Valve and butt joint device
By introducing a guide column and guide section into the valve, the problem of oil leakage caused by the valve core deviating when closed is solved, and the valve achieves a complete sealing effect.
Patent Information
- Application Number
- CN202520473978.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-18
AI Technical Summary
When the existing valve is closed, the valve core is prone to deviating along one side of its radial direction, causing oil leakage.
A valve structure was designed in which the valve core is connected to the valve body through an actuating component. The valve core is provided with a guide post and a guide part. The guide post cooperates with the inner wall of the flow channel to ensure that the valve core accurately returns to the closed position when closed and prevents deviation.
It effectively prevents the valve core from deviating radially when closed, ensuring that the valve flow channel is completely sealed and avoiding oil leakage.
Smart Images
Figure CN223854926U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to oil gas delivery technical field especially valve and butt joint device. BACKGROUND
[0002] At present, when tank car unloads, usually set up the valve for control switch, this valve pushes and pulls the valve core through the guide rod along its axial extension to open and close the valve, but this structure makes when the valve closes, its valve core easily deviates along its radial side, makes the valve core unable to completely close the flow passage of the valve, leads to oil leakage. SUMMARY
[0003] The utility model discloses a valve and butt joint device to solve the technical problem that the valve core easily deviates along its radial side when the valve for tank car unloading closes, leading to oil leakage.
[0004] In order to realize the above-mentioned purpose, the utility model provides a valve, which comprises:
[0005] A valve body is provided with a flow passage penetrating in the front-rear direction;
[0006] A valve core is arranged in the flow passage, and the valve core comprises a core disc and a plurality of guide columns, the outer side wall of the core disc is sealingly connected to the inner wall of the flow passage, and the plurality of guide columns are arranged around the axis of the core disc;
[0007] An action assembly is connected to the valve core, and the action assembly can drive the valve core to move forward to an open position, so that the outer side wall of the core disc is separated from the inner wall of the flow passage, thereby opening the flow passage; when the flow passage is opened, the action assembly can drive the valve core to move backward to a closed position, so that the outer side wall of the core disc is sealingly connected to the inner wall of the flow passage, thereby closing the flow passage;
[0008] Among them,
[0009] The first guide part is arranged on the side surface of the flow passage, and when the action assembly drives the valve core to move backward, the plurality of first guide parts abut against the inner wall of the flow passage to guide the valve core to move to the closed position,
[0010] And / or,
[0011] The inner wall of the flow passage is provided with a second guide part corresponding to the guide column, and when the action assembly drives the valve core to move backward, the plurality of second guide parts abut against the corresponding guide column to guide the valve core to move to the closed position.
[0012] Optionally, the valve core further comprises a connecting block arranged at the rear side of the core disc, the action assembly comprises a rotating shaft, a rotating block and a push-pull block arranged in the flow passage, the rotating shaft, the rotating block and the push-pull block are located at the rear of the core disc, the rotating shaft is rotationally connected to the inner wall of the flow passage, the rotating block is provided with a first end and a second end at two ends thereof respectively, the push-pull block is provided with a third end and a fourth end at two ends thereof respectively, the first end is sleeved on the outer side of the rotating shaft and fixedly connected to the rotating shaft, the second end is rotationally connected to the third end, the second end and the third end are located at the rear of the rotating shaft, the fourth end is rotationally connected to the connecting block, and the fourth end is located at the front of the rotating shaft.
[0013] When the rotating shaft rotates, the rotating shaft drives the rotating block to rotate around the axis of the rotating shaft, so that the push-pull block rotates and moves in the front-rear direction.
[0014] Optionally, the action assembly further comprises a rotating handle arranged on the outer side wall of the valve body, the rotating handle is connected to one end of the rotating shaft, and the rotating handle is capable of driving the rotating shaft to rotate by rotating.
[0015] Optionally, the push-pull block is provided with a turning portion located between the third end and the fourth end, and the turning portion is arranged around the rotating shaft.
[0016] The turning portion and the second end are located at two sides of the rotating shaft along a first direction respectively, and the turning portion and the first end are located at the same side of the rotating shaft along the first direction.
[0017] The side surface of the turning portion towards the rotating shaft is provided with an abutting surface matched with the outer side wall of the rotating shaft, and the abutting surface abuts against the outer side wall of the rotating shaft.
[0018] Optionally, when the guide column is provided with a first guide portion close to the side surface of the flow passage, the first guide portion is a bevel or an arc surface.
[0019] When the inner wall of the flow passage is provided with a second guide portion corresponding to the guide column, the second guide portion is a bevel or an arc surface.
[0020] Optionally, the inner wall of the flow passage is annularly provided with a first sealing groove, the first sealing groove is provided with a first sealing ring, and the first sealing ring is sealingly connected to the outer side wall of the core disc.
[0021] Optionally, the outer side wall of the core disc is annularly provided with a first abutting bevel, the inner wall of the flow passage is provided with a second abutting bevel corresponding to the first abutting bevel, and the first abutting bevel abuts against the second abutting bevel rearward.
[0022] Optionally, the front end of the valve body is provided with a connecting groove corresponding to the flow passage ring, the connecting groove is communicated with the flow passage, the groove bottom of the connecting groove is provided with a second sealing groove around the flow passage ring, and the second sealing groove is provided with a second sealing ring.
[0023] Optionally, the valve further comprises an extrusion handle, the outer side wall of the valve body is provided with an extrusion hole penetrating into the connecting groove, the two ends of the extrusion handle are provided with a rotating part, the rotating part is rotationally connected to the hole wall of the extrusion hole, one end of the extrusion handle away from the valve body is provided with a handle part, and the other end is provided with an extrusion part for extruding the outer side wall of the male head rearward.
[0024] When the rear side of the male head abuts against the front side of the second sealing ring, the extrusion handle is rotated around the rotating part, the extrusion part extrudes the outer side wall of the male head rearward, and the second sealing ring is sealed and connected to the rear side of the male head.
[0025] The application also relates to a docking device comprising a male head, a flange plate and the valve.
[0026] Compared with the prior art, the valve and the docking device have the following beneficial effects:
[0027] In the valve, the valve core is connected to the valve body through the action assembly; specifically, the valve core is arranged in the flow passage of the valve body, under normal circumstances, the valve core is in the closed position, the outer side wall of the core disc is sealed and connected to the inner wall of the flow passage, the flow passage is closed, and the oil cannot pass through the flow passage; at this time, the action assembly can drive the valve core to move forward to the open position, the outer side wall of the core disc is separated from the inner wall of the flow passage, so that the flow passage is opened, and the oil can pass through the flow passage; then, the action assembly can drive the valve core to move backward to the closed position, and the outer side wall of the core disc is sealed and connected to the inner wall of the flow passage again, so that the flow passage is closed, and the oil cannot pass through the flow passage; further, a plurality of guide columns are arranged on the rear side of the core disc, and the guide columns are arranged around the axis of the core disc; the guide column and the flow passage are both provided with corresponding guide parts, or one of the guide column and the flow passage is provided with a guide part corresponding to the other, so that when the valve core moves backward, the guide parts abut against the inner wall of the flow passage or the guide column, or the guide parts abut against each other, so as to guide the valve core to accurately return to the closed position, prevent the valve core from deviating along one side of the radial direction, and ensure that the outer side wall of the core disc can be sealed and connected to the inner wall of the flow passage, thereby closing the flow passage; in summary, in the closing process of the valve, the valve core will not deviate along one side of the radial direction, the valve core can completely close the flow passage of the valve, and the oil dripping condition is effectively prevented. BRIEF DESCRIPTION OF DRAWINGS
[0028] Figure 1 is a structural schematic view of the docking device of the present application.
[0029] Figure 2 is a structural schematic view of the docking device of the present application from another perspective.
[0030] Figure 3 is a front view of the docking device of the present application.
[0031] Figure 4 is a top view of the docking device of the present application.
[0032] Figure 5 is a sectional view of Figure 4 A-A.
[0033] Figure 6 is a sectional view of Figure 5 B.
[0034] Figure 7 is a sectional view of Figure 5 C-C.
[0035] Figure 8 is a sectional view of Figure 5 D-D.
[0036] Figure 9 is a bottom view of the docking device of the present application.
[0037] Figure 10 is a sectional view of Figure 9 E-E.
[0038] Figure 11 is a sectional view of Figure 10 F-F.
[0039] 100, valve; 200, male head; 2001, groove; 300, flange plate; 1, valve body; 11, flow passage; 12, second guide part; 13, first sealing groove; 14, second abutting inclined surface; 15, connecting groove; 16, second sealing groove; 17, extrusion hole; 18, liquid level groove; 19, feeding hole; 1a, discharging hole; 2, valve core; 21, core disc; 211, first abutting inclined surface; 22, guide column; 221, first guide part; 23, connecting block; 3, action assembly; 31, rotating shaft; 32, rotating block; 321, first end; 322, second end; 33, push-pull block; 331, third end; 332, fourth end; 333, turning part; 334, abutting surface; 335, push-pull plate; 34, rotating handle; 4, first sealing ring; 5, second sealing ring; 6, extrusion handle; 61, rotating part; 62, handle part; 63, extrusion part; 7, observation cover; 8, liquid level ball; 9, flame arrestor breather valve. DETAILED DESCRIPTION
[0040] The specific embodiments of the present application will be further described in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but not to limit the scope of the present application.
[0041] In the description of the present application, it should be understood that the terms "top", "bottom", "inner", "outer", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0042] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0043] As Figures 1 to 11As shown, the side for connecting the male head 200 is front, and the side opposite to it is back. The first direction and the second direction can be two different directions perpendicular to the front-back direction. The utility model discloses a valve 100, comprising a valve body 1, a valve core 2 and an action assembly 3;The valve body 1 is equipped with the flow-through channel 11 along the front-back direction through;The valve core 2 is arranged in the flow-through channel 11, and the valve core 2 comprises a core disc 21 and a plurality of guide columns 22, the outer side wall of the core disc 21 is sealingly connected to the inner wall of the flow-through channel 11, and a plurality of the guide columns 22 are arranged around the axis of the core disc 21;The action assembly 3 is connected to the valve core 2, and the action assembly 3 can drive the valve core 2 to move forward to the opening position, so that the outer side wall of the core disc 21 is separated from the inner wall of the flow-through channel 11, and then the flow-through channel 11 is opened;When the flow-through channel 11 is opened, the action assembly 3 can drive the valve core 2 to move backward to the closed position, so that the outer side wall of the core disc 21 is sealingly connected to the inner wall of the flow-through channel 11, and then the flow-through channel 11 is closed;Wherein, the guide column 22 is provided with a first guide part 221 close to the side surface of the flow-through channel 11, when the action assembly 3 drives the valve core 2 to move backward, a plurality of the first guide parts 221 abut against the inner wall of the flow-through channel 11 to guide the valve core 2 to move to the closed position, and / or, the inner wall of the flow-through channel 11 is provided with a second guide part 12 corresponding to the guide column 22, when the action assembly 3 drives the valve core 2 to move backward, a plurality of the second guide parts 12 abut against the corresponding guide column 22 to guide the valve core 2 to move to the closed position.
[0044] In the technical scheme, the valve core 2 is connected to the valve body 1 through the action assembly 3; specifically, the valve core 2 is arranged in the flow-through channel 11 of the valve body 1, and under normal circumstances, the valve core 2 is in a closed position, the outer side wall of the core disc 21 is sealingly connected to the inner wall of the flow-through channel 11, the flow-through channel 11 is closed, and the oil cannot pass through the flow-through channel 11; at this time, the action assembly 3 can drive the valve core 2 to move forward to an open position, the outer side wall of the core disc 21 is separated from the inner wall of the flow-through channel 11, so as to open the flow-through channel 11, and the oil can pass through the flow-through channel 11; then, the action assembly 3 can drive the valve core 2 to move backward to the closed position, and the outer side wall of the core disc 21 is sealingly connected to the inner wall of the flow-through channel 11 again, so as to close the flow-through channel 11, and the oil cannot pass through the flow-through channel 11; further, a plurality of guide columns 22 are arranged on the rear side of the core disc 21, and each guide column 22 is arranged around the axis of the core disc 21; the guide column 22 and the flow-through channel 11 are both provided with corresponding guide portions, or one of the guide column 22 and the flow-through channel 11 is provided with a guide portion corresponding to the other, so that when the valve core 2 moves backward, the guide portions abut against the inner wall of the flow-through channel 11 or the guide column 22, or the guide portions abut against each other, so as to guide the valve core 2 to accurately return to the closed position, prevent the valve core 2 from deviating along one side in the radial direction of the valve core 2, and ensure that the outer side wall of the core disc 21 can be sealingly connected to the inner wall of the flow-through channel 11, so as to close the flow-through channel 11; in summary, in the closing process of the valve 100, the valve core 2 will not deviate along one side in the radial direction of the valve core 2, the valve core 2 can completely close the flow-through channel 11 of the valve 100, and the situation of oil dripping is effectively prevented.
[0045] The action assembly 3 can be a piston-cylinder assembly, a motor assembly or the like that can drive the valve core 2 to move in the forward and backward directions.
[0046] In addition, the male head 200 is a convex flange end, the front side of the valve 100 is used as a female head and is connected to the male head 200, and the front side of the male head 200 is further provided with a flange plate 300, which is used to connect a pipeline of a tank car or other elements (such as other valves) on the tank car.
[0047] Further, the valve core 2 further comprises a connecting block 23 arranged at the rear side of the core disc 21, the action assembly 3 comprises a rotating shaft 31, a rotating block 32 and a push-pull block 33 arranged in the flow passage 11, the rotating shaft 31, the rotating block 32 and the push-pull block 33 are located at the rear of the core disc 21, the rotating shaft 31 is rotationally connected to the inner wall of the flow passage 11, the two ends of the rotating block 32 are respectively arranged as a first end 321 and a second end 322, the two ends of the push-pull block 33 are respectively arranged as a third end 331 and a fourth end 332, the first end 321 is sleeved on the outer side of the rotating shaft 31 and is fixedly connected to the rotating shaft 31, the second end 322 is rotationally connected to the third end 331, the second end 322 and the third end 331 are located at the rear of the rotating shaft 31, the fourth end 332 is rotationally connected to the connecting block 23, and the fourth end 332 is located at the front of the rotating shaft 31; when the rotating shaft 31 rotates, the rotating shaft 31 drives the rotating block 32 to rotate around the axis of the rotating shaft 31, so that the push-pull block 33 rotates and moves in the front-rear direction; wherein the rotation pair at the two ends of the push-pull block 33 converts the rotary motion of the rotating shaft 31 into the linear motion of the valve core 2; in addition, the action assembly 3 can comprise a motor connected to the rotating shaft 31, and the motor drives the rotating shaft 31 to rotate; in addition, the action assembly 3 can also comprise a rotating handle 34 arranged on the outer side wall of the valve body 1, the rotating handle 34 is connected to one end of the rotating shaft 31, and the worker rotates the rotating handle 34 to drive the rotating shaft 31 to rotate; in addition, the action assembly 3 can further comprise a locking member connected to the rotating shaft 31, the locking member can lock the rotating shaft 31 so that it cannot rotate, and the rotating member can be screwed to a connecting screw of the valve body 1, the connecting screw passes through the valve body 1 and abuts against the rotating shaft 31 to lock the rotating shaft 31.
[0048] Further, the push-pull block 33 is provided with a turning portion 333 located between the third end 331 and the fourth end 332, and the turning portion 333 is arranged around the rotating shaft 31; the turning portion 333 and the second end 322 are located on the two sides of the rotating shaft 31 along the first direction respectively, and the turning portion 333 and the first end 321 are located on the same side of the rotating shaft 31 along the first direction; the side surface of the turning portion 333 facing the rotating shaft 31 is provided with an abutting surface 334 matched with the outer side wall of the rotating shaft 31, and the abutting surface 334 abuts against the outer side wall of the rotating shaft 31; so that when the valve core 2 is located at the closed position, the rotating block 32 approaches or is located at the dead point position, and it is difficult or even impossible to move the rotating block 32 by applying a force in the front-rear direction to the valve core 2, so that the action assembly 3 has a self-locking function, and the matching of the abutting surface 334 and the outer side wall of the rotating shaft 31 can reduce the wear between the abutting surface 334 and the outer side wall of the rotating shaft 31.
[0049] Further, the push-pull block 33 comprises two push-pull plates 335, which are respectively arranged on the two sides of the rotating block 32 and the connecting block 23 along the second direction, and the two ends of the push-pull plate 335 are respectively rotationally connected to the rotating block 32 and the connecting block 23, so as to connect the push-pull block 33 to the rotating block 32 and the connecting block 23.
[0050] Further, the valve core 2 further comprises a first connecting pin and a second connecting pin, the second end 322 is provided with a first connecting hole penetrating through the rotating block 32 along the second direction, the third end 331 is provided with a second connecting hole corresponding to the first connecting hole, the second connecting hole penetrates through the push-pull block 33 along the second direction, the first connecting pin penetrates through the first connecting hole and the second connecting hole and is rotationally connected to the first connecting hole and the second connecting hole, the fourth end 332 is provided with a third connecting hole penetrating through the push-pull block 33 along the second direction, and the connecting block 23 is provided with a fourth connecting hole corresponding to the third connecting hole, the fourth connecting hole penetrates through the connecting block 23 along the second direction, and the second connecting pin penetrates through the third connecting hole and the fourth connecting hole and is rotationally connected to the third connecting hole and the fourth connecting hole.
[0051] Further, the rotating shaft 31 and the first end 321 can be connected by a key or a pin.
[0052] Further, in the case that the guide column 22 is provided with a first guide portion 221 on the side close to the flow passage 11, the first guide portion 221 is a bevel or an arc surface; in the case that the inner wall of the flow passage 11 is provided with a second guide portion 12 corresponding to the guide column 22, the second guide portion 12 is a bevel or an arc surface, so as to have a better guiding effect and reduce the abrasion of the abutment.
[0053] Further, the inner wall of the flow passage 11 is annularly provided with a first sealing groove 13, and the first sealing groove 13 is provided with a first sealing ring 4, when the valve core 2 is in the open position, the first sealing ring 4 is sealingly connected to the outer side wall of the core disc 21, and when the valve core 2 is in the closed position, the first sealing ring 4 is sealingly separated from the outer side wall of the core disc 21.
[0054] Further, the outer side wall of the core disc 21 is annularly provided with a first abutment bevel 211, and the inner wall of the flow passage 11 is provided with a second abutment bevel 14 corresponding to the first abutment bevel 211, the first abutment bevel 211 abuts against the second abutment bevel 14 backward, so as to prevent the valve core 2 from moving too far backward and guide the posture of the valve core 2.
[0055] Further, the front end of the valve body 1 is provided with a connecting groove 15 around the flow channel 11, the connecting groove 15 is communicated with the flow channel 11, the groove bottom of the connecting groove 15 is provided with a second sealing groove 16 around the flow channel 11, the second sealing groove 16 is provided with a second sealing ring 5, the second sealing ring 5 is used for sealing the rear side of the male head 200, when the male head 200 is connected to the valve body 1, the rear side of the male head 200 extends into the connecting groove 15, abuts the groove bottom of the connecting groove 15 and the second sealing ring 5, the second sealing ring 5 seals the rear side of the male head 200 to prevent oil leakage between the male head 200 and the valve body 1.
[0056] Further, the valve body 1 is provided with an extrusion handle 6, the outer wall of the valve body 1 is provided with an extrusion hole 17 penetrating the connecting groove 15, the extrusion handle 6 is provided with a rotating part 61 between the two ends, the rotating part 61 is rotatably connected to the hole wall of the extrusion hole 17, one end of the extrusion handle 6 away from the valve body 1 is provided with a handle part 62, the other end is provided with an extrusion part 63, the extrusion part 63 is used for extruding the outer wall of the male head 200 backward; when the rear side of the male head 200 abuts the front side of the second sealing ring 5, the extrusion handle 6 rotates around the rotating part 61, the extrusion part 63 extrudes the outer wall of the male head 200 backward, and then the second sealing ring 5 is sealed to the rear side of the male head 200; when the rear side of the male head 200 abuts the groove bottom of the connecting groove 15 and the front side of the second sealing ring 5, the staff holds the handle to operate, the extrusion handle 6 rotates around the rotating part 61, the extrusion part 63 extrudes the outer wall of the male head 200 backward, the rear side of the male head 200 is pressed downward on the front side of the second sealing ring 5, and then the second sealing ring 5 is sealed to the male head 200; wherein the extrusion handle 6 can be clamped on the outer wall of the valve shell after rotation to keep still, or can be locked by a locking screw structure; in addition, the outer wall of the male head 200 can be provided with a groove 2001 matched with the extrusion part 63, and the extrusion part 63 is extruded backward in the groove 2001.
[0057] Further, it also includes an observation cover 7 and a liquid level ball 8, the outer wall of the valve body 1 is provided with a liquid level groove 18, the groove bottom of the liquid level groove 18 is provided with an inlet hole 19 and an outlet hole 1a penetrating the flow channel 11, the inlet hole 19 and the outlet hole 1a are located behind the core disc 21, the liquid level ball 8 is located in the liquid level groove 18, the observation cover 7 covers the liquid level groove 18 and seals the liquid level groove 18, the observation cover 7 is transparent and made of transparent material, so that the staff can observe the conveying situation of the oil in the valve through the observation cover 7.
[0058] Further, the fire-retardant breathing valve 9 is arranged on the outer wall of the valve body 1 and penetrates the explosion-proof hole to the flow channel 11, and is arranged behind the core disc 21, and the fire-retardant breathing valve 9 is arranged on the outer hole of the explosion-proof hole to prevent the explosion in the pipeline.
[0059] The utility model also relates to a kind of docking devices, including male head 200, flange plate 300 and the valve 100 of preceding, the rear end of the male head 200 is connected to the front end of the valve 100, and it is docked in the flow channel 11, so flange plate 300 is arranged in the rear end of the male head 200.
[0060] Further, fixed setting, fixed connection refers to the relative position relationship of two components is fixed, including but not limited to fixed by connecting piece, fixed by welding, fixed by adhesive, fixed by integrally formed, fixed by buckle connection.
[0061] Further, rotating connection, rotating setting refers to the two components connected can rotate, including but not limited to connecting by bearing, connecting by clearance fit.
[0062] Further, connecting piece includes but is not limited to fastener, belt, binding rope, pneumatic connecting element, hydraulic connecting element, flange plate, magic tape, button.
[0063] In summary, the utility model embodiment provides a kind of valve 100 and docking device, and its technical effect is:
[0064] The utility model discloses valve 100, valve core 2 is connected in valve body 1 through action assembly 3, specifically, valve core 2 is located in the flow passageway 11 of valve body 1, under normal circumstances, valve core 2 is at the closed position, and the outside wall of core disc 21 is sealedly connected to the inner wall of flow passageway 11, and flow passageway 11 is closed, and oil cannot pass through flow passageway 11, at this moment, action assembly 3 can drive valve core 2 to move to the opening position along forward, and the outside wall of core disc 21 is separated from the inner wall of flow passageway 11 to open flow passageway 11, so that oil can pass through flow passageway 11, then, action assembly 3 can drive valve core 2 to move to the closed position backward, and the outside wall of core disc 21 is sealedly connected to the inner wall of flow passageway 11 again to close flow passageway 11, so that oil cannot pass through flow passageway 11, further, a plurality of guide posts 22 are arranged on the back side of core disc 21, and each guide post 22 is arranged around the axis of core disc 21, and among guide post 22 and flow passageway 11, both are provided with the corresponding guide portion, or one of them is provided with the guide portion corresponding to the other, so that when valve core 2 moves backward, the guide portion abuts against the inner wall of flow passageway 11 or guide post 22 or the guide portion abuts against each other, to guide valve core 2 to accurately return to the closed position, prevent valve core 2 from deviating along the radial side thereof, to ensure that the outside wall of core disc 21 can be sealedly connected to the inner wall of flow passageway 11, and then close flow passageway 11, in conclusion, in the process of closing, the valve core 2 of the utility model discloses valve 100 will not deviate along the radial side thereof, and valve core 2 can completely close the flow passageway 11 of valve 100, effectively prevent the oil from dripping.
[0065] The above only is the preferred implementation of the utility model, should point out, for the ordinary skill in the art of the present technology, under the premise of not departing from the technical principle of the utility model, can also make several improvements and substitutions, these improvements and substitutions also should be considered the protection scope of the utility model.
Claims
1. A valve (100) characterized by, Comprising, a valve body (1) provided with a flow passage (11) extending through the valve body (1) in the front-rear direction; a valve core (2) provided in the flow passage (11), the valve core (2) comprising a core disc (21) and a plurality of guide columns (22), the outer side wall of the core disc (21) being sealingly connected to the inner wall of the flow passage (11), and the plurality of guide columns (22) being arranged around the axis of the core disc (21); an action assembly (3) connected to the valve core (2), the action assembly (3) being capable of driving the valve core (2) to move forward to an open position, so that the outer side wall of the core disc (21) is separated from the inner wall of the flow passage (11), thereby opening the flow passage (11), and the action assembly (3) being capable of driving the valve core (2) to move backward to a closed position, so that the outer side wall of the core disc (21) is sealingly connected to the inner wall of the flow passage (11), thereby closing the flow passage (11); wherein, the guide columns (22) are provided with first guide portions (221) close to the side surface of the flow passage (11), and when the action assembly (3) drives the valve core (2) to move backward, the plurality of first guide portions (221) abut against the inner wall of the flow passage (11) to guide the valve core (2) to move to the closed position, and / or, the inner wall of the flow passage (11) is provided with second guide portions (12) corresponding to the guide columns (22), and when the action assembly (3) drives the valve core (2) to move backward, the plurality of second guide portions (12) abut against the corresponding guide columns (22) to guide the valve core (2) to move to the closed position.
2. The valve (100) according to claim 1, characterized in that The valve core (2) further comprises a connecting block (23) provided on the rear side surface of the core disc (21), the action assembly (3) comprises a rotating shaft (31), a rotating block (32) and a push-pull block (33) provided in the flow passage (11), the rotating shaft (31), the rotating block (32) and the push-pull block (33) are located behind the core disc (21), the rotating shaft (31) is rotationally connected to the inner wall of the flow passage (11), both ends of the rotating block (32) are provided as a first end (321) and a second end (322), respectively, both ends of the push-pull block (33) are provided as a third end (331) and a fourth end (332), respectively, the first end (321) is sleeved on the outer side of the rotating shaft (31) and fixedly connected to the rotating shaft (31), the second end (322) is rotationally connected to the third end (331), the second end (322) and the third end (331) are located behind the rotating shaft (31), and the fourth end (332) is rotationally connected to the connecting block (23), the fourth end (332) is located in front of the rotating shaft (31). When the rotating shaft (31) rotates, the rotating shaft (31) drives the rotating block (32) to rotate around the axis of the rotating shaft (31), so that the push-pull block (33) rotates and moves in the front-rear direction.
3. The valve (100) according to claim 2, characterized in that The action assembly (3) further comprises a rotating handle (34) arranged on the outer side wall of the valve body (1), and the rotating handle (34) is connected to one end of the rotating shaft (31), and the rotating handle (34) can drive the rotating shaft (31) to rotate by rotating.
4. The valve (100) according to claim 2, characterized in that The push-pull block (33) is provided with a turning portion (333) located between the third end (331) and the fourth end (332), and the turning portion (333) is arranged around the rotating shaft (31); The turning portion (333) and the second end (322) are located on the two sides of the rotating shaft (31) along the first direction respectively, and the turning portion (333) and the first end (321) are located on the same side of the rotating shaft (31) along the first direction; The turning portion (333) is provided with an abutting surface (334) facing the side surface of the rotating shaft (31), the abutting surface (334) matches the outer side wall of the rotating shaft (31), and the abutting surface (334) abuts against the outer side wall of the rotating shaft (31).
5. The valve (100) according to claim 1, characterized in that, In the case that the guide column (22) is provided with a first guide portion (221) on the side close to the flow passage (11), the first guide portion (221) is a bevel or an arc surface; In the case that the inner wall of the flow passage (11) is provided with a second guide portion (12) corresponding to the guide column (22), the second guide portion (12) is a bevel or an arc surface.
6. The valve (100) of claim 1, wherein The inner wall of the flow passage (11) is annularly provided with a first sealing groove (13), and the first sealing groove (13) is provided with a first sealing ring (4) therein, and the first sealing ring (4) is sealingly connected to the outer side wall of the core disc (21).
7. The valve (100) of claim 1, wherein The outer side wall of the core disc (21) is annularly provided with a first abutting bevel (211), and the inner wall of the flow passage (11) is provided with a second abutting bevel (14) corresponding to the first abutting bevel (211), and the first abutting bevel (211) abuts against the second abutting bevel (14) rearward.
8. The valve (100) of claim 1, wherein The front end of the valve body (1) is annularly provided with a connecting groove (15) corresponding to the flow passage (11), the connecting groove (15) is communicated with the flow passage (11), the groove bottom of the connecting groove (15) is annularly provided with a second sealing groove (16) around the flow passage (11), the second sealing groove (16) is provided with a second sealing ring (5) therein, and the second sealing ring (5) is used for sealingly connecting to the rear side of the male head (200).
9. The valve (100) according to claim 8, characterized in that Further comprising a pressing handle (6), an outer side wall of the valve body (1) is provided with a pressing hole (17) penetrating to the connecting groove (15), a rotating part (61) is arranged between two ends of the pressing handle (6), the rotating part (61) is rotationally connected to a hole wall of the pressing hole (17), an end of the pressing handle (6) away from the valve body (1) is provided with a handle part (62), and the other end is provided with a pressing part (63), the pressing part (63) is used for pressing the outer side wall of the male head (200) rearward; When the rear side of the male head (200) abuts against the front side of the second sealing ring (5), the pressing handle (6) rotates around the rotating part (61), the pressing part (63) presses the outer side wall of the male head (200) rearward, and then the second sealing ring (5) is sealingly connected to the rear side of the male head (200).
10. A docking device, characterized in that The valve (100) comprises a male head (200), a flange plate (300) and the valve (100) in any one of claims 1 to 9, the rear end of the male head (200) is connected to the front end of the valve (100) and is connected to the flow passage (11), and therefore the flange plate (300) is arranged at the rear end of the male head (200).