CN115467990B

CN115467990B - Valve with flow regulating mechanism

Info

Publication number: CN115467990B
Application number: CN202211320679.3A
Authority: CN
Inventors: 项光忠; 项炳博; 杨建财; 张炳坚; 林荣华; 傅家宏
Original assignee: Zhitai Technology Group Co ltd
Current assignee: Zhitai Technology Group Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2024-08-09
Anticipated expiration: 2042-10-26
Also published as: CN115467990A

Abstract

The invention discloses a valve with a flow regulating mechanism, which comprises a valve body, a valve cover, a valve rod, an opening and closing part and a butt joint pipe with a flow passage, wherein an elastic inner pipe is arranged in the flow passage, an installation seat with an inner cavity is arranged on the outer wall of the butt joint pipe, an adjusting ejector rod facing the inner pipe is arranged in the inner cavity in a sliding manner, a control port is arranged on the outer wall of the installation seat, a transmission part is arranged in the inner cavity, a locking component is arranged at a position, close to the control port, of the inner cavity wall, the transmission part reciprocates between the locking component and the adjusting ejector rod, an elastic abutting component for driving the adjusting ejector rod and the transmission part to be linked and driving the transmission part to move towards the locking component is arranged in the inner cavity, a control component for controlling the motion of the transmission part and a triggering component for triggering the transmission part to leave the locking component are arranged on the outer side of the installation seat, and the control component moves along with the triggering component. The invention has the following advantages and effects: the invention has simple structure, high safety coefficient and better durability.

Description

Valve with flow regulating mechanism

Technical Field

The present invention relates to a valve, and more particularly, to a valve with a flow regulating mechanism.

Background

The valve is a pipeline accessory for opening and closing a pipeline, controlling the flow direction, adjusting and controlling the parameters of a conveying medium. Depending on their function, they can be classified into shutoff valves, check valves, regulating valves, etc. The valve is a control component in the fluid conveying system and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, diverting or overflow pressure relief and the like. Valves for fluid control systems range from the simplest shut-off valves to the various valves used in extremely complex automatic control systems, which are quite diverse in variety and specification. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

The existing valves of various types do not have the flow regulating function, and the original basic functions of the valves are required to be reserved in some special working condition environments, and meanwhile, the valves have the flow regulating function, so that a flow regulating mechanism is required to be installed on the valves. The existing flow regulating mechanism is very easy to fail in the using process due to the complex structure, and the durability of the product is greatly influenced. In addition, the existing flow regulating mechanism is not provided with a corresponding safety mechanism, so that staff is extremely easy to cause false triggering in the using process, and a certain potential safety hazard exists. According to the above problems, the present invention is developed.

Disclosure of Invention

The invention aims to provide a valve with a flow regulating mechanism, which has simple structure, high safety coefficient and better durability.

The technical aim of the invention is realized by the following technical scheme: the utility model provides a valve with flow control mechanism, includes the valve body, set up in the valve gap of valve body, install in the valve gap and extend into the valve body the valve rod, set up in the headstock gear of valve rod and connect the valve body and have the butt joint pipe of runner, be equipped with elastic inner tube and the both ends of inner tube extend to the both ends of butt joint pipe respectively in the runner, the outer wall of butt joint pipe is fixed to be provided with the mount pad that has the inner chamber and the inner chamber communicates with each other with the runner, the intracavity slides and is provided with the regulation ejector pin towards inner tube reciprocating motion, the mount pad outer wall is equipped with the control mouth of intercommunication inner chamber, be equipped with the driving medium in the inner chamber, the position that the inner chamber wall is close to the control mouth is equipped with the locking subassembly of restriction driving medium action, reciprocating motion between locking subassembly and regulation ejector pin, be equipped with the drive regulation ejector pin and driving medium and the linkage of locking subassembly and drive driving medium and make the elastic butt joint subassembly that the driving medium constitutes locking cooperation in the control mouth in the inner chamber, be located the mount pad outside is equipped with the control subassembly of control driving medium action and trigger member that the driving medium leaves the locking subassembly and trigger member, trigger member that the trigger member moved along with the trigger member, trigger member.

By adopting the technical scheme, the propping assembly drives the adjusting ejector rod to prop against the transmission piece and drive the transmission piece to move towards the locking assembly to form locking fit with the locking assembly, and the adjusting ejector rod propping against the transmission piece also forms linkage between the adjusting ejector rod and the transmission piece. When the flow rate of the fluid medium flowing through the inner pipe is to be regulated, the driving part is driven by the triggering component to separate from the locking component and extrude the abutting component, the driving part in the state always abuts against the regulating ejector rod and is in a linkage state, then the driving part is controlled by the control component to act, the moving driving part and the regulating ejector rod form linkage to drive the regulating ejector rod to approach or separate from the inner pipe, and the flow rate of the fluid medium is changed by extruding the elastic inner pipe by the regulating ejector rod, so that the purpose of regulating the flow rate is achieved. When the locking assembly is adjusted to a proper position, the force acting on the trigger member is released, so that the transmission piece moves towards the locking assembly under the action of the abutting assembly and forms locking fit with the locking assembly. The novel high-safety valve is simple in structure, high in safety coefficient and better in durability.

Further provided is that: comprises a left guide rod and a right guide rod which are respectively and fixedly arranged on two opposite side walls of the transmission part, wherein the left guide rod and the right guide rod are in sliding fit with the inner cavity wall for guiding the transmission part to reciprocate, the trigger member includes a left trigger assembly that triggers the left guide rod and a right trigger assembly that triggers the right guide rod.

Through adopting above-mentioned technical scheme, the setting of left guide pole and right guide pole is used for guiding the driving medium and stably moves between locking subassembly and regulation ejector pin two, triggers left guide pole and right guide pole of subassembly cooperation through left portion and right portion, realizes dual insurance, further avoids the probability of mistake triggering to this further avoids potential safety hazard, the factor of safety that exists higher. Only when the left triggering component and the right triggering component synchronously trigger the left guiding rod and the right guiding rod can the transmission piece move between the locking component and the adjusting ejector rod.

Further provided is that: the transmission piece is in sliding and running fit with the inner cavity wall through the left guide rod and the right guide rod, the control assembly comprises a control seat which is arranged outside the installation seat in a sliding manner, a separation seat which is covered on the control seat, a transmission rack which is arranged on the control seat in a sliding manner, a first tooth-shaped grain which is formed on the peripheral wall of the transmission piece and meshed with the transmission rack, a reversing rack which is fixedly arranged on the transmission rack, a control handle which is arranged on the control seat in a rotating manner, and a driving gear which is arranged on the control handle and meshed with the reversing rack, wherein the control handle penetrates through the separation seat, the transmission rack is always meshed with the first tooth-shaped grain, and the left triggering assembly and the right triggering assembly respectively drive the transmission rack to move towards the first tooth-shaped grain through the control seat.

Through adopting above-mentioned technical scheme, the control handle drives the driving gear and rotates, drives the drive rack through the cooperation of driving gear and switching-over rack two and realizes sliding, and the drive rack that slides drives the driving piece and realizes rotating with the meshing of first profile of tooth line, constitutes the slip of adjusting the ejector pin through pivoted driving piece, drives and adjusts the ejector pin and realizes reciprocating. The left triggering component and the right triggering component drive the components on the control seat to synchronously move along with the transmission component in the process of triggering the transmission component to leave the locking component, so that stable engagement of the transmission rack and the first tooth-shaped grain is ensured, and stable matching of the transmission structure is ensured; and the transmission part is prevented from being triggered to move through the control seat by the arrangement of the isolation seat, so that potential safety hazards are avoided.

Further provided is that: the left triggering component comprises a left triggering plate arranged outside the installation seat and a left triggering rod which is fixedly arranged on the left triggering plate and penetrates through the installation seat to extend to one side of the left guide rod back to the tight supporting component, the left triggering rod is in sliding fit with the installation seat, the right triggering component comprises a right triggering plate arranged outside the installation seat and a right triggering rod which is fixedly arranged on the right triggering plate and penetrates through the installation seat to extend to one side of the right guide rod back to the tight supporting component, the right triggering rod is in sliding fit with the installation seat, and the control seat is provided with linkage edges which extend to the lower parts of the left triggering plate and the right triggering plate respectively.

Through adopting above-mentioned technical scheme, trample left part trigger plate and right part trigger plate in step and drive left part trigger lever and right part trigger lever promotion left guide lever and right guide lever drive the driving medium motion, support tight subassembly at the cooperation setting and realize that the driving medium is close to or keeps away from locking subassembly, reach the trigger purpose. The left trigger plate and the right trigger plate which move downwards are matched and linked to drive the parts on the control seat to move along with the transmission part, so that the stable control of the control assembly on the transmission part is ensured.

Further provided is that: including setting up in adjusting the ejector pin and with the second profile of tooth line meshing of first profile of tooth line, the second profile of tooth line arranges along the direction of motion of adjusting the ejector pin and sets up, support tight subassembly drive first profile of tooth line and second profile of tooth line meshing all the time.

Through adopting above-mentioned technical scheme, rotate the driving medium, drive the adjustment ejector pin and realize reciprocating sliding in the inner chamber through the cooperation of first profile of tooth line and second profile of tooth line both.

Further provided is that: the propping assembly comprises a plurality of propping springs arranged between the inner cavity wall and the adjusting ejector rod and propping plates arranged between the propping springs and the adjusting ejector rod, and the propping springs are arranged at intervals along the sliding direction of the adjusting ejector rod.

By adopting the technical scheme, the abutting spring is matched with the abutting plate to drive the adjusting ejector rod to drive the transmission piece to move towards the locking assembly to provide acting force.

Further provided is that: the adjusting ejector rod is an extrusion end towards one end of the inner tube, two sides of the extrusion end are hinged with baffle plates, and the two baffle plates extend along the axial direction of the butt joint tube in opposite directions and are positioned between the inner tube and the runner.

Through adopting above-mentioned technical scheme, extrusion end extrusion inner tube takes place deformation and realizes the regulation of flow, extrusion end extrusion inner tube can form a surplus space in the position between extrusion end and runner wall two, and the formation in surplus space makes elastic inner tube lose the support in the position that corresponds to surplus space, and when the intensity of pressure of inner tube is great, the local position that should lose the support will take place great elastic deformation under the effect of pressure, very easily causes the fracture in this position of inner tube. Therefore, the baffle plate hinged on the extrusion end and the extrusion end form linkage to compensate the formed allowance space, the position of the inner tube corresponding to the allowance space is supported, the breakage of the position caused by excessive deformation is avoided, and the service life of the inner tube is prolonged.

Further provided is that: the two ends of the butt joint pipe are fixedly provided with butt joint flanges, and the two ends of the inner pipe extend to the end faces of the butt joint flanges respectively.

Through adopting above-mentioned technical scheme, extrude the inner tube that extends to on the butt flange terminal surface through butt flange connection valve body and the pipe fitting of butt joint, realize the sealed fixed to inner tube both ends, give the sealing between butt flange and the pipeline, between butt flange and the valve body through the inner tube of elastic material simultaneously, make it have multiple function.

Further provided is that: the locking assembly includes a plurality of locking teeth fixedly disposed on the lumen wall.

By adopting the technical scheme, the locking teeth are matched with the first tooth-shaped lines to limit the rotation of the transmission part, so that the aim of locking is fulfilled.

In summary, the invention has the following beneficial effects: the invention has simple structure, high safety coefficient and better durability.

Drawings

FIG. 1 is a schematic diagram of an embodiment;

FIG. 2 is a partial perspective view of an embodiment;

FIG. 3 is a partial exploded view of an embodiment;

FIG. 4 is a schematic view of a partial structure of an embodiment;

FIG. 5 is a partial cross-sectional view of an embodiment;

FIG. 6 is a partial cross-sectional view of an embodiment;

FIG. 7 is another partial cross-sectional view of an embodiment;

fig. 8 is a schematic view showing the structure of an embodiment of the extruded inner tube.

In the figure: 1. a valve body; 2. a valve cover; 3. a valve stem; 4. an opening and closing member; 5. a flow passage; 6. a butt joint pipe; 7. an inner tube; 8. an inner cavity; 9. a mounting base; 10. adjusting the ejector rod; 11. a control port; 12. a transmission member; 13. a tightening assembly; 131. a spring is abutted tightly; 132. a pressing plate; 14. a control assembly; 141. a control base; 142. a drive rack; 143. a first tooth-shaped texture; 144. a reversing rack; 145. a control handle; 146. a drive gear; 147. a separation seat; 15. a trigger member; 151. a left trigger assembly; 1511. a left trigger plate; 1512. a left trigger lever; 152. a right trigger assembly; 1521. a right trigger plate; 1522. a right trigger lever; 16. a left guide rod; 17. a right guide rod; 18. a linkage edge; 19. a second tooth-shaped line; 20. an extrusion end; 21. a baffle; 22. a butt flange; 23. locking teeth.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 8, a valve with a flow rate adjusting mechanism includes a valve body 1, a valve cap 2 fixedly provided to the valve body 1, a valve stem 3 installed to the valve cap 2 and extending into the valve body 1, an opening and closing member 4 installed to the valve stem 3, and a butt joint pipe 6 connected to the valve body 1and having a flow passage 5. The valve cover 2 is fixedly provided with a cylinder of a control valve rod 3, a piston rod of the cylinder is fixedly connected with the valve rod 3, and the full opening or the full closing of the opening and closing piece 4 is realized through the cylinder control valve rod 3. The butt joint pipe 6 is fixedly provided with a butt joint flange 22 at both ends, the butt joint pipe 6 is fixedly connected with the valve body 1 through the butt joint flange 22, an elastic inner pipe 7 is arranged in the runner 5, both ends of the inner pipe 7 extend to the end faces of the two butt joint flanges 22 respectively, the inner pipe 7 is made of rubber, and the length of the inner pipe 7 is larger than that of the butt joint pipe 6. The outer wall of the butt joint pipe 6 is fixedly provided with a mounting seat 9 with an inner cavity 8. The inner cavity 8 is communicated with the flow channel 5, an adjusting ejector rod 10 which moves towards the inner tube 7 in a reciprocating mode is arranged in the inner cavity 8 in a sliding mode, a control opening 11 communicated with the inner cavity 8 is formed in the outer wall of the mounting seat 9, and the control opening 11 is located above the adjusting ejector rod 10.

The inner cavity 8 is rotatably provided with a transmission member 12 positioned between the control port 11 and the adjusting ejector rod 10, a locking component for limiting the rotation of the transmission member 12 is arranged on the wall of the inner cavity 8 close to the control port 11, and the transmission member 12 reciprocates between the locking component and the adjusting ejector rod 10. The inner cavity 8 is internally provided with an elastic abutting component 13 which drives the adjusting ejector rod 10 to drive the transmission piece 12 to move towards the locking component, so that the transmission piece 12 and the locking component form locking fit, and simultaneously the transmission piece 12 protrudes out of the control port 11, and the adjusting ejector rod 10 abuts against the transmission piece 12 to enable the transmission piece 12 and the transmission piece 12 to be matched to form linkage. The control component 14 for controlling the rotation of the transmission piece 12 and the trigger component 15 for triggering the transmission piece 12 to leave the locking component are arranged outside the control port 11, the control component 14 moves along with the trigger component 15, and the trigger component 15 controls the transmission piece 12 to leave the locking component and drives the transmission piece 12 to rotate through the control component 14.

The two opposite side walls of the transmission piece 12 are fixedly provided with a left guide rod 16 and a right guide rod 17, and the left guide rod 16 and the right guide rod 17 slide with the inner cavity 8 wall and are in rotary fit to guide the transmission piece 12 to slide back and forth and realize rotation. The trigger member 15 includes a left trigger assembly 151 that triggers the left guide bar 16 and a right trigger assembly 152 that triggers the right guide bar 17. The left triggering component 151 comprises a left triggering plate 1511 arranged outside the mounting seat 9, a left triggering rod 1512 fixedly arranged on the left triggering plate 1511 and extending to one side of the left guiding rod 16, which is opposite to the abutting component 13, through the mounting seat 9, and the left triggering rod 1512 is in sliding fit with the mounting seat 9. The right triggering component 152 includes a right triggering plate 1521 disposed outside the mounting seat 9, and a right triggering rod 11522 fixedly disposed on the right triggering plate 1521 and extending through the mounting seat 9 to a side of the right guiding rod 17 opposite to the abutting component 13, where the right triggering rod 11522 is slidably matched with the mounting seat 9, and the left triggering component 151 and the right triggering component 152 are symmetrically disposed.

The control assembly 14 comprises a control seat 141 arranged outside the mounting seat 9 in a sliding manner, an isolation seat 147 covered outside the control seat 141, a transmission rack 142 arranged in the control seat 141 in a sliding manner, a circle of first tooth-shaped lines 143 formed on the peripheral wall of the transmission piece 12 and meshed with the transmission rack 142, a reversing rack 144 integrally arranged on the transmission rack 142, a control handle 145 rotatably arranged on the control seat 141, and a driving gear 146 fixedly arranged on the control handle 145 and meshed with the reversing rack 144, wherein the control handle 145 penetrates through the isolation seat 147 and is in sliding circumferential rotation fit with the axis of the isolation seat 147. The driving rack 142 is always meshed with the first tooth-shaped grain 143, the left trigger plate 1511 and the right trigger plate 1521 drive the driving rack 142 to move towards the driving member 12 through the control seat 141, and the control seat 141 is provided with a linkage edge 18 extending to the lower parts of the left trigger plate 1511 and the right trigger plate 1521.

The adjusting ejector rod 10 is provided with second tooth-shaped lines 19 meshed with the first tooth-shaped lines 143, the second tooth-shaped lines 19 are arranged along the moving direction of the adjusting ejector rod 10, the first tooth-shaped lines 143 and the second tooth-shaped lines 19 are meshed all the time through the abutting component 13, and the adjusting ejector rod 10 is driven to realize reciprocating sliding through the rotating transmission piece 12. The propping assembly 13 comprises a plurality of propping springs 131 arranged between the wall of the inner cavity 8 and the adjusting ejector rod 10 and propping plates 132 arranged between the plurality of propping springs 131 and the adjusting ejector rod 10, wherein the plurality of propping springs 131 are arranged at intervals along the sliding direction of the adjusting ejector rod 10, one end of each propping spring 131 is fixedly connected with the corresponding propping plate 132, and the other end of each propping spring 131 is fixedly connected with the wall of the inner cavity 8. The end of the adjusting ejector rod 10, which faces the inner tube 7, is an extrusion end 20, two sides of the extrusion end 20 are hinged with baffle plates 21, and the two baffle plates 21 extend along the axial direction of the butt joint tube 6 in opposite directions and are positioned between the inner tube 7 and the runner 5. The locking assembly comprises a plurality of locking teeth 23 fixedly arranged on the wall of the inner cavity 8.

The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.

Claims

1. The utility model provides a valve with flow control mechanism, includes valve body (1), sets up in valve gap (2) of valve body (1), installs in valve gap (2) and extend valve rod (3) in valve body (1), sets up in opening and close piece (4) of valve rod (3) and connect valve body (1) and have butt joint pipe (6) of runner (5), its characterized in that: an elastic inner tube (7) is arranged in the runner (5), two ends of the inner tube (7) extend to two ends of the butt joint tube (6) respectively, an installation seat (9) with an inner cavity (8) is fixedly arranged on the outer wall of the butt joint tube (6), the inner cavity (8) is communicated with the runner (5), an adjusting ejector rod (10) which moves towards the inner tube (7) in a reciprocating mode is arranged in the inner cavity (8) in a sliding mode, The outer wall of the mounting seat (9) is provided with a control port (11) communicated with the inner cavity (8), the inner cavity (8) is internally provided with a transmission part (12), the position, close to the control port (11), of the inner cavity (8) wall is provided with a locking component for limiting the motion of the transmission part (12), the transmission part (12) reciprocates between the locking component and the adjusting ejector rod (10), the inner cavity (8) is internally provided with an elastic propping component (13) which drives the adjusting ejector rod (10) and the transmission part (12) to be linked with a component always and drives the transmission part (12) to move towards the locking component so that the transmission part (12) and the locking component form locking fit and simultaneously protrude out of the control port (11), The control component (14) for controlling the action of the transmission piece (12) and the triggering component (15) for triggering the transmission piece (12) to leave the locking component are arranged on the outer side of the mounting seat (9), the control component (14) moves along with the triggering component (15) and comprises a left guiding rod (16) and a right guiding rod (17) which are respectively fixedly arranged on two opposite side walls of the transmission piece (12), the left guiding rod (16) and the right guiding rod (17) are in sliding fit with the wall of the inner cavity (8) so as to guide the transmission piece (12) to reciprocate, the triggering component (15) comprises a left triggering component (151) for triggering the left guiding rod (16) and a right triggering component (152) for triggering the right guiding rod (17), The transmission part (12) is in sliding and rotating fit with the wall of the inner cavity (8) through the left guide rod (16) and the right guide rod (17), the control assembly (14) comprises a control seat (141) which is arranged outside the installation seat (9) in a sliding way, an isolation seat (147) which is covered on the control seat (141), a transmission rack (142) which is arranged on the control seat (141) in a sliding way, a first tooth-shaped grain (143) which is formed on the peripheral wall of the transmission part (12) and meshed with the transmission rack (142), a reversing rack (144) which is fixedly arranged on the transmission rack (142), a control handle (145) which is rotatably arranged on the control seat (141) and a driving gear (146) which is arranged on the control handle (145) and meshed with the reversing rack (144), The control handle (145) penetrates through the isolation seat (147), the transmission rack (142) is always meshed with the first tooth-shaped grains (143), and the left triggering component (151) and the right triggering component (152) drive the transmission rack (142) to move towards the first tooth-shaped grains (143) through the control seat (141) respectively.

2. A valve with a flow regulating mechanism as claimed in claim 1, wherein: the left triggering assembly (151) comprises a left triggering plate (1511) arranged outside the mounting seat (9) and a right triggering rod (11522) fixedly arranged on the left triggering plate (1511) and penetrating through the mounting seat (9) to extend to the left triggering rod (1512) on one side of the left guiding rod (16) back to the tight supporting assembly (13), the left triggering rod (1512) is in sliding fit with the mounting seat (9), the right triggering assembly (152) comprises a right triggering plate (1521) arranged outside the mounting seat (9) and a linkage edge (18) fixedly arranged on the right triggering plate (1521) and penetrating through the mounting seat (9) to extend to the right guiding rod (17) on one side of the right guiding rod (17) back to the tight supporting assembly (13), and the right triggering rod (11522) is in sliding fit with the mounting seat (9), and the control seat (141) is provided with the linkage edge (18) respectively extending to the left triggering plate (1511) and the lower side of the right triggering plate (1521).

3. A valve with a flow regulating mechanism as claimed in claim 2, wherein: including setting up in adjusting ejector pin (10) and with the second profile of tooth line (19) of first profile of tooth line (143) meshing, second profile of tooth line (19) are arranged along the direction of motion of adjusting ejector pin (10) and are set up, support tight subassembly (13) drive first profile of tooth line (143) and second profile of tooth line (19) meshing all the time.

4. A valve with a flow regulating mechanism as claimed in claim 1, wherein: the abutting assembly (13) comprises a plurality of abutting springs (131) arranged between the wall of the inner cavity (8) and the adjusting ejector rod (10) and abutting plates (132) arranged between the abutting springs (131) and the adjusting ejector rod (10), and the abutting springs (131) are arranged at intervals along the sliding direction of the adjusting ejector rod (10).

5. A valve with a flow regulating mechanism as claimed in claim 1, wherein: one end of the adjusting ejector rod (10) facing the inner pipe (7) is an extrusion end (20), two sides of the extrusion end (20) are hinged with baffle plates (21), and the two baffle plates (21) extend along the axial direction of the butt joint pipe (6) in opposite directions and are positioned between the inner pipe (7) and the runner (5).

6. A valve with a flow regulating mechanism as claimed in claim 1, wherein: the two ends of the butt joint pipe (6) are fixedly provided with butt joint flanges (22), and the two ends of the inner pipe (7) extend to the end faces of the butt joint flanges (22) respectively.

7. A valve with a flow regulating mechanism as claimed in claim 1, wherein: the locking assembly comprises a plurality of locking teeth (23) fixedly arranged on the wall of the inner cavity (8).