CN110847790A

CN110847790A - Manual stroke control mechanism

Info

Publication number: CN110847790A
Application number: CN201911327052.9A
Authority: CN
Inventors: 李月娟; 奚海珍; 王龙
Original assignee: CSR Qishuyan Co Ltd
Current assignee: CRRC Qishuyan Co Ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-02-28

Abstract

The invention relates to the technical field of shutter control devices, in particular to a manual stroke control mechanism which comprises a shell, wherein the shell comprises a first cover body and a second cover body, a round hole for a rotating shaft to pass through is formed in the left side of the first cover body, a notch is formed in the right side of the top surface of the first cover body, the notch and the second cover body form a rotating area of an opening positioning handle, an opening positioning rotating shaft connected with a shutter is arranged in the shell, the opening positioning rotating shaft is welded with the opening positioning handle and a ratchet wheel, the opening positioning handle is arranged in the rotating area, and a positioning pin assembly used for controlling the rotating angle of the ratchet wheel is arranged on the second cover. The invention converts the stroke mode of the shutter from the original linear motion into the rotary arc line, and the open notch of the shutter frame is changed into the sealed round hole which only needs to ensure the rotating shaft to pass through, thereby realizing beautiful appearance and good sealing property while meeting the function, and having simple and light operation.

Description

Manual stroke control mechanism

Technical Field

The invention relates to the technical field of shutter control devices, in particular to a manual stroke control mechanism.

Background

The locomotive shutter opening mechanism usually adopts a rack pull-down structure, the movement stroke of opening the blades is the same as that of the rack, and the defects that the rack is pulled down difficultly, the length of a gap at a shutter window frame is too large, and the sealing of the gap cannot be realized are overcome. The problems that the air inlet in a locomotive chamber needs to be filtered, the requirement on attractiveness is high and the like in areas with severe locomotive operating environments are urgently solved. A new structure, namely a novel manual stroke control mechanism, needs to be designed aiming at the existing problems.

Disclosure of Invention

In order to overcome the defects of the prior shutter control device technology, the invention provides a manual stroke control mechanism.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a manual stroke control mechanism, includes the casing, the casing includes first lid and second lid, and first lid left side is provided with the round hole that supplies the pivot to pass through, and first lid top surface right side is provided with the notch, and notch and second lid form the rotation district of aperture location handle, are provided with the aperture location pivot of being connected with the shutter in the casing, and the welding has aperture location handle and ratchet in the aperture location pivot, and aperture location handle sets up in the rotation district, is provided with the locating pin assembly that is used for controlling ratchet turned angle on the second lid.

According to another embodiment of the present invention, the cover further comprises a middle portion of the first cover and a middle portion of the second cover both having an arch structure.

According to another embodiment of the present invention, the first cover is connected to the cylindrical pin and the second cover by a first screw.

According to another embodiment of the invention, a first elastic pad sleeved on the first screw is arranged between the first screw and the first cover body.

According to another embodiment of the present invention, it further comprises that the cross section of the notch is an arc structure.

According to another embodiment of the invention, the left end of the rotating shaft passes through the round hole to be connected with the shutter, and the right end of the rotating shaft is rotatably connected with the inner wall of the right side of the second cover body.

According to another embodiment of the invention, the positioning pin assembly further comprises a locking bolt, a guide housing, a spring and a fixture block, the locking bolt penetrates through the guide housing, is sleeved with the spring and is screwed into the fixture block to form a whole, the fixture block is arranged in the second cover body, the bottom end of the fixture block is abutted against the ratchet wheel, the upper end of the spring is abutted against the guide housing, and the lower end of the spring is abutted against the top end of the fixture block.

According to another embodiment of the present invention, further comprising a guide housing coupled to the second cover by a second screw.

According to another embodiment of the invention, a second elastic pad sleeved on the second screw is arranged between the second screw and the second cover body.

The invention has the beneficial effects that: the invention converts the stroke mode of the shutter from the original linear motion into the rotary arc line, and the open notch of the shutter frame is changed into the sealed round hole which only needs to ensure the rotating shaft to pass through, thereby realizing beautiful appearance and good sealing property while meeting the function, and having simple and light operation: when the device is opened, the opening positioning handle is pushed upwards and is stopped at a proper position as required; when the door is closed, the locking bolt is lifted by hands.

Drawings

The invention is further illustrated with reference to the following figures and examples.

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic left side view of the present invention;

FIG. 4 is a schematic structural view of the A-A section of the present invention.

In the figure, the device comprises a first cover body 1, a second cover body 2, a rotating area 3, a round hole 4, a notch 5, an opening positioning rotating shaft 6, an opening positioning handle 7, an opening positioning handle 8, a ratchet wheel 9, a first screw 10, a first elastic pad 11, a locking bolt 12, a guide housing 13, a spring 14, a clamping block 15, a second screw 16, a second elastic pad 17 and a cylindrical pin.

Detailed Description

As shown in fig. 1, which is a schematic structural diagram of the present invention, a manual stroke control mechanism includes a housing, the housing includes a first cover 1 and a second cover 2, a circular hole 3 for a rotating shaft 6 to pass through is disposed on the left side of the first cover 1, a notch 4 is disposed on the right side of the top surface of the first cover 1, as shown in fig. 2, the notch 4 and the second cover 2 form a rotating area 5 of an opening positioning handle 7, an opening positioning rotating shaft 6 connected to a louver is disposed in the housing, the opening positioning rotating shaft 6 is welded with the opening positioning handle 7 and a ratchet 8, the opening positioning handle 7 is disposed in the rotating area 5, and a positioning pin assembly for controlling the rotating angle of the ratchet 8 is disposed on the second cover 2. The invention converts the stroke mode of the shutter from the original linear motion into the rotary arc line, and the open notch of the shutter frame is changed into the sealed round hole 3 which only needs to ensure the rotating shaft to pass through, thereby realizing beautiful appearance and good sealing property while meeting the function, and having simple and light operation: when the opening device is opened, the opening positioning handle 7 is pushed upwards and is stopped at a proper position as required; when closing, the locking bolt 11 is lifted by hand.

The middle parts of the first cover body 1 and the second cover body 2 are both of an arch structure, the first cover body 1 is connected with the cylindrical pin 17 and the second cover body 2 through the first screw 9, a first elastic pad 10 sleeved on the first screw 9 is arranged between the first screw 9 and the first cover body 1, the cylindrical pin 17 and the first screw 9 are correspondingly arranged, and the cylindrical pin 17 is arranged below the first screw 9.

As shown in fig. 3, the cross section of the notch 4 is an arc-shaped structure.

The left end of the rotating shaft penetrates through the round hole 3 to be connected with the shutter, and the right end of the rotating shaft is rotatably connected with the inner wall of the right side of the second cover body 2.

As shown in fig. 4, the positioning pin assembly comprises a locking bolt 11, a guide housing 12, a spring 13 and a fixture block 14, the locking bolt 11 penetrates through the guide housing 12, is screwed into the fixture block 14 to form a whole after being sleeved with the spring 13, the fixture block 14 is arranged in the second cover body 2, the bottom end of the fixture block 14 is abutted to the ratchet wheel 8, the upper end of the spring 13 is abutted to the guide housing 12, and the lower end of the spring 13 is abutted to the top end of the fixture block 14.

The guide housing 12 is connected with the second cover body 2 through a second screw 15, and a second elastic pad 16 sleeved on the second screw 15 is arranged between the second screw 15 and the second cover body 2.

The first embodiment is as follows: when the shutter is opened, a user pushes the opening positioning handle 7 upwards, the opening positioning handle 7 drives the opening positioning rotating shaft 6 to rotate, so that the shutter is opened, at the moment, the ratchet wheel 8 rotates, the clamping block 14 is extruded to rise, after the ratchet wheel 8 rotates by one tooth, the clamping block 14 returns under the elastic force action of the spring 13, the shutter stops at a proper position as required, and the opening positioning rotating shaft 6 can be prevented from rotating when the ratchet wheel 8 and the clamping block 14 are matched.

Example two: when the shutter is closed, a user lifts the locking bolt 11 by hand, and as the clamping block 14 is connected with the locking bolt 11 through the spring 13, the clamping block 14 is lifted after the locking bolt 11 is lifted, the ratchet wheel 8 can rotate freely after losing the limit of the clamping block 14, and the opening positioning handle 7 is pushed downwards to reset the shutter.

The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a manual stroke control mechanism, characterized by, which comprises a housin, the casing includes first lid (1) and second lid (2), first lid (1) left side is provided with round hole (3) that supply pivot (6) to pass through, first lid (1) top surface right side is provided with notch (4), notch (4) and second lid (2) form rotation district (5) of aperture location handle (7), be provided with aperture location pivot (6) of being connected with the shutter in the casing, the welding has aperture location handle (7) and ratchet (8) on aperture location pivot (6), aperture location handle (7) set up in rotation district (5), be provided with the locating pin assembly that is used for controlling ratchet (8) turned angle on second lid (2).

2. A manual stroke control mechanism according to claim 1 wherein the first cover (1) and the second cover (2) are each of domed construction at their central portions.

3. A manual stroke control mechanism according to claim 1 wherein the first cover (1) is connected to the pin (17) and the second cover (2) by a first screw (9).

4. A manual stroke control mechanism according to claim 3 wherein a first resilient pad (10) is provided between the first screw (9) and the first cover (1) and is arranged to fit over the first screw (9).

5. A manual stroke control mechanism according to claim 1 wherein the notches (4) are arcuate in cross-section.

6. A manual stroke control mechanism according to claim 1, wherein the left end of the rotary shaft is connected to the louver through the circular hole (3), and the right end of the rotary shaft is rotatably connected to the right inner wall of the second cover (2).

7. A manual stroke control mechanism according to claim 1, wherein the locating pin assembly comprises a locking bolt (11), a guide housing (12), a spring (13) and a clamping block (14), the locking bolt (11) penetrates through the guide housing (12), the locking bolt is screwed into the clamping block (14) to form a whole after being sleeved with the spring (13), the clamping block (14) is arranged in the second cover body (2), the bottom end of the clamping block (14) is abutted against the ratchet wheel (8), the upper end of the spring (13) is abutted against the guide housing (12), and the lower end of the spring (13) is abutted against the top end of the clamping block (14).

8. A manual stroke control mechanism according to claim 1 wherein the guide housing (12) is connected to the second cover (2) by a second screw (15).

9. A manual stroke control mechanism according to claim 8 wherein a second resilient pad (16) is provided between the second screw (15) and the second cover (2) and over the second screw (15).