High-pressure nozzle spraying device with wear-resistant valve element convenient to replace
By designing a high-pressure nozzle injection device with a convenient and wear-resistant valve core replacement, the problem of frequent nozzle wear in subsea trenching machines has been solved, enabling rapid replacement of the nozzle valve core and reducing costs. This device is suitable for subsea trenching construction.
Patent Information
- Application Number
- CN202422395960.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-09-30
AI Technical Summary
Due to the complex underwater working conditions, the inner wall of the submarine trencher nozzle is easily worn, resulting in frequent replacement, which increases project costs.
Design a high-pressure nozzle injection device with easy replacement of wear-resistant valve core, including components such as nozzle valve core, nozzle bend, valve core mounting seat and gland, etc. The structure is integrated through threaded connection and welding, which facilitates the replacement of nozzle valve core and adapts to different water pressures.
It enables rapid replacement of nozzle valve cores, reduces replacement costs, and improves the pressure resistance and reliability of the device, making it suitable for long-term subsea trenching operations.
Smart Images
Figure CN223454402U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of offshore oil engineering, especially relates to a high-pressure nozzle jetting device with wear-resistant valve core convenient to replace. BACKGROUND
[0002] At present, the nozzles on the jetting arms of the subsea trenchers are basically integrally processed nozzles, different nozzle diameters are designed according to different water pressures and flow rates, so that the subsea trenchers can carry out subsea trenching work.
[0003] However, due to the complex underwater working conditions, the jetting water contains silt and gravel, the inner wall of the nozzle is extremely easy to wear, the nozzle needs to be replaced many times in one engineering cycle, the replacement of the nozzle is high in cost, unnecessary waste is caused, and the cost of subsea trenching is increased.
[0004] Therefore, it is urgent to design a high-pressure nozzle jetting device with wear-resistant valve core convenient to replace to solve the problem of multiple replacement of the nozzle mentioned above. UTILITY MODEL CONTENTS
[0005] In order to solve the technical problems that the jetting water contains silt and gravel, the inner wall of the nozzle is extremely easy to wear, the nozzle needs to be replaced many times, the replacement of the nozzle is high in cost, unnecessary waste is caused, and the cost of subsea trenching is increased in the background art, a high-pressure nozzle jetting device with wear-resistant valve core convenient to replace is provided to solve the problem of multiple replacement of the nozzle.
[0006] In order to achieve the above-mentioned purpose, the specific technical scheme of the high-pressure nozzle jetting device with wear-resistant valve core convenient to replace of the utility model is as follows:
[0007] A high-pressure nozzle jetting device with wear-resistant valve core convenient to replace, comprising a nozzle valve core and a nozzle elbow pipe, the nozzle elbow pipe is provided with the nozzle valve core at one end, the nozzle valve core is connected to a nozzle valve core mounting seat, a nozzle valve core gland is arranged on the nozzle valve core, the nozzle valve core gland is connected to the nozzle valve core mounting seat, the nozzle valve core mounting seat is screwed to a nozzle assembly fixed threaded seat, and the nozzle assembly fixed threaded seat is fixedly arranged at the end of the nozzle elbow pipe.
[0008] Further, the nozzle valve core is arranged in the nozzle valve core mounting seat.
[0009] Further, a nozzle valve core gland is arranged on the end of the nozzle valve core away from the nozzle valve core mounting seat, and the nozzle valve core gland is screwed to the nozzle valve core mounting seat.
[0010] Further, an internal thread interface is arranged at one end of the nozzle valve core mounting seat, and the nozzle valve core gland is screwed to the internal thread interface of the nozzle valve core mounting seat.
[0011] Further, the nozzle valve core mounting seat is provided with a valve core positioning stopper, and the nozzle valve core is inserted into the valve core positioning stopper.
[0012] Further, the nozzle valve core mounting seat is provided with an external thread interface away from the nozzle valve core gland, and is connected with the nozzle assembly fixed threaded seat through the external thread interface.
[0013] Further, the nozzle assembly fixed threaded seat is screwed on the nozzle elbow away from the nozzle valve core mounting seat.
[0014] Further, the outer wall of the nozzle valve core is provided as an outer cylindrical surface, so that the nozzle valve core is inserted on the nozzle elbow.
[0015] Further, the nozzle valve core is internally provided with an inner tapered hole, one end of the inner tapered hole of the nozzle valve core abuts against the boss of the nozzle elbow, and the nozzle valve core is provided with a straight hole water spraying structure away from the inner tapered hole.
[0016] Further, the nozzle valve core gland is provided with a wrench socket, and the nozzle valve core gland is separated from the nozzle valve core mounting seat through the wrench socket.
[0017] The high-pressure nozzle jetting device with the convenient replacement of the wear-resistant valve core has the following advantages:
[0018] The entire device is composed of the nozzle elbow, the nozzle assembly fixed threaded seat, the nozzle valve core mounting seat, the nozzle valve core gland and the nozzle valve core, is welded on the high-pressure water main water inlet pipeline, has the advantages of structural integration, reliable work, convenient replacement and high pressure resistance, and can be particularly used in seabed ditching project construction which needs long-time jetting. The application can realize the quick replacement of the nozzle valve core, and can realize the adaptation of different nozzle valve cores according to different water pressure values for the high-pressure nozzle device. After wear, only the nozzle valve core needs to be replaced, without the need to replace other accessories, so that the use cost is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a structural schematic view of the high-pressure nozzle jetting device with the convenient replacement of the wear-resistant valve core.
[0020] Figure 2 It is a sectional view of the high-pressure nozzle jetting device with the convenient replacement of the wear-resistant valve core.
[0021] Figure 3 It is a structural schematic view of the nozzle valve core gland of the high-pressure nozzle jetting device with the convenient replacement of the wear-resistant valve core.
[0022] Figure 4 It is a structural schematic view of the nozzle valve core mounting seat of the high-pressure nozzle jetting device with the convenient replacement of the wear-resistant valve core.
[0023] Figure 5 It is a structural schematic view of the nozzle valve core of the high-pressure nozzle jetting device with the convenient replacement of the wear-resistant valve core.
[0024] Marked description in the figure:
[0025] 1, nozzle valve core; 11, inner tapered hole; 12, straight hole water jet structure; 2, nozzle valve core mounting seat; 21, inner threaded interface; 22, outer threaded interface; 3, nozzle assembly fixed threaded seat; 4, nozzle elbow; 5, nozzle valve core gland. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.
[0027] The person skilled in the art can understand that although some embodiments herein include certain features included in other embodiments rather than other features, the combination of features of different embodiments means to be within the scope of the utility model and form different embodiments. For example, in the claims, any one of the claimed embodiments can be used in any combination.
[0028] The following refers to the accompanying Figure 1 to the accompanying Figure 5 The utility model discloses a high-pressure nozzle jet device of convenient replacement wear-resistant valve core.
[0029] As Figure 1 and Figure 2 The utility model discloses a high-pressure nozzle jet device of convenient replacement wear-resistant valve core, including nozzle valve core 1 and nozzle elbow 4, one end of nozzle elbow 4 is equipped with nozzle valve core 1, nozzle valve core 1 is connected on nozzle valve core mounting seat 2, be provided with nozzle valve core gland 5 on nozzle valve core 1, nozzle valve core gland 5 is connected with nozzle valve core mounting seat 2, nozzle valve core mounting seat 2 is screwed with nozzle assembly fixed threaded seat 3, and nozzle assembly fixed threaded seat 3 is fixedly arranged at the end of nozzle elbow 4.
[0030] Through nozzle elbow 4, nozzle assembly fixed threaded seat 3, nozzle valve core mounting seat 2, nozzle valve core gland 5 and nozzle valve core 1, the whole device is welded on high-pressure water main water pipeline, has the advantages, such as structure integration, reliable work, convenient replacement, pressure resistance, and can be used especially in the seabed ditching project construction needing long time spray.
[0031] Further, as shown in Figure 1 and Figure 4 , the nozzle valve core 1 is arranged in the nozzle valve core mounting seat 2; the nozzle valve core 1 is sleeved with the nozzle valve core gland 5 away from the nozzle valve core mounting seat 2, and the nozzle valve core gland 5 is screwed with the nozzle valve core mounting seat 2; the nozzle valve core mounting seat 2 is provided with an internal thread interface 21 at one end, and the nozzle valve core gland 5 is screwed with the internal thread interface 21 of the nozzle valve core mounting seat 2.
[0032] In this embodiment, the nozzle valve core 1 is inserted into the nozzle valve core mounting seat 2, preferably, the nozzle valve core 1 is sleeved with the nozzle valve core gland 5 at one end of the water outlet, and the nozzle valve core gland 5 is connected with the nozzle valve core mounting seat 2 by screwing, thereby limiting the nozzle valve core 1.
[0033] The nozzle valve core mounting seat 2 is screwed with the nozzle valve core gland 5 at one end and is provided with an internal thread interface 21, and the connection between the nozzle valve core gland 5 and the nozzle valve core mounting seat 2 is realized through the internal thread interface 21.
[0034] Further, as shown in Figure 1 , the nozzle valve core mounting seat 2 is provided with a valve core positioning stop, and the nozzle valve core 1 is inserted into the valve core positioning stop; the nozzle valve core mounting seat 2 is provided with an external thread interface 22 at one end away from the nozzle valve core gland 5, and the external thread interface 22 is connected with the nozzle assembly fixed threaded seat 3; the nozzle assembly fixed threaded seat 3 is screwed on the nozzle elbow 4 at one end away from the nozzle valve core mounting seat 2.
[0035] In this embodiment, the nozzle valve core mounting seat 2 is internally provided with a valve core positioning stop, and the nozzle valve core 1 is inserted into the nozzle valve core mounting seat 2 through the valve core positioning stop; the nozzle valve core mounting seat 2 is provided with an external thread interface 22 at one end away from the nozzle valve core gland 5, and the external thread interface 22 is connected with the nozzle assembly fixed threaded seat 3, thereby realizing the overall connection of the nozzle valve core gland 5, the nozzle valve core 1 and the nozzle valve core mounting seat 2, and the nozzle assembly fixed threaded seat 3 is screwed on the water outlet of the nozzle elbow 4 at one end away from the nozzle valve core mounting seat 2, thereby realizing the jetting of high-pressure water.
[0036] Further, as shown in Figure 1 , Figure 3 and Figure 5 , the outer wall of the nozzle valve core 1 is provided as an outer cylindrical surface, so that the nozzle valve core 1 is inserted into the nozzle elbow 4; the nozzle valve core 1 is internally provided with an inner tapered hole 11, one end of the inner tapered hole 11 of the nozzle valve core 1 abuts against the boss of the nozzle elbow 4, and the nozzle valve core 1 is provided with a straight hole water jet structure 12 at one end away from the inner tapered hole 11; the nozzle valve core gland 5 is provided with a wrench socket, and the nozzle valve core gland 5 is separated from the nozzle valve core mounting seat 2 through the wrench socket.
[0037] In the embodiment, the nozzle valve core 1 is preferably in a cylindrical shape as a whole to match the shape of the end of the nozzle elbow 4, so that the nozzle valve core 1 is inserted on the nozzle elbow 4; the nozzle valve core 1 is internally provided with a conical hole 11 structure, the larger opening end of the conical hole 11 of the nozzle valve core 1 abuts against the boss of the nozzle elbow 4, so that the high-pressure water enters the conical hole 11 of the nozzle valve core 1 along the nozzle elbow 4, and the smaller opening end of the conical hole 11 is provided with a straight-hole water spraying structure 12, and the high-pressure water is sprayed out of the straight-hole water spraying structure 12.
[0038] The inner hole of the nozzle valve core 1 is designed as a conical hole, which is beneficial to the jetting of the high-pressure water flow, and the material of the nozzle valve core 1 is tungsten-cobalt alloy, the bending strength of which is greater than or equal to 3000 Mpa, and the hardness reaches 90HRA. Different outlet diameters of the wear-resistant nozzle valve core 1 are designed according to different high-pressure water flow rate requirements, the conicity of the inner hole of the wear-resistant nozzle valve core 1 is consistent with the conicity of the inner hole of the nozzle valve core mounting seat 2, and after installation, a whole conical hole outlet is formed.
[0039] Preferably, a wrench socket is formed on the nozzle valve core gland 5, when the nozzle valve core 1 is replaced, the nozzle valve core gland 5 is rotated by a wrench to separate the nozzle valve core gland 5 from the nozzle valve core 1 mounting seat, so that the nozzle valve core 1 is replaced.
[0040] Based on the high-pressure nozzle jetting device with the wear-resistant valve core convenient to replace, the whole device is composed of the nozzle elbow 4, the nozzle assembly fixed threaded seat 3, the nozzle valve core mounting seat 2, the nozzle valve core gland 5 and the nozzle valve core 4, the whole device is welded on the high-pressure water main water inlet pipeline, has the advantages of structure integration, reliable work, convenient replacement and high pressure resistance, and is particularly suitable for use in seabed ditching project construction which needs long-time jetting. The application can realize quick replacement of the nozzle valve core 1, and can realize adaptation of different nozzle valve cores 1 according to different water pressure values for the high-pressure nozzle device, so that only the nozzle valve core 1 needs to be replaced after wear without the need to replace other accessories, thereby greatly reducing the use cost.
[0041] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not a limitation on the embodiments of the utility model. For ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments are not enumerated. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.
Claims
1. A high pressure nozzle jetting device with easy replacement of a wear resistant valve core, characterized in that The nozzle valve core and the nozzle elbow pipe are included, the nozzle elbow pipe is provided with the nozzle valve core at one end, the nozzle valve core is connected to the nozzle valve core mounting seat, the nozzle valve core is provided with the nozzle valve core gland, the nozzle valve core gland is connected to the nozzle valve core mounting seat, the nozzle valve core mounting seat is screwed to the nozzle assembly fixed threaded seat, and the nozzle assembly fixed threaded seat is fixedly arranged at the end of the nozzle elbow pipe.
2. The high pressure nozzle injection device with a conveniently replaceable wear valve body according to claim 1, characterized in that The nozzle valve core is arranged in the nozzle valve core mounting seat.
3. The high pressure nozzle injection device with a convenient replacement wear valve body according to claim 2, characterized in that, The nozzle valve core is provided with the nozzle valve core gland at the end away from the nozzle valve core mounting seat, and the nozzle valve core gland is screwed to the nozzle valve core mounting seat.
4. The high pressure nozzle injection device with a conveniently replaceable wear valve body according to claim 3, characterized in that The nozzle valve core mounting seat is provided with an inner threaded interface at one end, and the nozzle valve core gland is screwed to the inner threaded interface of the nozzle valve core mounting seat.
5. The high pressure nozzle injection device with a convenient replacement wear valve body according to claim 3, characterized in that, The nozzle valve core mounting seat is provided with a valve core positioning stopper, and the nozzle valve core is inserted into the valve core positioning stopper.
6. The high pressure nozzle injection device with a convenient replacement wear valve trim according to claim 4, characterized in that, The nozzle valve core mounting seat is provided with an outer threaded interface at the end away from the nozzle valve core gland, and the nozzle assembly fixed threaded seat is connected through the outer threaded interface.
7. The high pressure nozzle injection device with a convenient replacement wear valve body according to claim 6, characterized in that, The nozzle assembly fixed threaded seat is screwed to the nozzle elbow pipe at the end away from the nozzle valve core mounting seat.
8. The high pressure nozzle injection device with a convenient replacement wear valve trim according to claim 5, characterized in that, The outer wall of the nozzle valve core is provided as an outer cylindrical surface, so that the nozzle valve core is inserted into the nozzle elbow pipe.
9. The high pressure nozzle injection device with a convenient replacement wear valve body according to claim 8, characterized in that, The nozzle valve core is provided with an inner tapered hole, one end of the inner tapered hole of the nozzle valve core abuts against the boss of the nozzle elbow pipe, and the nozzle valve core is provided with a straight hole water spraying structure at the end away from the inner tapered hole.
10. The high pressure nozzle injection apparatus of claim 4, wherein, The nozzle valve core gland is provided with a wrench socket, and the nozzle valve core gland is separated from the nozzle valve core mounting seat through the wrench socket.