CN220182644U

CN220182644U - Jack top convenient to replace

Info

Publication number: CN220182644U
Application number: CN202321378594.0U
Authority: CN
Inventors: 李勤
Original assignee: Sichuan Changzhuang Technology Co ltd
Current assignee: Sichuan Changzhuang Technology Co ltd
Priority date: 2023-06-01
Filing date: 2023-06-01
Publication date: 2023-12-15
Anticipated expiration: 2033-06-01

Abstract

The utility model relates to the technical field of jacks and discloses a jack plug convenient to replace, which comprises a large piston, wherein the outer surface of the lower end of the large piston is fixedly connected with a base, an interface is arranged at the center of the outer surface of the upper end of the large piston, the interface is in sliding connection with a support column, the inner surface of the left side of the support column is provided with a bayonet, the inner surface of the front end of the bayonet is provided with a chute close to the left side, the inner surface of the chute is in sliding connection with an extrusion head, and the outer surface of the left side of the extrusion head is fixedly connected with a first spring close to the upper end. This jack top convenient to change possesses the advantage of conveniently changing top, leak protection oil etc., has solved because its top structure is fixed, can't change, and the unsuitable top of shape probably damages the user even, causes economic loss, and most jack top in use can have the condition of oil leak, very big influence the problem of the life of its jack.

Description

Jack top convenient to replace

Technical Field

The utility model relates to the technical field of jacks, in particular to a jack head convenient to replace.

Background

To the jack of known jack, most jack in use, because its top structure is fixed, can't change, and the unsuitable top of shape probably causes economic loss to the damage of using the object even, so need one kind can conveniently change the jack of top structure on the market, refer to patent number: CN202123081042.7, and we consider to design a jack plug that is easy to replace in order to reduce losses.

And most jack heads are in use, oil leakage exists, and the service life of the jack is greatly influenced.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the jack plug convenient to replace, has the advantages of convenient replacement of the plug, oil leakage prevention and the like, and solves the problems that the plug structure is fixed, the plug with unsuitable shape can not be replaced, even the plug with unsuitable shape can damage a using object, economic loss is caused, most jack plugs have oil leakage in use, and the service life of the jack is greatly influenced.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a jack top convenient to change, includes big piston, big piston lower extreme surface fixedly connected with base, the interface has been seted up to big piston upper end surface center department, interface sliding connection has the support column, the bayonet socket has been seted up to support column left side internal surface, bayonet socket front end internal surface is close to left side department and is provided with the spout, spout internal surface sliding connection has the extrusion head, extrusion head left side surface is close to upper end department fixedly connected with first spring, extrusion head left side surface center department fixedly connected with sliding plate, interface internal surface swing joint has the joint, joint left side internal surface is close to lower department and has been seted up the opening, opening right side internal surface fixedly connected with second spring, second spring other end fixedly connected with dop, big piston's bottom internal surface center department fixedly connected with.

Preferably, a pushing opening is fixedly connected to the center of the outer surface of the lower end of the supporting column, and an oil cavity is formed in the center of the inner surface of the upper end of the large piston.

Preferably, the clamping heads are provided with a plurality of groups, are respectively and uniformly arranged on the left side and the right side of the joint, are respectively in one-to-one correspondence with the opening, the clamping heads, the second springs, the sliding grooves and the extrusion heads, and are enabled to have the capability of stable support in use by arranging one-to-one correspondence between the plurality of groups of clamping heads and related structures.

Preferably, the left outer surface of the opening is provided with a limiting structure, the center of the left outer surface of the sliding plate is fixedly connected with a button, and the clamping head is prevented from being entirely leaked from the opening through the limiting structure, so that the clamping is prevented.

Preferably, the outer surface of the lower end of the pushing port is an inclined surface with an upward concave center, the side surface of the pushing port is tightly attached to the inner surface of the side surface of the large piston, and oil is preferentially pushed upwards from the center in the hydraulic process through the inclined surface with the upward concave center, so that the excessive pressure is prevented from being given out from the side surface, and the risk of leakage from the side surface is reduced.

Preferably, the side surface of the support column is tightly connected with the inner surface of the large piston, and the loosening is prevented from being generated by the tight connection, so that the oil liquid is leaked.

Compared with the prior art, the utility model provides the jack plug convenient to replace, which has the following beneficial effects:

1. this jack top convenient to change, through first spring, sliding plate, extrusion head, opening, second spring, dop isotructure, through holding the button, drive the sliding plate inwards to carry out the extrusion, drive extrusion head inwards and extrude, extrude the dop, press the dop into inside the opening, can take out the joint and change, after unclamping with the joint along the interface card go into can, convenient change, can select suitable top as required, reduce the harm to the user, reduce loss of use.

2. This jack top convenient to change, through pushing away mouth, oil pocket isotructure, the jack is in use, and in the in-process that supports, oil is pressed into the oil pocket, slowly piles up the priority and piles up in pushing away mouthful department to support in this department, prevent to spill all around, guarantee the life of jack.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the internal structure of the support column of the present utility model;

FIG. 3 is a cross-sectional view of the internal structure of the large piston of the present utility model.

Wherein: 1. a large piston; 2. a base; 3. a support column; 4. an interface; 5. a sliding plate; 6. a first spring; 7. a chute; 8. an extrusion head; 9. a joint; 10. an opening; 11. a second spring; 12. a chuck; 13. pushing the mouth; 14. an oil chamber; 15. a soft cushion; 16. a bayonet.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment 1, as shown in fig. 1-2, a jack top convenient to replace, including big piston 1, big piston 1 lower extreme surface fixedly connected with base 2, interface 4 has been seted up to big piston 1 upper end surface center department, interface 4 sliding connection has support column 3, bayonet 16 has been seted up to support column 3 left side internal surface, bayonet 16 front end internal surface is provided with spout 7 near left side department, spout 7 internal surface sliding connection has extrusion head 8, extrusion head 8 left side surface is close to upper end department fixedly connected with first spring 6, extrusion head 8 left side surface center department fixedly connected with sliding plate 5, interface 4 internal surface swing joint has joint 9, joint 9 left side internal surface is offered opening 10 near the department, opening 10 right side internal surface fixedly connected with second spring 11, second spring 11 other end fixedly connected with chuck 12, big piston 1's bottom internal surface center department fixedly connected with 15, chuck 12 has a plurality of groups, and its even setting up respectively in the left side surface, the left side surface center of opening 10, the first cushion of the first spring 5 of side, the first cushion of side surface is provided with a plurality of sets of openings 10, the left side surface of the first cushion, the first cushion is located at the left side surface of the first cushion, the first cushion is provided with, the opening 10, the left side surface of the first cushion is located at the left side surface of the first cushion is provided with, respectively.

Working principle: when the jack needs to be replaced, a button on the support column 3 is pressed to drive the sliding plate 5 to extrude inwards, the extrusion head 8 is driven to extrude inwards through the sliding groove 7 to extrude the clamping head 12, the clamping head 12 is pressed into the opening 10, the joint 9 can be pulled out to be replaced, after the button is loosened, the first spring 6 pulls back the sliding plate 5 and pulls back the extrusion head 8 through the sliding groove 7, when the joint 9 needs to be clamped into the interface 4, the button is pressed in the same way, the joint 9 is accessed along the interface 4, the button is loosened after the joint is put to the bottom, the second spring 11 props against the clamping head 12, the clamping head 12 is propped against the bayonet 16 through the limiting plate, the clamping head 12 is prevented from being entirely out, stable support of the support plate is ensured through the soft cushion 15, and the whole large piston 1 is supported through the base 2.

In embodiment 2, as shown in fig. 1-3, a pushing opening 13 is fixedly connected to the center of the outer surface of the lower end of the supporting column 3, an oil cavity 14 is formed in the center of the inner surface of the upper end of the large piston 1, the outer surface of the lower end of the pushing opening 13 is an inclined surface with an upward concave center, the side surface of the pushing opening is tightly attached to the inner surface of the side surface of the large piston 1, and the side surface of the supporting column 3 is tightly connected with the inner surface of the large piston 1.

Working principle: in use of the jack, oil is forced into the oil chamber 14 and slowly and preferentially accumulates at the push port 13 and is supported there, forming a primary support from the centre, preventing excessive pressure of the oil from the sides and entering the joint, thereby preventing leakage.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a jack top convenient to change, includes big piston (1), its characterized in that: big piston (1) lower extreme surface fixedly connected with base (2), interface (4) have been seted up in big piston (1) upper end surface center department, interface (4) sliding connection has support column (3), bayonet socket (16) have been seted up to support column (3) left side internal surface, bayonet socket (16) front end internal surface is close to left side department and is provided with spout (7), spout (7) internal surface sliding connection has extrusion head (8), extrusion head (8) left side surface is close to upper end department fixedly connected with first spring (6), extrusion head (8) left side surface center department fixedly connected with sliding plate (5), interface (4) internal surface swing joint has joint (9), opening (10) have been seted up to joint (9) left side internal surface department near the lower side, opening (10) right side internal surface fixedly connected with second spring (11), second spring (11) other end fixedly connected with chuck (12), the bottom internal surface center department fixedly connected with cushion (15) of big piston (1).

2. A jack-top for easy replacement as claimed in claim 1 wherein: the center of the outer surface of the lower end of the supporting column (3) is fixedly connected with a pushing opening (13), and the center of the inner surface of the upper end of the large piston (1) is provided with an oil cavity (14).

3. A jack-top for easy replacement as claimed in claim 1 wherein: the clamping heads (12) are provided with a plurality of groups, are respectively and uniformly arranged at the left side and the right side of the joint (9), and are respectively in one-to-one correspondence with the opening (10), the clamping heads (12), the second springs (11), the sliding grooves (7) and the extrusion heads (8).

4. A jack-top for easy replacement as claimed in claim 1 wherein: the left outer surface of the opening (10) is provided with a limiting structure, and the center of the left outer surface of the sliding plate (5) is fixedly connected with a button.

5. A jack-top for easy replacement as claimed in claim 2 wherein: the outer surface of the lower end of the pushing opening (13) is an inclined surface with an upward concave center, and the side surface of the pushing opening is tightly attached to the inner surface of the side surface of the large piston (1).

6. A jack-top for easy replacement as claimed in claim 2 wherein: the side surface of the support column (3) is tightly connected with the inner surface of the large piston (1).