CN107665791B

CN107665791B - Handle assembly suitable for operating rod sequence control and self-locking mechanism

Info

Publication number: CN107665791B
Application number: CN201610602898.9A
Authority: CN
Inventors: 韩嘉骅; 胡宇宙; 韩富
Original assignee: Chengdu Anyu Technology Co ltd
Current assignee: Chengdu Anyu Technology Co ltd
Priority date: 2016-07-28
Filing date: 2016-07-28
Publication date: 2021-04-30
Anticipated expiration: 2036-07-28
Also published as: CN107665791A

Abstract

The invention discloses a handle assembly suitable for an operating rod sequence control and self-locking mechanism. The lower end of the handle component is fixedly connected with the operating rod part, and the operating rod component and the handle component are internally provided with at least one flexible connecting piece such as a steel wire used for unlocking the operating rod component. The invention has the beneficial effects that: the handle assembly with proper size, safety, reliability, high operation convenience and wide application is provided for the operating rod device with sequential control and self-locking functions.

Description

Handle assembly suitable for operating rod sequence control and self-locking mechanism

Technical Field

The invention relates to the technical field of walking machinery such as vehicles or other industrial control, in particular to a handle assembly suitable for an operating lever sequence control and self-locking mechanism.

Background

A gear operating mechanism on a walking machine such as a vehicle is a functional part and a moving part, and an operating lever sequence control and self-locking mechanism is used as a part of the gear operating mechanism directly operated by a user and needs to have better operability, higher safety, higher reliability and higher functional integration. The existing operating rod mechanism with the self-locking function and the handle component part generally have the problems of uncomfortable holding feeling, inconvenient gear shifting, easy gear jumping in operation and the like. Therefore, the invention provides the handle assembly which has comfortable holding feeling, simple and convenient operation on the self-locking function, difficult misoperation, gear jumping and other phenomena during operation, meets the requirements of the sequence control and the self-locking function of the operating rod, and has simple structure, thereby having wide application in a plurality of industrial control fields.

Disclosure of Invention

In order to solve the technical defects that an operating rod mechanism and a handle assembly thereof in the prior art are easy to operate mistakenly and have structural defects that an operator is uncomfortable after long-term use and the like, the invention provides the handle assembly for the operating rod sequence control and self-locking mechanism, which is particularly suitable for a circular gear shifting operating mechanism or a gear shifting operating mechanism. The convenience of operation and the safety and reliability of gear positioning self-locking are utilized, and in addition, a switch button, other signal generating devices or other buttons for realizing mechanism movement are integrated on a handle assembly, so that the functions of the handle operating rod are richer, and the integration is improved. Thereby effectively meeting the increasing use requirements of users.

In order to achieve the purpose, the invention adopts the technical scheme that:

a handle assembly suitable for an operating rod sequence control and self-locking mechanism comprises a handle shell and a button sleeved in the handle shell and used for controlling the self-locking of the mechanism; or the handle assembly comprises a button sleeved in the handle shell and used for controlling the self-locking of the mechanism, and a sliding block used for driving and fixing the flexible connecting piece. The lower end of the handle shell is fixedly connected with an operation rod part matched with the handle shell, and the handle component is internally provided with at least one flexible connecting piece, and one of the flexible connecting pieces is a steel wire.

Furthermore, a sliding groove for the sliding of the sliding block for driving and fixing the flexible connecting piece is formed in the handle shell, and the sliding groove penetrates through the whole handle or part of the space in the handle.

Preferably, the handle shell is internally provided with a sliding groove for the sliding of the button, and the sliding groove penetrates through the whole handle or part of the space inside the handle. The sliding chute for driving and fixing the sliding block of the flexible connecting piece and the sliding chute for the button to slide are the same sliding chute or two different sliding chutes.

Furthermore, a button self-locking by the control mechanism is connected with the handle shell in a sliding way; or the sliding block which drives and fixes the flexible connecting piece is connected with the handle shell in a sliding way; or the self-locking button of the control mechanism is connected with the sliding block which drives and fixes the flexible connecting piece, and the whole formed by connection is then in sliding connection with the handle shell.

Furthermore, the bottom of the handle shell is provided with a third through hole, and the handle shell is connected or fixedly connected with the operating rod part through the third through hole.

Preferably, a half through hole or a through hole for installing an external button switch or an external signal generating device and a wire is formed at one end of the handle housing, and the half through hole or the through hole is communicated with the third through hole.

More preferably, at least one limiting hole or a limiting groove is formed in one or both of the button and the slider of the driving and fixing flexible connector, a positioning pin mounting hole is formed in the handle housing at a position opposite to the position where the limiting hole or the limiting groove is formed in the button or the slider of the driving and fixing flexible connector, and is used for controlling the sliding range of the button and the slider of the driving and fixing flexible connector relative to the handle housing, one of shape selection modes of the slider of the driving and fixing flexible connector is a half cylinder or a similar cylinder, and selectable items of the positioning pin mounting hole include, but are not limited to, a screw mounting hole or a pin mounting hole; the other limiting mode is that at least one positioning pin mounting hole is formed in one of the button and the sliding block for driving and fixing the flexible connecting piece or both the button and the sliding block for driving and fixing the flexible connecting piece, and a limiting hole or a limiting groove is formed in the position, opposite to the position where the positioning pin mounting hole is formed in the button or the sliding block for driving and fixing the flexible connecting piece, on the handle shell.

Preferably, at least one limiting hole or limiting groove is formed in the sliding block for driving and fixing the flexible connecting piece, a positioning pin mounting hole is formed in the handle shell and at the position, opposite to the position where the limiting hole or limiting groove is formed in the sliding block for driving and fixing the flexible connecting piece, and is used for controlling the sliding range of the button relative to the handle shell, and one of appearance selection modes of the sliding block for driving and fixing the flexible connecting piece is a semi-cylinder.

Preferably, one end of the handle shell is provided with a pulley mounting hole matched with the shape of the pulley, and the selectable range of the pulley mounting hole comprises but is not limited to a stepped hole; the pulley mounting hole is communicated with the third through hole, and the tail end of the pulley mounting hole is preferably but not limited to semicircular in shape; one of the pulley appearances is a stepped cylinder, the left outer end and the right outer end of the pulley are directly installed in a sliding groove of the pulley installation hole or installed in the sliding groove after being sleeved with a bearing, the flexible connecting piece is fixedly connected to the sliding block by bypassing the pulley, and one of the fixing modes is fixed by using a fixing threaded hole.

Preferably, the other end of the handle shell opposite to the end where the button is installed is provided with an end cover, the other end of the handle shell is at least provided with an installation hole for installing the end cover, and one of the selection modes of the installation hole is circular.

Furthermore, one end of the end cover is a semicircular cuboid at the tail end and is sleeved on the outer rings at two ends of the pulley or the outer ring of the rolling bearing, the other end of the end cover is sleeved in the mounting hole, and the handle shell is fixedly connected or connected with the end cover; one of the options of the end cap is to decompose into a combination of a cylindrical part and a cuboid part with a semicircular tail end or a combination of a plurality of parts.

Preferably, the mounting hole is a cylindrical or conical mounting hole. The end cover is an end cover with a cylindrical or conical tail end.

Furthermore, the tail end of the sliding block for driving and fixing the flexible connecting piece is provided with a wiring hole or a wiring groove for penetrating the flexible connecting piece and a fixing threaded hole for fixing the flexible connecting piece.

Preferably, the handle housing is cylindrical, spindle-shaped or ergonomically designed.

Preferably, the flexible connecting piece is wound around the pulley, passes through the steel wire wiring hole or the wiring groove and then is fixedly connected to the sliding block (126).

Preferably, the slider of the driving and fixing flexible connector is divided into two or more parts, wherein the part close to the button is combined with the button to form a new button, and the remaining part is combined with the slider of the new driving and fixing flexible connector, or the button is combined with the slider of the driving and fixing flexible connector to form a new part or an integral device.

The invention has the beneficial effects that: the handle combination structure suitable for the operating rod sequence control and self-locking mechanism is simple in structure, small in size, high in safety, reliability and integration, convenient to operate and wide in application range.

Description of the drawings:

fig. 1 and 2 are schematic structural views of a handle assembly suitable for a lever sequence control and self-locking mechanism according to a first embodiment of the invention;

FIG. 3 is an exploded view of a handle assembly suitable for use with the lever sequence control and self-locking mechanism in accordance with the first embodiment of the present invention;

FIG. 4, FIG. 5, FIG. 6 are schematic views of a handle housing of the first embodiment of the present invention;

FIG. 7 and FIG. 8 are schematic views of the button and the slider for driving and fixing the flexible connecting element according to the first embodiment of the present invention;

FIG. 9 is a schematic view of a pulley of the first embodiment of the present invention;

FIG. 10 is a schematic view of a right end cap of the first embodiment of the present invention;

in the figure, the position of the upper end of the main shaft,

123. a handle housing; 124. an end cap; 125. a button; 126. a slider; 127. a pulley; 128. a flexible connector; 1231. a third through hole; 1232. semi-vias or vias; 1233. a chute; 1234. a circular hole; 1235. a stepped hole; 1241. positioning the threaded hole; 1261. a wiring hole or a wiring duct; 1262. fixing the threaded hole; 1263. a positioning pin mounting hole; 1264. a limiting hole or a limiting groove.

Detailed Description

The structure of the present invention will be explained in detail below with reference to the accompanying drawings.

The invention provides a handle assembly of an operating lever sequence control and self-locking mechanism, which comprises a handle shell 123 and a button 125 which is sleeved in the handle shell 123 and used for controlling the self-locking of the mechanism; or the handle assembly comprises a button 125 which is sleeved in the handle shell 123 and controls the self-locking of the mechanism, and a sliding block 126 which drives and fixes the flexible connecting piece. The lower end of the handle shell 123 is fixedly connected with an operation rod part which can be matched with the handle shell, and the handle component is internally provided with at least one flexible connecting piece, and one of the flexible connecting pieces is a steel wire.

In the handle assembly of the operating lever sequence control and self-locking mechanism provided by the invention, the handle shell 123 is internally provided with a sliding groove 1233 which penetrates through the whole handle.

According to the handle assembly of the operating rod sequence control and self-locking mechanism provided by the invention, the button 125 for self-locking of the control mechanism is connected with the handle shell 123 in a sliding manner; or a button 125 for self-locking of the control mechanism and a slide block 126 for driving and fixing the flexible connecting piece are fixedly connected and then are in sliding connection with the handle shell 123.

According to the handle assembly of the operating rod sequence control and self-locking mechanism provided by the invention, the bottom of the handle shell 123 is provided with the third through hole 1231, and the handle shell 123 is fixedly connected with the operating rod part through the third through hole 1231.

According to the handle assembly of the operating rod sequence control and self-locking mechanism, the handle shell 123 is a cylindrical shell, one end of the handle shell 123 is provided with a half through hole 1232 for installing an external button switch or an external signal generating device and a wire, and the half through hole 1232 is communicated with the third through hole 1231.

According to the handle assembly of the operating rod sequence control and self-locking mechanism, at least one limiting hole or limiting groove 1264 is formed in the sliding block 126 for driving and fixing the flexible connecting piece, and a positioning pin mounting hole 1263 is formed in the handle shell 123 at a position opposite to the edge of the position where the limiting hole or limiting groove 1264 is formed in the sliding block 126 for driving and fixing the flexible connecting piece, and is used for controlling the displacement range of the button; the slider 126 for driving and fixing the flexible connector is a semi-cylinder, and a wire hole or a wire groove 1261 for passing a steel wire and a fixing threaded hole 1262 for fixing the steel wire are formed on the end of the slider.

According to the handle assembly of the operating rod sequence control and self-locking mechanism provided by the invention, the other end of the handle shell 123 is provided with a stepped hole 1235 matched with the pulley 127, the tail end of the stepped hole 1235 is semicircular, and the hole 1235 is communicated with the third through hole 1231 but is not communicated with the semi-through hole 1232 for installing an external button switch or an external signal generating device and a lead. The pulley 127 is a stepped cylinder, the left and right outer ends of the pulley 127 can be sleeved with rolling bearings and mounted in the sliding groove, and the steel wire passes through a steel wire wiring hole or wiring groove 1261 around the pulley 127 and is fixedly connected with a fixing threaded hole 1262 on the sliding block 126.

According to the handle assembly of the lever sequence control and self-locking mechanism provided by the invention, the other end of the handle housing 123 is provided with the end cover 124, and the other end of the handle housing 123 is at least provided with a circular hole 1234 for installing the end cover 124.

According to the handle assembly of the operating lever sequence control and self-locking mechanism, one end of the end cover 124 is a semicircular cuboid at the tail end and is sleeved on the outer ring of the pulley 127 or the outer ring of the rolling bearing, the other end of the end cover is a cylinder and is sleeved in the circular hole 1234, the upper end and the lower end of the circumferential surface of the end cover 124 are respectively provided with a positioning threaded hole 1241, the positions, opposite to the positioning threaded holes 1241 at the upper end and the lower end of the end cover 124, of the handle shell 123 are respectively provided with a countersunk hole, and the handle shell 123 is fixedly connected with the end.

The detailed description and the mounting, cooperation, operation and functions of the main components will be described in detail with reference to the accompanying drawings.

FIGS. 1 and 2 are schematic views of a handle assembly suitable for use in a lever sequence control and self-locking mechanism, FIGS. 4 and 5 and 6 are schematic views of a handle housing according to a first embodiment of the present invention; the handle housing 123 may be cylindrical, spindle-shaped, handle-shaped, or other comfortable gripping features. Function holes are opened around the surface of the handle case 123, and the function holes include at least a mounting hole connected to the lever case. Preferably, the function hole may include a button switch mounting hole 1232 for implementing a specific function and a button mounting hole for self-locking of the control mechanism; preferably, the functional hole comprises a stepped hole 1235 in which the pulley 127 is mounted. Preferably, the function hole may include a circular hole 1234 for mounting an end cap, and more preferably, the button switch mounting hole 1232 for performing a specific function and the button mounting hole for self-locking of the control mechanism are integrated on one end surface of the handle housing 123. The handle housing 123 is connected with a certain operating rod housing through a mounting hole thereof by a screw. A button switch is arranged in the button switch mounting hole 1233 for realizing the machine operation; the button switch mounting hole 1233 for realizing the machine operation is directly or indirectly communicated with the third through hole 1231 in the vertical direction in the horizontal direction, the intersection of the two holes is rounded, and a lead of the button switch enters and exits from the intersection.

When the button switch mounting hole 1232 for realizing the specific function and the button mounting hole for self-locking the control mechanism are integrated into one end surface hole, the specific function and the gear shifting self-locking function can be realized at the same time, and the two functions are not interfered with each other. Preferably, the sliding groove 1233 extends through the handle housing 123.

The other end of the handle housing 123 is integrated with two holes, one is a circular hole 1234 for installing the end cover, the other is a stepped hole 1235 for installing the pulley, the depth of the stepped hole 1235 is deeper than that of the circular hole 1234, the circular hole 1234 is larger than the shape of the stepped hole 1235, the stepped hole 1235 is used for installing the stepped pulley 127, and the stepped hole 1235 is directly or indirectly communicated with the third through hole 1231 in the vertical direction in the horizontal direction, but is not directly communicated with the specific button switch installation hole 1232. The tail end of the stepped hole 1235 is of a semicircular structure, and the pulley can be installed at the semicircular tail end of the stepped hole 1235 by installing the rolling bearing or not installing the rolling bearing.

[ effect: firstly, providing good operation feeling for users, further installing the button 125 to realize self-locking and unlocking functions or directly installing other switches and functional parts ]

Fig. 7 and 8 show the button 125 and the slider 126 of the control mechanism self-locking, which can be integrated into a single component or an integrated device, the button 125 of the control mechanism self-locking is a cylinder with an arch-shaped structure at the lower end, the outer edge of the cylinder is chamfered with a large round angle, the arch-shaped structure is used for installing a button switch or other signal generating devices for realizing specific functions, and the button switch is installed on the button switch installation hole 1232 by means of threads and the like. The slider 126 is a semi-cylinder structure, the extending part of the tail end of the slider is used for processing a steel wire wiring hole, the edge of the wiring hole needs to be rounded, a limiting hole or a limiting groove 1264 is formed in the contact part of the middle part of the slider 126 and the inner surface of the handle shell 123, meanwhile, a positioning pin mounting hole 1263 is formed in the outer surface of the handle shell 123 and matched with the limiting hole or the limiting groove 1264, so that the displacement range of the button is limited, and a thread fixing hole 1262 is formed in the surface of the tail end of the slider 126 and used for fixing a flexible connecting piece.

[ effect: the button and the sliding block can be made of different materials, but the integration of the button and the sliding block facilitates the processing and the batch production, and can also carry out other functions, the sliding block 126 and the steel wire are relatively fixed together, the movement of the button can drive the movement of the sliding block and further drive the movement of the steel wire, thereby realizing the unlocking and the self-locking of the self-locking mechanism

Fig. 9 shows a pulley 127, which is a stepped cylindrical structure, the left and right ends of the pulley 127 may be sleeved or not sleeved with rolling bearings and installed at the end of the stepped hole 1235, a steel wire passes through a wire routing hole 1261 around the radial surface of the pulley 127 through the third through hole 1231 and then is wound around a screw to be fixedly connected to a fixing threaded hole 1262 on the slider 126, particularly, if the pulley is not sleeved with a rolling bearing, the steel wire is easy to form sliding friction on the surface of the pulley along with the displacement of the button, which has a certain influence on the service life of the steel wire and the pulley, and the requirement on the surface roughness of the pulley is also raised.

[ effect: 1. changing the direction of the wire under load, replacing sliding friction with rolling friction ]

Fig. 10 shows a handle end cap 124, where the handle end cap 124 is a cylinder, and is in clearance fit with a circular hole 1234 of a handle housing 123, one end of the handle end cap extends out of a cuboid whose tail end is a semicircular hole, and is tightly attached to an outer ring of a pulley or an outer ring of a rolling bearing in order to fix the pulley or fix a pulley of a sleeved bearing, especially, if the handle end cap is in fit with the outer ring of the pulley, friction between a steel wire and the pulley is mainly sliding friction, if the handle end cap is in fit with the outer ring of the rolling bearing, friction between the steel wire and the pulley is mainly rolling friction, two positioning threaded holes 1241 are uniformly distributed on the circumferential surface of the handle end cap, a countersunk hole is formed in a position of the handle housing 123 opposite to the positioning threaded holes 1241 at the upper and lower ends.

[ effect: 1. the extending end of the end cover props against the pulley or the pulley sleeved with the bearing to assist in fixing the position of the pulley 2. the button drives the steel wire to move left and right through the slider, and the steel wire is lifted up and down through the cooperation of the pulley

The invention is not limited to the above preferred embodiments, but includes all modifications, equivalents, and simplifications that may be made by those skilled in the art without departing from the spirit of the invention.

Claims

1. A handle component suitable for an operating rod sequence control and self-locking mechanism comprises a self-locking button (125) sleeved in a handle shell (123) and used for controlling the self-locking of the mechanism, and a sliding block (126) used for driving and fixing a flexible connecting piece; the lower end of the handle shell (123) is fixedly connected with an operation rod part matched with the handle shell, and the handle component is internally provided with at least one flexible connecting piece;

a third through hole (1231) is formed in the bottom of the handle shell (123), and the handle shell (123) is connected with the operation rod part through the third through hole (1231);

a sliding groove (1233) for driving and fixing the sliding block of the flexible connecting piece to slide is formed in the handle shell (123);

one end of the handle shell (123) is provided with a pulley mounting hole matched with the shape of the pulley (127), and the pulley mounting hole (1235) is communicated with the third through hole (1231); the tail end of the pulley mounting hole (1235) is semicircular, the pulley (127) is in a shape of a stepped cylinder, the left outer end and the right outer end of the pulley (127) are directly mounted in the sliding groove or mounted in the sliding groove of the pulley mounting hole after being sleeved with a rolling bearing, and the flexible connecting piece is fixedly connected to the sliding block (126) by bypassing the pulley (127).

2. The handle assembly of claim 1, wherein the chute extends through the entire handle interior or through a portion of the space within the handle interior; a sliding groove for sliding the button is formed in the handle shell (123), and the sliding groove for sliding the button penetrates through the whole handle or a part of space in the handle; the sliding chute for driving and fixing the sliding block of the flexible connecting piece and the sliding chute for the button to slide are the same sliding chute or two different sliding chutes.

3. The handle assembly according to claim 2, wherein a self-locking button (125) of the control mechanism is slidably connected to the handle housing (123); or a sliding block (126) which drives and fixes the flexible connecting piece is connected with the handle shell (123) in a sliding way; or a self-locking button (125) self-locked by the control mechanism is connected with a sliding block (126) driving and fixing the flexible connecting piece, and the whole formed by connection is then in sliding connection with the handle shell (123).

4. The handle assembly according to claim 1, wherein the handle housing (123) has a through hole (1232) formed at one end thereof for installing an external push button switch or an external signal generating device and a wire, and the through hole (1232) communicates with the third through hole (1231).

5. The handle assembly according to claim 4, wherein at least one of the latching button (125) and the slider (126) of the entraining and retaining flexible link has at least one retaining hole or groove (1264) formed therein or thereon, a positioning pin mounting hole (1263) is arranged at the position of the handle shell (123) opposite to the position where the self-locking button (125) or the slide block (126) for driving and fixing the flexible connecting piece is provided with a limiting hole or a limiting groove (1264), used for controlling the sliding range of a self-locking button (125) and a sliding block (126) which drives and fixes the flexible connecting piece relative to the handle shell (123), the shape of the sliding block (126) for driving and fixing the flexible connecting piece is a semi-cylinder, and the positioning pin mounting hole (1263) comprises a screw mounting hole or a pin mounting hole.

6. The handle assembly of claim 4, wherein at least one alignment pin receiving hole (1263) is formed in one or both of the latching button (125) and the slider (126) of the driving and retaining flexible link, and a retaining hole or groove (1264) is formed in the handle housing (123) at a position opposite to the position of the alignment pin receiving hole (1263) formed in the latching button (125) or the slider (126) of the driving and retaining flexible link.

7. The handle assembly according to claim 1, wherein the handle housing (123) is provided with an end cap (124) at the end opposite to the end of the latching button (125), and the handle housing (123) is provided with at least one mounting hole (1234) at the other end for mounting the end cap (124), wherein the mounting hole is circular.

8. The handle assembly according to claim 7, wherein one end of the end cap (124) is a semi-circular cuboid with a tail end sleeved on the outer rings of two ends of the pulley (127) or the outer ring of the rolling bearing, the other end is sleeved in the mounting hole (1234), and the handle housing (123) is connected with the end cap (124); the end cover is a combination of a cylinder part and a cuboid part with a semicircular tail end.

9. The handle assembly of claim 8, wherein the end of the slider (126) for moving and securing the flexible connector has a wire hole or groove (1261) for passing the flexible connector and a threaded hole (1262) for securing the flexible connector.

10. The handle assembly according to claim 1, the handle housing (123) being a cylindrical housing or a spindle-shaped housing.

11. The handle assembly of claim 9, wherein the flexible connection passes around the pulley (127) and is secured to the slider (126) after passing through the routing hole or slot (1261).

12. The handle assembly of claim 3, wherein the slider (126) for moving and securing the flexible connector is divided into two parts, wherein one part near the latching button (125) is combined with the latching button (125) to form a new button assembly, and the other part is combined to form a new slider for moving and securing the flexible connector; or the self-locking button (125) and the sliding block (126) for driving and fixing the flexible connecting piece are integrated into a part.