CN217061234U

CN217061234U - Physical experiment is with timing ware of dotting with auxiliary structure

Info

Publication number: CN217061234U
Application number: CN202220707235.4U
Authority: CN
Inventors: 王文慧
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-07-26
Anticipated expiration: 2032-03-29

Abstract

The utility model relates to a time-recorder technical field of dotting, specifically be a physical experiment is with time-recorder of dotting with auxiliary structure, the on-line screen storage device comprises a base, set up the rectangle post on the base, the equidistance sets up a plurality of groups draw-in grooves on the rectangle post, set up the sliding sleeve mechanism that has braking function on the rectangle post, set up the mechanism of stopping in the sliding sleeve mechanism, sliding sleeve mechanism connection fixed plate, stir the crank, make the board of stopping once only hug closely the rectangle post, make and form the frictional force between board and the rectangle post of stopping, the crank makes the cardboard upset through axle one simultaneously, make the cardboard break away from the draw-in groove, at the mechanism of stopping, sliding sleeve mechanism, under fixed plate self action of gravity, make the rectangle sliding sleeve along rectangle post downstream, because form the frictional force between board of stopping and the rectangle post, avoid the rectangle sliding sleeve to descend rapidly leisurely, the indirect time-recorder of dotting is broken on avoiding the fixed plate.

Description

Physical experiment is with timing ware of dotting with auxiliary structure

Technical Field

The utility model relates to a time-recorder technical field of dotting specifically is a physical experiment is with time-recorder of dotting with auxiliary structure.

Background

The dotting timer is a time measuring tool, if a paper tape driven by a moving object passes through the dotting timer, the moving time of the object is recorded by the dots printed on the paper tape, the positions of the moving object at different moments are correspondingly shown by the dots on the paper tape, and the moving frequency of the object can be analyzed by researching the intervals between the dots on the paper tape.

When the speed of object free fall is verified to needs, the fixed plate that the time-recorder was got ready will be installed to the needs is installed on the lift post, and the fixed plate can slide along the lift post, and consequently the experimenter can adjust the height of fixed plate according to actual conditions, but the fixed plate is generally through the bolt-up on the lift post, consequently when adjusting the lift post, need loose tight bolt repeatedly, it is more troublesome to make fixed plate altitude mixture control, revolves the wrong bolt of twisting repeatedly simultaneously, leads to the screw tooth to collapse on the bolt easily, for this reason, the utility model provides a physics experiment with auxiliary structure is with getting ready the time-recorder and being used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a physics is with beating time-recorder with auxiliary structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a dotting timer with an auxiliary structure for physical experiments comprises a base, wherein a rectangular column is arranged on the base, a plurality of groups of clamping grooves are formed in the rectangular column at equal intervals, a sliding sleeve mechanism with a braking function is arranged on the rectangular column, a braking mechanism is arranged on the sliding sleeve mechanism, and the sliding sleeve mechanism is connected with a fixing plate;

the sliding sleeve mechanism comprises a rectangular sliding sleeve, a rectangular groove is formed in one side of the inside of the rectangular sliding sleeve, a clamping plate is arranged in the rectangular groove, a rectangular hole is formed in the clamping plate, a guide pillar is arranged in the rectangular hole, the sliding sleeve is connected with the guide pillar in a sliding mode, a spring is sleeved on the guide pillar, and a connecting rod is arranged on the sliding sleeve.

Preferably, the braking mechanism comprises a main shaft, one end of the main shaft is connected with a crank, a first shaft is arranged on the crank, a bearing is arranged at one end of the first shaft, the bearing is rotatably connected with a guide groove, the guide groove is positioned on a braking plate, and the braking plate is slidably connected with two groups of sliding rods.

Preferably, the first sliding sleeve is internally provided with a first guide hole which is connected with the guide post in a sliding manner, and one end of the clamping plate is clamped with the clamping groove.

Preferably, two sets of pin shafts are arranged at two ends of the connecting rod, one end of each pin shaft is provided with a bearing, one set of bearing is embedded into a first support arranged on the sliding sleeve, and the other set of bearing is embedded into a second support arranged in the rectangular groove.

Preferably, a first shaft is fixedly connected with the clamping plate, two groups of bearings are arranged on the first shaft, and the bearings are embedded into the rectangular sliding sleeve.

Preferably, two groups of second guide holes are formed in the brake stopping plate, and the second guide holes are connected with the sliding rod in a sliding mode.

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

1. the rectangular sliding sleeve is pushed upwards, the rectangular sliding sleeve drives the fixed plate to move along the rectangular column, the movement of the rectangular sliding sleeve drives the clamping plate to move, the movement of the clamping plate is extruded by the current clamping groove, one end of the clamping plate is enabled to upwards overturn, the overturning of the clamping plate is enabled, the connecting rod pushes the first sliding sleeve to move along the rectangular groove, and the first sliding sleeve compresses the spring, one end of the clamping plate is enabled to stagger the current clamping groove until the fixed plate reaches a specified position, one end of the clamping plate downwards overturns under the action of the rebound force of the spring until one end of the clamping plate slides into the corresponding clamping groove, so that the whole sliding sleeve mechanism is limited, the height adjustment of the fixed plate is realized, and meanwhile, the height adjustment of a worker on the fixed plate is facilitated;

2. stir the crank, make the board of stopping once only hug closely the rectangle post, make and form frictional force between board and the rectangle post of stopping, the crank makes the cardboard upset through axle one simultaneously, makes the cardboard break away from the draw-in groove, under the mechanism of stopping, sliding sleeve mechanism, fixed plate self action of gravity, make the rectangle sliding sleeve along rectangle post downstream, owing to form frictional force between board and the rectangle post of stopping, avoid the rectangle sliding sleeve to descend rapidly leisurely, the indirect time-recorder of beating on avoiding the fixed plate is bumped badly.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a combined view of the rectangular column, the sliding sleeve mechanism and the braking mechanism of the utility model;

FIG. 3 is a partial sectional view of the sliding sleeve mechanism and the brake mechanism of the present invention;

fig. 4 is the utility model discloses structure rectangle sliding sleeve and stopping board combination diagram.

In the figure: 1. a base; 2. a rectangular column; 3. a card slot; 4. a sliding sleeve mechanism; 5. a fixing plate; 6. a brake mechanism; 401. a rectangular sliding sleeve; 402. a rectangular groove; 403. clamping a plate; 404. a rectangular hole; 405. a guide post; 406. a first sliding sleeve; 407. a spring; 408. a connecting rod; 601. a main shaft; 602. a crank; 603. a first shaft; 604. a brake plate; 605. a slide bar; 606. a guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 to 4, the present invention provides a technical solution: a dot timer with an auxiliary structure for physical experiments comprises a base 1, a rectangular column 2 is arranged on the base 1, a plurality of groups of clamping grooves 3 are equidistantly arranged on the rectangular column 2, a sliding sleeve mechanism 4 with a braking function is arranged on the rectangular column 2, a brake stopping mechanism 6 is arranged on the sliding sleeve mechanism 4, the sliding sleeve mechanism 4 is connected with a fixing plate 5, the sliding sleeve mechanism 4 comprises a rectangular sliding sleeve 401, a rectangular groove 402 is arranged on one side in the rectangular sliding sleeve 401, a clamping plate 403 is arranged in the rectangular groove 402, a rectangular hole 404 is arranged on the clamping plate 403, a guide pillar 405 is arranged in the rectangular hole 404, the guide pillar 405 is slidably connected with a sliding sleeve one 406, a spring 407 is sleeved on the guide pillar 405, a connecting rod 408 is arranged on the sliding sleeve one 406, a first guide hole is arranged in the sliding sleeve one 406, the first guide hole is slidably connected with the guide pillar 405, one end of the clamping plate is clamped with the clamping grooves 3, two ends of the connecting rod 408 are provided with two groups of pin shafts, one end of each pin shaft is provided with a bearing, one group of the bearing is embedded in a first support arranged on the sliding sleeve 406, the other set of bearings is embedded in the second bearing seat arranged in the rectangular groove 402, wherein the striking timer is fixed on the fixed plate 5, when the height of the fixed plate 5 needs to be raised, the rectangular sliding sleeve 401 is pushed upwards, the rectangular sliding sleeve 401 drives the fixed plate 5 to move along the rectangular column 2, the movement of the rectangular sliding sleeve 401 drives the clamping plate 403 to move, the movement of the clamping plate 403 is extruded by the current clamping groove 3, one end of the clamping plate 403 is turned upwards, the connecting rod 408 pushes the sliding sleeve 406 to move along the rectangular groove 402, and the sliding sleeve one 406 compresses the spring 407, so that one end of the clamping plate 403 is staggered with the current clamping groove 3, until the fixing plate 5 reaches the designated position, one end of the clamping plate 403 is turned downwards under the action of the rebounding force of the spring 407 until one end of the clamping plate 403 slides into the corresponding clamping groove 3, thereby limiting the whole sliding sleeve mechanism 4, not only realizing the height adjustment of the fixed plate 5, but also facilitating the height adjustment of the fixed plate 5 by the working personnel;

the braking mechanism 6 comprises a main shaft 601, one end of the main shaft 601 is connected with a crank 602, a first shaft 603 is arranged on the crank 602, one end of the first shaft 603 is provided with a bearing, the bearing is rotatably connected with a guide groove 606, the guide groove 606 is positioned on a braking plate 604, the braking plate 604 is slidably connected with two sets of sliding rods 605, the first shaft 603 is fixedly connected with a clamping plate 403, the first shaft 603 is provided with two sets of bearings, the bearing is embedded into a rectangular sliding sleeve 401, the braking plate 604 is provided with two sets of guide holes II, the guide holes II are slidably connected with the sliding rods 605, wherein when the rectangular sliding sleeve 401 ascends to drive the clamping plate 403 to overturn, the clamping plate 403 simultaneously drives the main shaft 601 to rotate, the main shaft 601 drives one end of the first shaft 603 to move along the guide groove 606, the braking plate 604 to move towards a rectangular column 2, when the clamping plate 403 is staggered with a current clamping groove 3, the braking plate is just close to the rectangular column 2 and cannot affect the rectangular column 2, therefore, when the height of a fixing plate 5 needs to descend, the crank 602 is shifted to enable the brake plate 604 to be tightly attached to the rectangular column 2 at one time, friction force is formed between the brake plate 604 and the rectangular column 2, meanwhile, the crank 602 enables the clamping plate 403 to turn over through the first shaft 603, the clamping plate 403 is enabled to be separated from the clamping groove 3, the brake mechanism 6, the sliding sleeve mechanism 4 and the fixing plate 5 move downwards along the rectangular column 2 under the action of self gravity of the brake mechanism 6, the sliding sleeve mechanism 4 and the fixing plate 5, friction force is formed between the brake plate 604 and the rectangular column 2, rapid descending of the rectangular sliding sleeve 401 is avoided, and damage to a counting timer on the fixing plate 5 is avoided indirectly.

The working principle is as follows: in the using process, when the height of the fixed plate 5 needs to be raised, the rectangular sliding sleeve 401 is pushed upwards, the rectangular sliding sleeve 401 drives the fixed plate 5 to move along the rectangular column 2, the movement of the rectangular sliding sleeve 401 drives the clamping plate 403 to move, the movement of the clamping plate 403 is extruded by the current clamping groove 3, one end of the clamping plate 403 is enabled to turn upwards, the clamping plate 403 turns over, the connecting rod 408 pushes the sliding sleeve 406 to move along the rectangular groove 402, the sliding sleeve 406 compresses the spring 407, one end of the clamping plate 403 is enabled to be staggered with the current clamping groove 3 until the fixed plate 5 reaches the specified position, one end of the clamping plate 403 is enabled to turn downwards under the action of the counter-elastic force of the spring 407 until one end of the clamping plate 403 slides into the corresponding clamping groove 3, when the height of the fixed plate 5 needs to be lowered, the crank 602 is shifted, the brake plate 604 is enabled to be tightly attached to the rectangular column 2 at one time, so that friction force is formed between the brake plate 604 and the rectangular column 2, and the brake mechanism 6, Under the action of the gravity of the sliding sleeve mechanism 4 and the fixing plate 5, the rectangular sliding sleeve 401 moves downwards along the rectangular column 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a physics is count time-recorder with auxiliary structure for experiments, includes base (1), set up rectangle post (2) on base (1), rectangle post (2) equidistance sets up a plurality of groups draw-in groove (3), its characterized in that: a sliding sleeve mechanism (4) with a braking function is arranged on the rectangular column (2), a brake stopping mechanism (6) is arranged on the sliding sleeve mechanism (4), and the sliding sleeve mechanism (4) is connected with a fixing plate (5);

the sliding sleeve mechanism (4) comprises a rectangular sliding sleeve (401), one side of the rectangular sliding sleeve (401) is provided with a rectangular groove (402), a clamping plate (403) is arranged in the rectangular groove (402), a rectangular hole (404) is formed in the clamping plate (403), a guide pillar (405) is arranged in the rectangular hole (404), the guide pillar (405) is connected with the sliding sleeve I (406) in a sliding mode, a spring (407) is sleeved on the guide pillar (405), and a connecting rod (408) is arranged on the sliding sleeve I (406).

2. A physical experiment dotting timer with an auxiliary structure according to claim 1, wherein: the braking mechanism (6) comprises a main shaft (601), one end of the main shaft (601) is connected with a crank (602), a first shaft (603) is arranged on the crank (602), one end of the first shaft (603) is provided with a bearing, the bearing is rotatably connected with a guide groove (606), the guide groove (606) is positioned on a braking plate (604), and the braking plate (604) is slidably connected with two sets of sliding rods (605).

3. A physical experiment dotting timer with an auxiliary structure according to claim 1, wherein: the first sliding sleeve (406) is internally provided with a first guide hole which is connected with the guide post (405) in a sliding manner, and one end of the clamping plate (403) is clamped with the clamping groove (3).

4. A physical experiment dotting timer with an auxiliary structure according to claim 1, characterized in that: two ends of the connecting rod (408) are provided with two groups of pin shafts, one end of each pin shaft is provided with a bearing, one group of bearings are embedded into a first support arranged on the first sliding sleeve (406), and the other group of bearings are embedded into a second support arranged in the rectangular groove (402).

5. A physical experiment dotting timer with an auxiliary structure according to claim 2, wherein: the first shaft (603) is fixedly connected with the clamping plate (403), two groups of bearings are arranged on the first shaft (603), and the bearings are embedded into the rectangular sliding sleeve (401).

6. A physical experiment dotting timer with an auxiliary structure according to claim 2, wherein: two groups of second guide holes are formed in the brake stopping plate (604), and the second guide holes are connected with the sliding rod (605) in a sliding mode.