CN210340192U

CN210340192U - Horizontal hydraulic jack

Info

Publication number: CN210340192U
Application number: CN201921002359.7U
Authority: CN
Inventors: 李志宏
Original assignee: Hefei Feixi Wan'an Automobile Maintenance Equipment Co Ltd
Current assignee: Hefei Feixi Wan'an Automobile Maintenance Equipment Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-17
Anticipated expiration: 2029-06-28

Abstract

The utility model relates to a horizontal hydraulic jack, which comprises a base, a lifting rod arranged on the base and a driving mechanism for driving the lifting rod to rotate, wherein the front end and the rear end of the bottom of the base are respectively provided with a guide wheel and a movable wheel, the movable wheel is connected with the base through a rotating shaft, the rotating shaft is provided with a gear, the two sides of the base are slidably provided with positioning rods, the end parts of the positioning rods are provided with arc-shaped plates, and the arc-shaped plates are provided with meshing teeth matched with the gear; connecting blocks are arranged on two sides of the front end of the base, the guide wheel is connected with a connecting rod, and the connecting rod is rotatably connected with the connecting blocks; a positioning sleeve is movably sleeved on the connecting rod, clamping blocks are arranged on two sides of the positioning sleeve, and a clamping groove matched with the positioning sleeve is formed in the connecting block; the connecting rod is provided with an external thread and is provided with a positioning block in a threaded manner, and the positioning block is rotatably connected with the positioning sleeve and drives the positioning sleeve to move along the connecting rod. The utility model discloses have the effect that is convenient for lock the removal wheel of jack, promote the stability when using.

Description

Horizontal hydraulic jack

Technical Field

The utility model belongs to the technical field of auto repair equipment's technique and specifically relates to a horizontal hydraulic jack is related to.

Background

At present, a horizontal jack is a light and small lifting device for lifting heavy objects in a small stroke through a top bracket, is an important hydraulic element widely applied to heavy vehicles or mobile equipment for supporting the self weight of the equipment and adjusting the level of the equipment, and is mainly used for the departments of factories, mines, transportation and the like as vehicle repair, other lifting, supporting and the like.

The novel horizontal jack that prior art provided like patent application document with publication number CN207158680U, including main part and lift handle, be provided with the integral type support in the main part, the one end of integral type support is provided with the front wheel, the other end of integral type support is provided with the rear wheel, one side of integral type support is provided with the battery jar, the top of rear wheel is provided with the display, one side of display is provided with the hinge, the opposite side of display is provided with switch, be provided with the armed lever in the main part, the one end of armed lever is provided with the support head base, the top of support head base is provided with the support head, the top surface of support head base is provided with the light, the top surface of support head base is provided with the pinhole camera, the other end of armed lever is provided with the lift accuse, the bottom of lift accuse is provided with the cross axle, the one. The device is additionally provided with the illuminating lamp, the pinhole camera and the display, so that the stress point of the automobile chassis is conveniently found.

The above prior art solutions have the following drawbacks: in order to move, a moving wheel or a guide wheel is generally installed on a horizontal hydraulic jack, but in the using process, one end of an automobile is lifted up by using a lifting rod, the automobile can be used on the jack, and the risk that the jack slides when the moving wheel and the guide wheel are not locked can be caused, so that the construction safety is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a horizontal hydraulic jack has the effect of being convenient for carry out the locking to the removal wheel of jack, promotes the stability when using.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a horizontal hydraulic jack comprises a base, a lifting rod arranged on the base and a driving mechanism for driving the lifting rod to rotate, wherein the front end and the rear end of the bottom of the base are respectively provided with a guide wheel and a moving wheel, the moving wheels are rotatably connected with the base through a rotating shaft, the rotating shaft is provided with a gear, positioning rods are slidably arranged on two sides of the base, the end parts of the positioning rods are provided with arc plates, the arc plates are provided with meshing teeth matched with the gear, and the base is provided with a fastener for limiting the positions of the positioning rods; connecting blocks are arranged on two sides of the front end of the base, a connecting sleeve is arranged on the outer side of the guide wheel, the top of the connecting sleeve is connected with a connecting rod, and the connecting rod is rotatably connected with the connecting blocks; a positioning sleeve is movably sleeved on the connecting rod, clamping blocks are arranged on two sides of the positioning sleeve, and a clamping groove matched with the positioning sleeve is formed in the connecting block; the connecting rod is provided with an external thread and a positioning block is installed on the connecting rod in a threaded manner, and the positioning block and the positioning sleeve are rotatably connected and drive the positioning sleeve to vertically move along the connecting rod.

By adopting the technical scheme, the structure of the moving wheel and the guide wheel is added for moving, and the structure of the positioning rod is used for driving the arc-shaped plate to slide and act on the gear of the moving wheel when the positioning rod slides, so that the limiting of the moving wheel is realized, and the continuous movement of the moving wheel is limited; the structure of the guide wheel is convenient for reversing, and the connecting rod drives the connecting sleeve and the guide wheel to rotate, so that the reversing of the guide wheel is realized; the structure of position sleeve and joint groove has been increased, and the locating piece on the connecting rod drives the position sleeve and removes, can restrict the rotation of connecting rod when position sleeve and joint groove carry out the joint, has realized the restriction to the leading wheel switching-over.

The utility model discloses further set up to: the bottom of the base is provided with a notch, two sides of the notch are provided with telescopic sleeves, the positioning rod is slidably arranged in the telescopic sleeves and is connected with a telescopic spring, and two ends of the telescopic spring are respectively connected with the end part of the positioning rod and the inner wall of one side of the telescopic sleeve, which is far away from the positioning rod; the telescopic sleeve is provided with a hole communicated with the outside on two sides, a screw rod is arranged on one side, away from each other, of the positioning rod, and the screw rod extends out of the groove opening.

By adopting the technical scheme, the structure of the notch is increased, the telescopic sleeve is installed, the positioning rod is installed in the telescopic sleeve, the limiting effect on the positioning rod is achieved, and the positioning rod can slide along the telescopic sleeve; the structure of using expanding spring continuously acts on the positioning rod to enable the positioning rod and the gear to be matched, the structure of the screw rod is used, the screw rod extends to the outside of the notch, and the sliding of the positioning rod is facilitated.

The utility model discloses further set up to: the locating lever is connected with the horizontal pole between the one side that is close to each other, and the horizontal pole passes a shape hole and along a shape hole horizontal slip, and the fastener sets up to fastening nut, and fastening nut and screw rod screw-thread fit carry out the butt with the base outer wall.

By adopting the technical scheme, the structure of the cross rod is increased, the cross rod penetrates through the hole to be used for connecting the two positioning rods, and the two positioning rods can slide simultaneously when the screw rod slides; the structure that has increased fastening nut is used for going on the location to the locating lever, and fastening nut has restricted the slip of locating lever after supporting tightly with the base outer wall.

The utility model discloses further set up to: the side of the base is hinged with a clamping hook, the clamping hook is positioned on one side of the hole away from the movable wheel, and the clamping hook is clamped with the screw rod.

Through adopting above-mentioned technical scheme, the structure that has increased the pothook is used for carrying out the joint with the screw rod, has further fixed the position of screw rod and locating lever when using for the locating lever is comparatively stable in structure after being fixed a position, is difficult for taking place independently to slide.

The utility model discloses further set up to: the connecting rod is provided with two limiting pieces, the limiting pieces are respectively positioned below the connecting block and in the clamping groove, and the limiting pieces are respectively abutted against the bottom of the connecting block and the bottom of the clamping groove; the top of the limiting sheet positioned above is provided with a bulge, and the bottom of the positioning sleeve is provided with a groove matched with the clamping block.

By adopting the technical scheme, the structure of two limiting pieces is added, the limiting pieces are respectively abutted against the bottoms of the connecting blocks and the bottoms of the clamping grooves, the movement of the connecting rod in the vertical direction is limited, and the connecting rod is stably connected with the connecting blocks; after the protrusion and the groove are matched, the other position of the connecting rod and the positioning sleeve is rotated, the positioning sleeve can be driven to rotate by the rotation of the connecting rod, but the position of the positioning sleeve is limited by the clamping groove and cannot be rotated, and therefore the positioning of the connecting rod is achieved.

The utility model discloses further set up to: the bottom of the positioning block is provided with a connecting pipe, the bottom of the connecting pipe is formed with a connecting ring, and a rotating groove matched with the connecting pipe and the connecting ring is formed in the positioning sleeve.

Through adopting above-mentioned technical scheme, the structure that uses connecting pipe and go-between has realized that the rotation of locating piece and position sleeve is connected, and the locating piece can drive the position sleeve when rotating and carry out vertical removal, realizes the connection and the separation before position sleeve and the constant head tank.

The utility model discloses further set up to: the bottom of the clamping block is provided with an inclined plane, and the inclined direction of the inclined plane is upwards inclined from the center to two sides.

Through adopting above-mentioned technical scheme, increased the structure on the inclined plane of slope, the inclined plane from the center to both sides tilt up, the joint piece of being convenient for when using cooperates with the joint groove.

The utility model discloses further set up to: the top of the lifting rod is provided with a supporting plate, the supporting plate is provided with a base plate, and the bottom of the base plate is provided with a stud and is arranged on the supporting plate through a stud thread.

Through adopting above-mentioned technical scheme, increased the structure of the layer board at lifter top, the convenient to use lifter carries out the lifting, has increased the structure of backing plate, when the chassis height of automobile body is higher, can carry out the installation of backing plate and carry out the work of lifter again, has strengthened the lifting effect of lifter.

1. The structure of the positioning rod is added, and the arc-shaped plate on the positioning rod is matched with the gear connected with the moving wheel, so that the moving wheel is limited, and the moving of the moving wheel is limited; the structure of the connecting rod and the connecting block is increased, the limiting of the connecting rod can be realized by matching the clamping sleeve on the connecting rod with the clamping groove on the connecting block, and the rotation of the guide wheel is limited;

2. the structure of the fastening nut and the clamping hook are additionally arranged to limit the structure of the positioning rod, the position of the positioning rod can be limited after the fastening nut is screwed, the positioning rod cannot slide, and the movable wheel can normally move; the structure of the telescopic sleeve and the telescopic spring is added, so that the telescopic spring can act on the positioning rod when the positioning rod is not limited any more, and the arc-shaped plate and the gear are matched conveniently;

3. the structure of the backing plate is added on the supporting plate, so that the backing plate can be arranged on the supporting plate when the automobile chassis is higher, and the use is convenient; when the chassis is lower, can dismantle the backing plate, improve the suitability of device.

Drawings

Fig. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the structure of the middle support plate of the present invention;

fig. 3 is a schematic view of the base structure of the present invention;

FIG. 4 is an exploded view of the guide wheel connection structure of the present invention;

fig. 5 is a schematic sectional view of the connection structure of the middle guide wheel of the present invention.

Reference numerals: 1. a base; 11. a notch; 12. a telescopic sleeve; 13. positioning a rod; 14. an arc-shaped plate; 15. a hole; 16. a cross bar; 17. a tension spring; 18. fastening a nut; 19. a screw; 2. lifting the lifting rod; 3. a support plate; 31. a base plate; 32. a stud; 4. connecting blocks; 41. a clamping groove; 5. a guide wheel; 51. connecting sleeves; 6. a moving wheel; 61. a rotating shaft; 62. a gear; 7. a connecting rod; 71. positioning blocks; 72. a connecting pipe; 73. a connecting ring; 74. a limiting sheet; 75. a protrusion; 8. a positioning sleeve; 81. a clamping block; 9. a hook.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The length direction of the base 1 in this embodiment is defined as the X-axis direction, and the width direction is defined as the Y-axis direction.

Referring to fig. 1 and 2, for the utility model discloses a horizontal hydraulic jack, including base 1, the lifting rod 2 that articulates on base 1 and drive lifting rod 2 pivoted actuating mechanism. The top of the lifting rod 2 is provided with a supporting plate 3, the supporting plate 3 is provided with a backing plate 31, the bottom of the backing plate 31 is fixedly connected with a stud 32 and is in threaded connection with the supporting plate 3 through the stud 32.

Referring to fig. 1 and 3, a guide wheel 5 and a moving wheel 6 are respectively installed at the front end and the rear end of a base 1 in the X-axis direction, the moving wheel 6 is rotatably installed on the base 1 through a rotating shaft 61, and the length direction of the rotating shaft 61 is arranged in the Y-axis direction. A notch 11 is formed in the bottom of the base 1, a gear 62 is mounted on the rotating shaft 61, and the gear 62 is located in the notch 11 and the axis of the gear is coincident with the axis of the rotating shaft 61. The notch 11 is fixedly connected with a telescopic sleeve 12, a positioning rod 13 is movably mounted in the telescopic sleeve 12, the length direction of the positioning rod 13 is arranged along the X-axis direction and slides along the X-axis direction, an arc-shaped plate 14 is fixedly connected to the end part, close to the rotating shaft 61, of the positioning rod 13, and meshing teeth matched with the gear 62 are formed on the arc-shaped plate 14. The telescopic sleeve 12 is provided with a first hole 15 communicated with the outside along two sides of the Y-axis direction, and the length direction of the first hole 15 is arranged along the X-axis direction. A cross bar 16 is connected between the adjacent ones of the positioning rods 13, the cross bar 16 passes through an inner one-shaped hole 15 and slides in the X-axis direction, and the length direction of the cross bar 16 is arranged in the Y-axis direction. The telescopic sleeve 12 is provided with a telescopic spring 17, two ends of the telescopic spring 17 are respectively connected with the end part of the positioning rod 13 and the inner wall of the telescopic sleeve 12, which is far away from the positioning rod 13, and the telescopic spring 17 acts on the positioning rod 13 to enable the positioning rod 13 to move towards the direction close to the rotating shaft 61.

Referring to fig. 3, a screw 19 is fixedly connected to a side of the positioning rod 13 away from each other, the screw 19 extends outward and passes through the outer hole 15, and the positioning rod 13 can be moved by sliding the screw 19. A fastening nut 18 is attached to the screw 19, and the fastening nut 18 is screwed into the screw 19 and abuts against the side wall of the base 1 to limit the position of the positioning rod 13. Have pothook 9 in that the outside both sides along the Y axle direction of base 1 articulate, and the pin joint of pothook 9 is located one side that pivot 61 was kept away from in a shape hole 15, and the one end of pothook 9 and base 1 rotate to be connected and the center line of rotation sets up along the Y axle direction, and the one end and the fastening nut 18 that the pin joint was kept away from to pothook 9 carry out the joint, have further prescribed a limit to fastening nut 18's position, have promoted the stability of structure after positioning lever 13 is fixed.

Referring to fig. 4 and 5, connecting blocks 4 are formed at the front end of a base 1 (see fig. 1) along two sides of the Y-axis direction, a connecting rod 7 is installed on each connecting block 4 in a rotating mode, the connecting rod 7 is vertically arranged and rotates along the axis of the connecting rod, a connecting sleeve 51 is fixedly connected to the bottom of each connecting rod 7, a guide wheel 5 is installed in each connecting sleeve 51 in a rotating mode, the rotating center line of each guide wheel is horizontally arranged, and the connecting rod 7 can drive the guide wheel 5 to rotate to achieve reversing of the guide wheel 5. Joint groove 41 has been seted up at connecting block 4 top, and two spacing pieces 74 of fixedly connected with are gone up to connecting rod 7, and spacing piece 74 is arranged in connecting block 4 below and joint groove 41 respectively, and two spacing pieces 74 respectively with connecting block 4 bottom and joint groove 41 bottom butt, have restricted connecting rod 7's vertical position through spacing piece 74, and the structure is comparatively stable. The part shaping that connecting rod 7 is located joint groove 41 bottom top has external screw thread and threaded mounting to have locating piece 71, and the cover is equipped with position sleeve 8 on connecting rod 7, and position sleeve 8 is located locating piece 71 below and can carry out vertical slip along connecting rod 7. Spacing piece 74 top shaping that is located the top has protruding 75, and 8 bottom shaping of position sleeve have and the fixture block carries out the complex recess, when position sleeve 8 moves down to protruding 75 and recess cooperation, has strengthened the position of position sleeve 8 and connecting rod 7, and the rotation of connecting rod 7 can drive position sleeve 8 and rotate, but the position of position sleeve 8 is injectd by adapter groove 41, can't rotate, has consequently realized the location to connecting rod 7.

Referring to fig. 4 and 5, the clamping blocks 81 are formed on two sides of the positioning sleeve 8, the clamping grooves 41 are matched with the positioning sleeve 8 with the clamping blocks 81, the positioning sleeve 8 can be clamped with the clamping grooves 41 when moving downwards, positioning of the connecting rod 7 is achieved, inclined planes are formed at the bottom of the clamping blocks 81, the inclined planes incline upwards from the center to the two sides, and the clamping blocks are convenient to match with the clamping grooves 41. The connecting pipe 72 is formed at the bottom of the positioning block 71, the connecting ring 73 is formed at the bottom of the connecting pipe 72, the outer diameter of the connecting ring 73 is larger than that of the connecting pipe 72, a rotating groove matched with the connecting pipe 72 and the connecting ring 73 is formed in the positioning sleeve 8, the connecting pipe 72 and the connecting ring 73 rotate in the rotating groove, the rotating center line of the connecting pipe 72 and the connecting ring 73 is overlapped with the axis of the connecting rod 7, and the rotating connection between the positioning sleeve 8 and the positioning block 71. When the positioning block 71 is rotated, the positioning block 71 can vertically move and drive the positioning sleeve 8 to slide in the vertical direction, and the normal reversing of the guide wheel 5 can be performed when the positioning sleeve 8 is separated from the clamping groove 41.

The implementation principle of the embodiment is as follows: the structure that has increased removal wheel 6 and leading wheel 5 is used for removing, uses the structure of locating lever 13, can drive arc 14 when locating lever 13 slides and slide and act on the gear 62 that removes wheel 6, has realized spacing to removing wheel 6, has restricted the continuation removal that removes wheel 6. The structure that uses leading wheel 5 is convenient for commutate, and connecting rod 7 drives adapter sleeve 51 and leading wheel 5 and rotates, has realized the switching-over of leading wheel 5. Increased the structure of position sleeve 8 and joint groove 41, locating piece 71 on the connecting rod 7 drives position sleeve 8 and removes, carries out the joint back when position sleeve 8 and joint groove 41, continues to rotate locating piece 71 and makes position sleeve 8 and joint groove 41 bottom support tightly, can restrict connecting rod 7's rotation, has realized the restriction to leading wheel 5 switching-over. The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a horizontal hydraulic jack, includes base (1), set up lifter (2) and drive lifter (2) pivoted actuating mechanism on base (1), its characterized in that: the front end and the rear end of the bottom of the base (1) are respectively provided with a guide wheel (5) and a moving wheel (6), the moving wheel (6) is rotatably connected with the base (1) through a rotating shaft (61), the rotating shaft (61) is provided with a gear (62), positioning rods (13) are slidably mounted on two sides of the base (1), the end parts of the positioning rods (13) are provided with arc-shaped plates (14), the arc-shaped plates (14) are provided with meshing teeth matched with the gear (62), and the base (1) is provided with fasteners for limiting the positions of the positioning rods (13); connecting blocks (4) are arranged on two sides of the front end of the base (1), a connecting sleeve (51) is arranged on the outer side of the guide wheel (5), the top of the connecting sleeve (51) is connected with a connecting rod (7), and the connecting rod (7) is rotatably connected with the connecting blocks (4); a positioning sleeve (8) is movably sleeved on the connecting rod (7), clamping blocks (81) are arranged on two sides of the positioning sleeve (8), and a clamping groove (41) matched with the positioning sleeve (8) is formed in the connecting block (4); an external thread is formed on the connecting rod (7), a positioning block (71) is installed on the connecting rod in a threaded mode, and the positioning block (71) is rotatably connected with the positioning sleeve (8) and drives the positioning sleeve (8) to vertically move along the connecting rod (7).

2. The horizontal hydraulic jack according to claim 1, wherein: a notch (11) is formed in the bottom of the base (1), telescopic sleeves (12) are arranged on two sides of the notch (11), the positioning rod (13) is slidably mounted in the telescopic sleeves (12) and is connected with a telescopic spring (17), and two ends of the telescopic spring (17) are respectively connected with the end part of the positioning rod (13) and the inner wall of one side, far away from the positioning rod (13), of the telescopic sleeve (12); a hole (15) communicated with the outside is formed in the two sides of the telescopic sleeve (12), a screw rod (19) is arranged on one side, away from the positioning rod (13), of the positioning rod, and the screw rod (19) extends out of the groove opening (11).

3. The horizontal hydraulic jack according to claim 2, wherein: be connected with horizontal pole (16) between the one side that locating lever (13) are close to each other, horizontal pole (16) pass one shape hole (15) and along one shape hole (15) horizontal slip, and the fastener sets up to fastening nut (18), and fastening nut (18) and screw rod (19) screw-thread fit carry out the butt with base (1) outer wall.

4. The horizontal hydraulic jack according to claim 3, wherein: the side surface of the base (1) is hinged with a clamping hook (9), the clamping hook (9) is positioned on one side of the first hole (15) far away from the movable wheel (6), and the clamping hook (9) is clamped with the screw rod (19).

5. The horizontal hydraulic jack according to claim 1, wherein: two limiting pieces (74) are arranged on the connecting rod (7), the limiting pieces (74) are respectively positioned below the connecting block (4) and in the clamping groove (41), and the limiting pieces (74) are respectively abutted against the bottom of the connecting block (4) and the bottom of the clamping groove (41); the top of the limiting piece (74) positioned above is provided with a bulge (75), and the bottom of the positioning sleeve (8) is provided with a groove matched with the clamping block.

6. The horizontal hydraulic jack according to claim 1, wherein: the bottom of the positioning block (71) is provided with a connecting pipe (72), the bottom of the connecting pipe (72) is formed with a connecting ring (73), and a rotating groove matched with the connecting pipe (72) and the connecting ring (73) is formed in the positioning sleeve (8).

7. The horizontal hydraulic jack according to claim 1, wherein: the bottom of the clamping block (81) is provided with an inclined plane, and the inclined direction of the inclined plane is upwards inclined from the center to two sides.

8. The horizontal hydraulic jack according to claim 1, wherein: the top of the lifting rod (2) is provided with a supporting plate (3), the supporting plate (3) is provided with a backing plate (31), the bottom of the backing plate (31) is provided with a stud (32) and the backing plate is arranged on the supporting plate (3) through the stud (32) in a threaded manner.