Anti-loosening device of valve type orifice plate throttling device
By employing an anti-loosening mechanism and a rubber connection design, the loosening problem caused by vibration and impact in valve-type orifice plate throttling devices is solved, achieving stable connection and corrosion resistance, and ensuring the accuracy and safety of flow measurement.
Patent Information
- Application Number
- CN202520365660.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-03-04
AI Technical Summary
In the prior art, valve-type orifice plate throttling devices may experience loosening of fixing bolts due to fluid vibration and impact during pipeline connection, affecting the accuracy of flow measurement and posing safety hazards.
It adopts an anti-loosening mechanism, including the design of connecting cylinder, fixing ring, screw and nut, combined with rubber material and reinforcement layer, to absorb vibration and impact force, ensure connection stability, and prevent detachment through limit block and movable shaft.
It effectively prevents connections from loosening and falling off, improves the accuracy of flow measurement, reduces safety hazards and economic losses, and enhances the stability and corrosion resistance of the connection.
Smart Images
Figure CN223690643U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to valve orifice throttling technical field, concretely is a kind of valve orifice throttling device anti-loosening device. BACKGROUND
[0002] Valve orifice throttling device is a kind of equipment for measuring the flow of fluid in pipeline, based on the flow of fluid through the throttling device in pipeline, flow beam occurs local contraction at throttling piece, resulting in flow velocity increase, static pressure drop, thereby generating pressure difference (differential pressure) before and after throttling piece. The greater the flow velocity of fluid, the greater the differential pressure generated, and this differential pressure value has a clear functional relationship with the flow of fluid. By measuring the differential pressure value, the accurate measurement of fluid flow can be realized using this functional relationship.
[0003] The existing valve orifice throttling device has obvious defects when connected with pipeline. Since the fluid inside the pipeline often has high flow velocity, pressure and temperature, strong vibration and impact force will be generated during long-term operation. These forces continuously act on the connection part, causing the fixing bolt to loosen, which in turn causes the connection between the throttling device and the pipeline to loosen and fall off. This not only affects the accuracy of flow measurement, but also can cause medium leakage in severe cases, bringing huge safety hazards and economic losses. UTILITY MODEL CONTENT
[0004] To solve the problems raised in the above background art, the utility model aims to provide a valve orifice throttling device anti-loosening device, which has the advantage of preventing loosening. The existing valve orifice throttling device has obvious defects when connected with pipeline. Since the fluid inside the pipeline often has high flow velocity, pressure and temperature, strong vibration and impact force will be generated during long-term operation. These forces continuously act on the connection part, causing the fixing bolt to loosen, which in turn causes the connection between the throttling device and the pipeline to loosen and fall off. This not only affects the accuracy of flow measurement, but also can cause medium leakage in severe cases, bringing huge safety hazards and economic losses.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a device body, a connecting head and a pipeline are included. The connecting head is fixedly connected to both sides of the device body. The pipeline is arranged on both sides of the connecting head. Anti-loosening mechanisms are arranged on both sides of the connecting head.
[0006] As preferred in the utility model, the anti-loosening mechanism includes a connecting cylinder arranged on both sides of the connecting head. Fixed rings are fixedly connected to both sides of the surface of the connecting cylinder. Screws one are arranged on one side of the fixed rings. Nuts one are arranged on one side of the connecting head and the pipeline. The screws one are threadedly connected with the nuts one.
[0007] As the utility model is preferred, the inner wall of the connecting barrel is fixedly connected with a reinforcing layer, and the inner wall of the reinforcing layer is fixedly connected with an anticorrosive layer.
[0008] As the utility model is preferred, the surface of the connecting barrel is fixedly connected with a protective layer.
[0009] As the utility model is preferred, the top of the connecting head and the pipeline is sleeved with a limiting block one, and the limiting block one is provided with a limiting block two.
[0010] As the utility model is preferred, the two sides of the top of the limiting block one are provided with screws two, the two sides of the bottom of the limiting block two are provided with nuts two, and the screws two are threadedly connected with the nuts two.
[0011] As the utility model is preferred, the surface of the limiting block one and the limiting block two is fixedly connected with a movable shaft.
[0012] As the utility model is preferred, the inner wall of the movable shaft is movably connected with a limiting rod.
[0013] Compared with the prior art, the utility model has the beneficial effects as follows:
[0014] 1、The utility model discloses a connecting head and a pipeline are connected through the setting of the anti-loosening mechanism, the impact force generated by the absorption force is avoided, the loosening and falling of the connecting part under the impact of the force is avoided, the obvious defects of the existing valve type orifice plate throttling device when being connected with the pipeline are solved, the fluid in the pipeline often has high flow rate, pressure and temperature, strong vibration and impact force are generated in the long-term operation process, these forces continuously act on the connecting part, the fixed bolt is prone to loosening, and then the connection of the throttling device and the pipeline is loosened and falls, which not only affects the accuracy of flow measurement, but also causes medium leakage, brings huge safety hidden danger and economic loss, and has the advantages of anti-loosening.
[0015] 2、The utility model discloses a connecting head and a pipeline are connected through the setting of the anti-loosening mechanism, the impact force generated by the absorption force is avoided, the loosening and falling of the connecting part under the impact of the force is avoided, the obvious defects of the existing valve type orifice plate throttling device when being connected with the pipeline are solved, the rubber material can absorb vibration and impact force, the connection is more stable, the influence of the screw one and the screw two is reduced, the fixed ring can clamp the connecting barrel, the screw one and the nut one can connect the connecting barrel with the connecting head and the pipeline together, the fixed ring can uniformly distribute the extrusion force of the screw, and the connection is more compact.
[0016] 3、The utility model discloses a reinforcing layer and an anticorrosive layer are set, the reinforcing layer can reinforce the inner wall of the connecting pipe, and the anticorrosive layer can improve the corrosion resistance of the connecting barrel. DRAWINGS
[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0018] Figure 2 It is a front view structure schematic diagram of the utility model;
[0019] Figure 3 It is a front view structure schematic diagram of the utility model;
[0020] Figure 4 It is a front view structure schematic diagram of the utility model Figure 3 Enlarged structure schematic diagram.
[0021] In the figure: 1, device body; 2, connecting head; 3, pipeline; 4, anti-loosening mechanism; 41, connecting barrel; 42, fixed ring; 43, screw one; 44, nut one; 5, reinforcing layer; 6, anticorrosive layer; 7, protective layer; 8, limit block one; 9, limit block two; 10, screw two; 11, nut two; 12, movable shaft; 13, limiting rod. Specific implementation
[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0023] As Figures 1 to 4 shown, the utility model provides including device body 1, connecting head 2 and pipeline 3, connecting head 2 is fixedly connected at both sides of device body 1, pipeline 3 is arranged at both sides of connecting head 2, and both sides of connecting head 2 are provided with anti-loosening mechanism 4.
[0024] Reference Figure 4 , anti-loosening mechanism 4 includes connecting barrel 41, connecting barrel 41 is arranged at both sides of connecting head 2, and both sides of the surface of connecting barrel 41 are fixedly connected with fixed ring 42, one side of fixed ring 42 is provided with screw one 43, one side of connecting head 2 and pipeline 3 is provided with nut one 44, and screw one 43 is in threaded connection with nut one 44.
[0025] As a technical optimization scheme of the utility model, by setting anti-loosening mechanism 4, connecting barrel 41 is of rubber material, the rubber material can absorb vibration and impact force, makes the connection more stable, reduces the influence of screw one 43 and screw two 10, fixed ring 42 can clamp connecting barrel 41, screw one 43 and nut one 44 can connect connecting barrel 41 with connecting head 2 and pipeline 3 together, and fixed ring 42 can evenly distribute the extrusion force of screw, so that the connection is more compact.
[0026] Reference Figure 4The inner wall of the connecting cylinder 41 is fixedly connected with a reinforcing layer 5, and the inner wall of the reinforcing layer 5 is fixedly connected with a corrosion-proof layer 6.
[0027] As a technical optimization scheme of the utility model, the reinforcing layer 5 can reinforce the inner wall of the connecting pipe, and the corrosion-proof layer 6 can improve the corrosion resistance of the connecting cylinder 41.
[0028] Reference Figure 4 The surface of the connecting cylinder 41 is fixedly connected with a protective layer 7.
[0029] As a technical optimization scheme of the utility model, the protective layer 7 can protect the connecting cylinder 41 externally, avoiding the impact of external objects on the connecting cylinder 41.
[0030] Reference Figure 4 The top of the connecting head 2 and the pipeline 3 are both sleeved with a limiting block one 8, and the limiting block one 8 is provided with a limiting block two 9.
[0031] As a technical optimization scheme of the utility model, the top and the bottom of the connecting cylinder 41 are wrapped by the limiting block one 8 and the limiting block two 9, and the connecting head 2 and the pipeline 3 are also wrapped, so that the connecting part is reinforced to avoid the generation of gaps.
[0032] Reference Figure 2 Both sides of the top of the limiting block one 8 are provided with a screw two 10, both sides of the bottom of the limiting block two 9 are provided with a nut two 11, and the screw two 10 is threadedly connected with the nut two 11.
[0033] As a technical optimization scheme of the utility model, the screw two 10 and the nut two 11 can fix the limiting block one 8 and the limiting block two 9.
[0034] Reference Figure 4 The surface of the limiting block one 8 and the limiting block two 9 is fixedly connected with a movable shaft 12.
[0035] As a technical optimization scheme of the utility model, the movable shaft 12 can limit the two ends of the limiting rod 13.
[0036] Reference Figure 4 The inner wall of the movable shaft 12 is movably connected with the limiting rod 13.
[0037] As a technical optimization scheme of the utility model, the limiting rod 13 can limit the limiting block one 8 and the limiting block two 9 to avoid the pipeline 3 from being separated.
[0038] The working principle and use process of the utility model: in use connecting cylinder 41 is rubber material, rubber material can absorb vibration and impact force, make connection more stable, reduce the influence of screw one 43 and screw two 10, fixed ring 42 can clamp connecting cylinder 41, screw one 43 and nut one 44 can connect connecting cylinder 41 with connecting head 2 and pipeline 3 together, fixed ring 42 can evenly distribute the extrusion force of screw, make the connection more closely, reinforcing layer 5 can reinforce the inner wall of the connecting pipe, anticorrosive layer 6 can improve the corrosion resistance of connecting cylinder 41, protective layer 7 can protect the outside of connecting cylinder 41, avoid the impact of connecting cylinder 41 by external objects, through the limiting block one 8 and the limiting block two 9, the top and bottom of connecting cylinder 41 are wrapped, and connecting head 2 and pipeline 3 are wrapped, the connecting part is reinforced, and gap is avoided, screw two 10 and nut two 11 can fix limiting block one 8 and limiting block two 9, movable shaft 12 can limit the two ends of limiting rod 13, limiting rod 13 can limit limiting block one 8 and limiting block two 9 to avoid pipeline 3 from separating.
[0039] In summary: the anti-loosening device of the valve orifice plate throttling device, the connecting head 2 and the pipeline 3 are connected by setting the anti-loosening mechanism 4, the impact force generated by the acting force is absorbed, the loosening and falling off of the connecting part under the impact of the acting force is avoided, the obvious defects of the existing valve orifice plate throttling device when connecting with the pipeline are solved, because the fluid inside the pipeline often has high flow rate, pressure and temperature, strong vibration and impact force will be generated during long-term operation, these acting forces continuously act on the connecting part, so that the fixing bolt is easy to loosen, and then the connection of the throttling device and the pipeline is loosened and falls off, which not only affects the accuracy of flow measurement, but also causes medium leakage, brings huge safety hidden danger and economic loss.
[0040] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0041] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. Anti-loosening device for a valve orifice plate throttling device, comprising a device body (1), a connection head (2) and a pipe (3), characterized in that: The connecting head (2) is fixedly connected on both sides of the device body (1), the pipeline (3) is arranged on both sides of the connecting head (2), and the connecting head (2) is provided with an anti-loosening mechanism (4) on both sides.
2. A valve orifice anti-loosening device according to claim 1, characterized in that: The anti-loosening mechanism (4) comprises a connecting barrel (41) arranged on both sides of the connecting head (2), and the surface of the connecting barrel (41) is fixedly connected with a fixed ring (42) on both sides; one side of the fixed ring (42) is provided with a screw (43), one side of the connecting head (2) and the pipeline (3) are provided with a nut (44), and the screw (43) is screwed with the nut (44).
3. A valve orifice anti-loosening device according to claim 2, characterized in that: The inner wall of the connecting barrel (41) is fixedly connected with a reinforcing layer (5), and the inner wall of the reinforcing layer (5) is fixedly connected with a corrosion-resistant layer (6).
4. A valve orifice anti-loosening device according to claim 2, characterized in that: The surface of the connecting barrel (41) is fixedly connected with a protective layer (7).
5. A valve orifice anti-loosening device according to claim 1, characterized in that: The top of the connecting head (2) and the pipeline (3) is sleeved with a limiting block one (8), and the limiting block one (8) is provided with a limiting block two (9).
6. A valve orifice anti-loosening device according to claim 5, characterized in that: The two sides of the top of the limiting block one (8) are provided with a screw (10), the two sides of the bottom of the limiting block two (9) are provided with a nut (11), and the screw (10) is screwed with the nut (11).
7. A valve orifice anti-loosening device according to claim 5, characterized in that: The surface of the limiting block one (8) and the limiting block two (9) is fixedly connected with a movable shaft (12).
8. A valve orifice anti-loosening device according to claim 7, characterized in that: The inner wall of the movable shaft (12) is movably connected with a limiting rod (13).