CN217498616U

CN217498616U - Bottom support device for jack

Info

Publication number: CN217498616U
Application number: CN202220893122.8U
Authority: CN
Inventors: 张小光; 林连明
Original assignee: ZHEJIANG YIPENG MACHINERY CO LTD
Current assignee: ZHEJIANG YIPENG MACHINERY CO LTD
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-09-27
Anticipated expiration: 2032-04-18

Abstract

The utility model is suitable for a jack technical field especially relates to a bottom strutting arrangement for jack, including the base, the base upper surface is equipped with the opening, the opening inboard is equipped with the three arc clamp plate that is the circumference and distributes, the base is inside to be equipped with the baffle, arc clamp plate all fixedly connected with branch, branch runs through the baffle and is connected with the transmission subassembly in the one end that runs through the baffle, the transmission subassembly is used for driving three arc clamp plate synchronous motion, the inside of base is equipped with the backup pad, the backup pad is connected with the interior bottom of base through the buffering subassembly, and the buffering subassembly is used for the elastic support of backup pad; this device is when supporting the jack fixedly, extrudeing fixedly through three arc clamp plate to the jack, because triangle-shaped has stability can, consequently three arc clamp plate set up can effectual improvement to the fixed effect of jack to the phenomenon of skidding that the jack produced in the use has been avoided, has improved the security performance.

Description

Bottom support device for jack

Technical Field

The utility model relates to a jack technical field specifically is a bottom sprag device for jack.

Background

The jack is light and small hoisting equipment which takes a rigid jacking piece as a working device and jacks a heavy object in a small stroke through a top bracket or a bottom supporting claw, is mainly used for the departments of factory and mining, transportation and the like as vehicle repair, other hoisting, supporting and the like, has a light and firm, flexible and reliable structure, and can be carried and operated by one person _。

In order to improve the stability of jack among the prior art, support the jack usually through strutting arrangement, strutting arrangement generally includes a base, and the inside two briquetting that are equipped with relative distribution of base, before the jack used, place the jack lower extreme inside the base, then drive two briquetting relative motion through drive assembly, extrude the jack through the relative motion of briquetting to the completion is fixed to the jack.

However, the jack is generally cylindrical, and the supporting device in the prior art generally only comprises two pressing blocks, and when the two pressing blocks extrude the jack, the jack is easy to slip, so that the fixing effect of the jack is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bottom sprag device for jack to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a bottom sprag device for jack, includes the base, the base upper surface is equipped with the opening, the opening inboard is equipped with the three arc clamp plate that is the circumference and distributes, the inside baffle that is equipped with of base, the equal fixedly connected with branch of arc clamp plate, branch runs through the baffle and is connected with the drive assembly in the one end that runs through the baffle, the drive assembly is used for driving threely arc clamp plate synchronous motion, the inside of base is equipped with the backup pad, the backup pad is connected through the interior bottom of buffering subassembly with the base, and the buffering subassembly is used for the elastic support of backup pad.

Further: the transmission assembly comprises three circular gears arranged between the baffle and the inner wall of the base, one side of each circular gear is connected with a rotating mechanism, the other side of each circular gear is provided with an eccentrically arranged bulge, the outside of each bulge is connected with a limiting frame in a sliding mode, the limiting frames are fixedly connected with the supporting rods, and the rotating mechanisms are used for driving the circular gears to rotate.

Further: slewing mechanism includes the axis of rotation of being connected with the rotation of circular gear, the axis of rotation other end and base inner wall fixed connection, one of them the gear shaft is connected with the dwang through the gear train, and the dwang runs through the base lateral wall and is connected, three rather than rotating circular gear is connected through the chain.

Further: be equipped with the cotter way on the outer wall of base, dwang fixedly connected with carousel, the inside round pin pole that has run through of carousel, wherein the inside of carousel is equipped with a plurality of round holes that are the circumference setting, and the round pin pole inserts the cotter way inside through the round hole.

Further: the buffering component comprises a sliding groove arranged at the bottom in the base, two sliding blocks which are distributed oppositely are connected inside the sliding groove in a sliding mode, the sliding blocks are connected through a first spring, the sliding blocks are all rotatably connected with a connecting rod which is arranged in an inclined mode, and the other end of the connecting rod is rotatably connected with the supporting plate.

Further: a limiting rod penetrates through the interior of the supporting plate, a second spring is arranged on the exterior of the limiting rod, and two ends of the second spring are connected with the supporting plate and the inner bottom of the base respectively.

Further: the inboard of arc clamp plate is equipped with a plurality of bumping posts, the bumping post all inserts the inside of arc clamp plate and passes through third spring and its sliding connection.

Compared with the prior art, the beneficial effects of the utility model are that: this device is when supporting the jack fixedly, extrudeing fixedly through three arc clamp plate to the jack, because triangle-shaped has stability can, consequently three arc clamp plate set up can effectual improvement to the fixed effect of jack to the phenomenon of skidding that the jack produced in the use has been avoided, has improved the security performance.

Drawings

Fig. 1 is an elevation view of an overall structure of a bottom support device for a jack provided in an embodiment of the present invention.

Fig. 2 is a top view of the overall structure of a bottom supporting device for a jack provided in an embodiment of the present invention.

Fig. 3 is a front view of a rotating mechanism of a bottom supporting device for a jack provided in an embodiment of the present invention.

Fig. 4 is a front view of a bottom supporting device buffering assembly for a jack provided in an embodiment of the present invention.

Fig. 5 is a schematic structural view of an arc-shaped pressing plate of a bottom supporting device for a jack provided in an embodiment of the present invention.

In the figure: 1-base, 2-opening, 3-arc pressing plate, 4-supporting rod, 5-transmission component, 51-circular gear, 52-protrusion, 53-limiting frame, 54-chain, 55-rotating shaft, 56-gear set, 57-rotating rod, 58-rotating disk, 59-pin rod, 510-pin groove, 6-buffer component, 61-connecting rod, 62-sliding block, 63-first spring, 64-sliding groove, 65-limiting rod, 66-second spring, 7-supporting plate, 8-baffle, 9-third spring and 10-buffer column.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

In one embodiment, please refer to fig. 1, a bottom supporting device for a jack includes a base 1, an opening 2 is disposed on an upper surface of the base 1, three arc-shaped pressing plates 3 distributed circumferentially are disposed inside the opening 2, a baffle 8 is disposed inside the base 1, all the arc-shaped pressing plates 3 are fixedly connected with a supporting rod 4, the supporting rod 4 penetrates through the baffle 8 and is connected with a transmission assembly 5 at one end penetrating through the baffle 8, the transmission assembly 5 is used for driving the three arc-shaped pressing plates 3 to move synchronously, a supporting plate 7 is disposed inside the base 1, the supporting plate 7 is connected with an inner bottom of the base 1 through a buffering assembly 6, and the buffering assembly 6 is used for elastic support of the supporting plate 7.

In the embodiment, when the device supports and fixes the jack, the jack is put into the base 1 from the opening 2 on the upper surface of the base 1, the jack is supported by the supporting plate 7 in the base 1, then the three support rods 4 are driven to move by the transmission mechanism, the three arc-shaped press plates 3 are driven by the support rods 4 to move towards the direction of the jack, the jack is extruded and fixed by the three arc-shaped press plates 3, because the triangle has stable performance, the arrangement of the three arc-shaped pressing plates 3 can effectively improve the fixing effect on the jack, thereby avoided the jack phenomenon of skidding that produces in the use, improved the security performance, backup pad 7 is connected with base 1 through buffering subassembly 6 in addition, and buffering subassembly 6 has played a cushioning effect to the jack through backup pad 7 to further improvement the stability ability of jack in the use.

In another embodiment, referring to fig. 2 to fig. 3, the transmission assembly 5 includes three circular gears 51 disposed between the baffle 8 and the inner wall of the base 1, one side of the circular gear 51 is connected to a rotating mechanism, the other side of the circular gear 51 is provided with an eccentrically disposed protrusion 52, the protrusion 52 is slidably connected to the outside of the protrusion 53, the protrusion 53 is fixedly connected to the support rod 4, and the rotating mechanism is configured to drive the circular gear 51 to rotate.

In this embodiment, when fixing the jack, drive three circular gear 51 through slewing mechanism and rotate, circular gear 51 drives its surperficial arch 52 and is circular motion when pivoted, and wherein baffle 8 has played a limiting displacement to branch 4, can drive branch 4 motion through spacing 53 when consequently protruding 52 circular motion, and branch 4 drives the motion of arc clamp plate 3, and then has played a fixed action to the jack, simple structure, and stability is stronger.

In another embodiment, referring to fig. 2-3, the rotating mechanism includes a rotating shaft 55 rotatably connected to the circular gears 51, the other end of the rotating shaft 55 is fixedly connected to the inner wall of the base 1, one of the gear shafts is connected to a rotating rod 57 through the gear set 46, the rotating rod 57 penetrates through the side wall of the base 1 and is rotatably connected thereto, and the three circular gears 51 are connected by a chain 54.

In this embodiment, when needs are fixed to the jack, rotate dwang 57, dwang 57 passes through gear train 46 and drives one of them axis of rotation 55 and rotate, and this axis of rotation 55 drives the round gear 51 who is connected with and rotates, and this round gear 51 passes through chain 54 and drives remaining round gear 51 and rotate, drives three round gear 51 through dwang 57 and rotates, simple structure, the staff's operation of being convenient for.

In another embodiment, referring to fig. 3, a pin slot 510 is formed on an outer wall of the base 1, the rotating rod 57 is fixedly connected with a rotating disc 58, a pin rod 59 penetrates through the rotating disc 58, wherein a plurality of circular holes are circumferentially formed in the rotating disc 58, and the pin rod 59 is inserted into the pin slot 510 through the circular holes.

In this embodiment, when supporting the jack, pin 59 inserts cotter way 510 through the round hole inside, and pin 59 has played a fixed action through round hole pair carousel 58, and then has played a fixed action to dwang 57, and the effectual phenomenon of skidding that has prevented when supporting the jack that gear train 46 produced has improved stability.

In another embodiment, referring to fig. 4, the buffering assembly 6 includes a sliding slot 64 disposed at the bottom of the base 1, two sliding blocks 62 disposed opposite to each other are slidably connected inside the sliding slot 64, the sliding blocks 62 are connected to each other through a first spring 63, wherein the sliding blocks 62 are rotatably connected to a connecting rod 61 disposed obliquely, and the other end of the connecting rod 61 is rotatably connected to the supporting plate 7.

In this embodiment, the jack extrudes the connecting rod 61 through the supporting plate 7 while moving downwards, the connecting rod 61 drives the sliding block 62 to slide in the sliding groove 64, and meanwhile, the spring between the sliding blocks 62 plays a role in buffering the sliding block 62, so that the supporting plate 7 plays a role in buffering the jack, and the stability of the jack during operation is effectively improved.

In another embodiment, referring to fig. 4, a limiting rod 65 penetrates through the supporting plate 7, a second spring 66 is disposed outside the limiting rod 65, and two ends of the second spring 66 are respectively connected to the supporting plate 7 and the inner bottom of the base 1.

In this embodiment, the setting of gag lever post 65 has played a limiting displacement to backup pad 7, has improved the stability can when backup pad 7 removes, and the setting of second spring 66 then has played a cushioning effect to backup pad 7 to further improvement the buffering effect to the jack.

In another embodiment, referring to fig. 5, a plurality of buffer posts 10 are disposed on the inner side of the arc-shaped pressing plate 3, and the buffer posts 10 are inserted into the arc-shaped pressing plate 3 and slidably connected thereto through a third spring 9.

In this embodiment, arc clamp plate 3 is when extrudeing the jack, and the arc passes through cushion column 10 and extrudees the jack, and wherein third spring 9 has played a cushioning effect to cushion column 10, further improvement the fixed effect to the jack.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A bottom support device for a jack comprises a base; the novel base is characterized in that an opening is formed in the upper surface of the base, three arc-shaped pressing plates distributed circumferentially are arranged on the inner side of the opening, a baffle is arranged inside the base, support rods are fixedly connected to the arc-shaped pressing plates, the support rods penetrate through the baffle and are connected with a transmission assembly at one end penetrating through the baffle, the transmission assembly is used for driving the arc-shaped pressing plates to move synchronously, a supporting plate is arranged inside the base, the supporting plate is connected with the inner bottom of the base through a buffering assembly, and the buffering assembly is used for elastic supporting of the supporting plate.

2. The bottom supporting device for the jack as claimed in claim 1, wherein the transmission assembly comprises three circular gears disposed between the baffle and the inner wall of the base, one side of the circular gears is connected with a rotating mechanism, the other side of the circular gears is provided with an eccentrically disposed protrusion, a limiting frame is slidably connected to the outside of the protrusion, the limiting frame is fixedly connected with the supporting rod, and the rotating mechanism is used for driving the circular gears to rotate.

3. The bottom bracing device for lifting jacks according to claim 2, wherein the rotating mechanism comprises a rotating shaft rotatably connected with circular gears, the other end of the rotating shaft is fixedly connected with the inner wall of the base, one of the rotating shafts is connected with a rotating rod through a gear set, the rotating rod penetrates through the side wall of the base and is rotatably connected with the side wall of the base, and three circular gears are connected through a chain.

4. The bottom supporting device for a jack as claimed in claim 3, wherein the outer wall of the base is provided with a pin groove, the rotating rod is fixedly connected with a rotating disk, a pin rod penetrates through the rotating disk, a plurality of circular holes are circumferentially arranged in the rotating disk, and the pin rod is inserted into the pin groove through the circular holes.

5. The bottom supporting device for the jack according to claim 1, wherein the buffering assembly comprises a sliding groove arranged at the bottom in the base, two sliding blocks which are oppositely distributed are slidably connected inside the sliding groove, the sliding blocks are connected through a first spring, the sliding blocks are rotatably connected with a connecting rod which is obliquely arranged, and the other end of the connecting rod is rotatably connected with the supporting plate.

6. The bottom supporting device for a jack as claimed in claim 5, wherein a limiting rod penetrates through the supporting plate, a second spring is provided outside the limiting rod, and two ends of the second spring are respectively connected with the supporting plate and the inner bottom of the base.

7. The bottom bracing device for lifting jack according to any one of claims 1 to 6, wherein a plurality of buffer posts are provided inside the arc-shaped pressing plate, and the buffer posts are inserted into the arc-shaped pressing plate and slidably connected thereto through a third spring.