Lubricating oil detection sampling device

Abstract

The utility model relates to a lubricating oil detecting and sampling device, which belongs to the technical field of lubricating oil detection and comprises an oil pumping pipe, an oil pumping cavity, a piston, an oil pumping rod and a hand pressing mechanism, a limiting sleeve sleeved on the outer wall of a barrel opening is fixed on the outer side wall of the oil pumping pipe, and a supporting sleeve is fixed on the oil pumping pipe on the upper portion of the limiting sleeve. Square sliding rods are fixed to the left side and the right side of the outer side wall of the supporting sleeve, the sliding rods are sleeved with sliding sleeves, locking bolts are arranged on the sliding sleeves, connecting arm rods are fixed to the bottoms of the sliding sleeves, and arc-shaped clamping plates matched with the outer side wall of the oil drum are fixed to the inner sides of the bottoms of the connecting arm rods. The supporting sleeve is arranged outside the oil pumping pipe, and the supporting rods, the sliding sleeves, the locking bolts, the connecting arm rods and the clamping plates are arranged on the left side and the right side of the outer side wall of the supporting sleeve, so that the oil pumping pipe can be clamped and fixed to the outer side wall of an oil barrel, and when the hand pressing mechanism is pressed for oil pumping, the oil pumping pipe is better supported and prevented from crushing a barrel opening; and the sealing at the barrel opening is influenced.

Description

Technical Field

[0001] The utility model relates to a lubricating oil detection sampling device, belonging to the technical field of lubricating oil detection. Background Art

[0002] Lubricating oil is the lubricating medium of mechanical equipment and is widely used in various mechanical equipment. Some lubricating oils are filled into large metal oil drums. Sometimes, the lubricating oil in the large oil drums is sampled and tested, which uses a sampling device. The current sampling device includes a sampling cylinder, which is equipped with a sampling piston and a lifting rod. The lifting rod is connected to the pressing handle, and the sampling cylinder is connected to the sampling tube. The sampling cylinder is covered at the barrel mouth on the top of the large metal oil drum. The piston is driven by the lifting and pressing handle to perform sampling. However, when the lifting and pressing handle is pulled, the sampling cylinder and the barrel mouth will be subjected to a large extrusion force, which is easy to damage the barrel mouth, affect the sealing of the barrel mouth and the barrel cover, and easily cause lubricating oil leakage. Utility Model Content

[0003] The utility model provides a lubricating oil detection sampling device to solve the problems existing in the above-mentioned background technology.

[0004] The utility model relates to a lubricating oil detection sampling device, comprising an oil extraction pipe extending into a barrel mouth of an oil barrel, an oil extraction cavity and a piston being arranged in the oil extraction pipe, the piston being connected to an oil extraction rod, the oil extraction rod being connected to a hand pressure mechanism, a limiting sleeve being sleeved on the outer wall of the barrel mouth being fixed on the outer wall of the oil extraction pipe, a supporting sleeve being fixed on the upper part of the limiting sleeve, square sliding rods being fixed on the left and right sides of the outer wall of the supporting sleeve, a sliding sleeve being sleeved on the sliding rod, a locking bolt being arranged on the sliding sleeve, a connecting arm being fixed on the bottom of the sliding sleeve, an arc-shaped clamping plate cooperating with the outer wall of the oil barrel being fixed on the inner side of the bottom of the connecting arm, and an oil outlet pipe being arranged on the oil extraction pipe.

[0005] As a preferred embodiment, a fastening bolt is provided on the support sleeve to facilitate loosening the support sleeve and adjusting the height position of the support sleeve.

[0006] As a preferred embodiment, the bottom of the pumping pipe is threadedly connected to the pumping cylinder, the pumping chamber is arranged in the pumping cylinder, the piston is fixed to the bottom of the pumping rod, the lower end of the pumping rod is provided with a pumping hole connected to the pumping chamber, the lower end of the pumping hole is provided with a one-way valve, the top of the pumping chamber is provided with a sealing sleeve to seal it, the upper part of the pumping pipe is provided with a temporary storage chamber, and the upper part of the temporary storage chamber is connected to the oil outlet pipe. The piston is fixed to the bottom of the pumping rod by bolts, which is convenient for disassembly, replacement and cleaning of the piston. In addition, the pumping cylinder can be unscrewed to facilitate replacement of the sealing sleeve.

[0007] As a preferred embodiment, a mounting groove is provided at the bottom of the sucker tube, a mounting boss matched with the mounting groove is provided on the outer side of the top of the sucker tube, the mounting boss is threadedly installed in the mounting groove, a guide ring sleeved on the sucker rod is provided in the mounting groove, an embedding groove for installing a sealing sleeve is provided at the top of the sucker tube, the sealing sleeve is sleeved on the sucker rod, and the top of the sealing sleeve contacts the bottom of the guide ring. The guide ring can guide the lower end of the sucker rod to facilitate the piston to enter the pumping chamber, and the sealing sleeve is pressed by the guide ring to prevent the sealing sleeve from moving up and down with the sucker rod.

[0008] As a preferred embodiment, a closing plate for closing the temporary storage cavity is provided at the top of the sucker pipe, and the top of the sucker rod passes through the closing plate. The hand pressure mechanism includes a hand pressure rod hinged to the top of the sucker rod, and the hand pressure rod is hinged with a support rod, which is fixed to the upper outer wall of the sucker pipe to facilitate lifting the sucker rod.

[0009] As a preferred embodiment, a sealing ring 1 is provided at the contact point between the closing plate and the pumping pipe, a sealing ring 2 is provided at the contact point between the pumping pipe below the temporary storage cavity and the pumping rod, and a sealing gasket is provided between the closing plate and the pumping pipe, so as to achieve a better sealing effect.

[0010] As a preferred embodiment, a plurality of oil inlets are provided on the outer wall of the oil pumping cylinder below the oil pumping chamber, and filters are provided on the oil inlets to facilitate the lubricating oil to enter the oil pumping chamber and filter impurities to prevent blockage.

[0011] The utility model has the following beneficial effects:

[0012] By arranging a support sleeve on the outside of the oil extraction pipe, support rods, sliding sleeves, locking bolts, connecting arms and clamps are provided on the left and right sides of the outer wall of the support sleeve, which can be clamped and fixed on the outer wall of the oil drum, so that when the hand pressure mechanism is pressed to extract oil, the oil extraction pipe can be better supported to prevent the oil extraction pipe from damaging the barrel mouth and affecting the sealing at the barrel mouth. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0014] Figure 2 for Figure 1 Schematic diagram of some structures;

[0015] Figure 3 It is a structural schematic diagram of the oil pumping pipe;

[0016] Figure 4 for Figure 3 A partial cross-sectional structural schematic diagram;

[0017] In the figure: 1. oil drum; 2. splint; 3. connecting arm; 4. sliding rod; 5. oil pumping pipe; 6. oil outlet pipe; 7. support rod; 8. hand pressure rod; 9. temporary storage chamber; 10. support sleeve; 11. sliding sleeve; 12. limit sleeve; 13. sucker rod; 14. pumping cylinder; 15. oil inlet; 16. closing plate; 17. oil pumping hole; 18. piston; 19. one-way valve; 20. guide ring; 21. sealing sleeve. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with embodiments.

[0019] Embodiment 1, as Figures 1 to 4 As shown, the utility model is a lubricating oil detection sampling device, including an oil extraction pipe 5 extending into the barrel mouth of an oil barrel 1, an oil extraction chamber and a piston 18 are arranged in the oil extraction pipe 5, the piston 18 is connected to a sucker rod 13, the sucker rod 13 is connected to a hand pressure mechanism, a limiting sleeve 12 which is sleeved on the outer wall of the barrel mouth is fixed on the outer wall of the oil extraction pipe 5, a supporting sleeve 10 is fixed on the upper part of the limiting sleeve 12, square sliding rods 4 are fixed on the left and right sides of the outer wall of the support sleeve 10, a sliding sleeve 11 is sleeved on the sliding rod 4, a locking bolt is arranged on the sliding sleeve 11, a connecting arm 3 is fixed to the bottom of the sliding sleeve 11, a circular arc-shaped clamping plate 2 which cooperates with the outer wall of the oil barrel 1 is fixed to the inner side of the bottom of the connecting arm 3, and an oil outlet pipe 6 is arranged on the oil extraction pipe 5.

[0020] When in use, loosen the locking bolt, move the sliding sleeve 11 to the outer end of the sliding rod 4, then put the oil extraction pipe 5 into the barrel mouth of the oil barrel 1, and put the limiting sleeve 12 on the outer wall of the barrel mouth, then move the sliding sleeve 11 so that the clamping plate 2 is clamped on the outer wall of the oil barrel 1, and then tighten the locking bolt, and the oil extraction rod 13 can be pulled back and forth by the hand pressure mechanism to extract the lubricating oil from the oil barrel 1, and then the lubricating oil is discharged from the oil outlet pipe 6 to complete the sampling.

[0021] Embodiment 2, based on embodiment 1, fastening bolts are provided on the support sleeve 10. An anti-skid rubber layer is fixed on the inner wall of the clamping plate 2.

[0022] The bottom of the pumping pipe 5 is threadedly connected with the pumping cylinder 14, the pumping chamber is set in the pumping cylinder 14, the piston 18 is fixed to the bottom of the pumping rod 13, the lower end of the pumping rod 13 is provided with a pumping hole 17 connected to the pumping chamber, the lower end of the pumping hole 17 is provided with a one-way valve 19, the top of the pumping chamber is provided with a sealing sleeve 21 for sealing it, and the upper part of the pumping pipe 5 is provided with a temporary storage chamber 9, and the upper part of the temporary storage chamber 9 is connected to the oil outlet pipe 6. When the pumping rod 13 descends, it will move downward out of the pumping chamber with the piston 18, at this time, the lubricating oil will enter from the bottom of the pumping chamber, and at this time, the one-way valve 19 will prevent the lubricating oil in the pumping hole 17 from returning to the pumping chamber, and then the pumping rod 13 rises, bringing the piston 18 into the pumping chamber and squeezing the lubricating oil in the pumping chamber. At this time, the pressure in the pumping chamber rises, and the lubricating oil will be pressed to open the one-way valve 19 and enter the pumping hole 17, and then enter the temporary storage chamber 9.

[0023] A mounting groove is provided at the bottom of the sucker tube 5, and a mounting boss matching the mounting groove is provided on the outer side of the top of the sucker tube 14. The mounting boss is threadedly installed in the mounting groove. A guide ring 20 is provided in the mounting groove and is sleeved on the sucker rod 13. An embedding groove for installing a sealing sleeve 21 is provided on the top of the sucker tube 14. The sealing sleeve 21 is sleeved on the sucker rod 13, and the top of the sealing sleeve 21 contacts the bottom of the guide ring 20.

[0024] A closing plate 16 for closing the temporary storage chamber 9 is provided at the top of the pumping pipe 5, and the top of the pumping rod 13 passes through the closing plate 16. The hand-pressing mechanism includes a hand-pressing rod 8 hinged to the top of the pumping rod 13, and the hand-pressing rod 8 is hinged to a support rod 7, which is fixed to the upper outer wall of the pumping pipe 5. Lifting the hand-pressing rod 8 upward will drive the pumping rod 13 to move downward, and pressing the hand-pressing rod 8 downward will drive the pumping rod 13 to move upward.

[0025] A sealing ring 1 is provided at the contact point between the closing plate 16 and the pumping pipe 5 , a sealing ring 2 is provided at the contact point between the pumping pipe 5 below the temporary storage chamber 9 and the pumping rod 13 , and a sealing gasket is provided between the closing plate 16 and the pumping pipe 5 .

[0026] A plurality of oil inlets 15 are provided on the outer wall of the oil pumping cylinder 14 below the oil pumping chamber. A filter screen is provided on the oil inlet 15 , and a filter screen is also provided at the bottom of the oil pumping cylinder 14 .

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0028] In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "upper", "lower", "top", "bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

Claims

1. A lubricating oil detection sampling device, comprising an oil extraction pipe (5) extending into the barrel mouth of an oil barrel (1), wherein the oil extraction pipe (5) is provided with an oil extraction chamber and a piston (18), wherein the piston (18) is connected to an oil extraction rod (13), and wherein the oil extraction rod (13) is connected to a hand pressure mechanism, wherein: A limiting sleeve (12) sleeved on the outer wall of the barrel mouth is fixed on the outer wall of the oil pumping pipe (5), a support sleeve (10) is fixed on the upper part of the limiting sleeve (12), square sliding rods (4) are fixed on both sides of the outer wall of the support sleeve (10), a sliding sleeve (11) is sleeved on the sliding rod (4), a locking bolt is provided on the sliding sleeve (11), a connecting arm (3) is fixed on the bottom of the sliding sleeve (11), and an arc-shaped clamping plate (2) matched with the outer wall of the oil barrel (1) is fixed on the inner side of the bottom of the connecting arm (3), and an oil outlet pipe (6) is provided on the oil pumping pipe (5).

2. A lubricating oil detection sampling device according to claim 1, characterized in that: The support sleeve (10) is provided with fastening bolts.

3. A lubricating oil detection sampling device according to claim 1, characterized in that: The bottom of the oil pumping pipe (5) is threadedly connected to an oil pumping cylinder (14), an oil pumping chamber is arranged in the oil pumping cylinder (14), a piston (18) is fixed to the bottom of the oil pumping rod (13), an oil pumping hole (17) communicating with the oil pumping chamber is arranged at the lower end of the oil pumping rod (13), a one-way valve (19) is arranged at the lower end of the oil pumping hole (17), a sealing sleeve (21) is arranged at the top of the oil pumping chamber to seal it, and a temporary storage chamber (9) is arranged at the upper part of the oil pumping pipe (5), and the upper part of the temporary storage chamber (9) is connected to the oil outlet pipe (6).

4. A lubricating oil detection sampling device according to claim 3, characterized in that: The bottom of the sucker tube (5) is provided with a mounting groove, the top outer side of the sucker tube (14) is provided with a mounting boss that matches the mounting groove, the mounting boss is threadedly installed in the mounting groove, a guide ring (20) that is sleeved on the sucker rod (13) is provided in the mounting groove, and the top of the sucker tube (14) is provided with an embedding groove for installing a sealing sleeve (21), the sealing sleeve (21) is sleeved on the sucker rod (13), and the top of the sealing sleeve (21) contacts the bottom of the guide ring (20).

5. A lubricating oil detection sampling device according to claim 3, characterized in that: A closing plate (16) for closing the temporary storage chamber (9) is provided at the top of the sucker pipe (5), and the top of the sucker rod (13) passes through the closing plate (16). The hand pressing mechanism comprises a hand pressing rod (8) hinged to the top of the sucker rod (13), and the hand pressing rod (8) is hinged to a support rod (7), and the support rod (7) is fixed to the upper outer wall of the sucker pipe (5).

6. A lubricating oil detection sampling device according to claim 5, characterized in that: A sealing ring 1 is provided at the contact point between the closing plate (16) and the oil pumping pipe (5), a sealing ring 2 is provided at the contact point between the oil pumping pipe (5) below the temporary storage chamber (9) and the oil pumping rod (13), and a sealing gasket is provided between the closing plate (16) and the oil pumping pipe (5).

7. A lubricating oil detection sampling device according to claim 3, characterized in that: A plurality of oil inlets (15) are provided on the outer wall of the oil pumping cylinder (14) below the oil pumping chamber, and a filter screen is provided on the oil inlet (15).

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