CN221513465U - Device for measuring pit long jump score - Google Patents

Abstract

The utility model provides a device for measuring the long jump performance of a sand pit, which relates to the technical field of sports, and comprises a track, the track is provided with a slide block, the slide block is provided with a bracket, and the top end of the bracket is provided with a laser. When measuring the drop point of the sand pit, arranging a track along the edge of the sand pit, pushing a support to the vicinity of the drop point of the sand pit, unscrewing an adjusting knob, opening a first laser, adjusting the laser drop point of the first laser to drop at the position of the sand pit by using the adjusting handle, screwing the adjusting knob, ensuring the position of the laser drop point to be unchanged, opening a second laser, and directly reading on a length scale on the track to obtain the long jump score. The utility model has simple structure, low manufacturing cost and convenient and rapid operation, and can be widely popularized and used.

Description

Device for measuring pit long jump score

Technical Field

The utility model relates to the technical field of sports, in particular to a device for measuring the long jump performance of a sand pit.

Background

Long jump is a necessary test item for annual constitution tests in middle school. The high and low of the long jump score reflects the physical quality condition of teenagers, and has important reference function for the national establishment of relevant physical health standards. The traditional measuring means adopts tools such as a tape measure to carry out manual measurement, the precision abrasion of the tape measure and the visual observation lead to larger reading error, and the data recording, statistics and management are more troublesome, along with the sports are brought into middle school examination, a large number of students gather in the same sand pit to carry out jump test every time the examination, if the traditional tape measure mode is adopted, a large amount of time waste is caused, and therefore, a mode of rapidly measuring the dropping point of the sand pit is necessary.

Publication (bulletin) number: CN106512373B discloses a long jump testing device and a long jump score evaluation device, the long jump testing device comprises a distance measuring device and a processing device. The distance measuring device comprises a mounting mechanism and an infrared distance measuring instrument, wherein the infrared distance measuring instrument is arranged on the mounting mechanism. The processing device comprises a stand column, a device main body, an information reading device, a data transmission device, a display and a controller. The stand set up in installation mechanism, the device main part set up in the stand is kept away from installation mechanism's one end. The information reading device, the data transmission device, the display and the controller are arranged on the device main body, and the information reading device, the data transmission device and the display are respectively connected with the controller. The long jump testing device and the long jump score evaluation device can accurately measure the long jump distance of a long jump person and visually display the long jump distance through a display. The jump testing device and the jump score evaluation device described in the analysis publication have complex structure and high cost, and are not suitable for popularization and application.

Disclosure of utility model

The utility model provides a device for measuring a pit long jump score, which aims to at least solve the technical problems in the prior art mentioned in the background art.

The utility model provides the following technical scheme to achieve the above purpose:

The utility model provides a measure device of sand pit long jump achievement, includes the track, sets up 2 at least sliders on the track, and the slider is erect on the slider and is equipped with the support, and the top of support is provided with laser indicating device.

Further, the laser indicating device comprises a second laser arranged at the lower side of the top of the bracket, and the second laser is vertically directed to the track; the support top upside is provided with the mounting bracket, and the mounting bracket top articulates there is adjustment handle, and adjustment handle front end is equipped with first laser instrument, and first laser instrument and second laser instrument are in the coplanar, and this plane perpendicular to track.

Furthermore, an adjusting knob is arranged on the mounting frame.

Furthermore, the support comprises an inserted link arranged at the top of the sliding block, the top of the inserted link is inserted into the movable support, a group of clamping holes are formed in the inserted link and the movable support, at least one of the clamping holes of the inserted link and the movable support is aligned, and bolts are arranged in the aligned clamping holes.

Further, the side face of the bracket is provided with a handle.

Further, the track is provided with scales.

Furthermore, the cross section of the track is I-shaped, and the sliding block is clamped on the track.

Advantageous effects

Compared with the prior art, the utility model has the following beneficial effects:

1. The utility model can finish measuring the pit long jump score by only using the track, the slide block, the bracket and the laser indicating device, has simple structure and low manufacturing cost, and can be widely popularized and used.

2. The laser indicating device comprises a second laser arranged at the lower side of the top of the bracket, wherein the second laser is vertically directed at the track; the upper side of the top of the bracket is provided with a mounting frame, the top of the mounting frame is hinged with an adjusting handle, the front end of the adjusting handle is provided with a first laser, the first laser and the second laser are positioned in the same plane, and the plane is perpendicular to the track; an adjusting knob is arranged on the mounting frame. The first laser is limited to swing in the same plane in a hinged mode, the falling point position of the first laser can be changed by using the adjusting handle, the swinging angle of the first laser can be fixed by the adjusting knob, and the influence on a measuring result due to the deviation of the ray position in the measuring process is prevented.

3. The bracket is provided with two groups of clamping holes, the fixing of the bracket can be realized by inserting bolts into the clamping holes, and meanwhile, the height of the bracket can be adjusted by inserting bolts into the holes of the clamping holes in a changing way; meanwhile, the side face of the bracket is provided with a handle, so that the whole device can be conveniently pushed to move on the track in the using process.

4. The cross section of the track is I-shaped, and the sliding block is clamped on the track. The sliding blocks can be conveniently taken down from the rails, and meanwhile, the stability of the whole device is guaranteed due to the fact that the two sliding blocks are clamped.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the figures in the following description relate only to some embodiments of the utility model and that other figures can be obtained from these figures without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a split structure of a bracket according to the present utility model;

FIG. 3 is a schematic view of the present utility model in use;

FIG. 4 is a schematic diagram of an embodiment of the present utility model;

FIG. 5 is a schematic view of the structure of FIG. 4 in use;

FIG. 6 is a second schematic diagram of an embodiment of the present utility model;

FIG. 7 is a schematic view showing the use of the L-shaped bracket with the edge of the pit in the structure of FIG. 6;

Reference numerals: the device comprises a 1-track, a 2-sliding block, a 3-support, a 31-movable support, a 32-inserting rod, a 33-clamping hole, a 34-handle, a 4-laser indicating device, a 41-first laser, a 42-second laser, a 43-adjusting knob, a 44-adjusting handle, a 45-mounting frame, a 5-first support body, a 6-second support body, a 7-L-shaped support and 71-idler wheels.

Detailed Description

In order to enable those skilled in the art to better understand the present utility model, the following description will make clear and complete descriptions of the technical solutions according to the embodiments of the present utility model with reference to the accompanying drawings.

It should be noted that in the present utility model: the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus; the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "transverse," "longitudinal," and the like are used for referring to an orientation or positional relationship based on that shown in the drawings, which are meant primarily to better describe the utility model and its embodiments and are not meant to limit the device, element or component that is indicated to have or be constructed and operated in a particular orientation; the terms "first," "second," and the like, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order; the terms "mounted," "configured," "provided," "connected," "sleeved," and the like are to be construed broadly; for example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. Also, some terms may be used to indicate other meanings besides orientation or positional relationship, for example, the term "upper" may also be used to indicate some kind of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1. The device for measuring the long jump performance of the sand pit comprises a track 1, wherein at least 2 sliding blocks 2, preferably two sliding blocks 2 are arranged on the track 1, a support 3 is arranged on the sliding blocks 2 in a erected mode, and a laser indicating device 4 is arranged at the top end of the support 3.

The laser indicating device 4 comprises a second laser 42 arranged on the lower side of the top of the bracket 3, and the second laser 42 is vertically directed to the track 1; the upside at support 3 top is provided with mounting bracket 45, and mounting bracket 45 top articulates there is adjustment handle 44, and adjustment handle 44 front end is equipped with first laser 41, and first laser 41 and second laser 42 are in the coplanar, and this plane is perpendicular to track 1. The arrangement in this way can minimize errors caused by laser ray deviation in the measuring process and improve the accuracy.

The mounting frame is provided with an adjusting knob 43. After the adjusting knob 43 is loosened, the adjusting handle 44 is used to enable the first laser 41 to swing around the hinging position in a fixed plane, so that a sand pit point position is searched, and after the sand pit point position is determined, the adjusting knob 43 is screwed down to fix the swinging angle of the first laser 41.

The support 3 includes a plug rod 32, the plug rod 32 is inserted into the movable support 31, as shown in fig. 2, two sets of clamping holes 33 are provided at the overlapping portions of the plug rod 32 and the movable support 31, in this embodiment, a set of 6 sets of clamping holes are adopted, the movable support 31 can be fixed on the plug rod 32 by inserting bolts, and meanwhile, the height of the support 3 can be adjusted by inserting bolts into the holes of the clamping holes 33.

The side of the bracket 3 is provided with a handle 32. The bracket 3 is conveniently pushed to move on the track 1 by the handle 32.

The track 1 is provided with graduations. The spot of light irradiated by the second laser 42 falls on the scale to directly read, and the long jump result is obtained.

The cross section of the rail 1 is I-shaped, the I-shaped rail 1 is easier to clean than a conventional groove-shaped rail, and the sliding block 2 is clamped on the rail 1. The track 1 and the sliding blocks 2 form a sliding buckle structure, the installation is convenient, and the two sliding blocks 2 increase the stability of the whole device.

The using method comprises the following steps: when measuring the drop point of the sand pit, as shown in fig. 3, the track 1 is arranged along the edge of the sand pit, the bracket 3 is pushed to the vicinity of the drop point of the sand pit, the adjusting knob 43 is unscrewed, the first laser 41 is opened, the adjusting knob 44 is used for adjusting the laser drop point of the first laser 41 to drop at the position of the sand pit, the adjusting knob 43 is screwed, the position of the laser drop point is unchanged, the second laser 42 is opened, and the reading is directly performed on the graduated scale on the track 1, so that the long jump result can be obtained.

Example 2. The device for measuring the long jump performance of the sandpit is similar to the structure of the embodiment 1, and is characterized in that the bottom of the bracket 3 does not adopt a track 1 and a sliding block 2, as shown in fig. 4, the bottom of the bracket 3 adopts two T-shaped brackets, and the T-shaped brackets consist of a first bracket body and a second bracket body; when measuring the drop point of the sand pit, as shown in fig. 5, a tape measure is laid at the edge of the sand pit, the tape measure is kept to form a straight line, the first frame body of the two T-shaped brackets of the embodiment is placed on the tape measure and is kept coincident with the straight line state of the tape measure, then the adjusting knob 43 is unscrewed, the first laser 41 is opened, the adjusting knob 44 is used for adjusting the laser drop point of the first laser 41 to drop at the position of the sand pit, the adjusting knob 43 is screwed, the position of the laser drop point is kept unchanged, the second laser 42 is opened, and the reading on the tape measure is directly performed, so that the long jump result can be obtained.

Example 3. According to the device for measuring the long jump performance of the sandpit, the structures of the track 1 and the slide block 2 in the previous embodiments 1-2 are replaced by the L-shaped support 7 at the bottom of the support 3 and the transverse roller 71 and the vertical roller 71 at the inner side of the L-shaped support 7, and according to the structures, as shown in fig. 6-7, the device is convenient to walk along the sandpit by utilizing the roller 71.

It will be apparent that the foregoing is only a partial, but not all, embodiment of the utility model. The above embodiments are not intended to limit the utility model, and various modifications and variations of the present utility model will be apparent to those skilled in the art. Any other embodiments, which may be made by one of ordinary skill in the art in combination, modifications, equivalents, improvements, etc., are within the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a measure device of sand pit long jump achievement which characterized in that: the device comprises a track (1), wherein at least 2 sliding blocks (2) are arranged on the track (1), a bracket (3) is erected on the sliding blocks (2), and a laser indicating device (4) is arranged at the top end of the bracket (3);

the laser indicating device (4) comprises a second laser (42) arranged on the lower side of the top of the bracket (3), and the second laser (42) is vertically directed to the track (1); the upper side at the top of the bracket (3) is provided with a mounting frame (45), the top of the mounting frame (45) is hinged with an adjusting handle (44), the front end of the adjusting handle (44) is provided with a first laser (41), the first laser (41) and a second laser (42) are positioned in the same plane, and the plane is perpendicular to the track (1).

2. The apparatus for measuring pit jump performance of claim 1, wherein: an adjusting knob (43) is arranged on the mounting frame (45).

3. The apparatus for measuring pit jump performance of claim 1, wherein: the support (3) comprises an inserting rod (32) arranged at the top of the sliding block (2), the top of the inserting rod (32) is inserted into the movable support (31), a group of clamping holes (33) are formed in the inserting rod (32) and the movable support (31), at least one of the clamping holes (33) of the inserting rod (32) and the movable support (31) is aligned, and bolts are arranged in the aligned clamping holes (33).

4. The apparatus for measuring pit jump performance of claim 1, wherein: the side of the bracket (3) is provided with a handle (34).

5. The apparatus for measuring pit jump performance of claim 1, wherein: the track (1) is provided with scales.

6. The apparatus for measuring pit jump performance of claim 1, wherein: the cross section of the track (1) is I-shaped, and the sliding block (2) is clamped on the track (1).