CN107725730A - The track gear bar and its radian adjusting method of a kind of adjustable radian - Google Patents

Abstract

The purpose of the present invention is the track gear bar and its radian adjusting method of a kind of adjustable radian, including gear bar, described gear bar leading flank is provided with uniform teeth, the trailing flank both ends of gear bar are with being connected plate connection, the adjustment instrument for arc for being used for the regulation of gear bar radian is provided between two connection plates, described adjustment instrument for arc includes regulation spill spin block and regulation precession bar, described regulation precession bar is set to two, and two regulation precession bar one end are separately fixed at the both ends of regulation spill spin block, two regulation precession bar other ends are respectively embedded in the sliding groove of connection plate, change is adjusted by adjusting bending radian of the extruding to gear bar, to adapt to the demand of different angle, reduce the species of gear bar, reduce the gear wasting of resources, reduce space-consuming, it is convenient to place.

Description

A track gear rack with adjustable arc and its arc adjustment method

technical field

The present invention relates to the field of gear bar processing, and mainly relates to the improvement and design of the adjustment structure of the gear bar, and in particular to a track gear bar with adjustable arc and its arc adjustment method.

Background technique

In the rapid development of the current industry, the use of gears has become particularly frequent, and a large number of various gear racks are used in almost all industries, especially for the gear racks used in teaching tracks, which are needed in teaching. Therefore, it is necessary to prepare a variety of radian gear racks, which causes a lot of waste of teaching resources to a large extent. At the same time, there are too many types of gear racks, which are difficult to place and cumbersome, and take up a lot of space. .

Therefore, an arc-adjustable track gear bar and its arc adjustment method are provided. By improving the structure of the gear bar, the original hard metal structure of the gear bar is changed into a soft material memory metal structure, and by adjusting Extrusion adjusts and changes the bending arc of the gear rack to meet the needs of different angles, reduces the types of gear racks, reduces the waste of gear resources, reduces the occupied space, and facilitates placement, which has become an urgent problem for those skilled in the art. .

Contents of the invention

The object of the present invention is to provide a track gear bar with adjustable arc and its arc adjustment method. By improving the structure of the gear bar, the original hard metal structure of the gear bar is changed into a soft material memory metal structure. And the bending radian of the gear bar is adjusted and changed by adjusting the extrusion to meet the needs of different angles, reduce the types of gear bars, reduce the waste of gear resources, reduce the occupied space, and facilitate placement.

In order to solve the technical problems described in the background technology, the present invention adopts the following technical solutions:

A track gear bar with adjustable radian, including a gear bar, the front side of the gear bar is provided with uniform teeth, the two ends of the rear side of the gear bar are connected to the connecting plate, and there is a connecting plate between the two connecting plates. The radian adjustment device for adjusting the radian of the gear rack, the arc adjustment device includes an adjustment rotation block and an adjustment screw-in rod, the adjustment screw-in rod is set to two, and one end of the two adjustment screw-in rods is respectively fixed on the adjustment rotation The two ends of the block, and the other ends of the two adjustment screw-in rods are respectively embedded in the sliding grooves of the connecting plates.

Preferably, both ends of the gear rack are connected to the connecting block on the connecting plate through a rotating shaft.

Preferably, the gear bar is a gear bar made of soft metal that can be bent and folded, and the gear bar is also a high-memory metal alloy.

Preferably, an elastic telescopic rod and a fixing screw for adjusting the locking of the rotating block are also provided between the adjusting rotating block and the connecting plate, one end of the elastic telescopic rod is fixed on the side section of the connecting plate, and the other end of the elastic telescopic rod Embedded in the fast-rotating ring groove, the fixing screw passes through the adjusting rotating block and is embedded in the fixing hole of the elastic telescopic rod.

Preferably, the fixing screw is configured as a threaded screw structure with a trapezoidal embedded end.

Preferably, the elastic telescopic rod is a high recovery force telescopic rod in a compressed state.

Preferably, a rotation anti-slip layer for adjusting the rotation of the rotation block is further provided on the side wall of the adjustment rotation block, and a uniform oblique thread structure is provided on the rotation anti-slip layer.

A method for adjusting the radian of a gear bar for a track with an adjustable radian, the method for adjusting the distance is as follows:

When adjusting the radian of the gear bar, first unscrew the fixed screw and take it out, then rotate and adjust the rotating block, and adjust the screw-in rod to rotate under the drive of the adjusting rotating block, and push the screw-in rod into the sliding groove with the adjustment As the depth increases, the gap between the two connecting plates decreases, and the gear bar is bent under the driving force of the narrowing distance between the two connecting plates, so as to adjust the radian of the gear bar.

The beneficial effects of the present invention are:

Change the original hard metal structure of the gear bar to a soft material memory metal structure, and adjust the bending arc of the gear bar by adjusting the extrusion to meet the needs of different angles, reduce the types of gear bars, and reduce the number of gears. Waste of resources, less occupied space, easy to place.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the accompanying drawings that are required in the embodiments. Obviously, the accompanying drawings in the following description are only described in the present invention For some embodiments of the present invention, those skilled in the art can also obtain other drawings according to these drawings.

Fig. 1 is a structural schematic diagram of a specific embodiment of an arc-adjustable track gear bar and an arc adjustment method thereof according to the present invention;

Fig. 2 is a partial cross-sectional view of a specific embodiment of an arc-adjustable track gear bar and its arc adjustment method according to the present invention;

Fig. 3 is a schematic bending diagram of a specific embodiment of an arc-adjustable track gear bar and its arc adjustment method according to the present invention.

detailed description

In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below.

Please refer to Fig. 1, Fig. 2, Fig. 3, a kind of track gear bar with adjustable radian, including a gear bar 4, the front side of the gear bar 4 is provided with uniform teeth 5, and the rear side of the gear bar 4 has two The end is connected with the connection plate 1, and an arc adjustment device for adjusting the arc of the gear bar 4 is provided between the two connection plates 1. The arc adjustment device includes an adjustment rotation block 6 and an adjustment screw-in rod 3. The adjustment rotation There are two advancing rods 3, and one ends of the two adjusting screw-in rods 3 are respectively fixed on the two ends of the adjusting rotating block 6, and the other ends of the two adjusting screw-in rods 3 are respectively embedded in the sliding grooves 2 of the connecting plate 1.

Further, both ends of the gear bar 4 are connected to the connecting block 11 on the connecting plate 1 through the rotating shaft 12 .

Further, the gear bar 4 is made of a soft metal material that can be bent and folded, and the gear bar 4 is also a high-memory metal alloy.

Further, an elastic telescopic rod 10 and a fixing screw 8 for adjusting the locking of the rotating block 6 and the connecting block 1 are provided between the adjusting rotating block 6 and the connecting block 1, and one end of the elastic telescopic rod 10 is fixed on the side of the connecting block 1 Cross-section, the other end of the telescopic rod 10 is embedded in the ring groove 9 of the adjusting rotating block 6 , and the fixing screw 8 passes through the adjusting rotating block 6 and is embedded in the fixing hole of the elastic telescopic rod 10 .

Further, the fixing screw 8 is set as a threaded screw structure with a trapezoidal embedded end.

Further, the elastic telescopic rod 10 is a high recovery force telescopic rod in a compressed state.

Further, the side wall of the adjusting rotating block 6 is also provided with a rotation anti-skid layer 7 for adjusting the rotation of the rotating block 6, and the rotating anti-slip layer 7 is provided with a uniform oblique thread structure.

A method for adjusting the radian of a gear bar for a track with an adjustable radian, the method for adjusting the distance is as follows:

When adjusting the radian of the gear bar 4, first unscrew the fixed screw rod 8 and take it out, then rotate and adjust the rotating block 6, and adjust the screw-in rod 3 to rotate under the drive of the adjusting rotating block 6, and then adjust the screw-in rod 3 to rotate. 3. The depth of the jacking slide groove 2 increases, and the gap between the two connecting plates 1 decreases. Driven by the narrowing of the distance between the two connecting plates 1, the gear bar 4 is bent to adjust the radian of the gear bar 4. .

Certain exemplary embodiments of the present invention have been described above only by way of illustration, and it goes without saying that those skilled in the art can use various methods without departing from the spirit and scope of the present invention. The described embodiments are modified. Therefore, the above description is illustrative in nature and should not be construed as limiting the protection scope of the claims of the present invention.

Claims (8)

1. a kind of track gear bar of adjustable radian, including gear bar, it is characterised in that：Described gear bar leading flank is provided with Uniform teeth, the trailing flank both ends of gear bar are provided between two connection plates with being connected plate connection and are used for gear bar arc The adjustment instrument for arc of regulation is spent, described adjustment instrument for arc includes regulation spill spin block and regulation precession bar, described regulation Precession bar is set to two, and two regulation precession bar one end are separately fixed at the both ends of regulation spill spin block, two regulation precession bars The other end is respectively embedded in the sliding groove of connection plate.

2. the track gear bar of a kind of adjustable radian according to claim 1, it is characterised in that described gear bar Both ends are with the contiguous block on connecting plate by rotating axis connection.

3. the track gear bar of a kind of adjustable radian according to claim 1, it is characterised in that described gear bar is set For can be with the gear bar of bending fold soft metal material, and gear bar or a kind of high memory metal alloy.

A kind of 4. track gear bar of adjustable radian according to claim 1, it is characterised in that described regulation rotation An elastic telescopicing rod and standing screw for being used to adjust rotated plate locking, elastic telescopic are additionally provided between block and connection plate Bar one end is fixed on the lateral section of connection plate, and the elastic telescopicing rod other end is embedded into regulation and rotated in fast annular groove, fixed spiral shell Bar is embedded into the fixing hole of elastic telescopicing rod through regulation spill spin block.

A kind of 5. track gear bar of adjustable radian according to claim 4, it is characterised in that described standing screw It is set to the thread screw structure that built-in end is trapezium structure.

A kind of 6. track gear bar of adjustable radian according to claim 4, it is characterised in that described elastic telescopic Bar uses the high restoring force expansion link under compressive state.

A kind of 7. track gear bar of adjustable radian according to claim 1, it is characterised in that described regulation rotation The rotation skid resistant course for adjusting spill spin block rotation is additionally provided with the side wall of block, described rotation skid resistant course is provided with uniform oblique Helicitic texture.

8. according to a kind of radian adjusting method of the track gear bar of adjustable radian of any one of right 1-7, its feature exists In its spacing adjusting method is：

When carrying out radian regulation to gear bar, taken out after standing screw is screwed out first, then carry out rotation regulation spill spin block, Regulation precession bar is rotated under the drive of regulation spill spin block, as the depth in regulation precession bar jacking sliding groove increases, Gaps between two connection plates reduce, and the drive lower gear bar that plate spacing reduce is connected at two and is bent, with up to To the regulation to gear bar radian.