CN115388200B - Pneumatic three-way confluence regulating valve with improved protection mechanism - Google Patents

Pneumatic three-way confluence regulating valve with improved protection mechanism Download PDF

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Publication number
CN115388200B
CN115388200B CN202211202186.XA CN202211202186A CN115388200B CN 115388200 B CN115388200 B CN 115388200B CN 202211202186 A CN202211202186 A CN 202211202186A CN 115388200 B CN115388200 B CN 115388200B
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CN
China
Prior art keywords
connecting rod
block
pneumatic
sliding
rod
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Active
Application number
CN202211202186.XA
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Chinese (zh)
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CN115388200A (en
Inventor
戴小名
胡国先
余承善
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Jiangsu Datian Valve Manufacturing Co ltd
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Jiangsu Datian Valve Manufacturing Co ltd
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Priority to CN202211202186.XA priority Critical patent/CN115388200B/en
Publication of CN115388200A publication Critical patent/CN115388200A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/12Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/14Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/04Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
    • F16K11/044Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/02Construction of housing; Use of materials therefor of lift valves
    • F16K27/0263Construction of housing; Use of materials therefor of lift valves multiple way valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/12Covers for housings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/44Mechanical actuating means
    • F16K31/50Mechanical actuating means with screw-spindle or internally threaded actuating means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K41/00Spindle sealings
    • F16K41/02Spindle sealings with stuffing-box ; Sealing rings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00Means in valves for absorbing fluid energy
    • F16K47/02Means in valves for absorbing fluid energy for preventing water-hammer or noise

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multiple-Way Valves (AREA)
  • Valve Housings (AREA)

Abstract

The application relates to the technical field of protection of regulating valves, in particular to a pneumatic three-way confluence regulating valve with an improved protection mechanism, which comprises a three-way valve body and the protection mechanism, wherein the protection mechanism comprises a pneumatic unit, a connecting rod, a valve core, a supporting plate, a plurality of clamping blocks, a first sliding block, a fixing unit, a limiting block and a rebound unit, one end of the connecting rod penetrates through the three-way valve body, the connecting rod is provided with a groove and two first sliding grooves, two ends of the first sliding block are respectively and slidably connected with the corresponding first sliding grooves, one end of the limiting block is rotationally connected with the first sliding block, the pneumatic unit drives the connecting rod and the valve core to move so as to control different inlets of the three-way valve body, the limiting block is matched with the corresponding clamping blocks, the limiting block is limited by contacting the fixing unit with the limiting of the first sliding block, and the limiting block can be separated from the clamping blocks, so that the connecting rod can be downwards moved under the condition of gas interruption, and the operation is convenient and rapid.

Description

Pneumatic three-way confluence regulating valve with improved protection mechanism
Technical Field
The application relates to the technical field of protection of regulating valves, in particular to a pneumatic three-way confluence regulating valve with an improved protection mechanism.
Background
In the protection mechanism of the pneumatic three-way regulating valve, when the air break occurs, the circuit vertical horse outputs a signal to control the valve core, so that the three-way valve is closed or the working position is kept motionless, but the valve core cannot be controlled in time once the signal is interrupted or the circuit is damaged.
In the prior art, a confluence protection mechanism is added between a valve seat and a control mechanism of an original three-way regulating valve, the protection mechanism starts protection when the regulating valve is in a gas-break state through the combined action of a gas-break protection seat and a fixed protection rod, the protection is started when the regulating valve is in a gas-break state through the combined action of the gas-break protection seat and the fixed protection rod, ninety degrees of rotation of the top end of the gas-break protection seat can be realized when the regulating valve is in a gas-break state, when the air pressure is normal, a fixed buckle rotates to a vertical position under the rotation action of a blade wheel, when the gas-break state occurs, the fixed buckle rapidly rotates to a horizontal direction under the action of a coil spring and is embedded in a gap between rectangular teeth, an adjusting lifting rod is fixed at a working position, a regulating valve core does not move downwards, and the confluence effect is kept.
However, in the prior art, the protection box body is fixed on the three-way valve by the bolt, and the parts of the protection mechanism are wrapped and protected, after the gas is cut off, if the parts are damaged or the rectangular teeth are blocked with the fixing buckles, the staff cannot know the internal conditions at the first time, can not timely close the three-way valve by manually operating the movable valve core, can only wait for gas recovery input or sequentially detach the bolt, and is very inconvenient to operate.
Disclosure of Invention
The application aims to provide a pneumatic three-way confluence regulating valve with an improved protection mechanism, which solves the problems that in the prior art, a bolt fixes a protection box body on a three-way valve, parts of the protection mechanism are wrapped and protected, after the air is cut off, if the parts are damaged or a rectangular tooth is blocked with a fixed buckle, a worker cannot know the internal condition at the first time, can not timely close the three-way valve by manually operating a movable valve core, can only wait for gas recovery input or sequentially detach the bolt, and is very inconvenient to operate.
In order to achieve the above purpose, the application provides a pneumatic three-way confluence regulating valve with an improved protection mechanism, which comprises a three-way valve body and the protection mechanism;
the protection mechanism comprises a pneumatic unit, a connecting rod, a valve core, a supporting plate, a plurality of clamping blocks, a first sliding block, a fixing unit, a limiting block and a rebound unit, wherein one end of the connecting rod penetrates through the three-way valve body and is fixedly connected with the valve core, the pneumatic unit is arranged above the three-way valve body, the supporting plate is arranged above the pneumatic unit, the clamping blocks are sequentially arranged on one side of the supporting plate, the connecting rod is provided with a groove and two first sliding grooves, two ends of the first sliding block are respectively connected with the corresponding first sliding grooves in a sliding mode, one end of the limiting block is connected with the first sliding block in a rotating mode, the other end of the limiting block is matched with any clamping block, and the fixing unit and the rebound unit are arranged on the first sliding block.
The pneumatic unit comprises a pneumatic shell and a connecting plate, wherein the pneumatic shell is fixedly connected with the three-way valve body and is positioned above the three-way valve body, one end of the connecting rod sequentially penetrates through the pneumatic shell and the three-way valve body, the connecting plate is fixedly connected with the connecting rod and is sleeved outside the connecting rod, and the pneumatic shell is provided with an air inlet.
The fixing unit comprises a threaded rod and a rotating block, the connecting rod is further provided with a groove, one end of the threaded rod sequentially penetrates through the groove and the rebound unit and is mutually propped against the inner bottom wall of the groove, the first sliding block is provided with a threaded hole, the threaded hole is mutually matched with the threaded rod, and the rotating block is fixedly connected with the threaded rod and is located at one end of the threaded rod away from the first sliding block.
The elastic unit comprises an L-shaped block, two second sliding blocks, a telescopic cylinder, a telescopic rod and a spring, wherein one end of the L-shaped block is fixedly connected with the first sliding block and is located above the first sliding block, one end of the threaded rod penetrates through the L-shaped block, the L-shaped block and the limiting block are respectively provided with a second sliding groove, the two second sliding blocks are respectively and correspondingly connected with the second sliding grooves in a sliding mode, one ends of the telescopic cylinder and the telescopic rod are respectively and correspondingly connected with the second sliding blocks in a rotating mode, the other ends of the telescopic rod are located inside the telescopic cylinder, and two ends of the spring are respectively connected with the inner bottom wall of the telescopic cylinder and the other ends of the telescopic rod in a movable mode.
The pneumatic three-way converging adjusting valve with the improved protection mechanism further comprises a reinforcing component, and the reinforcing component is arranged in the three-way valve body.
The reinforcing assembly comprises a baffle, a ring body and two supporting rods, wherein the baffle is fixedly connected with the three-way valve body and is positioned on the inner wall of the three-way valve body, the outer part of the connecting rod is sleeved with the ring body, the inner wall of the ring body is in clearance fit with the outer surface wall of the connecting rod, the two ends of the two supporting rods are respectively fixedly connected with the upper part of the baffle and the inner top wall of the three-way valve body, and the two supporting rods are symmetrically arranged on the two sides of the connecting rod.
The reinforcing component further comprises a waterproof ring, wherein the waterproof ring is fixedly connected with the baffle plate, sleeved outside the connecting rod and located between the baffle plate and the connecting rod.
According to the pneumatic three-way confluence regulating valve with the improved protection mechanism, when the air is cut off, a worker uses the fixing unit to remove the limitation on the first sliding block, so that the first sliding block can slide in the first sliding groove, then the connecting rod is lifted upwards to drive the valve core, the limiting block rotates and breaks away from the clamping block to push the fixing unit, the limiting block enters the groove, the connecting rod and the valve core can move up and down without limitation, after the air is cut off, the inlet and outlet of the three-way valve body cannot be automatically changed, manual intervention operation can be performed, the operation is fast and efficient, the operation is very inconvenient, and the valve core can be conveniently and emergently regulated under the unexpected condition.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic overall structure of a first embodiment of the present application.
Fig. 2 is an overall cross-sectional view of a first embodiment of the present application.
Fig. 3 is an enlarged view of the partial structure at a of fig. 1 according to the present application.
Fig. 4 is an enlarged view of the partial structure at B of fig. 2 according to the present application.
Fig. 5 is an overall cross-sectional view of a second embodiment of the present application.
Fig. 6 is a schematic overall structure of a third embodiment of the present application.
Fig. 7 is an overall cross-sectional view of a third embodiment of the present application.
Fig. 8 is a cross-sectional view taken along line C-C of fig. 7 in accordance with the present application.
Fig. 9 is an enlarged view of the partial structure of fig. 6D according to the present application.
Fig. 10 is an enlarged view of a partial structure at E of fig. 8 according to the present application.
The three-way valve comprises a 101-three-way valve body, a 102-connecting rod, a 103-valve core, a 104-supporting plate, a 105-clamping block, a 106-first sliding block, a 107-limiting block, a 108-groove, a 109-first sliding groove, a 110-pneumatic shell, a 111-connecting plate, a 112-air inlet, a 113-threaded rod, a 114-rotating block, a 115-grooving, a 116-threaded hole, a 117-L-shaped block, a 118-second sliding block, a 119-telescopic cylinder, a 120-telescopic rod, a 121-spring, a 122-second sliding groove, a 201-baffle, a 202-ring body, a 203-supporting rod, a 204-waterproof ring, a 301-first shell, a 302-second shell, a 303-rotating handle, a 304-clamping rod, a 305-opening, a 306-mounting block and a 307-maintenance groove.
Detailed Description
The following detailed description of embodiments of the application, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the application.
First embodiment:
referring to fig. 1 to 4, fig. 1 is a schematic overall structure of a first embodiment of the present application, fig. 2 is a sectional overall view of the first embodiment of the present application, fig. 3 is an enlarged partial structure at a of fig. 1 of the present application, and fig. 4 is an enlarged partial structure at B of fig. 2 of the present application. The application provides a pneumatic three-way confluence regulating valve with an improved protection mechanism, which comprises a three-way valve body 101 and the protection mechanism, wherein the protection mechanism comprises a pneumatic unit, a connecting rod 102, a valve core 103, a supporting plate 104, a plurality of clamping blocks 105, a first sliding block 106, a fixing unit, a limiting block 107 and a rebound unit, the connecting rod 102 is provided with a groove 108 and two first sliding grooves 109, the pneumatic unit comprises a pneumatic shell 110 and a connecting plate 111, the pneumatic shell 110 is provided with an air inlet 112, the fixing unit comprises a threaded rod 113 and a rotating block 114, the connecting rod 102 is further provided with a slot 115, the rebound unit comprises an L-shaped block 117, two second sliding blocks 118, a telescopic cylinder 119, a telescopic rod 120 and a spring 121, and the L-shaped block 117 and the limiting block 107 are respectively provided with a second sliding groove 122.
For this embodiment, the three-way valve body 101 carries the protection mechanism, and after the pneumatic unit is ventilated, the connecting rod 102 and the valve core 103 can be driven to move, so as to adjust the three-way valve body 101.
The three-way valve body 101 is penetrated through one end of the connecting rod 102 and is fixedly connected with the valve core 103, the pneumatic unit is arranged above the three-way valve body 101, the supporting plate 104 is arranged above the pneumatic unit, the clamping blocks 105 are sequentially arranged on one side of the supporting plate 104, the connecting rod 102 is provided with a groove 108 and two first sliding grooves 109, two ends of the first sliding block 106 are respectively and slidably connected with the corresponding first sliding grooves 109, one end of the limiting block 107 is rotatably connected with the first sliding block 106, the other end of the limiting block 107 is mutually matched with any clamping block 105, and the fixing unit and the rebound unit are arranged on the first sliding block 106. After the pneumatic unit is ventilated, the connecting rod 102 and the valve core 103 can be driven to move, the connecting rod 102 has a supporting function on the valve core 103, the valve core 103 is matched with each inlet inside the three-way valve body 101, the supporting plate 104 supports a plurality of clamping blocks 105, the clamping blocks 105 are mutually matched with the limiting blocks 107, the connecting rod 102 is limited, so that the connecting rod 102 cannot move downwards when the air is cut off, the fixing unit limits the first sliding block 106, the limiting blocks 107 cannot enter the inside of the grooves 108, and the limiting blocks 107 rebound by the rebound unit.
Secondly, the pneumatic housing 110 is fixedly connected with the three-way valve body 101 and is located above the three-way valve body 101, one end of the connecting rod 102 sequentially penetrates through the pneumatic housing 110 and the three-way valve body 101, the connecting plate 111 is fixedly connected with the connecting rod 102 and is sleeved outside the connecting rod 102, and the pneumatic housing 110 is provided with an air inlet 112. The pneumatic housing 110 supports the connection plate 111 and the support plate 104 above, and after gas is input through the gas inlet 112, the connection plate 111 is moved upwards due to pressure difference, so as to drive the connection rod 102 and the valve core 103 to move.
Meanwhile, the connecting rod 102 further has a slot 115, one end of the threaded rod 113 sequentially penetrates through the slot 115 and the rebound unit and abuts against the inner bottom wall of the groove 108, the first slider 106 has a threaded hole 116, the threaded hole 116 is mutually matched with the threaded rod 113, and the rotating block 114 is fixedly connected with the threaded rod 113 and is located at one end of the threaded rod 113 far away from the first slider 106. The threaded rod 113 is matched with the threaded rod 113, the rotating block 114 is rotated to drive the threaded rod 113 to rotate, and then the threaded rod 113 is not mutually abutted with the inner bottom wall of the groove 108, and at the moment, the first sliding block 106 can slide.
In addition, one end of the L-shaped block 117 is fixedly connected with the first slider 106 and is located above the first slider 106, one end of the threaded rod 113 penetrates through the L-shaped block 117, both the L-shaped block 117 and the limiting block 107 are provided with second sliding grooves 122, two second sliding blocks 118 are respectively and slidably connected with the corresponding second sliding grooves 122, one ends of the telescopic cylinder 119 and the telescopic rod 120 are respectively and rotatably connected with the corresponding second sliding blocks 118, the other end of the telescopic rod 120 is located inside the telescopic cylinder 119, and two ends of the spring 121 are respectively and movably connected with the inner bottom wall of the telescopic cylinder 119 and the other end of the telescopic rod 120. The L-shaped block 117 has a certain supporting effect on the telescopic cylinder 119 and the corresponding second sliding blocks 118, when the limiting block 107 rotates, the two second sliding blocks 118 slide in the corresponding second sliding grooves 122, meanwhile, the telescopic rod 120 and the telescopic cylinder 119 rotate on the corresponding second sliding blocks 118, so that the angle can be adjusted, the telescopic rod 120 can enter the telescopic cylinder 119 at any time, meanwhile, the spring 121 contracts, and after the limiting block 107 moves upwards to the other clamping block 105, the spring 121 drives the telescopic rod to rebound.
When the pneumatic three-way confluence regulating valve with the improved protection mechanism is used, after the three-way valve body 101 is installed, air is input to the air inlet 112, after the pressure of the air is increased, the connecting plate 111 is moved upwards to drive the connecting rod 102 and the valve core 103 to move upwards, meanwhile, the limiting block 107 contacts with the corresponding clamping block 105 to rotate, meanwhile, the two second sliding blocks 118 slide in the corresponding second sliding grooves 122, the telescopic rod 120 and the telescopic cylinder 119 rotate, according to the rotation angle of the limiting block 107, the telescopic rod 120 enters the telescopic cylinder 119 to continuously regulate the length, the connecting rod 102 is driven to continuously move upwards, after the connecting rod 102 stops, the telescopic rod 120 is driven to rebound under the action of the spring 121, and then the corresponding second sliding blocks 118 slide in the second sliding grooves 122, simultaneously pushing the limiting block 107 to rebound and re-adapt to the corresponding clamping block 105, if the air is cut off at the moment, a worker needs to rotate the rotating block 114 to drive the threaded rod 113 to rotate, the threaded rod 113 is matched with the threaded hole 116, the threaded rod 113 moves upwards and is not mutually propped against the inner bottom wall of the groove 108, the first sliding block 106 can slide, the connecting rod 102 with a certain distance is lifted upwards at the moment, the limiting block 107 rotates and is separated from the clamping block 105, the rotating block 114 is further pushed, the threaded rod 113 moves in the groove 115, the limiting block 107 enters the groove 108, finally, the connecting rod 102 can move up and down at will, after the air is cut off, the inlet and outlet of the three-way valve body 101 cannot be automatically changed, manual intervention operation can be performed, and is fast and efficient, very inconvenient to operate, and convenient to adjust the valve core 103 in emergency in unexpected situations.
Second embodiment:
on the basis of the first embodiment, please refer to fig. 5, wherein fig. 5 is an overall cross-sectional view of a second embodiment of the present application. The application provides a pneumatic three-way confluence regulating valve with an improved protection mechanism, which further comprises a reinforcing component, wherein the reinforcing component comprises a baffle 201, a ring body 202, two supporting rods 203 and a waterproof ring 204.
For this embodiment, the baffle 201 prevents the water from splashing upward, and the ring 202 and the two support rods 203 reinforce the connecting rod 102.
Wherein, the reinforcement component is arranged in the three-way valve body 101. The reinforcement assembly reinforces the connecting rod 102.
Secondly, baffle 201 with three-way valve body 101 fixed connection, and be located three-way valve body 101's inner wall, and the cover is established the outside of connecting rod 102, ring body 202 cover is established the outside of connecting rod 102, the inner wall of ring body 202 with the exterior wall clearance fit of connecting rod 102, two both ends of bracing piece 203 respectively with baffle 201's top and three-way valve body 101's interior roof fixed connection, two bracing piece 203 symmetry set up in the both sides of connecting rod 102. The baffle 201 prevents the water flow below from splashing upwards, and the two support rods 203 support the ring body 202, so that the ring body 202 reinforces the connecting rod 102, and the connecting rod is more stable under the impact of the water flow.
Meanwhile, the waterproof ring 204 is fixedly connected with the baffle 201, is sleeved outside the connecting rod 102, and is located between the baffle 201 and the connecting rod 102. The waterproof ring 204 seals the gap between the baffle 201 and the connecting rod 102, and further prevents water from penetrating.
When the pneumatic three-way confluence regulating valve with the improved protection mechanism is used, when the valve core 103 regulates the inlet inside the three-way valve body 101, strong impact of water flow can be received, so the support rod 203 supports the ring body 202, the ring body 202 reinforces the connecting rod 102, the connecting rod 102 is prevented from being broken and damaged due to overlong length, the baffle 201 is matched with the waterproof ring 204, and water is prevented from penetrating upwards, so that the working stability of the valve core 103 is improved.
Third embodiment:
the pneumatic three-way confluence regulating valve with the improved protection mechanism further comprises a protection component, and the protection component is arranged on the protection mechanism. The protection assembly comprises a first shell 301, a second shell 302, a rotating handle 303 and a clamping rod 304, wherein the first shell 301 and the second shell 302 are both in rotary connection with the pneumatic shell 110 and are symmetrically arranged on two sides of the connecting rod 102, the rotating handle 303 is in rotary connection with the first shell and is located above the first shell, the second shell is provided with an opening 305, and the clamping rod 304 penetrates through the rotating handle 303 and is mutually matched with the opening 305. The protection assembly further comprises a mounting block 306, the connecting rod 102 further comprises a maintenance groove 307, the maintenance groove 307 is communicated with the groove 108, and the mounting block 306 is connected with the connecting rod 102 in a bolt manner and is mutually matched with the maintenance groove 307.
On the basis of the second embodiment, please refer to fig. 6 to 10, wherein fig. 6 is an overall schematic structural diagram of the third embodiment of the present application, fig. 7 is an overall sectional view of the third embodiment of the present application, fig. 8 is a sectional view of fig. 7 taken along line C-C of the present application, fig. 9 is an enlarged view of the partial structure at D of fig. 6 of the present application, and fig. 10 is an enlarged view of the partial structure at E of fig. 8 of the present application. The application provides a pneumatic three-way confluence regulating valve with an improved protection mechanism, which further comprises a protection assembly, wherein the protection assembly comprises a first shell 301, a second shell 302, a rotating handle 303, a clamping rod 304 and a mounting block 306, the second shell is provided with an opening 305, and the connecting rod 102 is further provided with a maintenance groove 307.
For this embodiment, the first housing 301 and the second housing 302 protect the plurality of the clamping blocks 105, the supporting plate 104 and the connecting rod 102, thereby improving the aesthetic appearance and prolonging the service life.
Wherein, the protection component set up in on the protection machanism. The protection component protects the support plate 104, the connecting rod 102 and the plurality of clamping blocks 105, thereby prolonging the service life and increasing the attractiveness.
Secondly, the first housing 301 and the second housing 302 are both rotationally connected with the pneumatic housing 110 and symmetrically disposed on two sides of the connecting rod 102, the rotating handle 303 is rotationally connected with the first housing and located above the first housing, the second housing has an opening 305, and the clamping rod 304 penetrates through the rotating handle 303 and is mutually matched with the opening 305. The first housing 301 and the second housing 302 wrap and protect the plurality of clamping blocks 105, the supporting plate 104 and the connecting rod 102, and the clamping rod 304 penetrates through the rotating handle 303 and is inserted into the opening 305 to limit the rotating handle 303, so that the first housing 301 and the second housing 302 are connected together.
Meanwhile, the connecting rod 102 is further provided with a maintenance groove 307, the maintenance groove 307 is communicated with the groove 108, and the mounting block 306 is connected with the connecting rod 102 in a bolt manner and is mutually matched with the maintenance groove 307. The mounting block 306 closes the maintenance groove 307, and when the fixing unit inside the maintenance is required to be maintained, the bolt is unscrewed, and the mounting block 306 is removed.
When the pneumatic three-way confluence regulating valve with the improved protection mechanism is used, if the fixing unit and the parts of the rebound unit are required to be maintained and overhauled, the clamping rod 304 is pulled out, the first shell 301 and the second shell 302 are not connected any more and respectively rotate towards the two sides of the connecting rod 102, at the moment, a plurality of clamping blocks 105, limiting blocks 107 and the rebound unit can be overhauled, bolts can be unscrewed, the mounting blocks 306 can be taken down, and the fixing unit and the first sliding block 106 are overhauled through the maintenance groove 307, so that most parts inside the pneumatic three-way confluence regulating valve is convenient to overhaul and maintain, and maintenance personnel can operate the pneumatic three-way confluence regulating valve conveniently.
The foregoing disclosure is only illustrative of one or more preferred embodiments of the present application, and it is not intended to limit the scope of the claims hereof, as persons of ordinary skill in the art will understand that all or part of the processes for practicing the embodiments described herein may be practiced with equivalent variations in the claims, which are within the scope of the application.

Claims (5)

1. A pneumatic three-way confluence regulating valve with an improved protection mechanism comprises a three-way valve body, and is characterized in that,
the device also comprises a protection mechanism;
the protection mechanism comprises a pneumatic unit, a connecting rod, a valve core, a supporting plate, a plurality of clamping blocks, a first sliding block, a fixing unit, a limiting block and a rebound unit, wherein one end of the connecting rod penetrates through the three-way valve body and is fixedly connected with the valve core, the pneumatic unit is arranged above the three-way valve body, the supporting plate is arranged above the pneumatic unit, the plurality of clamping blocks are sequentially arranged on one side of the supporting plate, the connecting rod is provided with a groove and two first sliding grooves, two ends of the first sliding block are respectively and slidably connected with the corresponding first sliding grooves, one end of the limiting block is rotationally connected with the first sliding block, the other end of the limiting block is mutually matched with any clamping block, and the fixing unit and the rebound unit are arranged on the first sliding block;
the fixing unit comprises a threaded rod and a rotating block, the connecting rod is further provided with a slot, one end of the threaded rod sequentially penetrates through the slot and the rebound unit and is mutually propped against the inner bottom wall of the groove, the first sliding block is provided with a threaded hole, the threaded hole is mutually matched with the threaded rod, and the rotating block is fixedly connected with the threaded rod and is positioned at one end of the threaded rod far away from the first sliding block;
the elastic unit comprises an L-shaped block, two second sliding blocks, a telescopic cylinder, a telescopic rod and a spring, wherein one end of the L-shaped block is fixedly connected with the first sliding block and is positioned above the first sliding block, one end of the threaded rod penetrates through the L-shaped block, the L-shaped block and the limiting block are respectively provided with a second sliding groove, the two second sliding blocks are respectively and slidably connected with the corresponding second sliding grooves, one ends of the telescopic cylinder and the telescopic rod are respectively and rotatably connected with the corresponding second sliding blocks, the other end of the telescopic rod is positioned in the telescopic cylinder, and two ends of the spring are respectively and movably connected with the inner bottom wall of the telescopic cylinder and the other end of the telescopic rod;
after the pressure is increased, the connecting plate is enabled to move upwards, the connecting rod and the valve core are driven to move upwards, meanwhile, the limiting block is in contact with the corresponding clamping block, rotation occurs, meanwhile, the two second sliding blocks slide in the corresponding second sliding grooves, the telescopic rod and the telescopic cylinder rotate, according to the rotation angle of the limiting block, the telescopic rod enters the telescopic cylinder to continuously adjust the length, the connecting rod is driven to move upwards continuously, after the connecting rod stops, the telescopic rod is driven to rebound under the action of the spring, the corresponding second sliding blocks slide in the second sliding grooves, the limiting block is pushed to rebound at the same time, the corresponding clamping block is re-adapted, if air is cut off at the moment, a worker needs to rotate the rotating block, the threaded rod is driven to rotate and is matched with the threaded hole, the threaded rod does not support the inner bottom of the groove mutually, the first sliding block can slide, the connecting rod is lifted upwards at a certain distance at the moment, the limiting block is enabled to rotate and to be separated from the clamping block, the rotating block is pushed to slide in the second sliding block, and finally the threaded rod enters the groove to move freely.
2. A pneumatic three-way confluence regulating valve provided with an improved protection mechanism as claimed in claim 1, wherein,
the pneumatic unit comprises a pneumatic shell and a connecting plate, wherein the pneumatic shell is fixedly connected with the three-way valve body and is positioned above the three-way valve body, one end of the connecting rod sequentially penetrates through the pneumatic shell and the three-way valve body, the connecting plate is fixedly connected with the connecting rod and is sleeved outside the connecting rod, and the pneumatic shell is provided with an air inlet.
3. A pneumatic three-way confluence regulating valve provided with an improved protection mechanism as claimed in claim 2, wherein,
the pneumatic three-way confluence regulating valve with the improved protection mechanism further comprises a reinforcing component, and the reinforcing component is arranged in the three-way valve body.
4. A pneumatic three-way confluence regulating valve provided with an improved protection mechanism as claimed in claim 3, wherein,
the reinforcing component comprises a baffle, a ring body and two supporting rods, wherein the baffle is fixedly connected with the three-way valve body and is positioned on the inner wall of the three-way valve body, the outer part of the connecting rod is sleeved with the ring body, the inner wall of the ring body is in clearance fit with the outer surface wall of the connecting rod, the two ends of the supporting rods are respectively fixedly connected with the upper part of the baffle and the inner top wall of the three-way valve body, and the two supporting rods are symmetrically arranged on the two sides of the connecting rod.
5. A pneumatic three-way confluence regulating valve provided with an improved protection mechanism as claimed in claim 4, wherein,
the reinforcing component further comprises a waterproof ring, wherein the waterproof ring is fixedly connected with the baffle plate, sleeved outside the connecting rod and located between the baffle plate and the connecting rod.
CN202211202186.XA 2022-09-29 2022-09-29 Pneumatic three-way confluence regulating valve with improved protection mechanism Active CN115388200B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB556151A (en) * 1942-03-17 1943-09-22 Richard Anthony Adamson Improvements in valves
CN109826976A (en) * 2019-03-16 2019-05-31 杭州道盈信息科技有限公司 A kind of Pneumatic three-way interflow regulating valve equipped with improved protection mechanism
CN110778736A (en) * 2019-09-24 2020-02-11 宁波海曙广运机电工程有限公司 Safety throttling ball valve
CN210484635U (en) * 2019-10-10 2020-05-08 杭州光旭绿色能源科技有限公司 Water conservancy control valve
CN216867686U (en) * 2021-12-21 2022-07-01 上海森碟阀门制造有限公司 Pneumatic film double-seat adjusting valve
CN115040913A (en) * 2022-07-29 2022-09-13 帕克(无锡)阀门有限公司 Temperature control flow dividing and regulating valve and use method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB556151A (en) * 1942-03-17 1943-09-22 Richard Anthony Adamson Improvements in valves
CN109826976A (en) * 2019-03-16 2019-05-31 杭州道盈信息科技有限公司 A kind of Pneumatic three-way interflow regulating valve equipped with improved protection mechanism
CN110778736A (en) * 2019-09-24 2020-02-11 宁波海曙广运机电工程有限公司 Safety throttling ball valve
CN210484635U (en) * 2019-10-10 2020-05-08 杭州光旭绿色能源科技有限公司 Water conservancy control valve
CN216867686U (en) * 2021-12-21 2022-07-01 上海森碟阀门制造有限公司 Pneumatic film double-seat adjusting valve
CN115040913A (en) * 2022-07-29 2022-09-13 帕克(无锡)阀门有限公司 Temperature control flow dividing and regulating valve and use method thereof

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