CN211525619U

CN211525619U - Copper-plastic composite vertical silencing check valve

Info

Publication number: CN211525619U
Application number: CN201922259866.5U
Authority: CN
Inventors: 吴敬文; 洪雅敏; 吴宝强; 龚丽云
Original assignee: Derris Valve Technology Co ltd
Current assignee: Derris Valve Technology Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-09-18
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses a copper-plastic composite vertical noise elimination check valve, the structure of which comprises a valve body, a first flange and a second flange, the utility model has the following beneficial effects that the connecting device is respectively arranged at the left part and the right part of the top end of the second flange, the connecting device is pressed into an embedded groove through an embedding rod, in the process, the embedding rod is continuously embedded into the embedded groove through the rotation of a contact pressing plate under the action of a rotating piece, and the spring provides elastic supporting force for the pressing plate so as to improve the stable effect; and set up the obturator between first flange inner closure and hold-down mechanism bottom, move down through the gland continuously, insert the ring and put into the peripheral slot inner wall department in ring seat top until gland bottom periphery, and the elasticity packing force that the bump that inserts the ring bottom and set up provided has reached and has add and establish the hold-down part in order to improve the airtight beneficial effect of water proof.

Description

Copper-plastic composite vertical silencing check valve

Technical Field

The utility model belongs to the technical field of the check valve, in particular to compound vertical noise elimination check valve is moulded to copper.

Background

The check valve is a valve with a round valve clack and acts by self weight and medium pressure to block the medium from flowing backwards, belongs to the automatic valve class, and is also called a check valve, a one-way valve, a backflow valve or an isolation valve;

the vertical silencing check valve is a valve which automatically opens and closes a valve clack depending on the flowing of a medium and is used for preventing the medium from flowing backwards, and is also called a check valve, a one-way valve, a silencing check valve backflow valve and a back pressure valve;

copper-plastic compounding, namely, a copper water pipe and PP-R are formed by hot-melt extrusion gluing, for example: the copper-plastic pipe is formed by sequentially adopting a first PP-R pipe layer, a copper pipe layer and a second PP-R pipe layer from inside to outside through hot melting, extrusion and gluing;

however, the operation that this check valve of prior art neotype was maintained and was changed is convenient not enough to it is not good to carry out the airtight effect of water proof when using.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, now provide a compound vertical noise elimination check valve is moulded to copper to solve this check valve and maintain the operation of changing convenient inadequately, and carry out the airtight effect not good problem of water proof when using, through setting up the beneficial effect of removable part so that the maintenance, and add and establish and compress tightly the part in order to improve the airtight beneficial effect of water proof.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a copper-plastic composite vertical type noise elimination check valve, which comprises a valve body, a first flange, a second flange, a connecting device, a pressing mechanism and a sealing device, wherein the peripheries of the two ends at the top and the bottom of the valve body are respectively welded with the second flange and the first flange, the top end of the second flange is fixedly connected with the connecting device, the upper end at the inner side of the connecting device is welded with the pressing mechanism, the bottom end of the pressing mechanism is fixedly connected with the sealing device, the inner wall of the first flange is fixedly connected with the sealing device, the connecting device comprises an embedded groove, a rotating piece, a first pressing plate, a spring, an embedded rod and a fixing piece, the upper end at the outer side of the inner wall of the embedded groove is rotatably connected with the rotating piece, the bottom end at the inner side of the rotating piece is rotatably connected with the first pressing plate, the spring is arranged between the lower end at, put into the pole surface outside and embedded groove inner wall swing joint, both ends are provided with the embedded groove respectively about second flange top inboard, the mounting runs through puts into pole top end both ends to the mounting with put into pole threaded connection, second flange top and mounting threaded connection to put into the pole and pass through mounting and second flange fixed connection.

Further, the sealing device comprises a ring seat, a slot, an inserting ring, a gland and a bump, wherein the slot is arranged in the middle section of the top end of the ring seat, the inner wall of the slot is movably connected with the inserting ring, the top end of the inserting ring is welded with the middle section of the bottom end of the gland, the lower part of the outer surface of the inserting ring is fixedly connected with the bump, the middle part of the bottom end of the pressing mechanism is welded with the gland, and the upper end of the inner wall of the first flange is welded with the ring.

Further, hold-down mechanism includes rod cover, threaded rod, dwang, second clamp plate, elastic component and depression bar, the threaded rod runs through rod cover top middle part to rod cover and threaded rod threaded connection, about the threaded rod top two respectively with the dwang welding, the fixed embedding second clamp plate top middle part of threaded rod to the threaded rod passes through the bearing and rotates with the second clamp plate to be connected, rod cover inner wall about both ends upper portion respectively with second clamp plate sliding connection, second clamp plate bottom and elastic component fixed connection, elastic component bottom and depression bar top fixed connection to depression bar surface upper portion and rod cover inner wall swing joint, depression bar bottom middle part and gland welding.

Furthermore, the inner wall of the embedded groove is embedded with the outer side of the outer surface of the embedded rod.

Furthermore, the inner wall of the slot is embedded with the lower part of the outer surface of the insert ring.

Furthermore, a rubber layer is arranged in the middle of the outer surface of the rotating rod, and the middle of the outer surface of the rubber layer is rough.

Furthermore, guide grooves are respectively formed in the upper portions of the left end and the right end of the inner wall of the rod sleeve, guide blocks are respectively arranged in the middle of the left end and the right end of the second pressing plate, and the inner wall of each guide groove is embedded with the outer surface of each guide block.

Furthermore, the salient points are made of rubber.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1) the problem of the operation of changing is not convenient enough for solving this check valve and maintaining, through two parts do not set up connecting device about second flange top, in the middle of the embedded groove is impressed to through putting into the pole, in the middle of this process, rotate under the action of rotating through the contact clamp plate, make to put into the pole and continuously put into the embedded groove inside, and the spring provides the elastic support power to the clamp plate, in order to improve stable effect, again by the mounting to putting into the pole carry out the spiral shell admittedly can, reached through setting up removable part so that the beneficial effect of maintenance.

2) The airtight not good problem of effect of water proof when solving to use, through set up the closing device in first flange between closed and hold-down mechanism bottom, move down through the gland lasts, until the outlying ring of inserting of gland bottom puts into the outlying slot inner wall department in ring receptacle top, and the elasticity packing force that the bump that inserts the ring bottom and set up provided, reached and add to establish compressing part in order to improve the airtight beneficial effect of water proof.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the internal partial structure A of the present invention;

FIG. 4 is a schematic view of the connecting device of the present invention;

FIG. 5 is a schematic structural view of the sealing device of the present invention;

in the figure: the valve comprises a valve body-1, a first flange-2, a second flange-3, a connecting device-4, a pressing mechanism-5, a sealing device-6, an embedded groove-41, a rotating piece-42, a first pressure plate-43, a spring-44, an embedded rod-45, a fixing piece-46, a rod sleeve-51, a threaded rod-52, a rotating rod-53, a second pressure plate-54, an elastic piece-55, a pressure rod-56, a ring seat-61, a slot-62, an insert ring-63, a gland-64 and a salient point-65.

Detailed Description

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a copper-plastic composite vertical silencing check valve: the valve comprises a valve body 1, a first flange 2, a second flange 3, a connecting device 4, a pressing mechanism 5 and a sealing device 6, wherein the peripheries of the two ends of the top and the bottom of the valve body 1 are respectively welded with the second flange 3 and the first flange 2, the top end of the second flange 3 is fixedly connected with the connecting device 4, the upper end of the inner side of the connecting device 4 is welded with the pressing mechanism 5, the bottom end of the pressing mechanism 5 is fixedly connected with the sealing device 6, the inner wall of the first flange 2 is fixedly connected with the sealing device 6, the connecting device 4 comprises an embedded groove 41, a rotating piece 42, a first pressing plate 43, a spring 44, an embedded rod 45 and a fixing piece 46, the upper end of the outer side of the inner wall of the embedded groove 41 is rotatably connected with the rotating piece 42, the bottom end of the inner side of the rotating piece 42 is rotatably connected with the first pressing plate 43, a spring 44 is arranged between, put into pole 45 surface outside and embedded groove 41 inner wall swing joint, both ends are provided with embedded groove 41 respectively about the inboard of second flange 3 top, and mounting 46 runs through and puts into pole 45 top both ends to mounting 46 with put into pole 45 threaded connection, second flange 3 top and mounting 46 threaded connection, and put into pole 45 and pass through mounting 46 and second flange 3 fixed connection.

Wherein, closing device 6 includes ring seat 61, slot 62, inserts ring 63, gland 64 and bump 65, ring seat 61 top middle section is provided with slot 62, slot 62 inner wall with insert ring 63 swing joint, insert ring 63 top and gland 64 bottom middle section welding, insert ring 63 surface lower part and bump 65 fixed connection, 5 bottom middle parts of hold-down mechanism weld with

gland

64, 2 inner wall upper ends of first flange and ring seat 61 welding establish the hold-down part according to the aforesaid with improving the inclosed beneficial effect of water proof.

Wherein, the pressing mechanism 5 comprises a rod sleeve 51, a threaded rod 52, a rotating rod 53, a second pressing plate 54, an elastic piece 55 and a pressing rod 56, the threaded rod 52 penetrates through the middle part of the top end of the rod sleeve 51, and the rod sleeve 51 is connected with the threaded rod 52 by screw thread, the left and right parts of the top end of the threaded rod 52 are respectively welded with the rotating rod 53, the threaded rod 52 is fixedly embedded in the middle part of the top end of the second pressing plate 54, the threaded rod 52 is rotatably connected with the second pressing plate 54 through a bearing, the upper parts of the left and right ends of the inner wall of the rod sleeve 51 are respectively connected with the second pressing plate 54 in a sliding way, the bottom end of the second pressure plate 54 is fixedly connected with an elastic piece 55, the bottom end of the elastic piece 55 is fixedly connected with the top end of a pressure rod 56, and the upper part of the outer surface of the pressure lever 56 is movably connected with the inner wall of the lever sleeve 51, and the middle part of the bottom end of the pressure lever 56 is welded with the gland 64, so that the pressure adjusting effect is provided, and the practicability is improved.

The inner wall of the embedded groove 41 is embedded with the outer side of the outer surface of the embedded rod 45, and the degree of engagement between the inner wall of the embedded groove 41 and the outer side of the outer surface of the embedded rod 45 is improved according to the above, so that the stability is improved.

The inner wall of the slot 62 and the lower part of the outer surface of the insert ring 63 are mutually embedded, and the sealing effect is improved by improving the fitting degree between the inner wall of the slot 62 and the lower part of the outer surface of the insert ring 63.

Wherein, dwang 53 surface middle part is provided with the rubber layer to rubber layer surface middle part is crude, has increased frictional force according to the aforesaid, prevents that the hand from skidding.

Guide grooves are respectively formed in the upper portions of the left end and the right end of the inner wall of the rod sleeve 51, guide blocks are respectively arranged in the middle portions of the left end and the right end of the second pressing plate 54, the inner wall of each guide groove is embedded with the outer surface of each guide block, and the degree of engagement between the inner wall of each guide groove and the outer surface of each guide block is improved according to the above to reduce shaking.

The salient points 65 are made of rubber, have certain elasticity and are wear-resistant.

The working principle is as follows: firstly, taking out the vertical silencing check valve compounded by copper and plastic and placing the vertical silencing check valve at a proper position;

then, before use, the rotating rod 53 at the pressing mechanism 5 is grasped and attached by a hand, the rotating force is applied to drive the threaded rod 52 to rotate at the rod sleeve 51, the top end of the second pressing plate 54 rotates through a bearing, the second pressing plate 54 is driven to stably move downwards at the inner wall of the rod sleeve 51, the acting force is applied to the elastic part 55, and the pressure is increased to the sealing device 6 through the pressing rod 56;

then, after the adjustment is completed, the copper-plastic composite vertical type silencing check valve is installed outside the first flange 2 and the second flange 3 for use, the sealing device 6 arranged between the inner closure of the first flange 2 and the bottom end of the pressing mechanism 5 continuously moves downwards through the pressing cover 64 until the inserting ring 63 on the periphery of the bottom end of the pressing cover 64 is placed in the inner wall of the inserting groove 62 on the periphery of the top end of the ring seat 61, the elastic pressing force provided by the salient points 65 arranged on the bottom end of the inserting ring 63 achieves the beneficial effect of additionally arranging the pressing part to improve water-proof sealing, and the valve can be opened to carry out water-passing operation after being impacted to the pressing cover 64 by external water pressure;

finally, through the connecting device 4 that two parts do not set up about second flange 3 top, in the middle of the embedded groove 41 is impressed through putting into pole 45, in the middle of this process, rotate under rotating the effect of piece 42 through contacting first clamp plate 43, make to put into pole 45 and continuously put into embedded groove 41 inside, and spring 44 provides elastic support power to first clamp plate 43, in order to improve stable effect, again by the mounting 46 opposite income pole 45 carry out the spiral shell admittedly can, reached through setting up removable part so that the beneficial effect of maintenance, can make things convenient for follow-up dismantlement maintenance.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A copper-plastic composite vertical silencing check valve comprises a valve body (1), a first flange (2), a second flange (3) and a pressing mechanism (5), wherein the peripheries of the top and bottom ends of the valve body (1) are respectively welded with the second flange (3) and the first flange (2), the top end of the second flange (3) is fixedly connected with a connecting device (4), the upper end of the inner side of the connecting device (4) is welded with the pressing mechanism (5), the bottom end of the pressing mechanism (5) is fixedly connected with a sealing device (6), and the inner wall of the first flange (2) is fixedly connected with the sealing device (6);

the method is characterized in that: still include connecting device (4) and closing device (6), connecting device (4) include embedded groove (41), rotate piece (42), first clamp plate (43), spring (44), put into pole (45) and mounting (46), embedded groove (41) inner wall outside upper end rotates with rotation piece (42) to be connected, rotate piece (42) inboard bottom and rotate with first clamp plate (43) to be connected, be provided with spring (44) between first clamp plate (43) inboard lower extreme and embedded groove (41) to spring (44) respectively with first clamp plate (43) and embedded groove (41) fixed connection, put into pole (45) surface outside and embedded groove (41) inner wall swing joint, both ends are provided with embedded groove (41) respectively about second flange (3) top inboard, mounting (46) run through and put into pole (45) top bottom both ends, and the fixing piece (46) is in threaded connection with the placing rod (45), the top end of the second flange (3) is in threaded connection with the fixing piece (46), and the placing rod (45) is fixedly connected with the second flange (3) through the fixing piece (46).

2. The copper-plastic composite vertical silencing check valve of claim 1, characterized in that: the sealing device (6) comprises a ring seat (61), a slot (62), an inserting ring (63), a gland (64) and a salient point (65), wherein the slot (62) is arranged in the middle section of the top end of the ring seat (61), the inner wall of the slot (62) is movably connected with the inserting ring (63), the top end of the inserting ring (63) is welded with the middle section of the bottom end of the gland (64), the lower part of the outer surface of the inserting ring (63) is fixedly connected with the salient point (65), the middle part of the bottom end of a pressing mechanism (5) is welded with the gland (64), and the upper end of the inner wall of a first flange (2) is welded with the ring seat (61.

3. The copper-plastic composite vertical silencing check valve of claim 1, characterized in that: the pressing mechanism (5) comprises a rod sleeve (51), a threaded rod (52), a rotating rod (53), a second pressing plate (54), an elastic part (55) and a pressing rod (56), the threaded rod (52) penetrates through the middle of the top end of the rod sleeve (51), the rod sleeve (51) is in threaded connection with the threaded rod (52), the left portion and the right portion of the top end of the threaded rod (52) are respectively welded with the rotating rod (53), the threaded rod (52) is fixedly embedded into the middle of the top end of the second pressing plate (54), the threaded rod (52) is in rotary connection with the second pressing plate (54) through a bearing, the upper portions of the left end and the right end of the inner wall of the rod sleeve (51) are respectively in sliding connection with the second pressing plate (54), the bottom end of the second pressing plate (54) is fixedly connected with the elastic part (55), the bottom end of the elastic part (55) is fixedly connected with the top end of the pressing rod (56), the middle part of the bottom end of the pressure lever (56) is welded with the gland (64).

4. The copper-plastic composite vertical silencing check valve of claim 1, characterized in that: the inner wall of the embedded groove (41) is embedded with the outer side of the outer surface of the embedded rod (45).

5. The copper-plastic composite vertical silencing check valve of claim 2, characterized in that: the inner wall of the slot (62) is mutually embedded with the lower part of the outer surface of the insert ring (63).

6. The copper-plastic composite vertical silencing check valve of claim 3, characterized in that: the middle part of the outer surface of the rotating rod (53) is provided with a rubber layer, and the middle part of the outer surface of the rubber layer is rough.

7. The copper-plastic composite vertical silencing check valve of claim 3, characterized in that: guide grooves are respectively formed in the upper portions of the left end and the right end of the inner wall of the rod sleeve (51), guide blocks are respectively arranged in the middle portions of the left end and the right end of the second pressing plate (54), and the inner walls of the guide grooves are mutually embedded with the outer surfaces of the guide blocks.