CN111120669A

CN111120669A - Anti-blocking gate valve for wastewater drainage

Info

Publication number: CN111120669A
Application number: CN202010088918.1A
Authority: CN
Inventors: 段家贵; 吴庆林; 王健; 吴加成; 崔立军; 王立星; 许克庆
Original assignee: Tangshan Weide Marine Equipment Co ltd
Current assignee: Tangshan Weide Marine Equipment Co ltd
Priority date: 2020-02-12
Filing date: 2020-02-12
Publication date: 2020-05-08

Abstract

The invention relates to the field of valve bodies and discloses an anti-blocking gate valve for wastewater drainage, which comprises a valve body, wherein external connecting pipes are arranged at two ends of the valve body, a sealing structure is movably sleeved on the outer surface of the external connecting pipe, a dredging structure is arranged on the outer surface of the front end of the valve body, a valve core shell is arranged on the outer surface of the upper end of the valve body, a valve rod penetrates through the outer surface of the upper end of the valve core shell, a rotary disc is arranged at the upper end of the valve rod, an assisting structure is arranged on the outer surface of the periphery of the rotary disc, and limiting structures are arranged on two. The anti-blocking gate valve for wastewater drainage has the advantages of difficult blocking, good sealing degree of the joint, easy rotation of the rotary disc and difficult damage to the valve core due to excessive rotation.

Description

Anti-blocking gate valve for wastewater drainage

Technical Field

The invention relates to the field of valve bodies, in particular to an anti-blocking gate valve for wastewater drainage.

Background

The gate valve is an opening and closing piece gate plate, the movement direction of the gate plate is vertical to the fluid direction, the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled, the gate valve is sealed by the contact of a valve seat and the gate plate, and usually, metal materials are welded on a sealing surface to increase the wear resistance, such as 1Cr13, STL6, stainless steel and the like; the flashboard has rigidity flashboard and elasticity flashboard, according to the difference of flashboard, the gate valve divide into rigidity gate valve and elasticity gate valve, current gate valve is used in waste water drainage in-process, the easy phenomenon of taking place the jam, secondly, the junction sealing degree is not enough, still, rotate the valve rod in-process, the carousel surface is smooth, difficult rotation, finally, it excessively easily causes the damage of case department to rotate the valve rod, for this reason, we provide a waste water drainage with preventing blocking gate valve, mainly be applied to large-scale transport means such as boats and ships.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the anti-blocking gate valve for wastewater drainage, which is not easy to block, has better sealing degree at the joint, is easy to rotate by a rotary disc and is not easy to damage a valve core due to over-rotation.

(II) technical scheme

In order to realize the purposes of uneasy blockage, good sealing degree of the joint, easy rotation of the turntable and uneasy damage of the valve core caused by over rotation, the invention provides the following technical proposal: the utility model provides a waste water drainage is with preventing blocking gate valve, includes the valve body, the both ends department of valve body installs external pipe, the outer movable sleeve of surface of external pipe has seal structure, the front end surface of valve body is provided with mediation structure, the upper end surface of valve body is provided with the case shell, the upper end surface of case shell runs through and is provided with the valve rod, the carousel is installed to the upper end of valve rod, the surface is provided with the assistance structure around the carousel, the both sides that the upper end surface of case shell is close to the valve rod are provided with limit structure.

Preferably, the both ends fixedly connected with flange plate of valve body, the one end fixedly connected with mounting flange plate of outer takeover, closely laminate between flange plate and the mounting flange plate, the surface of mounting flange plate is close to the edge and squeezes into there is reinforcing bolt, reinforcing bolt runs through in one side surface of mounting flange plate, and reinforcing bolt's one end extends to flange plate's surface, through reinforcing bolt fixed connection between mounting flange plate and the flange plate, reinforcing bolt's quantity is a plurality of groups, reinforcing bolt is ring array and arranges.

Preferably, the sealing washer is accompany between flange plate and the mounting flange dish, the sealing washer is the rubber material, be swing joint between sealing washer and flange plate and the mounting flange dish.

Preferably, the mediation structure is including running through a section of thick bamboo, screw thread post and rotating head, run through a section of thick bamboo and run through in the front end surface of valve body, and run through the inboard cavity of a section of thick bamboo and communicate in the inboard of valve body, run through for fixed connection between a section of thick bamboo and the valve body, the screw thread post runs through in the inboard of valve body, the screw thread post with run through for threaded connection between the section of thick bamboo, be fixed connection between the upper end of rotating head and screw thread post.

Preferably, the carousel includes disk body and strengthening frame, the disk body is the annular shape, disk body and the coaxial setting of valve rod, the quantity of strengthening frame is a plurality of groups, the strengthening frame is annular array along the surface of valve rod arranges, be fixed connection between the one end of strengthening frame and the inner wall of disk body, be fixed connection between disk body and the valve rod through between the strengthening frame.

Preferably, assist the structure including stir the strip, hide groove, connecting axle, hide the surface around the groove seting up in the carousel, stir a movable card in the inboard of hiding the groove, the connecting axle runs through in the upper and lower both ends surface of stirring the strip, the connecting axle with stir between the strip be fixed connection, the connecting axle runs through the upper and lower both ends surface in the carousel simultaneously, the carousel with stir through connecting axle swing joint between the strip, the quantity of assisting the structure is three groups, assist the structure and be annular array and arrange.

Preferably, limit structure includes threaded rod, limiting plate and activity post, the threaded rod runs through in the upper end surface of limiting plate, and the lower extreme of threaded rod extends to the upper end surface of case shell, be threaded connection between threaded rod and the limiting plate, the activity post runs through in one side that the upper end surface of limiting plate is close to the threaded rod, be swing joint between activity post and the limiting plate, be fixed connection between the lower extreme of activity post and the upper end surface of case shell.

Preferably, the valve rod runs through the position between the upper end surface of limiting plate and being close to threaded rod and activity post, be swing joint between valve rod and the limiting plate, the lower extreme of valve rod is provided with the piston, the piston runs through in the outside of case shell alive, the inboard of the external pipe at both ends and valve body is linked together, the piston card is in the inner wall department of valve body, be swing joint between valve rod and the case shell.

Preferably, seal structure includes that screw ring, rubber circle, card income mouth and card go into protruding edge, the screw thread face has been seted up to the surface of external pipe, through screw thread face threaded connection between screw ring and the external pipe, the card entry is seted up in one side surface of screw ring, the protruding edge of card income extends from one side surface of rubber circle, the protruding card of card income is along the inboard of card entry, the activity laminating between screw ring and the rubber circle.

(III) advantageous effects

Compared with the prior art, the invention provides an anti-blocking gate valve for wastewater drainage, which has the following beneficial effects:

1. this waste water drainage is with preventing blocking gate valve through being provided with the mediation structure, if the valve body takes place when blockking, through rotating the rotating head, with the screw thread post from the inboard back-out that runs through a section of thick bamboo, through letting in highly-compressed air to the inboard that runs through a section of thick bamboo, make the inboard filth that blocks of valve body wash away under gaseous impact, and then can assist the inboard mediation of valve body, be favorable to the normal work of valve body.

2. This waste water drainage is with preventing blocking gate valve, through being provided with seal structure, through rotating the screw ring, the effect of cooperation thread face for the screw ring is followed the surface removal of taking over outward, and the port department that supports the connecting tube is supported to the rubber circle up to making, can be so that take over the driving fit of junction outward, goes into protruding edge of card and the cooperation of card entry, and the taking off of the rubber circle of being convenient for is changed, and the driving fit degree of junction when can guaranteeing outer connecting tube is comparatively comprehensive.

3. This waste water drainage is with preventing blocking gate valve, through being provided with assistance structure and carousel, stirs the strip through dialling open for stir the strip and rotate along the connecting axle, stir the strip and from hiding the inboard of entering groove and roll out, later at the in-process that rotates the carousel, finger portion contacts with stirring the strip, in order to ensure that the user can not skid because of the surface is too smooth, be difficult to rotate rotating the carousel in rotating the carousel, is favorable to the user to rotate the carousel, and it is more convenient to use.

4. This waste water drainage is with preventing blocking gate valve, through being provided with limit structure, through rotating the threaded rod, make the limiting plate reciprocate along the surface of threaded rod, the limiting plate can slide about the surface of activity post simultaneously, can adjust the place height of limiting plate, when the carousel rotates the drive valve rod and moves down, will unable downward rotation again when meetting the hindrance effect of limiting plate, thereby avoided carousel and valve rod excessively to move down and cause the phenomenon that the case damaged, be favorable to ensureing the normal use of valve body.

Drawings

FIG. 1 is an overall structural view of the present invention;

FIG. 2 is a block diagram of the present invention at the turntable;

FIG. 3 is a partial front view of the present invention;

FIG. 4 is an exploded view of the seal of the present invention;

figure 5 is an exploded view of the pull through mechanism of the present invention.

In the figure: 1. a valve body; 2. connecting a flange plate; 3. mounting a flange plate; 4. reinforcing the bolt; 5. an external connection pipe; 51. a thread face; 6. a sealing structure; 61. a threaded ring; 62. a rubber ring; 63. a card entrance; 64. clamping into the convex edge; 7. a dredging structure; 71. a through barrel; 72. a threaded post; 73. rotating the head; 8. a valve core housing; 9. a valve stem; 10. a turntable; 101. a tray body; 102. a reinforcing frame; 11. an assistance structure; 111. the bar is stirred; 112. hiding the groove; 113. a connecting shaft; 12. a limiting structure; 121. a threaded rod; 122. a limiting plate; 123. a movable column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an anti-blocking gate valve for wastewater drainage comprises a valve body 1, external pipes 5 are mounted at two ends of the valve body 1, a sealing structure 6 is movably sleeved on the outer surface of the external pipe 5, a dredging structure 7 is arranged on the outer surface of the front end of the valve body 1, a valve core shell 8 is arranged on the outer surface of the upper end of the valve body 1, a valve rod 9 is arranged on the outer surface of the upper end of the valve core shell 8 in a penetrating manner, a rotary disc 10 is mounted at the upper end of the valve rod 9, an assisting structure 11 is arranged on the outer surface of the periphery of the rotary disc 10, and limiting structures.

The both ends fixedly connected with flange plate 2 of valve body 1, the one end fixedly connected with mounting flange plate 3 of external pipe 5, closely laminate between flange plate 2 and the mounting flange plate 3, the surface of mounting flange plate 3 is close to the edge and has squeezed into reinforcing bolt 4, reinforcing bolt 4 runs through in one side surface of mounting flange plate 3, and reinforcing bolt 4's one end extends to flange plate 2's surface, through reinforcing bolt 4 fixed connection between mounting flange plate 3 and the flange plate 2, reinforcing bolt 4's quantity is a plurality of groups, reinforcing bolt 4 is the ring array and arranges.

The sealing ring is clamped between the connecting flange plate 2 and the mounting flange plate 3 and is made of rubber, and the sealing ring is movably connected with the connecting flange plate 2 and the mounting flange plate 3 to improve the sealing degree and prevent the leakage of the joint.

Dredge structure 7 including running through a section of thick bamboo 71, screw post 72 and rotating head 73, run through a section of thick bamboo 71 and run through in the front end surface of valve body 1, and the inboard cavity that runs through a section of thick bamboo 71 communicates in the inboard of valve body 1, run through for fixed connection between a section of thick bamboo 71 and the valve body 1, screw post 72 runs through in the inboard of valve body 1, screw post 72 and run through for threaded connection between a section of thick bamboo 71, be fixed connection between the upper end of rotating head 73 and screw post 72, rotating head 73 is convenient for screw post 72 to rotate and is unscrewed.

The rotary table 10 comprises a table body 101 and reinforcing frames 102, the table body 101 is in a circular ring shape, the table body 101 and the valve rods 9 are coaxially arranged, the reinforcing frames 102 are arranged in a plurality of groups, the reinforcing frames 102 are arranged along the outer surface of the valve rods 9 in an annular array mode, one ends of the reinforcing frames 102 are fixedly connected with the inner wall of the table body 101, the table body 101 and the valve rods 9 are fixedly connected through the reinforcing frames 102, and the stability of the table body 101 is improved.

Assist structure 11 including stirring strip 111, hide and go into groove 112, connecting axle 113, hide and go into groove 112 and set up the surface around carousel 10, stir the inboard of strip 111 activity card in hiding groove 112, connecting axle 113 runs through in the upper and lower both ends surface of stirring strip 111, be fixed connection between connecting axle 113 and the stirring strip 111, connecting axle 113 runs through the upper and lower both ends surface in carousel 10 simultaneously, carousel 10 and stir through connecting axle 113 swing joint between the strip 111, the quantity of assisting structure 11 is three groups, assist structure 11 to be annular array and arrange, many fingers of the person of facilitating the use rotate the application of force jointly.

Limiting structure 12 includes threaded rod 121, limiting plate 122 and activity post 123, threaded rod 121 runs through in limiting plate 122's upper end surface, and threaded rod 121's lower extreme extends to case shell 8's upper end surface, be threaded connection between threaded rod 121 and the case shell 8, be threaded connection between threaded rod 121 and the limiting plate 122, activity post 123 runs through the one side that is close to threaded rod 121 in limiting plate 122's upper end surface, be swing joint between activity post 123 and the limiting plate 122, be fixed connection between the lower extreme of activity post 123 and the upper end surface of case shell 8, improve limiting plate 122's firm degree, can not take place to drive limiting plate 122 co-rotation when rotating threaded rod 121.

Valve rod 9 runs through in position between the upper end surface of limiting plate 122 is close to threaded rod 121 and activity post 123, be swing joint between valve rod 9 and the limiting plate 122, the lower extreme of valve rod 9 is provided with the piston, the piston runs through in the outside of case shell 8 alive, the inboard of the outer pipe 5 at both ends of inboard and the valve body 1 is linked together, the piston card is in the inner wall department of valve body 1, be swing joint between valve rod 9 and the case shell 8, ensure that valve rod 9 can reciprocate, be threaded connection between valve rod 9 and the case shell 8, it reciprocates to drive the movable stopper after rotating, with the opening and close of control valve body 1.

Seal structure 6 includes threaded ring 61, rubber circle 62, bayonet 63 and the protruding edge 64 of card income, the screw thread face 51 has been seted up to the surface of external pipe 5, threaded ring 61 and external pipe 5 between through screw thread face 51 threaded connection, bayonet 63 is seted up in one side surface of threaded ring 61, protruding edge 64 of card income extends from one side surface of rubber circle 62, the protruding edge 64 card of card income is in the inboard of entrance 63, the laminating of activity between threaded ring 61 and the rubber circle 62, so that rubber circle 62 takes off, ensure taking off of rubber circle 62.

During operation, the user rotates the threaded ring 61, and cooperates with the action of the threaded surface 51 to move the threaded ring 61 along the surface of the outer connecting pipe 5 until the rubber ring 62 abuts against the port of the connecting pipe, so as to seal the joint of the outer connecting pipe 5, and the male edge 64 and the snap-in port 63 are engaged, so as to facilitate the removal and replacement of the rubber ring 62, thereby ensuring the sealing degree of the joint during the outer connecting pipe, and is relatively comprehensive, if the valve body 1 is blocked, the user rotates the rotating head 73 to unscrew the threaded column 72 from the inner side of the through cylinder 71, and by introducing high-pressure air into the inner side of the through cylinder 71, the dirt blocked at the inner side of the valve body 1 is flushed away under the impact of gas, thereby assisting the dredging at the inner side of the valve body 1, which is beneficial to the normal operation of the valve body 1, the user dials away the toggle strip 111, so that the toggle strip 111 rotates along the connecting shaft 113, and the toggle strip 111 rotates, later at the in-process of rotating carousel 10, finger portion contacts with stir strip 111, in order to ensure that the user can not skid because of the surface is too smooth rotating carousel 10, be difficult to rotate, be favorable to the user to rotate carousel 10, it is more convenient to use, the user rotates threaded rod 121, make limiting plate 122 reciprocate along the surface of threaded rod 121, limiting plate 122 can slide about the surface of activity post 123 simultaneously, can adjust the place height of limiting plate 122, when carousel 10 rotates drive valve rod 9 and moves down, can't rotate downwards again when meetting limiting plate 122's hindrance, thereby avoided carousel 10 and valve rod 9 excessively to move down and cause the phenomenon that the case damaged, be favorable to ensuring the normal use of valve body 1.

In summary, by providing the dredging structure 7, if the valve body 1 is blocked, the threaded column 72 is screwed out from the inner side of the penetrating cylinder 71 by rotating the rotating head 73, and high-pressure air is introduced into the inner side of the penetrating cylinder 71, so that the dirt blocked at the inner side of the valve body 1 is flushed away under the impact of the gas, thereby assisting the dredging of the inner side of the valve body 1 and facilitating the normal operation of the valve body 1; by arranging the sealing structure 6, the threaded ring 61 is rotated to match with the action of the thread surface 51, so that the threaded ring 61 moves along the surface of the outer connecting pipe 5 until the rubber ring 62 abuts against the port of the connecting pipeline, the joint of the outer connecting pipe 5 can be sealed, the clamping convex edge 64 is matched with the clamping opening 63, the rubber ring 62 can be conveniently taken down for replacement, and the sealing degree of the joint can be ensured to be comprehensive when the pipeline is externally connected; through the arrangement of the assisting structure 11 and the turntable 10, the toggle bar 111 is opened, so that the toggle bar 111 rotates along the connecting shaft 113, the toggle bar 111 rotates out from the inner side of the hidden groove 112, and then the finger part is in contact with the toggle bar 111 in the process of rotating the turntable 10, so that a user is ensured not to slip and difficultly rotate due to the fact that the surface of the rotating turntable 10 is too smooth, the rotating turntable 10 is beneficial to the user, and the use is more convenient; through being provided with limit structure 12, through rotating threaded rod 121, make limiting plate 122 reciprocate along threaded rod 121's surface, limiting plate 122 can slide from top to bottom at the surperficial of activity post 123 simultaneously, can adjust the height at which limiting plate 122 is located, when carousel 10 rotates to drive valve rod 9 and moves down, can't rotate downwards again when meetting limiting plate 122's hindrance effect, thereby avoided carousel 10 and valve rod 9 excessively to move down and cause the phenomenon that the case damaged, be favorable to ensureing the normal use of valve body 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a waste water drainage is with preventing blocking gate valve, includes valve body (1), its characterized in that: the utility model discloses a valve, including valve body (1), outer takeover (5), outer movable sleeve of surface of takeover (5) has seal structure (6), the front end surface of valve body (1) is provided with mediation structure (7), the upper end surface of valve body (1) is provided with case shell (8), the upper end surface of case shell (8) runs through and is provided with valve rod (9), carousel (10) are installed to the upper end of valve rod (9), the surface is provided with around carousel (10) and assists structure (11), the upper end surface of case shell (8) is close to the both sides of valve rod (9) and is provided with limit structure (12).

2. The anti-clogging gate valve for wastewater drainage according to claim 1, characterized in that: the utility model discloses a valve body, including the valve body, the both ends fixedly connected with flange plate (2) of valve body (1), the one end fixedly connected with flange plate (3) of outer takeover (5), closely laminate between flange plate (2) and flange plate (3), the surface of flange plate (3) is close to the edge and squeezes into and has reinforcing bolt (4), reinforcing bolt (4) run through in one side surface of flange plate (3), and the one end of reinforcing bolt (4) extends to the surface of flange plate (2), through reinforcing bolt (4) fixed connection between flange plate (3) and flange plate (2), the quantity of reinforcing bolt (4) is a plurality of groups, reinforcing bolt (4) are the ring array and arrange.

3. The anti-clogging gate valve for wastewater drainage according to claim 1, characterized in that: the sealing ring is clamped between the connecting flange plate (2) and the mounting flange plate (3), the sealing ring is made of rubber, and the sealing ring is movably connected with the connecting flange plate (2) and the mounting flange plate (3).

4. The anti-clogging gate valve for wastewater drainage according to claim 1, characterized in that: dredge structure (7) including running through a section of thick bamboo (71), screw thread post (72) and rotating head (73), run through a section of thick bamboo (71) and run through in the front end surface of valve body (1), and run through the inboard cavity intercommunication in the inboard of valve body (1) of a section of thick bamboo (71), it is fixed connection to run through between a section of thick bamboo (71) and valve body (1), screw thread post (72) run through in the inboard of valve body (1), screw thread post (72) and run through for threaded connection between a section of thick bamboo (71), be fixed connection between the upper end of rotating head (73) and screw thread post (72).

5. The anti-clogging gate valve for wastewater drainage according to claim 1, characterized in that: carousel (10) include disk body (101) and reinforcing frame (102), disk body (101) are the annular shape, disk body (101) and valve rod (9) coaxial setting, the quantity of reinforcing frame (102) is a plurality of groups, reinforcing frame (102) are arranged along the exterior surface of valve rod (9) and are annular array, be fixed connection between the one end of reinforcing frame (102) and the inner wall of disk body (101), be fixed connection between disk body (101) and valve rod (9) through reinforcing frame (102).

6. The anti-clogging gate valve for wastewater drainage according to claim 1, characterized in that: assist structure (11) including stir strip (111), hide and go into groove (112), connecting axle (113), hide and go into groove (112) and set up the surface around carousel (10), stir strip (111) activity card in the inboard of hiding into groove (112), connecting axle (113) run through in the upper and lower both ends surface of stirring strip (111), be fixed connection between connecting axle (113) and stir strip (111), connecting axle (113) run through the upper and lower both ends surface in carousel (10) simultaneously, carousel (10) and stir between strip (111) through connecting axle (113) swing joint, the quantity of assisting structure (11) is three groups, it arranges to assist structure (11) to be annular array.

7. The anti-clogging gate valve for wastewater drainage according to claim 1, characterized in that: limit structure (12) include threaded rod (121), limiting plate (122) and activity post (123), threaded rod (121) run through in the upper end surface of limiting plate (122), and the lower extreme of threaded rod (121) extends to the upper end surface of case shell (8), be threaded connection between threaded rod (121) and limiting plate (122), activity post (123) run through in one side that the upper end surface of limiting plate (122) is close to threaded rod (121), be swing joint between activity post (123) and limiting plate (122), be fixed connection between the lower extreme of activity post (123) and the upper end surface of case shell (8).

8. The anti-clogging gate valve for wastewater drainage according to claim 7, characterized in that: the utility model discloses a valve, including valve body (1), valve rod (9), limiting plate (122), limiting plate (9), the upper end surface of limiting plate (122) is run through and is close to threaded rod (121) and activity post (123) between the position, be swing joint between valve rod (9) and limiting plate (122), the lower extreme of valve rod (9) is provided with the piston, the piston runs through in the outside of case shell (8) alive, the inboard of the outer pipe (5) at both ends of valve body (1) is linked together with the inboard of the outer pipe (5) at both ends, the piston card is in the inner wall department of valve body (1), be swing joint between valve rod (9) and case.

9. The anti-clogging gate valve for wastewater drainage according to claim 1, characterized in that: seal structure (6) are including threaded ring (61), rubber circle (62), card income mouth (63) and go into protruding edge (64) with the card, screw thread face (51) have been seted up to the surface of external takeover (5), through screw thread face (51) threaded connection between threaded ring (61) and the external takeover (5), one side surface in threaded ring (61) is seted up in card entry (63), the card goes into protruding edge (64) and extends from one side surface of rubber circle (62), the card goes into protruding edge (64) card in the inboard of card entry (63), the activity laminating between threaded ring (61) and rubber circle (62).