CN211649181U - Silencing check valve - Google Patents

Silencing check valve Download PDF

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Publication number
CN211649181U
CN211649181U CN202020026769.1U CN202020026769U CN211649181U CN 211649181 U CN211649181 U CN 211649181U CN 202020026769 U CN202020026769 U CN 202020026769U CN 211649181 U CN211649181 U CN 211649181U
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CN
China
Prior art keywords
sealing
gasket
fixedly connected
outlet pipe
check valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020026769.1U
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Chinese (zh)
Inventor
杨金火
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiang'an Fire Fighting Technology Co ltd
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Xiang'an Fire Fighting Technology Co ltd
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Priority to CN202020026769.1U priority Critical patent/CN211649181U/en
Application granted granted Critical
Publication of CN211649181U publication Critical patent/CN211649181U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a noise elimination check valve, in particular to the technical field of check valves, which comprises a shell, wherein both sides of the shell are respectively and fixedly connected with a water inlet pipe and a water outlet pipe, the outer sides of the water inlet pipe and the water outlet pipe are respectively and fixedly connected with a first flange and a second flange, and a non-return mechanism is arranged in the shell; the non-return mechanism comprises a vertical rod, and a telescopic rod is fixedly connected to one side of the vertical rod. The utility model discloses an impact force messenger inlet tube department of utilization water is sealed to be lost, then utilize two push rods to make first gasket and second gasket remove from the seal groove, thereby make outlet pipe department sealed lose, then also driven first gasket and second gasket when the closing plate resets and reset, and first gasket and second gasket utilize first magnet and second magnet to adsorb fixedly, thereby make the outlet pipe seal, thereby utilize bilateral seal to increase sealed effect, be difficult for revealing.

Description

Silencing check valve
Technical Field
The utility model relates to a check valve technical field, concretely relates to noise elimination check valve.
Background
The check valve is a valve with a circular valve clack and acts by self weight and medium pressure to block the medium from flowing backwards. It belongs to the automatic valve category, also called check valve, reflux valve or isolation valve. The valve clack motion mode is divided into lifting type and swing type. The lift check valve is similar in structure to the stop valve and only lacks a valve rod that drives the valve flap. The medium flows in from the inlet end (lower side) and flows out from the outlet end (upper side). The valve is opened when the inlet pressure is greater than the sum of the weight of the flap and its flow resistance. Otherwise, the valve is closed when the medium flows backwards. Swing check valves have a flap that is tilted and can pivot, and operate on a similar principle to lift check valves. The check valve is commonly used as a bottom valve of a water pumping device and can prevent the backflow of water. The check valve and the stop valve are combined for use, and the safety isolation effect can be achieved.
The prior art has the following defects: the existing check valve still has the defects of insufficient sealing effect, easy leakage and backflow and inconvenient use if one-way sealing exists in the use process.
Therefore, it is necessary to invent a sound-damping check valve.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a noise elimination check valve, through utilizing the impact force of water to promote sealed pad and closing plate, thereby make the inlet tube department sealed lose, then utilize two push rods to promote two rotary rods respectively and rotate, thereby make first gasket and second gasket remove from the seal groove, thereby make outlet pipe department sealed lose, thereby make the utility model discloses can carry out water delivery, then also drive first gasket and second gasket to reset while the closing plate resets, and first gasket and second gasket utilize first magnet and second magnet to adsorb fixedly, thereby make the outlet pipe sealed, thereby utilize bilateral seal to increase sealed effect, difficult the leakage, and simple structure, be convenient for maintain, increase life, in order to solve in the prior art because there is one-way seal in the use, the insufficient sealing effect leads to the easy occurrence of leakage and backflow problems.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a silencing check valve comprises a shell, wherein a water inlet pipe and a water outlet pipe are fixedly connected to two sides of the shell respectively, a first flange and a second flange are fixedly connected to the outer sides of the water inlet pipe and the water outlet pipe respectively, and a check mechanism is arranged in the shell;
non return mechanism includes the montant, the montant is fixed to be located inside the casing, montant one side fixedly connected with telescopic link, telescopic link one side fixedly connected with closing plate, inlet tube one side is located to the closing plate, the equal fixedly connected with push rod in closing plate one side both ends, two push rod one end all is equipped with the rotary rod, two the inside pivot that all is equipped with of rotary rod, two the rotary rod is respectively through two pivots and montant swing joint, two rotary rod one end is first gasket of fixedly connected with and second gasket respectively, outlet pipe one side is all located to first gasket and second gasket, the seal groove has been seted up to outlet pipe one side, first gasket and second gasket and seal groove phase-match.
Furthermore, a torsion spring is fixedly arranged on the outer side of the rotating shaft and arranged between the vertical rod and the rotating rod, and two ends of the torsion spring are fixedly connected with the vertical rod and the rotating rod respectively.
Further, the sealing groove is communicated with the inside of the water outlet pipe.
Furthermore, one side of the sealing plate is fixedly connected with a sealing gasket, and the sealing gasket is in contact with one side of the water inlet pipe.
Furthermore, the inner sides of the first sealing sheet and the second sealing sheet are fixedly connected with a first magnet and a second magnet respectively.
Further, the push rod is in contact with the rotating rod.
Further, the sealing groove is provided in an arc shape.
The embodiment of the utility model provides a have following advantage:
the utility model discloses an impact force of utilizing water promotes sealed pad and closing plate to make inlet tube department sealed lose, then utilize two push rods to promote two rotary rods respectively and rotate, thereby make first gasket and second gasket remove from the seal groove, thereby make outlet pipe department sealed lose, thereby make the utility model discloses can carry out the water delivery, then also drive first gasket and second gasket and reset when the closing plate resets, and first gasket and second gasket utilize first magnet and second magnet to adsorb fixedly, thereby make the outlet pipe seal, thereby utilize bilateral seal to increase sealed effect, be difficult for revealing to simple structure, be convenient for maintain, increased life, compared with prior art, the utility model discloses make the progress on increasing the leakproofness.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of the overall structure provided by the present invention;
fig. 2 is a front view provided by the present invention;
fig. 3 is a partially enlarged view of the portion a in fig. 2 according to the present invention;
fig. 4 is a perspective view of the water outlet pipe provided by the present invention;
fig. 5 is a front view of the rotating shaft provided by the present invention;
in the figure: the water pump comprises a first flange 1, a water inlet pipe 2, a shell 3, a water outlet pipe 4, a second flange 5, a sealing gasket 6, a sealing plate 7, a push rod 8, a torsion spring 9, a rotating rod 10, a first sealing sheet 11, a second sealing sheet 12, a vertical rod 13, a spring 14, a telescopic rod 15, a first iron absorbing stone 16, a second iron absorbing stone 17, a sealing groove 18 and a rotating shaft 19.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.
Referring to the attached drawings 1-5 of the specification, the noise elimination check valve of the embodiment comprises a shell 3, wherein a water inlet pipe 2 and a water outlet pipe 4 are fixedly connected to two sides of the shell 3 respectively, a first flange 1 and a second flange 5 are fixedly connected to the outer sides of the water inlet pipe 2 and the water outlet pipe 4 respectively, and a check mechanism is arranged inside the shell 3;
the non-return mechanism comprises a vertical rod 13, the vertical rod 13 is fixedly arranged inside the shell 3, a telescopic rod 15 is fixedly connected to one side of the vertical rod 13, a sealing plate 7 is fixedly connected to one side of the telescopic rod 15, the sealing plate 7 is arranged on one side of the water inlet pipe 2, push rods 8 are fixedly connected to two ends of one side of the sealing plate 7, one ends of the two push rods 8 are respectively provided with a rotary rod 10, a rotary shaft 19 is arranged inside the two rotary rods 10, the two rotary rods 10 are respectively movably connected with the vertical rod 13 through the two rotary shafts 19, one ends of the two rotary rods 10 are respectively fixedly connected with a first sealing piece 11 and a second sealing piece 12, the first sealing piece 11 and the second sealing piece 12 are respectively arranged on one side of the water outlet pipe 4, a sealing groove 18 is formed in;
furthermore, a torsion spring 9 is fixedly arranged on the outer side of the rotating shaft 19, the torsion spring 9 is arranged between the vertical rod 13 and the rotating rod 10, and two ends of the torsion spring 9 are fixedly connected with the vertical rod 13 and the rotating rod 10 respectively, so that the resetting is facilitated;
furthermore, the sealing groove 18 is communicated with the inside of the water outlet pipe 4, so that the water is convenient to circulate;
furthermore, a sealing gasket 6 is fixedly connected to one side of the sealing plate 7, and the sealing gasket 6 is in contact with one side of the water inlet pipe 2;
furthermore, a first magnet 16 and a second magnet 17 are fixedly connected to the inner sides of the first sealing piece 11 and the second sealing piece 12 respectively, so that sealing is facilitated;
further, the push rod 8 is in contact with the rotating rod 10;
further, the sealing groove 18 is formed in an arc shape, so that sealing is facilitated.
The implementation scenario is specifically as follows: when the utility model is used, firstly, the utility model is connected and fixed through the first flange 1 and the second flange 5, then when water enters from the first flange 1, the sealing gasket 6 and the sealing plate 7 are pushed by the impact force of the water, the sealing plate 7 is made to compress the spring 14 and the telescopic rod 15 to move to one side, thereby the sealing of the water inlet pipe 2 is lost, thereby the circulation is performed, then the two push rods 8 are made to move to one side along with the sealing plate 7 by the movement of the second magnet 17, thereby the two push rods 8 are made to respectively push the two rotary rods 10, the two rotary rods 10 are respectively made to rotate by the two rotary shafts 19, thereby the two rotary rods 10 respectively drive the first sealing sheet 11 and the second sealing sheet 12 to rotate, thereby the first sealing sheet 11 and the second sealing sheet 12 are moved out from the sealing groove 18, thereby the sealing of the water outlet pipe 4 is lost, thereby make the utility model discloses can carry out the water delivery, then when water pressure crosses low water and flows back, can utilize the resilience force of telescopic link 15 to restore the normal position with closing plate 7, then also driven first gasket 11 and second gasket 12 when closing plate 7 resets and reset, and first gasket 11 and second gasket 12 utilize first magnet 16 and second magnet 17 to adsorb fixedly, thereby make outlet pipe 4 seal, thereby utilize bilateral seal to increase sealed effect, be difficult for revealing, and simple structure, the maintenance of being convenient for, and service life is increased, this embodiment has specifically solved the not good problem of unilateral seal among the prior art.
The working principle is as follows:
referring to the attached drawings 1-5 of the specification, the present invention is connected and fixed by a first flange 1 and a second flange 5, then when water enters from the first flange 1, the sealing gasket 6 and the sealing plate 7 are pushed by the impact force of the water, so that the sealing plate 7 compresses the spring 14 and the telescopic rod 15 to move to one side, thereby the sealing of the water inlet pipe 2 is lost, and the circulation is performed, then the two push rods 8 move to one side along with the sealing plate 7 by the movement of the second magnet 17, thereby the two push rods 8 push the two rotary rods 10 respectively, the two rotary rods 10 rotate by two rotating shafts 19 respectively, thereby the two rotary rods 10 drive the first sealing piece 11 and the second sealing piece 12 to rotate respectively, thereby the first sealing piece 11 and the second sealing piece 12 move out from the sealing groove 18, thereby the sealing of the water outlet pipe 4 is lost, thereby make the utility model discloses can carry out the water delivery, then cross low water at water pressure and when flowing back, can utilize the resilience force of telescopic link 15 to restore the normal position with closing plate 7, then also driven first gasket 11 and second gasket 12 when closing plate 7 resets and reset to first gasket 11 and second gasket 12 utilize first magnet 16 and second magnet 17 to adsorb fixedly, thereby make outlet pipe 4 seal.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (7)

1. A muffling check valve comprising a housing (3), characterized in that: a water inlet pipe (2) and a water outlet pipe (4) are respectively and fixedly connected to two sides of the shell (3), a first flange (1) and a second flange (5) are respectively and fixedly connected to the outer sides of the water inlet pipe (2) and the water outlet pipe (4), and a non-return mechanism is arranged in the shell (3);
the non-return mechanism comprises a vertical rod (13), the vertical rod (13) is fixedly arranged in the shell (3), a telescopic rod (15) is fixedly connected to one side of the vertical rod (13), a sealing plate (7) is fixedly connected to one side of the telescopic rod (15), the sealing plate (7) is arranged on one side of the water inlet pipe (2), push rods (8) are fixedly connected to two ends of one side of the sealing plate (7), rotary rods (10) are arranged at one ends of the two push rods (8), rotating shafts (19) are arranged in the two rotary rods (10), the two rotary rods (10) are movably connected with the vertical rod (13) through the two rotating shafts (19), one ends of the two rotary rods (10) are fixedly connected with a first sealing sheet (11) and a second sealing sheet (12) respectively, and the first sealing sheet (11) and the second sealing sheet (12) are arranged on one, a sealing groove (18) is formed in one side of the water outlet pipe (4), and the first sealing piece (11) and the second sealing piece (12) are matched with the sealing groove (18).
2. The muffling check valve of claim 1, wherein: the outer side of the rotating shaft (19) is fixedly provided with a torsion spring (9), the torsion spring (9) is arranged between the vertical rod (13) and the rotating rod (10), and two ends of the torsion spring (9) are fixedly connected with the vertical rod (13) and the rotating rod (10) respectively.
3. The muffling check valve of claim 1, wherein: the sealing groove (18) is communicated with the inside of the water outlet pipe (4).
4. The muffling check valve of claim 1, wherein: one side of the sealing plate (7) is fixedly connected with a sealing gasket (6), and the sealing gasket (6) is in contact with one side of the water inlet pipe (2).
5. The muffling check valve of claim 1, wherein: the inner sides of the first sealing sheet (11) and the second sealing sheet (12) are fixedly connected with a first magnet (16) and a second magnet (17) respectively.
6. The muffling check valve of claim 1, wherein: the push rod (8) is in contact with the rotating rod (10).
7. The muffling check valve of claim 1, wherein: the sealing groove (18) is arc-shaped.
CN202020026769.1U 2020-01-07 2020-01-07 Silencing check valve Expired - Fee Related CN211649181U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020026769.1U CN211649181U (en) 2020-01-07 2020-01-07 Silencing check valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020026769.1U CN211649181U (en) 2020-01-07 2020-01-07 Silencing check valve

Publications (1)

Publication Number Publication Date
CN211649181U true CN211649181U (en) 2020-10-09

Family

ID=72703767

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020026769.1U Expired - Fee Related CN211649181U (en) 2020-01-07 2020-01-07 Silencing check valve

Country Status (1)

Country Link
CN (1) CN211649181U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113063027A (en) * 2021-04-25 2021-07-02 津高阀门制造有限公司 Water hammer-proof check valve
CN115038900A (en) * 2020-01-31 2022-09-09 法国电力公司 Retaining device for a flap of a non-return valve and method for positioning the device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115038900A (en) * 2020-01-31 2022-09-09 法国电力公司 Retaining device for a flap of a non-return valve and method for positioning the device
CN113063027A (en) * 2021-04-25 2021-07-02 津高阀门制造有限公司 Water hammer-proof check valve

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201009

CF01 Termination of patent right due to non-payment of annual fee