CN107726255A - A kind of light source position adjustment mechanism and reflecting sight - Google Patents

Abstract

A kind of light source position adjustment mechanism provided by the invention, including light source module group mounting bracket, vertical adjustment mechanism and horizontal adjusting mechanism, it is realized in the adjustment to light source module group mounting bracket horizontal level by translot, so that relatively moved between contiguous block and light source module group mounting bracket, avoid the caused influence to upright position of synchronizing moving before this, and by T-shaped guide rail and T-slot, and independent spring mountings are realized when vertically being adjusted in the position to light source module group mounting bracket, so that intermediate connector produces relative movement with respect to connection sliding block and spring mountings, so as to avoid the influence of the horizontal level to light source module group mounting bracket.Interfere small when vertically and horizontally adjusting, and can effectively prevent the trickle crooked generation during adjustment, ratio of precision is higher.

Description

Light source position adjustment mechanism and reflective collimator

technical field

The invention relates to a light source position adjustment mechanism and a reflective collimator containing the light source position adjustment mechanism.

Background technique

The adjustment of the direction of the outgoing light of the LED light source in the existing reflective sight mainly depends on the vertical adjustment mechanism and the horizontal adjustment mechanism, but they will affect each other during the adjustment process, resulting in the need for multiple adjustments, especially The interference between vertical and horizontal adjustments is particularly obvious when making small adjustments. The reason is that when the horizontal or vertical adjustments are made, the springs will deflect laterally after being squeezed, causing the light source holder to be skewed.

Contents of the invention

The purpose of the present invention is to overcome the problem of low adjustment accuracy existing in the existing inner red dot gun sight.

In order to achieve the above purpose, the present invention provides a light source position adjustment mechanism, including a light source module installation frame, a vertical adjustment mechanism and a horizontal adjustment mechanism. module, the top of the light source module mounting frame is provided with a blind hole on both sides of the LED light source module; the back of the light source module mounting frame is provided with a horizontal groove;

The vertical adjustment mechanism includes a connection block whose front end is placed in the transverse groove, a vertical adjustment screw screwed to the vertical screw hole at the rear end of the connection block, and a vertical adjustment spring placed in the blind hole;

The horizontal adjustment mechanism includes a horizontal adjustment screw, an intermediate connecting piece placed under the connecting block and fixedly connected to the back of the light source module mounting frame, a T-shaped guide rail, a connecting slider, a spring fixing piece, a pin shaft and horizontal spring;

The outer side of the connecting slider is threadedly connected with the horizontal adjustment screw;

The inner side of the connecting slider is connected with the T-shaped guide rail on the corresponding side of the intermediate connector through the T-shaped slide rail;

The spring fixing part is placed on the other side of the intermediate connecting part, there are at least two pin shafts, and the two pin shafts are arranged on the outer side of the spring fixing part from top to bottom; and each The horizontal springs are sheathed on the pin shafts respectively.

The above-mentioned light source module installation frame is integrally made with the intermediate connector.

The above-mentioned vertical adjustment spring is sheathed on a pin, and the pin is placed in the blind hole.

At least two blind holes are arranged on the rear side of the above-mentioned intermediate connecting piece from top to bottom, and a set of coil springs arranged on the horizontal pins are built in each blind hole.

The above-mentioned vertical adjustment screw and the horizontal adjustment screw have the same structure, and both are composed of a screw rod, a nut part fixed at one end of the screw rod and a nut assembled on the nut part;

The nut member is radially provided with a spring pin fitted in a radial through hole;

The inner wall of the nut is provided with a plurality of ribs uniformly arranged in the circumferential direction;

An outer sealing ring is provided at the joint between the bottom surface of the nut member and the screw rod;

An inner sealing ring sleeved on the outer wall of the nut and located below the radial through hole is arranged between the nut and the nut.

A reflective sight with the above-mentioned light source position adjustment mechanism includes an LED light source module installed in the rear end of the casing, and the LED light source module is installed on the light source position adjustment mechanism.

The invention has the advantages of small mutual interference during vertical and horizontal adjustments, and can effectively prevent slight skews in the adjustment process, with relatively high precision.

The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

Description of drawings

FIG. 1 is a first structural schematic diagram of a light source position adjustment mechanism.

FIG. 2 is a second structural schematic diagram of a light source position adjustment mechanism.

Fig. 3 is a structural schematic diagram III of a light source position adjustment mechanism.

Fig. 4 is a schematic disassembled structure diagram of a light source position adjustment mechanism.

Fig. 5 is a schematic diagram of a partly dismantled structure of a reflex sight.

Fig. 6 is a structural schematic diagram of a reflex sight.

Fig. 7 is a disassembled schematic diagram of a vertical adjustment screw or a horizontal adjustment screw.

Fig. 8 is a schematic longitudinal sectional view of a vertical adjustment screw or a horizontal adjustment screw.

Fig. 9 is a schematic diagram of the rear structure of the reflex sight equipped with a light source position adjustment mechanism.

Description of reference signs: 1. Light source module mounting frame; 2. LED light source module; 3. Transverse groove; 4. Connecting block; 5. Vertical screw hole; 6. Vertical adjustment screw; 7. Vertical adjustment spring; 8. Horizontal adjustment screw; 9, intermediate connector; 10, T-shaped guide rail; 11, connecting slider; 12, spring fixing piece; 13, pin shaft; 14, horizontal spring; 15, pin; 16, horizontal pin; 17, spiral Spring; 18, screw rod; 19, nut piece; 20, nut; 21, radial through hole; 22, spring pin; 23, rib; 24, outer sealing ring; 25, inner sealing ring.

detailed description

Figures 1 to 4 show a light source position adjustment mechanism, including a light source module installation frame 1, a vertical adjustment mechanism and a horizontal adjustment mechanism. The LED light source module 2 is installed on the front top of the light source module installation frame 1, and the light source module installation The top of the frame 1 is provided with a blind hole on both sides of the LED light source module 2; the light source module mounting frame 1 is provided with a transverse groove 3; the vertical adjustment mechanism includes a connecting block 4 whose front end is placed in the transverse groove 3 , a vertical adjustment screw 6 threaded with the vertical screw hole 5 at the rear end of the connection block 4 and a vertical adjustment spring 7 placed in the blind hole; the horizontal adjustment mechanism includes a horizontal adjustment screw 8 placed below the connection block 4 and The intermediate connector 9, T-shaped guide rail 10, connecting slider 11, spring fixing member 12, pin shaft 13 and horizontal spring 14 fixedly connected to the back of the light source module mounting frame 1; the outer side of the connecting slider 11 and the horizontal adjustment screw 8 threaded connection; the inner side of the connecting slider 11 is connected with the T-shaped guide rail 10 on the corresponding side of the intermediate connector 9 through the T-shaped slide rail; the spring fixing part 12 is placed on the other side of the intermediate connector 9, and the pin shaft 13 is at least There are two pin shafts 13 arranged on the outer surface of the spring fixing member 12 from top to bottom; and each pin shaft 13 is respectively sleeved with a horizontal spring 13 . The vertical adjustment spring 7 is sleeved on a pin 15, and the pin 15 is placed in the blind hole.

Among them, the light source module installation frame 1 and the intermediate connecting piece 9 fixedly connected to the back can be designed and manufactured as one, and made as a whole, which can reduce the number of parts, facilitate installation and debugging, and ensure the synchronization of the two To ensure the accuracy and reliability of the adjustment.

When adjusting the horizontal position of the light source module mounting frame 1 through the horizontal groove 3, the relative movement between the connecting block 4 and the light source module mounting frame 1 is avoided, which avoids the influence on the vertical position caused by the previous synchronous movement, and by means of The T-shaped guide rail 10, the T-shaped groove, and the independent spring fixing piece 12 realize the relative movement of the intermediate connecting piece 9 relative to the connecting slider 11 and the spring fixing piece 12 when the position of the light source module mounting frame 1 is vertically adjusted. , so as to avoid the influence on the horizontal position of the light source module mounting frame 1, and the assembly relationship between the T-shaped guide rail 10 and the T-shaped slot provides a good solution for the jamming or response delay that may be caused by only relying on the horizontal spring return in the prior art. Very good boost, effectively improving the response sensitivity and reliability of reset.

In order to further ensure the accuracy and reliability of small adjustments, this embodiment is provided with at least two blind holes from top to bottom on the rear side of the intermediate connector 9, and a set of horizontal pins is placed in each blind hole. The coil spring 17 on the 16 can realize that the light source module installation frame 1 is always tightly pressed during the vertical adjustment process of the light source module installation frame 1, so as to avoid its skewing during the adjustment process.

Fig. 5 shows a reflex sight with the above-mentioned light source position adjustment mechanism, including an LED light source module 2 installed in the rear end of the housing, and the LED light source module 2 is installed on the light source position adjustment mechanism. FIG. 6 is a perspective view of the assembled reflective collimator including the above-mentioned light source position adjustment mechanism. Figure 9 is a schematic diagram of the rear structure of the reflective sight with the light source position adjustment mechanism installed. From this figure, it can be clearly seen that there is a gap between each component of the light source position adjustment mechanism and the inner cavity shell wall of the inner red dot module. Through this kind of assembly, it can be ensured that each component will not be skewed during the movement and adjustment process, and the reliability and accuracy of the adjustment can be ensured.

Figures 7 and 8 show that the vertical adjustment screw 6 and the horizontal adjustment screw 8 have the same structure, and are all composed of a screw rod 18, a nut part 19 fixed at one end of the screw rod 18 and a nut 20 assembled on the nut part 19; Nut part 19 is radially provided with spring pin 22 fitted in radial through hole 21; the inner wall of nut 20 is provided with a plurality of ribs 23 evenly arranged in the circumferential direction; When the screw 6 and the level adjustment screw 8 are used, the spring pin 22 will rub against the rib 23 and make a sound, which is used to remind the operator whether the screw has rotated, and can also help the operator know the number of turns or the axial direction of the screw. The distance to spin in and out.

In order to ensure good water tightness, this embodiment is provided with an outer sealing ring 24 at the connection between the bottom surface of the nut part 19 and the screw rod 18; The inner sealing ring 25 on the outer wall of the member 19 and located below the radial through hole 21 is double-sealed, effectively improving the effect and reliability of the water seal.

Claims (6)

1. A light source position adjustment mechanism, including a light source module installation frame (1), a vertical adjustment mechanism and a horizontal adjustment mechanism, characterized in that: an LED light source module ( 2), the top of the light source module mounting frame (1) is provided with a blind hole on both sides of the LED light source module (2); the back of the light source module mounting frame (1) is provided with a horizontal groove (3); The vertical adjustment mechanism includes a connection block (4) whose front end is placed in the transverse groove (3), and a vertical adjustment screw (6) threaded with the vertical screw hole (5) at the rear end of the connection block (4) and a vertical adjustment spring (7) placed in the blind hole; The horizontal adjustment mechanism includes a horizontal adjustment screw (8), an intermediate connector (9) placed under the connecting block (4) and fixedly connected to the back of the light source module mounting frame (1), and a T-shaped guide rail (10), connecting slider (11), spring holder (12), pin shaft (13) and horizontal spring (14); The outer side of the connecting slider (11) is threadedly connected with the horizontal adjustment screw (8); The inner side of the connecting slider (11) is connected to the T-shaped guide rail (10) on the corresponding side of the intermediate connector (9) through a T-shaped slide rail; The spring fixing part (12) is placed on the other side of the intermediate connecting part (9), the pin shafts (13) are at least two, and the two pin shafts (13) are arranged on the The outer surface of the spring fixing part (12); and each of the pin shafts (13) is respectively sleeved with one of the horizontal springs (13). 2. The light source position adjustment mechanism according to claim 1, characterized in that: the vertical adjustment spring (7) is sheathed on a pin (15), and the pin (15) is placed in the blind hole. 3. The light source position adjustment mechanism according to claim 1, characterized in that: the light source module installation frame (1) and the intermediate connecting piece (9) are integrally made. 4. The light source position adjustment mechanism according to claim 1 or 2, characterized in that: the rear side of the intermediate connecting piece (9) is provided with at least two blind holes from top to bottom, and each blind hole is built in One set of helical springs (17) mounted on the horizontal pins (16). 5. The light source position adjustment mechanism according to claim 1, 2 or 3, characterized in that: the vertical adjustment screw (6) and the horizontal adjustment screw (8) have the same structure and are fixed on the screw rod (18). A nut part (19) at one end of the screw rod (18) and a nut (20) assembled on the nut part (19) constitute; The nut piece (19) is radially provided with a spring pin (22) fitted in the radial through hole (21); The inner wall of the nut (20) is provided with a plurality of ribs (23) uniformly arranged in the circumferential direction; An outer sealing ring (24) is provided at the joint between the bottom surface of the nut (19) and the screw (18); An inner sealing ring ( 25). 6. A reflective sight containing the light source position adjustment mechanism according to claim 1 or 2, comprising an LED light source module (2) installed in the rear end of the housing, characterized in that: the LED light source module The group (2) is installed on the light source position adjustment mechanism.