Airtight storage device with hand oil pump

Abstract

The application discloses a closed storage device with a hand oil pump, which comprises a box body, a box cover covering the top end of the box body, a handle fixed to the upper end surface of the box cover, a first partition plate arranged at the lower part of the inner cavity of the box body, a second partition plate arranged at the upper part of the inner cavity of the box body, an oil discharge valve arranged at the lower part of the side wall of the box body and communicated with the inner cavity of the box body, a hand oil pump arranged in the box body and the first partition plate and the second partition plate, and a receiving part arranged on the first partition plate, so that the oil pump is positioned and placed in the box body, and management is facilitated. During storage, residual oil in the oil pump slowly flows into the oil storage and collection part at the bottom of the device, air moisture and dust are prevented from being adsorbed during storage of the oil pump, the problem of contaminated oil is solved, the problem of oil gas volatilization is reduced, the risk of accumulation of combustible gas in the air is avoided, and good safety benefits and quality benefits are achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of industrial lubricating oil technology, in particular to a closed storage device with a hand oil pump. BACKGROUND

[0002] The hand oil pump is a commonly used tool in the industrial lubricating oil industry. Industrial lubricating oil has extremely high cleanliness, and improper storage can cause the oil pump to be contaminated by dust and other impurities in the air, affecting the quality of the lubricating oil and causing quality problems. Generally, lubricating oil is a Class C combustible material, and improper storage can cause lubricating oil overflow or evaporation, which poses a safety hazard and risk. The storage of the hand oil pump not only affects the lubrication management of the equipment, but also is related to safety. Therefore, the hand oil pump needs a suitable storage device.

[0003] In the prior art, some are directly placed on shelves or use simple hand oil pump storage barrels. No matter which technology is used, it will cause the oil inside the lubricating oil pump to drip everywhere, not only polluting the environment, but also causing the floor to be slippery, which is easy to cause personnel to slip and fall and other safety hazards. In addition, open storage also causes the volatile light components in the lubricating oil to evaporate, which can easily cause the volatile combustible material in the storage area to exceed the standard, causing a fire hazard. Open storage also causes moisture and dust in the air to be absorbed by the oil pump, which contaminates the oil product when used next time, causing the quality of the lubricating oil to decrease. SUMMARY

[0004] In view of the above, the present application aims to overcome the shortcomings of the prior art and provide a closed storage device with a hand oil pump, which is convenient for users to use and can adapt to different use scenarios.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical solution: a closed storage device with a hand oil pump, comprising a box body and a box cover covering the top end of the box body, a handle is fixed to the upper end face of the box cover, a first partition plate is arranged at the lower part of the inner cavity of the box body, a second partition plate is arranged at the upper part of the inner cavity of the box body, and a drain valve communicating with the inner cavity of the box body is arranged at the lower part of the side wall of the box body;

[0006] A plurality of holes arranged at equal intervals are formed in the first partition plate, a plurality of receiving members arranged at equal intervals are arranged on the upper end face of the first partition plate, a plurality of sockets arranged at equal intervals are formed in the second partition plate, the sockets correspond to the receiving members, a hand oil pump is arranged at the upper part of the inner cavity of the box body, the hand oil pump is connected with a first pipeline at one end and a second pipeline at the other end, the first pipeline penetrates the socket and is connected with the receiving member, and the second pipeline is curved and located above the second partition plate;

[0007] A sealing member is further inserted into the socket.

[0008] Further, the receiving member penetrates both ends and extends to the lower end face of the first partition plate at one end and is provided with a first annular groove at the other end, and the first annular groove is lapped with the lower end face of the first pipeline.

[0009] Further, the sealing member is a rubber piston, and a top end diameter of the sealing member is greater than a diameter of the spout.

[0010] Further, the sealing member comprises a first rod body and a second rod body, a surface of the second rod body is provided with threads, and the second rod body is fixed to an upper end surface of the first rod body and can be screwed with a lower part of an inner cavity of the first pipe, and a channel is formed through the second rod body and the first rod body.

[0011] Further, a moving groove is formed in the inner cavity of the first pipe, a rod body is fixed in the moving groove, and a shielding piece is sleeved on the rod body and covers the channel.

[0012] Further, a second ring groove is formed at a joint of the first rod body and the second rod body, a sliding plate is slidably connected in the second ring groove, a sliding groove is formed in a side wall of the second ring groove, a sliding block is slidably connected in the sliding groove, a resilient rope is fixed to one end of the sliding block and fixed to a side wall of the sliding groove, and a pulling rope is fixed to the other end of the sliding block and fixed to a side wall of the shielding piece in the inner cavity of the moving groove.

[0013] Further, a placing opening is formed in an outer wall of the first rod body, a plug rod is inserted in the inner cavity of the placing opening, the plug rod is fixed to a bottom wall of the placing opening through a spring, a rope is fixed to a connecting end of the plug rod and the spring and extends into the inner cavity of the second ring groove and is connected with the sliding plate, and a connecting opening is formed in an inner wall of the spout and can be inserted with the plug rod.

[0014] Further, a liquid discharging groove is formed in a bottom wall of the second ring groove, clamping plates are arranged on two side walls of the liquid discharging groove, a first sealing piece is attached to upper end surfaces of the clamping plates, a second sealing piece is arranged on an upper end surface of the first sealing piece, a connecting piece is fixed to a middle part between the first sealing piece and the second sealing piece, filter screens are arranged on two sides between the first sealing piece and the second sealing piece, a side wall of the second sealing piece is closely attached to the liquid discharging groove, lap pieces are fixed to two sides of an upper end surface of the second sealing piece, the two lap pieces are provided with first inclined openings in side walls thereof.

[0015] Further, a side wall of the sliding plate is provided with an open mouth extending to a lower end surface of the sliding plate, butt pieces are fixed to two side walls of the open mouth, and second inclined openings corresponding to the first inclined openings are formed in left and right sides of the butt pieces.

[0016] Further, a rubber plate is fixed to an upper end surface of the first sealing piece, the rubber plate is in a 1-shaped form and covers the filter screens, an elastic band is fixed to a contact surface of the rubber plate and the second sealing piece, and a cavity is formed at a bending part of the rubber plate.

[0017] Compared with the prior art, the present application has obvious advantages and beneficial effects, specifically, as known from the above technical scheme, the hand-operated oil pump, the first partition plate and the second partition plate are arranged in the box body, and the receiving member is arranged on the first partition plate, so that the oil pump is positioned and placed in the box body, which is convenient for management, and during storage, the residual oil in the oil pump slowly flows into the oil storage and collection part at the bottom of the device, avoiding the adsorption of moisture and dust in the air during storage of the oil pump, solving the problem of contaminated oil, reducing the problem of oil gas volatilization, avoiding the risk of accumulation of flammable gas in the air, and achieving good safety benefits and quality benefits.

[0018] In order to more clearly set forth the structural features and effects of the present application, the present application will be described in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a schematic diagram of the overall structure of an embodiment of the present application;

[0020] Figure 2 is a schematic diagram of the box body structure of an embodiment of the present application;

[0021] Figure 3 is a connection diagram of the first partition plate and the second partition plate of an embodiment of the present application;

[0022] Figure 4 is a sectional view of the second partition plate of an embodiment of the present application;

[0023] Figure 5 is a schematic diagram of the sealing member of an embodiment of the present application;

[0024] Figure 6 is a connection diagram of the sealing member and the first pipeline of an embodiment of the present application;

[0025] Figure 7 is a sectional view of the sealing member of an embodiment of the present application;

[0026] Figure 8 is a sectional view and movement diagram of the sealing member of an embodiment of the present application;

[0027] Figure 9 is a sectional view of the sealing member of an embodiment of the present application;

[0028] Figure 10 is an enlarged view of A of the embodiment of the present application; Figure 7

[0029] Figure 11 is a connection diagram of the first sealing sheet and the second sealing sheet of an embodiment of the present application;

[0030] Figure 12 is a schematic diagram of the sliding plate of an embodiment of the present application;​

[0031] Figure 13 is an embodiment of the present application Figure 11 is an enlarged view of B of the

[0032] The drawings are as follows:

[0033] Box 1, box cover 2, handle 3, first partition 4, second partition 5, oil drain valve 6, hand oil pump 7, sealing element 8;

[0034] Hole 41, receiving element 42, spigot 43, first annular groove 44;

[0035] First pipe 71, second pipe 72;

[0036] First rod 81, second rod 82, channel 83, moving groove 84, rod 85, shielding piece 86, second annular groove 87, sliding plate 88, sliding groove 89;

[0037] Placement opening 811, plug rod 812, spring 813, rope 814, connecting opening 815;

[0038] Liquid discharge groove 871, clamping plate 872, first sealing piece 873, second sealing piece 874, connecting piece 875, filter screen 876, lapping piece 877, first inclined opening 878;

[0039] Open mouth 881, abutting piece 882, second inclined opening 883;

[0040] Sliding block 891, elastic rope 892, pull rope 893;

[0041] Rubber plate 8741, rubber band 8742, cavity 8743. DETAILED DESCRIPTION

[0042] Embodiment one

[0043] Please refer to Figures 1 to 3As shown in the drawings, which show the specific structure of the preferred embodiment of the application, it is a sealed storage device with a hand oil pump, comprising a box body 1 and a box cover 2 covering the top end of the box body 1, the upper end surface of the box cover 2 is fixed with a handle 3, which facilitates the user to remove the box cover 2 from the box body 1, the lower part of the inner cavity of the box body 1 is provided with a first partition plate 4, the first partition plate 4 is fixed on the inner wall of the box body 1, and a plurality of equidistantly arranged holes 41 are penetrated through the first partition plate 4, and a receiving member 42 is fixed, the receiving member 42 can be a hollow cylindrical body, which facilitates the clamping of the first pipeline 71, the upper part of the inner cavity of the box body 1 is fixed with a second partition plate 5, the second partition plate 5 is provided with a socket 43 corresponding to the receiving member 42, the first pipeline 71 can pass through the socket 43, the first pipeline 71 is connected with the input end of the hand oil pump 7, the hand oil pump 7 is located on the upper end of the second partition plate 5, and the output end of the hand oil pump 7 is connected with the second pipeline 72, so that the user can use the hand oil pump 7 to pump out the oil in the box body 1, and the lower part of the side wall of the box body 1 is provided with a drain valve 6 communicating with the inner cavity of the box body 1, which facilitates the user to clean the inner wall of the box body 1.

[0044] Referring to Figure 2 As shown in the drawings, at this time, because the socket 43 on the second partition plate 5 for the first pipeline 71 to pass through contains a plurality of, the user can use a plurality of hand oil pumps 7 to extract the oil in the box body 1, but because the socket 43 on the second partition plate 5 is provided, and the user can use the hand oil pump 7 after the box cover 2 is removed from the box body 1, the external dust is easy to enter the box body 1 through the socket 43 to pollute the oil.

[0045] Therefore, the sealing member 8 is inserted into the socket 43, the sealing member 8 is a rubber piston, the diameter of the top end of the sealing member 8 is greater than the diameter of the socket 43, at this time, although the use of the hand oil pump 7 can avoid the pollution of the oil in the box body 1 by the external dust, but each time the sealing member 8 is inserted and removed, and placed, the sealing member 8 is easy to be lost due to the user's carelessness, and when the device is used, dust will also accumulate on the second partition plate 5, and when the external oil is poured into the box body 1, the dust will also enter the box body 1 with the oil, causing pollution to the oil.

[0046] Embodiment two

[0047] This embodiment is based on the improvement of the sealing member 8 in embodiment one to solve the problem that the sealing member 8 is easy to be lost and the dust enters with the oil when the oil is poured into the box body 1.

[0048] Referring to Figure 5As shown in the figure, the sealing member 8 is composed of a first rod 81 and a second rod 82, the second rod 82 is smaller than the first rod 81 and is fixed on the upper end surface of the first rod 81, and the diameter of the second rod 82 is the same as the inner diameter of the first pipe 71, that is, the second rod 82 can be inserted into the first pipe 71. In order to ensure that the second rod 82 will not be separated from the first pipe 71, a thread is formed on the outer wall of the second rod 82 and the inner wall of the first pipe 71. At this time, the first pipe 71 can be limited by rotating the second rod 82, so that the sealing member 8 will not fall off when the first pipe 71 moves towards the inner cavity of the box 1.

[0049] Referring to Figure 7 As shown in the figure, but at this time, the connection mode of the sealing member 8 and the socket 43 is plug-in, and does not contain other connection modes, so that the first pipe 71 cannot be connected with the second rod 82 by twisting. Therefore, a placing hole 811 is formed around the first rod 81, and a spring 813 is fixed in the placing hole 811. One end of the spring 813 is fixed with a plug rod 812, and the other end of the plug rod 812 extends to the outside of the first rod 81 and is plugged into a connecting hole 815 formed in the inner wall of the socket 43. At this time, due to the plug-in of the plug rod 812 and the socket 43, the first rod 81 is limited, providing space for the twisting of the first pipe 71.

[0050] Referring to Figure 7 As shown in the figure, but after the first pipe 71 is connected with the second rod 82 by twisting, the sealing member 8 needs to move downwards along the socket 43 to directly contact with the receiving member 42. However, due to the plug-in of the plug rod 812 and the connecting hole 815, the sealing member 8 cannot move. Therefore, a second ring groove 87 is formed at the connection between the upper end of the first rod 81 and the second rod 82, and a sliding plate 88 is slidably connected in the second ring groove 87. A rope 814 is fixed on the sliding plate 88, and the rope 814 is fixed with the plug rod 812. Therefore, the first pipe 71 can move by pushing the sliding plate 88, so that the plug rod 812 is retracted into the placing hole 811. However, when the lower end surface of the first pipe 71 is a complete plane, it is not easy to move the sliding plate 88. Therefore, a cut-off hole is formed on the lower end surface of the first pipe 71, and the length of the cut-off hole is consistent with the length of the sliding plate 88. When the first pipe 71 rotates along the thread on the second rod 82, the side wall of the cut-off hole can resist the sliding plate 88, so that the sliding plate 88 moves.

[0051] At this time, although the sealing member 8 can be separated from the socket 43, the sealing member 8 also blocks the inner cavity of the first pipe 71, so that the liquid in the box 1 cannot enter the first pipe 71. Therefore, a through channel 83 is formed on the first rod 81 and the second rod 82, so that when the hand oil pump 7 is used, the oil in the box 1 can normally enter the first pipe 71 through the channel 83.

[0052] Referring to Figure 8 and Figure 9As shown, but because of the opening of the channel 83, the sealing element 8 does not have a dustproof effect, therefore, a moving groove 84 is opened in the first rod body 81, the moving groove 84 is located beside the channel 83, a rod body 85 is fixed in the moving groove 84, a shielding piece 86 is sleeved on the rod body 85, and the shielding piece 86 can cover the channel 83, at this time, the dustproof problem of the sealing element 8 can be solved by covering the channel 83 by the shielding piece 86, in addition, in order to enable the shielding piece 86 to cover or move away from the channel 83 when the first pipe 71 rotates, a pull rope 893 is fixed on one side of the shielding piece 86, and the pull rope 893 is fixed with a sliding plate 88.

[0053] Referring to Figure 10 As shown, at this time, the sealing element 8 can be closed and penetrated with the first pipe 71 according to the change of the state of the first pipe 71, but when the user pours oil into the box body 1 and accumulates on the second partition plate 5, the oil cannot enter the box body 1 through the spout 43, therefore, a drainage groove 871 is opened in the bottom wall of the second ring groove 87, the drainage groove 871 is communicated with the channel 83, because the upper end surface of the first rod body 81 is parallel to the upper end surface of the second partition plate 5, the oil accumulated on the second partition plate 5 can enter the channel 83 along the drainage groove 871.

[0054] Referring to Figure 11 As shown, but when the oil on the second partition plate 5 enters the drainage groove 871, because of the lack of filtering, the dust on the second partition plate 5 enters the box body 1 along with the oil, which pollutes the original oil in the box body 1, therefore, clamping plates 872 are fixed on the inner walls of both sides of the drainage groove 871, the two clamping plates 872 have a gap therebetween, and the upper end surfaces of the two clamping plates 872 are overlapped with a first sealing piece 873, the upper end surface of the first sealing piece 873 is fixedly connected with a connecting piece 875, the upper end surface of the connecting piece 875 is fixedly connected with a second sealing piece 874, and the two side surfaces between the first sealing piece 873 and the second sealing piece 874 are fixedly connected with a filter screen 876, and the surface of the filter screen 876 is attached to the inner wall of the drainage groove 871, so that when the oil passes through the drainage groove 871, it will be filtered by the filter screen 876.

[0055] Referring to Figure 11 and 12As shown, the upper and lower ends of the filter screen 876 need to be fixed, so the second sealing piece 874 will close the upper end of the liquid discharge groove 871, so that the liquid cannot enter the liquid discharge groove 871. Therefore, the overlapping piece 877 is fixed on both sides of the upper end surface of the second sealing piece 874, and the first inclined opening 878 is formed on the overlapping piece 877. The overlapping piece 877 has two, in order to ensure that the overlapping piece 877 can change with the change of the sliding plate 88, the first inclined opening 878 on the two overlapping pieces 877 is arranged, one is located on the upper end surface of the overlapping piece 877, and the inclined direction is downward, and the other is located on the lower end surface of the overlapping piece 877, and the inclined direction is upward. At this time, because the overlapping piece 877 can be connected with the bottom wall of the second ring groove 87, in order to ensure that it can change with the change of the sliding plate 88, the opening 881 is formed on the side wall of the sliding plate 88 and penetrates to the lower end surface of the sliding plate 88. The two side walls parallel to the lower end surface of the sliding plate 88 are fixed with the butt joint piece 882, and the gap between the two butt joint pieces 882 is consistent with the second sealing piece 874. The butt joint piece 882 can be connected with the butt joint piece 882, and the two ends of the butt joint piece 882 are also provided with the second inclined opening 883 corresponding to the first inclined opening 878. The second inclined opening 883 on the butt joint piece 882 is opposite to the first inclined opening 878, so that when the sliding plate 88 rotates forward around the second ring groove 87, the butt joint piece 882 abuts against the upper end surface of the overlapping piece 877, so that the second sealing piece 874 seals the liquid discharge groove 871, and the corresponding state of the sealing piece 8 is that it moves into the cavity of the box 1 and contacts the receiving piece 42. When the sliding plate 88 reverses around the second ring groove 87, the butt joint piece 882 lifts the overlapping piece 877 upward, so that the second sealing piece 874 moves upward, and the filter screen 876 contacts the inner cavity of the second ring groove 87, so that the oil accumulated on the second partition plate 5 can enter the channel 83 through the filter screen 876. At this time, the corresponding state of the sealing piece 8 is that it is limited in the opening 43.

[0056] Referring to Figure 13 As shown, at this time, the oil accumulated on the second partition plate 5 can enter the liquid discharge groove 871 through the filter screen 876, but when oil is not needed to enter the box 1, air containing dust can enter the liquid discharge groove 871 through the filter screen 876 under the blowing of the airflow, or block the filter screen 876 to reduce the filtering effect of the filter screen 876. Therefore, the rubber plate 8741 is attached to the opposite side of the two filter screens 876. The lower end of the rubber plate 8741 is fixed with the upper end surface of the first sealing piece 873, and the upper end of the rubber plate 8741 is fixed with the lower end surface of the second sealing piece 874 through the rubber band 8742. The rubber plate 8741 is in the shape of 1, and the bending part is located on the lower end surface of the second sealing piece 874. The cavity 8743 is formed on the rubber plate 8741, so that when there is no accumulated solution on the second partition plate 5, the cavity 8743 in the rubber plate 8741 cannot be filled with the air, and the air cannot pass through the filter screen 876 through the rubber plate 8741.

[0057] In addition, the first rod body 81 is tightly fitted with the inner cavity of the socket 43 to increase the friction between the first rod body 81 and the socket 43 when the first rod body 81 rotates, so that the first rod body 81 can provide certain resistance when the first pipe 71 reversely rotates and separates from the second rod body 82.

[0058] The above is only the preferred embodiment of the present application, and does not limit the technical scope of the present application. Any slight modification, equivalent change and modification of the above embodiment according to the technical essence of the present application still belongs to the scope of the technical solution of the present application.

Claims

1. A sealed storage device with a hand-cranked oil pump, characterized in that: Includes a box body (1) and a box cover (2) covering the top of the box body (1). A handle (3) is fixed on the upper surface of the box cover (2). A first partition (4) is provided in the lower part of the inner cavity of the box body (1). A second partition (5) is provided in the upper part of the inner cavity of the box body (1). An oil drain valve (6) communicating with the inner cavity of the box body (1) is provided in the lower part of one side wall of the box body (1). The first partition (4) has holes (41) arranged at equal intervals through it. The upper surface of the first partition (4) is provided with a support member (42) arranged at equal intervals. The second partition (5) has a socket (43) arranged at equal intervals through it. The socket (43) corresponds to the support member (42). A hand-cranked oil pump (7) is provided in the upper part of the inner cavity of the box (1). One end of the hand-cranked oil pump (7) is connected to a first pipe (71), and the other end is connected to a second pipe (72). The first pipe (71) passes through the socket (43) and is connected to the support member (42). The second pipe (72) is curved and located above the second partition (5). A sealing element (8) is also inserted into the socket (43); The receiving part (42) is through at both ends, with one end extending to the lower end face of the first partition (4) and the other end having a first annular groove (44) that overlaps with the lower end face of the first pipe (71). The sealing element (8) includes a first rod (81) and a second rod (82). The second rod (82) has threads on its surface and is fixed to the upper end face of the first rod (81). The second rod (82) can be threaded to the lower part of the inner cavity of the first pipe (71). A channel (83) passes through the second rod (82) and the first rod (81). The first pipe (71) has a movable groove (84) in its inner cavity. A rod (85) is fixed in the movable groove (84). A shield (86) is sleeved on the rod (85) and covers the channel (83). A second annular groove (87) is provided at the connection between the first rod (81) and the second rod (82). A sliding plate (88) is slidably connected in the second annular groove (87). A sliding groove (89) is provided on one side wall of the second annular groove (87). A slider (891) is slidably connected in the sliding groove (89). An elastic rope (892) is fixed at one end of the slider (891). The elastic rope (892) is fixed to one side wall of the sliding groove (89). A pull rope (893) is fixed at the other end of the slider (891). The pull rope (893) extends into the inner cavity of the moving groove (84) and is fixed to one side wall of the shield (86). The first rod body (81) has a placement opening (811) on its outer wall. A rod (812) is inserted into the inner cavity of the placement opening (811). One end of the rod (812) is fixed to the bottom wall of the placement opening (811) by a spring (813). A rope (814) is fixed to the connection end of the rod (812) and the spring (813). The rope (814) extends to the inner cavity of the second annular groove (87) and is connected to the slide plate (88). The inner wall of the insertion opening (43) has a connection opening (815) that can be inserted into the rod (812).

2. The sealed storage device with a hand-cranked oil pump according to claim 1, characterized in that: The sealing element (8) is a rubber piston, and the diameter of the top of the sealing element (8) is larger than the diameter of the socket (43).

3. A sealed storage device with a hand-cranked oil pump according to claim 2, characterized in that: The bottom wall of the second annular groove (87) is provided with a drain groove (871), which is connected to the channel (83). The inner walls of both sides of the drain groove (871) are provided with clamps (872). The upper surfaces of the two clamps (872) are fitted with a first sealing sheet (873). The upper surface of the first sealing sheet (873) is provided with a second sealing sheet (874). A connecting piece (875) is fixed in the middle between the first sealing sheet (873) and the second sealing sheet (874). Filter screens (876) are provided on both sides between the first sealing sheet (873) and the second sealing sheet (874). The side wall of the second sealing sheet (874) is tightly fitted with the drain groove (871). Two overlapping pieces (877) are fixed on both sides of the upper surface of the second sealing sheet (874). The side wall of both overlapping pieces (877) is provided with a first inclined opening (878).

4. A sealed storage device with a hand-cranked oil pump according to claim 3, characterized in that: The sidewall of the slide plate (88) has an opening (881) extending to the lower end face of the slide plate (88). The two sidewalls of the opening (881) are fixed with a mating piece (882). The left and right sides of the mating piece (882) are provided with a second inclined opening (883) corresponding to the first inclined opening (878).

5. A sealed storage device with a hand-cranked oil pump according to claim 4, characterized in that: A rubber plate (8741) is fixed on the upper end face of the first sealing sheet (873). The rubber plate (8741) is in the shape of a line and covers the filter screen (876). A rubber band (8742) is fixed on the contact surface between the rubber plate (8741) and the second sealing sheet (874). A cavity (8743) is opened at the bend of the rubber plate (8741).

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