CN211259690U

CN211259690U - Special boiler blowoff valve of cut-off straight-through type

Info

Publication number: CN211259690U
Application number: CN201921598595.XU
Authority: CN
Inventors: 彭方
Original assignee: Huian Daven Handicraft Store
Current assignee: Huian Daven Handicraft Store
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-08-14
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a stop special boiler blowoff valve of through-type, including left connecting plate, worm wheel, baffle and right connecting plate, the right-hand member of left side connecting plate is connected with the inlet tube, and the inside of inlet tube is provided with the water deflector to the right-hand member of inlet tube is connected with the outlet pipe, the top of outlet pipe is provided with the fixed plate, and the inside of fixed plate is provided with the lead screw, on the worm wheel was fixed in the top outer wall of lead screw, and the rear side meshing of worm wheel was connected with the worm, the spacing groove was seted up on the inner wall of fixed plate, the right side of baffle is provided with the filter screen, the left end of right. According to the stop through type special boiler blow-down valve, the connecting block is arranged on the outer wall of the valve core plate and is made of rubber, so that the valve core plate can be protected through the connecting block when the valve core plate adjusts the fluid flow, the sealing performance of the valve core plate is improved, and the service life of the valve core plate is prolonged.

Description

Special boiler blowoff valve of cut-off straight-through type

Technical Field

The utility model relates to the technical field of valves, specifically a stop special boiler blowoff valve of through type.

Background

The valve is a common appliance in daily life, mainly plays a role in regulating the flow of fluid, the boiler blow-down valve is used on a boiler, dirt is generated during the use of the boiler, and once the dirt is excessive, the dirt needs to be discharged outwards so as to avoid influencing the quality of boiler water.

However, the existing boiler blow-down valve still has some disadvantages in the using process, for example, when the valve core intercepts fluid, no protection device is arranged, the valve core is easily abraded after a long time, so that the use of the blow-down valve is influenced, solid-liquid separation is not convenient for the circulating fluid, the workload of later-stage sewage treatment is increased, and further the practicability of the blow-down valve is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a by special boiler blowoff valve of through type to solve the case on the existing market that the above-mentioned background art provided and in the interception fluid, do not have protector, time causes wearing and tearing to the case easily after a long time, thereby influence the use of this blowoff valve, be not convenient for carry out solid-liquid separation to the fluid of circulation moreover, increased the work load of later stage to filth treatment, and then reduced the problem to the practicality of blowoff valve.

In order to achieve the above object, the utility model provides a following technical scheme: a stop straight-through type special boiler blow-off valve, which comprises a left connecting plate, a worm wheel, a baffle plate and a right connecting plate, the right end of the left connecting plate is connected with a water inlet pipe, a water guide plate is arranged inside the water inlet pipe, the right end of the water inlet pipe is connected with the water outlet pipe, a fixed plate is arranged above the water outlet pipe, and a screw rod is arranged in the fixed plate, the worm wheel is fixed on the outer wall of the top of the screw rod, the rear side of the worm wheel is engaged and connected with a worm, the outer wall of the bottom of the screw rod is connected with a valve core plate, the front side and the rear side of the valve core plate are both provided with clamping blocks, the clamping block is connected with the fixed plate through a limiting groove, the limiting groove is arranged on the inner wall of the fixed plate, the baffle sets up in the inside of outlet pipe, be provided with the connecting block on the outer wall of case board, the right side of baffle is provided with the filter screen, the left end of right side connecting plate is connected with the outlet pipe.

Preferably, the water guide plate and the water inlet pipe are of an integrated structure, the water guide plate is inclined, and the shape of the bottom of the water guide plate is consistent with that of the baffle.

Preferably, the screw rod is connected with the fixed plate through a bearing, and the screw rod is connected with the valve core plate through a thread.

Preferably, the fixture block and the valve core plate are of an integrated structure, and the fixture block and the fixing plate form a sliding structure through the limiting groove.

Preferably, the connection mode of the connection block and the valve core plate is bonding, and the connection block is made of rubber.

Preferably, the connection mode of the filter screen and the water outlet pipe is bolted connection, and the connection mode of the water outlet pipe and the right connecting plate is flange connection.

Compared with the prior art, the beneficial effects of the utility model are that: the stop straight-through type special boiler blow-down valve,

(1) the outer wall of the valve core plate is provided with the connecting block, and the connecting block is made of rubber, so that when the valve core plate adjusts the fluid flow, the valve core plate can be protected through the connecting block, the sealing performance of the valve core plate is improved, and the service life of the valve core plate is prolonged;

(2) the front side and the rear side of the valve core plate are respectively provided with the fixture block, and the fixture blocks form a sliding structure through the limiting grooves and the fixing plate, so that when the valve core plate moves up and down, the valve core plate can move more stably through the sliding of the fixture blocks, and the stable use of the drain valve is ensured;

(3) the right-hand member of outlet pipe is provided with the filter screen, and then when the filth outwards discharges, is convenient for carry out solid-liquid separation to the filth, and outlet pipe and filter screen are bolted connection simultaneously, easily change the dismantlement of filter screen, consequently conveniently clear up the solid-state filth of interception, have increased the practicality of this blowoff valve, also bring conveniently for staff's operation.

Drawings

FIG. 1 is a schematic view of the overall main sectional structure of the present invention;

FIG. 2 is a schematic view of the left side cut-away structure of the connection between the water outlet pipe and the fixing plate;

FIG. 3 is a schematic view of the connection overlooking structure of the valve core plate and the fixture block of the present invention;

fig. 4 is a schematic diagram of the structure of the utility model showing that the outlet pipe and the filter screen are connected at the right side.

In the figure: 1. a left connecting plate; 2. a water inlet pipe; 3. a water guide plate; 4. a water outlet pipe; 5. a fixing plate; 6. a screw rod; 7. a worm gear; 8. a worm; 9. a valve core plate; 10. a clamping block; 11. a limiting groove; 12. connecting blocks; 13. a baffle plate; 14. filtering with a screen; 15. and a right connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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: a stop-through type special boiler blow-off valve comprises a left connecting plate 1, a water inlet pipe 2, a water guide plate 3, a water outlet pipe 4, a fixing plate 5, a screw rod 6, a worm wheel 7, a worm 8, a valve core plate 9, a clamping block 10, a limiting groove 11, a connecting block 12, a baffle plate 13, a filter screen 14 and a right connecting plate 15, wherein the right end of the left connecting plate 1 is connected with the water inlet pipe 2, the water guide plate 3 is arranged inside the water inlet pipe 2, the right end of the water inlet pipe 2 is connected with the water outlet pipe 4, the fixing plate 5 is arranged above the water outlet pipe 4, the screw rod 6 is arranged inside the fixing plate 5, the worm wheel 7 is fixed on the outer wall of the top of the screw rod 6, the worm 8 is meshed and connected with the rear side of the worm wheel 7, the valve core plate 9 is connected on the outer wall of the bottom of the screw rod 6, the, the baffle 13 is arranged inside the water outlet pipe 4, the outer wall of the valve core plate 9 is provided with a connecting block 12, the right side of the baffle 13 is provided with a filter screen 14, and the left end of the right connecting plate 15 is connected with the water outlet pipe 4;

the water guide plate 3 and the water inlet pipe 2 are of an integrated structure, the water guide plate 3 is inclined, the bottom shape of the water guide plate 3 is consistent with that of the baffle 13, fluid can better enter the water outlet pipe 4, and the phenomenon that the fluid is accumulated inside the water inlet pipe 2 is effectively prevented;

the screw rod 6 is connected with the fixed plate 5 through a bearing, and the screw rod 6 is connected with the valve core plate 9 through threads, so that the valve core plate 9 can be driven to move when the screw rod 6 rotates, and the fluid flow can be regulated;

the fixture block 10 and the valve core plate 9 are of an integrated structure, and the fixture block 10 and the fixing plate 5 form a sliding structure through the limiting groove 11, so that the valve core plate 9 can move more stably through the sliding of the fixture block 10, and the stability of the valve core plate 9 in use is ensured;

the connecting mode of the connecting block 12 and the valve core plate 9 is bonding, and the connecting block 12 is made of rubber, so that the valve core plate 9 can be protected, meanwhile, the sealing performance of the valve core plate 9 is improved, and the probability of damage to the valve core plate 9 is reduced;

the connected mode of filter screen 14 and outlet pipe 4 is bolted connection, and the connected mode of outlet pipe 4 and right connecting plate 15 is flange joint, can carry out solid-liquid separation to the fluid, intercepts solid particulate matter, and then the later stage of being convenient for is to the processing of filth, alleviates staff's work load, has also improved the practicality of this blowoff valve.

The working principle is as follows: when the stop-through type special boiler blow-down valve is used, as shown in fig. 1-2, firstly, a worker installs the left connecting plate 1 and the right connecting plate 15 of the blow-down valve at corresponding positions to ensure that the dirt in the boiler can be normally discharged, when the flow of fluid needs to be reduced, the worker can turn the handle on the worm 8 clockwise to enable the worm 8 to drive the worm wheel 7 and the screw rod 6 to rotate together, because the screw rod 6 is in threaded connection with the valve core plate 9, the valve core plate 9 can move downwards when the screw rod 6 rotates, as shown in fig. 3, because the left side and the right side of the valve core plate 9 are both provided with the fixture blocks 10, when the valve core plate 9 descends, the fixture blocks 10 can slide downwards along the limiting grooves 11, so that the descending of the valve core plate 9 can be more stable, and when the valve core plate 9 descends gradually, the flow of the fluid can be reduced gradually, if the core plate 9 is lowered to the bottom of the baffle 13, this blocks the fluid;

because the connecting blocks 12 made of rubber are arranged on the peripheral outer wall of the valve core plate 9, in the use process of the valve core plate 9, the sealing performance of the valve core plate 9 can be improved, the valve core plate 9 can be protected, and the abrasion probability of the valve core plate 9 is reduced.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a special boiler blowoff valve of by straight-through, includes left connecting plate (1), worm wheel (7), baffle (13) and right connecting plate (15), its characterized in that: the right end of the left connecting plate (1) is connected with a water inlet pipe (2), a water guide plate (3) is arranged inside the water inlet pipe (2), the right end of the water inlet pipe (2) is connected with a water outlet pipe (4), a fixing plate (5) is arranged above the water outlet pipe (4), a screw rod (6) is arranged inside the fixing plate (5), a worm wheel (7) is fixed on the outer wall of the top of the screw rod (6), a worm (8) is meshed and connected with the rear side of the worm wheel (7), a valve core plate (9) is connected on the outer wall of the bottom of the screw rod (6), clamping blocks (10) are arranged on the front side and the rear side of the valve core plate (9), the clamping blocks (10) are connected with the fixing plate (5) through limiting grooves (11), the limiting grooves (11) are formed in the inner wall of the fixing plate (5), and a baffle, the outer wall of the valve core plate (9) is provided with a connecting block (12), the right side of the baffle (13) is provided with a filter screen (14), and the left end of the right connecting plate (15) is connected with the water outlet pipe (4).

2. The blowdown valve of a cut-off straight-through special boiler as claimed in claim 1, wherein: the water guide plate (3) and the water inlet pipe (2) are of an integrated structure, the water guide plate (3) is inclined, and the shape of the bottom of the water guide plate (3) is consistent with that of the baffle (13).

3. The blowdown valve of a cut-off straight-through special boiler as claimed in claim 1, wherein: the screw rod (6) is connected with the fixing plate (5) through a bearing, and the screw rod (6) is connected with the valve core plate (9) through threads.

4. The blowdown valve of a cut-off straight-through special boiler as claimed in claim 1, wherein: the clamping block (10) and the valve core plate (9) are of an integrated structure, and the clamping block (10) and the fixing plate (5) form a sliding structure through the limiting groove (11).

5. The blowdown valve of a cut-off straight-through special boiler as claimed in claim 1, wherein: the connecting block (12) and the valve core plate (9) are connected in an adhesion mode, and the connecting block (12) is made of rubber.

6. The blowdown valve of a cut-off straight-through special boiler as claimed in claim 1, wherein: the connection mode of the filter screen (14) and the water outlet pipe (4) is bolt connection, and the connection mode of the water outlet pipe (4) and the right connecting plate (15) is flange connection.