CN218177943U - Butterfly valve with self-locking function - Google Patents

Abstract

The utility model discloses a butterfly valve with self-locking function, which comprises a valve body, valve body upper end fixed mounting has the fixing base, the inside of fixing base is rotated and is connected with the valve rod, valve rod outer wall upper end fixed mounting has the hexagonal ring, hexagonal ring left end is provided with fixing device, fixing device is including calliper device, fixed box, stopper and spring A, the calliper device contacts with the hexagonal ring, fixed box right-hand member fixed mounting is on the left side wall of fixing base, stopper installation fixed mounting is at the lower extreme of calliper device, spring A upper end and stopper fixed connection. This butterfly valve with self-locking function, after finishing rotating the regulation to the valve clack, rise automatically through fixing device and laminate the hexagonal ring, reach and fix the valve rod, make the valve clack also fix simultaneously, easy operation is convenient, through being provided with the calliper device, rotatory handle adjusts the clearance of calliper, improves the suitability of equipping.

Description

Butterfly valve with self-locking function

Technical Field

The utility model relates to a butterfly valve technical field specifically is a butterfly valve with self-locking function.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk.

Among the prior art, the butterfly valve of the great majority on the market does not all have self-locking function, and when rivers were too big, rivers impacted the inside valve clack of valve body, can lead to the valve clack to take place to rotate, gets off for a long time, can cause valve clack outer end wearing and tearing serious, influences the use of valve clack, leads to the inside sealed effect of butterfly valve poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a butterfly valve with self-locking function has solved current butterfly valve and has not self-locking function, and rivers are too big to the valve clack impact can lead to the valve clack to take place to rotate, lead to the poor problem of butterfly valve seal effect.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a self-locking function's butterfly valve, includes the valve body, valve body upper end fixed mounting has the fixing base, the inside of fixing base is rotated and is connected with the valve rod, valve rod outer wall upper end fixed mounting has the hexagonal ring, hexagonal ring left end is provided with fixing device, fixing device includes:

a caliper device in contact with the hexagonal ring;

the right end of the fixed box is fixedly arranged on the left side wall of the fixed seat;

the limiting block is fixedly installed at the lower end of the caliper device;

the upper end of the spring A is fixedly connected with the limiting block, and the lower end of the spring A is fixedly connected with the lower end of the inner part of the fixed box.

Preferably, the upper end of the valve rod is fixedly provided with a fixing cap, the lower end of the fixing cap is fixedly provided with a spring B, and the lower end of the spring B is fixedly connected with the rotating handle.

Preferably, the hexagonal hole is formed in the middle of the rotating handle.

Preferably, the lower end of the valve rod is fixedly connected with a valve clack, and the valve clack is rotatably connected inside the valve body.

Preferably, a valve rod penetrates through the middle part of the rotating handle and is connected with the valve rod in a sliding mode.

Preferably, the calliper device is including connecting rod, connecting box, two-way threaded rod, a screw thread section of thick bamboo, slide bar, calliper and handle, connecting rod lower extreme and stopper fixed connection, connecting rod upper end fixedly connected with connecting box, the inside two-way threaded rod that is provided with of connecting box, two-way threaded rod outer wall upper end and screw thread section of thick bamboo threaded connection, the screw thread section of thick bamboo is close to the one end fixedly connected with slide bar of fixing base, slide bar through connection box and sliding connection on the connecting box, the one end fixedly connected with calliper of a screw thread section of thick bamboo is kept away from to the slide bar, calliper contacts with the hexagonal ring of right-hand member, the one end and the two-way threaded rod fixed connection of handle through connection box.

(III) advantageous effects

The utility model provides a butterfly valve with self-locking function. The method has the following beneficial effects:

(1) This butterfly valve with self-locking function, when needs rotate the valve clack, press down through the pairing rotation handle, hexagonal hole and hexagonal ring intermeshing at middle part when making rotatory handle lapse, can push down fixing device after rotatory handle lapse simultaneously, make fixing device no longer fix the valve rod, through rotating the angle that comes the valve rod regulation valve clack, the adjustment finishes the back, loosen rotatory handle, spring B stimulates the pairing rotation handle upwards, spring A supports fixing device upwards simultaneously, make fixing device rise automatically and laminate the hexagonal ring, it fixes the valve rod to reach, make the valve clack also fix simultaneously, easy operation is convenient.

(2) This butterfly valve with self-locking function through being provided with the calliper device, when needs carry out the small-scale regulation to the valve clack, calliper can't be fixed the hexagonal ring at this time, through rotatory handle, adjusts the clearance of calliper, improves the suitability of equipping.

Drawings

FIG. 1 is a schematic view of the overall device of the present invention;

FIG. 2 is a front sectional structural view of the present invention;

FIG. 3 is a schematic view of the sectional structure of the utility model;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a valve body; 2. a fixed seat; 3. a valve stem; 4. a hexagonal ring; 5. a fixing device; 501. a caliper device; 5011. a connecting rod; 5012. a connection box; 5013. a bidirectional threaded rod; 5014. a threaded barrel; 5015. a slide bar; 5016. a caliper; 5017. a handle; 502. a fixing box; 503. a limiting block; 504. a spring A; 6. a fixing cap; 7. a spring B; 8. rotating the handle; 801. a hexagonal hole; 9. and the valve clack.

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. 1-4, the present invention provides a technical solution: the utility model provides a butterfly valve with self-locking function, including valve body 1, 1 upper end fixed mounting of valve body has fixing base 2, the inside of fixing base 2 is rotated and is connected with valve rod 3, 3 outer wall upper end fixed mounting of valve rod have hexagonal ring 4, 4 left ends of hexagonal ring are provided with fixing device 5, fixing device 5 includes calliper device 501, calliper device 501 contacts with hexagonal ring 4, calliper device 501's lower extreme runs through fixed box 502 and with fixed box 502 sliding connection, fixed box 502 right-hand member fixed mounting is on the left side wall of fixing base 2, the inside stopper 503 that is provided with of fixed box 502, stopper 503 installation fixed mounting is at calliper device 501's lower extreme, the lower extreme and the spring A504 fixed connection of stopper 503, spring A504 lower extreme and the inside lower extreme fixed connection of fixed box 502.

Particularly, the utility model discloses technical scheme's fixing device 5 is including calliper device 501, fixed box 502, stopper 503 and spring A504, and stopper 503 sets up inside fixed box 502, restricts calliper device 501's slip orbit, makes calliper device 501 only carry out the level and slides from top to bottom.

The utility model discloses an in the embodiment, calliper 5016, slide bar 5015 and screw section of thick bamboo 5014 all are provided with two sets ofly, the sliding tray has been seted up to one of being close to fixing base 2 at connecting box 5012, make slide bar 5015 slide on the sliding tray, when rotating handle 5017, make calliper 5016 move and opposite movement in opposite directions, adjust the distance clearance before calliper 5016, the one end fixed connection that handle 5017 was kept away from to two-way threaded rod 5013 is on the bearing, the other end fixed connection of bearing is on connecting box 5012's inner wall simultaneously.

In this embodiment, a fixing cap 6 is fixedly installed at the upper end of a valve rod 3, a spring B7 is fixedly installed at the lower end of the fixing cap 6, the lower end of the spring B7 is fixedly connected with a rotating handle 8, a hexagonal hole 801 is formed in the middle of the rotating handle 8, a valve flap 9 is fixedly connected to the lower end of the valve rod 3, the valve flap 9 is rotatably connected to the inside of the valve body 1, a valve rod 3 penetrates through the middle of the rotating handle 8 and is slidably connected with the valve rod 3, a caliper device 501 includes a connecting rod 5011, a connecting box 5012, a bidirectional threaded rod 5013, a threaded cylinder 5014, sliding rods 5015, 5016 and a handle 5017, the lower end of the connecting rod 5011 is fixedly connected with a limiting block 503, the upper end of the connecting rod 5011 is fixedly connected with the connecting box 5012, the inside of the connecting box 5012 is provided with the bidirectional threaded rod 5013, the upper end of the outer wall of the bidirectional threaded rod 5013 is in threaded connection with the threaded cylinder 5014, one end of the threaded cylinder 4, the sliding rod 5015 close to the fixed seat 2 is fixedly connected with the sliding rod 5015, one end of the sliding rod 5012 penetrates through the connecting box 5012 and is in sliding connection with the other end of the sliding rod 5015 far away from the threaded cylinder 5016, the hexagonal ring 5013, the right end of the handle box 5012 is in contact with the hexagonal ring 5012, and is fixedly connected with the other end of the handle box 5012.

In order to prevent the carelessness of touching the rotating handle 8 to rotate the valve rod 3, the rotating handle 8 is connected with the fixing cap 6 through the spring B7, the rotating handle 8 is far away from the hexagonal ring 4 on the valve rod 3, when the rotating handle 8 is touched, the valve rod 3 is not influenced, meanwhile, when the valve rod 3 needs to be rotated, the rotating handle 8 is pressed downwards, the hexagonal hole 801 on the rotating handle 8 is meshed with the hexagonal ring 4, the rotating handle 8 is rotated to rotate the valve rod 3, the angle of the valve clack 9 is changed, after the rotation is finished, the rotating handle 8 is pulled upwards through the spring B7, meanwhile, the spring A504 automatically slides upwards to the caliper device 501, and the effect of fixing the valve rod 3 is achieved.

The utility model discloses an among the embodiment, in order to make things convenient for the angle of valve clack 9 to adjust the back, also can lead to hexagonal ring 4's angle to take place the transform, make calliper 5016 can't peg graft to hexagonal ring 4 in, make calliper 5016 carry out opposite movement and opposite movement through rotating handle 5017, adjust the distance space between calliper 5016, improve calliper device 501's suitability.

When the caliper device is in operation (or in use), when the valve clack 9 needs to be rotated, the rotating handle 8 is pressed downwards, the spring B7 is contracted, the hexagonal hole 801 in the rotating handle 8 is inserted into the hexagonal ring 4 and is meshed with the hexagonal ring 4, the rotating handle 8 presses the caliper device 501 downwards, the spring A504 is also contracted, the hexagonal ring 4 is not fixed, the valve rod 3 is rotated by rotating the rotating handle 8, the valve clack 9 at the lower end is driven to rotate, after the angle adjustment of the valve clack 9 is completed, the rotating handle 8 is released, the rotating handle 8 is pulled upwards through the spring B7, the rotating handle 8 and the hexagonal ring 4 are separated from each other, at this time, the spring A504 exerts an upwards supporting force on the connecting rod 5011, the caliper device 501 slides upwards, the hexagonal ring 4 is inserted again, the hexagonal ring 4 is fixed, when the hexagonal ring 4 slides upwards, the caliper device 501 abuts against the caliper device, the gap between the hexagonal ring 5016 is adjusted by rotating the handle 7, the clearance can be adjusted conveniently, and the caliper device can be used simply.

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. The utility model provides a butterfly valve with self-locking function, includes valve body (1), its characterized in that: valve body (1) upper end fixed mounting has fixing base (2), the inside of fixing base (2) is rotated and is connected with valve rod (3), valve rod (3) outer wall upper end fixed mounting has hexagonal ring (4), hexagonal ring (4) left end is provided with fixing device (5), fixing device (5) include:

a caliper device (501), said caliper device (501) being in contact with a hexagonal ring (4);

the right end of the fixed box (502) is fixedly arranged on the left side wall of the fixed seat (2);

the limiting block (503) is fixedly installed at the lower end of the caliper device (501);

the spring A (504), spring A (504) upper end and stopper (503) fixed connection, spring A (504) lower extreme and the inside lower extreme fixed connection of fixed box (502).

2. The butterfly valve with the self-locking function according to claim 1, wherein: valve rod (3) upper end fixed mounting has locking cap (6), and locking cap (6) lower extreme fixed mounting has spring B (7), spring B (7) lower extreme and rotatory handle (8) fixed connection.

3. The butterfly valve with the self-locking function according to claim 2, wherein: the middle part of the rotating handle (8) is provided with a hexagonal hole (801).

4. The butterfly valve with the self-locking function according to claim 1, wherein: the lower end of the valve rod (3) is fixedly connected with a valve clack (9), and the valve clack (9) is rotatably connected inside the valve body (1).

5. The butterfly valve with self-locking function of claim 2, wherein: the middle part of the rotating handle (8) is penetrated with the valve rod (3) and is connected with the valve rod (3) in a sliding way.

6. The butterfly valve with the self-locking function according to claim 1, wherein: calliper device (501) is including connecting rod (5011), connecting box (5012), two-way threaded rod (5013), threaded cylinder (5014), slide bar (5015), calliper (5016) and handle (5017), connecting rod (5011) lower extreme and stopper (503) fixed connection, connecting rod (5011) upper end fixedly connected with connecting box (5012), connecting box (5012) inside is provided with two-way threaded rod (5013), two-way threaded rod (5013) outer wall upper end and threaded cylinder (5014) threaded connection, the one end fixedly connected with slide bar (5015) that threaded cylinder (5014) is close to fixing base (2), slide bar (5015) run through connecting box (5012) and sliding connection on connecting box (5012), the one end fixedly connected with calliper (5016) of threaded cylinder (5014) is kept away from in slide bar (5015), calliper (5016) contacts with hexagonal ring (5014) of right-hand member, the one end and two-way threaded rod (5013) fixed connection of connecting box (5012) are run through to handle (5017).

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