Valve turbine head with good sealing performance

Abstract

The utility model provides a valve turbine head with good sealing performance, and relates to the technical field of valve turbine heads. The valve turbine head with the good sealing performance comprises a valve body, a lower mounting disc is arranged at the top end of the valve body, an upper mounting disc is mounted at the top end of the lower mounting disc, mounting bolts are in threaded connection with the interior of the upper mounting disc, sealing grooves are formed in the top end of the lower mounting disc and the bottom end of the upper mounting disc correspondingly, and first sealing rings are mounted in the sealing grooves; a second sealing ring is further mounted in the sealing groove, a connecting disc is mounted at the top end of the upper mounting disc, a driving rod is inserted into the upper mounting disc, the outer wall of the driving rod is sleeved with a third sealing ring, a mounting groove is formed in the outer wall of the driving rod, mounting flanges are fixed to the two ends of the valve body, and fixing bolts are in threaded connection with the interior of the connecting disc. An inner groove is formed in the inner wall of the upper mounting disc. Corresponding sealing mechanisms are arranged at the positions, connected with the valve body, of the mounting disc and the driving rod, so that the sealing performance of the valve body in the using process is greatly improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of valve turbine heads, in particular to a valve turbine head with good sealing performance. BACKGROUND

[0002] The valve turbine head is a key structure for flexibly opening and closing a valve. The valve turbine head can not only be used for air opening and closing but also can be used for controlling medium flow, belongs to a control tool and is often used in a connection part of multi-rotation electrical equipment.

[0003] However, in the prior art, no sealing mechanism is arranged between installation discs, leakage is prone to occur between the installation discs during operation, and the sealing effect between a driving rod and a valve body is poor, which is inconvenient for use. CONTENT OF THE UTILITY MODEL

[0004] The application provides a valve turbine head with good sealing performance, so as to solve the problem that, in the prior art, no sealing mechanism is arranged between installation discs, leakage is prone to occur between the installation discs during operation, and the sealing effect between a driving rod and a valve body is poor.

[0005] The application provides a valve turbine head with good sealing performance, which comprises a valve body, a lower installation disc arranged at the top end of the valve body, an upper installation disc arranged at the top end of the lower installation disc, an installation bolt threadedly connected to the inside of the upper installation disc, a sealing groove arranged at the top end of the lower installation disc and the bottom end of the upper installation disc, a first sealing ring arranged in the sealing groove, a second sealing ring also arranged in the sealing groove, a connecting disc arranged at the top end of the upper installation disc, a driving rod inserted into the inside of the upper installation disc, a third sealing ring sleeved on the outer wall of the driving rod and an installation groove arranged on the outer wall of the driving rod.

[0006] Preferably, installation flanges are arranged at the two ends of the valve body.

[0007] Preferably, a fixing bolt is threadedly connected to the inside of the connecting disc.

[0008] Preferably, an inner groove is arranged on the inner wall of the upper installation disc.

[0009] Preferably, a disc plate is connected to the bottom end of the driving rod, a fixing plate is arranged at one end of the disc plate and a bearing is connected to the bottom end of the driving rod.

[0010] Preferably, an installation box is fixed to the top end of the connecting disc, a driven gear is arranged at the top end of the driving rod, a transmission gear is engaged with one end of the driven gear and a transmission rod is arranged at one end of the transmission gear.

[0011] Preferably, one end of the transmission rod is threadedly connected with a mounting screw rod, and one end of the transmission rod is fixed with a rotating hand wheel.

[0012] Advantages:

[0013] In view of the prior valve turbine head, no sealing mechanism is arranged between the mounting plates, and leakage is prone to occur between the mounting plates during operation, and the sealing effect between the driving rod and the valve body is poor.

[0014] The lower mounting plate and the upper mounting plate are fixedly installed through mounting bolts, a sealing groove is formed at the top end of the lower mounting plate and the bottom end of the upper mounting plate, a first sealing ring and a second sealing ring are installed in the sealing groove, the installation of the lower mounting plate and the upper mounting plate is sealed through the first sealing ring and the second sealing ring, and the sealing effect of the lower mounting plate and the upper mounting plate is better under the action of the first sealing ring and the second sealing ring. Meanwhile, a mounting groove and an inner groove are formed on the outer wall of the driving rod and the inner wall of the upper mounting plate respectively, and a third sealing ring is installed in the mounting groove and the inner groove. The installation of the driving rod in the upper mounting plate is sealed through the third sealing ring, and the sealing property of the driving rod in the upper mounting plate is improved.

[0015] The above description is only a summary of the technical scheme of the embodiments of the present application. In order to more clearly understand the technical means of the embodiments of the present application, the embodiments of the present application can be implemented according to the content of the specification, and in order to make the above and other purposes, characteristics and advantages of the embodiments of the present application more obvious and easy to understand, the specific embodiments of the present application are described below. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0017] Figure 1 It is a whole structure schematic view of the valve turbine head with good sealing property.

[0018] Figure 2 It is a mounting plate sealing structure schematic view of the valve turbine head with good sealing property.

[0019] Figure 3 It is a driving rod sealing structure schematic view of the valve turbine head with good sealing property.

[0020] Figure 4 It is a whole structure schematic view of the valve turbine head with good sealing property. Figure 3 It is an enlarged structure schematic view of position A in the valve turbine head.

[0021] Figure 5 Figure 1 is a schematic view of the internal structure of the installation box of the valve turbine head with good sealing property according to the present application.

[0022] Marked explanation:

[0023] 1, valve body; 2, installation flange; 3, lower installation disc; 4, upper installation disc; 5, installation bolt; 6, first sealing ring; 7, second sealing ring; 8, sealing groove; 9, connecting disc; 10, fixing bolt; 11, driving rod; 12, third sealing ring; 13, installation groove; 14, inner groove; 15, disc plate; 16, fixed plate; 17, bearing; 18, installation box; 19, driven gear; 20, transmission gear; 21, transmission rod; 22, installation screw rod; 23, rotating hand wheel. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application; the use of the terms "including," "comprising," "having" and variations thereof herein is meant to encompass the inclusion of the recited elements but not the exclusion of others not recited.

[0026] Reference herein to "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily all directed to the same embodiment, or to a single alternative embodiment. It is explicitly contemplated that embodiments described herein can be combined with each other.

[0027] The positional words appearing in the following description are the directions shown in the drawings, and are not intended to limit the specific structure of the present application. For example, in the description of the present application, the positional or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the positional or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0028] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, the "connection" or "connection" of mechanical structure can mean physical connection, for example, the physical connection can be fixed connection, for example, fixed connection by fixing member, for example, fixed connection by screw, bolt or other fixing member; the physical connection can also be detachable connection, for example, mutual clamping or clamping connection; the physical connection can also be integrally connected, for example, welding, bonding or integrally formed connection. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the drawings.

[0030] The utility model provides a valve turbine head good sealing as Figures 1-5 As shown in a kind of valve turbine head good sealing, including valve body 1, the top of valve body 1 is provided with lower mounting disc 3, lower mounting disc 3 is installed with upper mounting disc 4 at top, upper mounting disc 4 is internally screwed with mounting bolt 5, the top of lower mounting disc 3 and the bottom of upper mounting disc 4 are all provided with sealing groove 8, first sealing ring 6 is installed in the inside of sealing groove 8, second sealing ring 7 is also installed in the inside of sealing groove 8, the top of upper mounting disc 4 is installed with connecting plate 9, driving rod 11 is inserted in the inside of upper mounting disc 4, third sealing ring 12 is sleeved on the outer wall of driving rod 11, installation groove 13 is formed in the outer wall of driving rod 11.

[0031] The lower mounting disc 3 and the upper mounting disc 4 are fixedly installed by the mounting bolt 5, the sealing groove 8 is arranged at the top of the lower mounting disc 3 and the bottom of the upper mounting disc 4, the first sealing ring 6 and the second sealing ring 7 are installed in the sealing groove 8, the installation of the lower mounting disc 3 and the upper mounting disc 4 is sealed by the first sealing ring 6 and the second sealing ring 7, and the sealing effect of the lower mounting disc 3 and the upper mounting disc 4 is better under the action of the first sealing ring 6 and the second sealing ring 7.

[0032] The valve body 1 is fixed with mounting flanges 2 at both ends.

[0033] The valve body 1 is fixedly installed at a suitable use site through the mounting flanges 2 at both ends of the valve body 1.

[0034] The connecting disc 9 is screwed with a fixing bolt 10.

[0035] The connecting disc 9 is fixedly connected with the mounting box 18 through the fixing bolt 10.

[0036] The inner wall of the upper mounting disc 4 is provided with an inner groove 14.

[0037] The inner groove 14 is arranged in the inner wall of the upper mounting disc 4, and the third sealing ring 12 in the inner groove 14 seals the installation of the driving rod 11 in the upper mounting disc 4.

[0038] The bottom end of the driving rod 11 is connected with a disc plate 15, one end of the disc plate 15 is provided with a fixing plate 16, and the bottom end of the driving rod 11 is connected with a bearing 17.

[0039] The bottom end of the driving rod 11 is connected with a disc plate 15, one end of the disc plate 15 is provided with a fixing plate 16, and the bottom end of the driving rod 11 is connected with a bearing 17.

[0040] The top end of the connecting disc 9 is fixedly provided with the mounting box 18, the top end of the driving rod 11 is provided with a driven gear 19, one end of the driven gear 19 is engaged with a transmission gear 20, and one end of the transmission gear 20 is provided with a transmission rod 21.

[0041] The transmission rod 21 is rotated to drive the transmission gear 20 to rotate, and then the driven gear 19 engaged at one end is driven to rotate under the rotation of the transmission gear 20, the driving rod 11 is driven to rotate through the rotation of the driven gear 19, and thus the flow control adjustment of the device is completed.

[0042] One end of the transmission rod 21 is threadedly connected with a mounting screw rod 22, and one end of the transmission rod 21 is fixed with a rotating hand wheel 23.

[0043] Wherein, the rotating hand wheel 23 is fixed on the transmission rod 21 through the mounting screw rod 22, so that the user can conveniently hold and rotate the rotating hand wheel 23 to adjust and control the flow.

[0044] Working principle: when the valve turbine head with good sealing is used, the lower mounting disc 3 and the upper mounting disc 4 are fixedly installed through the mounting bolt 5, the sealing groove 8 is formed at the top end of the lower mounting disc 3 and the bottom end of the upper mounting disc 4, the first sealing ring 6 and the second sealing ring 7 are installed in the sealing groove 8, the installation of the lower mounting disc 3 and the upper mounting disc 4 is sealed through the first sealing ring 6 and the second sealing ring 7, and under the action of the first sealing ring 6 and the second sealing ring 7, the sealing effect of the lower mounting disc 3 and the upper mounting disc 4 is better.

[0045] Meanwhile, the installation groove 13 and the inner groove 14 are formed on the outer wall of the driving rod 11 and the inner wall of the upper mounting disc 4 respectively, the third sealing ring 12 is installed in the installation groove 13 and the inner groove 14, the installation of the driving rod 11 in the upper mounting disc 4 is sealed through the third sealing ring 12, and the sealing property of the driving rod 11 in the upper mounting disc 4 is increased.

[0046] The above, the above examples are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A valve turbine hub with good sealing, comprising a valve body (1), characterized in that: The top end of the valve body (1) is provided with a lower mounting disc (3), the top end of the lower mounting disc (3) is provided with an upper mounting disc (4), the inside of the upper mounting disc (4) is screwed with a mounting bolt (5), the top end of the lower mounting disc (3) and the bottom end of the upper mounting disc (4) are both provided with a sealing groove (8), the inside of the sealing groove (8) is mounted with a first sealing ring (6), the inside of the sealing groove (8) is also mounted with a second sealing ring (7), the top end of the upper mounting disc (4) is mounted with a connecting disc (9), the inside of the upper mounting disc (4) is inserted with a driving rod (11), the outer wall of the driving rod (11) is sleeved with a third sealing ring (12), the outer wall of the driving rod (11) is provided with a mounting groove (13).

2. A valve turbine hub having a good seal according to claim 1, characterized in that: Both ends of the valve body (1) are fixedly provided with mounting flanges (2).

3. A valve turbine hub with improved sealing according to claim 1, characterized in that: The inside of the connecting disc (9) is screwed with a fixing bolt (10).

4. The valve turbine housing of claim 1, wherein: The inner wall of the upper mounting disc (4) is provided with an inner groove (14).

5. The valve turbine housing of claim 1, wherein: The bottom end of the driving rod (11) is connected with a disc plate (15), one end of the disc plate (15) is mounted with a fixing plate (16), the bottom end of the driving rod (11) is connected with a bearing (17).

6. A valve turbine hub having improved sealing according to claim 1, wherein: The top end of the connecting disc (9) is fixedly provided with a mounting box (18), the top end of the driving rod (11) is mounted with a driven gear (19), one end of the driven gear (19) is engaged with a transmission gear (20), one end of the transmission gear (20) is mounted with a transmission rod (21).

7. A valve turbine hub having a good seal according to claim 6, characterized in that: One end of the transmission rod (21) is screwed with a mounting screw rod (22), one end of the transmission rod (21) is fixedly provided with a rotating hand wheel (23).

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