CN217951375U - Check valve convenient to installation - Google Patents

Abstract

The utility model discloses a check valve convenient to installation, which comprises a valve body, the both ends difference fixedly connected with inlet tube and the outlet pipe of valve body, the equal fixedly connected with mounting flange of side surface of inlet tube and outlet pipe, mounting flange's side surface swing joint has the card to decide the ring, the inner wall of valve body articulates there is the valve disc. The utility model discloses put the valve body between two sections pipelines, make two mounting flanges respectively with pipeline flange joint, make the card ring hold mounting flange and pipeline flange simultaneously with card ring outside slip, block valve body and pipeline, make the installation need not to hold in the palm the valve body with the hand always, liberation constructor's both hands, the card effect through the card ring makes mounting flange and pipeline flange can aim at simultaneously, improve the accuracy of installation, constructor only need rotate the valve body and make mounting flange hole and pipeline flange's flange pore pair, the installation can be accomplished to the screw in bolt, the installation is simple swift.

Description

Check valve convenient to installation

Technical Field

The utility model relates to a check valve technical field specifically is a check valve convenient to installation.

Background

The check valve is also called a check valve, a one-way valve, a reverse flow valve and a back pressure valve, and is a valve of which the opening and closing part is a circular valve clack and acts by the self weight and the medium pressure to block the medium from flowing backwards, and the check valve is combined with the stop valve to play a role in safety isolation.

When the personnel install the check valve in the middle of two sections unsettled pipelines, the staff need support the check valve on one side, aim at check valve flange and pipeline flange department on one side, make its alignment through rotating flange hole, and the installation needs personnel to lift the check valve all the time, causes the installation more difficultly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a check valve convenient to installation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a check valve convenient to installation, includes the valve body, the both ends difference fixedly connected with inlet tube and the outlet pipe of valve body, the equal fixedly connected with mounting flange of side surface of inlet tube and outlet pipe, mounting flange's side surface swing joint has the card to decide the ring, the inner wall of valve body articulates there is the valve disc, the side surface fixedly connected with of valve disc is sealed to fill up, the spout has been seted up to the side surface of card decides the ring, mounting flange's side surface fixedly connected with card decides the post.

As a preferred scheme of the utility model, the movable joint of card fixed post is at the inner wall of spout, the movable cover of card fixed ring is established on the mounting flange side surface.

As a preferred scheme of the utility model, the valve body inner wall is seted up flutedly, recess inner wall fixedly connected with fixed plate, fixed plate side surface fixedly connected with articulated shaft, articulated shaft side surface movable sleeve is equipped with the sleeve pipe, sleeve pipe side surface fixedly connected with connecting rod, and valve disc and connecting rod lower extreme fixed connection.

As an optimized scheme of the utility model, sealed draw-in groove has been seted up to the valve body inner wall, valve disc and sealed the pad activity joint respectively are at sealed draw-in groove inner wall.

As an optimal scheme of the utility model, valve body, inlet tube, outlet pipe and valve disc are all made through stainless steel material, sealed pad is made through silica gel material.

As an optimized scheme of the utility model, the quantity of clamping post and spout is a plurality of, the width of clamping ring slightly is less than mounting flange's width.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses put the valve body between two sections pipelines, make two mounting flanges respectively with pipeline flange joint, slide the card ring outwards and make the card ring cover mounting flange and pipeline ring flange respectively simultaneously, block valve body and pipeline, make the installation process need not to hold in the palm the valve body with the hand always, liberation constructor's both hands, simultaneously through the card effect of card ring the card makes mounting flange and pipeline flange align, improve the accuracy of installation, constructor only need rotate the valve body and make mounting flange hole align with the flange hole of pipeline flange, the installation can be accomplished to the screw in bolt, the installation process is simple and fast;

2. the utility model discloses still can improve the non return effect of valve body in sealed draw-in groove simultaneously through valve disc and sealed card, when rivers were followed the outlet pipe to the inlet tube, can block the valve disc to sealed draw-in groove under the rivers effect, sealed the pad receives the extrusion of rivers pressure to take place deformation this moment, can improve the sealed effect of valve disc and valve body, prevent the hourglass water, through the card stationary column card in the spout, can block mounting flange and card stationary ring, prevent that the card stationary ring from droing with mounting flange.

Drawings

FIG. 1 is a schematic view of an overall structure of a check valve of the present invention, which is easy to install;

FIG. 2 is a cross-sectional view of a check valve of the present invention for ease of installation;

FIG. 3 is a schematic view of a turning structure of a valve disc of the check valve convenient to install according to the present invention;

FIG. 4 is a schematic view of the sliding of a check valve retaining ring for easy installation of the present invention;

fig. 5 is an enlarged view of a structure in fig. 2.

In the figure: 1. a valve body; 2. a water inlet pipe; 3. a water outlet pipe; 4. installing a flange; 5. clamping a column; 6. a chute; 7. a fixing plate; 8. hinging shafts; 9. a sleeve; 10. a connecting rod; 11. a valve disc; 12. a gasket; 13. sealing the clamping groove; 14. and (4) clamping the ring.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a check valve convenient to install comprises a valve body 1, wherein a water inlet pipe 2 and a water outlet pipe 3 are fixedly installed at two ends of the valve body 1 respectively, a valve disc 11 is hinged to the inner wall of the valve body 1, a sealing gasket 12 is fixedly installed on the side surface of the valve disc 11, a groove is formed in the inner wall of the valve body 1, a fixing plate 7 is fixedly installed on the inner wall of the groove, an articulated shaft 8 is fixedly installed on the side surface of the fixing plate 7, a sleeve 9 is movably sleeved on the side surface of the articulated shaft 8, a connecting rod 10 is fixedly installed on the side surface of the sleeve 9, the valve disc 11 and the lower end of the connecting rod 10 are fixedly installed, the articulated installation of the valve disc 11 can be realized by movably sleeved on the side surface of the articulated shaft 8 through the sleeve 9, a sealing clamping groove 13 is formed in the inner wall of the valve body 1, the valve disc 11 and the sealing gasket 12 are movably clamped on the inner wall of the sealing clamping groove 13 respectively, when water flows from the water inlet pipe 2 to the water outlet pipe 3, can strut valve disc 11 under the rivers effect, make valve disc 11 rotate, rivers can normally circulate, when the rivers direction is from outlet pipe 3 to inlet tube 2, can impress valve disc 11 in sealed draw-in groove 13 under the rivers effect, play the card effect to valve disc 11 through sealed draw-in groove 13, make valve disc 11 perpendicular with the rivers direction, the pressure of the rivers that receive is the biggest, make sealed pad 12 by extrusion deformation, improve sealed effect, prevent rivers from passing through, play the non return effect, the equal fixed mounting in side surface of inlet tube 2 and outlet pipe 3 has mounting flange 4, mounting flange 4's side surface swing joint has snap ring 14, align mounting flange 4 and duct flange during the installation, slide snap ring 14 outwards and make it block mounting flange 4 and duct flange simultaneously, replace the staff to fix.

According to the structure shown in fig. 1, the sliding groove 6 is formed in the side surface of the clamping ring 14, the clamping column 5 is fixedly arranged on the side surface of the mounting flange 4, the clamping column 5 is movably clamped on the inner wall of the sliding groove 6, the clamping ring 14 is movably sleeved on the side surface of the mounting flange 4, the clamping ring 14 can slide on the side surface of the mounting flange 4, meanwhile, the mounting flange 4 and the clamping ring 14 can be prevented from being separated through the clamping column 5 and the sliding groove 6, the valve body 1, the water inlet pipe 2, the water outlet pipe 3 and the valve disc 11 are all made of stainless steel materials, the service life is long, rustiness is not prone to occur, the sealing gasket 12 is made of silica gel materials, and the sealing effect is good, the number of the clamping columns 5 and the number of the sliding grooves 6 are multiple, the width of the clamping ring 14 is slightly smaller than that of the mounting flange 4, the clamping ring 14 is prevented from being too large, and the blocking effect is achieved when a bolt is installed.

The working principle is as follows: when using, the utility model discloses put valve body 1 between two sections pipelines, make two mounting flange 4 respectively with the flange joint of pipeline, slide clamping ring 14 outwards again and make clamping ring 14 entangle the ring flange of mounting flange 4 and pipeline respectively simultaneously, block valve body 1 and pipeline, make the installation need not to hold in the palm valve body 1 with the hand always, liberation constructor's both hands, make mounting flange 4 and pipeline flange can aim at through clamping ring 14's card effect simultaneously, improve the accuracy of installation, constructor only need rotate valve body 1 and make mounting flange 4 flange hole and pipeline flange's flange pore pair, the installation can be accomplished to the screw in bolt, the installation is simple swift, the utility model discloses still can improve valve body 1's non return effect through valve disc 11 and sealed pad 12 card in sealed draw-in groove 13, when rivers from outlet pipe 3 to inlet tube 2, can block mounting flange 11 to sealed draw-in groove 13 under the rivers effect, sealed pad 12 receives rivers pressure extrusion deformation this moment, can improve valve disc 11 and the sealed effect of card 1, prevent that the card leaks, through clamping post 5 in two sections pipelines, can prevent clamping mounting flange 4 and card ring 14 from droing.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A check valve convenient to installation, includes valve body (1), its characterized in that: the both ends of valve body (1) are fixedly connected with inlet tube (2) and outlet pipe (3) respectively, the equal fixedly connected with mounting flange (4) of side surface of inlet tube (2) and outlet pipe (3), the side surface swing joint of mounting flange (4) has clamping ring (14), the inner wall of valve body (1) articulates there is valve disc (11), the sealed pad (12) of side surface fixedly connected with of valve disc (11), spout (6) have been seted up to the side surface of clamping ring (14), side surface fixedly connected with clamping post (5) of mounting flange (4).

2. An easy to install check valve as defined in claim 1, wherein: the clamping column (5) is movably clamped on the inner wall of the sliding groove (6), and the clamping ring (14) is movably sleeved on the side surface of the mounting flange (4).

3. An easy to install check valve as defined in claim 1, wherein: the valve body (1) inner wall is seted up flutedly, recess inner wall fixedly connected with fixed plate (7), fixed plate (7) side surface fixedly connected with articulated shaft (8), articulated shaft (8) side surface activity cover is equipped with sleeve pipe (9), sleeve pipe (9) side surface fixedly connected with connecting rod (10), and valve disc (11) and connecting rod (10) lower extreme fixed connection.

4. A check valve for ease of installation as claimed in claim 1, wherein: the inner wall of the valve body (1) is provided with a sealing clamping groove (13), and the valve disc (11) and the sealing gasket (12) are movably clamped on the inner wall of the sealing clamping groove (13) respectively.

5. An easy to install check valve as defined in claim 1, wherein: valve body (1), inlet tube (2), outlet pipe (3) and valve disc (11) all make through stainless steel material, sealed pad (12) are made through the silica gel material.

6. An easy to install check valve as defined in claim 1, wherein: the number of the clamping columns (5) and the sliding grooves (6) is a plurality, and the width of the clamping ring (14) is slightly smaller than that of the mounting flange (4).

Images