CN210088140U

CN210088140U - Portable compact type double-acting screw rod nut type hand wheel mechanism

Info

Publication number: CN210088140U
Application number: CN201920234627.1U
Authority: CN
Inventors: 何甜庭; 万洋
Original assignee: Wuxi Shenghansi Automation Engineering Co Ltd
Current assignee: Wuxi Shenghansi Automation Engineering Co Ltd
Priority date: 2019-02-25
Filing date: 2019-02-25
Publication date: 2020-02-18
Anticipated expiration: 2029-02-25

Abstract

The utility model discloses a two effect screw rod nut formula hand wheel mechanisms of portable compact, including casing and even axle piece, the end cover is installed to the right-hand member of casing, install the axle sleeve on the end cover, the right-hand member fixedly connected with push rod of even axle piece, the push rod run through the axle sleeve and with axle sleeve sliding connection, the right side fixedly connected with connecting pipe of axle sleeve, the flange is installed to the right-hand member of connecting pipe, the central department spiro union of flange has the lead screw, the hand wheel is installed to the right-hand member of lead screw, the right-hand member of push rod rotates and is connected with the gyro wheel, the outer wall of gyro wheel be equipped with the screw thread. The utility model discloses the hand wheel mechanism can drive the lead screw through rotating the hand wheel and rotate, and the lead screw promotes even axle piece and removes, realizes opening or closed, and the gyro wheel removes at the cavity of lead screw, for a two-way stroke, simple structure, and rigidity intensity is high.

Description

Portable compact type double-acting screw rod nut type hand wheel mechanism

Technical Field

The utility model relates to a pneumatic valve technical field specifically is a portable compact two effect lead screw nut formula hand wheel mechanism.

Background

The hand wheel mechanism is an auxiliary operation tool of the pneumatic valve, when the pneumatic instrument has abnormal conditions or air source faults, the hand wheel mechanism is opened or closed temporarily by the aid of the manual operation mechanism, and automatic operation is switched to after the automatic control system is recovered to be normal. The hand wheel mechanism has two types of upper mounting type and side mounting type. The upper-mounted type can only limit the stroke in a single direction, and a spiral transmission mode is often adopted. The hand wheel is arranged on the actuating mechanism and is used for driving a threaded sleeve or a nut by a screw rod, and the threaded sleeve is connected with the actuating mechanism through a connecting shaft piece. The traditional hand wheel mechanism is designed according to two strokes, the opening direction stroke and the closing direction stroke are integrated, the overall dimension is large, the rigidity is insufficient, the deformation is easy, and the appearance is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable compact two effect lead screw nut formula hand wheel mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a portable compact two effect lead screw nut formula hand wheel mechanism, includes the casing and links the axle piece, the end cover is installed to the right-hand member of casing, install the axle sleeve on the end cover, the right-hand member fixedly connected with push rod of linking the axle piece, the push rod run through the axle sleeve and with axle sleeve sliding connection, the right side fixedly connected with connecting pipe of axle sleeve, the flange is installed to the right-hand member of connecting pipe, the center department spiro union of flange has the lead screw, the hand wheel is installed to the right-hand member of lead screw, the right-hand member of push rod rotates and is connected with the gyro wheel, the outer wall of gyro.

Preferably, the cover plate is mounted on the upper side of the shell through bolts, and the connecting shaft piece is located in the inner cavity of the shell and is in sliding connection with the inner cavity of the shell.

Preferably, the inside of lead screw is equipped with cylindrical cavity and outer wall all are equipped with the screw thread, the push rod runs through the tip of lead screw and sliding connection with it.

Preferably, the roller is arranged on a step shaft at the right end of the push rod, and a thrust bearing is arranged between the left side of the roller and a shaft shoulder.

Preferably, four connecting rods are arranged between the flange and the end cover.

Preferably, the flange is connected with a limiting pin column in a threaded mode, and a circular ring is arranged at the end portion of the limiting pin column.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the hand wheel mechanism can drive the lead screw through rotating the hand wheel and rotate to the cavity of the relative lead screw of gyro wheel rotates, and the lateral shifting is realized to the gyro wheel, and then the gyro wheel passes through the push rod and promotes even axle transverse shifting, even axle drive actuating mechanism realizes the switching during use, and the gyro wheel is at the cavity displacement of lead screw, for a two-way stroke, simple structure and compactness, and rigidity intensity is high.

Drawings

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

fig. 2 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a cover plate; 3. a coupling member; 4. a push rod; 5. an end cap; 6. a thrust bearing; 7. a shaft sleeve; 8. a connecting pipe; 9. a hand wheel; 10. a flange; 11. a limit pin; 12. a connecting rod; 13. a screw rod; 14. and a roller.

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. 1-2, the present invention provides a technical solution: the utility model provides a two effect lead screw nut formula hand wheel mechanisms of portable compact, includes casing 1 and even axle piece 3, end cover 5 is installed to the right-hand member of casing 1, install axle sleeve 7 on the end cover 5, the right-hand member fixedly connected with push rod 4 of even axle piece 3, push rod 4 run through axle sleeve 7 and with axle sleeve 7 sliding connection, the right side fixedly connected with connecting pipe 8 of axle sleeve 7, flange 10 is installed to the right-hand member of connecting pipe 8, the center department spiro union of flange 10 has lead screw 13, hand wheel 9 is installed to the right-hand member of lead screw 13, the right-hand member of push rod 4 rotates and is connected with gyro wheel 14, the outer wall of gyro wheel 14 be equipped with the screw thread and with the cavity.

Specifically, a cover plate 2 is mounted on the upper side of the shell 1 through bolts, and the connecting shaft 3 is located in the inner cavity of the shell 1 and is in sliding connection with the inner cavity.

Specifically, a cylindrical cavity is formed in the screw rod 13, threads are formed in the cavity and the outer wall of the cavity, and the push rod 4 penetrates through the end portion of the screw rod 13 and is connected with the end portion in a sliding mode.

Specifically, the roller 14 is arranged on a step shaft at the right end of the push rod 4, a thrust bearing 6 is arranged between the left side of the roller 14 and a shaft shoulder, and the thrust bearings 6 are paired

Specifically, connecting rods 12 are installed between the flange 10 and the end cover 5, the number of the connecting rods 12 is four, and the connecting rods 12 play a reinforcing role.

Specifically, the flange 10 is screwed with a limit pin 11, and a circular ring is arranged at the end of the limit pin 11.

The working principle is as follows: the hand wheel mechanism can drive the screw rod 13 to rotate by rotating the hand wheel 9, so that the roller 14 rotates relative to the cavity of the screw rod 13, the roller 14 moves transversely, the roller 14 pushes the connecting shaft 3 to move transversely through the push rod 4, the connecting shaft 3 drives the actuating mechanism to open or close during use, and the roller 14 moves in the cavity of the screw rod 13 to form a bidirectional stroke, so that the opening and closing operation is convenient. The flange 10 is screwed with a limit pin 11 for limiting the hand wheel 9, so as to prevent misoperation and wrong rotation.

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. The utility model provides a portable compact two effect lead screw nut formula hand wheel mechanism, includes casing (1) and even axle piece (3), its characterized in that: end cover (5) are installed to the right-hand member of casing (1), install axle sleeve (7) on end cover (5), the right-hand member fixedly connected with push rod (4) of even axle piece (3), push rod (4) run through axle sleeve (7) and with axle sleeve (7) sliding connection, the right side fixedly connected with connecting pipe (8) of axle sleeve (7), flange (10) are installed to the right-hand member of connecting pipe (8), the center department spiro union of flange (10) has lead screw (13), hand wheel (9) are installed to the right-hand member of lead screw (13), the right-hand member of push rod (4) rotates and is connected with gyro wheel (14), the outer wall of gyro wheel (14) is equipped with the screw thread and with the cavity spiro union of lead screw (13).

2. A portable compact dual action feed screw-nut style hand wheel mechanism according to claim 1, characterized in that: the upper side of the shell (1) is provided with a cover plate (2) by bolts, and the connecting shaft piece (3) is positioned in the inner cavity of the shell (1) and is connected with the inner cavity in a sliding way.

3. A portable compact dual action feed screw-nut style hand wheel mechanism according to claim 1, characterized in that: the inside of lead screw (13) is equipped with cylindrical cavity and outer wall all are equipped with the screw thread, push rod (4) run through the tip of lead screw (13) and sliding connection with it.

4. A portable compact dual action feed screw-nut style hand wheel mechanism according to claim 1, characterized in that: the roller (14) is arranged on a step shaft at the right end of the push rod (4), and a thrust bearing (6) is arranged between the left side of the roller (14) and a shaft shoulder.

5. A portable compact dual action feed screw-nut style hand wheel mechanism according to claim 1, characterized in that: connecting rods (12) are installed between the flange (10) and the end cover (5), and four connecting rods (12) are arranged.

6. A portable compact dual action feed screw-nut style hand wheel mechanism according to claim 1, characterized in that: the flange (10) is connected with a limiting pin column (11) in a threaded mode, and a circular ring is arranged at the end portion of the limiting pin column (11).