CN218718823U - Trip valve with buffering reposition of redundant personnel structure - Google Patents

Trip valve with buffering reposition of redundant personnel structure Download PDF

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Publication number
CN218718823U
CN218718823U CN202223054984.0U CN202223054984U CN218718823U CN 218718823 U CN218718823 U CN 218718823U CN 202223054984 U CN202223054984 U CN 202223054984U CN 218718823 U CN218718823 U CN 218718823U
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China
Prior art keywords
valve
connecting pipe
valve body
buffering
body shell
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CN202223054984.0U
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Chinese (zh)
Inventor
黄志彬
黄志鹏
黄华龙
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Hunan Jiayi Fluid Intelligent Control Technology Co ltd
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Hunan Jiayi Fluid Intelligent Control Technology Co ltd
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Abstract

The utility model discloses a trip valve with buffering reposition of redundant personnel structure relates to trip valve technical field, and this trip valve includes the valve body shell and sets up the feeding connecting pipe and the row's of setting on its right side row's material connecting pipe in its lower extreme, row's material connecting pipe and feeding connecting pipe and valve body shell inner chamber intercommunication, it is equipped with the ring flange that is used for connecting tube to arrange material connecting pipe and feeding connecting pipe tip, the inside movable valve plate that is used for shutoff feeding connecting pipe upper port that is equipped with of valve body shell, the utility model discloses design to the drawback of current device, through setting up buffer gear, can avoid causing the damage to the valve body to the impact force that the cut-off body produced in the twinkling of an eye, when exceeding the buffering limit, can also cushion through the mode that the overflow was collected to further carry out the energy-absorbing operation, provide two protection for equipment, the practicality is strong.

Description

Trip valve with buffering reposition of redundant personnel structure
Technical Field
The utility model relates to a valve body technical field specifically is a trip valve with buffering reposition of redundant personnel structure.
Background
The quick cut-off valve is one kind of executing mechanism in automatic system, consists of multiple spring pneumatic film executing mechanism or floating piston executing mechanism and regulating valve, and receives the signal from the regulating instrument to control the cut-off, connection or switching of the fluid in the technological pipeline. The device has the characteristics of simple structure, sensitive response, reliable action and the like. Is widely applied to combustible gases such as coal gas, natural gas, liquefied petroleum gas and the like. The trip valve can produce the water hammer effect when cutting off flow, and then produces very big impact to the pipeline inner wall, and this kind of impact can harm the life of pipeline, especially to the valve body structure, so it is very necessary to provide the structure of buffering or reposition of redundant personnel to the impact that causes when unloading the shut-off fluid, based on this, provide a trip valve that has buffering reposition of redundant personnel structure now, can eliminate the drawback that current device exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a trip valve with buffering reposition of redundant personnel structure to solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a trip valve with buffering reposition of redundant personnel structure, includes the valve body shell and sets up the feed connection pipe and the row's of setting on its right side material connecting pipe at its lower extreme, arrange material connecting pipe and feed connection pipe and valve body shell inner chamber intercommunication, it is equipped with the ring flange that is used for connecting tube to arrange material connecting pipe and feed connection pipe tip, the inside movable valve plate that is used for shutoff feed connection pipe to go up the port that is equipped with of valve body shell, the valve plate guide post is connected to movable valve plate upper end, valve body shell upper end be equipped with the sealed uide bushing of valve plate guide post outside sliding seal, valve plate guide post connection is used for driving its up-and-down motion in order to realize sealed lift driving piece, be equipped with the buffer gear who is used for carrying out the buffering to the fluid on the valve plate guide post.
On the basis of the technical scheme, the utility model discloses still provide following optional technical scheme:
in one alternative: buffer gear is including setting up the slide of unloading in the valve plate guide post inside, movable valve plate intermediate position offer one with unload the pressure release opening of slide intercommunication, it is equipped with a pressure release piston board to slide in the slide of unloading, the pressure release piston board outside is equipped with and unloads slide inner wall matched with sealing ring, it is fixed to connect through buffer spring between pressure release piston board upper end and the slide interior top of unloading.
In one alternative: buffer gear is still including setting up the diffluence pass in valve plate guide post upper right side, and this diffluence pass position is equipped with a pressure release spring, and storage piece is connected to pressure release spring outer end, storage piece includes a pipe fitting connecting block that is used for saving the material, the feed end of pipe fitting connecting block is equipped with the material receiving pipe of being connected with pressure release spring.
In one alternative: and a pressure gauge for detecting the content of the materials in the pipe fitting connecting block is arranged on the pipe fitting connecting block.
In one alternative: the lifting driving piece is including setting up the traction plate in the valve plate guide post outside, the traction plate is L shape structure, be equipped with the guide between valve body shell and the traction plate, the horizontal segment of traction plate is equipped with a transmission hole, the cooperation is equipped with a drive cam in the transmission hole, the drive cam is connected and is used for driving its pivoted reduction gear, the reduction gear is installed at valve body shell left side wall, the input connection of reduction gear is used for driving its pivoted driving motor, driving motor also sets up on the valve body shell.
In one alternative: a plurality of spherical cavities are distributed on the outer side of the transmission cam in an array mode, and each spherical cavity is matched with a steel ball.
In one alternative: the guide piece comprises a guide sleeve arranged on the traction plate, the guide sleeve is arranged in a sliding mode with the guide rod, and the lower end of the guide rod is fixedly connected with the upper end of the valve body shell.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses drawback to current device designs, through setting up buffer gear, can avoid causing the damage to the valve body to the impact force that the cut-off body produced in the twinkling of an eye, when exceeding the buffering limit, can also cushion through the mode that the overflow was collected to further carry out the energy-absorbing operation, provide two protection for equipment, the practicality is strong.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the left structure of the present invention.
Fig. 3 is a schematic view of the internal structure of the present invention.
Notations for reference numerals: the valve body comprises a valve body shell 11, a movable valve plate 12, a feeding connecting pipe 13, a pressure relief port 14, a pressure relief piston plate 15, a sealing guide sleeve 16, a discharge connecting pipe 17, a one-way valve 18, a pipe connecting block 19, a pressure relief spring 20, a buffer spring 21, a discharge slideway 22, a valve plate guide post 23, a guide rod 24, a guide sleeve 25, a traction plate 26, a transmission hole 27, a transmission cam 28, a speed reducer 29 and a driving motor 30.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
In one embodiment, as shown in fig. 1-3, a shut-off valve with a buffering and shunting structure comprises a valve body housing 11, a feeding connecting pipe 13 arranged at the lower end of the valve body housing, and a discharging connecting pipe 17 arranged at the right side of the valve body housing, wherein the discharging connecting pipe 17 and the feeding connecting pipe 13 are communicated with an inner cavity of the valve body housing 11, the end parts of the discharging connecting pipe 17 and the feeding connecting pipe 13 are provided with flanges for connecting pipelines, a movable valve plate 12 for sealing the upper end of the feeding connecting pipe 13 is arranged inside the valve body housing 11, the upper end of the movable valve plate 12 is connected with a valve plate guide post 23, the upper end of the valve body housing 11 is provided with a sealing guide sleeve 16 which is in sliding sealing with the outer side of the valve plate guide post 23, the valve plate guide post 23 is connected with a lifting driving member for driving the valve plate to move up and down to realize sealing, the valve plate guide post 23 is provided with a buffering mechanism for buffering fluid, when in actual use, the valve plate guide post 23 is driven by the lifting driving the valve plate to move up, the movable valve plate guide post 23 is separated from the upper end of the feeding connecting pipe 13, when the shut-off, the valve is required to be cut off, and the upper end of the buffering mechanism can be absorbed, and the feeding connecting pipe 13;
the buffer mechanism comprises an unloading slide way 22 arranged in a valve plate guide post 23, a pressure relief through hole 14 communicated with the unloading slide way 22 is formed in the middle of the movable valve plate 12, a pressure relief piston plate 15 is arranged in the unloading slide way 22 in a sliding mode, a sealing ring matched with the inner wall of the unloading slide way 22 is arranged on the outer side of the pressure relief piston plate 15, and the upper end of the pressure relief piston plate 15 is fixedly connected with the inner top of the unloading slide way 22 through a buffer spring 21, so that when impact force occurs, the pressure relief piston plate 15 can slide along the inner wall of the unloading slide way 22, the instantaneously generated impact force can be absorbed by the deformed buffer spring 21, and the influence of instantaneous impact on a pipeline is eliminated;
the buffer mechanism further comprises a flow dividing port arranged at the upper right side of the valve plate guide column 23, a pressure relief spring 20 is arranged at the position of the flow dividing port, the outer end of the pressure relief spring 20 is connected with a storage part, the storage part comprises a pipe fitting connecting block 19 for storing materials, a material receiving pipe connected with the pressure relief spring 20 is arranged at the feed end of the pipe fitting connecting block 19, when the pressure relief piston plate 15 slides to the maximum position along the inner wall of the discharging slide way 22, the maximum limit is buffered at the moment, the materials are discharged along the flow dividing port at the moment and are further buffered in the pipe fitting connecting block 19, a later-stage worker only needs to replace the pipe fitting connecting block 19, and a pressure gauge for detecting the content of the materials in the pipe fitting connecting block 19 is arranged so as to provide a reference basis for replacement;
the buffering mode provided by the application can buffer by virtue of the spring and can unload by overflowing, so that the impact force caused by truncation is reduced;
the lifting driving piece comprises a traction plate 26 arranged on the outer side of a valve plate guide post 23, the traction plate 26 is of an L-shaped structure, a guide piece is arranged between a valve body shell 11 and the traction plate 26, a transmission hole 27 is formed in the horizontal section of the traction plate 26, a transmission cam 28 is arranged in the transmission hole 27 in a matching mode, the transmission cam 28 is connected with a speed reducer 29 used for driving the transmission cam to rotate, the speed reducer 29 is installed on the left side wall of the valve body shell 11, the input end of the speed reducer 29 is connected with a driving motor 30 used for driving the speed reducer to rotate, the driving motor 30 is also arranged on the valve body shell 11, under the action of the driving motor 30, the speed reducer 29 drives the transmission cam 28 to rotate, when the lowest position of the transmission cam 28 is in contact with the transmission hole 27, the valve body is in a closed state, and when the transmission cam 28 continues to rotate, the transmission cam 28 can generate driving force on the top in the transmission hole 27, so that the traction plate 26 slides upwards, and the valve opening operation is realized;
in order to reduce the friction force between the transmission hole 27 and the transmission cam 28, a plurality of spherical cavities are distributed in an array on the outer side of the transmission cam 28, and each spherical cavity is matched with one steel ball, so that the contact between the transmission cam 28 and the transmission hole 27 is changed into rolling friction, and the abrasion between components is reduced;
the guide piece comprises a guide sleeve 25 arranged on a traction plate 26, the guide sleeve 25 and a guide rod 24 are arranged in a sliding mode, the lower end of the guide rod 24 is fixedly connected with the upper end of the valve body shell 11, and the guide sleeve 25 is matched with the guide rod 24 to enable the valve plate guide column 23 to lift stably;
the above-mentioned embodiment discloses a trip valve with buffering reposition of redundant personnel structure, in the time of practical use, it rotates to drive reduction gear 29 through driving motor 30, reduction gear 29 drives transmission cam 28 and rotates, transmission cam 28 cooperatees with transmission hole 27, thereby for the traction plate 26 provides upper and lower drive force, under the guide of guide, valve plate guide post 23 can be along with the stable upper and lower slip of traction plate 26, thereby obtain the power of switching, when valve plate guide post 23 drives movable valve plate 12 down shutoff feeding connecting pipe 13 upper port, when present impact force, pressure release piston plate 15 can slide along the slide 22 inner wall of unloading, the impact force that produces in the twinkling of an eye can be absorbed by the buffer spring 21 of deformation, thereby eliminate the impact in the twinkling of an eye and to the influence of pipeline, cushion to the maximum limit, the material is discharged along the reposition of redundant personnel this moment along the mouth, and then cached in pipe fitting connecting block 19, later stage staff only need change pipe fitting connecting block 19 can.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (7)

1. The utility model provides a trip valve with buffering reposition of redundant personnel structure, includes valve body shell (11) and sets up feeding connecting pipe (13) at its lower extreme and row's material connecting pipe (17) of setting on its right side, a serial communication port, arrange material connecting pipe (17) and feeding connecting pipe (13) and valve body shell (11) inner chamber intercommunication, it is equipped with the ring flange that is used for connecting the pipeline to arrange material connecting pipe (17) and feeding connecting pipe (13) tip, valve body shell (11) inside is equipped with one and is used for shutoff movable valve plate (12) of port on feeding connecting pipe (13), valve plate guide post (23) are connected to movable valve plate (12) upper end, valve body shell (11) upper end be equipped with valve plate guide post (23) outside sliding seal's sealed uide bushing (16), valve plate guide post (23) are connected and are used for driving its up-and-down motion in order to realize sealed lift driving piece, be equipped with the buffer gear who is used for the fluidics and cushion the fluid on valve plate guide post (23).
2. The cut-off valve with buffering reposition of redundant personnel structure of claim 1, characterized in that, buffer gear is including setting up the slide (22) of unloading inside valve plate guide post (23), movable valve plate (12) intermediate position is seted up one and is unloaded pressure release opening (14) that slide (22) communicate, it is equipped with a pressure release piston board (15) to slide in the slide (22) of unloading, pressure release piston board (15) outside is equipped with and unloads slide (22) inner wall matched with sealing ring, be connected fixedly through buffer spring (21) between pressure release piston board (15) upper end and the slide (22) interior top of unloading.
3. The cut-off valve with the buffering and flow dividing structure is characterized in that the buffering mechanism further comprises a flow dividing port arranged at the upper right side of the valve plate guide post (23), a pressure relief spring (20) is arranged at the flow dividing port, the outer end of the pressure relief spring (20) is connected with a storage part, the storage part comprises a pipe connecting block (19) used for storing materials, and a material receiving pipe connected with the pressure relief spring (20) is arranged at the feeding end of the pipe connecting block (19).
4. The shut-off valve with the buffering and flow dividing structure is characterized in that a pressure gauge for detecting the content of materials in the pipe connecting block (19) is arranged on the pipe connecting block.
5. The shut-off valve with the buffering and shunting structure is characterized in that the lifting driving member comprises a traction plate (26) arranged on the outer side of a valve plate guide post (23), the traction plate (26) is of an L-shaped structure, a guide member is arranged between the valve body shell (11) and the traction plate (26), a transmission hole (27) is formed in the horizontal section of the traction plate (26), a transmission cam (28) is arranged in the transmission hole (27) in a matching mode, the transmission cam (28) is connected with a speed reducer (29) used for driving the transmission cam to rotate, the speed reducer (29) is installed on the left side wall of the valve body shell (11), the input end of the speed reducer (29) is connected with a driving motor (30) used for driving the speed reducer to rotate, and the driving motor (30) is also arranged on the valve body shell (11).
6. The shut-off valve with the buffering flow dividing structure is characterized in that a plurality of spherical cavities are distributed on the outer side of the transmission cam (28) in an array mode, and each spherical cavity is matched with one steel ball.
7. The shut-off valve with the buffering flow dividing structure is characterized in that the guide piece comprises a guide sleeve (25) arranged on a traction plate (26), the guide sleeve (25) is arranged in a sliding mode with a guide rod (24), and the lower end of the guide rod (24) is fixedly connected with the upper end of a valve body shell (11).
CN202223054984.0U 2022-11-17 2022-11-17 Trip valve with buffering reposition of redundant personnel structure Active CN218718823U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223054984.0U CN218718823U (en) 2022-11-17 2022-11-17 Trip valve with buffering reposition of redundant personnel structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223054984.0U CN218718823U (en) 2022-11-17 2022-11-17 Trip valve with buffering reposition of redundant personnel structure

Publications (1)

Publication Number Publication Date
CN218718823U true CN218718823U (en) 2023-03-24

Family

ID=85621986

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223054984.0U Active CN218718823U (en) 2022-11-17 2022-11-17 Trip valve with buffering reposition of redundant personnel structure

Country Status (1)

Country Link
CN (1) CN218718823U (en)

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