CN213446021U

CN213446021U - Jack

Info

Publication number: CN213446021U
Application number: CN202021927479.0U
Authority: CN
Inventors: 张亚帅; 赵晋骏
Original assignee: Ningbo Hongyu Testing Co ltd
Current assignee: Ningbo Hongyu Testing Co ltd
Priority date: 2020-09-05
Filing date: 2020-09-05
Publication date: 2021-06-15
Anticipated expiration: 2030-09-05

Abstract

The application relates to a jack, which comprises at least two jack main bodies and a connecting seat, wherein the connecting seat is connected with the jack main bodies through a connecting piece, and the connecting piece comprises a first connecting part and a second connecting part; the outer side wall of the jack main body is provided with a second mounting hole clamped with the second connecting part; the first connecting part is connected with the connecting seat, and the second connecting part is connected with the jack main body. The jack has the effect of easily deviating and inclining when the plurality of jacks jack components are improved.

Description

Jack

Technical Field

The present application relates to the field of devices for continuously lifting loads, and in particular to a jack.

Background

The jack is light and small lifting equipment which takes a rigid jacking piece as a working device and jacks a heavy object through a top bracket or a bottom supporting claw within a small stroke.

An appearance design with an authorization notice number of CN301156724D discloses an electric separation type hydraulic jack, which comprises a jack main body and an oil pump which is connected with the jack and can drive the jack.

In view of the above-mentioned related art, the inventor believes that there are cases where a plurality of jacks are easily deviated or inclined by the horizontal load level during the process of jacking a member.

SUMMERY OF THE UTILITY MODEL

The application provides a jack, in order to improve when a plurality of jacks jack up the component, the jack easily takes place the condition askew, slope.

The application provides a jack adopts following technical scheme:

a jack comprises at least two jack main bodies and a connecting seat, wherein the connecting seat is connected with the jack main bodies through a connecting piece, and the connecting piece comprises a first connecting part and a second connecting part; the outer side wall of the jack main body is provided with a second mounting hole clamped with the second connecting part; the first connecting part is connected with the connecting seat, and the second connecting part is connected with the jack main body.

Through adopting above-mentioned technical scheme, can connect through the connecting piece between the jack main part, and first connecting portion and first mounting hole cooperation, second connecting portion and second mounting hole cooperation have improved the joint strength between the jack main part, and the jack takes place the probability askew, slope easily when having reduced a plurality of jack jacking components.

Optionally, the first connecting portion has a first plunger hole, and a first ball-end spring plunger is installed in the first plunger hole, and the second connecting portion has a second plunger hole, and a second ball-end spring plunger is installed in the second plunger hole; the first mounting hole is provided with a first clamping groove clamped with a plunger ball of the first ball head spring plunger, and the second mounting hole is provided with a second clamping groove clamped with the plunger ball of the second ball head spring plunger.

Through adopting above-mentioned technical scheme, first plunger hole and the cooperation of first bulb spring plunger are convenient for the dismouting of first connecting portion and connecting seat, have improved the joint strength between first connecting portion and the connecting seat simultaneously. The second plunger hole is matched with the second ball-head spring plunger, so that the second connecting part and the jack main body can be conveniently disassembled, and meanwhile, the connecting strength between the second connecting part and the jack main body is improved.

Optionally, the connecting seat has an arc surface that can with the laminating of jack main part lateral wall, the arc surface with jack main part one-to-one, first mounting hole is located the arc surface.

Through adopting above-mentioned technical scheme, the setting of cambered surface has improved the cooperation effect between jack main part lateral wall and the connecting seat, and the jack takes place the probability askew, that inclines easily when further having reduced a plurality of jack jacking members.

Optionally, the arc surface is provided with two first mounting holes arranged up and down; the jack main body is provided with two second mounting holes corresponding to the two first mounting holes respectively.

Through adopting above-mentioned technical scheme, the setting up of two mounting holes is compared in only setting up a mounting hole, has improved the joint strength between jack main part and the connecting seat.

Optionally, the number of the jack main bodies is three.

Through adopting above-mentioned technical scheme, setting up of three jack is compared in the setting of a jack, has better jacking effect, can satisfy different experimental requirements.

Optionally, the connecting seat has a fixing protrusion at the bottom of the side surface, and the fixing protrusion has a fixing through hole arranged vertically.

Through adopting above-mentioned technical scheme, the fixing through hole of fixed lug is convenient for install the connecting seat in the bottom plate, and fixed through hole department screw thread mounting bolt, the fixed connection between connecting seat and the bottom plate can be realized to the bolt, reduces jack jacking in-process and takes place the probability askew, slope partially.

Optionally, the number of the fixing lugs is three, and the fixing lugs are circumferentially and uniformly distributed on the outer side wall of the connecting seat.

Through adopting above-mentioned technical scheme, three fixed lug compares in a fixed lug, has improved the stability of being connected between connecting seat and the bottom plate, has further reduced the jack jacking in-process and has taken place the probability askew, that inclines partially.

Optionally, a threaded hole is formed in the top of the connecting seat, and a hanging ring is mounted at the threaded hole.

Through adopting above-mentioned technical scheme, the setting of rings is convenient for measurement personnel transport connecting seat, reduces the probability that measurement personnel takes place danger among the testing process.

Optionally, a handle is arranged at the top of the outer side wall of the jack main body.

Through adopting above-mentioned technical scheme, when having the space between jack main part and the connecting seat, the setting of handle is convenient for measurement personnel and is promoted the jack main part for operation process is more laborsaving.

In summary, the present application includes at least one of the following beneficial technical effects:

1. a jack is characterized in that the jack main bodies, the connecting seats and the connecting pieces are arranged, so that the jack main bodies can be connected through the connecting pieces, the connecting strength between the jack main bodies is improved, and the probability that the jack is prone to deflection and inclination when a plurality of jacks jack components is lifted is reduced;

2. by setting the cambered surface attached to the outer side wall of the jack main body, the matching effect between the outer side wall of the jack main body and the connecting seat is improved, and the probability that the jack is prone to deflection and inclination when a plurality of jacks jack the components is further reduced;

3. the fixing lug is fixed on the bottom plate through the fixing through hole in a threaded manner, so that the connecting seat is fixedly connected with the bottom plate, and the stability between the connecting seat and the bottom plate is improved.

Drawings

Fig. 1 is a schematic structural view of a jack.

Fig. 2 is a schematic view of the engagement of the connector with the base plate.

Fig. 3 is an exploded view of the connecting socket.

Fig. 4 is a schematic view of the engagement of a jack body with a connector.

Fig. 5 is a schematic diagram of an exploded structure of a connector.

Fig. 6 is a top view of the jack body and the connecting base.

Fig. 7 is a sectional view taken along line a-a of fig. 6.

Fig. 8 is a partially enlarged schematic view of a portion a in fig. 7.

Description of reference numerals: 1. a jack main body; 11. a second mounting hole; 12. a second clamping groove; 13. a handle; 14. a cambered surface; 2. a connecting seat; 21. a first mounting hole; 22. a first clamping groove; 23. fixing the bump; 231. a fixing through hole; 232. a bolt; 24. a threaded hole; 25. a hoisting ring; 251. a fixed part; 252. a circular ring; 3. a connecting member; 31. a first connection portion; 311. a first plunger hole; 32. a second connecting portion; 321. a second plunger hole; 33. a first ball spring plunger; 331. a first plunger ball; 332. a first plunger housing; 333. a first plunger spring; 34. a second ball spring plunger; 341. a second plunger ball; 342. a second plunger housing; 343. a second plunger spring; 4. a base plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses a jack. Referring to fig. 1, the jack includes a bottom plate 4, three jack main bodies 1 arranged on the top surface of the bottom plate 4, a connecting seat 2 arranged on the top surface of the bottom plate 4, and oil pump assemblies respectively connected to the three jack main bodies 1 and capable of driving the jack main bodies 1 to move, and each oil pump assembly mainly includes an oil tank and an oil pump. The connecting seats 2 are arranged in the central area of the bottom plate, and the three jack main bodies 1 are respectively connected with the connecting seats 2. The top of jack main part 1's lateral wall is equipped with handle 13, and handle 13 is located one side of jack main part 1 lateral wall dorsad connecting seat 2, and handle 13 level setting.

Referring to fig. 2, three fixing protrusions 23 are uniformly distributed at the bottom of the side wall of the connecting seat 2 in the circumferential direction. The bottom surface of the fixing bump 23 and the bottom surface of the connecting seat 2 are located in the same plane, and when the connecting seat 2 is installed on the top surface of the bottom plate 4, the bottom surface of the fixing bump 23 is attached to the top surface of the bottom plate 4.

Referring to fig. 2 and 3, the fixing protrusion 23 is further provided with a fixing through hole 231 perpendicular to the bottom surface thereof, and a bolt 232 threadedly engaged with the bottom plate 4 is provided at the fixing through hole 231 to achieve mounting and fixing of the connecting socket 2 on the bottom plate 4.

Referring to fig. 3, the connecting socket 2 is opened with a screw hole 24 at the center of the top surface and a hanging ring 25 is installed at the screw hole 24. The hanging ring 25 includes a fixing portion 251 screwed into the screw hole 24 and a ring 252 provided on the top surface of the fixing portion 251 and integrally provided with the fixing portion 251.

Referring to fig. 3 and 4, three arc surfaces 14 for fitting the outer wall of the jack body 1 are uniformly arranged on the outer side wall of the connecting seat 2 at intervals in the circumferential direction. Three fixing lugs are respectively arranged between adjacent cambered surfaces 14. The arc surface 14 is provided with two first mounting holes 21 arranged up and down. The outer wall of the jack main body 1 is provided with two second mounting holes 11 corresponding to the two first mounting holes 21. The jack main body 1 and the connecting seat 2 are detachably connected through a connecting piece 3.

Referring to fig. 5 to 8, the connector 3 includes a first connection portion 31 mounted to the first mounting hole 21 and a second connection portion 32 mounted to the second mounting hole 11. The first connecting portion 31 has a first plunger hole 311 in a top surface thereof, and the first ball spring plunger 33 is mounted in the first plunger hole 311.

Referring to fig. 6, the first ball spring plunger 33 includes a first plunger ball 331, a first plunger housing 332, and a first plunger spring 333. The first plunger spring 333 is disposed in the first plunger housing 332, the first plunger ball 331 abuts against one side of the first plunger spring 333, and one end of the first plunger ball 331 away from the first plunger spring 333 abuts against a port of the first plunger housing 332. The first mounting hole 21 is engaged with the first connecting portion 31.

The connecting seat 2 further has a first snap-in groove 22, and the first snap-in groove 22 is snapped with the first plunger ball 331 of the first ball spring plunger 33. In the present embodiment, when the first mounting hole 21 is engaged with the first connecting portion 31, the first plunger ball 331 of the first ball spring plunger 33 is engaged with the first engaging groove 22.

Referring to fig. 5 to 8, the second connecting portion 32 has a second plunger hole 321 at a top surface thereof, and the second ball-end spring plunger 34 is installed in the second plunger hole 321. The second ball spring plunger 34 includes a second plunger ball 341, a second plunger housing 342, and a second plunger spring 343.

Referring to fig. 7, the second plunger spring 343 is disposed in the second plunger housing 342, the second plunger ball 341 abuts against one side of the second plunger spring 343, and one end of the second plunger ball 341 far from the second plunger spring 343 abuts against a port of the second plunger housing 342. The second mounting hole 11 is engaged with the second connecting portion 32. The jack body 1 further has a second catching groove 12, and the second catching groove 12 catches on the second plunger ball 341 of the second ball spring plunger 34. In this embodiment, when the second mounting hole 11 is engaged with the second connecting portion 32, the second plunger ball 341 of the second ball spring plunger 34 is engaged with the second engaging groove 12.

In this embodiment, when the first mounting hole 21 is connected to the first connecting portion 31 and the second mounting hole 11 is connected to the second connecting portion 32, the outer sidewall of the jack body 1 is attached to the arc surface 14 of the connecting seat 2.

The implementation principle of the jack in the embodiment of the application is as follows: arrange connecting seat 2 in the central point of bottom plate 3 and put, use bolt 232 to make connecting

seat

2 and 4 fixed connection of bottom plate, correspond the first connecting portion 31 of six connecting pieces 3 respectively and connect in the first mounting hole 21 of connecting seat 2, be connected three jack main part 1 respectively with second connecting portion 32 again, make 1 lateral wall of jack main part and the 14 laminating of cambered surface of connecting seat 2, thereby realize jack

main part

1 and 2 fixed connection of connecting seat, the jack takes place askew partially easily when having reduced a plurality of jack jacking components, the probability of slope.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A jack, its characterized in that: the jack comprises at least two jack main bodies (1) and connecting seats (2), wherein the connecting seats (2) are connected with the jack main bodies (1) through connecting pieces (3), and each connecting piece (3) comprises a first connecting part (31) and a second connecting part (32); the outer side wall of the connecting seat (2) is provided with a first mounting hole (21) clamped with the first connecting part (31), and the outer side wall of the jack main body (1) is provided with a second mounting hole (11) clamped with the second connecting part (32); the first connecting portion (31) is connected with the connecting seat (2), and the second connecting portion (32) is connected with the jack main body (1).

2. A lifting jack according to claim 1 wherein: the first connecting part (31) is provided with a first plunger hole (311), a first ball spring plunger (33) is installed in the first plunger hole (311), the second connecting part (32) is provided with a second plunger hole (321), and a second ball spring plunger (34) is installed in the second plunger hole (321); first mounting hole (21) have with first joint groove (22) of the plunger ball joint of first bulb spring plunger (33), second mounting hole (11) have with second joint groove (12) of the plunger ball joint of second bulb spring plunger (34).

3. A lifting jack according to claim 2 wherein: the connecting seat (2) is provided with an arc surface (14) which can be attached to the outer side wall of the jack main body (1), the arc surface (14) corresponds to the jack main body (1) one to one, and the first mounting hole (21) is formed in the arc surface (14).

4. A lifting jack according to claim 3 wherein: the cambered surface (14) is provided with two first mounting holes (21) which are arranged up and down; the jack main body (1) is provided with two second mounting holes (11) corresponding to the two first mounting holes (21).

5. A lifting jack according to claim 1 wherein: the number of the jack main bodies (1) is three.

6. A lifting jack according to claim 1 wherein: the connecting seat (2) is provided with a fixing lug (23) at the bottom of the side surface, and the fixing lug (23) is provided with a fixing through hole (231) which is vertically arranged.

7. A lifting jack according to claim 6 wherein: the number of the fixed lugs (23) is three, and the fixed lugs (23) are circumferentially and uniformly distributed on the outer side wall of the connecting seat (2).

8. A lifting jack according to claim 1 wherein: the top of the connecting seat (2) is provided with a threaded hole (24) and a hanging ring (25) is arranged at the threaded hole (24).

9. A lifting jack according to claim 1 wherein: the top of the outer side wall of the jack main body (1) is provided with a handle (13).