CN114382910A - Novel electric valve flow adjusting device - Google Patents

Novel electric valve flow adjusting device Download PDF

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Publication number
CN114382910A
CN114382910A CN202210180819.5A CN202210180819A CN114382910A CN 114382910 A CN114382910 A CN 114382910A CN 202210180819 A CN202210180819 A CN 202210180819A CN 114382910 A CN114382910 A CN 114382910A
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CN
China
Prior art keywords
sealing
cavity
face
adjusting rod
sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202210180819.5A
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Chinese (zh)
Inventor
林潘忠
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Wenzhou Polytechnic
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Wenzhou Polytechnic
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Filing date
Publication date
Application filed by Wenzhou Polytechnic filed Critical Wenzhou Polytechnic
Priority to CN202210180819.5A priority Critical patent/CN114382910A/en
Publication of CN114382910A publication Critical patent/CN114382910A/en
Withdrawn legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F16K3/34—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K41/00—Spindle sealings
    • F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K41/00—Spindle sealings
    • F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
    • F16K41/04—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K41/00—Spindle sealings
    • F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
    • F16K41/06—Spindle sealings with stuffing-box ; Sealing rings with at least one ring attached to both spindle and housing

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Abstract

The invention discloses a novel electric valve flow regulating device which comprises a valve body, wherein an input pipe and an output pipe are respectively arranged on the left side and the right side of the valve body, a flow regulating mechanism is arranged on the input pipe, the flow regulating mechanism comprises a shell, a driving mechanism and a regulating rod, the driving mechanism comprises a screw rod mechanism, a connector and a guiding mechanism, a sealing device is sleeved on the outer side of the regulating rod, the sealing device comprises an upper sealing mechanism and a lower sealing mechanism, the upper sealing mechanism comprises a connecting component, a pressing component and a first sealing component, the lower sealing mechanism comprises a first sealing body, a transition sleeve and a second sealing component, and the first sealing body is arranged between the outer end face of the regulating rod and the inner side wall of a sealing cavity. According to the invention, the adjusting rod is controlled by the driving mechanism, the flow area of the channel in the shell can be changed, so that secondary accurate adjustment of the flow is realized, and the sealing device is arranged outside the adjusting rod, so that the sealing property of the internal environment can be effectively improved.

Description

Novel electric valve flow adjusting device
Technical Field
The invention relates to the technical field of valves, in particular to a novel electric valve flow adjusting device.
Background
The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. 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 valves are also classified into cast iron valves, cast steel valves, and the like according to the material. And current valve can not play two effects of closure and flow control simultaneously, need set up two devices that correspond and control, not only the operation is inconvenient, wastes time and energy moreover, has occupied a large amount of spaces, and is not good to the sealed effect of inside valve rod in addition.
Disclosure of Invention
In view of the above, the present invention provides a novel electric valve flow adjusting device to solve the above technical problems.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a novel electric valve flow control device, includes the valve body, the motor control drive that the valve body was set up by the upper end, input tube and output tube are installed respectively to the left and right sides of valve body, be provided with a flow control mechanism on the input tube, flow control mechanism includes:
the shell is installed at the square groove of the input pipe in a matching mode, and the lower end of the shell is matched with the installation cavity of the input pipe;
actuating mechanism, actuating mechanism installs top cap department on the casing, just actuating mechanism's lower extreme stretches into the holding intracavity of casing, actuating mechanism includes:
the screw rod mechanism is arranged on the top cover, and the lower end of the screw rod mechanism extends into the accommodating cavity;
the guide mechanism is arranged on the inner side wall of the accommodating cavity;
the upper end of the connector is fixedly connected to the lower end of the screw rod mechanism, and the lower end of the connector is pressed against the sliding seat of the guide mechanism;
the adjusting rod is fixedly connected with the lower end of the guide mechanism, the adjusting rod penetrates through the channel of the shell and is located in the adjusting cavity of the shell, and the lower end of the adjusting rod can be abutted against the inner bottom wall of the mounting cavity.
Further, the outside cover of adjusting the pole is equipped with a sealing device, sealing device is located the sealed intracavity of casing, sealing device includes:
go up sealing mechanism, it establishes to go up sealing mechanism the outer terminal surface of regulation pole is last, just go up sealing mechanism can with the inboard wall in sealed chamber is supported and is pressed, it includes to go up sealing mechanism:
the connecting assembly is arranged on the inner bottom wall of the accommodating cavity;
the compression assembly is in threaded connection with the connecting assembly;
the first sealing assembly is arranged between the outer end face of the adjusting rod and the inner side wall of the sealing cavity, and the pressing assembly can be pressed against the upper end face of the first sealing assembly;
the lower sealing mechanism is arranged between the outer end face of the adjusting rod and the inner side wall of the sealing cavity, the lower sealing mechanism is located at the lower end of the upper sealing mechanism, and the lower sealing mechanism comprises:
the first sealing body is arranged between the outer end face of the adjusting rod and the inner side wall of the sealing cavity, and the upper end face of the first sealing body is abutted against the bottom face of the first sealing component;
the transition sleeve is arranged on the outer end face of the adjusting rod and is pressed against the lower end face of the first sealing body;
and the second sealing assembly is arranged on the outer end face of the adjusting rod, the upper end of the second sealing assembly is clamped and connected in the small hole of the transition sleeve, and the lower end of the second sealing assembly is arranged in the counter bore of the sealing cavity.
Still further, the connection assembly includes:
the annular seat is fixed on the inner bottom wall of the accommodating cavity;
the connecting disc is fixedly connected to the annular seat, and is located at the upper end of the annular seat.
Still further, the compression assembly includes:
the pressing disc is arranged at the outer end of the adjusting rod and is in threaded connection with the connecting disc;
the pressing cylinder is integrally connected with the lower end of the pressing disc;
the elastic pieces are clamped at the corresponding straight holes of the annular seat and are abutted against the annular flange of the connecting disc, and inclined parts of the elastic pieces are abutted against the lower end face of the pressing cylinder.
Furthermore, the elastic sheet further comprises an end head portion, a deformation portion, a resisting portion and a protruding shaft which are connected integrally, the end head portion is connected with one end of the inclined portion integrally, the end head portion is pressed against the upper end face of the first sealing assembly, the deformation portion, the resisting portion and the protruding shaft are connected with the other end of the inclined portion integrally, the resisting portion is pressed against the annular flange, and the protruding shaft is clamped at the straight hole.
Furthermore, first seal assembly from top to bottom installs in proper order and presses cover, a sealing washer and a polyurethane cover, the end portion with the up end of pressing the cover supports mutually and presses, the sealing washer with the inside wall of polyurethane cover all with the outer end looks adaptation of adjusting the pole.
Furthermore, the first sealing body is composed of a pair of first frameworks and a sealing element, the pair of first frameworks are respectively installed at the upper end and the lower end of the sealing element, and a pair of inclined lips integrally connected to the sealing element are pressed against the outer wall of the adjusting rod.
Still further, the second seal assembly includes:
the small shaft of the embedding sleeve is connected with the small hole in a clamping manner;
the rubber piece is sleeved in the annular cavity body of the embedding sleeve;
and the upper end and the lower end of the spring are respectively arranged between the short shaft of the embedding sleeve and the sinking groove.
Furthermore, the annular convex part of the rubber part is connected with the annular groove part of the embedding sleeve in a clamping mode, and the convex arc part of the rubber part is pressed against the outer wall of the adjusting rod.
Still further, the screw mechanism includes:
a nut mounted on the top cover;
the screw rod is in threaded connection with the nut, and the upper end of the screw rod is connected with a hand wheel;
and the connecting sleeve is fixed at the upper end of the sliding seat, and the connector is in sliding fit with the movable cavity of the connecting sleeve.
The technical scheme can show that the invention has the advantages that:
according to the invention, the adjusting rod is controlled by the driving mechanism, the flow area of the channel in the shell can be changed, so that secondary accurate adjustment of the flow is realized, and the sealing device is arranged outside the adjusting rod, so that the sealing property of the internal environment can be effectively improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of fig. 1 at L.
Fig. 3 is a partial enlarged view of fig. 1 at M.
Fig. 4 is a partial enlarged view of fig. 1 at N.
Fig. 5 is a partially enlarged view at O of fig. 4.
Fig. 6 is a partial enlarged view of fig. 4 at P.
List of reference numerals: the valve body 10, the motor 11, the output pipe 12, the input pipe 13, the mounting cavity 131, the housing 20, the channel 21, the adjusting cavity 22, the top cover 23, the accommodating cavity 24, the sealing cavity 25, the counter bore 251, the adjusting rod 30, the driving mechanism 40, the hand wheel 41, the lead screw 42, the nut 43, the connecting sleeve 44, the movable cavity 441, the connecting head 45, the guiding mechanism 50, the sliding rail 51, the sliding seat 52, the sliding groove 521, the upper sealing mechanism 60, the annular seat 61, the straight hole 611, the connecting disk 62, the annular flange 621, the pressing disk 63, the pressing cylinder 631, the elastic sheet 64, the head 641, the inclined part 642, the deformation part 643, the abutting part 645, the protruding shaft 646, the pressing sleeve 65, the sealing ring 66, the polyurethane sleeve 67, the lower sealing mechanism 70, the first framework 711, the sealing body 711, the inclined lip 7121, the transition sleeve 72, the small hole 721, the embedding sleeve 73, the small shaft 731, the annular groove part 732, the short shaft 733, the rubber 74, the annular protrusion 741, the accommodating cavity 24, the sealing body 25, the sealing body 60, the upper sealing mechanism 60, the upper sealing body 60, the lower sealing body, the elastic sheet 64, the lower sealing body, the upper sealing body, the lower sealing body, the upper sealing body, the lower sealing body, the upper sealing body, the lower sealing body, convex arc 742, spring 75.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
With reference to fig. 1 to 6, the novel electrically operated valve flow adjusting device shown in fig. 1 and 4 includes a valve body 10, the valve body 10 is controlled and driven by a motor 11 disposed at an upper end, an input pipe 13 and an output pipe 12 are respectively mounted at left and right sides of the valve body 10, a flow adjusting mechanism is disposed on the input pipe 13, the flow adjusting mechanism includes a housing 20, a driving mechanism 40 and an adjusting rod 30, the housing 20 is mounted at a square groove of the input pipe 13 in a matching manner, and a lower end of the housing 20 is adapted to a mounting cavity 131 of the input pipe 13; the driving mechanism 40 is installed at the top cover 23 at the upper end of the housing 20, and the lower end of the driving mechanism 40 extends into the accommodating cavity 24 of the housing 20, the driving mechanism 40 includes a screw rod mechanism, a connector 45 and a guiding mechanism 50, the screw rod mechanism is arranged on the top cover 23, and the lower end of the screw rod mechanism extends into the accommodating cavity 24, the guiding mechanism 50 is arranged on the inner side wall of the accommodating cavity 24, the upper end of the connector 45 is fixedly connected to the lower end of the screw rod mechanism, and the lower end is pressed against the sliding seat 52 of the guiding mechanism 50; the adjusting rod 30 is fixedly connected with the lower end of the guide mechanism 50, the adjusting rod 30 penetrates through the passage 21 of the shell 20 and is located in the adjusting cavity 22 of the shell 20, and the lower end of the adjusting rod 30 can be pressed against the inner bottom wall of the mounting cavity 131;
preferably, a sealing device is sleeved on the outer side of the adjusting rod 30, the sealing device is located in the sealing cavity 25 of the housing 20, the sealing device includes an upper sealing mechanism 60 and a lower sealing mechanism 70, the upper sealing mechanism 60 is sleeved on the outer end surface of the adjusting rod 30, the upper sealing mechanism 60 can press against the inner side wall of the sealing cavity 25, the upper sealing mechanism 60 includes a connecting component, a pressing component and a first sealing component, the connecting component is arranged on the inner bottom wall of the accommodating cavity 24, the pressing component is in threaded connection with the connecting component, the first sealing component is arranged between the outer end surface of the adjusting rod 30 and the inner side wall of the sealing cavity 25, and the pressing component can press against the upper end surface of the first sealing component; the lower sealing mechanism 70 is disposed between the outer end surface of the adjusting lever 30 and the inner side wall of the sealing chamber 25, and the lower sealing mechanism 70 is located at the lower end of the upper sealing mechanism 60, the lower sealing mechanism 70 includes a first sealing body 71, a transition sleeve 72 and a second sealing component, the first sealing body 71 is arranged between the outer end surface of the adjusting rod 30 and the inner side wall of the sealing cavity 25, the upper end face of the first sealing body 71 is pressed against the bottom face of the first sealing assembly, the transition sleeve 72 is arranged on the outer end face of the adjusting rod 30 and pressed against the lower end face of the first sealing body 71, the second sealing assembly is arranged on the outer end face of the adjusting rod 30, and the upper end of the second seal assembly is clamped and connected in the small hole 721 of the transition sleeve 72, and the lower end of the second seal assembly is arranged in the counter bore 251 of the seal cavity 25.
Preferably, the connecting assembly includes an annular seat 61 and a connecting disc 62, the annular seat 61 is fixed on the inner bottom wall of the accommodating cavity 24, the connecting disc 62 is fixedly connected on the annular seat 61, and the connecting disc 62 is located at the upper end of the annular seat 61.
Preferably, the pressing component includes a pressing disc 63, a pressing cylinder 631 and a plurality of elastic sheets 64, the pressing disc 63 is disposed at the outer end of the adjusting rod 30 and is in threaded connection with the connecting disc 62, the pressing cylinder 631 is integrally connected with the lower end of the pressing disc 63, the elastic sheets 64 are all clamped at the corresponding straight holes 611 of the annular seat 61, and the elastic sheets 64 are all abutted against the annular flange 621 of the connecting disc 62, wherein the inclined portions 642 of the elastic sheets 64 are all abutted against the lower end face of the pressing cylinder 631.
As shown in fig. 5, the resilient tab 64 further includes an end head 641, a deformation portion 643, a resisting portion 645 and a protruding shaft 646, the end head 641 is integrally connected to one end of the inclined portion 642, the end head 641 is pressed against the upper end surface of the first sealing component, the deformation portion 643, the resisting portion 645 and the protruding shaft 646 are integrally connected to the other end of the inclined portion 642, the resisting portion 645 is pressed against the annular flange 621, and the protruding shaft 646 is engaged with the straight hole 611.
Preferably, a pressure sleeve 65, a sealing ring 66 and a polyurethane sleeve 67 are sequentially installed on the first sealing assembly from top to bottom, the end head 641 abuts against the upper end face of the pressure sleeve 65, and the inner side wall of the sealing ring 66 and the inner side wall of the polyurethane sleeve 67 are matched with the outer end of the adjusting rod 30.
Preferably, the first sealing body 71 is composed of a pair of first ribs 711 and a seal 712, the pair of first ribs 711 are respectively attached to upper and lower ends of the seal 712, and both of the pair of inclined lips 7121 integrally connected to the seal 712 are pressed against the outer wall of the adjustment lever 30.
As shown in fig. 6, the second sealing assembly includes an insert sleeve 73, a rubber piece 74 and a spring 75, a small shaft 731 of the insert sleeve 73 is connected with the small hole 721 in a snap-fit manner, the rubber piece 74 is sleeved in the annular cavity of the insert sleeve 73, and upper and lower ends of the spring 75 are respectively disposed between the short shaft 733 of the insert sleeve 73 and the sink 251.
Preferably, the annular protrusion 741 of the rubber 74 is engaged with the annular groove 732 of the insert 73, and the convex portion 742 of the rubber 74 is pressed against the outer wall of the adjustment lever 30.
As shown in fig. 2, the screw rod mechanism includes a screw rod 42, a nut 43 and a connecting sleeve 44, the nut 43 is installed on the top cover 23, the screw rod 42 is in threaded connection with the nut 43, the upper end of the screw rod 42 is connected with a hand wheel 41, the connecting sleeve 44 is fixed at the upper end of the sliding seat 52, and the connecting head 45 is in sliding fit with the movable cavity 441 of the connecting sleeve 44.
As shown in fig. 3, the guide mechanism 50 further includes a pair of slide rails 51, the pair of slide rails 51 are respectively disposed on inner sidewalls of two ends of the accommodating cavity 24, and the pair of slide rails 51 are respectively slidably connected to slide grooves 521 formed at two ends of the slide base 52.
The working process is as follows: when in normal use, fluid enters from the input pipe 13 and flows out from the output pipe 12, and when in fine adjustment, the fluid is discharged from the outlet through the channel 21 to play a role in regulating the flow for one time; during fine adjustment, the hand wheel 41 is rotated by hand, so that the hand wheel 41 drives the screw rod 42 to rotate and simultaneously moves downwards by matching with the nut 43, the connector 45 at the lower end moves downwards and gradually abuts against the upper end of the sliding seat 52, and the connection is converted into axial sliding of the adjusting rod 30 along the adjusting cavity 22 so as to push the adjusting rod 30 to move downwards, so that the length of the adjusting rod 30 extending into the channel 21 is changed, the flow area of the channel 21 is manually changed, secondary adjustment is performed on the flow, and accurate flow control is facilitated; when the adjusting rod 30 is inserted into the mounting cavity 131, the adjusting rod 30 is restricted and cannot move downwards continuously, and the flow area of the channel 21 is minimum; due to the sealing device arranged at the outer end of the adjusting rod 30, the sealing effect on the accommodating cavity 24 and the adjusting cavity 22 can be effectively improved; in summary, the driving mechanism 40 controls the adjusting rod 30, so that the flow area of the channel 21 in the housing 20 can be changed, thereby achieving secondary accurate adjustment of the flow, and the sealing device is arranged outside the adjusting rod 30, thereby effectively improving the sealing performance of the internal environment.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a novel electrically operated valve flow control device, includes valve body (10), motor (11) control drive that valve body (10) set up by the upper end, input tube (13) and output tube (12) are installed respectively to the left and right sides of valve body (10), its characterized in that, be provided with a flow adjustment mechanism on input tube (13), flow adjustment mechanism includes:
the shell (20) is installed at the square groove of the input pipe (13) in a matching mode, and the lower end of the shell (20) is matched with an installation cavity (131) of the input pipe (13);
a driving mechanism (40), wherein the driving mechanism (40) is installed at a top cover (23) at the upper end of the shell (20), and the lower end of the driving mechanism (40) extends into the accommodating cavity (24) of the shell (20), and the driving mechanism (40) comprises:
the screw rod mechanism is arranged on the top cover (23), and the lower end of the screw rod mechanism extends into the accommodating cavity (24);
a guide mechanism (50), wherein the guide mechanism (50) is arranged on the inner side wall of the accommodating cavity (24);
the upper end of the connecting head (45) is fixedly connected to the lower end of the screw rod mechanism, and the lower end of the connecting head (45) is pressed against a sliding seat (52) of the guide mechanism (50);
the adjusting rod (30), the adjusting rod (30) with the lower extreme rigid coupling of guiding mechanism (50), just adjust pole (30) and wear to establish passageway (21) of casing (20) and be located in adjusting chamber (22) of casing (20), the lower extreme of adjusting rod (30) can support and press on the interior diapire of installation cavity (131).
2. The new electrically operated valve flow regulating device according to claim 1, characterized in that the outer side of the regulating rod (30) is sleeved with a sealing device, the sealing device is located in the sealing cavity (25) of the housing (20), the sealing device comprises:
go up sealing mechanism (60), go up sealing mechanism (60) cover and establish on the outer terminal surface of adjusting pole (30), just go up sealing mechanism (60) can with the inside wall of sealed chamber (25) is supported and is pressed, go up sealing mechanism (60) and include:
a connecting assembly arranged on the inner bottom wall of the containing cavity (24);
the compression assembly is in threaded connection with the connecting assembly;
the first sealing assembly is arranged between the outer end face of the adjusting rod (30) and the inner side wall of the sealing cavity (25), and the pressing assembly can be pressed against the upper end face of the first sealing assembly;
a lower sealing mechanism (70), wherein the lower sealing mechanism (70) is arranged between the outer end face of the adjusting rod (30) and the inner side wall of the sealing cavity (25), the lower sealing mechanism (70) is positioned at the lower end of the upper sealing mechanism (60), and the lower sealing mechanism (70) comprises:
the first sealing body (71), the first sealing body (71) is arranged between the outer end face of the adjusting rod (30) and the inner side wall of the sealing cavity (25), and the upper end face of the first sealing body (71) is abutted to the bottom face of the first sealing component;
the transition sleeve (72) is arranged on the outer end face of the adjusting rod (30) and is pressed against the lower end face of the first sealing body (71);
and the second sealing assembly is arranged on the outer end face of the adjusting rod (30), the upper end of the second sealing assembly is clamped and connected in the small hole (721) of the transition sleeve (72), and the lower end of the second sealing assembly is arranged in the counter bore (251) of the sealing cavity (25).
3. The novel electrically operated valve flow regulating device of claim 2, wherein said connecting assembly comprises:
an annular seat (61), said annular seat (61) being fixed to the inner bottom wall of said housing chamber (24);
the connecting disc (62) is fixedly connected to the annular seat (61), and the connecting disc (62) is located at the upper end of the annular seat (61).
4. The novel electrically operated valve flow regulating device of claim 3, wherein said compression assembly comprises:
the pressing disc (63) is arranged at the outer end of the adjusting rod (30) and is in threaded connection with the connecting disc (62);
a pressing cylinder (631), wherein the pressing cylinder (631) is integrally connected with the lower end of the pressing disc (63);
the elastic sheets (64) are clamped at the corresponding straight holes (611) of the annular seat (61), the elastic sheets (64) are abutted against the annular flange (621) of the connecting disc (62), and inclined parts (642) of the elastic sheets (64) are abutted against the lower end face of the pressing cylinder (631).
5. The new electrically actuated valve flow regulating device according to claim 4, characterized in that said resilient tab (64) further comprises an integrally connected head portion (641), a deformation portion (643), a resisting portion (645) and a protruding shaft (646), said head portion (641) being integrally connected with one end of said inclined portion (642) and said head portion (641) being pressed against the upper end face of said first seal member, said deformation portion (643), said resisting portion (645) and said protruding shaft (646) being integrally connected with the other end of said inclined portion (642) and said resisting portion (645) being pressed against said annular flange (621), said protruding shaft (646) being engaged at said straight hole (611).
6. The new electrically operated valve flow regulating device as claimed in claim 5, wherein the first sealing assembly is sequentially provided with a pressing sleeve (65), a sealing ring (66) and a polyurethane sleeve (67) from top to bottom, the end head (641) is pressed against the upper end surface of the pressing sleeve (65), and the inner side walls of the sealing ring (66) and the polyurethane sleeve (67) are both adapted to the outer end of the regulating rod (30).
7. The new electrically operated valve flow regulating device according to claim 6, characterized in that said first sealing body (71) is composed of a pair of first ribs (711) and a sealing member (712), the pair of first ribs (711) are respectively installed at the upper and lower ends of said sealing member (712), and a pair of inclined lips (7121) integrally connected to said sealing member (712) are pressed against the outer wall of said regulating rod (30).
8. The novel electrically actuated valve flow regulating device of claim 7, wherein said second seal assembly comprises:
the small shaft (731) of the embedding sleeve (73) is connected with the small hole (721) in a clamping manner;
the rubber piece (74) is sleeved in the annular cavity of the embedding sleeve (73);
and the upper end and the lower end of the spring (75) are respectively arranged between the short shaft (733) of the embedding sleeve (73) and the sinking groove (251).
9. The new electrically operated valve flow regulating device according to claim 8, characterized in that the annular protrusion (741) of the rubber member (74) is snap-fitted into the annular groove (732) of the insert (73), and the convex arc portion (742) of the rubber member (74) is pressed against the outer wall of the regulating rod (30).
10. The novel electrically operated valve flow regulating device of claim 9, wherein said screw mechanism comprises:
a nut (43), said nut (43) being mounted on said top cover (23);
the screw rod (42) is in threaded connection with the nut (43), and the upper end of the screw rod (42) is connected with a hand wheel (41);
the connecting sleeve (44) is fixed at the upper end of the sliding seat (52), and the connecting head (45) is in sliding fit with the movable cavity (441) of the connecting sleeve (44).
CN202210180819.5A 2022-02-25 2022-02-25 Novel electric valve flow adjusting device Withdrawn CN114382910A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210180819.5A CN114382910A (en) 2022-02-25 2022-02-25 Novel electric valve flow adjusting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210180819.5A CN114382910A (en) 2022-02-25 2022-02-25 Novel electric valve flow adjusting device

Publications (1)

Publication Number Publication Date
CN114382910A true CN114382910A (en) 2022-04-22

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CN202210180819.5A Withdrawn CN114382910A (en) 2022-02-25 2022-02-25 Novel electric valve flow adjusting device

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