Conical lubricating oil six-way switching valve

Abstract

The utility model belongs to the technical field of lubricating oil six-way switching valves, and particularly relates to a conical lubricating oil six-way switching valve which comprises a switching valve body assembly, a lifting assembly is installed on the top of the switching valve body assembly, and a six-way switching assembly is installed in the switching valve body assembly. The switching valve body assembly comprises a six-way switching valve body, the outer wall of the six-way switching valve body communicates with a first lubricating oil circulation pipe, one side of the six-way switching valve body communicates with a second lubricating oil circulation pipe, and the other side of the six-way switching valve body communicates with a third lubricating oil circulation pipe. A sealing gasket is tightly attached to the top of the six-way switching valve body. According to the utility model, the conical valve body is designed, and when a passage is switched, the core shaft and the plugging block can be firstly lifted upwards and then rotated for switching, so that the torsion is conveniently reduced, the operation is more labor-saving and convenient, and the accuracy of the rotation switching of the plugging block is conveniently ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to lubricating oil six -way switching valve technical field, specifically is a conical lubricating oil six -way switching valve. BACKGROUND

[0002] Six -way reversing valve is an important fluid reversing equipment. The valve is installed in the pipeline of the dilute oil lubricating system for conveying lubricating oil. By changing the relative position of the sealing assembly in the valve body, the passages of the valve body are connected or disconnected, thereby controlling the reversing and starting and stopping of the fluid.

[0003] In Chinese patent 201810876007.8, the six-way switching valve is provided, which is difficult to leak and effectively inhibits pressure loss. Three ports (pB, pA, pF) are opened side by side in the axis (O) direction, and on the opposite side of the three ports relative to the axis, the other three ports (pC, pD, pE) are opened side by side in the axis direction. A first U-shaped diversion passage (16A) and a second U-shaped diversion passage (16B) are provided in the main valve core (15), and the main valve core is moved in the main valve chamber, so that the first communication state and the second communication state can be selectively obtained. The main valve core has a cylindrical first sliding valve core (15A) and a second sliding valve core (15B), which has a fitting convex portion (15b) that is slidably embedded in the first sliding valve core on the left side. By embedding the fitting convex portion in the first sliding valve core, a first U-shaped diversion passage is formed by the inner peripheral surface of the first sliding valve core and the left end surface of the fitting convex portion.

[0004] The existing conical lubricating oil six-way switching valve has the problems that the valve body is usually cylindrical, the upper and lower inner diameters are consistent, the friction between the blocking block and the inner wall of the valve body is too large when switching the flow passage, the volume of the entire switching valve is also relatively large, which results in a large torque required for switching, the operation is laborious, and the switching may not be in place due to the rotation of the blocking block, which may cause lubricating oil leakage.

[0005] Therefore, a conical lubricating oil six-way switching valve is proposed to solve the above problems. Utility model content

[0006] In order to make up for the shortcomings of the prior art, the friction between the blocking block and the inner wall of the valve body is too large when switching the flow passage, the volume of the entire switching valve is also relatively large, which results in a large torque required for switching, the operation is laborious, and the switching may not be in place due to the rotation of the blocking block, which may cause lubricating oil leakage.

[0007] The utility model discloses a technical scheme that solves its technical problem is adopted: A kind of tapered lubricating oil six-way switching valve of the utility model, including switching valve valve body assembly, the top of switching valve valve body assembly is equipped with pull assembly, and the inside of switching valve valve body assembly is equipped with six-way switching assembly, the switching valve valve body assembly includes six-way switching valve valve body, the outer wall of six-way switching valve valve body is connected with first lubricating oil flow pipe, and the side of six-way switching valve valve body is connected with second lubricating oil flow pipe, and the other side of six-way switching valve valve body is connected with third lubricating oil flow pipe, the top of six-way switching valve valve body is tightly combined with sealing washer, and the top of sealing washer is fixedly connected with switching valve sealing cover, and the inside screw thread connection of switching valve sealing cover is equipped with fixed bolt.

[0008] Preferably, the diameter of the top plane of the six-way switching valve body is greater than the diameter of the bottom plane of the six-way switching valve body, and the material of the six-way switching valve body is carbon steel material.

[0009] Preferably, the first lubricating oil flow pipe and the third lubricating oil flow pipe are vertically arranged, and the first lubricating oil flow pipe and the second lubricating oil flow pipe are vertically arranged.

[0010] Preferably, the pull assembly includes a rotating pull ring, the outer wall of the rotating pull ring is fixedly connected with a rotating handle, and the bottom of the rotating pull ring is integrally connected with an I-shaped rotating ring block.

[0011] Preferably, the rotating pull ring is rotatably connected with the switching valve sealing cover through the I-shaped rotating ring block, and the I-shaped rotating ring block is sealingly connected with the switching valve sealing cover through the rotary oil seal.

[0012] Preferably, the six-way switching assembly includes a switching valve spindle, the side of the switching valve spindle is fixedly connected with a switching plugging block, and the outer wall of the switching valve spindle is fixedly connected with a cavity partition plate.

[0013] Preferably, the cross-sectional shape of the positioning pin is square, the positioning pin is rotatably connected with the switching rotating block, and the positioning pin is slidingly connected with the fixing rod.

[0014] The utility model has the advantages that:

[0015] 1. The utility model discloses a switching valve valve body assembly is provided with, six switching valve valve body is conical setting, big up small, when switching, can pull up the valve core and the plugging block, and then can reduce the friction between it and the inner wall of valve body, make switching more labor saving, and the switching valve sealing cover that can dismantle is provided, make the valve body can be opened, and then when its internal parts appear wear and tear, convenient can overhaul;

[0016] 2. The utility model discloses setting up the lifting assembly, only need to rotate the lifting ring, can under the action of lifting screw thread with switching valve core shaft, switching plugging block is lifted, when switching, it is convenient to make operation more labor saving, and the setting of rotary oil seal between the I -shaped rotating ring block and switching valve sealing cover is convenient to guarantee the leakproofness.

[0017] 3. The utility model discloses setting up six switching assembly, utilize the positioning pin, switching rotating block, can when switching valve core shaft is lifted and is lifted, to its position fixing, prevent it with I -shaped rotating ring block together and rotate, and when lifting, switching valve core shaft can with switching valve core shaft rotate, and then complete switching, the cross section shape of positioning pin is set up as square, when it is clamped with switching rotating block, can guarantee that the degree of switching rotating block rotation is ninety degrees multiple, and then convenient can guarantee that switching plugging block can be aligned with corresponding pipe orifice after each switching, and then convenient guarantee its plugging accuracy. ACCURATE DESCRIPTION

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0019] Figure 1 It is the three-dimensional structure schematic diagram of the whole interior of the utility model;

[0020] Figure 2 It is the three-dimensional structure schematic diagram of the whole front view of the utility model;

[0021] Figure 3 It is the three-dimensional structure schematic diagram of the utility model lifting assembly part;

[0022] Figure 4 It is the three-dimensional structure schematic diagram of the six switching assembly part of the utility model;

[0023] Figure 5 It is the explosion structure schematic diagram of the switching valve valve body assembly part of the utility model.

[0024] Figure 6 It is a cross section structure schematic view of the valve body part of the utility model.

[0025] In the figure: 1, switching valve valve body assembly; 2, pull assembly; 3, six-way switching assembly; 101, six-way switching valve valve body; 102, first lubricating oil flow pipe; 103, second lubricating oil flow pipe; 104, sealing washer; 105, switching valve sealing cover; 106, fixing bolt; 107, third lubricating oil flow pipe; 201, rotating pull ring; 202, rotating handle; 203, I-shaped rotating ring block; 204, rotary oil seal; 205, pull thread; 301, switching valve core shaft; 302, switching plugging block; 303, cavity partition plate; 304, switching rotating block; 305, positioning pin; 306, fixed rod. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described 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 protection scope of the utility model.

[0027] Embodiment one

[0028] As shown in Figure 1 A conical lubricating oil six-way switching valve, comprising a switching valve valve body assembly 1, a pull assembly 2 is installed at the top of the switching valve valve body assembly 1, and a six-way switching assembly 3 is installed inside the switching valve valve body assembly 1, a conical valve body is designed, and when switching the passage, the core shaft and the plugging block can be pulled up first and then rotated to switch, which is convenient to reduce the torque, is more labor-saving and convenient, and is convenient to ensure the accuracy of the plugging block rotating switch.

[0029] As shown in Figure 5As shown, a kind of conical lubricating oil six-way switching valve, switching valve valve body assembly 1 is designed with the conical valve body of big up and small down, it can be more labor-saving when switching passage, switching valve valve body assembly 1 includes six-way switching valve valve body 101, the outer wall of six-way switching valve valve body 101 is communicated with first lubricating oil flow pipe 102, and the side of six-way switching valve valve body 101 is communicated with second lubricating oil flow pipe 103, and the other side of six-way switching valve valve body 101 is communicated with third lubricating oil flow pipe 107, the top of six-way switching valve valve body 101 is closely combined with sealing washer 104, and the top of sealing washer 104 is fixedly connected with switching valve sealing cover 105, and the inside of switching valve sealing cover 105 is screw-connected with fixed bolt 106, the diameter of six-way switching valve valve body 101 top plane is greater than the diameter of six-way switching valve valve body 101 bottom plane, and the material of six-way switching valve valve body 101 is carbon steel material setting, switching valve sealing cover 105 is detachable structure with six-way switching valve valve body 101 by fixed bolt 106, and switching valve sealing cover 105 is sealed structure with six-way switching valve valve body 101 by sealing washer 104, first lubricating oil flow pipe 102 and third lubricating oil flow pipe 107 are vertically set, and first lubricating oil flow pipe 102 and second lubricating oil flow pipe 103 are vertically set, six-way switching valve valve body 101 is conical setting, big up and small down, when switching, valve core and plugging block can be pulled up, to be able to reduce the friction between it and the inner wall of valve body, make switching more labor-saving, and the switching valve sealing cover 105 of detachable setting, make valve body can be opened, to when its internal parts appear wear and tear, it is convenient to be able to overhaul.

[0030] As Figure 3As shown, a conical lubricating oil six-way switching valve, the pulling component 2 is used to lift the core shaft and the blocking block upwards before rotating the switching passage, so as to reduce the torque during subsequent switching. The pulling component 2 includes a rotating lifting ring 201, the outer wall of the rotating lifting ring 201 is fixedly connected with a rotating handle 202, and the bottom of the rotating lifting ring 201 is integrally connected with an I-shaped rotating ring block 203, the outer wall of the I-shaped rotating ring block 203 is installed with a rotating oil seal 204, and the inner wall of the I-shaped rotating ring block 203 is threadedly connected with a pulling thread 205, the rotating lifting ring 201 forms a rotating structure with the switching valve sealing cover 105 through the I-shaped rotating ring block 203, and the working The I-shaped rotating ring block 203 forms a sealing structure with the switching valve sealing cover 105 through a rotating oil seal 204. The rotating lifting ring 201 and the I-shaped rotating ring block 203 are both threadedly connected with the switching valve core shaft 301 through a lifting thread 205, and the lifting thread 205 and the switching valve core shaft 301 are integrated. Only by rotating the rotating lifting ring 201, the switching valve core shaft 301 and the switching blocking block 302 can be lifted and lowered under the action of the lifting thread 205. It is lifted when switching, which makes the operation more labor-saving. A rotating oil seal 204 is provided between the I-shaped rotating ring block 203 and the switching valve sealing cover 105 to ensure the sealing.

[0031] like Figure 4 As shown, a conical lubricating oil six-way switching valve, the six-way switching component 3 is used to rotate with the core shaft to complete the switching, and the six-way switching component 3 includes a switching valve core shaft 301, the side of the switching valve core shaft 301 is fixedly connected with a switching blocking block 302, and the outer wall of the switching valve core shaft 301 is fixedly connected with a cavity partition plate 303, the top of the switching valve core shaft 301 is snap-connected with a switching rotating block 304, and the interior of the switching rotating block 304 is snap-connected with a positioning pin 305, and the exterior of the positioning pin 305 is slidably connected with a fixed rod 306, the cross-sectional shape of the positioning pin 305 is a square setting, and the positioning pin 305 and the switching rotating block 304 form a snap-fit ​​structure, and the positioning pin 305 and the fixed rod 306 form a sliding structure, and the positioning pin 305 and the switching rotating block 304 can be used to limit and fix the switching valve core shaft 301 when it is lifted and lowered to prevent it from rotating with the I-shaped rotating ring block 203, and when it is pulled up, the switching valve core shaft 301 can rotate with the switching valve core shaft 301 to complete the switching. The cross-sectional shape of the positioning pin 305 is set to be square. When it is engaged with the switching rotating block 304, it can ensure that the degree of rotation of the switching rotating block 304 is a multiple of ninety degrees, so that it is easy to ensure that the switching blocking block 302 can be aligned with the corresponding pipe mouth after each switching, so as to ensure the accuracy of its blocking.

[0032] When the valve body 101 is in the shape of a cone, the switching valve core shaft 301 is lifted up, and the switching sealing block 302 and the cavity partition plate 303 are lifted up together.

[0033] After the cam 301 is unlocked, the valve core shaft 301 is unlocked and the valve core shaft 301 is unlocked, and the cam 302 is unlocked, so that the cam 302 is unlocked and the valve core shaft 301 is unlocked.

[0034] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A conical six-way lubricating oil switching valve, characterized by: It comprises a switching valve body assembly (1), a lifting assembly (2) is installed on the top of the switching valve body assembly (1), and a six-way switching assembly (3) is installed inside the switching valve body assembly (1); The switching valve body assembly (1) comprises a six-way switching valve body (101), the outer wall of the six-way switching valve body (101) is connected to a first lubricating oil circulation pipe (102), one side of the six-way switching valve body (101) is connected to a second lubricating oil circulation pipe (103), and the other side of the six-way switching valve body (101) is connected to a third lubricating oil circulation pipe (107), the top of the six-way switching valve body (101) is tightly fitted with a sealing gasket (104), the top of the sealing gasket (104) is fixedly connected to a switching valve sealing cover (105), and the internal thread of the switching valve sealing cover (105) is connected to a fixing bolt (106).

2. A conical lubricating oil six-way switching valve according to claim 1, characterized in that: The diameter of the top plane of the six-way switching valve body (101) is greater than the diameter of the bottom plane of the six-way switching valve body (101), and the material of the six-way switching valve body (101) is carbon steel. The switching valve sealing cover (105) and the six-way switching valve body (101) form a detachable structure through fixing bolts (106), and the switching valve sealing cover (105) and the six-way switching valve body (101) form a sealing structure through a sealing gasket (104).

3. The tapered six-way lubricating oil switching valve according to claim 1, characterized in that: The first lubricating oil circulation pipe (102) and the third lubricating oil circulation pipe (107) are vertically arranged, and the first lubricating oil circulation pipe (102) and the second lubricating oil circulation pipe (103) are vertically arranged.

4. The tapered six-way lubricating oil switching valve according to claim 1, characterized in that: The lifting assembly (2) comprises a rotating lifting ring (201), the outer wall of the rotating lifting ring (201) is fixedly connected to a rotating handle (202), and the bottom of the rotating lifting ring (201) is integrally connected to an I-shaped rotating ring block (203), the outer wall of the I-shaped rotating ring block (203) is installed with a rotating oil seal (204), and the inner wall of the I-shaped rotating ring block (203) is threadedly connected to a lifting thread (205).

5. The tapered six-way lubricating oil switching valve according to claim 4, characterized in that: The rotating lifting ring (201) forms a rotating structure with the switching valve sealing cover (105) through the I-shaped rotating ring block (203), and the I-shaped rotating ring block (203) forms a sealing structure with the switching valve sealing cover (105) through the rotating oil seal (204). The rotating lifting ring (201) and the I-shaped rotating ring block (203) are both threadedly connected with the switching valve core shaft (301) through the lifting thread (205), and the lifting thread (205) and the switching valve core shaft (301) are integrated.

6. The tapered six-way lubricating oil switching valve according to claim 1, characterized in that: The six-way switching assembly (3) includes a switching valve core shaft (301), a switching blocking block (302) is fixedly connected to the side of the switching valve core shaft (301), and a cavity partition plate (303) is fixedly connected to the outer wall of the switching valve core shaft (301), the top end of the switching valve core shaft (301) is snap-connected to a switching rotating block (304), and the inside of the switching rotating block (304) is snap-connected to a positioning pin (305), and the outside of the positioning pin (305) is slidably connected to a fixing rod (306).

7. The tapered six-way lubricating oil switching valve according to claim 6, characterized in that: The cross-section of the positioning pin (305) is in the shape of a square, and the positioning pin (305) and the switching rotating block (304) form a snap-fit ​​structure, and the positioning pin (305) and the fixing rod (306) form a sliding structure.

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