Novel sealing tubing head

Abstract

The utility model discloses a novel sealing tubing head, which relates to the technical field of tubing heads and comprises an oil delivery pipe, and a male joint is fixedly inserted into the top end of the oil delivery pipe. After the female joint is fixed in the hexagon nut sleeve through the threads, the lower side of the female joint abuts against and is fixed to the arc-shaped groove in the connecting frame, so that the connecting frame moves to the bottom of the inner wall of the hexagon nut sleeve, meanwhile, the rubber ring abuts against the bottom of the inner wall of the hexagon nut sleeve, and the silica gel ring moves into the annular groove; double sealing is conducted on the interior of the hexagonal nut sleeve, the possibility that oil in the hexagonal nut sleeve leaks is reduced, after the female connector and the male connector are fixed, an O-shaped ring on the lower side of the female connector moves into an O-shaped groove, meanwhile, a connecting ring moves to make contact with the upper side of the hexagonal nut sleeve, sealing between the hexagonal nut sleeve and the female connector is improved through the O-shaped ring, and the sealing effect is improved. And the possibility of oil leakage in the sealed tubing head is further reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil pipe head technical field especially is related to a novel sealing oil pipe head. BACKGROUND

[0002] Oil pipe joint is a kind of pipe fitting for connecting oil pipe, it is made of different materials, such as aluminum alloy, steel, copper, stainless steel and plastic etc., they can provide the high connection strength between oil pipe, and can effectively prevent the oil leakage in oil pipe, to ensure the safety and reliability of oil pipe system, oil pipe joint needs to be sealed in the process of actual connection to the connection position.

[0003] The existing oil pipe joint is sealed by winding raw rubber belt, thread glue and other ways on the side of the thread groove of oil pipe joint, but when raw rubber belt and other materials are used for a long time, raw rubber belt is prone to breakage due to oxidation and other conditions, and then the oil in the internal of oil pipe joint is prone to leakage. UTILITY MODEL CONTENTS

[0004] In order to improve the above-mentioned sealing by winding raw rubber belt, thread glue and other ways on the side of the thread groove of oil pipe joint, but when raw rubber belt and other materials are used for a long time, raw rubber belt is prone to breakage due to oxidation and other conditions, and then the oil in the internal of oil pipe joint is prone to leakage, the utility model provides a novel sealing oil pipe head.

[0005] The utility model provides a novel sealing oil pipe head adopts the following technical scheme:

[0006] A novel sealing oil pipe head, including oil pipe, the top of oil pipe is fixedly inserted with male joint, the inside of male joint is rotatably provided with female joint, and the upper side of female joint inner wall is provided with thread connection groove.

[0007] Through the above technical scheme, the internal double sealing of hexagon nut sleeve is facilitated, and the possibility of oil leakage in the internal of hexagon nut sleeve is reduced.

[0008] Optionally, in the novel sealing oil pipe head, the male joint includes a connecting rod, the connecting rod is fixedly inserted in the internal of oil pipe, the top of the connecting rod is fixedly connected with a connecting frame, the outer side of the oil pipe is movably sleeved with a hexagon nut sleeve, and the side surface of the connecting frame is slidably matched with the internal of the hexagon nut sleeve.

[0009] Through the above technical scheme, the hexagon nut sleeve can be rotated to fix the female joint and the male joint.

[0010] Optionally, in the novel sealing oil pipe head, the top of the connecting frame is provided with an arc-shaped groove, and the internal of the arc-shaped groove is provided with an annular groove.

[0011] Through the technical scheme, the lower side of the female joint is convenient to release a larger area inside the annular groove, and the fitting degree is higher.

[0012] Optionally, in the novel sealing tubing head, the cross section of the female joint is T-shaped, the lower side of the female joint is arc-shaped, the lower side of the female joint extends to the inside of the hexagon nut sleeve and is fixedly provided with a silica gel ring, and the silica gel ring is in sliding fit with the inside of the annular groove.

[0013] Through the technical scheme, the silica gel ring is convenient to move to the inside of the annular groove, and the sealing effect of the female joint in the connecting frame is conveniently increased.

[0014] Optionally, in the novel sealing tubing head, the bottom of the connecting frame is fixedly provided with a rubber ring, and the bottom of the rubber ring abuts against the bottom of the inner wall of the hexagon nut sleeve.

[0015] Through the technical scheme, the rubber ring can increase the sealing property of the fixed female joint and the male joint.

[0016] Optionally, in the novel sealing tubing head, the upper side of the side surface of the female joint is fixedly sleeved with a hexagonal block, the bottom of the hexagonal block is fixedly provided with a connecting ring, the bottom of the connecting ring is fixedly provided with an O-shaped ring, the top of the hexagon nut sleeve is provided with an O-shaped groove, and the side surface of the O-shaped ring is in sliding fit with the inside of the O-shaped groove.

[0017] Through the technical scheme, the O-shaped ring and the O-shaped groove can increase the sealing effect between the hexagonal block and the hexagon nut sleeve.

[0018] Optionally, in the novel sealing tubing head, the side surface of the hexagonal block and the side surface of the hexagon nut sleeve are both provided with a plurality of anti-skid grooves, and the plurality of anti-skid grooves are equidistantly and linearly arranged on the six side surfaces of the hexagonal block and the hexagon nut sleeve.

[0019] Through the technical scheme, the anti-skid grooves increase the anti-skid property of the wrench when the wrench fixes the hexagon nut sleeve and the hexagonal block.

[0020] Optionally, in the novel sealing tubing head, the bottom of the inner wall of the arc-shaped groove and the bottom of the female joint are both planes and are parallel to each other.

[0021] Through the technical scheme, the arc-shaped groove with the bottom being a plane releases a larger area for the female joint with the bottom of the inner wall being a plane.

[0022] In summary, the novel sealing tubing head has at least one of the following beneficial effects:

[0023] By the female joint is fixed in the hexagonal nut sleeve through the thread inside, the female joint lower side to the arc-shaped groove inside the connecting frame fixed, the connecting frame moves to the hexagonal nut sleeve inner wall bottom, while the rubber ring with the hexagonal nut sleeve inner wall bottom contact, and the silica gel ring moves to the annular groove, the hexagonal nut sleeve inside double sealing, reduce the hexagonal nut sleeve inside oil liquid leakage possibility.

[0024] By the female joint and the male joint fixed, the female joint lower side O-shaped ring moves to the O-shaped groove, while the connecting ring moves to the upper side of the hexagonal nut sleeve contact, through the O-shaped ring increases the hexagonal nut sleeve and the female joint sealing, further reduce the possibility of leakage of the sealed oil pipe head inside. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0026] Figure 2 It is the three-dimensional structure development diagram of the utility model;

[0027] Figure 3 It is the three-dimensional structure schematic diagram of the female joint of the utility model;

[0028] Figure 4 It is the three-dimensional structure development diagram of the male joint of the utility model.

[0029] In the drawing: 1, oil pipeline;2, male joint;201, connecting rod;202, connecting frame;203, hexagonal nut sleeve;204, rubber ring;205, O-shaped groove;206, anti-skid groove;207, arc-shaped groove;208, annular groove;3, female joint;301, silica gel ring;302, hexagonal block;303, connecting ring;304, O-shaped ring;4, threaded connection groove. DETAILED DESCRIPTION

[0030] The following will be combined with the Figures 1-4 The utility model is further explained in detail.

[0031] Please refer to the drawing in the specification Figure 1 、 Figure 2 、 Figure 3 And Figure 4 A kind of new sealed oil pipe head provided by the utility model: including oil pipeline 1, the top end of oil pipeline 1 is fixed and is inserted with male joint 2, and female joint 3 is rotatably arranged in the inside of male joint 2, and threaded connection groove 4 is formed in the upper side of the inner wall of female joint 3.

[0032] Working principle: when using the new sealing oil pipe head, after the female joint 3 is fixed in the hex nut sleeve 203 through threads, the lower side of the female joint 3 is in contact with the arc-shaped groove 207 in the inside of the connecting frame 202, so that the connecting frame 202 moves to the bottom of the inner wall of the hex nut sleeve 203, and the bottom of the rubber ring 204 is in contact with the bottom of the inner wall of the hex nut sleeve 203, and the silica gel ring 301 moves to the inside of the annular groove 208, thereby double-sealing the inside of the hex nut sleeve 203, reducing the possibility of oil leakage in the inside of the hex nut sleeve 203.

[0033] After the female joint 3 is fixed with the male joint 2, the O-shaped ring 304 on the lower side of the female joint 3 moves to the inside of the O-shaped groove 205, and the connecting ring 303 moves to contact the upper side of the hex nut sleeve 203, thereby increasing the sealing state between the hex nut sleeve 203 and the female joint 3 through the O-shaped ring 304, and further reducing the possibility of oil leakage in the inside of the sealing oil pipe head.

[0034] It should be noted that the male joint 2 includes a connecting rod 201 fixedly inserted into the inside of the oil conveying pipe 1, the top of the connecting rod 201 is fixedly connected with the connecting frame 202, the outside of the oil conveying pipe 1 movably sleeves the hex nut sleeve 203, and the side surface of the connecting frame 202 is in sliding fit with the inside of the hex nut sleeve 203.

[0035] By adopting the above technical scheme, the hex nut sleeve 203 can be rotated to fix the female joint 3 with the male joint 2.

[0036] It should be noted that the top of the connecting frame 202 is provided with the arc-shaped groove 207, and the inside of the arc-shaped groove 207 is provided with the annular groove 208.

[0037] By adopting the above technical scheme, the lower side of the female joint 3 has a larger disengagement area in the inside of the annular groove 208, and has higher adhesion.

[0038] It should be noted that the cross section of the female joint 3 is T-shaped, the lower side of the female joint 3 is arc-shaped, the lower side of the female joint 3 extends to the inside of the hex nut sleeve 203 and is fixedly provided with the silica gel ring 301, and the silica gel ring 301 is in sliding fit with the inside of the annular groove 208.

[0039] By adopting the above technical scheme, after the silica gel ring 301 moves to the inside of the annular groove 208, the sealing effect of the female joint 3 in the inside of the connecting frame 202 is facilitated.

[0040] It should be noted that the bottom of the connecting frame 202 is fixedly provided with the rubber ring 204, and the bottom of the rubber ring 204 is in contact with the bottom of the inner wall of the hex nut sleeve 203.

[0041] The rubber ring 204 can increase the sealing performance of the female joint 3 and the male joint 2 after being fixed.

[0042] It should be noted that the upper side of the side surface of the female joint 3 is provided with a hexagonal block 302, the bottom of the hexagonal block 302 is fixedly provided with a connecting ring 303, the bottom of the connecting ring 303 is fixedly provided with an O-shaped ring 304, the top of the hexagonal nut sleeve 203 is provided with an O-shaped groove 205, and the side surface of the O-shaped ring 304 is in sliding fit with the inside of the O-shaped groove 205.

[0043] The above technical scheme can increase the sealing effect between the hexagonal block 302 and the hexagonal nut sleeve 203 through the O-shaped ring 304 and the O-shaped groove 205.

[0044] It should be noted that the side surface of the hexagonal block 302 and the side surface of the hexagonal nut sleeve 203 are both provided with a plurality of anti-skid grooves 206, and the plurality of anti-skid grooves 206 are linearly arranged at equal intervals on the six side surfaces of the hexagonal block 302 and the hexagonal nut sleeve 203.

[0045] The above technical scheme can increase the anti-skid performance of the hexagonal nut sleeve 203 and the hexagonal block 302 when being fixed by a wrench.

[0046] It should be noted that the bottom of the inner wall of the arc-shaped groove 207 and the bottom of the female joint 3 are both flat and parallel to each other.

[0047] The above technical scheme can provide the female joint 3 with a larger area for the arc-shaped groove 207 with a flat bottom.

[0048] The above are preferred embodiments of the utility model, and the protection scope of the utility model is not limited thereto, so that: any equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A novel sealed oil pipe head, comprising an oil delivery pipe (1), characterized in that: A male connector (2) is fixedly connected to the top end of the oil delivery pipe (1), a female connector (3) is rotatably provided inside the male connector (2), and a threaded connection groove (4) is provided on the upper side of the inner wall of the female connector (3).

2. The novel sealed oil pipe head according to claim 1, characterized in that: The male connector (2) comprises a connecting rod (201), the connecting rod (201) being fixedly inserted into the interior of the oil pipeline (1), the top of the connecting rod (201) being fixedly connected to a connecting frame (202), the outer side of the oil pipeline (1) being movably sleeved with a hexagonal nut sleeve (203), and the side surface of the connecting frame (202) being slidably engaged with the interior of the hexagonal nut sleeve (203).

3. The novel sealed oil pipe head according to claim 2, characterized in that: An arc-shaped groove (207) is provided on the top of the connection frame (202), and an annular groove (208) is provided inside the arc-shaped groove (207).

4. The novel sealed oil pipe head according to claim 3, characterized in that: The cross-section of the female connector (3) is T-shaped, the lower side of the female connector (3) is arc-shaped, the lower side of the female connector (3) extends to the interior of the hexagonal nut sleeve (203) and is fixedly provided with a silicone ring (301), and the silicone ring (301) is slidably matched with the interior of the annular groove (208).

5. The novel sealed oil pipe head according to claim 2, characterized in that: A rubber ring (204) is fixedly provided at the bottom of the connection frame (202), and the bottom of the rubber ring (204) contacts the bottom of the inner wall of the hexagonal nut sleeve (203).

6. The novel sealed oil pipe head according to claim 2, characterized in that: A hexagonal block (302) is fixedly sleeved on the upper side of the side of the female connector (3), a connecting ring (303) is fixedly provided on the bottom of the hexagonal block (302), an O-ring (304) is fixedly provided on the bottom of the connecting ring (303), an O-shaped groove (205) is provided on the top of the hexagonal nut sleeve (203), and the side of the O-ring (304) is slidably matched with the inside of the O-shaped groove (205).

7. The novel sealed oil pipe head according to claim 6, characterized in that: The side surfaces of the hexagonal block (302) and the hexagonal nut sleeve (203) are both provided with a plurality of anti-slip grooves (206), and the plurality of anti-slip grooves (206) are respectively provided at equal distances and in a straight line on the six side surfaces of the hexagonal block (302) and the hexagonal nut sleeve (203).

8. The novel sealed oil pipe head according to claim 4, characterized in that: The bottom of the inner wall of the arc-shaped groove (207) and the bottom of the female connector (3) are both plane and parallel to each other.

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