CN216951736U

CN216951736U - Gate valve with variable flow

Info

Publication number: CN216951736U
Application number: CN202220002617.7U
Authority: CN
Inventors: 舒诗意; 舒敏
Original assignee: Hangzhou Huili Technology Co ltd
Current assignee: Hangzhou Huili Technology Co ltd
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-07-12
Anticipated expiration: 2032-01-04

Abstract

The utility model relates to the technical field of valves, in particular to a variable-flow gate valve, which comprises a shell and a gate plate arranged in the shell, the shell comprises an upper shell and a lower shell which are connected through a bolt, a through drainage cavity is arranged in the lower shell, the lower side of the upper shell is provided with a space for accommodating the movement of the flashboard, the upper shell is provided with a lifting mechanism for controlling the movement of the flashboard, a protective shell for preventing the flashboard from being corroded is detachably connected to the flashboard, a sealing ring is arranged on the peripheral wall of the drainage cavity, and in a locking state, the flashboard is positioned in the drainage cavity, the protective shell is abutted against the sealing ring, the protective shells arranged on two sides of the flashboard replace the flashboard to resist erosion of running water, the flashboard is protected, the protective shells are detachably connected with the flashboard, the protective shells can be quickly replaced, and the working efficiency is improved.

Description

Gate valve with variable flow

Technical Field

The utility model relates to the technical field of valves, in particular to a variable-flow gate valve.

Background

The gate valve is an opening and closing member 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 plate is prevented from being opened slightly in the using process, and the damage of a sealing surface can be accelerated due to erosion of a high-speed flowing medium. The gate valve seals through disk seat and flashboard contact, and the sealed face can build up welding metal material in order to increase the wearability usually, and current gate valve passes through the screw rod control flashboard and removes, nevertheless does not carry out fine protection to the flashboard, needs frequently to carry out the change of flashboard, otherwise the condition that the infiltration leaked appears easily, and the flashboard is installed in the inside of gate valve, during the change loaded down with trivial details of work.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one technical problem mentioned in the background art, the utility model aims to provide a variable-flow gate valve, which solves the problems of quick abrasion and complicated replacement of a gate plate.

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

the utility model provides a gate valve of variable flow, includes the casing and installs the flashboard in the casing, the casing includes last casing and lower casing through bolted connection, the internal drainage chamber that runs through that is equipped with of inferior valve, it has the holding to go up the casing downside the space that the flashboard removed, upward be equipped with control on the casing the elevating system that the flashboard removed, can dismantle on the flashboard and be connected with and be used for preventing the protective housing of flashboard corruption, be equipped with the sealing ring on the perisporium in drainage chamber, under the locking state, the flashboard is located the drainage intracavity, the protective housing with the sealing ring butt.

Compared with the prior art, the utility model has the beneficial effects that: through setting up in the protective housing of flashboard both sides, replace the flashboard to keep out the erosion of flowing water, the protection flashboard, the connection can be dismantled to protective housing and flashboard, can make protective housing quick replacement, improves work efficiency, sets up in the sealing ring of the perisporium department in drainage chamber, can guarantee the normal work of gate valve and protective housing and go on in the butt protective housing when sealed.

Further, elevating system including install in the carousel of last casing, the central threaded connection of carousel has the connecting rod, the connecting rod lower extreme passes the upper end wall of last casing with flashboard fixed connection.

Further, the upper end fixed mounting of going up the casing has the support, the carousel with the upper end of support rotates the connection, the connecting rod passes the support.

Further, a fixing block is fixedly mounted at the upper end of the protective shell, a through groove which penetrates through the upper portion and the lower portion of the fixing block is arranged on the fixing block, and the telescopic end of the lifting mechanism penetrates through the through groove and is connected with the flashboard through bolts.

Further, fixed mounting has the extension piece on the lateral wall of protective housing, all be connected with on the lateral wall of flashboard the protective housing, two the protective housing the clearance that has between the extension piece forms the recess, the vertical guide arm that is equipped with on the lateral wall in drainage chamber, the guide arm stretches into two recess between the extension piece.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.

Fig. 2 is a schematic side sectional view of the lower housing according to the embodiment of the present invention.

Fig. 3 is a schematic diagram of a split structure of the gate according to the embodiment of the present invention.

Fig. 4 is a schematic view of a shutter assembling mechanism according to an embodiment of the present invention.

Fig. 5 is a schematic top sectional view of the lower housing according to the embodiment of the present invention.

Fig. 6 is a schematic side sectional view of a housing according to an embodiment of the utility model.

In the figure: 11. a turntable; 12. a connecting rod; 13. a support; 14. an upper housing; 15. a lower housing; 16. a drainage cavity; 21. a seal ring; 22. a guide bar; 31. a protective shell; 32. a shutter plate; 33. a lengthening block; 34. a fixed block; 35. through the slot.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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, the present invention provides a variable flow gate valve, which includes a housing and a gate plate 32 installed in the housing.

The shell comprises an upper shell 14 and a lower shell 15 which are connected through bolts, a drainage cavity 16 is arranged in the lower shell 15 along the X-axis/Y-axis direction, the drainage cavity 16 penetrates through the lower shell 15 along the X-axis/Y-axis direction, a lower accommodating cavity for accommodating the gate plate 32 is arranged inside the upper end wall of the drainage cavity 16, the lower accommodating cavity is communicated with the drainage cavity 16, the gate plate 32 is accommodated in the lower accommodating cavity in a sliding mode, the lower end of the gate plate 32 is abutted against the lower end wall of the drainage cavity 16 in a locking state, the drainage cavity 16 is sealed, when the gate plate 32 is positioned above the drainage cavity 16, the drainage cavity 16 is completely opened, the upper accommodating cavity for accommodating the movement of the gate plate 32 is arranged on the lower side of the upper shell 14 according to the change of the distance between the bottom of the gate plate 32 and the bottom of the drainage cavity 16, and when the gate plate 32 moves to the lower accommodating cavity, the upper end of the upper shell extends into the upper placing cavity, and the upper shell 14 is provided with a lifting mechanism for controlling the movement of the flashboard 32, and the movement of the flashboard 32 is controlled by the lifting mechanism.

Elevating system is including being fixed in go up the support 13 of casing 14, support 13 is cyclic annular vertical setting, installation carousel 11 is rotated to the upper end of support 13, the central threaded connection of carousel 11 has connecting rod 12, carousel 11 rotates, thereby drives reciprocating of connecting rod 12, connecting rod 12 is vertical to be passed support 13, connecting rod 12 with sliding connection about support 13, connecting rod 12 runs through and stretches into go up casing 14, in go up 14 internal fixed connection of casing flashboard 32, thereby connecting rod 12 removes and drives the removal of flashboard 12 realizes flow control's effect, through support 13 supports connecting rod 12 with carousel 14, reducible go up the volume of casing 14, practice thrift the space.

Through the flashboard 32 with the change of flow is controlled to the drainage chamber 16, but when the flashboard 32 is in half-open state, the water impact corrodes easily the flashboard 32, causes the flashboard 32 can't be sealed completely the drainage chamber, can dismantle on the flashboard 32 and be connected with the protective housing 31 that is used for preventing flashboard 32 corrodes, the upper end fixedly connected with fixed block 34 of protective housing 31, fixed block 34 is through bolted connection the flashboard 32, the protective housing 31 with the same material is chooseed for use to the flashboard 32, the protective housing 31 is fixed in the flashboard 32 separation water flow one side, replaces through the protective housing 31 the impact that the flashboard 32 accepted water flow.

In another embodiment, the protective shell 31 is fixedly connected to two sides of the gate plate 32, a gap is reserved between the protective shell 31 on two sides, the fixing blocks 34 are extended, the fixing blocks 34 on two sides are abutted to the upper side of the gate plate 32, and the fixing blocks 34 on two sides are connected through bolts.

The fixing block 34 is provided with a through groove 35 which penetrates through the fixing block from top to bottom, the connecting rod 12 penetrates through the through groove 35, and the connecting rod 12 is abutted to the side wall of the through groove 35.

The equal fixedly connected with of both sides wall of protective housing 31 extends the piece 33, the perisporium in of drainage chamber 16 in the vertical guide arm 22 that is provided with in flashboard 32 both sides, extend piece 33 with guide arm 22 sliding fit, for guaranteeing drainage chamber 16 is sealed, protective housing 31 is the upper end thick, the thin structure of lower extreme, through guide arm 22 with extend piece 33, guarantee the accuracy of the vertical removal of flashboard 32.

In another embodiment, the protective shells 31 on both sides are fixedly connected with extension blocks 33, when two protective shells 31 are installed on the gate plate 32, a gap is left between the two extension blocks 33 to form a sliding slot, and the guide rod 22 extends into the sliding slot, so as to limit the movement of the gate plate 32.

The peripheral wall of the drainage cavity 16 is provided with a sealing ring 21, the sealing ring 21 is positioned on two sides of the flashboard 32, the sealing ring 21 is obliquely arranged and corresponds to the oblique angle of the protective shell 31, the flashboard 32 is positioned in the drainage cavity 16 in a locking state, the protective shell 31 is abutted to the sealing ring 21, and the sealing ring 21 is used for blocking a gap between the protective shell 31 and the drainage cavity 16.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A variable flow gate valve comprising a housing and a gate (32) mounted within the housing, wherein the housing comprises an upper housing (14) and a lower housing (15) connected by bolts, characterized in that: be equipped with drainage chamber (16) that runs through in lower casing (15), it has the holding to go up casing (14) downside the space that flashboard (32) removed, be equipped with control on going up casing (14) the elevating system that flashboard (32) removed, can dismantle on flashboard (32) and be connected with and be used for preventing protective housing (31) that flashboard (32) corrodes, be equipped with sealing ring (21) on the perisporium in drainage chamber (16), under the locking state, flashboard (32) are located in drainage chamber (16), protective housing (31) with sealing ring (21) butt.

2. A variable flow gate valve according to claim 1, wherein: elevating system including install in carousel (11) on last casing (14), the central threaded connection of carousel (11) has connecting rod (12), connecting rod (12) lower extreme passes the upper end wall of last casing (14) with flashboard (32) fixed connection.

3. A variable flow gate valve according to claim 2, wherein: the upper end fixed mounting of going up casing (14) has support (13), carousel (11) with the upper end of support (13) is rotated and is connected, connecting rod (12) pass support (13).

4. A variable flow gate valve according to claim 1, wherein: fixed block (34) are fixedly mounted at the upper end of the protective shell (31), a through groove (35) which penetrates through the upper portion and the lower portion is formed in the fixed block (34), and the telescopic end of the lifting mechanism penetrates through the through groove (35) and is connected with the flashboard (32).

5. A variable flow gate valve according to claim 1, wherein: fixed mounting has extension piece (33) on the lateral wall of protective housing (31), all be connected with on the lateral wall of flashboard (32) protective housing (31), two protective housing (31) have the clearance between extension piece (33) and form the recess, vertically on the lateral wall in drainage chamber (16) be equipped with guide arm (22), guide arm (22) stretch into two recess between extension piece (33).