CN214404809U

CN214404809U - Hard sealing horizontal check valve

Info

Publication number: CN214404809U
Application number: CN202120540251.4U
Authority: CN
Inventors: 黄敬
Original assignee: Yuhuan Zhengqu Fluid Intelligent Control Co ltd
Current assignee: Yuhuan Zhengqu Fluid Intelligent Control Co ltd
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2021-10-15
Anticipated expiration: 2031-03-16

Abstract

The utility model discloses a horizontal check valve of hard seal, which comprises a valve body, the top of valve body is provided with the valve cap, just the both sides of valve body are provided with the intake chamber respectively and go out the basin, the internal connection of valve cap has the connecting block, the bottom surface of connecting block is provided with the baffle by one side, the inside that goes out the basin is provided with the filter screen by the middle-end, the inside of filter screen is provided with the activity ring by the center, the inner of activity ring is connected with the blade, the lateral surface of filter screen is connected with the pull rod by the center, the upper and lower outside surface that goes out the basin all is connected with the fixed screw, the top surface of valve cap is connected with the turn-knob, the one end of turn-knob is connected with running gear, the inside of connecting block is provided with the lead screw by the center. Hard horizontal check valve sealed firmly, can filter the impurity in the medium, reduced the condition that impurity blockked up, secondly can cut the flow of medium completely, the maintenance of being convenient for.

Description

Hard sealing horizontal check valve

Technical Field

The utility model relates to a check valve field, in particular to horizontal check valve of hard seal.

Background

The check valve is a valve with a round valve clack and acts by self weight and medium pressure to block the media from flowing backwards, belongs to the automatic valve class, is mainly used on a pipeline where the media flow to flow, and only allows the media to flow to one direction so as to prevent accidents;

firstly, most of the check valves lack a filtering device, and impurities in the medium cannot be treated when the medium flows through the check valves, so that the use of the medium is influenced; secondly, the check valve belongs to the automatic valve class, can only carry out one-way medium flow, but can not do and close the medium flow totally, if need carry out the maintenance of check valve then need to close the medium source, and the process is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a hard-sealing horizontal check valve, which can effectively solve the problems that most check valves in the background art lack a filtering device, and when a medium flows through the check valve, impurities in the check valve cannot be treated, thereby influencing the use of the medium; secondly, the check valve belongs to the automatic valve class, can only carry out one-way medium flow, but can not do and close the medium flow totally, if need carry out the maintenance of check valve then need to close the medium source, the technology problem of process trouble.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the hard-seal horizontal check valve comprises a valve body, wherein a valve cap is arranged at the top of the valve body, a water inlet groove and a water outlet groove are respectively arranged on two sides of the valve body, a connecting block is connected inside the valve cap, and a baffle is arranged on one side, close to the bottom surface of the connecting block;

a filter screen is arranged at the middle end inside the water outlet groove, a movable ring is arranged at the center inside the filter screen, blades are connected to the inner end of the movable ring, a pull rod is connected to the center outside the filter screen, and fixing screws are connected to the upper outer side surface and the lower outer side surface of the water outlet groove;

the top surface of valve cap is connected with the turn-knob, the one end of turn-knob is connected with running gear, the inside of connecting block is provided with the lead screw by the center, the middle part of lead screw is provided with drive gear by the outside, just the both ends of lead screw are all provided with ball bearing by the outside, ball bearing's bottom is provided with the draw-in groove by the inboard.

As a further scheme of the utility model, one side of blade and the inside surface contact of filter screen, the activity ring rotates with the filter screen center to be connected, and the one end of two set screws runs through the lateral wall of intake chamber respectively and is connected with the upper and lower both ends side of filter screen.

As a further scheme of the utility model, the outside surface of valve cap is provided with connecting thread, and the valve cap is through connecting thread and valve body and can dismantle the setting, valve cap and connecting block fixed connection.

As a further aspect of the utility model, the bottom of turning round, rolling gear, drive gear, lead screw, ball bearing's upper portion all is located the inside of connecting block, and bottom, rolling gear, drive gear, lead screw, ball bearing of turning round all with connecting block swing joint.

As a further scheme of the utility model, the connecting block is provided with the bearing with the junction of baffle, and the connecting block is can dismantle the setting with passing through of baffle bearing, and bearing and connecting block swing joint.

As a further scheme of the utility model, the both sides of the both ends difference through connection piece of bearing axle and the both sides of baffle, and the outside threaded connection in both ends of bearing axle has fixing nut, ball bearing's upper end through connection piece, two fixing nut respectively with two draw-in groove looks adaptations.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a setting up the position that the pulling pull rod is convenient for adjust the filter screen, make the filter screen get into out inside the basin, its upper and lower both ends side is right with two fixed screws respectively, just can fix the position of filter screen through the fixed screw, filter the impurity in the medium through the filter screen, simultaneously one side of blade and the inside surface contact of filter screen, and the activity ring rotates with the filter screen center to be connected, so the blade can prevent that impurity from blockking up the filter screen, be convenient for the medium to flow, just so can filter the impurity in the medium, reduced the impurity simultaneously and piled up the condition that leads to the check valve to block up, have very big function promotion;

the bottom through turning round, a rotating gear, drive gear, the lead screw, ball bearing's upper portion all is located the inside of connecting block, and the bottom of turning round, a rotating gear, drive gear, the lead screw, ball bearing all with connecting block swing joint, it rotates to turn round and drive a rotating gear, and then drive gear and lead screw rotation, it makes two ball bearing move to relative one side to be provided with two sections opposite direction's rotation screw thread through the lead screw surface, make ball bearing bottom lean on inboard draw-in groove and the fixation nut who corresponds to be connected, and then stop the rotation of bearing, the medium just can't pass the baffle like this in maintenance process, avoided needing to switch the medium source repeatedly, the time of maintenance cost has been saved.

Drawings

FIG. 1 is a schematic view of the overall structure of the hard-sealing horizontal check valve of the present invention;

FIG. 2 is a cross-sectional view of the outlet channel of the hard-sealing horizontal check valve of the present invention;

fig. 3 is a cross-sectional view of the valve cap of the hard-seal horizontal check valve of the present invention.

In the figure: 1. a valve body; 2. a bonnet; 3. a water inlet groove; 4. a water outlet groove; 5. connecting blocks; 6. a baffle plate; 7. a bearing shaft; 8. a filter screen; 9. a movable ring; 10. a blade; 11. a pull rod; 12. fixing screws; 13. turning; 14. a rotating gear; 15. a transmission gear; 16. a screw rod; 17. a ball bearing; 18. a clamping groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, the hard-seal horizontal check valve comprises a valve body 1, wherein a valve cap 2 is arranged at the top of the valve body 1, a water inlet groove 3 and a water outlet groove 4 are respectively arranged at two sides of the valve body 1, a connecting block 5 is connected inside the valve cap 2, a baffle 6 is arranged at one side of the bottom surface of the connecting block 5, and the baffle 6 plays a role in preventing direct backflow;

a filter screen 8 is arranged at the middle end inside the water outlet tank 4, a movable ring 9 is arranged at the center inside the filter screen 8, blades 10 are connected to the inner end of the movable ring 9, a pull rod 11 is connected to the center outside the filter screen 8, fixing screws 12 are connected to the upper outer side surface and the lower outer side surface of the water outlet tank 4, and a medium flowing inside the valve body 1 is filtered through the filter screen 8;

the top surface of valve cap 2 is connected with the turn knob 13, and the one end of turn knob 13 is connected with rotating gear 14, and the inside of connecting block 5 is provided with lead screw 16 by the center, and the middle part of lead screw 16 is provided with drive gear 15 by the outside, and the both ends of lead screw 16 all are provided with ball bearing 17 by the outside, and ball bearing 17's bottom is provided with draw-in groove 18 by the inboard, drives ball bearing 17 through the rotation of lead screw 16 and removes.

One side of blade 10 and the inside surface contact of filter screen 8, activity ring 9 rotates with the filter screen 8 center to be connected, and the one end of two fixed screws 12 runs through the lateral wall of intake chamber 3 respectively and is connected with the upper and lower both ends side of filter screen 8, fixes the position of filter screen 8 in play basin 4 inside through fixed screws 12.

The outside surface of valve cap 2 is provided with connecting thread, and valve cap 2 is through connecting thread and valve body 1 and can dismantle the setting, and

valve cap

2 and 5 fixed connection of connecting block play the effect that seals and close through valve cap 2 to the top of valve body 1.

The bottom end of the rotating knob 13, the rotating gear 14, the transmission gear 15, the screw rod 16 and the upper portion of the ball bearing 17 are all located inside the connecting block 5, the bottom end of the rotating knob 13, the rotating gear 14, the transmission gear 15, the screw rod 16 and the ball bearing 17 are all movably connected with the connecting block 5, and the rotating gear 14 is driven to rotate through the rotating knob 13.

The junction of connecting block 5 and baffle 6 is provided with bearing 7, and connecting block 5 is detachable setting with baffle 6's through bearing 7, and bearing 7 and connecting block 5 swing joint, supports through connecting block 5 baffle 6 and is connected.

The both ends of bearing 7 run through the both sides of connecting block 5 and the both sides of baffle 6 respectively, and the outside threaded connection in both ends of bearing 7 has fixing nut, and ball bearing 17's upper end run through connecting block 5, two fixing nut respectively with two draw-in grooves 18 looks adaptations, through the fixing nut of draw-in grooves 18, and then stop bearing 7's rotation.

It should be noted that, the present invention is a hard-sealing horizontal check valve, when in use, firstly, the baffle 6 and one side of the bottom surface of the connecting block 5 are aligned, the baffle 6 and the connecting block 5 are penetrated through by the bearing shaft 7, then the fixing nuts are connected at the two ends of the bearing shaft 7, the valve cap 2 and the valve body 1 are fixed by the connecting screw thread arranged on the outer surface of the valve cap 2, the baffle 6 is contacted with one side surface of the water inlet tank 3, the filter screen 8 is arranged in the water outlet tank 4 by the two fixing screws 12, the baffle 6 is impacted by the medium from the water inlet tank 3, the bearing shaft 7 is movably connected with the connecting block 5 by the bearing shaft 7, and then the bearing shaft 7 and the baffle 6 are rotated to one side, the medium flows to the water outlet tank 4 through the inner cavity of the valve body 1, the impurities in the medium are filtered by the filter screen 8 when passing through the filter screen 8, and one side of the blade 10 is contacted with the inner surface of the filter screen 8, and the movable ring 9 is rotatably connected with the center of the filter screen 8, so that the blade 10 can prevent impurities from blocking the filter screen 8 and facilitate medium flow, meanwhile, two fixing screws 12 are matched with the pull rod 11 to facilitate fixing and dismounting of the filter screen 8, if the check valve needs to be maintained, the bottom end of the torque 13, the rotating gear 14, the transmission gear 15, the screw rod 16 and the upper part of the ball bearing 17 are all positioned inside the connecting block 5, the bottom end of the torque 13, the rotating gear 14, the transmission gear 15, the screw rod 16 and the ball bearing 17 are movably connected with the connecting block 5, the rotating torque 13 drives the rotating gear 14 to rotate so as to drive the transmission gear 15 and the screw rod 16 to rotate, two ball bearings 17 move to opposite sides by arranging two sections of rotating threads with opposite directions on the surface of the screw rod 16, so that the clamping groove 18 at the inner side of the bottom end of the ball bearing 17 is connected with a corresponding fixing nut, and the rotation of the bearing shaft 7 is stopped so that the medium cannot pass through the shutter 6 during maintenance.

The utility model discloses a setting up pulling pull rod 11 and being convenient for adjust the position of filter screen 8, make filter screen 8 get into out inside basin 4, its upper and lower both ends side respectively with two fixed screw pairs 12, just can fix the position of filter screen 8 through fixed screw 12, filter the impurity in the medium through filter screen 8, one side of blade 10 and the inside surface contact of filter screen 8 simultaneously, and movable ring 9 rotates with filter screen 8 center to be connected, so blade 10 can prevent that impurity from blockking up filter screen 8, the medium flow of being convenient for, just so can filter the impurity in the medium, reduced the impurity simultaneously and piled up the condition that leads to the check valve to block up, have very big function promotion; the bottom end of the rotary knob 13, the rotating gear 14, the transmission gear 15, the screw rod 16 and the upper parts of the ball bearings 17 are all located inside the connecting block 5, the bottom end of the rotary knob 13, the rotating gear 14, the transmission gear 15, the screw rod 16 and the ball bearings 17 are all movably connected with the connecting block 5, the rotary knob 13 is rotated to drive the rotating gear 14 to rotate, the transmission gear 15 and the screw rod 16 are driven to rotate, two sections of rotating threads with opposite directions are arranged on the surface of the screw rod 16 to enable the two ball bearings 17 to move towards opposite sides, the bottom ends of the ball bearings 17 are connected with corresponding fixing nuts through the clamping grooves 18 close to the inner sides, and the rotation of the bearing 7 is stopped, so that a medium cannot penetrate through the baffle 6 in the maintenance process, the medium source is prevented from being repeatedly switched on and off, and the time spent in maintenance is saved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Horizontal check valve of hard seal, its characterized in that: the valve comprises a valve body (1), wherein a valve cap (2) is arranged at the top of the valve body (1), a water inlet groove (3) and a water outlet groove (4) are respectively arranged on two sides of the valve body (1), a connecting block (5) is connected inside the valve cap (2), and a baffle (6) is arranged on one side of the bottom surface of the connecting block (5);

a filter screen (8) is arranged at the middle end of the interior of the water outlet groove (4), a movable ring (9) is arranged at the center of the interior of the filter screen (8), blades (10) are connected to the inner end of the movable ring (9), a pull rod (11) is connected to the outer side surface of the filter screen (8) at the center, and fixing screws (12) are connected to the upper outer side surface and the lower outer side surface of the water outlet groove (4);

the top surface of valve cap (2) is connected with turns round (13), the one end of turning round (13) is connected with running gear (14), the inside of connecting block (5) is provided with lead screw (16) by the center, the middle part of lead screw (16) is provided with drive gear (15) by the outside, just the both ends of lead screw (16) are leaned on the outside and all are provided with ball bearing (17), the bottom of ball bearing (17) is leaned on the inboard and is provided with draw-in groove (18).

2. The hard-seal horizontal check valve of claim 1, wherein: one side of the blade (10) is in contact with the inner surface of the filter screen (8), the movable ring (9) is rotatably connected with the center of the filter screen (8), and one ends of the two fixing screws (12) respectively penetrate through the side wall of the water inlet groove (3) and are connected with the side edges of the upper end and the lower end of the filter screen (8).

3. The hard-seal horizontal check valve of claim 1, wherein: the outside surface of valve cap (2) is provided with connecting thread, and valve cap (2) is through connecting thread and valve body (1) and can dismantle the setting, valve cap (2) and connecting block (5) fixed connection.

4. The hard-seal horizontal check valve of claim 1, wherein: the bottom end of the torque (13), the rotating gear (14), the transmission gear (15), the screw rod (16) and the upper portion of the ball bearing (17) are all located inside the connecting block (5), and the bottom end of the torque (13), the rotating gear (14), the transmission gear (15), the screw rod (16) and the ball bearing (17) are all movably connected with the connecting block (5).

5. The hard-seal horizontal check valve of claim 1, wherein: the connecting piece (5) is provided with bearing (7) with the junction of baffle (6), and bearing (7) are dismantled with passing through of baffle (6) in connecting piece (5) and setting, and bearing (7) and connecting piece (5) swing joint.

6. The hard-seal horizontal check valve of claim 5, wherein: the two ends of the bearing (7) are respectively connected with the two sides of the connecting block (5) and the two sides of the baffle (6) in a penetrating mode, the outer threads of the two ends of the bearing (7) are connected with fixing nuts, the upper end of the ball bearing (17) is connected with the connecting block (5) in a penetrating mode, and the two fixing nuts are respectively matched with the two clamping grooves (18).