CN210559096U

CN210559096U - Hollow jack with built-in conical spring

Info

Publication number: CN210559096U
Application number: CN201920845684.3U
Authority: CN
Inventors: 宋凯
Original assignee: Jiaxing Lituo Machinery Co ltd
Current assignee: Jiaxing Lituo Machinery Co ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-05-19
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses a cavity formula jack in built-in conical spring, including main part and big oil tank, the right side welding of main part has a fixed section of thick bamboo, the left side of little oil tank is connected with defeated pipe, the right side of arranging the oil pipe is connected with into oil pipe, advance oil pipe and arrange the surface of oil pipe and all install the check valve, the top of advancing oil pipe and arranging the oil pipe is connected with the piston, the top welding of piston has the spanner, settle the top of big oil tank has cavity mechanism, and big oil tank is located the inside of main part. This jack is equipped with the main part, and the inside of main part is provided with cavity mechanism, adopts the cavity design, can alleviate the weight of main part greatly, has saved the unnecessary usage space, can cooperate the hydraulic stem to rotate between connecting rod and the bolt and stretch, and both all lie in both sides around the hydraulic stem, can not influence the cavity design of the left and right sides like this, and the appearance of spring is the toper in addition, can increase the effect of main part shock attenuation protection like this.

Description

Hollow jack with built-in conical spring

Technical Field

The utility model relates to a jack technical field specifically is cavity formula jack in built-in conical spring.

Background

The jack is a light and small hoisting device which uses 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, along with the rapid development of the current traffic and mining industry, the jack is applied more and more, has small volume and convenient carrying, plays an important role in many fields, and improves the structural design of the jack continuously along with the continuous improvement of the technology.

Modern jacks belong to hoisting equipment, and the internal structure of general jacks is more complicated, so when carrying, the weight is heavier, and it is harder to remove, in addition, does not have shock attenuation protective structure, causes jack itself easily to receive the damage, for this reason, we propose a built-in cone spring, cavity formula jack.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cavity formula jack in built-in conical spring to solve the modern jack that proposes in the above-mentioned background art and belong to hoisting equipment, the inner structure of general jack is more complicated, and weight is heavier when consequently carrying, removes more difficultly, in addition, does not have shock attenuation protective structure, causes jack itself to receive the problem of damage easily.

In order to achieve the above object, the utility model provides a following technical scheme: built-in conical spring cavity formula jack, including main part and big oil tank, the right side welding of main part has a fixed section of thick bamboo, and the inside gomphosis of a fixed section of thick bamboo installs little oil tank, the left side of little oil tank is connected with defeated pipe, and the top of little oil tank is connected with row oil pipe, the right side of arranging oil pipe is connected with into oil pipe, advance oil pipe and arrange oil pipe's surface and all install the check valve, the top of advancing oil pipe and arranging oil pipe is connected with the piston, the top welding of piston has the spanner, settle the top of big oil tank has cavity mechanism, and big oil tank is located the inside of main part, the top arrangement of cavity mechanism has supporting mechanism.

Preferably, the main part is including draw-in groove, bracing piece and hinge, the draw-in groove has been seted up to the bottom of main part, and the internally mounted of draw-in groove has the bracing piece, the centre of bracing piece is provided with the hinge.

Preferably, the clamping groove and the supporting rod are matched with each other in size, and the supporting rod and the hinge are matched with each other.

Preferably, the hollow mechanism comprises a hydraulic rod, a connecting rod, a bolt and a spring, the hydraulic rod is installed in the middle of the hollow mechanism, the left side and the right side of the hydraulic rod are both connected with the connecting rod, the bolt is arranged in the middle of the connecting rod, and the spring is connected to the inner side of the connecting rod.

Preferably, the springs are tapered in outer shape, and the connecting rods and the springs are symmetrical with each other about a vertical center line of the hydraulic rod.

Preferably, the supporting mechanism comprises a base plate and a rotating shaft, the base plate is bonded on the surface of the supporting mechanism, and the rotating shaft penetrates through the middle of the supporting mechanism.

Preferably, the lower surface of the backing plate is tightly attached to the upper surface of the supporting mechanism, and the backing plate is symmetrical about the vertical center line of the supporting mechanism.

Preferably, the supporting mechanism is vertically connected with the hydraulic rod, and the supporting mechanism and the rotating shaft are matched with each other to form a rotating structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the jack is provided with a main body, a hollow mechanism is arranged in the main body, the weight of the main body can be greatly reduced by adopting a hollow design, unnecessary use space is saved, a hydraulic rod can be matched between a connecting rod and a bolt for rotating and stretching, the connecting rod and the bolt are both positioned on the front side and the rear side of the hydraulic rod, so that the hollow design on the left side and the right side cannot be influenced, and in addition, the appearance of a spring is conical, so that the shock absorption and protection effects of the main body can be improved;

2. the supporting mechanism is positioned at the top of the main body and can be folded through the design of the rotating shaft, the supporting mechanism and the hydraulic rod are connected with each other, so that the supporting mechanism can move along with the hydraulic rod, and when the hydraulic rod is pressed downwards, the supporting mechanism is subjected to downward pulling force and can be folded downwards to be accommodated in the main body, so that the supporting mechanism is prevented from being abraded and damaged;

3. the bottom of main part is provided with the bracing piece, and the bracing piece can fold when not using and receive the draw-in groove in, can not occupation space, and when needs use, utilizes the hinge to prolong the bracing piece and expandes, and the stability that back bracing piece can greatly increased main part is opened in the extension.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the hollow mechanism of the present invention;

fig. 3 is a schematic view of the bottom structure of the main body of the present invention.

In the figure: 1. a main body; 101. a card slot; 102. a support bar; 103. a hinge; 2. a fixed cylinder; 3. a small oil tank; 4. conveying the pipe; 5. an oil discharge pipe; 6. an oil inlet pipe; 7. a one-way valve; 8. a piston; 9. a wrench; 10. A large oil tank; 11. a hollow mechanism; 1101. a hydraulic lever; 1102. a connecting rod; 1103. a bolt; 1104. A spring; 12. a support mechanism; 1201. a base plate; 1202. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a hollow jack with a built-in conical spring comprises a main body 1 and a large oil tank 10, wherein a fixed cylinder 2 is welded on the right side of the main body 1, a small oil tank 3 is installed inside the fixed cylinder 2 in an embedded mode, the main body 1 comprises a clamping groove 101, a supporting rod 102 and a hinge 103, the clamping groove 101 is formed in the bottom of the main body 1, the supporting rod 102 is installed inside the clamping groove 101, the hinge 103 is arranged in the middle of the supporting rod 102, the clamping groove 101 and the supporting rod 102 are matched in size, the supporting rod 102 and the hinge 103 are matched with each other, the supporting rod 102 can be folded and retracted into the clamping groove 101 when not in use, space cannot be occupied, when the jack needs to be used, the supporting rod 102 is unfolded through the hinge 103, and the stability of the main body 1;

the left side of the small oil tank 3 is connected with a delivery pipe 4, the upper part of the small oil tank 3 is connected with an oil discharge pipe 5, the right side of the oil discharge pipe 5 is connected with an oil inlet pipe 6, the surfaces of the oil inlet pipe 6 and the oil discharge pipe 5 are both provided with a check valve 7, the tops of the oil inlet pipe 6 and the oil discharge pipe 5 are connected with a piston 8, the top of the piston 8 is welded with a wrench 9, a hollow mechanism 11 is arranged above the large oil tank 10, the large oil tank 10 is positioned in the main body 1, the hollow mechanism 11 comprises a hydraulic rod 1101, a connecting rod 1102, a bolt 1103 and a spring 1104, the middle of the hollow mechanism 11 is provided with the hydraulic rod 1101, the left side and the right side of the hydraulic rod 1101 are both connected with the connecting rod 1102, the middle of the connecting rod 1102 is provided with the bolt 1103, the inner side of the connecting rod 1102 is connected with the spring 1104, the hollow design is adopted, so that the weight of the main body 1 can be greatly reduced, unnecessary use space is saved, the connecting rod 1102 and the bolt 1103 can be matched with the hydraulic rod 1101 to rotate and stretch, the connecting rod 1102 and the bolt are positioned at the front side and the rear side of the hydraulic rod 1101, the hollow design at the left side and the right side cannot be influenced, and in addition, the shape of the spring 1104 is conical, so that the shock absorption and protection effects of the main body 1 can be improved;

a supporting mechanism 12 is arranged above the hollow mechanism 11, the supporting mechanism 12 comprises a pad 1201 and a rotating shaft 1202, the pad 1201 is adhered to the surface of the supporting mechanism 12, and the middle of the supporting mechanism 12 is provided with a rotating shaft 1202 in a penetrating way, the lower surface of the base plate 1201 is tightly attached to the upper surface of the supporting mechanism 12, and the base plate 1201 is symmetrical about the vertical center line of the support mechanism 12, the support mechanism 12 is vertically connected with the hydraulic rod 1101, and the supporting mechanism 12 and the rotating shaft 1202 are mutually matched to form a rotating structure, the supporting mechanism 12 is positioned at the top of the main body 1, and the support mechanism 12 is foldable by the design of the shaft 1202, the support mechanism 12 is connected to the hydraulic rod 1101, and thus moves with the hydraulic rod 1101, when hydraulic lever 1101 is pressed downward, support mechanism 12 receives a downward pulling force, and is folded downward and accommodated in main body 1.

The working principle is as follows: for this kind of jack, firstly, the wrench 9 is pressed downwards by the connection relationship between the wrench 9 and the piston 8, and then the piston 8 is driven to move upwards, so that the oil in the small oil tank 3 enters the oil discharge pipe 5 through the oil inlet pipe 6, then the wrench 9 is lifted upwards, so that the oil enters the large oil tank 10 through the oil discharge pipe 5 and the oil delivery pipe 4, then the oil pressure in the large oil tank 10 rises, and the hydraulic rod 1101 is jacked upwards, and the support mechanism 12 is jacked upwards, and the height of the support mechanism 12 is increased continuously, when the hydraulic rod 1101 is jacked upwards, the connecting rod 1102 is also stretched upwards by the cooperation with the bolt 1103, so that the spring 1104 is also pulled, otherwise, the spring 1104 and the connecting rod 1102 are compressed downwards, and finally, according to the actual situation, the support rod 102 is opened by the rotation relationship between the hinge 103 and the support rod 102, so that the support rod 102 is supported and balanced at the bottom of the main body 1, the whole jack using process is completed.

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

Claims

1. Built-in conical spring cavity formula jack, including main part (1) and big oil tank (10), its characterized in that: the right side welding of main part (1) has solid fixed cylinder (2), and the inside gomphosis of solid fixed cylinder (2) installs little oil tank (3), the left side of little oil tank (3) is connected with defeated pipe (4), and the top of little oil tank (3) is connected with row oil pipe (5), the right side of arranging oil pipe (5) is connected with into oil pipe (6), advance oil pipe (6) and arrange oil pipe (5) surface and all install check valve (7), the top of advancing oil pipe (6) and arranging oil pipe (5) is connected with piston (8), the top welding of piston (8) has spanner (9), the top of big oil tank (10) is settled there is cavity mechanism (11), and big oil tank (10) are located the inside of main part (1), the top of cavity mechanism (11) is settled there is supporting mechanism (12).

2. The innerspring hollow jack of claim 1 wherein: the main part (1) comprises a clamping groove (101), a supporting rod (102) and a hinge (103), the clamping groove (101) is formed in the bottom of the main part (1), the supporting rod (102) is arranged inside the clamping groove (101), and the hinge (103) is arranged in the middle of the supporting rod (102).

3. The innerspring hollow jack of claim 2 wherein: the clamping groove (101) is matched with the supporting rod (102) in size, and the supporting rod (102) is matched with the hinge (103).

4. The innerspring hollow jack of claim 1 wherein: the hollow mechanism (11) comprises a hydraulic rod (1101), a connecting rod (1102), a bolt (1103) and a spring (1104), the hydraulic rod (1101) is installed in the middle of the hollow mechanism (11), the left side and the right side of the hydraulic rod (1101) are both connected with the connecting rod (1102), the bolt (1103) is arranged in the middle of the connecting rod (1102), and the spring (1104) is connected to the inner side of the connecting rod (1102).

5. The innerspring hollow jack of claim 4 wherein: the outer shape of the springs (1104) is conical, and the connecting rods (1102) and the springs (1104) are symmetrical about the vertical center line of the hydraulic rod (1101).

6. The innerspring hollow jack of claim 1 wherein: the supporting mechanism (12) comprises a base plate (1201) and a rotating shaft (1202), the base plate (1201) is bonded to the surface of the supporting mechanism (12), and the rotating shaft (1202) penetrates through the middle of the supporting mechanism (12).

7. The innerspring hollow jack of claim 6 wherein: the lower surface of the base plate (1201) is tightly attached to the upper surface of the supporting mechanism (12), and the base plate (1201) is symmetrical about the vertical center line of the supporting mechanism (12).

8. The innerspring hollow jack of claim 6 wherein: the supporting mechanism (12) is vertically connected with the hydraulic rod (1101), and the supporting mechanism (12) and the rotating shaft (1202) are matched with each other to form a rotating structure.