CN2739618Y - Optical transmitting lens cone regulating support - Google Patents

Abstract

The utility model relates to an optical transmitting lens cone regulating support is composed of a pedestal [23] a rotary support and a lens cone pitch angle regulating apparatus. The rotary support composed of a bottom board [26], a right support and a left support [31, 3] is equipped with an arresting device. A right clamp arc board and a left clamp arc board [30, 1] is fixed to the right support and the left support by a rotating shaft, and the lens cone is arranged between the right clamp arc board and the left clamp arc board. The lens cone pitch angle regulating apparatus is composed of two parts-the coarse tuning and the differential tuning. The part of coarse tuning is composed of a coarse tuning board [9], a coarse tuning back nut [11] and a coarse tuning screw bolt [10], and the part of differential tuning is composed of a differential tuning board [8], a differential tuning back nut [13], a differential tuning screw bolt [12] and a differential tuning screw rod [14]. The rotary support on the pedestal can be adjusted in arbitrary angles. The coarse tuning enlarges the range of regulation, and the differential tuning can make the accuracy of regulation high. Moreover, the adjustment and locking are convenient.

Description

A kind of optical emitting lens barrel is regulated support

Affiliated technical field the utility model relates to a kind of optical emitting lens barrel and regulates support.

Background technology is present, when measuring air quality with optical principle, usually produce optical radiation with light source, and launch by the optical emitting lens barrel, at the other end corner reflector to be installed it is reflected, a part of light enters that telescope is accepted the passway and the entrance window that focuses on optical fiber through reflection, optical fiber directs light into spectrometer, utilize optics difference absorption spectrum technology to carry out spectral analysis, measure the air composition, analyze air quality.Because measuring distance is far away, a little less than the reflected light signal, therefore, require optical emitting lens barrel adjusting bracket adjustment scope big, the precision height keep working long hours the light path non-migration behind the target lock-on, and present optical emitting lens barrel adjusting support does not reach this requirement.

Summary of the invention is to be solved in the utility model to be that the optical emitting lens barrel is regulated the problem that the bracket adjustment scope is little, precision is not high.

The utility model solves its technical matters and the technical scheme that adopts is: it comprises base, runing rest and lens barrel luffing angle regulating device, runing rest is made up of base plate and the left and right sides support that is fixed on the base plate both sides, base plate is fixed on the base by rotating shaft, and Drawtube gripper mechanism is fixed on the support of the left and right sides by rotating shaft; Lens barrel luffing angle regulating device comprises coarse adjustment and two parts of fine setting, and the coarse adjustment part is made up of coarse adjustment plate and coarse adjustment latch mechanism, and the fine setting part is made up of tuning plate, fine setting latch mechanism and fine setting screw rod; The rotating shaft of coarse adjustment plate and Drawtube gripper mechanism is connected, the rotating shaft of tuning plate and Drawtube gripper mechanism is rotationally connected, the coarse adjustment latch mechanism can be locked at the coarse adjustment plate on the tuning plate, the fine setting latch mechanism can be locked at tuning plate on one side stand, the fine setting screw rod is fixed on the support by thread connection, and the top of fine setting screw rod withstands on a side of fine-tuning plate.Runing rest can drive lens barrel and carry out arbitrarily angled rotation on base; Lens barrel carries out luffing angle by its clamping device rotating shaft on the support of the left and right sides regulates, when transferring to the target location, the coarse adjustment latch mechanism will be locked on the tuning plate with the coarse adjustment plate that the Drawtube gripper mechanism rotating shaft is connected, at this moment tuning plate is rigidly connected by coarse adjustment plate and Drawtube gripper mechanism rotating shaft, drive tuning plate by the rotary fine adjustment screw rod again and rotate, lens barrel is finely tuned.Coarse adjustment makes range of adjustment big, and fine setting can make the degree of regulation height, and adjusting and locking are also very convenient.

In order to improve the fine setting scope, be provided with extension spring between tuning plate and the fine setting screw rod supporting seat.Driving tuning plate by extension spring when the fine setting screw rod retreats like this rotates.

For runing rest can be maintained static, runing rest is provided with stop motion mechanism, form by retaining ring, stop screw rod, base is provided with annular boss, retaining ring is enclosed within on the annular boss, and two openends of retaining ring link to each other by bearing pin, and retaining ring one side is connected with push rod, the stop screw rod is fixed on by supporting seat on the base plate of runing rest, and the top of stop screw rod withstands on the push rod; Between push rod and the base plate extension spring is housed, so that retaining ring is opened.

In order to make the runing rest stability of rotation, be provided with surface bearing between the base plate of runing rest and the base, described annular boss is the planar axes bearing that is fixed on the base.

Description of drawings Fig. 1 is the utility model structural representation.

Fig. 2 is the left view of Fig. 1.

Fig. 3 is along A-A line cut-open view among Fig. 2.

Embodiment the utility model is made up of base, runing rest and lens barrel luffing angle regulating device, as shown in Figure 1, base [23] is provided with three level(l)ing devices, each device is formed by regulating bolt [24], nut [25] and leg [22], leg has screw on [22], bolt [24] below and screw are with thread connection, and its upper end is connected by nut [25] and base [23], by regulating the level that the height of bolt [24] on leg [22] regulated base.Runing rest is made up of base plate [26] and the left and right sides support [31,3] that is fixed on the base plate both sides, links to each other with thrust bearing [28] by rotating shaft [27] between base [23] and the base plate [26].In order to make the runing rest stability of rotation, be provided with surface bearing [29] between base plate [26] and the base [23], planar axes bearing [21] is fixed on the base [23].Runing rest is provided with stop motion mechanism, this device is by retaining ring [20], stop screw rod [16] is formed, retaining ring [20] is enclosed within on planar axes bearing [21] outer ring, as shown in Figure 3, two openends of retaining ring [20] are equipped with stage clip [39] and link to each other by U-shaped bearing pin [37], retaining ring [20] one sides are connected with push rod [19], stop screw rod [16] is fixed on the base plate [26] of runing rest by supporting seat [35] as shown in Figure 2, the top of stop screw rod withstands on the push rod [19], be fixed with spring carrier arm [38] on the runing rest base plate [26] of stop screw rod one side, between push rod [19] and the hook [38] extension spring [18] is housed, push rod [19] resets rapidly under the effect of extension spring [18] when making the stop screw rod return to twist, and retaining ring [20] is opened.

Drawtube gripper mechanism is made up of left and right sides clamping arc plate [30,1], is fixed on the support of the left and right sides by rotating shaft [4] and bearing [2] respectively, and lens barrel is contained between the left and right sides clamping arc plate, and bearing [2] outside is provided with gland [17]; Lens barrel luffing angle regulating device comprises coarse adjustment and two parts of fine setting, the coarse adjustment part is made up of coarse adjustment plate [9], coarse adjustment set nut [11] and bolt [10], and the fine setting part is made up of tuning plate [8], fine setting set nut [13], bolt [12] and fine setting screw rod [14]; There is the collar [5] coarse adjustment plate [9] top and is fixed on by pin in the rotating shaft [4] of right clamping arc plate [1], tuning plate [8] top has the collar [6] to be connected with rotating shaft [4] by bearing [7], two is the arcuate socket [32,33] in the center of circle with rotating shaft [4] about having on the tuning plate [8], as shown in Figure 2, coarse adjustment clamping screw [10] one ends are fixed on the coarse adjustment plate [9], and the other end connects with coarse adjustment set nut [11] by arcuate socket [32]; Fine setting clamping screw [12] one ends are fixed on the right support [3], the other end connects with fine setting set nut [13] by the arcuate socket of opening on tuning plate [33], on the supporting seat [35] on the outer cover [15] that fine setting screw rod [14] is fixed on and right support [3] is connected, the top of fine setting screw rod withstands on a side of tuning plate [8], is provided with extension spring [34] between tuning plate [8] and the screw rod supporting seat [35].

Can drive lens barrel by rotating shaft [27] runing rest and on base [23], carry out arbitrarily angled rotation, rotation stop screw rod [16] can be held retaining ring [20] tightly on planar axes bearing [21] by promoting push rod [19], and runing rest and base [23] are connected and stop; Lens barrel carries out luffing angle by the rotating shaft [4] of its clamping arc plate on left and right sides support [31,3] regulates, when transferring to the target location, rotation coarse adjustment set nut [11] is locked at coarse adjustment plate [9] on the tuning plate [8], at this moment tuning plate is rigidly connected by coarse adjustment plate and right clamping arc plate [1] rotating shaft of lens barrel [4], driving tuning plate [8] by rotary fine adjustment screw rod [14] again rotates, lens barrel is finely tuned, and rotary fine adjustment set nut [13] is locked at tuning plate [8] on the right support [3] again.Coarse adjustment makes range of adjustment big, and fine setting can make the degree of regulation height, and adjusting and locking are also very convenient.

Claims (5)

1, a kind of optical emitting lens barrel is regulated support, comprise base [23] and runing rest, it is characterized in that runing rest is made up of base plate [26] and the left and right sides support [31,3] that is fixed on the base plate both sides, base plate [26] is fixed on the base [23] by rotating shaft [27], and Drawtube gripper mechanism is fixed on the left and right sides support [31,3] by rotating shaft [4]; It also comprises a lens barrel luffing angle regulating device, this device comprises coarse adjustment and two parts of fine setting, the coarse adjustment part is made up of coarse adjustment plate [9] and coarse adjustment latch mechanism [10,11], and the fine setting part is made up of tuning plate [8], fine setting latch mechanism [12,13] and fine setting screw rod [14]; Coarse adjustment plate [9] is connected with the rotating shaft [4] of Drawtube gripper mechanism, tuning plate [8] is rotationally connected with the rotating shaft [4] of Drawtube gripper mechanism, coarse adjustment latch mechanism [10,11] can be locked at coarse adjustment plate [9] on the tuning plate [8], fine setting latch mechanism [12,13] can be locked at tuning plate [8] on the side stand [3], fine setting screw rod [14] is fixed on the support [3] by thread connection, and the top of fine setting screw rod withstands on a side of tuning plate [8].

2, adjusting support according to claim 1 is characterized in that finely tuning screw rod [14] and is fixed on the support [3] by supporting seat [35], is provided with extension spring [34] between tuning plate [8] and the supporting seat [35].

3, adjusting support according to claim 1 is characterized in that establishing on the base [23] level(l)ing device [22,24,25].

4, according to claim 1 or 2 or 3 described adjusting supports, it is characterized in that runing rest is provided with stop motion mechanism, form by retaining ring, stop screw rod [20,16], base [23] is provided with annular boss, retaining ring [20] is enclosed within on the annular boss, two openends of retaining ring link to each other by bearing pin [37], retaining ring one side is connected with push rod [19], stop screw rod [16] is fixed on the base plate [26] of runing rest by supporting seat [35], stop screw rod [16] top withstands on the push rod [19], between push rod [19] and the base plate [26] extension spring [18] is housed.

5, adjusting support according to claim 4 is characterized in that being provided with surface bearing [29] between the base plate [26] of runing rest and the base [23], and described annular boss is for being fixed on the planar axes bearing [21] on the base [23].

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