TWI675767B - Jacking Machine - Google Patents

Abstract

The invention relates to a top-height device, which comprises a body, an abutment member and a top support assembly. The base defines an axial direction. The abutment member is disposed on the base body and is movable relative to the base body in a locked position and a released position. The top support assembly includes a top support member and a top plate. The top support member includes a first end and a second end. The top support member is slidably disposed on the base body. The top support member is provided with a clamping portion. The top plate is disposed at the first end of the top support member and is adapted to abut against an object.

Description

Ceiling device

The invention relates to a top-height device.

According to the general, the jacking machine is used to lift the vehicle for convenient maintenance. In order to smoothly reach the vehicle's chassis, the jacking platform of the jacking machine will be provided with several other jacking devices. Abutting on the chassis of the vehicle, the lifting device can lift the vehicle when the lifting platform rises. It is known that the lifting device has a body and a screw, and the screw is screwed with the seat body. The screw can adjust the relative height of the screw and the seat, so that the screw abuts against the vehicle. However, although the relative height of the stalk can be adjusted by screwing, the rotation process is very slow, which will consume a lot of time and affect the work efficiency. There are shortcomings that need to be improved.

Therefore, it is necessary to provide a novel and progressive ceiling device to solve the above problems.

The main purpose of the present invention is to provide a top-height device, which can quickly adjust the relative height between the top support assembly and the base of the top-height device to improve work efficiency.

In order to achieve the above object, the present invention provides a top-height device, which includes a base, an abutment member, and a top support assembly. The base defines an axial direction. The abutment member is disposed on the base body and is movable relative to the base body in a locked position and a released position. The top support assembly includes a top support member and a top plate. The top support member includes a first end and a second end. The top support member is slidably disposed on the base body. The top support member is provided with a clamping portion. The top plate is disposed at the first end of the top support member and is adapted to abut against an object. Wherein, when the abutting member is located in the locked position, the abutting member interferes with the clamping portion along the axial direction, and the abutment member cannot be opposed to the base body along a direction from the first end toward the second When the abutment piece is located in the release position, the abutment piece does not interfere with the card portion.

The following only illustrates the possible implementation aspects of the present invention by way of examples, but is not intended to limit the scope of the present invention to be protected, which will be described first.

Please refer to FIG. 1 to FIG. 6, which shows a preferred embodiment of the present invention. The top height device of the present invention includes a body 1, an abutment member 2, and a top support assembly 3.

The base body 1 defines an axial direction 11.

The abutment member 2 is disposed on the base body 1 and is movable relative to the base body 1 in a locked position and a released position.

The top support assembly 3 includes a top support member 31 and a top plate 32. The top support member 31 includes a first end 311 and a second end 312. The top support member 31 is slidably disposed on the base 1. The supporting member 31 is provided with a clamping portion 36, and the top plate 32 is provided on the first end 311 of the supporting member 31 and is used to abut against an object 8. In this embodiment, the lifting device is provided on a lifting frame 9. The object 8 is a vehicle. In this embodiment, a cushion body 4 is provided on one side of the top plate 32 away from the support member 31, and the cushion body 4 abuts against the object 8 to provide a buffer effect and avoid the The surface of the object 8 is scratched or deformed.

Wherein, when the abutment member 2 is located at the locked position (as shown in FIG. 4 and FIG. 6), the abutment member 2 interferes with the clamping portion 36 along the axial direction 11 and the abutment member 31 is It cannot slide relative to the base 1 in a direction from the first end 311 to the second end 312, so that the top plate 32 can effectively abut against the object 8 without sliding relative to the base 1; When the top piece 2 is located in the release position (as shown in FIG. 5), the abutment piece 2 does not interfere with the clamping portion 36, and the top support piece 31 can freely slide relative to the base body 1. Quickly adjust the relative height between the top support member 31 and the base 1.

Specifically, in this embodiment, the latching portion 36 includes a plurality of retaining edges 313 protruding radially from the top supporting member 31. The retaining edges 313 are arranged along the axial direction. When the abutting member 2 is located at the In the locked position (as shown in FIG. 4 and FIG. 6), the abutment member 2 interferes with one of the blocking edges 313 along the axial direction 11 to abut.

Preferably, the top supporting member 31 is cylindrical, and the retaining edges 313 are annularly arranged on the radial peripheral surface of the top supporting member 31, and each of the retaining edges 313 is annularly arranged toward one side of the first end 311. There is an inclined plane segment 314, and each of the inclined plane segments 314 is gradually tapered toward the first end 311 to form an oblique cone shape. Even when the abutting member 2 is located in the locked position, when the abutting member 31 is opposed to the base 1 When the second end 312 slides in the direction of the first end 311, the inclined sections 314 can push the abutment member 2 radially outward, so that the top support member 31 can still smoothly face the seat. The body 1 slides from the second end 312 toward the first end 311, and cannot slide relative to the base body 1 from the first end 311 toward the second end 312. Therefore, the user can quickly slide the top supporting member 31 from the second end 312 toward the first end 311 without controlling the abutting member 2, which is more convenient in use.

Further, the base body 1 includes an annular wall 12 which surrounds an accommodation space 13. The top support member 31 is slidably disposed in the accommodation space 13. A cut-out slot 14, the abutment member 2 is pivotally disposed on two side walls of the first cut-out slot 14, and an elastic member 15 is abutted between the base body 1 and the abutment member 2 so that the abutment member 2 The top piece 2 has a tendency to swing toward the locked position. By pressing one end of the top piece 2 away from the accommodating space 13, the top piece 2 can swing to the release position.

In this embodiment, the top supporting assembly 3 further includes a sliding sleeve 33, which is slidably disposed in the accommodation space 13, and the top supporting member 31 is slidingly disposed in the sliding sleeve 33. The sleeve 33 can prevent friction between the top support member 31 and the inner peripheral wall of the annular wall 12. A first small-diameter section 331 is provided on the inner peripheral wall of the sliding sleeve 33 adjacent to one end of the top plate 32. The second end 312 is provided with a fixing member 34. The radial dimension of the fixing member 34 is larger than the radial dimension of the first small diameter section 331. When the top support member 31 moves from the second end 312 to the first end 311 When sliding in the direction, the fixing member 34 can axially abut against the end face of the first small diameter section 331 to drive the sliding sleeve 33 to slide relative to the base body 1 and prevent the top supporting member 31 from detaching from the滑套 33。 Sliding sleeve 33. In this embodiment, the end surface of the ring wall 12 facing the top plate 32 is provided with a ring groove 121, and the end surface of the sliding sleeve 33 facing the top plate 32 is provided with a ring flange 332 corresponding to the ring groove 121 in the radial direction.

Further, a second small-diameter section 16 is provided on an inner peripheral wall of the annular wall 12 adjacent to one end of the top plate 32, and a fastener 35 is attached to an end of the outer peripheral wall of the slip wall 33 away from the top plate 32. When 33 is slid relative to the ring wall 12 in the direction of the top plate 32, the fastener 35 abuts against the end face of the second small-diameter section 16 to prevent the sliding sleeve 33 from detaching from the base body 1.

In summary, when the abutment member of the present invention is located in the release position, the abutment member does not interfere with the clamping portion along the axial direction, and the relative position of the abutment member and the seat body can be adjusted quickly. Height; when the abutting member is located in the locked position, the abutting member interferes with the latch portion so that the top plate can effectively abut against the object without sliding relative to the base.

In addition, even when the abutting member is in the locked position, when the abutment member slides from the second end toward the first end relative to the seat, the inclined sections can radially move the abutting member Push outwards so that the top support can still smoothly slide relative to the base from the second end toward the first end.

1‧‧‧ seat

2‧‧‧ Top piece

3‧‧‧ Top support assembly

4‧‧‧ cushion body

8‧‧‧ Object

9‧‧‧ Lifting frame

11‧‧‧ axial

12‧‧‧ ring wall

13‧‧‧accommodation space

14‧‧‧The first slot

15‧‧‧elastic

16‧‧‧second footpath

31‧‧‧Top support

32‧‧‧Top plate

33‧‧‧Slip sleeve

34‧‧‧Fixed parts

35‧‧‧Fastener

36‧‧‧ Card

311‧‧‧ the first end

312‧‧‧second end

313‧‧‧Border

314‧‧‧ bevel

331‧‧‧first footpath

332‧‧‧Ring flange

121‧‧‧ ring groove

FIG. 1 is an assembly schematic diagram of a preferred embodiment of the present invention. FIG. 2 is a perspective view of a preferred embodiment of the present invention. FIG. 3 is an exploded view of a preferred embodiment of the present invention. 4 to 6 are operation schematic diagrams of a preferred embodiment of the present invention.

Claims (9)

A top-height device includes: a base body defining an axial direction; an abutment member provided on the base body and movable in a locked position and a released position relative to the base body; a top support assembly including the top body A support member and a top plate, the top support member includes a first end and a second end, the top support member is slidably disposed on the seat body, the top support member is provided with a clamping portion, and the top plate is disposed on the top support member. The first end is for abutting against an object; wherein, when the abutting member is located in the locked position, the abutting member interferes with the clamping portion along the axial direction, and the abutting member cannot be opposed to the seat. Sliding along a direction from the first end toward the second end; when the abutting member is located in the release position, the abutting member does not interfere with the card portion; wherein the card portion includes a plurality of diameters The retaining edges are convexly arranged on the top supporting member, and the retaining edges are arranged along the axial direction. When the abutting member is in the locked position, the abutting member interferes with one of the retaining edges along the axial direction. top. The top-height device according to claim 1, wherein the top support member is columnar, and the retaining flanges are arranged on a radial peripheral surface of the top support member. The lifting device according to claim 2, wherein each of the retaining edges faces a side ring of the first end and is provided with a beveled section, and each of the beveled sections is tapered toward the first end to form an oblique cone shape. A top-height device includes: a base body defining an axial direction; an abutment member provided on the base body and movable in a locked position and a released position relative to the base body; a top support assembly including the top body A support member and a top plate, the top support member includes a first end and a second end, the top support member is slidably disposed on the seat body, the top support member is provided with a clamping portion, and the top plate is disposed on the top support member. The first end is for abutting against an object; wherein, when the abutting member is located in the locked position, the abutting member interferes with the clamping portion along the axial direction, and the abutting member cannot be opposed to the seat. Sliding along a direction from the first end to the second end; when the abutting member is located in the release position, the abutting member does not interfere with the card portion; wherein the base includes a ring wall, The ring wall surrounds an accommodating space. The top support member is slidably disposed in the accommodating space. The ring wall is provided with a first cross-section groove in the radial direction. The abutment member is pivotally disposed in the first cross-section groove. On two side walls, an elastic member is elastically abutted between the base and the abutting member, so that the abutting member has a tendency to swing toward the locked position. The top height device according to claim 4, wherein the top supporting assembly further includes a sliding sleeve, the sliding sleeve is slidably disposed in the accommodation space, and the top supporting member is slidingly disposed in the sliding sleeve, and the sliding sleeve The inner peripheral wall is provided with a first small diameter section adjacent to one end of the top plate, and the top support member is provided with a fixing member at the second end. The radial size of the fixing member is larger than the radial size of the first small diameter section. The lifting device according to claim 5, wherein the end surface of the ring wall facing the top plate is provided with a ring groove, and the end surface of the sliding sleeve facing the top plate is radially provided with a ring flange corresponding to the ring groove. The lifting device according to claim 5, wherein an inner peripheral wall of the annular wall is provided with a second small diameter section adjacent to one end of the top plate, and an outer peripheral wall of the sliding sleeve is provided with a fastener at one end away from the top plate. When the sliding sleeve slides in the direction of the top plate relative to the ring wall, the fastener abuts against the end face of the second small diameter section. The lifting device according to claim 1 or 4, wherein a cushion body is provided on one side of the top plate away from the support member, and the cushion system abuts against the object. The top height device according to claim 3, wherein the base body includes an annular wall, and the annular wall surrounds an accommodation space. The top support member is slidably disposed in the accommodation space. The annular wall is provided with a radial direction. A first slit, the abutment piece is pivotally disposed on two side walls of the first slit, and an elastic piece is elastically abutted between the seat body and the abutment piece, so that the abutment piece has a facing toward the The locking position swings; the top supporting assembly further includes a sliding sleeve, which is slidably disposed in the accommodating space, the top supporting member is slidingly disposed in the sliding sleeve, and an inner peripheral wall of the sliding sleeve is adjacent to the top plate. One end is provided with a first small diameter section, and the top support member is provided with a fixing member at the second end, and the radial size of the fixing member is larger than the radial size of the first small diameter section; the ring wall faces the top plate A ring groove is provided on an end surface of the sliding sleeve, and a ring flange corresponding to the ring groove is radially provided on the sliding sleeve toward the end surface of the top plate. A second small diameter section is provided on the inner peripheral wall of the ring wall adjacent to one end of the top plate. A fastener is attached to one end of the outer wall of the sliding sleeve away from the top plate. When the sliding sleeve slides toward the top plate relative to the ring wall, When moving, the fastener is abutted against the end face of the second small diameter section; a pad body is provided on one side of the top plate away from the top support member, and the pad system abuts against the object.