CN211264711U

CN211264711U - Adjustable wide type photoelectric door physical comprehensive experiment instrument

Info

Publication number: CN211264711U
Application number: CN202020202512.7U
Authority: CN
Inventors: 郑雨辰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-24
Filing date: 2020-02-24
Publication date: 2020-08-14
Anticipated expiration: 2030-02-24

Abstract

The utility model belongs to the technical field of physical experiment equipment, in particular to a width-adjustable photoelectric door physical comprehensive experiment instrument, which comprises a slide rail, a first supporting arm, a second supporting arm, a photoelectric door transmitting end and a photoelectric door receiving end, wherein the bottoms of the first supporting arm and the second supporting arm are both fixed with a slide block, the slide rail is provided with a slide groove which is in sliding connection with the slide block, the first supporting arm and the second supporting arm, and the inner side wall of the slide groove is provided with a tooth groove; utilize the latch of slider both sides and the tooth's socket of slide rail inner wall to produce the damping and feel, in order to guarantee the reliability of location, and all fixed the line of walking in on two sliders and the line of walking outward pulling respectively, and the roller train at slide rail both ends has been walked around, realized when controlling first support arm and outwards sliding, the synchronous outside slip of second support arm, when controlling first support arm and inwards sliding, the synchronous inside slip of second support arm, very big has made things convenient for the width regulation between two support arms.

Description

Adjustable wide type photoelectric door physical comprehensive experiment instrument

Technical Field

The utility model belongs to the technical field of the physical experiment equipment, concretely relates to adjustable wide type photoelectricity door physics comprehensive experiment appearance.

Background

At present, the photogate instrument that many college physics experiments on the market adopted is various, and common photogate instrument often is used for measuring the angular surveying of boer balance, is used for many object cycle to measure, is used for dolly average speed to measure etc. the ubiquitous width size that can't adjust the photogate at will in the use, can't adjust the photogate width by oneself according to equipment user's demand for some objects that await measuring can't pass through the problem that the photogate detected.

However, the width adjustment mode needs one bolt for adjusting the bottom of the device, and the object to be detected generally needs to be placed in the middle of two electric switches, so that the centering cannot be guaranteed by two independent adjustments, and the adjustment is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a but wide type photogate physics comprehensive experiment appearance to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a width-adjustable photoelectric door physical comprehensive experimental instrument comprises a slide rail, a first supporting arm, a second supporting arm, a photoelectric door transmitting end and a photoelectric door receiving end, the bottoms of the first supporting arm and the second supporting arm are respectively fixed with a sliding block, the sliding rail is provided with a sliding chute which is connected with the sliding block, the first supporting arm and the second supporting arm in a sliding way, the inner side wall of the sliding chute is provided with a tooth socket, the outer walls of the two sides of the sliding block are provided with clamping teeth matched with the tooth socket, the front end and the rear end of each sliding block are provided with connecting columns, the two ends of each sliding rail are provided with roller groups, the connecting columns on the same side of the two sliding blocks are bound with an internal traction rope, and the inner-going traction ropes bypass the roller group at one side of the slide rail, the connecting columns at the other sides of the two slide blocks are bound with outer-going traction ropes, and the outer-going traction ropes are wound on the roller group at the other end of the slide rail.

Preferably, the bottom of the slide rail is provided with a rope pulling groove, and the length of the rope pulling groove is smaller than that of the slide rail.

Preferably, the length of the latch is smaller than that of the sliding block, a spring is arranged on the inner side of the latch, and the latch is elastically connected with the sliding block through the spring.

Preferably, the height of the tooth slot is greater than the width of the latch.

Preferably, the roller group comprises a mounting seat, a roller bracket and a fixed pulley, the roller bracket is vertically fixed on the outer side of the mounting seat, and the fixed pulley is rotatably connected to the upper end and the lower end of the roller bracket.

Preferably, both ends of the slide rail are provided with pin holes, and the mounting seat is provided with fixing pins matched with the pin holes.

Preferably, the height of the roller bracket is greater than the thickness of the sliding rail base plate.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses the latch that utilizes the slider both sides produces the damping with the tooth's socket of slide rail inner wall and feels to guarantee the reliability of location, and all fixed the line of walking in respectively on two sliders and walk outward and draw the line, and the roller train at slide rail both ends has been walked around, realized when the first support arm of control outwards slides, the synchronous outside slip of second support arm, when the first support arm of control inwards slides, the synchronous inwards slide of second support arm, very big has made things convenient for the width between two support arms to adjust.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the latch of the present invention;

fig. 3 is a schematic structural view of the slide rail of the present invention;

fig. 4 is a schematic structural diagram of the middle roller set of the present invention.

In the figure: 1. a slide rail; 101. a chute; 102. a rope pulling groove; 103. a pin hole; 11. a tooth socket; 2. a slider; 21. connecting columns; 22. clamping teeth; 23. a spring; 3. an inward pulling rope; 4. a walk-out pulling rope; 5. a roller set; 51. a mounting seat; 511. a fixing pin; 52. a roller bracket; 53. a fixed pulley; 6. a first support arm; 7. a second support arm; 8. a photogate emitter; 9. and a photoelectric gate receiving end.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a width-adjustable photoelectric door physical comprehensive experiment instrument comprises a slide rail 1, a first supporting arm 6, a second supporting arm 7, a photoelectric door emitting end 8 and a photoelectric door receiving end 9, wherein the bottoms of the first supporting arm 6 and the second supporting arm 7 are respectively fixed with a slide block 2, the slide rail 1 is provided with a slide groove 101 which is in sliding connection with the slide block 2 and the first supporting arm 6 and the second supporting arm 7, the inner side wall of the slide groove 101 is provided with a tooth socket 11, the outer walls of the two sides of the slide block 2 are provided with clamping teeth 22 which are matched with the tooth socket 11, the first supporting arm 6 and the second supporting arm 7 are both connected with the slide rail 1 through the slide block 2, a certain friction force is formed between the slide block 2 and the slide rail 1 through the tooth socket 11 and the clamping teeth 22, only when the first supporting arm 6 or the second supporting arm 7 is pushed by a certain force, the slide block 2 and the slide rail 1 slide relatively slide, the front end and the rear end of the slide, two sliders 2 are tied up on the spliced pole 21 with one side and are tied up interior line tractive rope 3, and interior line tractive rope 3 bypasses the roller train 5 of slide rail 1 one side, tie up on the spliced pole 21 of two slider 2 opposite sides and are tied up and have been tied up outer line tractive rope 4, outer line tractive rope 4 is around establishing on the roller train 5 of the slide rail 1 other end, because the effect of interior line tractive rope 3 and outer line tractive rope 4 and roller train 5, when the first support arm 6 of outside removal or second support arm 7 one of them, another outside removal of outer line tractive rope 4 can be tractive, when the first support arm 6 of inside removal or second support arm 7 one of them, another inside removal of interior line tractive rope 3 can tractive.

Specifically, the bottom of the slide rail 1 is provided with a rope pulling groove 102, the length of the rope pulling groove 102 is smaller than that of the slide rail 1, and at least a part of solid structures at two ends of the rope pulling groove 102 connect the slide rail 1 together, so that the structural strength is ensured.

Specifically, the length of latch 22 is less than the length of slider 2, and the inboard of latch 22 is equipped with spring 23, passes through spring 23 elastic connection between latch 22 and the slider 2, and wherein, spring 23 is the V type spring, can realize through spring 23 that latch 22 slides for slider 2 elasticity, makes the adjustment more smooth.

Specifically, the height of the tooth slot 11 is greater than the width of the latch 22, so that the latch 22 can be in close contact with the tooth slot 11.

Specifically, the roller group 5 includes a mounting seat 51, a roller bracket 52 and a fixed pulley 53, the roller bracket 52 is vertically fixed on the outer side of the mounting seat 51, the fixed pulley 53 is rotatably connected to the upper and lower ends of the roller bracket 52, and the inner-row pulling rope 3 or the outer-row pulling rope 4 passes around the fixed pulley 53 at the upper and lower ends of the roller bracket 52, as shown in fig. 1.

Specifically, pin holes 103 are formed in two ends of the slide rail 1, and fixing pins 511 matched with the pin holes 103 are formed in the mounting seat 51, so that the mounting seat 51 can be conveniently mounted at the end portion of the slide rail 1.

Specifically, the height of the roller bracket 52 is greater than the thickness of the bottom plate of the slide rail 1, so that the inner-row pulling rope 3 or the outer-row pulling rope 4 is ensured not to rub against the slide rail 1.

The utility model discloses a theory of operation and use flow: the first supporting arm 6 and the second supporting arm 7 are connected with the sliding rail 1 through the sliding block 2, a certain friction force is formed between the sliding block 2 and the sliding rail 1 through the tooth grooves 11 and the clamping teeth 22, only when the first supporting arm 6 or the second supporting arm 7 is pushed by a certain force, the sliding block 2 and the sliding rail 1 slide relatively, due to the effects of the internal pulling rope 3, the external pulling rope 4 and the roller train 5, when one of the first supporting arm 6 or the second supporting arm 7 moves outwards, the external pulling rope 4 can pull the other one to move outwards, and when one of the first supporting arm 6 or the second supporting arm 7 moves inwards, the internal pulling rope 3 can pull the other one to move inwards.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an experiment appearance is synthesized to adjustable wide type photoelectricity door physics, includes slide rail (1), first support arm (6), second support arm (7), photoelectricity door transmitting terminal (8) and photoelectricity door receiving terminal (9), its characterized in that: the bottom of the first supporting arm (6) and the bottom of the second supporting arm (7) are both fixed with a sliding block (2), a sliding groove (101) which is connected with the sliding block (2) and the first supporting arm (6) and the second supporting arm (7) in a sliding manner is arranged on the sliding rail (1), a tooth groove (11) is arranged on the inner side wall of the sliding groove (101), clamping teeth (22) matched with the tooth groove (11) are arranged on the outer walls of the two sides of the sliding block (2), connecting columns (21) are arranged at the front end and the rear end of the sliding block (2), roller groups (5) are arranged at the two ends of the sliding rail (1), an internal pulling rope (3) is bound on the connecting column (21) on the same side of the two sliding blocks (2), an external pulling rope (4) is bound on the connecting column (21) on the other side of the two sliding blocks (2), the outward pulling rope (4) is wound on the roller group (5) at the other end of the sliding rail (1).

2. The physical comprehensive experimental instrument for the adjustable-width photoelectric gate of claim 1, which is characterized in that: the bottom of the sliding rail (1) is provided with a rope pulling groove (102), and the length of the rope pulling groove (102) is smaller than that of the sliding rail (1).

3. The physical comprehensive experimental instrument for the adjustable-width photoelectric gate of claim 1, which is characterized in that: the length of latch (22) is less than the length of slider (2), just the inboard of latch (22) is equipped with spring (23), latch (22) with pass through between slider (2) spring (23) elastic connection.

4. The physical comprehensive experimental instrument for the adjustable-width photoelectric gate of claim 1, which is characterized in that: the height of the tooth groove (11) is larger than the width of the clamping tooth (22).

5. The physical comprehensive experimental instrument for the adjustable-width photoelectric gate of claim 1, which is characterized in that: the roller group (5) comprises a mounting seat (51), a roller bracket (52) and a fixed pulley (53), wherein the roller bracket (52) is vertically fixed on the outer side of the mounting seat (51), and the fixed pulley (53) is rotatably connected to the upper end and the lower end of the roller bracket (52).

6. The physical comprehensive experimental instrument for the adjustable-width photoelectric door of claim 5, characterized in that: the two ends of the sliding rail (1) are provided with pin holes (103), and the mounting seat (51) is provided with fixing pins (511) matched with the pin holes (103).

7. The physical comprehensive experimental instrument for the adjustable-width photoelectric door of claim 5, characterized in that: the height of the roller bracket (52) is larger than the thickness of the bottom plate of the slide rail (1).