Positioning sealing valve and pipeline adjusting system

Abstract

The utility model provides a positioning and sealing valve and a pipeline adjusting system, which comprise a connecting frame body, a sealing ring and a sealing ring, a driving mechanism; the valve plate mechanism comprises a linkage assembly and a valve plate body, one end of the linkage assembly is connected with the driving mechanism, the other end of the linkage assembly is connected with the valve plate body, and the linkage assembly is of a five-connecting-rod structure and comprises a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod and a fifth connecting rod which are connected in a relatively rotating mode; the valve plate body is connected to the circulation opening through the linkage assembly, and the valve plate body translates and / or rotates relative to the circulation opening so as to adjust the opening degree of the circulation opening. According to the novel positioning sealing valve and the pipeline adjusting system, multi-angle precise adjustment of the valve plate body can be achieved, and compared with an existing conventional pipeline valve body, the novel positioning sealing valve and the pipeline adjusting system have the remarkable advantages of being high in adjusting precision, good in positioning effect, low in cost, small in size, wide in application range and the like and have wide use prospects.

Description

Technical Field

[0001] The utility model relates to the technical field of valve bodies, in particular to a positioning sealing valve and a pipeline regulating system. Background Art

[0002] The pipeline valve body is a key component used to control the flow and velocity of gas or liquid in the ventilation duct system. In the existing pipeline valve body technology, the control of the valve body is usually achieved through a linear drive device, such as a linear drive device such as a motor or a cylinder to drive the valve body to open and close. These linear drives control the opening degree of the valve body by adjusting the moving position of the stop block, thereby achieving control of the gas flow and velocity.

[0003] However, there are some problems with the existing ventilation duct valve body technology, such as sealing, flexibility, production cost, etc. The most important of these is that the adjustment device does not have a precise adjustment structure, which leads to lack of precision when adjusting the degree of opening of the valve body, and it is difficult to achieve the effect of precise adjustment and positioning. If a pipeline adjustment system is added for this purpose, the cost and volume of the valve body will be multiplied. These problems limit the performance, efficiency and scope of use of the ventilation duct system, increase maintenance costs, and may affect the normal operation of the equipment. Summary of the invention

[0004] Therefore, the technical problem to be solved by the utility model is to overcome the problem of low adjustment accuracy of pipeline valve bodies in the prior art and to provide a positioning sealing valve and a pipeline adjustment system.

[0005] In order to solve the above technical problems, the utility model provides a positioning sealing valve, which includes: a connecting frame, a flow port is provided inside the connecting frame; a driving mechanism; a valve plate mechanism, the valve plate mechanism includes a linkage assembly and a valve plate body, one end of the linkage assembly is connected to the driving mechanism, and the other end is connected to the valve plate body, wherein the linkage assembly is a five-link structure, which includes a first link, a second link, a third link, a fourth link and a fifth link that are relatively rotatably connected, the valve plate body is connected to the flow port through the linkage assembly, and the valve plate body translates and / or rotates relative to the flow port to adjust the opening of the flow port.

[0006] In one embodiment of the present invention, the first connecting rod is connected to the driving mechanism, the second connecting rod is connected between the first connecting rod and the third connecting rod, and the third connecting rod is connected to the fourth connecting rod, the fifth connecting rod and the valve plate body.

[0007] In one embodiment of the utility model, the fourth connecting rod includes a first stop portion and at least one first connecting portion, one end of the first connecting portion is rotatably connected to the third connecting rod around a first rotation center line, and the other end is connected to the first stop portion, and the first stop portion extends in the same direction as the first rotation center line.

[0008] In one embodiment of the utility model, the fifth connecting rod includes a second stop portion and at least one second connecting portion, one end of the second connecting portion is rotatably connected to the third connecting rod around a second rotation center line, and the other end is connected to the second stop portion, the second stop portion extends in the same direction as the second rotation center line, and the second stop portion is located on the side of the first stop portion close to the first connecting rod.

[0009] In one embodiment of the utility model, the third connecting rod includes a shell, one end of the shell is connected to the valve plate body, and the shell is provided with a first shaft, a second shaft and a third shaft arranged at intervals along its length direction, wherein the first shaft is close to the valve plate body, the fourth connecting rod is rotatably connected to the first shaft, the fifth connecting rod is transmission-connected to the second shaft, and the second connecting rod is rotatably connected to the third shaft.

[0010] In an embodiment of the present utility model, the third connecting rod further includes a reinforcing rib, and the reinforcing rib is connected to the shell.

[0011] In one embodiment of the utility model, the connection frame includes a mounting portion and a barrier portion, the mounting portion is connected to the pipe to be installed, the barrier portion is arranged inside the mounting portion, and the flow port is arranged on the barrier portion.

[0012] In one embodiment of the utility model, the driving mechanism includes an electric actuator, a driving rod and a mounting frame, the electric actuator is connected to the outside of the connecting frame through the mounting frame, one end of the driving rod is connected to the working end of the electric actuator, and the other end passes through the connecting frame and is connected to the first connecting rod.

[0013] In one embodiment of the utility model, it also includes a sealing mechanism, which is arranged at the contact point between the driving mechanism and the connecting frame, and the sealing mechanism includes a sealing pressing block, and the sealing pressing block is filled with sealing filler.

[0014] The utility model provides a pipeline regulating system, which comprises at least one positioning sealing valve mentioned above.

[0015] The above technical solution of the utility model has the following advantages compared with the prior art:

[0016] The positioning sealing valve and pipeline regulating system described in the utility model connects the driving mechanism and the valve plate mechanism to the pipeline to be installed through a connecting frame, and then provides power through the driving mechanism, and realizes the translation or rotation of the valve plate body relative to the flow port through the five-link mechanism in the linkage assembly, thereby realizing precise adjustment of the valve plate body at multiple angles. Compared with the existing conventional pipeline valve bodies, the present application has the significant advantages of high adjustment accuracy, good positioning effect, low cost, small size and wide application range. It is a new positioning sealing valve and pipeline regulating system with broad application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments of the utility model in combination with the accompanying drawings.

[0018] Figure 1 It is a three-dimensional structural schematic diagram of a positioning sealing valve in a preferred embodiment of the utility model;

[0019] Figure 2 yes Figure 1 The structural schematic diagram of the connecting rod assembly in the positioning sealing valve shown;

[0020] Figure 3 yes Figure 2 The enlarged schematic diagram at A in the middle;

[0021] Figure 4 yes Figure 2 Schematic diagram of the three-dimensional structure of the third connecting rod, the fourth connecting rod, the fifth connecting rod and part of the second connecting rod.

[0022] Explanation of the reference numerals in the specification: 100, connecting frame; 110, mounting portion; 120, barrier portion; 121, flow port; 200, driving mechanism; 210, electric actuator; 220, driving rod; 230, mounting frame; 300, valve plate mechanism; 310, linkage assembly; 311, first connecting rod; 312, second connecting rod; 313, third connecting rod; 3131, housing; 3132, reinforcing rib; 3133, first shaft; 3134, second shaft; 3135, third shaft; 314, fourth connecting rod; 3141, first connecting portion; 3142, first stop portion; 315, fifth connecting rod; 3151, second connecting portion; 3152, second stop portion; 320, valve plate body; 330, sealing ring; 400, sealing mechanism; 1001, first rotation center line; 1002, second rotation center line. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0024] Embodiment 1

[0025] See also Figure 1 As shown, this embodiment provides a positioning sealing valve, which includes: a connecting frame 100, wherein a flow port 121 is provided inside the connecting frame 100; a driving mechanism 200; a valve plate mechanism 300, wherein the valve plate mechanism 300 includes a linkage assembly 310 and a valve plate body 320, wherein one end of the linkage assembly 310 is connected to the driving mechanism 200, and the other end is connected to the valve plate body 320, wherein the linkage assembly 310 is a five-link structure, which includes a first link 311, a second link 312, a third link 313, a fourth link 314 and a fifth link 315 which are relatively rotatably connected, the valve plate body 320 is connected to the flow port 121 through the linkage assembly 310, and the valve plate body 320 translates and / or rotates relative to the flow port 121 to adjust the opening of the flow port 121.

[0026] The positioning sealing valve described in this embodiment connects the driving mechanism 200 and the valve plate mechanism 300 to the pipeline to be installed through the connecting frame 100, and then the driving mechanism 200 provides power, and the five-link mechanism in the linkage assembly 310 realizes the translation or rotation of the valve plate body 320 relative to the flow port 121, thereby realizing precise adjustment of the valve plate body 320 at multiple angles. Compared with the existing conventional pipeline valve bodies, the present application has the significant advantages of high adjustment accuracy, good positioning effect, low cost, small size and wide application range, and is a new positioning sealing valve with broad application prospects.

[0027] See also Figure 1As shown, the connection frame 100 includes a mounting portion 110 and a barrier portion 120, the mounting portion 110 is connected to the pipeline to be installed, the barrier portion 120 is arranged in the mounting portion 110, and the flow port 121 is arranged on the barrier portion 120. In this embodiment, the mounting portion 110 is preferably a rectangular frame, which can install the driving mechanism 200 and the valve plate mechanism 300 inside the pipeline through connecting parts such as pins, the barrier portion 120 is arranged in the mounting portion 110, and the extension direction of the barrier portion 120 is parallel to the cross section of the pipeline to be installed, thereby providing a connection support structure for the movement of the valve plate mechanism 300. Further, the flow port 121 in this embodiment is preferably a circular through hole, the diameter of which is the same as the outer diameter of the valve plate body 320, and a sealing ring 330 is arranged on the periphery of the flow port 121, thereby ensuring the sealing performance between the two when the valve plate body 320 is in a closed state. Specifically, the sealing ring 330 is preferably an annular silicone element, which is connected to the barrier portion 120 by adhesive bonding, thereby maximizing the sealing effect at the flow port 121 .

[0028] See also Figure 1 As shown, the driving mechanism 200 includes an electric actuator 210, a driving rod 220 and a mounting frame 230. The electric actuator 210 is connected to the outside of the connecting frame 100 through the mounting frame 230. One end of the driving rod 220 is connected to the working end of the electric actuator 210, and the other end passes through the connecting frame 100 and is connected to the first connecting rod 311. The driving mechanism 200 is used to provide a moving driving force for the valve plate mechanism 300, wherein the electric actuator 210 is preferably a linear motor, which can move the driving rod 220 along the height direction of the positioning sealing valve. In other embodiments, the electric actuator 210 can also be set as a cylinder or other structures with a linear driving function, and the utility model does not make specific restrictions on this. In this embodiment, the mounting frame 230 is preferably a hollow cubic frame, which is used to support and connect the electric actuator.

[0029] See also Figure 1 As shown, the positioning sealing valve also includes a sealing mechanism 400, which is arranged at the contact point between the driving mechanism 200 and the connecting frame 100. The sealing mechanism 400 includes a sealing pressure block, and the sealing pressure block is filled with sealing filler. Furthermore, the sealing filler in this embodiment is preferably graphite, so that the sealing mechanism 400 can have the effects of lubrication, sealing, fire prevention and corrosion resistance.

[0030] See also Figures 2 to 4As shown, in the five-link mechanism in this embodiment, the first link 311 is connected to the driving mechanism 200, the second link 312 is connected between the first link 311 and the third link 313, and the third link 313 is connected to the fourth link 314, the fifth link 315 and the valve plate body 320. Among them, the first link 311 is a double-rod structure that moves synchronously, thereby improving its connection stability, one end of which is rotatably sleeved on the driving rod 220, and the other end is rotatably connected to the second link 312. The second link 312 is set as a rod body that can be rotatably embedded between the double-rod structure on the first link 311, and its two ends are thick and the middle is thin, thereby facilitating the connection while maximizing its rotation angle range. The third connecting rod 313 includes a housing 3131, one end of which is connected to the valve plate body 320, and the first shaft 3133, the second shaft 3134 and the third shaft 3135 are arranged in the housing 3131 at intervals along the length direction thereof, wherein the first shaft 3133 is close to the valve plate body 320, the fourth connecting rod 314 is rotatably connected to the first shaft 3133, the fifth connecting rod 315 is transmission-connected to the second shaft 3134, and the second connecting rod 312 is rotatably connected to the third shaft 3135. Further, the first shaft 3133, the second shaft 3134 and the third shaft 3135 are arranged in parallel and at intervals, and are all perpendicular to the extension direction of the first connecting rod 311 or the second connecting rod 312. The fourth connecting rod 314 includes a first stopper 3142 and at least one first connecting portion 3141, one end of the first connecting portion 3141 is rotatably connected to the third connecting rod 313 around the first rotation center line 1001, and the other end is connected to the first stopper 3142, and the first stopper 3142 extends in the same direction as the first rotation center line 1001. The fifth connecting rod 315 includes a second stopper 3152 and at least one second connecting portion 3151, one end of the second connecting portion 3151 is rotatably connected to the third connecting rod 313 around the second rotation center line 1002, and the other end is connected to the second stopper 3152, and the second stopper 3152 extends in the same direction as the second rotation center line 1002, and the second stopper 3152 is located on the side of the first stopper 3142 close to the first connecting rod 311. In this embodiment, the fourth connecting rod 314 is configured as a "U"-shaped element having a first stop portion 3142 and two first connecting portions 3141, wherein the free ends of the two first connecting portions 3141 are rotatably sleeved on the first shaft 3133, and at the same time drive the first stop portion 3142 to rotate around the first rotation center line 1001. Specifically, the first rotation center line 1001 in this embodiment coincides with the central axis of the first shaft 3133.Correspondingly, the fifth connecting rod 315 is configured as a "U"-shaped element having a second stop portion 3152 and two second connecting portions 3151, wherein the free ends of the two second connecting portions 3151 are rotatably sleeved on the second shaft body 3134, and at the same time drive the second stop portion 3152 to rotate around the second rotation center line 1002. Specifically, the second rotation center line 1002 in this embodiment coincides with the central axis of the second shaft body 3134. Therefore, in the present embodiment, the third connecting rod 313 is used to provide a connection position for each connecting rod, and at the same time, based on its structural setting, the above-mentioned connecting rods have different functions, specifically: the first connecting rod 311 is used to provide initial rotation angle adjustment and lateral adjustment of the valve plate body 320 close to / away from the flow port 121, the second connecting rod 312 is used to further perform angle adjustment and lateral adjustment of the valve plate body 320 on this basis, the third connecting rod 313 is used to connect and integrate each connecting rod structure and the valve plate body 320, the fourth connecting rod 314 can restrict each other with the fifth connecting rod 315, so as to realize the positioning restriction of the rotation angle of the valve plate body 320 and further rotation adjustment. Based on this, the valve plate body 320 in the present embodiment can, on the one hand, realize the two actions of avoiding each other by first lateral movement and then flipping, thereby realizing a larger angle adjustment, and on the other hand, it can also realize the precise positioning of the valve plate body 320 through angle restriction, which is more conducive to the subsequent quantification of parameters such as flow rate and flow velocity. Furthermore, the third connecting rod 313 also includes a reinforcing rib 3132 , and the reinforcing rib 3132 is connected to the housing 3131 , thereby further improving the connection strength of the third connecting rod 313 and the movement stability of the valve plate body 320 .

[0031] Embodiment 2

[0032] This embodiment provides a pipeline regulating system, which includes at least one positioning sealing valve described in Embodiment 1.

[0033] In summary, the positioning sealing valve and pipeline regulating system described in the utility model connects the driving mechanism 200 and the valve plate mechanism 300 to the pipeline to be installed through the connecting frame 100, and then provides power through the driving mechanism 200, and realizes the translation or rotation of the valve plate body 320 relative to the flow port 121 through the five-link mechanism in the linkage assembly 310, thereby realizing precise adjustment of the valve plate body 320 at multiple angles. Compared with the existing conventional pipeline valve body, the present application has the significant advantages of high adjustment accuracy, good positioning effect, low cost, small size and wide application range. It is a new positioning sealing valve and pipeline regulating system with broad application prospects.

[0034] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.

Claims

1. A positioning sealing valve, characterized in that: include: A connecting frame, wherein a flow opening is provided inside the connecting frame; Driving mechanism; A valve plate mechanism, wherein the valve plate mechanism includes a linkage assembly and a valve plate body, wherein one end of the linkage assembly is connected to the driving mechanism, and the other end is connected to the valve plate body, wherein the linkage assembly is a five-link structure, which includes a first link, a second link, a third link, a fourth link and a fifth link that are relatively rotatably connected, the valve plate body is connected to the flow port through the linkage assembly, and the valve plate body translates and / or rotates relative to the flow port to adjust the opening of the flow port.

2. The positioning sealing valve according to claim 1, characterized in that: The first connecting rod is connected to the driving mechanism, the second connecting rod is connected between the first connecting rod and the third connecting rod, and the third connecting rod is connected to the fourth connecting rod, the fifth connecting rod and the valve plate body.

3. The positioning sealing valve according to claim 1, characterized in that: The fourth connecting rod includes a first stop portion and at least one first connecting portion, one end of the first connecting portion is rotatably connected to the third connecting rod around a first rotation center line, and the other end is connected to the first stop portion, and the first stop portion extends in the same direction as the first rotation center line.

4. The positioning sealing valve according to claim 3, characterized in that: The fifth connecting rod includes a second stop portion and at least one second connecting portion, one end of the second connecting portion is rotatably connected to the third connecting rod around a second rotation center line, and the other end is connected to the second stop portion, the second stop portion extends in the same direction as the second rotation center line, and the second stop portion is located on a side of the first stop portion close to the first connecting rod.

5. The positioning sealing valve according to claim 1, characterized in that: The third connecting rod includes a shell, one end of which is connected to the valve plate body, and the inside of the shell is provided with a first shaft, a second shaft and a third shaft arranged at intervals along its length direction, wherein the first shaft is close to the valve plate body, the fourth connecting rod is rotatably connected to the first shaft, the fifth connecting rod is transmission-connected to the second shaft, and the second connecting rod is rotatably connected to the third shaft.

6. The positioning sealing valve according to claim 5, characterized in that: The third connecting rod further includes a reinforcing rib connected to the housing.

7. The positioning sealing valve according to claim 1, characterized in that: The connecting frame comprises a mounting portion and a barrier portion, the mounting portion is connected to the pipeline to be mounted, the barrier portion is arranged inside the mounting portion, and the flow port is arranged on the barrier portion.

8. The positioning sealing valve according to claim 1, characterized in that: The driving mechanism includes an electric actuator, a driving rod and a mounting frame. The electric actuator is connected to the outside of the connecting frame through the mounting frame. One end of the driving rod is connected to the working end of the electric actuator, and the other end passes through the connecting frame and is connected to the first connecting rod.

9. The positioning sealing valve according to claim 1, characterized in that: It also includes a sealing mechanism, which is arranged at the contact point between the driving mechanism and the connecting frame, and includes a sealing pressing block, the interior of which is filled with sealing filler.

10. A pipeline regulating system, characterized in that: The invention comprises at least one positioning sealing valve according to any one of claims 1 to 9.

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