CN220926148U

CN220926148U - Small jack convenient to retract and release

Info

Publication number: CN220926148U
Application number: CN202322184518.2U
Authority: CN
Inventors: 韩镕凡
Original assignee: Taizhou Fengxun Electronic Engineering Equipment Co ltd
Current assignee: Taizhou Fengxun Electronic Engineering Equipment Co ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-05-10
Anticipated expiration: 2033-08-15

Abstract

The utility model discloses a small jack convenient to retract and release, and belongs to the technical field of jacks. The utility model comprises an adjusting rod, wherein a plurality of multi-section installation blocks capable of being matched with the adjusting rod in a threaded connection mode are arranged on the adjusting rod, a plurality of multi-section spiral lines with opposite spiral directions are arranged on the adjusting rod, the spiral lines of the adjusting rod where two adjacent installation blocks are located are all spiral lines distributed in opposite directions, a plurality of rotation clamping plates are rotatably arranged on the outer sides of the installation blocks, clamping blocks are rotatably arranged on the outer sides of two adjacent rotation clamping plates at the same height, a supporting plate is arranged above the clamping blocks located above, a base is arranged at the bottom of the clamping block located below, and an installation plugboard capable of being matched with the supporting plate in a sliding connection mode is arranged on the side face of the supporting plate. The utility model can generate enough protection effect on the supported body when the device fails in the use process, and has simple operation and convenient storage of the components.

Description

Small jack convenient to retract and release

Technical Field

The utility model relates to the technical field of jacks, in particular to a small jack convenient to retract and release.

Background

The scissor jack is a jack, and is called as a scissor jack because of the appearance of the structure, and the scissor jack is called as a bracket jack, so that the scissor jack is convenient and quick to use and is a vehicle-mounted product of various large automobile factories in China. The novel metal plate comprises an upper supporting rod and a lower supporting rod which are made of metal plates, and the working principles are different. The cross section of the upper support rod and the cross section of the lower support rod at the tooth part and the part nearby the tooth part are rectangular with one side being opened, and the metal plates at the two sides of the opening are bent inwards. The teeth on the upper support rod and the lower support rod are made of metal plates with two bent sides of the opening, and the tooth width is larger than the thickness of the metal plates.

The scissor jack is simple in structure and easy to operate in the use process, but can possibly generate a failure phenomenon due to fatigue damage of the supporting framework in the long-time use process, and a common scissor jack cannot make protective measures to the supported object aiming at the failure phenomenon.

Disclosure of utility model

The utility model aims to solve the problem that the existing scissor jack cannot produce a protective effect on a supported body in case of failure, and provides the novel scissor jack.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a conveniently receive and release small-size jack, includes the adjusting lever, be provided with a plurality of multistage installation blocks that can peg graft with the adjusting lever cooperation screw thread on the adjusting lever, be provided with multistage spiral opposite in direction multistage helix on the adjusting lever, and the helix of two adjacent installation blocks locating adjusting lever is the helix that mutually opposite direction distributes, the outside rotation of installing the piece is provided with a plurality of rotation cardboard, the outside that is located two adjacent rotation cardboard of same height is all rotated and is provided with the fixture block, the top that is located the fixture block of top is provided with the backup pad, the bottom of the fixture block that is located the below is provided with the base, the slot has been seted up to both sides in the backup pad, the slip grafting has the installation picture peg in the slot, the bottom rotation of installation picture peg is connected with a plurality of buffer spring, buffer spring's bottom rotation is connected with the connecting block, in the bottom swing joint of installation picture peg has multistage telescopic link between two adjacent buffer spring, the bottom rotation of multistage telescopic link is connected in the upside of connecting block, place the base both sides are provided with the slot of grafting connecting block, the connecting block is peg is being placed in the base both sides.

Preferably, an adjusting threaded hole is respectively formed in two sides of the connecting block, a plurality of inserting grooves are formed in the mounting inserting plate, threads are arranged on inner walls of the inserting grooves and the adjusting threaded holes, the radiuses of the inserting grooves and the radius of the adjusting threaded holes are equal, and the axes of the inserting grooves and the middle points of the adjusting threaded holes are overlapped.

Preferably, the bottom fixedly connected with of base places the base case, place one side of base case and offered a plurality of storage tanks and accomodate the horizontal groove, accomodate the central point that the horizontal groove is located the storage tank, accomodate the horizontal groove and be located the inside one end of placing the base case and be connected with the screens groove, accomodate the groove and be provided with the buckle that can joint installation picture peg and connecting block, the bayonet socket that corresponds has been seted up with the connecting block to the installation picture peg, accomodate the horizontal groove and be provided with the buckle of joint multistage telescopic link, the multistage telescopic link is provided with the buckle that corresponds.

Preferably, the inside bottom of multistage telescopic link is provided with the buffer rod, the top of buffer rod is provided with the buffer pad in the inside of multistage telescopic link.

Preferably, one end of the adjusting rod is provided with an adjusting handle, one end of the adjusting rod, which is far away from the adjusting handle, is provided with a jack, a storage rod which can be matched and spliced with the jack is arranged in the jack, a rotating handle is arranged on the storage rod, one end of the storage rod is provided with a clamping ring which can be matched and rotated and connected with the storage rod, and one end of the clamping ring, which is far away from the storage rod, is fixedly provided with a grip.

Preferably, the multistage telescopic link and the connecting block are connected through the rotation of the rotating shaft that sets up, multistage telescopic link and installation picture peg are connected through the rotation of the rotating shaft that sets up two, the spring rotating shaft that sets up is rotated between buffer spring and connecting block and the installation picture peg and is connected, installation picture peg, connecting block, buffer spring, multistage telescopic link are collectively called the picture peg external member.

Compared with the prior art, the utility model has the following beneficial effects:

1. The adjusting rod is twisted to rotate, and then two adjacent installation blocks are driven to transversely slide on the adjusting rod, when the two adjacent installation blocks are close to each other, the top ends of the upper rotation clamping plates are driven to rise each other, the supporting plates are driven to lift upwards, so that the lifting effect on the jack is achieved, the buffer spring is arranged to ensure that the supporting plates can be buffered to a certain extent through the compression force of the buffer spring after the bearing of the whole device exceeds the limit, meanwhile, the buffer rod and the buffer gasket are arranged in the multi-section telescopic rod to buffer the pressure during falling, hard falling is avoided, when the multi-section telescopic rod returns to an initial state, compression cannot be carried out, the multi-section telescopic rod is equivalent to a fixed supporting column, the supporting plates can be fixed, and the effect of protecting the supporting object safety is achieved.

2. Through setting up the different pivots on installation picture peg and connecting block, pull out installation picture peg and connecting block from the device, installation picture peg and connecting block rotate into the horizontality along the pivot, shrink multistage telescopic link, buffer spring accompanies multistage telescopic link shrink, accomplishes the shrink of picture peg external member, inserts the picture peg external member and places in the storage tank of base box, multistage telescopic link joint gets into and accomodates the cross slot, rotates the adjusting lever and makes the backup pad fall and accomplish the shrink.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a small jack with convenient retraction;

FIG. 2 is a schematic diagram of the internal side view structure of a small jack with convenient retraction;

Fig. 3 is a schematic diagram of the internal structure of a placement base box of a small jack with convenient retraction;

Fig. 4 is a schematic view of a storage rod of a small jack with convenient retraction;

fig. 5 is a schematic view of a storage structure of a small jack with convenient retraction.

In the accompanying drawings: 1. an adjusting lever; 2. a support plate; 3. rotating the clamping plate; 4. a mounting block; 5. a base; 6. adjusting the handle; 7. installing a plugboard; 8. placing a bottom box; 9. a multi-section telescopic rod; 10. a buffer spring; 11. a storage groove; 12. a connecting block; 13. a storage transverse groove; 14. a buffer rod; 15. a buffer pad; 16. a clamping block; 17. rotating the handle; 18. a clamping groove; 19. adjusting the threaded hole; 20. a storage rod; 21. a clamping ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-5, a small jack convenient to retract and release comprises an adjusting rod 1, and is characterized in that a plurality of multi-section installation blocks 4 which can be matched with the adjusting rod 1 in a threaded insertion manner are arranged on the adjusting rod 1, a plurality of multi-section spiral lines with opposite spiral directions are arranged on the adjusting rod 1, the spiral lines of the adjusting rods 1 where two adjacent installation blocks 4 are positioned are spiral lines distributed in opposite directions, an adjusting handle 6 is arranged at one end of the adjusting rod 1, a jack is arranged at one end of the adjusting rod 1 far away from the adjusting handle 6, a containing rod 20 which can be matched and inserted with the jack is arranged in the jack, a rotating handle 17 is arranged on the containing rod 20, a clamping ring 21 which can be matched and connected with the containing rod 20 in a rotating manner is arranged at one end of the containing rod 20, a grip is fixedly arranged at one end of the clamping ring 21 far away from the containing rod 20, a plurality of rotating clamping plates 3 are rotatably arranged at the outer side of the installation blocks 4, the outer sides of two adjacent rotating clamping plates 3 positioned at the same height are respectively provided with a clamping block 16 in a rotating way, the upper part of the clamping block 16 positioned above is provided with a supporting plate 2, the bottom of the clamping block 16 positioned below is provided with a base 5, the bottom of the base 5 is fixedly connected with a bottom storage box 8, one side of the bottom storage box 8 is provided with a plurality of storage grooves 11 and a storage transverse groove 13, the storage transverse groove 13 is positioned at the central position of the storage groove 11, one end of the storage transverse groove 13 positioned in the bottom storage box 8 is connected with a clamping groove 18, two sides of the supporting plate 2 are provided with slots, the slots are slidably inserted with mounting plugboards 7, the bottom of each mounting plugboard 7 is rotationally connected with a plurality of buffer springs 10, the bottom ends of the buffer springs 10 are rotationally connected with connecting blocks 12, two sides of each connecting block 12 are respectively provided with an adjusting threaded hole 19, a plurality of inserting grooves are formed in each mounting plugboard 7, the inner wall of jack groove and adjustment screw hole 19 all is provided with the screw line, and the radius size of jack groove and adjustment screw hole 19 equals, the axis of the cross midpoint of jack groove and adjustment screw hole 19 all coincides, be connected with multistage telescopic link 9 in the bottom swing joint of installation picture peg 7 between two adjacent buffer springs 10, the inside bottom of multistage telescopic link 9 is provided with buffer rod 14, the top of buffer rod 14 is provided with buffer gasket 15 in the inside of multistage telescopic link 9, the bottom of multistage telescopic link 9 rotates to be connected in the upside of connecting block 12, place the opening of base box 8 both sides and be provided with joint piece 12, connecting block 12 joint is in the both sides of placing base box 8, multistage telescopic link 9 and connecting block 12 rotate through the pivot one that sets up to be connected, multistage telescopic link 9 and installation picture peg 7 rotate through the pivot two that set up to be connected, be connected through the spring pivot rotation that sets up between buffer spring 10 and connecting block 12 and the installation picture peg 7.

In the in-service use, specifically rotate through twisting adjusting lever 1, and then drive adjacent two installation piece 4 and realize horizontal slip on adjusting lever 1, realize being close to each other or the control of keeping away from to adjacent two installation piece 4 through the setting of helix on adjusting lever 1, when adjacent two installation piece 4 are close to each other, the top that is located the top rotation cardboard 3 is driven and is risen each other, backup pad 2 is driven upwards to lift, thereby realize the lifting effect to the jack, carry out the guide to the lift of backup pad 2 through setting up multistage telescopic link 9, avoid backup pad 2 to take place the skew at the process of lift, guarantee through setting up buffer spring 10 and produce certain buffering to backup pad 2 through buffer spring 10's compressive force after the restriction is exceeded in whole device bearing, buffer rod 14 and buffer pad 15 buffer whereabouts time set up in multistage telescopic link 9, avoid hard decline, when multistage telescopic link 9 gets back to initial state, unable compression, be equivalent to a fixed support post at this moment, can play fixed action to backup pad 2, thereby reach the effect that the protection supports safe article, when needs to shrink, through setting up 7 and setting up in telescopic link 7 and 12 and setting up in the telescopic link 1 and setting up 7 and the jack-up in the telescopic link 1 and the jack-up sleeve piece, the telescopic link 1 and the jack-down is accomplished, the extension sleeve member is realized in the telescopic link 1, the telescopic link 1 is realized to the telescopic link 1.

The above description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto. The substitutions may be partial structures, devices, or method steps, or may be a complete solution. The technical proposal and the utility model concept are equivalent to or changed in accordance with the utility model, and the utility model is covered in the protection scope of the utility model.

Claims

1. The utility model provides a small jack convenient to receive and release, including adjusting lever (1), place end box (8), a serial communication port, be provided with a plurality of multistage installation piece (4) that can cooperate screw grafting with adjusting lever (1) on adjusting lever (1), be provided with multistage spiral line opposite in the direction of the multistage spiral line on adjusting lever (1), and the spiral line that two adjacent installation pieces (4) are located adjusting lever (1) is the opposite spiral line that distributes mutually, the outside rotation of installation piece (4) is provided with a plurality of rotation cardboard (3), the outside of two adjacent rotation cardboard (3) that are located same height is all rotated and is provided with fixture block (16), the top of fixture block (16) that is located the top is provided with backup pad (2), the bottom of fixture block (16) that is located the below is provided with base (5), the slot has been seted up to backup pad (2) both sides, slip grafting has installation picture peg (7) in the slot, the bottom of installation picture peg (7) is rotated and is connected with a plurality of buffer spring (10), the bottom rotation of buffer spring (10) is connected with (12) mutually opposite in the spiral line, the bottom rotation of two adjacent buffer spring (10) is provided with expansion joint piece (9) in the bottom of installation piece (9) side of connecting piece (9) on the end box (8), the connecting blocks (12) are inserted into two sides of the bottom placing box (8).

2. The small jack convenient to retract and release according to claim 1, wherein two sides of the connecting block (12) are respectively provided with an adjusting threaded hole (19), the installation plugboard (7) is provided with a plurality of inserting grooves, threads are arranged on the inner walls of the inserting grooves and the adjusting threaded holes (19), the radiuses of the inserting grooves and the adjusting threaded holes (19) are equal, and the axes of the inserting grooves and the passing points of the adjusting threaded holes (19) are coincident.

3. The small jack convenient to retract and release according to claim 1, wherein a bottom box (8) is fixedly connected to the bottom of the base (5), a plurality of accommodating grooves (11) and accommodating transverse grooves (13) are formed in one side of the bottom box (8), the accommodating transverse grooves (13) are located in the central positions of the accommodating grooves (11), and one end of the accommodating transverse grooves (13) located in the bottom box (8) is connected with a clamping groove (18).

4. A small jack convenient to retract and release according to claim 3, wherein a buffer rod (14) is arranged at the bottom of the inside of the multi-section telescopic rod (9), and a buffer gasket (15) is arranged at the top end of the buffer rod (14) inside the multi-section telescopic rod (9).

5. The small jack convenient to retract and release according to claim 4, wherein one end of the adjusting rod (1) is provided with an adjusting handle (6), one end of the adjusting rod (1) away from the adjusting handle (6) is provided with a jack, a containing rod (20) capable of being matched and spliced with the jack is arranged in the jack, a rotating handle (17) is arranged on the containing rod (20), one end of the containing rod (20) is provided with a clamping ring (21) capable of being matched and connected with the containing rod (20) in a rotating mode, and one end of the clamping ring (21) away from the containing rod (20) is fixedly provided with a grip.

6. The small jack convenient to retract and release according to claim 1, wherein the multi-section telescopic rod (9) is rotationally connected with the connecting block (12) through a set rotating shaft, the multi-section telescopic rod (9) is rotationally connected with the mounting plugboard (7) through a set rotating shaft II, and the buffer spring (10) is rotationally connected with the connecting block (12) and the mounting plugboard (7) through a set spring rotating shaft.