded on the both ends of cross bar 5 and 1 two sides inner wall of check valve body is through company It connects, inserts and connection is run through by longitudinal latch 11 and the side outer wall at the both ends of cross bar 5 on the two sides inner wall of formula locating rack 10, only The slotting formula locating rack 10 returned on 1 two sides inner wall of valve body is located at 5 top two sides of cross bar through two-way retainer nut 7 is connected with, and inserts Formula locating rack 10, which is located on cross bar 5 and the middle part outer wall of two-way retainer nut 7, is welded with lateral locking plate 8, and cross bar 5 is located at Torque spring 6, one end of torque spring 6 and the two sides outer wall solderless wrapped connection of cross bar 5, torsion are socketed on outer wall between link block 9 The other end of spring 6 and the top outer wall of flap 4 are clamped；Formula locating rack 10 is inserted to be weldingly fixed on the two sides inner wall of water outlet 3, And inserting formula locating rack 10 is in n shape, which makes whole connection structure be located at the inside of check valve body 1, avoids traditional The problem of check-valves cross bar 5 and two-way retainer nut 7 extend through inside from outer wall, and junction is easy leak；The outer profile of flap 4 Agree with the middle part inner wall outer profile of check valve body 1, is fitted with gasket on the bottom end outer wall of flap 4, makes flap 4 and non-return 1 inner wall of valve body fits closely the generation for avoiding leak when connecting；The number of link block 9 is four, and 9 zigzag weld of link block It connects on the top two sides outer wall for being fixed on flap 4, connect cross bar 5 with flap 4 and more fasten；Cross bar 5 and slotting 10 phase of formula locating rack Corresponding both ends are provided with longitudinal latch 11, carry out the fixation of lengthwise position to cross bar 5 by longitudinal latch 11, thus Avoid the rotation or loosening of 4 position of later period flap；The Wafer Check Valves of the novel built-in type anti-rotation anti-loose structure is processed Journey, first valve body are processed with machine tool, are not necessarily to dedicated positioning fixture, and vehicle slot at valve body vehicle is welded to slotting formula locating rack 10 In valve body, cross bar 5 is inserted into formula locating rack 10 and is automatically positioned centering, then with two-way retainer nut 7,11 and of longitudinal latch Lateral 8 lock pillar cross bar 5 of locking plate inserts formula locating rack 10, torque spring 6 and flap 4；The structure can guarantee flap 4 any Balance is kept under pressure and switch motion, never be will appear the leakage phenomenon of the appearance such as loosening, the displacement of sealing element, is kept valve close Sealing property it is more reliable and more stable, the sealing surface of junction does not have any damage, ensure that effective sealing area, improves sealing Reliability；Woth no need to special assembling tool, it can complete installation, and production efficiency and economic benefit are good.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of Wafer Check Valves of novel built-in type anti-rotation anti-loose structure, including check valve body (1), water inlet (2), go out The mouth of a river (3), flap (4), cross bar (5), torque spring (6), two-way retainer nut (7), lateral locking plate (8), link block (9), Insert formula locating rack (10) and longitudinal latch (11), it is characterised in that: the side of the check valve body (1) offers water inlet (2), the other side of the check valve body (1) offers water outlet (3), sets on the middle part inner wall of the check valve body (1) It is equipped with flap (4), the check valve body (1), which is located on the both ends inner wall of flap (4) side, is symmetrically welded that be fixed with slotting formula fixed Position frame (10), distribution is staggeredly welded with link block (9) on the top outer wall two sides of the flap (4), the link block (9) Side outer wall on perforation offer through-hole, and the inside of through-hole is through having cross bar (5), the both ends of the cross bar (5) with only Slotting formula locating rack (10) side welded is gone back on the inner wall of valve body (1) two sides through connection, the two of the slotting formula locating rack (10) By the side outer wall at longitudinal latch (11) and the both ends of cross bar (5) through connection, the check valve body (1) on the inner wall of side Slotting formula locating rack (10) on the inner wall of two sides is located above cross bar (5) two sides through being connected with two-way retainer nut (7), described to insert Formula locating rack (10), which is located on cross bar (5) and the middle part outer wall of two-way retainer nut (7), is welded with lateral locking plate (8), The cross bar (5), which is located on the outer wall between link block (9), is socketed with torque spring (6), one end of the torque spring (6) with The two sides outer wall solderless wrapped connection of cross bar (5), the other end of the torque spring (6) and the top outer wall of flap (4) are clamped.

2. a kind of Wafer Check Valves of novel built-in type anti-rotation anti-loose structure according to claim 1, it is characterised in that: The slotting formula locating rack (10) is weldingly fixed on the two sides inner wall of water outlet (3), and inserting formula locating rack (10) is in n shape.

3. a kind of Wafer Check Valves of novel built-in type anti-rotation anti-loose structure according to claim 1, it is characterised in that: The outer profile of the flap (4) agrees with the middle part inner wall outer profile of check valve body (1), the bottom end outer wall of the flap (4) On be fitted with gasket.

4. a kind of Wafer Check Valves of novel built-in type anti-rotation anti-loose structure according to claim 1, it is characterised in that: The number of the link block (9) is four, and link block (9) is staggeredly weldingly fixed on the top two sides outer wall of flap (4).

5. a kind of Wafer Check Valves of novel built-in type anti-rotation anti-loose structure according to claim 1, it is characterised in that: The cross bar (5) and the corresponding both ends of slotting formula locating rack (10) are provided with longitudinal latch (11).