Dodging rod fixing and adjusting device

Abstract

The utility model discloses a dodging rod fixing and adjusting device which comprises a light rod fixing device and an adjusting device. The light bar fixing device comprises a fixed lens cone, a light uniformizing bar, a light bar limiter and a fixed rubber ring. The light rod is installed in the fixed lens cone, the front end of the light rod is fixed to the lens cone through glue, the light rod limiting and fixing rubber ring is installed at the tail end of the light rod, and the portion, making contact with the light rod, of the light rod limiting and fixing rubber ring is a small boss, and on the premise that total reflection of the light rod is not damaged, fixing of the light uniformizing rod is achieved. The optical wand adjusting device comprises a sealing rubber ring, a tightening screw and an adjusting lens cone, the adjusting lens cone is connected with the fixed lens cone through precise threads, and precise adjustment of the optical wand is achieved. A sealing rubber ring is arranged between the adjusting lens cone and the fixed lens cone, so that dust is prevented from entering the lens cone through a gap. The tightening screw plays a role in fixing after adjustment.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the exposure and projection technical field, specifically designs a kind of light bar fixing and adjusting device. BACKGROUND

[0002] In exposure projection technology, the light generated by light source is generally not uniform enough, and cannot meet the demand of high-quality imaging. Therefore, light bar is usually added in the propagation path of the light of light source to make light uniform. The installation, fixation and adjustment mode of light bar has great influence on light uniformity. CONTENT OF THE UTILITY MODEL

[0003] The utility model provides a kind of light bar adjusting and fixing device to overcome the problem of poor light uniformity in the existing fixing and adjusting process.

[0004] To achieve the above goal, the utility model adopts the following technical solutions.

[0005] A kind of light bar fixing and adjusting device, including light bar fixing device and adjusting device. Light bar fixing device includes fixed lens barrel, light bar, light bar limit and fixed rubber ring. Light bar is installed in fixed lens barrel, and the front end of light bar is fixed with lens barrel by gluing, and light bar limit and fixed rubber ring are installed at the end of light bar. Light bar adjusting device includes sealing rubber ring, tightening screw and adjusting lens barrel, and adjusting lens barrel is connected with fixed lens barrel by precision thread. Sealing rubber ring is arranged between adjusting lens barrel and fixed lens barrel. Tightening screw plays the role of adjustment and fixation.

[0006] Further, the fixed lens barrel and the light bar limit are provided with rectangular positioning holes, and circular through holes are formed at four corners of the positioning holes respectively, and cooperate with the small protrusions of the light bar.

[0007] Further, the light bar fixing device is used to pass the front end of the light bar into the rectangular hole of the fixed lens barrel, smear a small amount of glue at the small protrusions of the light bar, and fix the light bar.

[0008] Further, the light bar limit is inserted into the end of the light bar and falls into the fixed lens barrel, and the fixed rubber ring is inserted into the groove of the fixed lens barrel, to fix the light bar limit in the fixed lens barrel without damaging the light bar.

[0009] Further, the sealing rubber ring is installed in the groove of the fixed lens barrel.

[0010] Further, the adjusting lens barrel is provided with precision thread and cooperating guide, and the adjusting lens barrel is connected with the fixed lens barrel by the precision thread.

[0011] Further, the light rod adjusting device can realize precise forward and backward movement of the light rod by rotating the fixed lens barrel, and cooperates with the guide to control the concentricity of the light rod and the rear optical system during the adjusting process.

[0012] Further, the light rod adjusting device only needs to tighten the screw to fix the position of the light rod after the adjusting is completed.

[0013] Compared with the prior art, the utility model discloses realize the precise adjustment of light rod while guaranteeing the light uniformity effect, the sealing performance during the adjusting process is guaranteed by the sealing rubber ring on the fixed lens barrel, and dust is prevented from entering the lens barrel and polluting the rear optical system through the adjusting device. ACCURATE LIGHT ROD FIXING AND ADJUSTING DEVICE

[0014] Figure 1 It is the sectional view of the light rod fixing and adjusting device.

[0015] Figure 2 , Figure 3 It is the perspective view of the light rod fixing device.

[0016] Figure 4 It is the perspective view of the light rod adjusting device.

[0017] Figure 5 It is the explosion view of the light rod fixing and adjusting device. DETAILED DESCRIPTION

[0018] In order to make the technical scheme of the utility model more clearly, the following will combine the drawings to describe the embodiment of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of the utility model protection.

[0019] Please refer to Figures 1 to 4 The utility model discloses a kind of light rod fixing and adjusting device, including light rod fixing device and adjusting device.Light rod fixing device includes fixed lens barrel 1, light rod 2, light rod limit 3 and fixed rubber ring 4.Light rod is installed in fixed lens barrel 1, by gluing, the front end of light rod 2 is fixed with lens barrel, light rod limit 3 and fixed rubber ring 4 are installed at the end of light rod.Light rod adjusting device includes sealing rubber ring 5, tightening screw 7 and adjusting lens barrel 6, adjusting lens barrel 6 is connected with fixed lens barrel 1 by precise thread.Sealing rubber ring 5 is equipped between adjusting lens barrel 6 and fixed lens barrel 1.Tightening screw 7 is adjusted and fixed.

[0020] Please refer to Figure 2 , Figure 3 Fixed lens barrel 1 and light rod limit 3 are provided with rectangular positioning hole, and the four corners of the positioning hole are respectively provided with original hole, and the original hole is matched with the part of light rod, and is small convex point.

[0021] Please refer toFigure 2 The front end of the light bar 2 is inserted into the rectangular hole of the fixed lens barrel 1, and a small amount of glue is applied at the small protrusion matched with the light bar 2 to fix the light bar 2.

[0022] Referring to Figure 3 The light bar limiting part 3 is inserted into the end of the light bar 2 and falls into the fixed lens barrel 1, and the fixed rubber ring 4 is inserted into the groove of the fixed lens barrel 1, so that the light bar limiting part 3 is installed in the fixed lens barrel 1 while avoiding damaging the light bar 2.

[0023] Referring to Figure 1 The sealing rubber ring 5 is installed in the groove of the fixed lens barrel 1.

[0024] The adjusting lens barrel 6 is provided with a precise thread matched with a guide, and the adjusting lens barrel 6 is connected with the fixed lens barrel 1 through the precise thread.

[0025] The precise forward and backward movement of the light bar 2 can be realized by rotating the fixed lens barrel 1, and the guide is used to control the concentricity of the light bar 2 and the rear optical system during the adjusting process.

[0026] After the adjusting is completed, the position of the light bar 2 can be fixed by rotating the tightening screw 7.

[0027] Due to the limited nature of the text expression, the above description is only exemplary and not exhaustive, and the utility model is not limited to the disclosed embodiments, and for those skilled in the art, some improvements and modifications can be made without departing from the scope and spirit of the above examples, and these improvements and modifications should also be considered as the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the claims.

Claims

1. A light rod fixing and adjusting device, comprising a light rod fixing device and an adjusting device, the light rod fixing device comprising a fixing cylinder, a light rod, a light rod limiter and a fixing rubber ring, the light rod being installed in the fixing cylinder and fixed at the front end thereof to the fixing cylinder by gluing, the light rod limiter and the fixing rubber ring being installed at the end of the light rod, the light rod adjusting device comprising a sealing rubber ring, a tightening screw and an adjusting cylinder, the adjusting cylinder being connected to the fixing cylinder through a precision thread, the sealing rubber ring being arranged between the adjusting cylinder and the fixing cylinder, and the tightening screw being used for adjusting and fixing.

2. The light wand fixture of claim 1, wherein: The fixing cylinder and the light rod limiter are provided with rectangular positioning holes, and circular through holes are formed at four corners of the positioning holes, which are matched with small protrusions of the light rod.

3. The light wand fixture of claim 1, wherein: The front end of the light rod is inserted into the rectangular hole of the fixing cylinder, a small amount of glue is applied at the small protrusions matched with the light rod, and the light rod is fixed.

4. The light wand fixture of claim 1, wherein: The light rod limiter is inserted into the end of the light rod and falls into the fixing cylinder, and the fixing rubber ring is inserted into the groove of the fixing cylinder, so that the light rod limiter is installed in the fixing cylinder while the light rod is protected.

5. The light wand adjustment device of claim 1, wherein: The sealing rubber ring is installed in the groove of the fixing cylinder.

6. The light wand adjustment device of claim 1, wherein: The adjusting cylinder is provided with a precision thread and a matched guide, and the adjusting cylinder is connected to the fixing cylinder through the precision thread.

7. The light wand adjustment device of claim 1, wherein: The light rod adjusting device can realize precise forward and backward movement of the light rod by rotating the fixing cylinder, and the matched guide is used to control the concentricity of the light rod and the rear optical system during adjustment.

8. The light wand adjustment device of claim 1, wherein: After adjustment, the light rod position can be fixed by only tightening the tightening screw.

Images