CN217559031U - Combined guide stop valve - Google Patents

Combined guide stop valve Download PDF

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Publication number
CN217559031U
CN217559031U CN202220889849.9U CN202220889849U CN217559031U CN 217559031 U CN217559031 U CN 217559031U CN 202220889849 U CN202220889849 U CN 202220889849U CN 217559031 U CN217559031 U CN 217559031U
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China
Prior art keywords
valve
clack
cover
valve rod
rod
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Active
Application number
CN202220889849.9U
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Chinese (zh)
Inventor
王楷
王志坚
剧恒
顾崇怀
吴静文
洪礼国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Zhongtian Nuclear Technology Industry Co ltd
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Tianjin Zhonghe Science & Technology Industrial Co ltd
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Priority to CN202220889849.9U priority Critical patent/CN217559031U/en
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Publication of CN217559031U publication Critical patent/CN217559031U/en
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Abstract

The utility model provides a combination direction stop valve, which comprises a valve body, the valve rod, the valve clack, valve gap and hand wheel, bolted connection is passed through at the top of valve gap and valve body, the bottom of valve rod is passed the valve gap and is stretched into in the valve body, the circulation hole top of valve body is arranged in to the valve clack, the centre of valve clack is seted up flutedly, peg graft in the recess in the bottom of valve rod, be equipped with the valve clack lid with valve clack recess inner wall threaded connection in the clearance between the recess inner wall of valve rod and valve clack, the keyway has been seted up to the bottom that corresponds the valve clack lid on the valve rod, the embedding sets up between keyway and the valve clack lid inside wall and prevents the relative valve clack lid pivoted key of valve rod, the concave ring groove has been seted up in the below of keyway, the concave ring inslot fills up and is equipped with the split ring, the lower part of valve clack is circular. The utility model discloses set up the guide bush on the valve gap, can make the valve rod reciprocate, keep the valve clack irrotational simultaneously, prevent effectively that the valve clack from inclining, the radial skew of restriction valve rod keeps the valve clack concentric with the valve body opening, avoids sealed face skew to take place to leak.

Description

Combined guide stop valve
Technical Field
The utility model relates to a valve production technical field especially relates to a combination direction stop valve.
Background
The valve is the control unit in the fluid conveying system, it is by, adjust, water conservancy diversion, prevent functions such as adverse current, reposition of redundant personnel or overflow pressure release, current stop valve is through the circulation hole of valve clack jam on the disk seat, realize closing of valve, the valve rod is connected with the valve clack freely in the stop valve, the in-process valve rod of opening and close makes the valve clack rotatory, thereby the valve clack swings easily, and then make the valve clack be difficult for keeping concentric and the location with the valve body circulation hole, and easy to the circulation hole inner wall fish tail, and then cause the leakage, can process the guide way on disk seat or valve body among the prior art, avoid the sealed face of valve clack to take place the phenomenon of skew through the guide way, but at the inside processing guide way greatly increased casting difficulty of valve body, and the production cost is improved.
Disclosure of Invention
The utility model provides a solve above-mentioned problem, provide a can avoid the sealed face of valve clack to take place the combination direction stop valve of skew.
The utility model discloses the technical scheme who takes:
a combined guide stop valve comprises a valve body, a valve rod, a valve clack, a valve cover and a hand wheel, wherein the valve cover is connected with the top of the valve body through a bolt, the bottom end of the valve rod penetrates through the valve cover and extends into the valve body, the valve clack is arranged above a circulation hole of the valve body, a groove is formed in the middle of the valve clack, the bottom end of the valve rod is inserted into the groove, a valve clack cover in threaded connection with the inner wall of the groove of the valve clack is arranged in a gap between the valve rod and the inner wall of the groove of the valve clack, a key groove is formed in the valve rod corresponding to the bottom end of the valve clack cover, a key for preventing the valve rod from rotating relative to the valve clack cover is embedded between the key groove and the inner wall of the valve clack cover, the concave ring groove has been seted up in the below of keyway to the bottom of valve rod, the concave ring inslot pad is equipped with the split ring, the lower part of valve clack is circular, the upper portion of valve clack is the polygon, the valve gap has the guide shaft cover towards the position welding that the valve clack is being faced towards one side of valve body inner chamber, the guide shaft cover inner chamber is the polygon that matches with valve clack upper portion, guide shaft cover inner wall and the laminating of valve clack upper portion outer wall, and slide and cup joint the upper portion at the valve clack, the hand wheel sets up the top at the valve rod, and set up valve rod nut between hand wheel and the valve rod, valve rod nut and hand wheel interference fit are connected, valve rod nut and valve rod screw-thread fit are connected.
The polygon matched with each other on the upper part of the valve clack and the guide shaft sleeve is a quadrangle, a pentagon, a hexagon, a heptagon or an octagon.
The valve rod nut has cup jointed gland nut outward, the outside spiro union upper cover of gland nut, upper cover and valve gap body coupling, gland nut's bottom is pressed on valve rod nut bottom boss.
The contact gap between the valve cover and the valve rod is filled with filler, the valve rod is sleeved with the compression ring above the filler, the valve rod is sleeved with the compression plate above the compression ring, and the compression plate is connected with the valve cover through the hoisting bolt.
The hoisting bolt is rotatably connected with the valve cover through a pin shaft.
The contact surface gasket of valve gap and valve body be equipped with the gasket that plays sealed effect.
The utility model has the advantages that: the utility model discloses set up the guide bush on the valve gap, can make the valve rod reciprocate, keep the valve clack irrotational simultaneously, prevent effectively that the valve clack from inclining, the radial skew of restriction valve rod keeps the valve clack concentric with the valve body opening, avoids sealed face skew to take place to leak.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a right side view of the present invention.
Fig. 3 isbase:Sub>A sectional view taken along the planebase:Sub>A-base:Sub>A in fig. 2.
Wherein: 1-a valve body; 2-a valve clack; 3-double-ring opening; a 4-bond; 5-valve flap cover; 6-valve stem; 7-a gasket; 8-bolt; 9-a valve cover; 10-a filler; 11-a pin shaft; 12-a pressure ring; 13-pressing plate; 14-fastening bolts; 15-valve stem nut; 16-gland nuts; 17-a hand wheel; and 18-guide shaft sleeve.
Detailed Description
A combined guide stop valve comprises a valve body 1, a valve rod 6, a valve clack 2, a valve cover 9 and a hand wheel 17, wherein the valve cover 9 is connected with the top of the valve body 1 through a bolt 8, the bottom end of the valve rod 6 penetrates through the valve cover 9 and extends into the valve body 1, the valve clack 2 is arranged above a circulation hole of the valve body 1, a groove is formed in the middle of the valve clack 2, the bottom end of the valve rod 6 is inserted into the groove, a valve clack cover 5 in threaded connection with the inner wall of the groove of the valve clack 2 is arranged in a gap between the valve rod 6 and the inner wall of the groove of the valve clack 2, a key groove is formed in the valve rod 6 corresponding to the bottom end of the valve clack cover 5, a key 4 for preventing the valve rod 6 from rotating relative to the valve clack cover 5 is embedded between the key groove and the inner wall of the valve clack cover 5, so that the valve clack cover 5 and the valve rod 6 do not rotate relatively, and the valve clack 2 is in threaded connection with the valve clack cover 5, thereby make valve clack 2 not take place to rotate, the concave ring groove has been seted up in the bottom of valve rod 6 below the keyway, the concave ring inslot pad is equipped with to the split ring 3, split ring 3 can prevent effectively that valve rod 6 from taking out from valve clack lid 5, the lower part of valve clack 2 is circular, the upper portion of valve clack 2 is the polygon, valve gap 9 has guide shaft cover 18 towards the position welding of valve body 1 one side of inner chamber facing valve clack 2, guide shaft cover 18 inner chamber is the polygon that matches with valve clack 2 upper portion, the laminating of guide shaft cover 18 inner wall and valve clack 2 upper portion outer wall, and the slip cup joints the upper portion at valve clack 2, hand wheel 17 sets up the top at valve rod 6, and set up valve rod nut 15 between hand wheel 17 and the valve rod 6, valve rod nut 15 is connected with hand wheel 17 interference fit, valve rod nut 15 is connected with valve rod 6 screw-thread fit.
The polygon that mutually matches of valve clack 2 upper portion and guide bush 18 be quadrangle, pentagon, hexagon, heptagon or octagon, the guide bush 18 of multilateral shape has the guide effect to valve clack 2, prevents that valve clack 2 from taking place to rotate, and the polygon shape is more steady with the hexagon direction of leading especially.
The valve rod nut 15 is sleeved with the gland nut 16, the outer side of the gland nut 16 is in threaded connection with the upper cover, the upper cover is integrally connected with the valve cover 9, and the bottom end of the gland nut 16 is pressed on a boss at the bottom end of the valve rod nut 15, so that the upward movement of the valve rod nut 15 is limited.
The packing 10 is filled in the contact gap between the valve cover 9 and the valve rod 6, the compression ring 12 is sleeved on the valve rod 6 above the packing 10, the pressing plate 13 is sleeved on the valve rod 6 above the compression ring 12, the pressing plate 13 is connected with the valve cover 9 through the hoisting bolt 14, and the hoisting bolt 14 is rotatably connected with the valve cover 9 through the pin shaft 11. Maintaining the sealing effect between the valve cover 9 and the valve rod 6.
The contact surface gasket of valve gap 9 and valve body 1 be equipped with the gasket 7 that plays sealed effect, avoid liquid to leak from the connection face of valve gap 9 and valve body 1.
When the valve is used, the upstream liquid flows into the valve body 1 and reaches the through hole of the valve body 1, the valve rod nut 15 is in threaded fit connection with the valve rod 6, the hand wheel 17 is in interference fit connection with the valve rod nut 15, the hand wheel 17 is manually adjusted to drive the valve rod 6 to ascend, a key 4 is arranged at the connection position of the valve rod 6 and the valve clack cover 5, the valve rod 6 and the valve clack 2 do not rotate relatively, the valve clack 2 is sleeved in the guide shaft sleeve 18 in a sliding mode, the hand wheel 17 rotates to drive the valve rod 6 to ascend through the valve rod nut 15, the valve rod 6 drives the valve clack 2 to vertically seal the through hole of the valve body 1 downwards along the guide shaft sleeve 18, the circle center of the valve clack 2 is concentric with the through hole of the valve body 1 during plugging, and leakage is avoided.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (6)

1. The combined guide stop valve is characterized by comprising a valve body (1), a valve rod (6), a valve clack (2), a valve cover (9) and a hand wheel (17), wherein the valve cover (9) is connected with the top of the valve body (1) through a bolt (8), the bottom end of the valve rod (6) penetrates through the valve cover (9) and extends into the valve body (1), the valve clack (2) is arranged above a through hole of the valve body (1), a groove is formed in the middle of the valve clack (2), the bottom end of the valve rod (6) is inserted into the groove, a valve clack cover (5) in threaded connection with the inner wall of the groove of the valve clack (2) is arranged in a gap between the valve rod (6) and the inner wall of the groove of the valve clack (2), a key groove is formed in the valve rod (6) corresponding to the bottom end of the valve clack cover (5), a key groove is formed in the key groove between the key groove and the inner wall of the valve clack cover (5) for preventing the valve rod (6) from rotating relative to the valve clack cover (5), a circular ring groove is formed in the bottom end of the key groove below the key groove, a circular guide stop valve (6), a circular guide ring (3) is arranged in the inner cavity of the inner side of the valve body (18) facing the valve cover (2), guide bush (18) inner wall and valve clack (2) upper portion outer wall laminating, and slide and cup joint on the upper portion of valve clack (2), hand wheel (17) set up on the top of valve rod (6), and set up valve-stem nut (15) between hand wheel (17) and valve rod (6), and valve-stem nut (15) and hand wheel (17) interference fit are connected, and valve-stem nut (15) and valve rod (6) screw-thread fit are connected.
2. A combined guiding and stop valve according to claim 1, characterized in that the matching polygons of the upper part of the flap (2) and the guiding sleeve (18) are quadrangle, pentagon, hexagon, heptagon or octagon.
3. The combined guide stop valve of claim 1, characterized in that a gland nut (16) is sleeved outside the valve stem nut (15), an upper cover is screwed outside the gland nut (16), the upper cover is integrally connected with the valve cover (9), and the bottom end of the gland nut (16) is pressed on a boss at the bottom end of the valve stem nut (15).
4. The combined guide stop valve according to claim 1, characterized in that the contact gap between the valve cover (9) and the valve rod (6) is filled with the filling material (10), a press ring (12) is sleeved on the valve rod (6) above the filling material (10), a press plate (13) is sleeved on the valve rod (6) above the press ring (12), and the press plate (13) is connected with the valve cover (9) through a hanging bolt (14).
5. The combined guide stop valve of claim 4, characterized in that the fastening bolt (14) is rotatably connected with the valve cover (9) through a pin shaft (11).
6. A combined guide and stop valve as claimed in claim 5, characterized in that the contact surface of the valve cover (9) and the valve body (1) is provided with a gasket (7) for sealing.
CN202220889849.9U 2022-04-18 2022-04-18 Combined guide stop valve Active CN217559031U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220889849.9U CN217559031U (en) 2022-04-18 2022-04-18 Combined guide stop valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220889849.9U CN217559031U (en) 2022-04-18 2022-04-18 Combined guide stop valve

Publications (1)

Publication Number Publication Date
CN217559031U true CN217559031U (en) 2022-10-11

Family

ID=83472926

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220889849.9U Active CN217559031U (en) 2022-04-18 2022-04-18 Combined guide stop valve

Country Status (1)

Country Link
CN (1) CN217559031U (en)

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CP03 Change of name, title or address

Address after: No. 169 Hangkong Road, pilot free trade zone (Airport Economic Zone), Binhai New Area, Tianjin 300385

Patentee after: Tianjin Zhongtian Nuclear Technology Industry Co.,Ltd.

Country or region after: China

Address before: No. 169 Hangkong Road, pilot free trade zone (Airport Economic Zone), Binhai New Area, Tianjin 300385

Patentee before: TIANJIN ZHONGHE SCIENCE & TECHNOLOGY INDUSTRIAL CO.,LTD.

Country or region before: China

CP03 Change of name, title or address