Grease pressing device of grease barrel

Abstract

The utility model belongs to the technical field of butter machines, and particularly relates to a butter pressing device of a butter barrel, which comprises a barrel body, a barrel cover covered on the barrel body, a lead screw arranged at the bottom of the barrel cover, a lead screw sleeve arranged on the lead screw in a sliding manner and a butter pressing plate connected with the lead screw sleeve, the oil pressing plate is located in the barrel body and abuts against the inner wall of the barrel body, a control piece is arranged on the barrel cover and connected with the lead screw, the lead screw can be driven to rotate by rotating the control piece, after the lead screw rotates, the lead screw sleeve drives the oil pressing plate to move upwards along the lead screw, and an oil pressing spring is arranged between the oil pressing plate and the barrel cover. The two ends of the oil pressing spring abut against the oil pressing plate and the barrel cover respectively, the oil pressing spring can push the oil pressing plate and the lead screw sleeve to move downwards along the lead screw, the structure is simple, downward pressure can be applied to grease in the barrel body, and therefore it can be guaranteed that the grease pumping device can continuously discharge grease, and the grease cannot be attached to the inner wall of the barrel body.

Description

Technical Field

[0001] The utility model belongs to the technical field of butter machines, in particular to an oil pressing device for a butter barrel. Background Art

[0002] When many parts of mechanical equipment or motor vehicles are in frequent or high-speed operation, they generally need to be filled with butter or other grease to lubricate and maintain their moving parts after a certain period of operation to prevent high temperature and wear caused by friction between the two parts. Therefore, different types of grease machines are now available on the market, such as manual grease machines, pneumatic grease machines, electric grease machines, etc. Chinese patent CN202322242067.3, a grease machine with a double-piston oil supply mechanism, the oil supply principle of which is to allow the butter stored in the grease cavity to enter the oil pump body, and the drive motor is driven to work. The rotation of the eccentric shaft drives the double piston assembly to slide back and forth, and the piston assembly realizes the continuous operation of refueling and supplying oil in a front-and-rear manner, and finally the oil is discharged from the oil outlet nozzle connected to the oil outlet channel to realize the refueling work. However, since this electric grease machine does not have a separate oil pressure device, and the viscosity of the grease is high, its overall fluidity is poor, and it cannot ensure that the grease paddle on the eccentric shaft can scrape sufficient grease into the oil pump body every time it rotates, thereby unable to ensure continuous oil discharge from the grease machine, and the grease is easy to adhere to the inner wall of the grease cavity, resulting in the grease in the grease cavity not being fully utilized. Summary of the Invention

[0003] The purpose of the utility model is to provide an oil pressing device for a butter barrel with a simple structure, which can apply downward pressure to the butter in the barrel body, thereby ensuring that the oil extraction device can continuously discharge oil, preventing the butter from adhering to the inner wall of the barrel body, and making it easier and more labor-saving for the user to take the oil pressing plate out of the barrel body.

[0004] The purpose of this utility model is achieved in this way:

[0005] A butter barrel oil pressure device comprises a barrel body, a barrel cover covering the barrel body, a screw arranged at the bottom of the barrel cover, a screw sleeve slidably arranged on the screw and an oil pressure plate connected to the screw sleeve, an oil outlet is provided at the bottom of the barrel body, the oil pressure plate is located in the barrel body and abuts against the inner wall of the barrel body, a control member is provided on the barrel cover, the control member is connected to the screw, and rotating the control member can drive the screw to rotate. After the screw rotates, the screw sleeve drives the oil pressure plate to move upward along the screw, an oil pressure spring is provided between the oil pressure plate and the barrel cover, the two ends of the oil pressure spring respectively abut against the oil pressure plate and the barrel cover, and the oil pressure spring can push the oil pressure plate and the screw sleeve to move downward along the screw.

[0006] Furthermore, a mounting portion is provided on the oil pressure plate, a mounting hole is opened on the mounting portion, the screw sleeve is arranged in the mounting hole, the screw sleeve includes a one-way bearing, the one-way bearing includes an inner ring and an outer ring, the outer ring is fixedly connected to the mounting portion, and the inner ring is directly or indirectly threadedly connected to the screw.

[0007] Furthermore, a fixing groove is provided on the outer ring, a fixing block is provided on the inner wall of the mounting hole, the fixing block is arranged in the fixing groove, a clamping platform is protruding from the inner wall of the mounting hole, the clamping platform abuts against the lower surface of the outer ring, and a clamping groove is also provided on the inner wall of the mounting hole, a clamping ring is provided in the clamping groove, and the clamping ring abuts against the upper surface of the outer ring.

[0008] Furthermore, the screw sleeve also includes a threaded sleeve, the threaded sleeve is sleeved on the screw, and the inner ring is sleeved on the threaded sleeve and fixedly connected to the threaded sleeve.

[0009] Furthermore, a clamping block is protruding from the outer wall of the threaded sleeve, a clamping groove is provided on the inner wall of the inner ring, the clamping block is arranged in the clamping groove, an installation groove is provided on the outer wall of the threaded sleeve, a locking ring is provided in the installation groove, and the inner ring abuts against the locking ring.

[0010] Furthermore, the oil pressure spring is sleeved on the screw rod, the bottom of the barrel cover is provided with an abutment groove, the top end of the oil pressure spring is arranged in the abutment groove and abuts against the barrel cover, and the bottom end of the oil pressure spring is sleeved on the mounting portion.

[0011] Furthermore, a bearing groove is provided on the barrel cover, a rotating hole is provided at the bottom of the bearing groove, a connecting portion is provided at the top end of the screw rod, the top end of the connecting portion passes through the rotating hole and is exposed outside the barrel cover, a bearing is provided in the bearing groove, and the bearing sleeve is provided on the connecting portion, and the control part is a rotating handle, which is fixedly connected to the connecting portion, and the bottom end of the rotating handle abuts against the upper surface of the bearing.

[0012] Furthermore, a connecting groove is provided on the rotating handle, the connecting portion is arranged in the connecting groove, a through hole is provided on the rotating handle that passes through the connecting groove, a connecting hole is provided on the connecting portion, and a connecting rod is provided in the connecting hole and the through hole.

[0013] Furthermore, a limit platform is provided on the inner wall of the mounting hole, the bottom of the screw sleeve abuts against the limit platform, and a limit portion is provided at the bottom end of the screw, and the limit portion passes through the mounting hole and is located below the oil pressure plate. A limit plate is fixed on the limit portion, and the limit platform can abut against the limit plate.

[0014] Furthermore, an exhaust channel is provided in the screw rod, an exhaust rod is slidably provided in the exhaust channel, an exhaust hole is provided at the bottom of the connecting groove, the top of the exhaust rod passes through the exhaust hole and is exposed outside the screw rod, and a pulling block is provided at the top of the exhaust rod, an air inlet hole connected to the exhaust channel is provided on the screw rod, a step portion is provided in the exhaust channel, a sealing portion is provided at the bottom end of the exhaust rod, the bottom end of the sealing portion can be abutted against the step portion, and at this time the sealing portion blocks the air inlet hole, a limiting plate is provided on the exhaust rod, and a return spring is also provided in the exhaust channel, and the two ends of the return spring are respectively abutted against the limiting plate and the connecting groove.

[0015] Compared with the prior art, the present invention has the following outstanding and beneficial technical effects:

[0016] The utility model belongs to the technical field of butter machines, and particularly refers to an oil pressure device for a butter barrel, comprising a barrel body, a barrel cover covered on the barrel body, a screw rod arranged at the bottom of the barrel cover, a screw rod sleeve threadedly connected to the screw rod, and an oil pressure plate connected to the screw rod sleeve, and an oil outlet is provided at the bottom of the barrel body. When the butter in the barrel body is pumped out from the oil outlet by the oil pumping device, the butter in the barrel body will decrease, and since the screw rod sleeve threadedly connected to the screw rod is connected to the oil pressure plate, and the two ends of the oil pressure spring between the oil pressure plate and the barrel cover respectively abut against the oil pressure plate and the barrel cover, when the butter in the barrel body decreases, the oil pressure spring will apply downward pressure to the oil pressure plate, and the oil pressure plate will drive the screw rod sleeve to move downward along the screw rod, thereby causing the oil pressure plate to move downward together. Since the oil pressure plate is located in the barrel body and is connected to the barrel cover The inner wall of the barrel body abuts against each other, so that during the downward movement of the oil pressure plate, the oil pressure plate will scrape off the butter attached to the inner wall of the barrel body, so that the butter will not adhere to the inner wall of the barrel body, so that the butter in the barrel body can be fully utilized, and the oil pressure plate will always exert downward pressure on the butter in the barrel body under the action of the oil pressure spring, thereby ensuring that the oil extraction device can continue to discharge oil. Since the control part on the barrel cover is connected to the screw rod, when the butter in the barrel body is used up, the user can turn the control part to drive the screw sleeve on the screw rod to move upward along the screw rod. At this time, the oil pressure plate connected to the screw rod sleeve will move upward synchronously with the screw rod sleeve, so that the user does not need to lift the entire oil pressure device to remove the oil pressure plate from the barrel body, so that the oil pressure plate can be taken out of the barrel body more easily and labor-savingly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model in which the barrel cover is installed on the barrel body.

[0018] Figure 2 It is a cross-sectional view of the utility model in which the oil pressure plate is installed in the barrel body.

[0019] Figure 3 It is an exploded view of the oil pressing plate, barrel cover and barrel body of the utility model.

[0020] Figure 4 It is a three-dimensional diagram of the barrel body of the present utility model.

[0021] Figure 5 This is one of the exploded views of the oil pressure plate and the screw rod of the utility model.

[0022] Figure 6 This is the second exploded view of the oil pressure plate and the screw rod of the utility model.

[0023] Figure 7 It is an exploded view of the barrel cover and the screw rod of the utility model.

[0024] Figure 8 It is an exploded view of the screw rod and the control component of the utility model.

[0025] Figure 9 It is an exploded view of the screw rod and the control component of the utility model.

[0026] Figure 10 It is an exploded view of the screw rod and the exhaust rod of the utility model.

[0027] Figure 11 It is a structural schematic diagram of the oil pressure plate of the utility model.

[0028] Figure 12 yes Figure 11 A partial enlarged view of point A in the middle.

[0029] Figure 13 It is an exploded view of the oil pressure plate, the one-way bearing and the clamping ring of the utility model.

[0030] Figure 14 It is a structural diagram of the one-way bearing of the utility model.

[0031] Figure 15 It is an exploded view of the one-way bearing, threaded sleeve and locking ring of the utility model.

[0032] Figure 16 It is a cross-sectional view of the barrel body, oil pressure plate, barrel cover and screw rod of the utility model.

[0033] Figure 17 yes Figure 16 A partial enlarged view of point B in the middle.

[0034] Figure 18 It is a cross-sectional view of the barrel body, oil pressure plate, barrel cover and screw rod of the utility model.

[0035] The meaning of the numbers in the figure:

[0036] 1-barrel cover; 2-barrel body; 3-screw; 4-oil pressure plate; 5-screw sleeve; 6-control part;

[0037] 7-oil pressure spring; 8-mounting portion; 9-mounting hole; 10-one-way bearing; 11-inner ring; 12-outer ring;

[0038] 13-fixing groove; 14-fixing block; 15-clamping platform; 16-clamping groove; 17-clamping ring;

[0039] 18-threaded sleeve; 19-clamping block; 20-clamping groove; 21-mounting channel; 22-locking ring;

[0040] 23-abutment groove; 24-bearing groove; 25-rotation hole; 26-connecting portion; 27-bearing;

[0041] 29-connecting groove; 30-perforation; 31-connecting hole; 32-limiting platform;

[0042] 33-limiting part; 34-limiting plate; 35-oil outlet; 36-exhaust channel; 37-exhaust rod;

[0043] 38-exhaust hole; 39-pull block; 40-air inlet; 41-step portion; 42-blocking portion;

[0044] 43-limiting piece; 44-return spring. DETAILED DESCRIPTION

[0045] The present invention will be further described below in conjunction with specific embodiments:

[0046] The present invention belongs to the technical field of butter machines, and particularly refers to an oil-pressing device for a butter barrel, comprising a barrel body 2, a barrel cover 1 covering the barrel body 2, a screw rod 3 arranged at the bottom of the barrel cover 1, a screw rod sleeve 5 threadedly connected to the screw rod 3, and an oil pressure plate 4 connected to the screw rod sleeve 5, and an oil outlet 35 is provided at the bottom of the barrel body 2. When the butter in the barrel body 2 is extracted from the oil outlet 35 by the oil extraction device, the butter in the barrel body 2 will be reduced, and because the screw rod sleeve 5 threadedly connected to the screw rod 3 is connected to the oil pressure plate 4, and the two ends of the oil pressure spring 7 between the oil pressure plate 4 and the barrel cover 1 are respectively in contact with the oil pressure plate 4 and the barrel cover 1, when the butter in the barrel body 2 is reduced, the oil pressure spring 7 will apply downward pressure to the oil pressure plate 4, and the oil pressure plate 4 will drive the screw rod sleeve 5 to move downward along the screw rod 3, thereby causing the oil pressure plate 4 to move downward together. The oil pressure plate 4 is connected to the screw sleeve 5 and moves upward with the screw sleeve 5, so that the user does not need to lift the entire oil pressure device to remove the oil pressure plate from the barrel body 2, so that the oil pressure plate 4 can be taken out of the barrel body 2 more easily and labor-savingly.

[0047] Preferably, the oil pressure plate 4 is provided with a mounting portion 8, the mounting portion 8 is provided with a mounting hole 9, the screw sleeve 5 is arranged in the mounting hole 9, the screw sleeve 5 includes a one-way bearing 10, the one-way bearing 10 includes an inner ring 11 and an outer ring 12, the outer ring 12 is fixedly connected to the mounting portion 8, and the inner ring 11 is directly or indirectly threadedly connected to the screw rod 3; the mounting hole 9 on the mounting portion 8 enables the screw sleeve 5 to be installed on the oil pressure plate 4, and the screw sleeve 5 includes a one-way bearing 10, which is a common bearing 27 on the market. It can only rotate freely in one direction, and when rotating in the other direction, the one-way bearing 10 will enter a locked state, and the one-way bearing 10 is composed of an inner ring 11 and an outer ring 12, the outer ring 12 is fixedly connected to the mounting portion 8, and the inner ring 11 is directly or indirectly threadedly connected to the screw rod 3. When the user drives the screw rod 3 to rotate through the control member 6 When the one-way bearing 10 moves, the inner ring 11 and the outer ring 12 are in a locked state. At this time, the inner ring 11 will move upward along the screw rod 3, so that the one-way bearing 10 moves upward along the screw rod 3 as a whole, and the oil pressure plate 4 will move upward synchronously with the one-way bearing 10 through the outer ring 12, so that the oil pressure plate 4 can smoothly disengage from the barrel body 2, and when the oil pressure spring 7 pushes the oil pressure plate 4 to move downward, the inner ring 11 can rotate relative to the outer ring 12. When the inner ring 11 rotates, it will move downward along the screw rod 3, so that the one-way bearing 10 moves downward along the screw rod 3 as a whole, but the outer ring 12 will not rotate with the inner ring 11 during the downward movement of the one-way bearing 10, so that the oil pressure plate 4 connected to the outer ring 12 will not rotate during the downward movement, which can reduce the friction generated during the movement of the oil pressure plate 4 and make the downward movement of the oil pressure plate 4 smoother.

[0048] Preferably, a fixing groove 13 is provided on the outer ring 12, and a fixing block 14 is provided on the inner wall of the mounting hole 9. The fixing block 14 is arranged in the fixing groove 13. A clamping platform 15 is protruded from the inner wall of the mounting hole 9, and the clamping platform 15 abuts against the lower surface of the outer ring 12. A clamping groove 16 is also provided on the inner wall of the mounting hole 9, and a clamping ring 17 is provided in the clamping groove 16, and the clamping ring 17 abuts against the upper surface of the outer ring 12; when the screw rod 3 rotates, the inner ring 11 and the outer ring 12 are in a locked state, and the one-way bearing 10 as a whole will move upward along the screw rod 3. Since there is a clamping ring 17 in the clamping groove 16 on the inner wall of the mounting hole 9, the clamping ring 17 is installed in the clamping groove 16, so that the clamping ring 17 is not easy to disengage from the clamping Groove 16, and the clamping ring 17 abuts against the upper surface of the outer ring 12. When the outer ring 12 moves upward, the outer ring 12 will drive the clamping ring 17 to move upward together, and the clamping ring 17 will drive the oil pressure plate to move upward synchronously through the mounting portion 8, so that the oil pressure plate can move upward smoothly along the inner wall of the barrel body 2. When the oil pressure spring 7 pushes the oil pressure plate 4 to move downward, the inner ring 11 will move downward along the screw rod 3 after rotating, so that the one-way bearing 10 as a whole moves downward along the screw rod 3, and the outer ring 12 abuts against the clamping platform 15 on the inner wall of the mounting hole 9, so that the one-way bearing 10 can smoothly drive the oil pressure plate 4 to move downward, and the one-way bearing 10 abuts against the clamping platform 15, thereby limiting the one-way bearing 10 from escaping from the mounting hole 9.

[0049] Preferably, the screw sleeve 5 also includes a threaded sleeve 18, which is sleeved on the screw 3, and the inner ring 11 is sleeved on the threaded sleeve 18 and fixedly connected to the threaded sleeve 18; the inner ring 11 is threadedly connected to the screw 3 through the threaded sleeve 18, and when the screw 3 rotates, the threaded sleeve 18 will move downward along the screw 3, thereby smoothly driving the one-way bearing 10 to move downward as a whole, and when the oil pressure spring 7 pushes the oil pressure plate 4 to move downward, the threaded sleeve 18 will drive the screw 3 to rotate and move downward, and the one-way bearing 10 as a whole will move downward synchronously with the threaded sleeve 18, so that the one-way bearing 10 as a whole can move smoothly downward along the screw 3.

[0050] Preferably, the outer wall of the threaded sleeve 18 is protruded with a clamping block 19, the inner wall of the inner ring 11 is provided with a clamping groove 20, the clamping block 19 is arranged in the clamping groove 20, the outer wall of the threaded sleeve 18 is provided with a mounting groove 21, the mounting groove 21 is provided with a locking ring 22, and the inner ring 11 is in contact with the locking ring 22; since the clamping block 19 on the outer wall of the threaded sleeve 18 is arranged in the clamping groove 20 on the inner wall of the inner ring 11, when the threaded sleeve 18 moves along the screw rod After rotating and moving downward, the threaded sleeve 18 drives the inner ring 11 to rotate. Since a locking ring 22 is located in the mounting groove 21 on the outer wall of the threaded sleeve 18 and the locking ring 22 abuts against the upper surface of the inner ring 11, the threaded sleeve 18 can drive the locking ring 22 to move downward synchronously when it moves downward, and the locking ring 22 drives the inner ring 11 to move downward, thereby allowing the one-way bearing 10 to move downward smoothly as a whole, so that the oil pressure plate 4 can apply pressure to the butter in the barrel 2.

[0051] Preferably, the oil pressure spring 7 is sleeved on the screw rod 3, and an abutment groove 23 is provided at the bottom of the barrel cover 1. The top end of the oil pressure spring 7 is arranged in the abutment groove 23 and abuts against the barrel cover 1, and the bottom end of the oil pressure spring 7 is sleeved on the mounting portion 8; thereby limiting the arbitrary movement of the oil pressure spring 7, so that the oil pressure spring 7 can be stably sleeved on the screw rod 3.

[0052] Preferably, a bearing groove 24 is provided on the barrel cover 1, a rotating hole 25 is provided at the bottom of the bearing groove 24, a connecting portion 26 is provided at the top of the screw rod 3, the top of the connecting portion 26 passes through the rotating hole 25 and is exposed outside the barrel cover 1, a bearing 27 is provided in the bearing groove 24, the bearing 27 is sleeved on the connecting portion 26, the control member 6 is a rotating handle, the rotating handle is fixedly connected to the connecting portion 26, and the bottom end of the rotating handle abuts against the upper surface of the bearing 27; the setting of the rotating hole 25 makes the connection at the top of the screw rod 3 The part 26 can be smoothly exposed outside the barrel cover 1, and the bearing 27 in the bearing groove 24 is sleeved on the connecting part 26 at the top of the screw rod 3. The setting of the bearing 27 sleeve can make the screw rod 3 rotate more smoothly, and the control part 6 is a common rotating handle on the market. The rotating handle is fixedly connected to the connecting part 26 at the top of the screw rod 3, so that the user can drive the screw rod 3 to rotate by rotating the handle, making the rotation of the screw rod 3 easier and more labor-saving, and the bottom of the rotating handle abuts against the upper surface of the bearing 27, thereby limiting the bearing 27 from escaping from the bearing groove 24.

[0053] Preferably, a connecting groove 29 is provided on the rotating handle, and the connecting part 26 is arranged in the connecting groove 29. A through hole 30 is provided on the rotating handle that passes through the connecting groove 29. A connecting hole 31 is provided on the connecting part 26, and a connecting rod is provided in the connecting hole 31 and the through hole 30; the rotating handle is fixedly connected to the connecting part 26 through the connecting hole 31 and the connecting rod in the through hole 30, and the connecting part 26 is arranged in the connecting groove 29 of the rotating handle, so that the connection between the connecting part 26 and the rotating handle is more stable and firm.

[0054] Preferably, a limit platform 32 is provided on the inner wall of the mounting hole 9, and the bottom of the screw sleeve 5 abuts against the limit platform 32. A limit portion 33 is provided at the bottom end of the screw rod 3, and the limit portion 33 passes through the mounting hole 9 and is located below the oil pressure plate 4. A limit plate 34 is fixed on the limit portion 33, and the limit platform 32 can abut against the limit plate 34; the bottom of the screw sleeve 5 abuts against the limit platform 32 on the inner wall of the mounting hole 9, so that the screw sleeve 5 can be stably installed in the mounting hole 9, and the limit plate 34 is provided on the limit portion 33 at the bottom end of the screw rod 3, and the limit plate 34 can abut against the limit platform 32, thereby limiting the oil pressure plate from being separated from the screw rod 3, so that the oil pressure device can be used normally.

[0055] Preferably, an exhaust channel 36 is provided in the screw rod 3, an exhaust rod 37 is slidably provided in the exhaust channel 36, an exhaust hole 38 is provided at the bottom of the connecting groove, the top of the exhaust rod 37 passes through the exhaust hole 38 and is exposed outside the screw rod 3, and a pulling block 39 is provided at the top of the exhaust rod 37, an air inlet 40 connected to the exhaust channel 36 is provided on the screw rod 3, a step portion 41 is provided in the exhaust channel 36, and a blocking portion 42 is provided at the bottom end of the exhaust rod 37, the bottom end of the blocking portion 42 can abut against the step portion 41, and at this time the blocking portion 42 blocks the air inlet 40, and the exhaust rod 37 is provided with an air inlet 40. A limit piece 43 is provided, and a return spring 44 is also provided in the exhaust channel 36. The two ends of the return spring 44 are respectively in contact with the limit piece 43 and the connecting groove; the exhaust hole 38 at the bottom of the connecting groove allows the top of the exhaust rod 37 to pass through the exhaust hole 38 smoothly and be exposed outside the screw rod 3, and the exhaust rod 37 and the exhaust hole 38 are not in a tightly fitting state, so that air can be discharged smoothly from the exhaust hole 38. When there is excess air remaining in the barrel body 2, the user can pull the pulling block 39 at the top of the exhaust rod 37 to move the exhaust rod 37 upward, and the setting of the pulling block 39 makes it convenient for the user to control the exhaust rod 37 to move upward When the exhaust rod 37 moves upward, the blocking portion 42 at the bottom of the exhaust rod 37 will release the blockage of the air inlet hole 40 on the exhaust rod 37, and a gap will be left between the blocking portion 42 and the inner wall of the exhaust channel 36, so that the air in the barrel body 2 enters the exhaust channel 36 through the air inlet hole 40 and is discharged from the exhaust hole 38 at the bottom of the connecting groove, so that the oil pressure spring 7 can smoothly drive the oil pressure plate 4 to move downward, so that the oil pressure plate 4 can fully apply downward pressure to the butter in the barrel body 2, avoiding the air in the barrel body 2 affecting the normal pressure of the oil pressure plate 4, and because the two ends of the return spring 44 in the exhaust channel 36 They are respectively in contact with the limit piece 43 on the exhaust rod 37 and the bottom of the connecting groove. When the exhaust rod 37 moves upward, the limit piece 43 will move upward synchronously with the exhaust rod 37, so that the return spring 44 enters a compressed state. When the air in the barrel body 2 is exhausted, the user releases the pull block 39, and the compressed return spring 44 will drive the exhaust rod 37 to move downward through the limit piece 43. Finally, the bottom end of the sealing portion 42 on the exhaust rod 37 will abut against the step portion 41 in the exhaust channel 36, thereby limiting the exhaust rod 37 from disengaging from the exhaust channel 36, and at this time the sealing portion 42 will re-block the air inlet 40.

[0056] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. An oil pressure device for a butter barrel, comprising a barrel body (2), a barrel cover (1) covering the barrel body (2), a screw rod (3) arranged at the bottom of the barrel cover (1), a screw rod sleeve (5) threadedly connected to the screw rod (3), and an oil pressure plate (4) connected to the screw rod sleeve (5), characterized in that: An oil outlet (35) is provided below the barrel body (2), the oil pressure plate (4) is located inside the barrel body (2) and abuts against the inner wall of the barrel body (2), a control member (6) is provided on the barrel cover (1), the control member (6) is connected to the screw rod (3), and the screw rod (3) can be driven to rotate by rotating the control member (6). After the screw rod (3) rotates, the screw rod sleeve (5) drives the oil pressure plate (4) to move upward along the screw rod (3), and an oil pressure spring (7) is provided between the oil pressure plate (4) and the barrel cover (1). The two ends of the oil pressure spring (7) are respectively abutted against the oil pressure plate (4) and the barrel cover (1), and the oil pressure spring (7) can push the oil pressure plate (4) and the screw rod sleeve (5) to move downward along the screw rod (3).

2. The oil pressing device for a butter barrel according to claim 1, characterized in that: The oil pressure plate (4) is provided with a mounting portion (8), the mounting portion (8) is provided with a mounting hole (9), the screw sleeve (5) is arranged in the mounting hole (9), the screw sleeve (5) includes a one-way bearing (10), the one-way bearing (10) includes an inner ring (11) and an outer ring (12), the outer ring (12) is fixedly connected to the mounting portion (8), and the inner ring (11) is directly or indirectly threadedly connected to the screw (3).

3. The oil pressing device for a butter barrel according to claim 2, characterized in that: A fixing groove (13) is provided on the outer ring (12), a fixing block (14) is provided on the inner wall of the mounting hole (9), and the fixing block (14) is arranged in the fixing groove (13). A clamping platform (15) is protruded from the inner wall of the mounting hole (9), and the clamping platform (15) abuts against the lower surface of the outer ring (12). A clamping groove (16) is also provided on the inner wall of the mounting hole (9), and a clamping ring (17) is provided in the clamping groove (16), and the clamping ring (17) abuts against the upper surface of the outer ring (12).

4. The oil pressing device for a butter barrel according to claim 2, characterized in that: The screw sleeve (5) further comprises a threaded sleeve (18), wherein the threaded sleeve (18) is sleeved on the screw (3), and the inner ring (11) is sleeved on the threaded sleeve (18) and fixedly connected to the threaded sleeve (18).

5. The oil pressing device for a butter barrel according to claim 4, characterized in that: A clamping block (19) is protruding from the outer wall of the threaded sleeve (18), a clamping groove (20) is provided on the inner wall of the inner ring (11), the clamping block (19) is arranged in the clamping groove (20), a mounting groove (21) is provided on the outer wall of the threaded sleeve (18), a locking ring (22) is provided in the mounting groove (21), and the inner ring (11) is in contact with the locking ring (22).

6. The oil pressing device for a butter barrel according to any one of claims 2 to 5, characterized in that: The oil pressure spring (7) is sleeved on the screw rod (3); a contact groove (23) is provided at the bottom of the barrel cover (1); the top end of the oil pressure spring (7) is arranged in the contact groove (23) and contacts the barrel cover (1); and the bottom end of the oil pressure spring (7) is sleeved on the mounting portion (8).

7. The oil pressing device for a butter barrel according to any one of claims 1 to 5, characterized in that: The barrel cover (1) is provided with a bearing groove (24), a rotating hole (25) is provided at the bottom of the bearing groove (24), a connecting portion (26) is provided at the top end of the screw rod (3), the top end of the connecting portion (26) passes through the rotating hole (25) and is exposed outside the barrel cover (1), a bearing (27) is provided in the bearing groove (24), and the bearing (27) is sleeved on the connecting portion (26), and the control member (6) is a rotating handle, which is fixedly connected to the connecting portion (26), and the bottom end of the rotating handle abuts against the upper surface of the bearing (27).

8. The oil pressing device for a butter barrel according to claim 7, characterized in that: The rotating handle is provided with a connecting groove (29), the connecting portion (26) is arranged in the connecting groove (29), the rotating handle is provided with a through hole (30) penetrating the connecting groove (29), the connecting portion (26) is provided with a connecting hole (31), and a connecting rod is provided in the connecting hole (31) and the through hole (30).

9. The oil pressing device for a butter barrel according to claim 2, characterized in that: The inner wall of the mounting hole (9) is provided with a limiting platform (32), the bottom of the screw sleeve (5) is in contact with the limiting platform (32), the bottom end of the screw rod (3) is provided with a limiting portion (33), the limiting portion (33) passes through the mounting hole (9) and is located below the oil pressure plate (4), a limiting plate (34) is fixed on the limiting portion (33), and the limiting platform (32) can be in contact with the limiting plate (34).

10. The oil pressing device for a butter barrel according to claim 8, characterized in that: An exhaust channel (36) is provided in the screw rod (3), an exhaust rod (37) is slidably provided in the exhaust channel (36), an exhaust hole (38) is provided at the bottom of the connecting groove (29), the top end of the exhaust rod (37) passes through the exhaust hole (38) and is exposed outside the screw rod, and a pulling block (39) is provided at the top end of the exhaust rod (37), an air inlet (40) connected to the exhaust channel (36) is provided on the screw rod, and the exhaust channel (36) is provided with an exhaust rod (38). A step portion (41) is provided, and a blocking portion (42) is provided at the bottom end of the exhaust rod (37). The bottom end of the blocking portion (42) can abut against the step portion (41), and at this time, the blocking portion (42) blocks the air inlet (40). A limiting piece (43) is provided on the exhaust rod (37), and a return spring (44) is also provided in the exhaust channel (36). The two ends of the return spring (44) respectively abut against the limiting piece (43) and the connecting groove (29).

Images