CN219139789U

CN219139789U - Piston mechanism

Info

Publication number: CN219139789U
Application number: CN202223582994.1U
Authority: CN
Inventors: 徐跃康
Original assignee: Changzhou Shuohong Machinery Co ltd
Current assignee: Changzhou Shuohong Machinery Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-06-06
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses a piston mechanism, which comprises a cylinder body, wherein a first through hole and a second through hole are formed in the cylinder body; the piston assembly, first dwang, main dwang, second dwang, connecting rod one end and first dwang swing joint, the other end and second dwang swing joint, first dwang at least partly rotationally arranges in first through-hole, and main dwang one end and connecting rod's middle part swing joint, the other end and piston assembly swing joint, piston assembly at least partly telescopic arrangement is in the second through-hole. The utility model has simple structure, can meet more processing equipment and has more universality.

Description

Piston mechanism

Technical Field

The utility model relates in particular to a piston mechanism.

Background

In the mechanical processing equipment, a piston mechanism, such as a clamping device, is often used, and the piston reciprocates in a cylinder through a piston, so that clamping and releasing of a workpiece are realized, the reciprocating stroke of the piston mechanism in the prior art is linear, when a piston rod stretches out, the length of the piston rod is very long, and when the piston rod is installed on the miniature equipment, the piston rod stretches out and then interferes with a box body of the equipment, so that the box body of the equipment can be set very large, only if the situation that the piston rod stretches out and then does not interfere with the box body can be met, but the box body of the miniature equipment is very large, the size is increased, and therefore, the whole equipment is not attractive, and the whole equipment occupies more space.

Disclosure of Invention

The utility model provides a piston mechanism which has a simple structure and is suitable for micro equipment.

The technical scheme for solving the technical problems is as follows:

the piston mechanism comprises a cylinder body, wherein the cylinder body is provided with a first through hole and a second through hole, and further comprises;

the piston assembly, first dwang, main dwang, second dwang, connecting rod one end and first dwang swing joint, the other end and second dwang swing joint, first dwang at least partly rotationally arranges in first through-hole, and main dwang one end and connecting rod's middle part swing joint, the other end and piston assembly swing joint, piston assembly at least partly telescopic arrangement is in the second through-hole.

Further, the piston assembly comprises a piston rod and a piston, a first ball head and a second ball head are respectively arranged at two ends of the piston rod, a first bowl-shaped part is arranged at the skirt part of the piston, a second bowl-shaped part is arranged at one end of the main rotating rod, the first ball head is matched with the first bowl-shaped part, and the second ball head is matched with the second bowl-shaped part.

Further, the two ends of the connecting rod are respectively provided with a first limiting part and a second limiting part, the first limiting part is matched with the first rotating rod, and the second limiting part is matched with the second rotating rod.

Compared with the piston mechanism in the prior art, the piston mechanism provided by the utility model has the advantages that the first rotating rod, the main rotating rod, the second rotating rod and the connecting rod are arranged, so that the length of the piston assembly is shortened after the piston assembly extends out of the cylinder body, the normal installation and use of the whole piston mechanism cannot be influenced because the extending length of the piston assembly is too long, the piston mechanism is simple, and the whole mechanism is smaller and has higher universality under the condition that the normal extension and retraction of the piston assembly are not influenced.

Drawings

FIG. 1 is a schematic diagram of a piston mechanism according to the present utility model;

FIG. 2 is a perspective view of a cylinder;

FIG. 3 is a perspective view of a piston;

FIG. 4 is a perspective view of the main rotating lever;

FIG. 5 is a perspective view of the piston rod;

fig. 6 is a perspective view of the connecting rod.

The reference symbols in the drawings:

a cylinder body 1, a first through hole 1-1, a second through hole 1-2, a first rotating rod 2, a main rotating rod 3, a second bowl-shaped part 3-1, a second rotating rod 4, a connecting rod 5, a first limiting part 5-1, a second limiting part 5-2, a piston rod 6, a first ball head 6-1, a second ball head 6-2, a piston 7, a first bowl-shaped part 7-1,

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description.

As shown in fig. 1 to 6, the piston mechanism comprises a cylinder body 1, wherein a first through hole 1-1 and a second through hole 1-2 are arranged on the cylinder body 1, and the piston mechanism further comprises;

the piston assembly, first dwang 2, main dwang 3, second dwang 4, connecting rod 5 one end and first dwang 2 swing joint, the other end and second dwang 4 swing joint, first dwang 2 at least partly rotationally arrange in first through-hole 1-1, main dwang 3 one end and connecting rod 5's middle part swing joint, the other end and piston assembly swing joint, piston assembly at least partly telescopically arranges in second through-hole 1-2.

In this embodiment, after pressure is applied to the second through hole 1-2 of the cylinder 1, the piston assembly located in the second through hole 1-2 is extended downward due to hydraulic pressure, at this time, the piston assembly drives the connecting rod 5 to rotate, then the connecting rod 5 drives the main rotating rod 3 to rotate, the main rotating rod 3 drives the first rotating rod 2 and the second rotating rod 4 to rotate, when the main rotating rod 3 rotates, the first rotating rod 2 rotates in the first through hole 1-1, and after the pressure is released in the second through hole 1-2 of the cylinder 1, the piston assembly retracts into the second through hole 1-2, at this time, the piston assembly drives the first rotating rod 2, the main rotating rod 3, the second rotating rod 4 and the connecting rod 5 to rotate, so that the first rotating rod 2, the main rotating rod 3, the second rotating rod 4 and the connecting rod 5 reciprocate by extending and retracting the piston assembly.

According to the utility model, the first rotating rod 2, the main rotating rod 3, the second rotating rod 4 and the connecting rod 5 are arranged, so that the piston assembly is prevented from extending too long in reciprocating motion, and the piston assembly is not beneficial to being used on micro equipment.

As shown in fig. 1 to 5, the piston assembly comprises a piston rod 6 and a piston 7, wherein a first ball head 6-1 and a second ball head 6-2 are respectively arranged at two ends of the piston rod 6, a first bowl-shaped part 7-1 is arranged at the skirt part of the piston 7, a second bowl-shaped part 3-1 is arranged at one end of the main rotating rod 3, the first ball head 6-1 is matched with the first bowl-shaped part 7-1, and the second ball head 6-2 is matched with the second bowl-shaped part 3-1.

In this embodiment, the piston 7 reciprocates in the second through hole 1-2, so that the piston rod 6 drives the first rotating rod 2, the main rotating rod 3, the second rotating rod 4 and the connecting rod 5 to reciprocate, and the second rotating rod 4 is connected with a clamping device and can still be applied to a clamping mechanism on mechanical equipment.

As shown in fig. 6, two ends of the connecting rod 5 are respectively provided with a first limiting part 5-1 and a second limiting part 5-2, the first limiting part 5-1 is matched with the first rotating rod 2, and the second limiting part 5-2 is matched with the second rotating rod 4.

In this embodiment, the first limiting portion 5-1 and the second limiting portion 5-2 can limit the first rotating rod 2 and the second rotating rod 4 to be separated from the connecting rod 5 during rotation, so as to prevent the whole mechanism from losing the rotating force.

Finally, it should be explained that: the above embodiments are merely illustrative of the preferred embodiments of the present utility model, and not limiting the scope of the present utility model; although the utility model has been described in detail with reference to the foregoing embodiments, it will be appreciated by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions.

Claims

1. The piston mechanism comprises a cylinder body (1), wherein a first through hole (1-1) and a second through hole (1-2) are formed in the cylinder body (1), and the piston mechanism is characterized by further comprising;

the piston assembly, first dwang (2), main dwang (3), second dwang (4), connecting rod (5) one end and first dwang (2) swing joint, the other end and second dwang (4) swing joint, first dwang (2) at least partly rotationally arrange in first through-hole (1-1), the middle part swing joint of main dwang (3) one end and connecting rod (5), the other end and piston assembly swing joint, piston assembly at least partly telescopic arrangement is in second through-hole (1-2).

2. The piston mechanism according to claim 1, wherein the piston assembly comprises a piston rod (6) and a piston (7), two ends of the piston rod (6) are respectively provided with a first ball head (6-1) and a second ball head (6-2), a skirt portion of the piston (7) is provided with a first bowl-shaped portion (7-1), one end of the main rotating rod (3) is provided with a second bowl-shaped portion (3-1), the first ball head (6-1) is matched with the first bowl-shaped portion (7-1), and the second ball head (6-2) is matched with the second bowl-shaped portion (3-1).

3. The piston mechanism according to claim 1, wherein the two ends of the connecting rod (5) are respectively provided with a first limiting part (5-1) and a second limiting part (5-2), the first limiting part (5-1) is matched with the first rotating rod (2), and the second limiting part (5-2) is matched with the second rotating rod (4).