CN114148936A

CN114148936A - Jack device

Info

Publication number: CN114148936A
Application number: CN202111425265.2A
Authority: CN
Inventors: 陆关贤
Original assignee: Hangzhou Rhino Machinery Co ltd
Current assignee: Hangzhou Rhino Machinery Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-03-08
Anticipated expiration: 2041-11-26
Also published as: CN114148936B

Abstract

The invention discloses a jack device, which has the technical scheme that: including the urceolus, still include: the inner cylinder is vertically connected with the outer cylinder in a sliding manner; the screw rod is rotatably connected in the outer cylinder through a bearing and is in threaded connection with the inner cylinder; the power structure is used for driving the screw to rotate; the connecting disc is fixed at the bottom end of the inner cylinder; the pressing structure is arranged on the outer cylinder and used for pressing the outer cylinder to prevent the outer cylinder from sliding; and a lubricating structure which acts with the power structure to lubricate the screw. When the jack device is used, the screw rod is driven to rotate by the power structure, the outer cylinder is driven to slide outside the inner cylinder, and the lifting function is realized; in addition, rely on compact structure can improve the self-locking ability of this jack, rely on the lubricating structure who sets up to realize carrying out alternate lubrication to the screw when power structure drives the screw rotation.

Description

Jack device

Technical Field

The invention relates to the field of jacks, in particular to a jack device.

Background

The jack is provided with a mechanical type and a hydraulic type. The jack is mainly used for the departments of factories, mines, transportation, logistics and the like as the work of vehicle repair, other hoisting, supporting and the like. The structure is light, firm, flexible and reliable, and can be carried and operated by one person. The jacks are divided into a mechanical jack, a hydraulic jack and an inflatable jack, and the principles are different. In principle, the mechanical jack adopts a mechanical principle, a common handle is pulled repeatedly, a claw pushes a ratchet wheel to rotate in a clearance mode, a bevel pinion drives a bevel pinion to rotate a lifting screw rod, and therefore a lifting sleeve rises or falls to achieve the function of lifting tension. But is not as simple as a hydraulic jack. The principle on which hydraulic jacks are based is the pascal principle. The hydraulic jack is divided into a vertical jack and a horizontal jack.

The prior publication No. CN104176688B discloses a jack safety device, a jack with the jack safety device, a horizontal jack, a vertical jack and a use method of the jack. The safety device includes: the lifting jack comprises a rack, a supporting rod and a releasing device, wherein a plurality of teeth are arranged on the rack, the rack is used for being fixed on a jack base, one end of the supporting rod is a pointed end so as to be clamped with the teeth on the rack, the other end of the supporting rod is provided with a hole which is connected with a supporting rod pivot, and the releasing device is used for releasing the clamping of the supporting rod and the rack.

The above patent uses a rack and pinion to achieve the lifting purpose, has low bearing capacity, does not have a locking structure, and cannot realize the function of lubricating in linkage in the process of mechanically controlling the lifting.

Disclosure of Invention

In view of the problems mentioned in the background, it is an object of the present invention to provide a jack device to solve the problems mentioned in the background.

The technical purpose of the invention is realized by the following technical scheme:

a jack device, includes the urceolus, still includes:

the inner cylinder is vertically connected with the outer cylinder in a sliding manner;

the screw rod is rotatably connected in the outer cylinder through a bearing and is in threaded connection with the inner cylinder;

the power structure is used for driving the screw to rotate;

the connecting disc is fixed at the bottom end of the inner cylinder;

the pressing structure is arranged on the outer cylinder and used for pressing the outer cylinder to prevent the outer cylinder from sliding;

and a lubricating structure which acts with the power structure to lubricate the screw.

By adopting the technical scheme, when in use, the jack device drives the screw rod to rotate by virtue of the power structure, and drives the outer cylinder to slide outside the inner cylinder, so that the lifting function is realized; in addition, rely on compact structure can improve the self-locking ability of this jack, rely on the lubricating structure who sets up to realize carrying out alternate lubrication to the screw when power structure drives the screw rotation.

Preferably, the power structure comprises a support shaft, a first bevel gear, a second bevel gear, a handle rod and a handle, the support shaft is rotatably connected in the outer barrel through a bearing, the first bevel gear is fixed at the top end of the screw rod, the second bevel gear is fixed outside the support shaft, the first bevel gear and the second bevel gear are meshed with each other, the handle rod is fixed at the end part of the support shaft through a pin, and the handle is fixed on the handle rod.

Through adopting above-mentioned technical scheme, when the operator rotated the handle on the handle pole, it can drive first conical gear and rotate, can drive the screw rod through the meshing of first conical gear and second conical gear and go up and down to realize going up and down to increase the purpose.

Preferably, the compression structure comprises a supporting disk, a supporting column, a sliding chute, a first spring, a sliding column, an end seat and a pressing handle, wherein the supporting disk is fixed on the outer barrel through a bolt, the supporting column is fixed on the supporting disk, the sliding chute is arranged in the supporting column, the sliding column is connected in the sliding chute in a sliding mode, the first spring is connected between the sliding column and the wall of the sliding chute, the end seat is fixed at the end of the sliding column, the pressing handle is connected with the end seat in a rotating mode, and a rotating shaft on the pressing handle is eccentrically arranged.

Through adopting above-mentioned technical scheme, after adjusting urceolus to suitable height, can rotate and press the handle for press the handle to compress tightly urceolus and inner tube, the first spring in the spout can pull the traveller, makes traveller and end seat keep certain tensioning, improves locking effect.

Preferably, the lubricating structure comprises a sealing cover, a storage box, a storage cavity, a groove, a plunger, a second spring, a first flow passage, a second flow passage, a plunger and a notch groove, the sealing cover is clamped at the top end of the outer barrel, the storage box is fixed at one side of the sealing cover close to the inner barrel, the storage cavity is arranged in the storage box, the groove is arranged in the storage box and communicated with the storage cavity, the plunger is connected in the groove in a sliding manner, the second spring is connected between the end part of the plunger and the wall of the storage cavity, the first flow passage is arranged in the plunger, two ends of the first flow passage penetrate through the plunger, one end of the first flow passage is arranged on the central axis of the plunger, the other end of the first flow passage is arranged on the annular wall of the plunger, the second flow passage is arranged in the storage box, and one end of the second flow passage is communicated with the groove, the other end of the second flow channel is arranged at the end part of the storage box, the ejection column is fixed on the support shaft, and the notch groove is formed in the storage box and used for the ejection column to swing and insert.

Through adopting above-mentioned technical scheme, when the back shaft rotated, it can drive the fore-set and swing to the opening inslot, with the vertical promotion of stopper post in the recess to compress the second spring and warp, make first runner and second runner realize once the intercommunication, make the lubricating oil of storage intracavity in the storage box flow through first runner and second runner, rely on the action of power structure to realize once leaking the lubrication.

Preferably, a first pipeline is fixedly communicated with the storage box, the first pipeline is connected with a second pipeline through a connecting sleeve in a threaded manner, and one end of the second pipeline is connected with a sealing plug in a threaded manner.

Through adopting above-mentioned technical scheme, can conveniently pour into lubricating oil into in the storage box through first pipeline and second pipeline through utilizing first pipeline and second pipeline.

Preferably, the outer cylinder comprises a middle part and two end parts, the two end parts are respectively fixed with the middle part through bolts, and a polytetrafluoroethylene ring is arranged on an outer ring of the middle part.

By adopting the technical scheme, the polytetrafluoroethylene ring on the middle part can reduce the friction force of the mutual sliding of the inner cylinder and the outer cylinder.

Preferably, the screw rod is rotatably connected to the outside of the bearing seat, a sliding plate is fixed on the bearing seat, and a channel for allowing one end of the sliding plate to vertically slide is formed in the outer barrel.

Through adopting above-mentioned technical scheme, utilize the cooperation of slide and channel can improve the screw rod urceolus guide effect when going up and down, improve the gliding stability of urceolus.

Preferably, a connecting column is fixed to the top of the connecting disc, the connecting column is clamped to the bottom end of the inner cylinder and fixedly connected with the inner cylinder through a plurality of bolts, and a protective sleeve is arranged at the bottom end of the inner cylinder.

Through adopting above-mentioned technical scheme, utilize the spliced pole can make things convenient for being connected of connection pad and inner tube fixed, the protective sheath can shelter from the tip.

Preferably, a connecting plate is fixed on the outer cylinder through bolts, an overhanging ring or a mounting plate is fixed on the connecting plate, a plurality of pin holes are formed in the overhanging ring, and a plurality of flange holes are formed in the mounting plate.

By adopting the technical scheme, the outer extending ring is fixed on the connecting plate, and can be clamped into an external rod piece for fixing, so that the stability of the outer barrel fixed outside the rod piece can be improved; when the mounting plate is adopted, the stability of the outer cylinder when being fixed on the plate can be improved.

In summary, the invention mainly has the following beneficial effects:

when the jack device is used, the screw rod is driven to rotate by the power structure, the outer cylinder is driven to slide outside the inner cylinder, and the lifting function is realized; in addition, rely on compact structure can improve the self-locking ability of this jack, rely on the lubricating structure who sets up to realize carrying out alternate lubrication to the screw when power structure drives the screw rotation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is one of the structural cross-sectional views of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a second cross-sectional view of the present invention;

FIG. 5 is a third sectional view of the present invention;

FIG. 6 is a partial enlarged view of FIG. 5 at B;

FIG. 7 is a schematic structural diagram of an embodiment of the present invention;

fig. 8 is a second schematic structural diagram of an embodiment of the present invention.

Reference numerals: 1. an outer cylinder; 11. an inner barrel; 12. a screw; 2. a power structure; 13. a connecting disc; 3. a compression structure; 4. a lubrication structure; 21. a support shaft; 22. a first bevel gear; 23. a second bevel gear; 24. a handle bar; 25. a handle; 31. a support disc; 32. a support pillar; 33. a chute; 34. a first spring; 35. a traveler; 36. an end seat; 37. pressing the handle; 41. sealing the cover; 42. a storage box; 43. a storage chamber; 44. a groove; 45. a plug; 46. a second spring; 471. a first flow passage; 472. a second flow passage; 48. a top pillar; 49. a notch groove; 421. a first pipeline; 422. a second pipeline; 423. connecting sleeves; 111. an intermediate portion; 112. an end portion; 121. a slide plate; 122. a channel; 131. connecting columns; 132. a protective sleeve; 51. a connecting plate; 52. an overhanging ring; 53. mounting a plate; 521. a pin hole is penetrated; 531. and (4) flange holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, a jack device includes an outer cylinder 1, and further includes the following: an inner cylinder 11 vertically connected with the outer cylinder 1 in a sliding manner; a screw 12 connected in the outer cylinder 1 through a bearing in a rotating way, and the screw 12 is in threaded connection with the inner cylinder 11; the power structure 2 is used for driving the screw 12 to rotate; a connecting disc 13 fixed at the bottom end of the inner cylinder 11; a pressing structure 3 arranged on the outer cylinder 1 for pressing the outer cylinder 1 to prevent the outer cylinder 1 from sliding; and the follower structure 2 acts as a lubrication structure 4 that lubricates the screw 12.

Referring to fig. 1-3, when the jack device is used, the power structure 2 drives the screw 12 to rotate, so as to drive the outer cylinder 1 to slide outside the inner cylinder 11, and thus, the lifting function is realized; in addition, rely on compact structure 3 can improve the self-locking ability of this jack, rely on lubricating structure 4 that sets up to realize carrying out alternate lubrication to screw 12 when power structure 2 drives screw 12 and rotates.

Referring to fig. 2 and 3, the power structure 2 includes a support shaft 21, a first bevel gear 22, a second bevel gear 23, a handle 24 and a handle 25, the support shaft 21 is rotatably connected in the outer cylinder 1 through a bearing, the first bevel gear 22 is fixed at the top end of the screw 12, the second bevel gear 23 is fixed outside the support shaft 21, the first bevel gear 22 and the second bevel gear 23 are engaged with each other, the handle 24 is fixed at the end 112 of the support shaft 21 through a pin, the handle 25 is fixed on the handle 24, when an operator rotates the handle 25 on the handle 24, the operator can drive the first bevel gear 22 to rotate, and the screw 12 can be driven to ascend and descend through the engagement of the first bevel gear 22 and the second bevel gear 23, so as to achieve the purpose of ascending and descending.

Referring to fig. 1 and 4, the pressing structure 3 includes a supporting plate 31, a supporting column 32, a sliding chute 33, a first spring 34, a sliding column 35, an end seat 36 and a pressing handle 37, the supporting plate 31 is fixed on the outer cylinder 1 through a bolt, the supporting column 32 is fixed on the supporting plate 31, the sliding chute 33 is arranged in the supporting column 32, the sliding column 35 is connected in the sliding chute 33 in a sliding manner, the first spring 34 is connected between the sliding column 35 and a groove wall of the sliding chute 33, the end seat 36 is fixed with an end portion 112 of the sliding column 35, the pressing handle 37 is rotatably connected with the end seat 36, a rotating shaft on the pressing handle 37 is eccentrically arranged, after the outer cylinder 1 is adjusted to a proper height, the pressing handle 37 can be rotated, so that the pressing handle 37 can press the outer cylinder 1 and the inner cylinder 11, the first spring 34 in the sliding chute 33 can pull the sliding column 35, so that the sliding column 35 and the end seat 36 maintain a certain tension, and the locking effect is improved.

Referring to fig. 3, 5 and 6, the lubricating structure 4 includes a cover 41, a storage box 42, a storage chamber 43, a groove 44, a plug 45, a second spring 46, a first flow channel 471, a second flow channel 472, a top post 48 and a notch groove 49, the cover 41 is fastened to the top end of the outer cylinder 1, the storage box 42 is fixed to one side of the cover 41 close to the inner cylinder 11, the storage chamber 43 is opened in the storage box 42, the groove 44 is opened in the storage box 42 and communicated with the storage chamber 43, the plug 45 is slidably connected in the groove 44, the second spring 46 is connected between the end 112 of the plug 45 and the wall of the storage chamber 43, the first flow channel 471 is opened in the plug 45, two ends of the first flow channel 471 penetrate through the plug 45, one end of the first flow channel 471 is arranged on the central axis of the plug 45, the other end of the first flow channel 471 is arranged on the annular wall of the plug 45, the second flow channel 472 is opened in the storage box 42, one end of the second flow channel 472 is communicated with the groove 44, the other end of the second flow channel 472 is arranged at the end part 112 of the storage box 42, the top pillar 48 is fixed on the support shaft 21, the notch groove 49 is arranged in the storage box 42 for the swing insertion of the top pillar 48, when the support shaft 21 rotates, the support shaft can drive the top pillar 48 to swing into the notch groove 49, the plug 45 in the groove 44 is vertically pushed, and the second spring 46 is compressed to deform, so that the first flow channel 471 and the second flow channel 472 are communicated once, the lubricating oil in the storage cavity 43 in the storage box 42 flows out through the first flow channel 471 and the second flow channel 472, and point leakage lubrication is realized by the action of the primary power structure 2.

Referring to fig. 3, 5 and 6, a first pipeline 421 is fixed on the storage box 42 in a communicating manner, the first pipeline 421 is connected with a second pipeline 422 through a connecting sleeve 423 in a threaded manner, one end of the second pipeline 422 is connected with a plug in a threaded manner, and lubricating oil can be conveniently injected into the storage box 42 through the first pipeline 421 and the second pipeline 422 by using the first pipeline 421 and the second pipeline 422.

Referring to fig. 1 and 2, the outer cylinder 1 includes a middle portion 111 and two end portions 112, the two end portions 112 are respectively fixed to the middle portion 111 by bolts, a teflon ring is disposed on the middle outer ring, and the teflon ring on the middle portion 111 can reduce the friction force of the inner cylinder 11 and the outer cylinder 1 sliding with each other.

Referring to fig. 5 and 6, the screw 12 is rotatably connected to the outside of the bearing seat, the bearing seat is fixed with a sliding plate 121, a channel 122 for allowing one end of the sliding plate 121 to vertically slide is formed inside the outer cylinder 1, and by matching the sliding plate 121 and the channel 122, the guiding effect of the screw 12 when the outer cylinder 1 is lifted can be improved, and the sliding stability of the outer cylinder 1 is improved.

Referring to fig. 1 and 2, a connection column 131 is fixed at the top of the connection disc 13, the connection column 131 is clamped at the bottom end of the inner cylinder 11, the connection column 131 is fixedly connected with the inner cylinder 11 through a plurality of bolts, a protection sleeve 132 is arranged at the bottom end of the inner cylinder 11, the connection disc 13 and the inner cylinder 11 can be conveniently connected and fixed through the connection column 131, and the protection sleeve 132 can shield the end part 112.

Referring to fig. 7 and 8, a connecting plate 51 is fixed on the outer cylinder 11 through bolts, an overhanging ring 52 or a mounting plate 53 is fixed on the connecting plate, a plurality of pin holes 521 are formed on the overhanging ring 52, and a plurality of flange holes 531 are formed on the mounting plate 53; by fixing the overhanging ring 52 on the connecting plate 51, the overhanging ring 52 can be clamped into an external rod for fixing, and the stability of the outer cylinder 11 fixed outside the rod can be improved; when the mounting plate 53 is employed, the stability of the outer tub 11 when fixed to a panel can be improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A jack device, includes urceolus (1), its characterized in that still includes:

the inner cylinder (11) is vertically connected with the outer cylinder (1) in a sliding manner;

the screw rod (12) is rotatably connected in the outer cylinder (1) through a bearing, and the screw rod (12) is in threaded connection with the inner cylinder (11);

the power structure (2) is used for driving the screw (12) to rotate;

a connecting disc (13) fixed at the bottom end of the inner cylinder (11);

the pressing structure (3) is arranged on the outer cylinder (1) and used for pressing the outer cylinder (1) to prevent the outer cylinder from sliding;

and a lubricating structure (4) which acts with the power structure (2) to lubricate the screw (12).

2. A jack device according to claim 1, wherein: the power structure (2) comprises a supporting shaft (21), a first bevel gear (22), a second bevel gear (23), a handle rod (24) and a handle (25), the supporting shaft (21) is rotatably connected in the outer barrel (1) through a bearing, the first bevel gear (22) is fixed at the top end of the screw rod (12), the second bevel gear (23) is fixed outside the supporting shaft (21), the first bevel gear (22) and the second bevel gear (23) are meshed with each other, the handle rod (24) is fixed at the end (112) of the supporting shaft (21) through a pin, and the handle (25) is fixed on the handle rod (24).

3. A jack device according to claim 1, wherein: compact structure (3) are including supporting disk (31), support column (32), spout (33), first spring (34), traveller (35), end socket (36) and pressure handle (37), supporting disk (31) pass through the bolt fastening on urceolus (1), support column (32) are fixed on supporting disk (31), spout (33) are seted up in support column (32), traveller (35) slide to be connected in spout (33), first spring (34) are connected traveller (35) with between spout (33) the cell wall, end socket (36) with traveller (35) tip (112) are fixed, press handle (37) with end socket (36) rotate to be connected, the eccentric setting of axis of rotation on pressure handle (37).

4. A jack device according to claim 2, wherein: the lubricating structure (4) comprises a sealing cover (41), a storage box (42), a storage cavity (43), a groove (44), a plug (45), a second spring (46), a first flow passage (471), a second flow passage (472), a jack (48) and a notch groove (49), wherein the sealing cover (41) is clamped at the top end of the outer cylinder (1), the storage box (42) is fixed at one side of the sealing cover (41) close to the inner cylinder (11), the storage cavity (43) is arranged in the storage box (42), the groove (44) is arranged in the storage box (42) and communicated with the storage cavity (43), the plug (45) is connected in the groove (44) in a sliding manner, the second spring (46) is connected between the end part (112) of the plug (45) and the wall of the storage cavity (43), and the first flow passage (471) is arranged in the plug (45), the two ends of the first flow channel (471) penetrate through the plug (45), one end of the first flow channel (471) is arranged on the central axis of the plug (45), the other end of the first flow channel (471) is arranged on the annular wall of the plug (45), the second flow channel (472) is arranged in the storage box (42), one end of the second flow channel (472) is communicated with the groove (44), the other end of the second flow channel (472) is arranged on the end portion (112) of the storage box (42), the jack (48) is fixed on the supporting shaft (21), and the notch groove (49) is arranged in the storage box (42) for the jack (48) to swing and insert.

5. A jack apparatus as claimed in claim 4, wherein: the storage box (42) is provided with a first pipeline (421) in a communicating and fixing mode, the first pipeline (421) is connected with a second pipeline (422) through a connecting sleeve (423) in a threaded mode, and one end of the second pipeline (422) is connected with a sealing plug in a threaded mode.

6. A jack device according to claim 1, wherein: the outer cylinder (1) comprises an intermediate part (111) and two end parts (112), the two end parts (112) are fixed to the intermediate part (111) through bolts respectively, and a polytetrafluoroethylene ring is arranged on an outer ring of the intermediate part.

7. A jack device according to claim 1, wherein: the screw rod (12) is rotatably connected to the outer portion of the bearing seat, a sliding plate (121) is fixed on the bearing seat, and a channel (122) for enabling one end of the sliding plate (121) to vertically slide is formed in the outer barrel (1).

8. A jack device according to claim 1, wherein: the top of connection pad (13) is fixed with spliced pole (131), spliced pole (131) joint is in inner tube (11) bottom, spliced pole (131) through a plurality of bolt with inner tube (11) are connected fixedly, the bottom of inner tube (11) is provided with protective sheath (132).

9. A jack device according to claim 1, wherein: the outer barrel (11) is fixedly provided with a connecting plate (51) through bolts, an outward extending ring (52) or a mounting plate (53) is fixed on the connecting plate (51), the outward extending ring (52) is provided with a plurality of pin holes (521), and the mounting plate (53) is provided with a plurality of flange holes (531).