CN220134628U - Double-clack check valve - Google Patents

Abstract

The utility model relates to the technical field of flow control, in particular to a butt-clamping double-flap check valve, which comprises a valve, a base and a supporting device, wherein the valve is arranged above the base, the longitudinal section of the base is rectangular, the supporting device is arranged on the surface of the valve, the supporting device comprises a sliding sleeve, the sliding sleeve is fixedly connected with two sides of the valve, the cross section of the sliding sleeve is long, and the inner surface of the sliding sleeve is slidably connected with a sliding strip. According to the double-flap check valve, the supporting device is arranged to effectively support the double-flap check valve, when the double-flap check valve is used, the device is used, the pull handle is loosened, the pull handle is used for adjusting the insert block, the insert block is used for limiting the height of the double-flap check valve, the condition that the double-flap check valve needs to be supported by a pipeline and the pipeline is avoided, the supporting performance of the double-flap check valve is improved, the stability of the double-flap check valve is improved, and the condition that a gap exists between the double-flap check valve and the pipeline is reduced.

Description

Double-clack check valve

Technical Field

The utility model relates to the technical field of flow control, in particular to a butt-clamping double-flap check valve.

Background

The double-clack check valve is used for preventing medium from reversely flowing in pure pipelines, industrial, environment-friendly, water treatment and high-rise building water supply and drainage pipelines, adopts double-clack type butterfly plates which are two semicircles and forcibly reset by springs, and can be used for overlaying wear-resistant materials or lining rubber on a sealing surface, so that the double-clack check valve is wide in application range and reliable in sealing, and is used when the flow of the pipeline needs to be controlled.

The utility model discloses a butt-clamping double-flap check valve, which is characterized in that a hanging rod is arranged in a valve body and is parallel to a valve rod, a spring is sleeved on the valve rod, one end of the spring is buckled on the hanging rod, the other end of the spring comprises a collision part and a supporting part, the collision part is in collision with a semicircular valve clack, the supporting part is integrally connected with the collision part, the supporting part is inclined from a connecting end of the collision part to the other end of the supporting part, and the radius ratio of the length of the collision part to the semicircular valve clack is 0.6-0.7.

The inventor finds that a gap can appear in the process of using the double-flap check valve for a long time in daily work, and the prior art scheme is characterized in that the double-flap check valve for a double-clip is connected between pipelines, and the double-flap check valve for a double-clip is adjusted when the pipelines transport liquid so as to control the flow of the liquid, but the double-flap check valve for a double-clip can be impacted by the liquid in the process of using the double-flap check valve for a long time, so that the double-flap check valve for a double-clip can shake severely, and the gap can appear when the pipeline supports the double-flap check valve for a long time.

Disclosure of Invention

The utility model aims to solve the defect that a gap is formed when a pipeline supports a butt-clamp double-flap check valve for a long time in the prior art, and provides the butt-clamp double-flap check valve.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a double-bladed check valve of butt clamp, includes valve, base and strutting arrangement, the valve sets up the top at the base, the longitudinal section of base is the rectangle, strutting arrangement sets up on the surface of valve, strutting arrangement includes the sliding sleeve, the both sides fixed connection of sliding sleeve and valve, the transversal section rectangular shape of sliding sleeve, the internal surface sliding connection of sliding sleeve has the draw runner, the longitudinal section of draw runner is rectangular shape, the draw runner touches with the upper surface of base, the fixed surface of sliding sleeve is connected with the guide way, the cross section of guide way is rectangular shape, the internal surface sliding connection of guide way has the inserted block, the longitudinal section rectangular shape of inserted block, the inserted block's surface fixedly connected with draws the handle, the transversal section of drawing the handle takes the L shape, draw handle and the internal surface sliding connection of guide way, draw the handle can cooperate with the inserted block in order to reach the condition of restriction valve height.

Preferably, a storage spring is fixedly connected between the pull handle and the guide channel, the storage spring is wound on the surface of the pull handle, the longitudinal section of the storage spring is transversely arranged, and the storage spring can be matched with the insert block to achieve the purpose of pushing the insert block to slide.

Preferably, the surface of valve is provided with anti-rotating device, anti-rotating device includes the guide board, guide board and the fixed surface of valve are connected, the cross section of guide board is rectangular, and guide board can cooperate with the valve in order to reach the purpose of guiding the fixture block.

Preferably, the internal surface sliding connection of guide board has the fixture block, the longitudinal section of fixture block is the rectangle, the internal surface threaded connection of fixture block has the locating lever, the transversal disc of personally submitting of locating lever, the locating lever is threaded connection with the internal surface of guide board, and the fixture block can cooperate in order to reach the purpose of restriction rolling disc with the locating piece.

Preferably, the surface rotation of valve is connected with the regulating disk, the longitudinal section of regulating disk is the disc, the lower surface fixedly connected with rolling disc of regulating disk, the longitudinal section of rolling disc is the disc, and the regulating disk can cooperate with the rolling disc in order to reach the purpose of regulating equipment rotation and rolling disc rotation.

Preferably, the surface of the rotating disc is provided with a positioning hole, the cross section of the positioning hole is disc-shaped, and the positioning hole can be matched with the clamping block to achieve the purpose of limiting the rotating disc to rotate.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the utility model, the support device is arranged, when the butt-clamp double-flap check valve is used, the butt-clamp double-flap check valve is supported, the equipment is used, the flow of liquid is controlled by the equipment, the height of the valve is regulated, the pull handle is loosened, the pull handle is pulled by the storage spring, the pull handle pushes the insert block, the insert block is guided by the guide channel, the insert block is inserted into the sliding sleeve to complete the support, the butt-clamp double-flap check valve is effectively supported by the support device, when the butt-clamp double-flap check valve is used, the device is used, the pull handle is loosened, the pull handle regulates the insert block, the insert block limits the height of the butt-clamp double-flap check valve, the support between pipelines is avoided, the support of the butt-clamp double-flap check valve is improved, the stability of the butt-clamp double-flap check valve is improved, and the gap between the butt-clamp double-flap check valve and the pipelines is reduced.

Drawings

Fig. 1 is a schematic perspective view of a double-clack check valve according to the present utility model;

FIG. 2 is a schematic view showing a supporting device of a double-clack check valve;

FIG. 3 is a schematic view of the structure of FIG. 2A showing a double-clack check valve;

FIG. 4 is a schematic view of an anti-rotation device of a double-clack check valve;

fig. 5 is a schematic view showing a structure of the double-flap check valve of fig. 4B.

Legend description:

1. a valve; 2. a base; 3. a support device; 31. a pull handle; 32. a storage spring; 33. a guide way; 34. inserting blocks; 35. a slide bar; 36. a sliding sleeve; 4. an anti-rotation device; 41. an adjusting plate; 42. a rotating disc; 43. positioning holes; 44. a positioning rod; 45. a guide plate; 46. and (5) clamping blocks.

Detailed Description

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a double-bladed check valve of butt clamp, includes valve 1, base 2 and strutting arrangement 3, and valve 1 sets up in the top of base 2, and the longitudinal section of base 2 is the rectangle, and strutting arrangement 3 sets up on the surface of valve 1.

The specific arrangement and function of the support means 3 and the anti-rotation means 4 will be described in detail below.

In this embodiment: the support device 3 comprises a sliding sleeve 36, the sliding sleeve 36 is fixedly connected with two sides of the valve 1, the cross section of the sliding sleeve 36 is long-shaped, a sliding strip 35 is slidably connected to the inner surface of the sliding sleeve 36, the longitudinal section of the sliding strip 35 is long-shaped, the sliding strip 35 is in contact with the upper surface of the base 2, a guide channel 33 is fixedly connected to the surface of the sliding sleeve 36, the cross section of the guide channel 33 is long-shaped, an inserting block 34 is slidably connected to the inner surface of the guide channel 33, the longitudinal section of the inserting block 34 is long-shaped, and the inserting block 34 is inserted into the inner surface of the sliding sleeve 36.

Specifically, the surface of the insert block 34 is fixedly connected with a pull handle 31, the cross section of the pull handle 31 is L-shaped, the pull handle 31 is slidably connected with the inner surface of the guide channel 33, and the pull handle 31 can be matched with the insert block 34 to limit the height of the valve 1.

Specifically, a receiving spring 32 is fixedly connected between the pull handle 31 and the guide path 33, the receiving spring 32 is wound on the surface of the pull handle 31, and a longitudinal section of the receiving spring 32 is arranged transversely.

In this embodiment: the receiving spring 32 can cooperate with the insert 34 to push the insert 34 to slide.

In this embodiment: the surface of valve 1 is provided with anti-rotating device 4, and anti-rotating device 4 includes guide board 45, guide board 45 and valve 1's fixed surface connection, and guide board 45's cross section is rectangular, and guide board 45 can cooperate with valve 1 in order to reach the purpose of guide fixture block 46.

Specifically, the inner surface sliding connection of guide board 45 has fixture block 46, and the longitudinal section of fixture block 46 is the rectangle, and the inner surface threaded connection of fixture block 46 has locating lever 44, and the transversal disc of locating lever 44 is personally submitted, and locating lever 44 and guide board 45's inner surface threaded connection.

In this embodiment: the latch 46 may cooperate with the positioning block to limit the rotation of the disc 42.

Specifically, the surface rotation of valve 1 is connected with regulating plate 41, and regulating plate 41's longitudinal section is the disc, and regulating plate 41's lower surface fixedly connected with rolling disc 42, and rolling disc 42's longitudinal section is the disc, and regulating plate 41 can cooperate with rolling disc 42 in order to reach the purpose that regulating equipment rotated and rolling disc 42 rotated.

Specifically, the surface of the rotating disc 42 is provided with a positioning hole 43, and the cross section of the positioning hole 43 is disc-shaped.

In this embodiment: the positioning hole 43 can be matched with the clamping block 46 to achieve the purpose of limiting the rotation of the rotating disc 42.

Working principle: by arranging the supporting device 3, when the double-flap check valve is used, the double-flap check valve is supported, equipment is used, the equipment controls the flow of liquid, the height of the valve 1 is regulated, the pull handle 31 is loosened, the pull handle 31 is pulled by the containing spring 32, the pull handle 31 pushes the insert block 34, the insert block 34 is guided by the guide channel 33, the insert block 34 is inserted into the sliding sleeve 36 to complete the support, the double-flap check valve is effectively supported by arranging the supporting device 3, when the double-flap check valve is used, the device is used, the pull handle 31 is loosened, the pull handle 31 regulates the insert block 34, the insert block 34 limits the height of the double-flap check valve, the double-flap check valve is prevented from being supported by a pipeline, the support of the double-flap check valve is improved, the stability of the double-flap check valve is improved, the condition of gaps between the double-flap check valve and the pipeline is reduced, in addition, when the double-flap check valve is used, the double-flap check valve is prevented from rotating, the device is used for controlling the flow of liquid, the regulating disc 41 is regulated, the regulating disc 41 drives the rotating disc 42, when the rotating disc 42 rotates to a rotating position, the clamping block 46 is pushed, the clamping block 46 is guided by the guide plate 45 and slides, the clamping block 46 is inserted into the positioning hole 43, the positioning rod 44 is rotated, the clamping block 46 is limited by the positioning rod 44 to slide, the anti-rotation is completed, the double-flap check valve is effectively prevented from rotating by the anti-rotation device 4, when the double-flap check valve is used, the device is used, the rotating disc 42 is regulated, when the rotating disc 42 rotates to a specified position, the clamping block 46 and the clamping block 46 limit the rotating disc 42, the situation that a worker bumps the control end of the valve 1 by mistake is avoided, the control of the double-flap check valve is improved, the anti-rotation performance of the double-clack check valve is improved, and the convenience of adjusting the double-clack check valve is improved.

Claims (7)

1. The utility model provides a double-valved check valve of butt clamp, includes valve (1), base (2) and strutting arrangement (3), its characterized in that: valve (1) set up the top at base (2), the longitudinal section of base (2) is the rectangle, strutting arrangement (3) set up on the surface of valve (1), strutting arrangement (3) include sliding sleeve (36), the both sides fixed connection of sliding sleeve (36) and valve (1), the transversal strip of sliding sleeve (36), the internal surface sliding connection of sliding sleeve (36) has draw runner (35), the longitudinal section of draw runner (35) is rectangular, draw runner (35) and the upper surface contact of base (2), the fixed surface of sliding sleeve (36) is connected with guide way (33), the cross section of guide way (33) is rectangular, the internal surface sliding connection of guide way (33) has insert block (34), the longitudinal section strip of insert block (34) is pegged graft with the internal surface of sliding sleeve (36).

2. A butt-clip double-flap check valve according to claim 1, wherein: the surface of the insertion block (34) is fixedly connected with a pull handle (31), the cross section of the pull handle (31) is L-shaped, and the pull handle (31) is slidably connected with the inner surface of the guide channel (33).

3. A butt-clip double-flap check valve according to claim 2, wherein: a storage spring (32) is fixedly connected between the pull handle (31) and the guide channel (33), the storage spring (32) is wound on the surface of the pull handle (31), and the longitudinal section of the storage spring (32) is transversely arranged.

4. A butt-clip double-flap check valve according to claim 1, wherein: the surface of valve (1) is provided with anti-rotation device (4), anti-rotation device (4) are including guide board (45), guide board (45) and the fixed surface of valve (1) are connected, the cross section of guide board (45) is rectangular.

5. A butt-clip double-flap check valve according to claim 4, wherein: the guide plate is characterized in that a clamping block (46) is slidably connected to the inner surface of the guide plate (45), the longitudinal section of the clamping block (46) is rectangular, a positioning rod (44) is connected to the inner surface of the clamping block (46) in a threaded mode, the cross section of the positioning rod (44) is disc-shaped, and the positioning rod (44) is connected with the inner surface of the guide plate (45) in a threaded mode.

6. A butt-clip double-flap check valve according to claim 1, wherein: the surface rotation of valve (1) is connected with adjustment disk (41), the longitudinal section of adjustment disk (41) is the disc, the lower surface fixedly connected with rotation disk (42) of adjustment disk (41), the longitudinal section of rotation disk (42) is the disc.

7. A butt-clip double-flap check valve according to claim 6, wherein: the surface of the rotating disc (42) is provided with a positioning hole (43), and the cross section of the positioning hole (43) is disc-shaped.