CN221034176U - Butt clamp lifting check valve - Google Patents

Abstract

The utility model belongs to the technical field of check valves, and particularly relates to a butt-clamp lifting check valve which comprises a valve body, a sealing mechanism and a filtering mechanism, wherein a butt-joint flange is fixedly connected to the valve body, a connecting shaft is arranged on the butt-joint flange, a connecting pipeline is fixedly connected to the butt-joint flange, a joint pipe is connected in the connecting pipeline through threads, the sealing mechanism is arranged on the joint pipe, and the filtering mechanism is arranged on the connecting pipeline. According to the utility model, through designing the parts such as the top ring, the sealing ring, the groove, the bayonet lock, the spring and the like, the joint pipe is rotated to enable the joint pipe and the connecting pipeline to generate threaded movement, so that the joint pipe is moved, the top ring can squeeze the sealing ring in the moving process of the joint pipe, the sealing effect is improved, the bayonet lock slides into the groove under the elastic action of the spring, the joint pipe is limited, and the joint pipe is prevented from loosening in the working process of the check valve, and the sealing performance is prevented from being influenced.

Description

Butt clamp lifting check valve

Technical Field

The utility model relates to the technical field of check valves, in particular to a butt clamp lifting type check valve.

Background

In some construction sites, check valves may be needed, and the patent publication No. CN215596490U discloses a butt-clamp type lifting check valve, which comprises a valve body, wherein butt-joint type connecting flanges are arranged on two sides of the valve body, and connecting pipelines are fixedly sleeved on the inner walls of the butt-joint type connecting flanges; the sealing device is arranged in the valve body, and the sealing device enables the connecting pipeline to be in butt-joint sealing connection with the valve body, and comprises graphite magnets; this clamp formula lift check valve to holding, through setting up sealing device, make the sealed effect of clamp formula lift check valve better, at the in-process of adjusting, lean on dropping at one side of connecting line to seal it by the self-sagging through the sealing valve clack, at the in-process of dropping, the graphite magnetite of sealing valve clack one side inserts annular seal groove along with the descending of valve rod, inhale with the graphite magnetite of annular seal groove's inner wall magnetism to realized the guide effect to sealing valve clack landing, and then realized sealing valve clack's sealed effect can not be because of the skew and not good. However, the above patent also suffers from the following disadvantages: the joint pipeline is often required to be in butt joint with the liquid pipeline, and threaded connection is often adopted, at the moment, the phenomenon of water leakage is easy to occur at the joint, and some impurities are often present in some liquids, and the impurities enter the valve body to easily damage the valve body, so that the service life of the check valve is influenced. Therefore, improvements are needed.

Disclosure of utility model

The utility model aims to provide a butt-clamp lifting check valve, which solves the problems that joint pipelines are frequently needed to be in butt joint with liquid pipelines and are frequently in threaded connection, water leakage is easy to occur at a joint, impurities are often present in some liquid, and the impurities enter the valve body to easily damage the valve body and influence the service life of the check valve.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a butt-joint lifting check valve, includes valve body, sealing mechanism, filtering mechanism, fixedly connected with butt-joint flange on the valve body, be provided with the connecting axle on the butt-joint flange, fixedly connected with connecting line on the butt-joint flange, there is the joint pipe through threaded connection in the connecting line, be provided with sealing mechanism on the joint pipe, be provided with filtering mechanism on the connecting line.

Preferably, the sealing mechanism comprises a top ring, a sealing ring, a groove, a bayonet lock, a sleeve, a guide rod and a spring, wherein the top ring is fixedly connected in the joint pipe, the sealing ring is adhered on the top ring, the groove is formed in the joint pipe, the bayonet lock is connected in the groove in a sliding manner, the sleeve is fixedly connected on the joint pipe, the guide rod is fixedly connected in the sleeve, the spring is arranged on the outer side of the guide rod, the sealing ring is connected in the joint pipe in a sliding manner, the sealing ring is contacted with the joint pipe, the joint pipe can be connected through the sealing mechanism, and the sealing performance of the joint can be improved.

Preferably, the bayonet lock sliding connection is in the sleeve, bayonet lock sliding connection is in the outside of guide arm, through the design bayonet lock, the cooperation between accessible bayonet lock and the recess is spacing to the joint pipe.

Preferably, one end of the spring is fixedly connected to the bayonet lock, the other end of the spring is fixedly connected to the sleeve, and the bayonet lock can be moved under the elastic action of the spring through designing the spring.

Preferably, the number of the grooves is a plurality, a plurality of the grooves are distributed on the joint pipe in an annular array, and the joint pipe can be limited through the grooves by designing a plurality of the grooves.

Preferably, the filter mechanism filter screen, connecting rod, motor, first bevel gear, second bevel gear, bracing piece, fixed cover, elastic rod, fixedly connected with filter screen in the connecting line, fixedly connected with connecting rod in the connecting line, fixedly mounted has the motor on the connecting rod, fixedly connected with first bevel gear on the output of motor, the meshing has the second bevel gear on the first bevel gear, fixedly connected with bracing piece on the second bevel gear, fixedly connected with fixed cover in the connecting line, install the bracing piece through the bearing in the fixed cover, fixedly connected with elastic rod on the bracing piece, through designing filtering mechanism, can filter the liquid in the entering valve body.

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

1. According to the utility model, through designing the parts such as the top ring, the sealing ring, the groove, the bayonet lock, the spring and the like, the joint pipe is rotated to enable the joint pipe and the connecting pipeline to generate threaded movement, so that the joint pipe is moved, the top ring can squeeze the sealing ring in the moving process of the joint pipe, the sealing effect is improved, the bayonet lock slides into the groove under the elastic action of the spring, the joint pipe is limited, and the joint pipe is prevented from loosening in the working process of the check valve, and the sealing performance is prevented from being influenced.

2. According to the utility model, through designing the parts such as the filter screen, the motor, the first bevel gear, the second bevel gear, the supporting rod, the elastic rod and the like, impurities in liquid can be filtered through the filter screen, the impurities are prevented from entering the valve body to influence the service life of the check valve, when the filter screen is blocked, the motor can be started to drive the first bevel gear to rotate so as to drive the second bevel gear to rotate, the supporting rod is driven to rotate, the elastic rod is driven to rotate by the rotation of the supporting rod, the filter screen can be impacted by the rotation of the elastic rod, the filter screen is prevented from being blocked, and the liquid is prevented from entering the valve body.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present utility model;

FIG. 3 is an enlarged view of the utility model at A in FIG. 2;

fig. 4 is an enlarged view of the present utility model at B in fig. 2.

In the figure: 1. a valve body; 2. a butt flange; 3. a connecting shaft; 4. a connecting pipeline; 5. a joint pipe; 6. a sealing mechanism; 7. a filtering mechanism; 61. a top ring; 62. a seal ring; 63. a groove; 64. a bayonet lock; 65. a sleeve; 66. a guide rod; 67. a spring; 71. a filter screen; 72. a connecting rod; 73. a motor; 74. a first bevel gear; 75. a second bevel gear; 76. a support rod; 77. a fixed sleeve; 78. an elastic rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, a butt-clamp lifting check valve comprises a valve body 1, a sealing mechanism 6 and a filtering mechanism 7, wherein a butt-joint flange 2 is fixedly connected to the valve body 1, a connecting shaft 3 is arranged on the butt-joint flange 2, a connecting pipeline 4 is fixedly connected to the butt-joint flange 2, a joint pipe 5 is connected in the connecting pipeline 4 through threads, the sealing mechanism 6 is arranged on the joint pipe 5, and the filtering mechanism 7 is arranged on the connecting pipeline 4.

Referring to fig. 1, 2 and 3, the sealing mechanism 6 includes a top ring 61, a sealing ring 62, a groove 63, a bayonet lock 64, a sleeve 65, a guide rod 66 and a spring 67, wherein the top ring 61 is fixedly connected in the joint pipe 5, the sealing ring 62 is adhered to the top ring 61, the groove 63 is formed in the joint pipe 5, the bayonet lock 64 is slidably connected in the groove 63, the sleeve 65 is fixedly connected to the connecting pipeline 4, the guide rod 66 is fixedly connected in the sleeve 65, the spring 67 is arranged on the outer side of the guide rod 66, the sealing ring 62 is slidably connected in the joint pipe 5, the sealing ring 62 is in contact with the connecting pipeline 4, the bayonet lock 64 is slidably connected in the sleeve 65, one end of the spring 67 is fixedly connected to the bayonet lock 64, the other end of the spring 67 is fixedly connected in the sleeve 65, the grooves 63 are distributed in a plurality, the grooves 63 are distributed on the joint pipe 5 in a ring array, the connecting pipeline 4 can be connected through the design of the sealing mechanism 6, and the sealing performance of the connecting position can be improved.

Referring to fig. 1, 2 and 4, a filter screen 71, a connecting rod 72, a motor 73, a first bevel gear 74, a second bevel gear 75, a supporting rod 76, a fixing sleeve 77 and an elastic rod 78 are shown in fig. 1, 2 and 4, the filter screen 71 is fixedly connected in the connecting pipeline 4, the connecting rod 72 is fixedly connected with the motor 73, the output end of the motor 73 is fixedly connected with the first bevel gear 74, the first bevel gear 74 is meshed with the second bevel gear 75, the second bevel gear 75 is fixedly connected with the supporting rod 76, the fixing sleeve 77 is fixedly connected in the connecting pipeline 4, the supporting rod 76 is arranged in the fixing sleeve 77 through a bearing, the elastic rod 78 is fixedly connected in the supporting rod 76, and liquid entering the valve body 1 can be filtered through designing the filter mechanism 7.

Working principle: the butt-clamp lifting check valve is disclosed in the patent application publication No. CN215596490U, and is unnecessary to be described herein, when connecting the connecting pipeline 4, the bayonet lock 64 is pulled to enable the bayonet lock 64 to move, then the joint pipe 5 is rotated to enable the joint pipe 5 and the connecting pipeline 4 to perform threaded movement, further the joint pipe 5 is enabled to move, in the process of moving the joint pipe 5, the top ring 61 can squeeze the sealing ring 62 to enable the sealing ring 62 to deform, so that the tightness is improved, when the joint pipe 5 moves to a proper position, the bayonet lock 64 is released, the bayonet lock 64 moves and slides into the groove 63 under the elastic action of the spring 67, and at the moment, the joint pipe 5 can be limited;

When liquid enters the connecting pipeline 4, impurities can be filtered under the filtering of the filter screen 71, when the filter screen 71 is blocked, the motor 73 is started, the first bevel gear 74 fixed on the output end of the filter screen is rotated, the second bevel gear 75 meshed with the first bevel gear 74 is rotated by the rotation of the first bevel gear 74, the supporting rod 76 is rotated, the elastic rod 78 fixed on the supporting rod 76 is driven to rotate by the rotation of the supporting rod 76, the elastic rod 78 is enabled to impact the filter screen 71, the filter screen 71 is vibrated, and the filter screen 71 is prevented from being blocked.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a butt clamp lifting check valve, includes valve body (1), sealing mechanism (6), filtering mechanism (7), its characterized in that: fixedly connected with butt joint flange (2) on valve body (1), be provided with connecting axle (3) on butt joint flange (2), fixedly connected with connecting tube (4) on butt joint flange (2), there is joint pipe (5) through threaded connection in connecting tube (4), be provided with sealing mechanism (6) on joint pipe (5), be provided with filtering mechanism (7) on connecting tube (4).

2. A butt-clip lifting check valve as set forth in claim 1 wherein: sealing mechanism (6) are including top ring (61), sealing washer (62), recess (63), bayonet lock (64), sleeve (65), guide arm (66), spring (67), fixedly connected with top ring (61) in joint pipe (5), the adhesion has sealing washer (62) on top ring (61), set up flutedly (63) in joint pipe (5), sliding connection has bayonet lock (64) in recess (63), fixedly connected with sleeve (65) on connecting line (4), fixedly connected with guide arm (66) in sleeve (65), the outside of guide arm (66) is provided with spring (67), sealing washer (62) sliding connection is in joint pipe (5), sealing washer (62) and connecting line (4) contact.

3. A butt-clip lifting check valve as set forth in claim 2 wherein: the clamping pin (64) is connected in the sleeve (65) in a sliding mode, and the clamping pin (64) is connected to the outer side of the guide rod (66) in a sliding mode.

4. A butt-clip lifting check valve as set forth in claim 2 wherein: one end of the spring (67) is fixedly connected to the bayonet lock (64), and the other end of the spring (67) is fixedly connected to the sleeve (65).

5. A butt-clip lifting check valve as set forth in claim 2 wherein: the number of the grooves (63) is a plurality, and a plurality of the grooves (63) are distributed on the joint pipe (5) in an annular array.

6. A butt-clip lifting check valve as set forth in claim 1 wherein: filter mechanism (7) filter screen (71), connecting rod (72), motor (73), first bevel gear (74), second bevel gear (75), bracing piece (76), fixed cover (77), elastic rod (78), fixedly connected with filter screen (71) in connecting line (4), fixedly connected with connecting rod (72) in connecting line (4), fixedly mounted has motor (73) on connecting rod (72), fixedly connected with first bevel gear (74) on the output of motor (73), the meshing has second bevel gear (75) on first bevel gear (74), fixedly connected with bracing piece (76) on second bevel gear (75), fixedly connected with fixed cover (77) in connecting line (4), fixedly connected with bracing piece (76) through the bearing in fixed cover (77), fixedly connected with elastic rod (78) on bracing piece (76).