CN113683001A

CN113683001A - Corrosion-resistant jack rocking type jack

Info

Publication number: CN113683001A
Application number: CN202111028551.5A
Authority: CN
Inventors: 金海东
Original assignee: Haiyan Haiding Auto Parts Technology Co ltd
Current assignee: Haiyan Haiding Auto Parts Technology Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2021-11-23
Anticipated expiration: 2041-09-02
Also published as: CN113683001B

Abstract

The invention discloses an anti-corrosion jack, which comprises an outer tube, an inner tube, a nut, a bearing, a screw rod, a base, a through hole, a connecting rod, a limiting block, a clamping groove, a rotating wheel, a jack, a rotating rod and a mounting seat, wherein the inner tube is inserted in the outer tube, the inner tube is in axial sliding fit with the outer tube, the nut is fixedly arranged on the inner side of the inner tube, the bearing is fixedly arranged at the upper end of the outer tube, the screw rod is fixedly arranged on the inner side of the inner ring of the bearing and is in threaded connection with the nut, the base is fixedly arranged at the lower end of the inner tube, the through hole extending along the axial direction of the screw rod is formed in the upper end of the screw rod, the connecting rod can be inserted in the inner side of the through hole in a sliding manner, the limiting block is arranged below the connecting rod and is in axial sliding fit with the through hole, compared with the prior art, the occupied space of the jack can be reduced, the jack can adapt to uneven ground, the firmness of connection between the jack and a vehicle is improved, and the operation is flexible.

Description

Corrosion-resistant jack rocking type jack

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of jacks, in particular to a corrosion-resistant jack-rocking type jack.

[ background of the invention ]

The trailer jack is mostly applied to supporting the trailer when the trailer is separated from a tractor, the existing trailer jack structure comprises an outer barrel arranged on the trailer, an inner barrel lower than the top end of the outer barrel is arranged in the outer barrel, the top of the outer barrel is rotatably connected with a screw rod, the screw rod penetrates through the inner barrel and is in threaded connection with a nut fixed in the inner barrel, the rotary motion of the screw rod is converted into the vertical linear motion of the inner barrel, a handle is fixed at the top end of the screw rod, a bearing for bearing and guiding is arranged between the upper part of the outer barrel and the screw rod, the lower part of the inner barrel extends out of the outer barrel and is welded with the outer barrel, trundles are arranged on foot rests, the angle of a base of the existing trailer jack can not be adjusted, when the ground is uneven, the contact between the base and the uneven ground easily causes the condition of cylinder shearing or eccentric loading to occur, in addition, the existing trailer jack is inconvenient to store, the occupied space is large, and the trailer jack is connected with the vehicle, vibrations are great, lead to the easy not hard up of bolt that trailer jack and vehicle are connected, cause trailer jack to connect insecurely, have the potential safety hazard.

[ summary of the invention ]

The invention aims to solve the problems in the prior art and provides a corrosion-resistant jack.

In order to achieve the purpose, the invention provides an anti-corrosion jack, which comprises an outer pipe, an inner pipe, a nut, a bearing, a screw rod, a base, a through hole, a connecting rod, a limiting block, a clamping groove, a rotating wheel, a jack, a rotating rod and a mounting seat, wherein the inner pipe is inserted into the inner side of the outer pipe, the inner pipe is axially matched with the outer pipe in a sliding manner, the nut is fixedly arranged on the inner side of the inner pipe, the bearing is fixedly arranged at the upper end of the outer pipe, the screw rod is fixedly arranged on the inner side of the inner ring of the bearing, the screw rod is in threaded connection with the nut, the base is fixedly arranged at the lower end of the inner pipe, the through hole extending along the axial direction of the screw rod is formed in the upper end of the screw rod, the connecting rod is slidably inserted into the inner side of the through hole, the limiting block is arranged below the connecting rod, the limiting block is axially matched with the through hole in a sliding manner, and the lower end of the connecting rod is hinged with the upper part of the limiting block, the lateral part of the upper end of screw rod evenly seted up a plurality ofly with the communicating draw-in groove of inside wall of through-hole, the fixed runner that is equipped with in upper end of connecting rod, a plurality of jacks, every have evenly been seted up to the lateral part of runner the hole bottom of jack all fixedly is equipped with the dwang, the fixed mount pad that is equipped with in outside portion of outer tube.

Preferably, the base comprises a bottom plate and a universal ball, the universal ball is fixedly arranged at the center of the upper part of the bottom plate, and the universal ball is fixedly connected with the lower end of the inner tube.

Preferably, the cross sections of the through hole and the limiting block are square.

Preferably, the bottom of the rotating wheel is embedded with an annular magnet block, and the diameter of the rotating wheel is slightly larger than that of the bearing.

Preferably, the rotating rod is a self-locking gas spring.

Preferably, the mounting seat comprises a seat body, a shaft hole, a rotating shaft, a connecting block, mounting screws, mounting bolts, mounting grooves, a gear, mounting holes, a pull rod, a tooth point and a tension spring, wherein the shaft hole is formed in the side part of the seat body, the rotating shaft is rotatably arranged in the shaft hole, the side part of the connecting block is fixedly connected with the outer end of the rotating shaft, a plurality of mounting screws penetrating through the seat body are uniformly formed in the side part of the seat body, the mounting bolts are connected with the mounting holes in the mounting screws in a threaded manner, an annular mounting groove is formed in the inner wall of the shaft hole, the gear is fixedly sleeved on the outer side of the rotating shaft and is positioned on the inner side of the mounting groove, the mounting holes perpendicular to the shaft hole are formed in the side part of the seat body, the mounting holes are communicated with the mounting grooves, the pull rod is slidably arranged in the mounting holes, the tooth point matched with the gear in a meshing manner is fixedly arranged at the inner end of the pull rod, the outside cover of pull rod is equipped with the extension spring, the lateral part fixed connection of one end and the pedestal of extension spring, the other end and the outer end fixed connection of pull rod, connecting block and outer tube fixed connection.

Preferably, the side of the seat body is fixedly provided with an annular anti-slip body at the periphery of the hole of each mounting screw hole, the longitudinal section of the anti-slip body is U-shaped, one side of the screw head of the mounting bolt facing the seat body is provided with an anti-slip groove for accommodating the anti-slip body, and the anti-slip body is clamped in the anti-slip groove.

Preferably, the outer surface of the anti-skid body and the inner wall of the anti-skid groove are both provided with anti-skid lines, the width of the anti-skid groove is slightly smaller than that of the anti-skid body, and the anti-skid body is made of spring steel.

The invention has the beneficial effects that: the invention is characterized in that the inner wall of the shaft hole is provided with an annular mounting groove, the outer side of the rotating shaft is fixedly sleeved with a gear, the gear is positioned at the inner side of the mounting groove, the side part of the seat body is provided with an assembling hole vertical to the shaft hole, the assembling hole is communicated with the mounting groove, a pull rod is slidably arranged in the assembling hole, the inner end of the pull rod is fixedly provided with a tooth point meshed and matched with the gear, the outer side of the pull rod is sleeved with a tension spring, one end of the tension spring is fixedly connected with the side part of the seat body, the other end of the tension spring is fixedly connected with the outer end of the pull rod, the connecting block is fixedly connected with the outer tube, the connecting block is fixedly connected with the rotating shaft, and the rotating shaft is rotatably connected with the shaft hole, so that the outer tube can rotate by 360 degrees, the outer tube can be rotated to a horizontal state when the jack is not used, the space longitudinally occupied by the jack is reduced, and the pull rod slides towards the inside of the assembling hole under the tension of the tension spring, so that the tooth tips mesh with the gear and the outer tube can be fixed at any angle. Because the bottom plate passes through universal ball and inner tube fixed connection, so the angle of bottom plate can change for the bottom plate can adapt to the ground of different gradients, avoids causing jack shearing jar or eccentric loading because of the ground is uneven. Because be equipped with the through-hole in the screw rod for the connecting rod can be in the indentation through-hole, has reduced the shared space of connecting rod, and the connecting rod not only can drive the screw rod and rotate under vertical state moreover, and when the connecting rod was rotatory to the horizontality, the connecting rod can cooperate with the draw-in groove and drive the screw rod and rotate, flexible operation. The periphery that is located the drill way of every installation screw through the lateral part at the pedestal all fixes being equipped with annular antiskid body, the longitudinal section of antiskid body is the U-shaped, the anti-skidding groove that can supply to hold the antiskid body is seted up towards one side of pedestal to the spiral shell head of construction bolt, the antiskid body card is established at the antiskid inslot, at the in-process that construction bolt screwed up, the spiral shell head of construction bolt is close to the antiskid body gradually, final antiskid body card advances the inboard in antiskid groove, it takes place deformation to make the antiskid body extrude, the elasticity of the antiskid body makes antiskid body and antiskid groove in close contact with, effectively prevent that construction bolt from producing not hard up because of vibrations, the fastness of jack and vehicle connection has been promoted. Compared with the prior art, can reduce the shared space of jack, can let the ground of jack adaptation injustice, promote the fastness of jack and vehicle connection, flexible operation.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a sectional view showing the structure of a corrosion-resistant jack according to the present invention.

In the figure: 1-outer tube, 2-inner tube, 3-nut, 4-bearing, 5-screw, 6-base, 61-bottom plate, 62-universal ball, 7-through hole, 8-connecting rod, 9-limiting block, 10-clamping groove, 11-rotating wheel, 12-jack, 13-rotating rod, 14-mounting seat, 1401-base body, 1402-shaft hole, 1403-rotating shaft, 1404-connecting block, 1405-mounting screw hole, 1406-mounting bolt, 1407-mounting groove, 1408-gear, 1409-mounting hole, 1410-pull rod, 1411-tooth tip, 1412-tension spring, 1413-antiskid body and 1414-antiskid groove.

[ detailed description ] embodiments

Referring to fig. 1, the corrosion-resistant jack comprises an outer tube 1, an inner tube 2, a nut 3, a bearing 4, a screw 5, a base 6, a through hole 7, a connecting rod 8, a limit block 9, a clamping groove 10, a rotating wheel 11, an inserting hole 12, a rotating rod 13 and a mounting seat 14, wherein the inner tube 2 is inserted into the inner side of the outer tube 1, the inner tube 2 is axially matched with the outer tube 1 in a sliding manner, the nut 3 is fixedly arranged on the inner side of the inner tube 2, the bearing 4 is fixedly arranged at the upper end of the outer tube 1, the screw 5 is fixedly arranged on the inner side of the inner ring of the bearing 4, the screw 5 is in threaded connection with the nut 3, the base 6 is fixedly arranged at the lower end of the inner tube 2, the through hole 7 extending along the axial direction of the screw 5 is arranged at the upper end of the screw 5, the connecting rod 8 is slidably inserted into the inner side of the through hole 7, the limit block 9 is arranged below the connecting rod 8 at the inner side of the through hole 7, the stopper 9 and the through-hole 7 are in axial sliding fit, the lower end of the connecting rod 8 is hinged to the upper portion of the stopper 9, a plurality of clamping grooves 10 communicated with the inner side wall of the through-hole 7 are uniformly formed in the side portion of the upper end of the screw rod 5, a rotating wheel 11 is fixedly arranged at the upper end of the connecting rod 8, a plurality of jacks 12 are uniformly formed in the side portion of the rotating wheel 11, a rotating rod 13 is fixedly arranged at the hole bottom of each jack 12, an installation seat 14 is fixedly arranged at the outer side portion of the outer tube 1, the base 6 comprises a bottom plate 61 and a universal ball 62, a universal ball 62 is fixedly arranged at the center position of the upper portion of the bottom plate 61, the universal ball 62 is fixedly connected with the lower end of the inner tube 2, the cross sections of the through-hole 7 and the stopper 9 are square, an annular magnet block is embedded at the bottom of the rotating wheel 12, the diameter of the rotating wheel 12 is slightly larger than that of the bearing 4, and the rotating rod 14 is an auto-lock air spring, the mounting seat 14 comprises a seat body 1401, an axle hole 1402, a rotating shaft 1403, a connecting block 1404, mounting screw holes 1405, mounting bolts 1406, a mounting groove 1407, a gear 1408, a mounting hole 1409, a pull rod 1410, a tooth point 1411 and a tension spring 1412, the axle hole 1402 is formed in the side portion of the seat body 1401, the rotating shaft 1403 is rotatably arranged in the axle hole 1402, the side portion of the connecting block 1404 is fixedly connected with the outer end of the rotating shaft 1403, the side portion of the seat body 1401 is uniformly provided with a plurality of mounting screw holes 1405 penetrating through the seat body 1401, each mounting screw hole 1405 is internally and spirally connected with a mounting bolt 1406, an annular mounting groove 1407 is formed in the inner wall of the axle hole 1402, the gear 1408 is fixedly sleeved outside the rotating shaft 1403, the gear 1408 is located on the inner side of the mounting groove 1407, the side portion of the seat body 1401 is provided with a mounting hole 1409 perpendicular to the axle hole 1402, the mounting hole 1409 is communicated with the mounting groove 1407, the pull rod 1410 is slidably arranged in the mounting hole 1409, the inner end of the pull rod 1410 is fixedly provided with a tooth tip 1411 engaged with the gear 1408, the outer side of the pull rod 1410 is sleeved with a tension spring 1412, one end of the tension spring 1412 is fixedly connected with the side of the seat body 1401, the other end of the tension spring 1412 is fixedly connected with the outer end of the pull rod 1410, the connecting block 1404 is fixedly connected with the outer tube 1, the periphery of the hole of each mounting screw hole 1405 in the side of the seat body 1401 is fixedly provided with an annular anti-slip body 1413, the longitudinal section of the anti-slip body 1413 is U-shaped, one side of the screw head of the mounting bolt 1406, which faces the seat body 1401, is provided with an anti-slip groove 1414 for accommodating the anti-slip body 1413, the anti-slip body 1413 is clamped in the anti-slip groove 1414, the outer surface of the anti-slip body 1413 and the inner wall of the anti-slip groove 1414 are provided with anti-slip threads, the width of the anti-slip groove 1414 is slightly smaller than the width of the anti-slip body 1413, and the anti-slip body 1413 is made of spring steel.

The working process of the invention is as follows: when the jack is used, the pull rod 1410 is pulled out, the tension spring 1412 is stretched at the moment, the tooth tip 1411 at the inner end of the pull rod 1410 is separated from the gear 1408, the outer tube 1 is rotated to the vertical state, the pull rod 1410 is loosened, the pull rod 1410 slides towards the inside of the assembly hole 1409 under the action of the tension force of the tension spring 1412, so that the tooth tip 1411 is meshed with the gear 1408, the rotating shaft 1403 cannot rotate, the outer tube 1 is fixed, the connecting rod 8 is pulled out from the through hole 7, the connecting rod 8 drives the stopper 9 to slide upwards in the through hole 7, the operation mode of the connecting rod 8 is adjusted according to the actual operation environment, when the transverse space is insufficient, the connecting rod 8 is kept in the vertical state, the rotating wheel 11 is rotated to drive the connecting rod 8 in the vertical state to rotate, when the rotating wheel 11 is rotated to be relatively hard, the rotating rod 13 can be pulled out from the jack 12, and the rotating rod 13 is of a self-locking type, therefore, the rotating rod 13 can be freely stretched and can also be locked at any stroke position, holding the rotating rod 13 to rotate the rotating wheel 11 is equivalent to increasing the force arm, and is more labor-saving, the connecting rod 8 drives the limiting block 9 to rotate, because the cross section of the limiting block 9 and the cross section of the through hole 7 are both square, and the connecting rod 8 is hinged with the limiting block 9, the connecting rod 8 can not idle, so the connecting rod 8 can drive the screw rod 5 to rotate through the limiting block 9, when the longitudinal space is insufficient, the connecting rod 8 is rotated to the horizontal state by utilizing the hinged relation of the connecting rod 8 and the limiting block 9, the side part of the connecting rod 8 is clamped in the clamping groove 10, then the connecting rod 8 is rotated, the connecting rod 8 drives the screw rod 5 to rotate, because the screw rod 5 is in threaded connection with the nut 3 fixed on the inner side of the inner pipe 2, the inner pipe 2 is in axial sliding fit with the outer pipe 1, so that the inner pipe 2 is forced to slide downwards in the outer pipe 1, until the base 6 contacts the ground, when the ground is uneven, because the bottom plate 61 is connected with the inner tube 2 through the universal ball 62, the bottom plate 61 can automatically rotate to adapt to the inclination of the ground, so that the bottom plate 61 can be always attached to the ground, the phenomenon that a jack is subjected to cylinder shearing or eccentric loading due to uneven ground is avoided, when the jack is connected with a vehicle, the screw head of the mounting bolt 1406 is gradually close to the anti-slip body 1413, finally the anti-slip body 1413 is clamped into the anti-slip groove 1414, the anti-slip body 1413 is extruded by the anti-slip groove 1414 to deform, the elastic force of the anti-slip body 1413 enables the anti-slip body 1413 to be in close contact with the anti-slip groove 1414, so that the mounting bolt 1406 is not easy to loose due to vibration, when the jack is not needed, the connecting rod 8 can be firstly rotated to enable the connecting rod 8 to be changed from a horizontal state to a vertical state, then the connecting rod 8 is inserted into the through hole 7, so that the bottom of the rotating wheel 11 is attached to the upper portion of the bearing 4, then with dwang 13 retract the space that the dwang 13 occupied in the jack 12 completely, the magnet piece adsorption bearing 4 of runner 11 bottom prevents effectively that connecting rod 8 is free to deviate from in the through-hole 7, then pull rod 1410 once more makes prong 1411 separate with gear 1408, rotatory outer tube 1 to the horizontality, then loosen pull rod 1410 and make prong 1411 and gear 1408 mesh, outer tube 1 is fixed, because the surface of this jack is equipped with the anticorrosive coating, can prevent effectively that this jack from being corroded, its life has been prolonged. Compared with the prior art, can reduce the shared space of jack, can let the ground of jack adaptation injustice, promote the fastness of jack and vehicle connection, flexible operation.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a corrosion-resistant jack shakes formula jack which characterized in that: comprises an outer tube (1), an inner tube (2), a nut (3), a bearing (4), a screw rod (5), a base (6), a through hole (7), a connecting rod (8), a limiting block (9), a clamping groove (10), a rotating wheel (11), a jack (12), a rotating rod (13) and a mounting seat (14), wherein the inner tube (2) is inserted into the inner side of the outer tube (1), the inner tube (2) is in axial sliding fit with the outer tube (1), the nut (3) is fixedly arranged on the inner side of the inner tube (2), the bearing (4) is fixedly arranged at the upper end of the outer tube (1), the screw rod (5) is fixedly arranged on the inner side of an inner ring of the bearing (4), the screw rod (5) is in threaded connection with the nut (3), the base (6) is fixedly arranged at the lower end of the inner tube (2), the through hole (7) extending along the axial direction of the screw rod (5) is arranged at the upper end of the screw rod (5), the inboard slidable of through-hole (7) is inserted and is equipped with connecting rod (8), the inboard below that is located connecting rod (8) of through-hole (7) is equipped with stopper (9), stopper (9) and through-hole (7) axial sliding fit, the lower extreme of connecting rod (8) is articulated mutually with the upper portion of stopper (9), a plurality of communicating draw-in grooves (10) of inside wall with through-hole (7) have evenly been seted up to the lateral part of the upper end of screw rod (5), the upper end of connecting rod (8) is fixed and is equipped with runner (11), a plurality of jacks (12) have evenly been seted up to the lateral part of runner (11), every the hole bottom of jack (12) all is fixed and is equipped with dwang (13), the outside portion of outer tube (1) is fixed and is equipped with mount pad (14).

2. The corrosion-resistant jack-rocking type of claim 1, wherein: the base (6) comprises a bottom plate (61) and a universal ball (62), the universal ball (62) is fixedly arranged at the center of the upper portion of the bottom plate (61), and the universal ball (62) is fixedly connected with the lower end of the inner tube (2).

3. The corrosion-resistant jack-rocking type of claim 1, wherein: the cross sections of the through hole (7) and the limiting block (9) are square.

4. The corrosion-resistant jack-rocking type of claim 1, wherein: the bottom of runner (12) inlays and is equipped with annular magnet piece, the diameter of runner (12) slightly is greater than the diameter of bearing (4).

5. The corrosion-resistant jack-rocking type of claim 1, wherein: the rotating rod (14) is a self-locking type gas spring.

6. The corrosion-resistant jack-rocking type of claim 1, wherein: the mounting seat (14) comprises a seat body (1401), an axle hole (1402), a rotating shaft (1403), a connecting block (1404), mounting screw holes (1405), mounting bolts (1406), a mounting groove (1407), a gear (1408), an assembling hole (1409), a pull rod (1410), a tooth point (1411) and a tension spring (1412), wherein the axle hole (1402) is formed in the side part of the seat body (1401), the rotating shaft (1403) is rotatably arranged in the axle hole (1402), the side part of the connecting block (1404) is fixedly connected with the outer end of the rotating shaft (1403), a plurality of mounting screw holes (1405) penetrating through the seat body (1401) are uniformly formed in the side part of the seat body (1401), each mounting screw hole (1405) is internally and internally provided with a mounting bolt (1406) in a threaded manner, the inner wall of the axle hole (1402) is provided with an annular mounting groove (1407), the gear (1408) is fixedly sleeved on the outer side of the rotating shaft (1403), and the gear (1408) is positioned on the inner side of the mounting groove (1407), the lateral part of pedestal (1401) is seted up pilot hole (1409) of perpendicular to shaft hole (1402), pilot hole (1409) communicates with each other with mounting groove (1407), slidable is equipped with pull rod (1410) in pilot hole (1409), the inner of pull rod (1410) is fixed to be equipped with tooth point (1411) with gear (1408) meshing cooperation, the outside cover of pull rod (1410) is equipped with extension spring (1412), the one end of extension spring (1412) and the lateral part fixed connection of pedestal (1402), the other end and the outer end fixed connection of pull rod (1410), connecting block (1404) and outer tube (1) fixed connection.

7. The corrosion-resistant jack-rocking type of claim 6, wherein: the periphery of the hole of each mounting screw hole (1405) at the side of the seat body (1401) is fixedly provided with an annular anti-skid body (1413), the longitudinal section of the anti-skid body (1413) is U-shaped, one side of the screw head of the mounting bolt (1406) facing the seat body (1401) is provided with an anti-skid groove (1414) for accommodating the anti-skid body (1413), and the anti-skid body (1413) is clamped in the anti-skid groove (1414).

8. A corrosion resistant jack-rocking jack as claimed in any one of claims 1 to 7 wherein: the outer surface of the anti-skid body (1413) and the inner wall of the anti-skid groove (1414) are both provided with anti-skid lines, the width of the anti-skid groove (1414) is slightly smaller than that of the anti-skid body (1413), and the anti-skid body (1413) is made of spring steel.