Oil extraction wellhead valve with sand-proof protection structure
By designing a wind and sand protection structure on the wellhead valve, using spiral grooves to change the direction of wind and sand flow, buffer pads to reduce impact, and soft brushes to clean sand and dust, the problems of valve sealing and service life in windy and sandy environments are solved, and the overall performance of the valve is improved.
Patent Information
- Application Number
- CN202521015867.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-22
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-05-22
AI Technical Summary
Existing wellhead valves are susceptible to wind and sand erosion in deserts or areas with strong winds and sandstorms, resulting in reduced sealing performance and opening/closing flexibility, and shortened service life.
An oil wellhead valve with a wind and sand protection structure was designed, including a protection component, a cleaning component, and a snap-fit component. The protection component changes the direction of wind and sand flow through a spiral groove, and the buffer pad reduces the impact. The cleaning component cleans sand and dust with a soft brush, and the snap-fit component ensures that the components are securely installed.
It effectively reduces valve body wear, improves sealing performance and opening/closing flexibility, and extends service life.
Smart Images

Figure CN223952627U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wellhead valve technical field, concretely is a kind of oil production wellhead valve with wind-sand protection structure. BACKGROUND
[0002] The patent document with the present publication number CN117248861B discloses an oilfield oil production wellhead water injection valve, relating to the technical field of water injection valves, comprising a valve body, further comprising a tightness device, a blocking device and a protection device; wherein the top of the valve body is rotatably installed with a control rod, the two ends of the valve body are fixedly installed with flanges, and the surface of the valve body is fixedly installed with a support frame; wherein the tightness device comprises a curved frame and a tightness assembly, the curved frame is slidingly installed on the surface of the support frame, the tightness assembly comprises a clamping block, a heat conduction frame, a piston plate, a connecting rod, a fixed rod, a movable block and a trapezoidal block, the clamping block is slidingly sleeved on the left side of the curved frame, the heat conduction frame is fixedly installed on the surface of the valve body, the piston plate is slidingly installed in the heat conduction frame, and the heat conduction frame is fixed with the curved frame through the connecting rod; the present application has the characteristics of preventing the temperature change in the valve body from affecting the connection tightness.
[0003] However, the above-mentioned scheme and existing technology have some shortcomings in the design of the protection assembly specifically for the wind-sand environment, which may cause the valve body components to be easily worn, thereby affecting the sealing performance, opening and closing flexibility and service life of the valve, and therefore need to be improved and optimized.
[0004] Therefore, the utility model provides an oil production wellhead valve with wind-sand protection structure to solve the above-mentioned problems. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide an oil production wellhead valve with wind-sand protection structure to solve the problems raised in the background art.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an oil production wellhead valve with wind-sand protection structure, comprising a pipeline and a valve body, wherein the end of the pipeline is provided with the valve body.
[0007] Characterized in that it comprises a protection assembly, a cleaning assembly and a clamping assembly, the protection assembly is fixedly arranged on the valve body, the cleaning assembly is arranged at the end of the protection assembly, and the clamping assembly is arranged inside the protection assembly.
[0008] Preferably, the protection shell in the protection assembly is fixedly arranged on the valve body, and the outer part of the protection shell is uniformly provided with spiral grooves.
[0009] Preferably, the protective shell in the protection assembly is uniformly provided with a second spiral groove inside, and the protective shell is provided with a buffer pad at one side end.
[0010] Preferably, the fixing ring in the cleaning assembly is fixedly arranged outside the buffer pad, and the fixing ring is uniformly provided with soft hair brushes.
[0011] Preferably, the clamping ring in the clamping assembly is fixedly arranged at the inner end of the protective shell, and the clamping ring is adapted to be clamped on the ring body on the valve body.
[0012] Preferably, the clamping rod in the clamping assembly is uniformly arranged at the inner end of the protective shell, and the clamping rod is provided with a clamping protrusion at the end, and the clamping protrusion is adapted to be clamped on the supporting rod on the valve body.
[0013] Compared with the prior art, the utility model has the advantages that: through the setting of the protection assembly, the spiral groove outside the protective shell changes the flow direction of sand and dust, the second spiral groove inside further guides the sand and dust to flow out, and the buffer pad reduces the impact of sand and dust, thereby protecting the valve body in all directions and effectively reducing the wear of the valve body caused by sand and dust erosion; the fixing ring and the soft hair brushes in the cleaning assembly can clean the sand and dust attached to the protective shell and the valve body in time, thereby maintaining the good state of the valve; the clamping assembly is adapted to be clamped on the corresponding structure on the valve body through the clamping ring, the clamping rod and the clamping protrusion, thereby ensuring that the protection assembly is stably installed on the valve body and ensuring the collaborative operation of the components, thereby greatly improving the sealing performance, opening and closing flexibility and service life of the valve in the sand and dust environment and making up for the deficiency of the prior art in the aspect of sand and dust protection. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a whole structure schematic view of the utility model;
[0015] Figure 2 It is a protection assembly structure schematic view of the utility model;
[0016] Figure 3 It is a cleaning assembly structure schematic view of the utility model;
[0017] Figure 4 It is a protective shell structure cut schematic view of the utility model.
[0018] In the drawing: pipeline 1, valve body 2, protection assembly 3, cleaning assembly 4, clamping assembly 5, protective shell 301, spiral groove 302, second spiral groove 303, buffer pad 304, fixing ring 401, soft hair brush 402, clamping ring 501, ring body 502, clamping rod 503, clamping protrusion 504, supporting rod 505. DETAILED DESCRIPTION
[0019] In order to make the utility model purposes, technical solutions carry out clearly, complete description, and the advantages are clearer and more apparent, the following combining with the drawings will be further detailed to the utility model embodiment, it should be understood that the specific embodiments described here are part of the embodiments of the utility model, rather than all the embodiments, only to explain the utility model embodiments, and not for limiting the utility model embodiments, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection, the following will be clearly, completely described to the technical scheme in the utility model embodiment.
[0020] Embodiment one: please refer to Figures 1 to 2 , a kind of oil wellhead valve with wind-sand protection structure, including pipeline 1, valve body 2, pipeline 1 end part is provided with valve body 2;Including protection assembly 3, cleaning assembly 4, clamping assembly 5, protection assembly 3 is fixedly arranged on valve body 2, cleaning assembly 4 is arranged at the end of protection assembly 3, clamping assembly 5 is arranged in protection assembly 3.
[0021] Protection shell 301 in protection assembly 3 is fixedly arranged on valve body 2, protection shell 301 is uniformly provided with spiral groove 302 outside.
[0022] When using, pipeline 1 connects oil production pipeline, the protection shell 301 of protection assembly 3 is firmly installed on valve body 2, and the spiral groove 302 of its outside is uniformly distributed starts to play a role, when wind sand comes, wind sand airflow contacts the spiral groove 302 of protection shell 301, airflow direction is changed, is spirally raised or surrounds, reduces the direct impact of wind sand to valve body 2, sand dust particles are thrown away from valve body 2 under the action of centrifugal force, reduces the possibility of sand dust adhesion and erosion valve body 2, effectively protects valve body 2 from direct damage of wind sand, and guarantees that valve works normally in wind sand environment.
[0023] Embodiment two: on the basis of embodiment one, please refer to Figures 2 to 3 , the inside of protection shell 301 in protection assembly 3 is uniformly provided with second spiral groove 303, and the side end of protection shell 301 is provided with buffer pad 304.
[0024] The fixed ring 401 in cleaning assembly 4 is fixedly arranged at the outside end of buffer pad 304, and the soft hair brush 402 is uniformly arranged on the fixed ring 401.
[0025] When using, the buffer pad 304 of the side end of protection shell 301 plays a buffering role when wind sand impact, reduces the vibration influence to valve body 2, and the soft hair brush 402 on the fixed ring 401 plays a role in the installation process of protection assembly 3, wipes the surface of valve body 2 during the installation sleeve connection process of protection assembly 3, cleans the adhered sand dust, maintains the cleaning of valve, and further improves the wind-sand protection effect.
[0026] Embodiment three: on the basis of embodiment two, please refer to Figures 3 to 4 The clamping ring 501 in the clamping assembly 5 is fixedly arranged at the inner end of the protective shell 301, and the clamping ring 501 is adapted to be clamped and fixed with the ring body 502 on the valve body 2.
[0027] The clamping rod members 503 in the clamping assembly 5 are uniformly arranged at the inner end of the protective shell 301, and the clamping rod members 503 are provided with clamping bosses 504 at the ends, and the clamping bosses 504 are adapted to be clamped on the support rod members 505 on the valve body 2.
[0028] In use, the clamping assembly 5 ensures the stable connection of the protection assembly 3 and the valve body 2, the clamping ring 501 at the inner end of the protective shell 301 is accurately clamped with the ring body 502 on the valve body 2, the movement of the protective shell 301 in the radial direction is limited, the clamping rod members 503 are uniformly distributed at the inner end of the protective shell 301, and the clamping bosses 504 at the ends are tightly clamped with the support rod members 505 on the valve body 2, so that the axial movement of the protective shell 301 is prevented, and such a connection mode enables the protection assembly 3 to be stably installed on the valve body 2 under the impact of sand and wind, ensures the cooperative work of the protection assembly 3, the cleaning assembly 4 and other components, effectively improves the overall performance of the valve in the sand and wind environment, and prolongs the service life of the valve.
[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. An oil production wellhead valve with wind-sand protection structure, comprising a pipeline (1) and a valve body (2), wherein the end of the pipeline (1) is provided with the valve body (2); the protection assembly (3), the cleaning assembly (4) and the clamping assembly (5) are arranged, the protection assembly (3) is fixedly arranged on the valve body (2), the cleaning assembly (4) is arranged at the end of the protection assembly (3), and the clamping assembly (5) is arranged in the protection assembly (3). characterized in that The protection shell (301) in the protection assembly (3) is fixedly arranged on the valve body (2), and the outer part of the protection shell (301) is uniformly provided with a spiral groove (302).
2. The oil well gate valve with wind-blown sand protection structure according to claim 1, characterized in that: The inner part of the protection shell (301) in the protection assembly (3) is uniformly provided with a second spiral groove (303), and the side end of the protection shell (301) is provided with a buffer pad (304).
3. The oil well gate valve with wind-blown sand protection structure according to claim 2, characterized in that: The fixed ring (401) in the cleaning assembly (4) is fixedly arranged at the outer side end of the buffer pad (304), and the fixed ring (401) is uniformly provided with soft hair brushes (402).
4. The oil well gate valve with wind-blown sand protection structure according to claim 1, characterized in that: The clamping ring (501) in the clamping assembly (5) is fixedly arranged at the inner end of the protection shell (301), and the clamping ring (501) is matched and clamped with the ring body (502) on the valve body (2).
5. The oil well gate valve with wind-blown sand protection structure according to claim 1, characterized in that: The clamping rod members (503) in the clamping assembly (5) are uniformly arranged at the inner end of the protection shell (301), the end of the clamping rod members (503) is provided with clamping bosses (504), and the clamping bosses (504) are matched and clamped on the supporting rod members (505) on the valve body (2).
6. The oil well gate valve with wind-blown sand protection structure according to claim 5, characterized in that:
Citation Information
Patent Citations
A water injection valve at the oil wellhead of an oil field
CN117248861B