CN212763149U

CN212763149U - Limiting installation mechanism of horizontal top handle seat

Info

Publication number: CN212763149U
Application number: CN202020476491.8U
Authority: CN
Inventors: 傅勇刚; 穆超
Original assignee: Jiangsu Handijack Machinery Co ltd
Current assignee: Jiangsu Handijack Machinery Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2021-03-23
Anticipated expiration: 2030-04-03

Abstract

The utility model relates to a limit mounting mechanism of a handle seat of a lying top, the lying top comprises a base consisting of two support plates extending upwards, the handle seat is movably arranged between the two support plates through the limit mounting mechanism, the handle seat comprises a shaft sleeve arranged between the two support plates, two ends of the shaft sleeve are respectively provided with a tightening screw, one end of the tightening screw penetrates through the corresponding support plate and is arranged in the shaft sleeve, and the tightening screw is connected with the shaft sleeve through thread fit; rotatable connection is realized through spacing bolt between the backup pad that the both ends of handle seat and two correspond, and the handle seat is triangle column structure, and the position that the handle seat is close to the axle sleeve both ends has the opening arc surface that the axle sleeve set up dorsad, and when the handle seat upwards rotated, the arc surface gradually was close to and contacted with the axle sleeve to the axle sleeve. The utility model has the advantages of as follows: the service life of the handle seat is prolonged, the limiting effect of the handle seat is guaranteed, and the constancy of the swing stroke distance of the handle seat is guaranteed.

Description

Limiting installation mechanism of horizontal top handle seat

The technical field is as follows:

the utility model belongs to the horizontal jack field, concretely relates to spacing installation mechanism of top of crouching handle seat.

Background art:

the horizontal jack is a light and small hoisting device for jacking heavy objects in a stroke through a top bracket or a bottom supporting claw, and is used for the departments of factories, mines, transportation and the like as vehicle repair, other hoisting, supporting and the like.

The handle seat of the lying top rotates in the base along with the up-and-down shaking of the handle, the lying top lifts the jack along with the up-and-down swinging of the handle seat, the handle seat needs to swing within a specified swinging stroke, and therefore the handle seat needs to be limited. However, the existing limiting mechanism is characterized in that the limiting seat is welded on the side plate or the back plate of the handle seat, the limiting seat on the side plate of the handle seat is embedded with the corresponding supporting plate in a limiting way, the shaft sleeves between the limiting seat on the back plate of the handle seat and the two supporting plates are limited, and the two limiting mounting mechanisms have the following defects:

firstly, the method comprises the following steps: when the limiting seat is welded, welding stress is generated inside the side plate or the back plate of the handle seat, when the limiting seat and the supporting plate or the shaft sleeve are limited in a unit swinging stroke, the limiting seat and the supporting plate or the shaft sleeve are inevitably contacted and impacted, the deformation and damage speed is further accelerated for the side plate or the back plate which has generated the welding stress inside, and the service life of the handle seat is greatly shortened after the limiting seat is used for multiple times.

II, secondly: through the clamping type limitation of the limiting seat and the supporting plate or the back plate, the clamping position of the limiting seat is easily abraded, after long-term abrasion, the constancy of the swing stroke distance of the handle seat cannot be guaranteed, and the limiting effect is also reduced.

The utility model has the following contents:

the utility model aims at overcoming the not enough above, provide a spacing installation mechanism of top of crouching handle seat, improve handle seat life, guarantee the spacing effect of handle seat, guarantee the constancy of handle seat swing stroke distance.

The purpose of the utility model is realized through the following technical scheme: a limit mounting mechanism of a handle seat of a lying top comprises a base consisting of two support plates extending upwards, the handle seat is movably arranged between the two support plates through the limit mounting mechanism and comprises a shaft sleeve arranged between the two support plates, tightening screws are respectively arranged at two ends of the shaft sleeve, one end of each tightening screw penetrates through the corresponding support plate and is arranged in the corresponding shaft sleeve, and the tightening screws are in threaded fit connection with the shaft sleeve;

rotatable connection is realized through spacing bolt between the backup pad that the both ends of handle seat and two correspond, and the handle seat is triangle column structure, and the position that the handle seat is close to the axle sleeve both ends has the opening arc surface that the axle sleeve set up dorsad, and when the handle seat upwards rotated, the arc surface gradually was close to and contacted with the axle sleeve to the axle sleeve.

The utility model discloses a further improvement lies in: the position that is located the backup pad outer terminal surface on the screw is screwed up is overlapped and is equipped with first gasket.

The utility model discloses a further improvement lies in: the limit bolt level runs through the one end of the backup pad that corresponds and handle seat, fixed being equipped with on the outer terminal surface of backup pad with limit bolt screw-thread fit's nut, the cover is equipped with the second gasket on the limit bolt, the setting is hugged closely with the outer terminal surface of nut to the second gasket, the outer circumference that runs through the nut on the limit bolt is the helicoid, the outer circumference that runs through the handle seat on the limit bolt is the smooth surface.

The utility model discloses a further improvement lies in: the first gasket and the second gasket are provided with inclined notches.

The utility model discloses a further improvement lies in: the handle seat is including arranging the stand barrel that central point put in, and one side that the stand barrel is close to the axle sleeve is equipped with the backplate, and integral type shaping structure is personally submitted with the circular arc to the backplate, and the both ends of stand barrel are equipped with the curb plate that the slope set up respectively, and the lower extreme of stand barrel extends to both sides has the horizontal part, the outside end downwardly extending of horizontal part has vertical portion, the lower extreme extension of curb plate has the otic placode portion, vertical portion corresponds the cover with the otic placode portion and establishes on the smooth surface of spacing bolt, the terminal surface of vertical portion, otic placode portion and the smooth formation integral type structure that extends of the.

Compared with the prior art, the utility model has the following advantage:

1. the utility model discloses change the spacing mounting means of the spacing seat of traditional welding, the position that is close to the axle sleeve both ends at the handle seat sets up the arc surface, the handle seat luffing motion between two backup pads, the handle seat upwards rotate the arc surface and gradually be close to and contact with the axle sleeve to the axle sleeve, when the arc surface card when the terminal surface of axle sleeve, then can't continue upwards to rotate the handle seat, therefore play spacing effect, avoid influencing the life of handle seat because the spacing seat of welding, structural design is simple ingenious simultaneously.

2. The arc surface and the shaft sleeve are smooth surfaces, and the friction between the arc surface and the shaft sleeve is extremely small when the arc surface and the shaft sleeve are limited, so that the constancy of the swing stroke distance of the handle seat and the limiting effect are guaranteed.

3. The shaft sleeve is fixed between the two supporting plates through the tightening screws at the two ends, so that a welding fixing mode is avoided, the mounting and dismounting are simple, convenient and quick, and meanwhile, the fixing performance is good; meanwhile, the handle seat is movably arranged between the two supporting plates through the limiting bolt, one end of the limiting bolt is fixedly connected with the supporting plates through the second gasket, and the smooth surface at the other end facilitates the swinging of the handle seat within the upper and lower ranges.

4. The design of the inclined notch on the first gasket and the second gasket is that when the screwing screw and the limiting bolt are screwed, the first gasket and the second gasket gradually clamp the screwing screw and the limiting bolt, the loosening of the threaded connection part is avoided, the shaft sleeve and the limiting bolt are tightly fixed on the supporting plate, and the handle seat is prevented from slipping with the shaft sleeve in the vertical rotation process to influence the limiting effect.

5. The special structural design of handle seat has satisfied the lightweight design of handle seat's structure, and the both ends position of arc surface is arranged respectively in to arc surface simultaneously arc surface and ear board portion, the vertical integrated design of portion that corresponds, ear board portion, vertical, has improved structural strength and the support nature to the arc surface, has further avoided taking place wearing and tearing deformation because of the striking with the axle sleeve at spacing in-process.

Description of the drawings:

fig. 1 is a schematic position diagram of a limiting installation mechanism of a horizontal top handle seat of the present invention.

Fig. 2 is a schematic connection diagram of the limiting installation mechanism of the horizontal top handle seat of the present invention.

Fig. 3 is a schematic connection diagram of the limiting installation mechanism of the horizontal top handle seat of the present invention.

Fig. 4 is a schematic structural view of the handle seat of the limiting installation mechanism of the horizontal top handle seat of the present invention.

Reference numbers in the figures:

1-a support plate, 2-a handle seat, 3-a shaft sleeve, 4-a tightening screw, 5-an arc surface, 6-a first gasket, 7-a second gasket, 8-a nut, 9-a thread surface, 10-a smooth surface, 11-an oblique notch and 12-a limiting bolt;

21-upright column body, 22-back plate, 23-side plate, 24-horizontal part, 25-ear plate part and 26-vertical part.

The specific implementation mode is as follows:

in order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms indicating orientation or positional relationship, such as those based on the drawings, are only for convenience of description and simplification of description, and do not indicate or imply that the structures or units indicated must have a specific orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, and therefore the features defined "first" and "second" may explicitly or implicitly include one or more of the features described.

In the present invention, unless otherwise specified or limited, terms such as "connected," "provided," "having," and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, or directly connected, and may be connected through an intermediate medium, and those skilled in the art can understand the basic meaning of the above terms in the present invention according to specific situations.

As shown in fig. 1 and fig. 2, the utility model discloses an embodiment of a limiting installation mechanism of a handle seat of a lying top, the lying top includes a base composed of two supporting plates 1 extending upward, the handle seat 2 is movably arranged between the two supporting plates 1 through the limiting installation mechanism, and includes a shaft sleeve 3 arranged between the two supporting plates 1, two ends of the shaft sleeve 3 are respectively provided with a tightening screw 4, one end of the tightening screw 4 penetrates through the corresponding supporting plate 1 and is arranged in the shaft sleeve 3, and the tightening screw 4 is connected with the shaft sleeve 3 through screw-thread fit;

rotatable connection is realized through spacing bolt 12 between the backup pad 1 of two pairs of correspondences at the both ends of handle seat 2, and handle seat 2 is triangle column structure, and the position that handle seat 2 is close to 3 both ends of axle sleeve has opening arc surface 5 that axle sleeve 3 set up dorsad, and when handle seat 2 upwards rotated, arc surface 5 progressively is close to and contacts with axle sleeve 3 to axle sleeve 3.

The utility model discloses change the spacing mounting means of the spacing seat of traditional welding, the position that is close to axle sleeve 3 both ends at handle seat 2 sets up arc surface 5, handle seat 2 luffing motion between two backup pads 1, handle seat 2 upwards rotates arc surface 5 and progressively is close to and contacts with axle sleeve 3 to axle sleeve 3, when 5 cards of arc surface at axle sleeve 3's terminal surface, continue upwards to rotate handle seat 2 and make the arc surface 5 of handle seat 2 to the apical axis cover 3, because axle sleeve 3 is fixed to be set up in backup pad 1, therefore play spacing effect, avoid influencing handle seat 2's life because of welding spacing seat 2, structural design is simple ingenious simultaneously. Secondly, arc surface 5 and axle sleeve 3 are the smooth surface, and both are minimum to the friction of arc surface 5 and axle sleeve 3 when spacing, guarantee handle seat 2 swing stroke distance's constancy and spacing effect.

Further, a first gasket 6 is sleeved on the position, located on the outer end face of the support plate 1, of the tightening screw 4.

Furthermore, a limit bolt 12 horizontally penetrates through one end of the corresponding support plate 1 and one end of the corresponding handle seat 2, a nut 8 in threaded fit with the limit bolt 12 is fixedly arranged on the outer end face of the support plate 1, a second gasket 7 is sleeved on the limit bolt 12, the second gasket 7 is arranged close to the outer end face of the nut 8, the outer circumference of the limit bolt 12, penetrating through the nut 8, is a threaded surface 9, and the outer circumference of the limit bolt 12, penetrating through the handle seat 2, is a smooth surface 10.

The shaft sleeve 3 is fixed between the two supporting plates 1 through the tightening screws 4 at the two ends, so that a welding fixing mode is avoided, the mounting and dismounting are simple, convenient and quick, and the fixing performance is good; simultaneously, the handle seat 2 is movably arranged between the two supporting plates 1 through a limiting bolt 12, one end of the limiting bolt 12 is fixedly connected with the supporting plates 1 through a second gasket 7, and the smooth surface at the other end is convenient for swinging within the upper and lower ranges of the handle seat 2.

Further, the first gasket 6 and the second gasket 7 have a chamfer 11 thereon.

The design of the inclined notch 11 on the first gasket 6 and the second gasket 7 is that when the screwing screw 4 and the limiting bolt 12 are screwed, the first gasket 6 and the second gasket 7 gradually clamp the screwing screw 4 and the limiting bolt 12, the loosening of the threaded connection part is avoided, the shaft sleeve 3 and the limiting bolt 12 are tightly fixed on the supporting plate 1, and the handle seat 2 is prevented from slipping with the shaft sleeve 3 in the up-and-down rotating process to influence the limiting effect.

Further, as shown in fig. 3 and 4, the handle seat 2 includes a column cylinder 21 disposed at the center, a back plate 22 is disposed on one side of the column cylinder 21 close to the shaft sleeve 3, the back plate 22 and the arc surface 5 are of an integrated molding structure, side plates 23 disposed obliquely at two ends of the column cylinder 21 are respectively disposed, a horizontal portion 24 extends from the lower end of the column cylinder 21 to two sides, a vertical portion 26 extends downward from the outer end of the horizontal portion 24, an ear plate portion 25 extends from the lower end of the side plate 23, the vertical portion 26 and the ear plate portion 25 are correspondingly sleeved on the smooth surface 10 of the limit bolt 12, and the end surfaces of the vertical portion 26 and the ear plate portion 25 and the corresponding arc surface 5 extend smoothly to form an integrated structure.

The special structural design of handle seat 2 has satisfied handle seat 2's structure lightweight design, and arc surface 5 and the ear plate portion 25, the 26 integrated design of vertical portion that correspond simultaneously, and arc surface 5's both ends position is arranged respectively in ear plate portion 25, vertical portion 26, has improved structural strength and the support nature to arc surface 5, has further avoided taking place wearing and tearing deformation because of the striking with axle sleeve 3 at spacing in-process.

The present invention is not limited to the above-described embodiments, and the description of the embodiments and the description is only illustrative of the principles of the present invention, and various changes and modifications can be made without departing from the spirit and scope of the present invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a spacing installation mechanism of top handle seat crouches, the top of crouching includes the base of constituteing by two backup pad (1) that upwards extend, handle seat (2) set up between two backup pad (1) through spacing installation mechanism activity, its characterized in that: the device comprises a shaft sleeve (3) arranged between two support plates (1), wherein two ends of the shaft sleeve (3) are respectively provided with a tightening screw (4), one end of each tightening screw (4) penetrates through the corresponding support plate (1) and is arranged in the shaft sleeve (3), and the tightening screws (4) are in threaded fit connection with the shaft sleeve (3);

rotatable coupling is realized through spacing bolt (12) between the backup pad (1) of the both ends of handle seat (2) and two correspondences, handle seat (2) are three horn-shaped structure, the position that handle seat (2) are close to axle sleeve (3) both ends has opening arc surface (5) that axle sleeve (3) set up dorsad, when handle seat (2) upwards rotated, arc surface (5) are gradually close to and contact with axle sleeve (3) to axle sleeve (3).

2. The horizontal top handle seat limiting and mounting mechanism as claimed in claim 1, wherein: a first gasket (6) is sleeved at the position, located on the outer end face of the support plate (1), of the tightening screw (4).

3. The horizontal top handle seat limiting and mounting mechanism as claimed in claim 2, wherein: spacing bolt (12) level runs through the one end of backup pad (1) and handle seat (2) that correspond, the outer terminal surface of backup pad (1) is gone up the fixed nut (8) that are equipped with spacing bolt (12) screw-thread fit, the cover is equipped with second gasket (7) on spacing bolt (12), the setting is hugged closely with the outer terminal surface of nut (8) to second gasket (7), the outer circumference that runs through nut (8) on spacing bolt (12) is thread face (9), the outer circumference that runs through handle seat (2) on spacing bolt (12) is smooth surface (10).

4. The horizontal top handle seat limiting and mounting mechanism as claimed in claim 3, wherein: the first gasket (6) and the second gasket (7) are provided with inclined notches (11).

5. The utility model provides a limit installation mechanism of crouching top handle seat as in any one of claim 1-4, characterized in that: handle seat (2) are including arranging stand barrel (21) that the central point put in, one side that stand barrel (21) is close to axle sleeve (3) is equipped with backplate (22), backplate (22) are integral type shaping structure with arc surface (5), the both ends of stand barrel (21) are equipped with curb plate (23) that the slope set up respectively, the lower extreme of stand barrel (21) extends to both sides has horizontal part (24), the outside end downwardly extending of horizontal part (24) has vertical portion (26), the lower extreme of curb plate (23) extends has otic placode portion (25), vertical portion (26) and otic placode portion (25) correspond the cover and establish on smooth surface (10) of spacing bolt (12), the terminal surface of vertical portion (26), otic placode portion (25) and the smooth formation integral type structure that extends of corresponding arc surface (5).