Telescope focusing mechanism

Abstract

The utility model discloses a telescope focusing mechanism which comprises a telescope, a support, a fixing ring, a finger pushing guide rail assembly and a steel wire rope. The steel wire rope bypasses the roller to form a first rope section and a second rope section; when focusing is carried out, the steel wire rope is pulled by pushing the finger pushing guide rail assembly, and then the fixing ring rotates and drives the focusing ring to rotate. When the finger-push guide rail assembly is pushed to move towards the front end, the second rope section is pulled by the pushed finger-push guide rail assembly, so that the fixing ring drives the focusing ring to rotate rightwards, and when the finger-push guide rail assembly is pushed to move back to the front end, the first rope section is pulled by the pushed finger-push guide rail assembly, so that the fixing ring drives the focusing ring to rotate leftwards. Therefore, the rotation of the focusing ring is not affected by external factors such as wearing gloves by hands or rainy days.

Description

TECHNICAL FIELD

[0001] The utility model relates to telescope field, especially telescope focusing mechanism. BACKGROUND

[0002] When the existing telescope is focusing, the focusing ring is rotated, when the hand is wearing gloves, the rotation of the focusing ring is affected, or in the special weather such as rainy day, the water on the surface of the focusing ring is affected, thereby affecting the use of the telescope, so a telescope focusing mechanism is needed. SUMMARY

[0003] The utility model discloses a telescope focusing mechanism, including telescope, support, fixed ring, finger push guide rail subassembly, steel wire rope, be equipped with focusing ring on the telescope, the support is used for supporting the fixed telescope, the support bottom is provided with second recess, the fixed ring is tightly installed on the focusing ring, rotates the fixed ring and makes the focusing ring synchronous rotation, the finger push guide rail subassembly includes finger push sliding block, guide rail body, gyro wheel, the finger push sliding block is slidably installed on the guide rail body, the bottom of guide rail body is provided with first recess, the first recess is connected with the second recess, the first recess is equipped with the front end, the front end is located away from the second recess one end, the gyro wheel is rotatably installed in the front end, the steel wire rope forms first rope section, second rope section after passing through the gyro wheel, the second rope section is connected with the finger push sliding block, the first rope section and the second rope section pass through the first recess and the second recess, and the end of the first rope section is fixed to the left side of the fixed ring, and the end of the second rope section is fixed to the right side of the fixed ring.

[0004] The utility model at least has following beneficial effect:

[0005] When focusing, the steel wire rope is pulled by pushing the finger push guide rail subassembly, and then the fixed ring is rotated and drives the focusing ring to rotate, that is, when the finger push guide rail subassembly is pushed to move to the front end direction, the second rope section is pulled by the finger push guide rail subassembly, so that the fixed ring drives the focusing ring to rotate to the right, and when the finger push guide rail subassembly moves away from the front end direction, the first rope section is pulled by the finger push guide rail subassembly, so that the fixed ring drives the focusing ring to rotate to the left, so that the rotation of the focusing ring is not affected by the hand wearing gloves or the external factors such as rainy day.

[0006] According to some embodiments of the utility model, the support includes an upper cover and a main body, and the telescope is clamped and fixed between the upper cover and the main body.

[0007] According to some embodiments of the utility model, the upper cover is equipped with first arc position, the main part is equipped with second arc position, first arc position, second arc position is used for holding the telescope tightly.

[0008] According to some embodiments of the utility model, the fixed ring comprises a ring body, the ring body holds the focusing ring tightly, the ring body is equipped with first end plate, second end plate, the first end plate and the second end plate form the passageway between the second end plate.

[0009] According to some embodiments of the utility model, the first end plate and the second end plate are connected with locking screw.

[0010] According to some embodiments of the utility model, the fixed ring comprises a ring body, the ring body holds the focusing ring tightly, the ring body is equipped with first end plate, second end plate, the first end plate and the second end plate form the passageway between the second end plate.

[0011] According to some embodiments of the utility model, the first end plate and the second end plate are connected with locking screw.

[0012] According to some embodiments of the utility model, the first end plate and the second end plate are connected with locking screw.

[0013] According to some embodiments of the utility model, the first end plate and the second end plate are connected with locking screw.

[0014] According to some embodiments of the utility model, the second recess is equipped with rear end, the rear end is located below the fixed ring, the rear end is equipped with V-shaped groove, the V-shaped groove is communicated with the second recess, the V-shaped groove is loaded with guide pulley, the guide pulley is used to guide the steel wire rope to enter and exit the second recess.

[0015] The additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0017] Figure 1It is the whole schematic view of the embodiment of the utility model;

[0018] Figure 2 It is the whole bottom schematic view of the embodiment of the utility model;

[0019] Figure 3 It is the whole rear schematic view of the embodiment of the utility model;

[0020] Figure 4 It is the explosion state schematic view of the embodiment of the utility model;

[0021] Figure 5 It is the overhead schematic view of the embodiment of the utility model;

[0022] Figure 6 It is Figure 5 The middle A-A section schematic view;

[0023] Figure 7 It is the finger push guide rail assembly explosion state schematic view of the embodiment of the utility model;

[0024] Figure 8 It is the finger push guide rail assembly overhead schematic view of the embodiment of the utility model;

[0025] Figure 9 It is Figure 8 The middle B-B section schematic view;

[0026] Figure 10 It is the fixed ring schematic view of the embodiment of the utility model. DETAILED DESCRIPTION

[0027] The embodiment of the utility model is described in detail below, the example of the embodiment is shown in the attached drawings, wherein the same or similar label indicates the same or similar element or element with the same or similar function throughout. The embodiment described below by referring to the attached drawings is exemplary, only for explaining the utility model, and can not be understood as the limitation of the utility model.

[0028] Refer to Figure 1 , 2A telescope focusing mechanism, comprising a telescope 101, a support 100, a fixed ring 200, a finger push guide rail assembly 300, a steel wire rope 400; the telescope 101 is provided with a focusing ring 102; the support 100 is used for supporting and fixing the telescope 101, and the bottom of the support 100 is provided with a second groove 110; the fixed ring 200 is tightly fitted on the focusing ring 102, and rotating the fixed ring 200 makes the focusing ring 102 rotate synchronously; the finger push guide rail assembly 300 comprises a finger push sliding block 310, a guide rail body 320 and a roller 330, the finger push sliding block 310 is slidingly fitted on the guide rail body 320, the bottom of the guide rail body 320 is provided with a first groove 321, the first groove 321 is connected with the second groove 110, the first groove 321 is provided with a front end 301, the front end 301 is located at one end away from the second groove 110, and the roller 330 is rotatably installed in the front end 301; the steel wire rope 400 forms a first rope section 410 and a second rope section 420 after passing through the roller 330, and the second rope section 420 is connected with the finger push sliding block 310; the end of the first rope section 410 is fixed to the left side of the fixed ring 200, and the end of the second rope section 420 is fixed to the right side of the fixed ring 200 after the first rope section 410 and the second rope section 420 pass through the first groove 321 and the second groove 110.

[0029] When focusing, the steel wire rope 400 is pulled by pushing the finger push guide rail assembly 300, so that the fixed ring 200 rotates and drives the focusing ring 102 to rotate; that is, when the finger push guide rail assembly 300 is pushed to move towards the front end 301, the second rope section 420 is pulled by the finger push guide rail assembly 300, so that the fixed ring 200 drives the focusing ring 102 to rotate to the right, and when the finger push guide rail assembly 300 moves away from the front end 301, the first rope section 410 is pulled by the finger push guide rail assembly 300, so that the fixed ring 200 drives the focusing ring 102 to rotate to the left, so that the rotation of the focusing ring 102 is not affected by the wearing of gloves or external factors such as rainy days.

[0030] With reference to Figure 4 The support 100 comprises an upper cover 120 and a main body 130, the telescope 101 is clamped and fixed between the upper cover 120 and the main body 130, so that the support 100 is convenient to install, disassemble and maintain.

[0031] Specifically, the upper cover 120 is provided with a first arc-shaped position 121, the main body 130 is provided with a second arc-shaped position 131, the first arc-shaped position 121 and the second arc-shaped position 131 are matched with the curvature of the shell of the telescope 101, so that the first arc-shaped position 121 and the second arc-shaped position 131 are used to hold the telescope 101.

[0032] With reference to Figure 4The fixing ring 200 comprises a ring body 210 provided with a first end plate 211 and a second end plate 212, and a channel 215 is formed between the first end plate 211 and the second end plate 212. The focusing ring 102 passes through the channel 215, and the ring body 210 is sleeved on the focusing ring 102. The first end plate 211 and the second end plate 212 are connected by a locking screw, and the ring body 210 tightly holds the focusing ring 102 by rotating the locking screw.

[0033] Referring to Figure 10 The fixing ring 200 comprises a ring body 210, a pressing block 220, and the ring body 210 is provided with a first boss 213 and a second boss 214. The first boss 213 and the second boss 214 are respectively located on the left side and the right side of the focusing ring 102. The pressing block 220 is used for fixing the end of the first rope segment 410 on the first boss 213 and fixing the end of the second rope segment 420 on the second boss 214.

[0034] The first boss 213 and the second boss 214 are both provided with a groove 201 for accommodating the end of the first rope segment 410 and the end of the second rope segment 420. The end of the first rope segment 410 and the end of the second rope segment 420 can be tightly pressed on the first boss 213 and the second boss 214 by the pressing block 220, and the problem that the first rope segment 410 and the second rope segment 420 are separated from the first boss 213 and the pressing block 220 and the second boss 214 and the pressing block 220 during the pulling process is avoided.

[0035] The left and right sides of the pressing block 220 are provided with two side feet 221, and the left and right sides of the first boss 213 and the second boss 214 are provided with inclined surfaces 202. The side feet 221 are pressed on the inclined surfaces 202, and the inclined surfaces 202 are provided with the groove 201. The problem that the first rope segment 410 and the second rope segment 420 are separated from the first boss 213 and the pressing block 220 and the second boss 214 and the pressing block 220 due to the displacement of the pressing block 220 is avoided.

[0036] Referring to Figures 5 to 7 The finger pushing sliding block 310 comprises a finger pushing block 311 and a finger pushing cover plate 312. The bottom of the finger pushing block 311 is fixedly installed with the finger pushing cover plate 312. The left and right sides of the finger pushing cover plate 312 are provided with sliding channels 3121, and the sliding channels 3121 are filled with optical shafts 340. The optical shafts 340 are fixed in the first grooves 321 to improve the stability of the finger pushing block 311 during movement.

[0037] Referring to Figure 3The second groove 110 is provided with a rear end 111 located below the fixing ring 200, and the rear end 111 is provided with a V-shaped groove 112 in communication with the second groove 110, and the V-shaped groove 112 is provided with a guide wheel 140, which is used for guiding the steel wire rope 400 to enter and exit the second groove 110, so as to improve the smoothness of the steel wire rope 400 in the pulling process, avoid the friction between the steel wire rope 400 and the end of the support 100 in the pulling process, and affect the smoothness of the pulling and the fracture caused by the friction.

[0038] The above describes the embodiments of the utility model in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A telescope focusing mechanism, characterized in that, include: A telescope (101) is provided with a focusing ring (102). A bracket (100) is provided at the bottom of the bracket (100) to support and fix the telescope (101). A fixing ring (200) is fastened to the focusing ring (102), and rotating the fixing ring (200) causes the focusing ring (102) to rotate synchronously; A finger-push guide rail assembly (300) includes a finger-push slider (310), a guide rail body (320), and a roller (330). The finger-push slider (310) is slidably mounted on the guide rail body (320). The bottom of the guide rail body (320) is provided with a first groove (321). The first groove (321) is connected to the second groove (110). The first groove (321) is provided with a front end (301). The front end (301) is located at the end away from the second groove (110). The roller (330) is rotatably mounted in the front end (301). A steel wire rope (400) is formed after passing around the roller (330) to form a first rope segment (410) and a second rope segment (420), and the second rope segment (420) is connected to the finger push slider (310); After the first rope segment (410) and the second rope segment (420) pass through the first groove (321) and the second groove (110), the end of the first rope segment (410) is fixed to the left side of the fixing ring (200), and the end of the second rope segment (420) is fixed to the right side of the fixing ring (200).

2. The telescope focusing mechanism according to claim 1, characterized in that, The bracket (100) includes a top cover (120) and a main body (130), and the telescope (101) is clamped and fixed between the top cover (120) and the main body (130).

3. A telescope focusing mechanism according to claim 2, characterized in that, The top cover (120) is provided with a first arc-shaped position (121), and the main body (130) is provided with a second arc-shaped position (131). The first arc-shaped position (121) and the second arc-shaped position (131) are used to hold the telescope (101) tightly.

4. A telescope focusing mechanism according to claim 1, characterized in that, The fixing ring (200) includes a ring body (210), the ring body (210) is provided with a first end plate (211) and a second end plate (212), a channel opening (215) is formed between the first end plate (211) and the second end plate (212), the focusing ring (102) enters the ring body (210) through the channel opening (215), so that the ring body (210) holds the focusing ring (102) tightly.

5. A telescope focusing mechanism according to claim 4, characterized in that, A locking screw is connected between the first end plate (211) and the second end plate (212).

6. A telescope focusing mechanism according to claim 1, characterized in that, The fixing ring (200) includes a ring body (210) and a pressure block (220). The ring body (210) is provided with a first boss (213) and a second boss (214). The first boss (213) and the second boss (214) are located on the left and right sides of the focusing ring (102), respectively. Two pressure blocks (220) are used. The two pressure blocks (220) fix the end of the first rope segment (410) to the first boss (213) and fix the end of the second rope segment (420) to the second boss (214), respectively.

7. A telescope focusing mechanism according to claim 6, characterized in that, Both the first boss (213) and the second boss (214) have grooves (201) for accommodating the ends of the first rope segment (410) and the second rope segment (420).

8. A telescope focusing mechanism according to claim 6, characterized in that, The pressure block (220) has two side feet (221) on its left and right sides. The first boss (213) and the second boss (214) both have inclined surfaces (202) on their left and right sides. The side feet (221) press on the inclined surfaces (202).

9. A telescope focusing mechanism according to claim 1, characterized in that, The finger-push slider (310) includes a finger-push block (311) and a finger-push cover plate (312). The finger-push cover plate (312) is fixedly installed at the bottom of the finger-push block (311). The finger-push cover plate (312) is connected to the second rope segment (420). Slides (3121) are opened on the left and right sides of the finger-push cover plate (3121). An optical axis (340) is installed in the slide (3121). The optical axis (340) is fixed in the first groove (321).

10. A telescope focusing mechanism according to claim 1, characterized in that, The second groove (110) has a rear end (111) located below the fixing ring (200). The rear end (111) has a V-shaped groove (112) that communicates with the second groove (110). A guide wheel (140) is installed in the V-shaped groove (112) to guide the wire rope (400) in and out of the second groove (110).

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