Intelligent air powder regulating valve with good sealing performance
By using a knob and spring telescopic rod design, combined with flow meter monitoring, the problem of reduced sealing performance of traditional regulating valves has been solved, achieving better sealing and leak detection.
Patent Information
- Application Number
- CN202520563193.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-27
AI Technical Summary
The sealing performance of traditional control valves is prone to decrease after prolonged use due to loose bolts.
The design employs a knob, spring telescopic rod, and flow meter. The knob adjusts the angle of the sealing seat, and the spring telescopic rod pushes to maintain the seal. Combined with the flow meter to monitor the air flow, leaks can be detected in a timely manner.
It improves the sealing performance of the control valve, avoids the reduction in sealing performance caused by loose bolts, and can detect air leaks in a timely manner.
Smart Images

Figure CN223895041U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of governing valve, concretely to an intelligent wind powder governing valve with good sealing performance. BACKGROUND
[0002] In the boiler combustion, need to cooperate with coal mill to grind coal block to coal powder, in cooperation with the device that conveys to convey the wind powder to the combustion department of boiler, for control wind powder's output, therefore need to install the governing valve on the conveying pipeline to control it.
[0003] However, the traditional governing valve seal is mostly bolt driven sealing seat pressure on the opening of the connecting pipe to seal, after long time use, the bolt will inevitably appear loose, leading to the sealing performance reduces. UTILITY MODEL CONTENTS
[0004] The utility model discloses a kind of intelligent wind powder governing valves with good sealing performance, to solve the problem raised in above background technology.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of intelligent wind powder governing valve with good sealing performance, including valve pipe, still including,
[0006] Threaded pipe, the inner wall of the threaded pipe is penetrated with screw rod, the bottom of the screw rod is fixedly connected with sealing plate, the bottom of the sealing plate is fixedly connected with spring telescopic rod one, the bottom of the spring telescopic rod one is rotatably connected with connecting seat by bearing, the bottom of the connecting seat is fixedly connected with sealing seat, the bottom of the sealing seat is fixedly connected with sealing pad;
[0007] Connecting pipe, the two sides of the connecting pipe are fixedly connected with baffle one and baffle two respectively, the upper end of the baffle one and the lower end of the baffle two are all fixedly connected with the inner wall of valve pipe, the bottom of the sealing pad is connected with the top opening of connecting pipe.
[0008] Preferably, the top of the screw rod is fixedly connected with knob, the side of the knob is provided with semicircular groove.
[0009] Preferably, the middle part of the screw rod and sealing plate is penetrated with through hole, the two sides of the screw rod are penetrated with exhaust hole, the exhaust hole is penetrated with the inside of through hole, the inside of spring telescopic rod one is penetrated with through hole.
[0010] Preferably, one side of the threaded pipe is fixedly connected with fixed plate, the top of the fixed plate is fixedly connected with spring telescopic rod two, the top of the spring telescopic rod two is slidably connected with the inside wall of semicircular groove of knob.
[0011] Preferably, the top of the valve pipe is provided with threaded holes on both sides and a circular hole at the bottom of the threaded hole, the threaded hole on one side of the top of the valve pipe and the inner wall of the threaded hole at the bottom are threadedly connected with a bolt two, the bottom end of the bolt two is fixedly connected with a sealing plug two, and the sealing plug two is rotatably inserted into the inner wall of the circular hole of the valve pipe.
[0012] Preferably, the threaded hole on the other side of the top of the valve pipe is threadedly connected with a bolt one, the bottom end of the bolt one is fixedly connected with a sealing plug one, the bottom end of the sealing plug one is fixedly installed with a flowmeter, and the sealing plug one is rotatably inserted into the inner wall of the circular hole of the valve pipe.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] The utility model discloses a valve pipe is provided with the threaded hole on both sides of the top, and the threaded hole at the bottom of the threaded hole is provided with the circular hole, the threaded hole on one side of the top of the valve pipe and the inner wall of the threaded hole at the bottom are threadedly connected with the bolt two, the bottom end of the bolt two is fixedly connected with the sealing plug two, the sealing plug two is rotatable and inserts the inner wall of the circular hole of the valve pipe.
[0015] The utility model discloses a valve pipe is provided with the threaded hole on both sides of the top, and the threaded hole at the bottom of the threaded hole is provided with the circular hole, the threaded hole on one side of the top of the valve pipe and the inner wall of the threaded hole at the bottom are threadedly connected with the bolt two, the bottom end of the bolt two is fixedly connected with the sealing plug two, the sealing plug two is rotatable and inserts the inner wall of the circular hole of the valve pipe. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is whole structure schematic diagram of the utility model;
[0017] Figure 2 It is structure cutaway schematic diagram of the utility model;
[0018] Figure 3 It is structure dismounting schematic diagram of the utility model screw rod;
[0019] Figure 4 It is structure schematic diagram of the utility model flowmeter.
[0020] In the drawing: 1, valve pipe;2, threaded pipe;3, screw rod;4, sealing plate;5, spring telescopic link one;6, connecting seat;7, sealing seat;8, sealing pad;9, connecting pipe;10, baffle one;11, baffle two;12, through -hole;13, exhaust hole;14, knob;15, fixed plate;16, spring telescopic link two;17, bolt one;18, sealing plug one;19, flowmeter;20, bolt two;21, sealing plug two. DETAILED DESCRIPTION
[0021] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0022] Please refer to Figures 1-4 The present application provides a technical scheme: an intelligent wind powder regulating valve with good sealing performance, comprising a valve pipe 1, further comprising,
[0023] The inner wall of the threaded pipe 2 is connected with the screw rod 3 through threads, the bottom of the screw rod 3 is fixedly connected with the sealing plate 4, the bottom of the sealing plate 4 is fixedly connected with the spring telescopic rod 1 5, the bottom of the spring telescopic rod 1 5 is rotatably connected with the connecting seat 6 through a bearing, the bottom of the connecting seat 6 is fixedly connected with the sealing seat 7, the bottom of the sealing seat 7 is fixedly connected with the sealing gasket 8, and the sealing performance of the connection is strengthened.
[0024] The two sides of the connecting pipe 9 are fixedly connected with the baffle 1 0 and the baffle 2 1 respectively, the upper end of the baffle 1 0 and the lower end of the baffle 2 1 are both fixedly connected with the inner wall of the valve pipe 1, and the bottom of the sealing gasket 8 is attached to the top opening of the connecting pipe 9, so as to seal and block the inside of the valve pipe 1.
[0025] The top of the screw rod 3 is fixedly connected with the knob 14, the side surface of the knob 14 is provided with a semicircular groove, and the knob 14 is convenient to hold by hand.
[0026] The middle part of the screw rod 3 and the sealing plate 4 is provided with a through hole 12, the two sides of the screw rod 3 are provided with exhaust holes 13, the exhaust holes 13 are communicated with the inside of the through hole 12, the inside of the spring telescopic rod 1 5 is communicated with the through hole 12, and the spring telescopic rod 1 5 is used for air inlet and air exhaust in the inside of the spring telescopic rod 1 5, so as to facilitate compression and recovery of the spring telescopic rod 1 5.
[0027] One side of the threaded pipe 2 is fixedly connected with the fixed plate 1 5, the top of the fixed plate 1 5 is fixedly connected with the spring telescopic rod 2 1 6, the top of the spring telescopic rod 2 1 6 is slidably clamped in the inner wall of the semicircular groove of the knob 14, the knob 14 is limited, and the screw rod 3 is prevented from rotating.
[0028] The top and bottom of the valve pipe 1 are both provided with threaded holes and circular holes at the depth of the threaded holes, the threaded hole on one side of the top of the valve pipe 1 and the inner wall of the threaded hole at the bottom are threadedly connected with the bolt 2 0, the bottom end of the bolt 2 0 is fixedly connected with the sealing bolt 2 1, the sealing bolt 2 1 is rotatably inserted into the inner wall of the circular hole of the valve pipe 1, the sealing performance is strengthened, air leakage at the threaded part is avoided, the bolt 2 0 is removed, and the inside of the valve pipe 1 is conveniently cleaned of residual wind powder.
[0029] The inner wall of the threaded hole on the other side of the top of the valve pipe 1 is screwed with a bolt 17, the bottom end of the bolt 17 is fixedly connected with a sealing plug 18, the bottom end of the sealing plug 18 is fixedly installed with a flowmeter 19, the sealing plug 18 is rotatably inserted into the inner wall of the circular hole of the valve pipe 1 to play the role of air tightness, the flowmeter 19 monitors the air flow rate of the rear area in the valve pipe 1, and timely discovers air leakage and sends a signal to the corresponding equipment.
[0030] Working principle: connect the two sides of the valve pipe 1 to the conveying pipeline, the wind powder enters the inside of the valve pipe 1 and is discharged to the other side of the baffle one 10 and the baffle two 11 through the opening of the connecting pipe 9, when it is necessary to block the conveying, press down the spring telescopic rod two 16 to separate from the knob 14, hold the knob 14 to rotate the screw rod 3, make the sealing seat 7 gradually move down, make the sealing gasket 8 press to the opening of the connecting pipe 9, continue to rotate the screw rod 3 to press down the spring telescopic rod one 5, press the spring in the spring telescopic rod one 5 to the compression limit, then release the spring telescopic rod two 16 inserted into the semicircular groove of the knob 14, so as to limit the screw rod 3 from rotating, when the spring telescopic rod one 5 is compressed, the air in the spring telescopic rod one 5 is discharged through the through hole 12 and the exhaust hole 13, the angle of the knob 14 is adjusted during the compression of the spring telescopic rod one 5, the spring telescopic rod two 16 is inserted into the appropriate semicircular groove on the side of the knob 14, the spring telescopic rod one 5 keeps enough thrust on the sealing seat 7, so that the sealing gasket 8 is tightly attached to the opening of the connecting pipe 9 for sealing and avoids the rotation of the screw rod 3, the sealing is better, solves the problem that the traditional regulating valve sealing is mostly driven by bolts to press the sealing seat on the opening of the connecting pipe for sealing, after a long time of use, the bolts are prone to loosen, resulting in reduced sealing performance.
[0031] The bolt two 20 and the bolt one 17 can be removed from the valve pipe 1, the residual wind powder on the side edges of the baffle one 10 and the baffle two 11 can be cleaned, the residual wind powder on the contact surface of the connecting pipe 9 and the sealing gasket 8 can also be cleaned, air leakage is avoided, the flowmeter 19 monitors the air flow in the valve pipe 1, and air leakage can be discovered in time.
[0032] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or action from another, and do not necessarily require or imply any such actual relationship or order between these entities or actions. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A smart air-powder regulating valve with good sealing performance, comprising a valve pipe (1), characterized in that: It also includes, A threaded pipe (2) has a threaded rod (3) threaded through its inner wall. A sealing plate (4) is fixedly connected to the bottom of the screw (3). A spring telescopic rod (5) is fixedly connected to the bottom of the sealing plate (4). A connecting seat (6) is rotatably connected to the bottom of the spring telescopic rod (5) via a bearing. A sealing seat (7) is fixedly connected to the bottom of the connecting seat (6). A sealing gasket (8) is fixedly connected to the bottom of the sealing seat (7). A connecting pipe (9) is provided, with baffle one (10) and baffle two (11) fixedly connected to both sides of the connecting pipe (9). The upper end of baffle one (10) and the lower end of baffle two (11) are fixedly connected to the inner wall of valve pipe (1). The bottom of the sealing gasket (8) is attached to the top opening of the connecting pipe (9).
2. The intelligent air-powder regulating valve with good sealing performance according to claim 1, characterized in that: A knob (14) is fixedly connected to the top of the screw (3), and a semi-circular groove is provided on the side of the knob (14).
3. The intelligent air-powder regulating valve with good sealing performance according to claim 1, characterized in that: A through hole (12) is provided in the middle of the screw (3) and the sealing plate (4), and an exhaust hole (13) is provided on both sides of the screw (3). The exhaust hole (13) is connected to the inside of the through hole (12), and the inside of the spring telescopic rod (5) is connected to the through hole (12).
4. The intelligent air-powder regulating valve with good sealing performance according to claim 1, characterized in that: A fixing plate (15) is fixedly connected to one side of the threaded pipe (2), and a spring telescopic rod (16) is fixedly connected to the top of the fixing plate (15). The top of the spring telescopic rod (16) slides and engages with the inner wall of the semi-circular groove of the knob (14).
5. The intelligent air-powder regulating valve with good sealing performance according to claim 1, characterized in that: The valve tube (1) has threaded holes on both sides of the top and bottom, and a circular hole is formed deep within the threaded holes. Bolt 2 (20) is threadedly connected to the inner wall of the threaded hole on one side of the top and the threaded hole at the bottom of the valve tube (1). A sealing plug 2 (21) is fixedly connected to the bottom end of the bolt 2 (20). The sealing plug 2 (21) is rotatably inserted into the inner wall of the circular hole of the valve tube (1).
6. The intelligent air-powder regulating valve with good sealing performance according to claim 1, characterized in that: A bolt (17) is threadedly connected to the inner wall of the threaded hole on the other side of the top of the valve pipe (1). A sealing plug (18) is fixedly connected to the bottom end of the bolt (17). A flow meter (19) is fixedly installed at the bottom end of the sealing plug (18). The sealing plug (18) is rotatably inserted into the inner wall of the circular hole of the valve pipe (1).