CN213155888U

CN213155888U - Self-adjusting seat body forward bending tester for sports

Info

Publication number: CN213155888U
Application number: CN202021338901.9U
Authority: CN
Inventors: 黄建华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-05-11
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a sports is with body anteflexion tester from adjusting seat, comprising a base plate, the transmission groove has been seted up to the upper surface of bottom plate, it is provided with two grip blocks that are used for centre gripping testpieces shank to slide in the transmission groove, be equipped with drive mechanism in the transmission groove, drive mechanism includes two craspedodrome gears and circular gear, circular gear movable mounting is in the axis department of transmission groove, the one end fixed mounting of craspedodrome gear has the fixed plate, two fixed plates are central symmetry, two grip blocks fixed mounting respectively are on two fixed plates, be provided with the return spring in the transmission groove, the one end fixed mounting of return spring is on the outer wall of grip block one side, other end fixed mounting is on the lateral wall of transmission groove. The utility model provides a self-interacting seat body anteflexion tester is used in sports, in the test, just can avoid the knee of two legs to upwards lift up in the test to improve tester's the test accuracy, improve the result of use of device.

Description

Self-adjusting seat body forward bending tester for sports

Technical Field

The utility model relates to a sports test technical field relates to a sports is with self-interacting seat body anteflexion tester particularly.

Background

The sitting posture forward bending is an important item for testing the physical health of the primary and middle schools, and the testing aim of the sitting posture forward bending is to measure the possible activity range of joints such as the trunk, the waist and the hip in a static state and mainly reflect the extensibility and elasticity of the joints, ligaments and muscles of the parts and the development level of the physical flexibility of the parts.

The existing seat body forward bending testing device is generally used in a concrete way, and because two legs of a tester are tested without a limiting device, the positions of the knees of the two legs of the tester can be lifted upwards and pressed by other personnel in a concrete test, so that the measured value is accurate, and the accuracy of the device in the measurement process is reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, an aspect of the present invention is to provide a self-adjusting seat body anteflexion tester for sports, which aims to solve the problem that when the existing seat body anteflexion testing device is used, because the two legs of the tester are not provided with a limiting device when being tested, the position of the knees of the two legs of the tester can be lifted upwards and needs to be pressed by other people when being tested specifically, thereby resulting in the accuracy of the measured value and reducing the accuracy of the device when being measured.

Technical scheme

In order to achieve the above purpose, the utility model provides a self-adjusting seat body anteflexion tester for sports, which comprises a bottom plate, a movable frame and a test main body, the upper surface of the bottom plate is provided with a transmission groove, two clamping blocks for clamping the legs of a tester are arranged in the transmission groove in a sliding manner, a transmission mechanism is arranged in the transmission groove and comprises two straight gears and a circular gear, the circular gears are movably arranged at the middle shaft of the transmission groove, one end of each straight gear is fixedly provided with a fixed plate, the two fixed plates are centrosymmetric, the two clamping blocks are respectively and fixedly arranged on the two fixed plates, and return springs are symmetrically arranged in the transmission groove, one end of each return spring is fixedly arranged on the outer wall of one side of the clamping block, and the other end of each return spring is fixedly arranged on the side wall of the transmission groove.

Preferably, the lower surface of the moving frame is symmetrically provided with sliding strips, the upper surface of the bottom plate is symmetrically provided with first sliding grooves, the sliding strips are connected in the first sliding grooves in a sliding mode, the upper surface of the moving frame is in threaded connection with locking screws, the upper surface of the bottom plate is provided with locking grooves corresponding to the locking screws, and one ends of the locking screws are located in the locking grooves.

Preferably, the test body is disposed on the moving rack.

Preferably, pulley grooves are symmetrically formed in the transmission groove, rollers are movably mounted at the bottom of the clamping block, and the rollers are located in the pulley grooves.

Preferably, the bottom plate, the movable frame and the clamping block are all provided with cotton pads.

Preferably, the lower surface of the bottom plate is provided with barbs.

Preferably, two second sliding grooves are formed in the transmission groove, and the two straight gears are respectively connected in the second sliding grooves in a sliding mode.

Advantageous effects

Compared with the prior art, the utility model provides a pair of self-interacting seat body anteflexion tester is used in sports, the beneficial effect who possesses: when in use, firstly, a handle on one clamping block is pulled outwards, then the clamping block is driven to move outwards to drive the fixed plate connected on the clamping block to move so as to drive the corresponding straight gear to move, and as the circular gear is respectively meshed with the two straight gears, the other straight gear is driven to move in the opposite direction, the two clamping blocks are simultaneously opened, then a tester sits on a cotton pad arranged on the bottom plate, two feet are contacted with a cotton pad arranged on the moving frame, two legs are positioned between two clamping blocks, then one clamping block is loosened, the two clamping blocks move towards the middle of the bottom plate under the elastic force of a return spring to clamp the two legs of a tester, the clamping position is approximately positioned at the knee position of the tester, then a test main body can be used for testing, so that the knees of the two legs can be prevented from being lifted upwards during testing, the testing accuracy of the tester is improved, the using effect of the device is improved, in order to further prevent the knees of the two legs of the tester from being lifted upwards during testing, during specific measurement, the testers are grouped according to the difference of heights, then the positions of the moving frame and the clamping blocks are correspondingly adjusted to different heights, so that the knees of the two legs of the tester are positioned between the two clamping blocks, thereby the accuracy of improvement device measurement that can be further, when the position of adjusting removal frame, only need to unscrew locking screw, then can adjust, after the regulation finishes, screw up locking screw again, make locking screw tightly be located the locking inslot can to improve device's suitability.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

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

FIG. 2 is a schematic structural view of the bottom plate of the present invention;

FIG. 3 is a schematic structural view of the movable frame and the test main body of the present invention;

fig. 4 is a schematic view of a partial cross-sectional structure of the bottom plate of the present invention;

fig. 5 is a schematic structural view of the straight gear, the clamping block, the roller and the fixing plate of the present invention.

The main reference numbers:

1. a base plate; 2. a clamping block; 3. a movable frame; 4. testing the subject; 5. a circular gear; 6. a return spring; 7. a straight gear; 101. a barb; 102. a locking groove; 103. a first chute; 104. a cotton pad; 105. a transmission groove; 1051. a pulley groove; 1052. a second chute; 201. a roller; 301. locking the screw; 302. a slide bar; 401. and (7) fixing the plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components have been omitted from the present disclosure.

Referring to fig. 1-5, a self-adjusting sitting position body anteflexion tester for sports, wherein a transmission mechanism is arranged in a transmission groove 105 formed in a bottom plate 1, two clamping blocks 2 are arranged in the transmission groove 105 in a sliding manner, and then the transmission mechanism is utilized to drive the two clamping blocks 2 to move simultaneously, so that during testing, knees of two legs can be prevented from being lifted upwards during testing, testing accuracy of a tester is improved, using effect of the tester is improved, in order to further prevent knees of two legs of the tester from being lifted upwards during testing, during specific measurement, testers are grouped according to height difference, and then corresponding adjustment is performed on groups with different heights to move positions of a frame 3 from the clamping blocks 2, so that the knees of two legs of the tester are positioned between the two clamping blocks 2, and measuring accuracy of the tester can be further improved, when the position of the movable frame 3 is adjusted, the locking screw 301 is loosened and then adjusted, and after the adjustment is finished, the locking screw 301 is screwed down, so that the locking screw 301 is tightly positioned in the locking groove 102, and the applicability of the device is improved.

The utility model provides a pair of self-interacting seat body anteflexion tester is used in sports, driving groove 105 has been seted up to bottom plate 1's upper surface, it is provided with two grip blocks 2 that are used for centre gripping testware shank to slide in driving groove 105, be equipped with drive mechanism in the driving groove 105, drive mechanism includes two craspedodrome gears 7 and

circular gear

5, 5 movable mounting of circular gear is in driving groove 105's axis department, the equal fixed mounting of one end of every craspedodrome gear 7 has fixed plate 401, two fixed plates 401 are central symmetry, two grip blocks 2 are fixed mounting respectively on two fixed plates 401, and driving groove 105 internal symmetry is provided with return spring 6, return spring 6's one end fixed mounting is on the outer wall of grip block 2 one side, other end fixed mounting is on driving groove 105's lateral wall, test main part 4 sets up on removal frame 3.

The utility model discloses among the further technical scheme that provides, the lower surface symmetry that removes frame 3 installs draw runner 302, and first spout 103 has been seted up to the upper surface symmetry of bottom plate 1, and draw runner 302 sliding connection has locking screw 301 in first spout 103, and the upper surface threaded connection that removes frame 3 has locking screw 301, and locking groove 102 corresponding with locking screw 301 has been seted up to the upper surface of bottom plate 1, and locking screw 301's one end is located locking groove 102.

Further, pulley grooves 1051 have been seted up to the symmetry in the drive groove 105, and the bottom movable mounting of grip block 2 has gyro wheel 201, and gyro wheel 201 is located pulley grooves 1051, and the setting of gyro wheel 201 and pulley grooves 1051 mainly reduces the frictional force of grip block 2 when removing, the operation of being convenient for.

Furthermore, all be equipped with cotton pad 104 on bottom plate 1, removal frame 3 and the grip block 2, the setting of cotton pad 104 mainly is just the travelling comfort that improves the tester.

Furthermore, the utility model discloses in, the lower surface of bottom plate 1 is equipped with barb 101, and barb 101 set up the frictional force that mainly is just to increase device and ground, improves the stability of device when using.

The utility model discloses among the further technical scheme that provides, seted up two second spouts 1052 in the drive groove 105, two craspedodrome gear 7 difference sliding connection are in second spout 1052, and the setting of second spout 1052 mainly prevents craspedodrome gear 7 slope when removing, guarantees the normal use of device.

When the utility model is used, the device is firstly placed in a corresponding place, then the locking screw 301 is unscrewed, the slide bar 302 is connected in the first sliding groove 103 in a sliding way, then the locking screw 301 is screwed down, the movable frame 3 is fixed, then the device can be used, when in use, the handle on one clamping block 2 is firstly pulled outwards, then the clamping block 2 is driven to move outwards, so as to drive the fixing plate 401 connected on the clamping block 2 to move, so as to drive the corresponding straight gear 7 to move, because the circular gear 5 is respectively meshed with the two straight gears 7, so as to drive the other straight gear 7 to move in the opposite direction, and simultaneously the two clamping blocks 2 are opened, then a tester sits on the cotton pad 104 arranged on the bottom plate 1, two feet are contacted with the cotton pad 104 arranged on the movable frame 3, two legs are positioned between the two clamping blocks 2, and then one of the clamping blocks 2 is loosened, the two clamping blocks 2 move towards the middle of the bottom plate 1 under the action of the elastic force of the return spring 6 to clamp the two legs of a tester, the clamping positions are approximately positioned at the knees of the tester, and then the test can be carried out by using the test main body 4, so that the knees of the two legs can be prevented from being lifted upwards in the test process, the test accuracy of the tester is improved, and the using effect of the device is improved; in order to further avoid that the knees of the two legs of the tester are lifted upwards in the test, in the specific measurement, the tester is grouped according to the difference of the height, then the position of the movable frame 3 away from the clamping blocks 2 is correspondingly adjusted in the groups with different heights, so that the knees of the two legs of the tester are positioned between the two clamping blocks 2, the measurement accuracy of the device can be further improved, when the position of the movable frame 3 is adjusted, only the locking screw 301 needs to be unscrewed, then the adjustment can be carried out, after the adjustment is finished, the locking screw 301 is screwed again, and the locking screw 301 is tightly positioned in the locking groove 102.

It will be appreciated by those skilled in the art that other similar connections may be used to implement the present invention. Such as welding, bonding, or screwing.

The elastic coefficient of the return spring 6 in the utility model meets the corresponding technical requirements in the specific implementation process.

The above embodiments are merely exemplary embodiments of the present invention, which is not intended to limit the present invention, and the scope of the present invention is defined by the appended claims. Various modifications and equivalents may be made by those skilled in the art to the present invention without departing from the spirit and scope of the invention, and such modifications and equivalents should be considered to be within the scope of the invention.

Claims

1. The utility model provides a sports is with body anteflexion tester of self-interacting seat, includes bottom plate (1), removes frame (3) and test main part (4), its characterized in that: the upper surface of the bottom plate (1) is provided with a transmission groove (105), two clamping blocks (2) for clamping the legs of a tester are arranged in the transmission groove (105) in a sliding manner, a transmission mechanism is arranged in the transmission groove (105), the transmission mechanism comprises two straight gears (7) and a circular gear (5), the circular gear (5) is movably arranged at the middle shaft of the transmission groove (105), one end of each straight gear (7) is fixedly provided with a fixing plate (401), the two fixing plates (401) are centrosymmetric, the two clamping blocks (2) are respectively and fixedly arranged on the two fixing plates (401), and return springs (6) are symmetrically arranged in the transmission groove (105), one end of each return spring (6) is fixedly installed on the outer wall of one side of each clamping block (2), and the other end of each return spring is fixedly installed on the side wall of the transmission groove (105).

2. The physical fitness sport self-adjusting sitting body forward flexion tester as claimed in claim 1, wherein sliding strips (302) are symmetrically installed on the lower surface of the moving frame (3), first sliding grooves (103) are symmetrically formed in the upper surface of the base plate (1), the sliding strips (302) are slidably connected in the first sliding grooves (103), locking screws (301) are connected to the upper surface of the moving frame (3) in a threaded manner, locking grooves (102) corresponding to the locking screws (301) are formed in the upper surface of the base plate (1), and one ends of the locking screws (301) are located in the locking grooves (102).

3. A sports self-adjusting sitting body forward flexion tester, according to claim 1, characterized in that the test body (4) is arranged on the mobile frame (3).

4. The physical training is with a body anteflexion tester from adjusting sitting position of claim 1, characterized in that, the transmission groove (105) has pulley groove (1051) to the symmetry, the bottom of grip block (2) has movably mounted the gyro wheel (201), the gyro wheel (201) is located in the pulley groove (1051).

5. A physical training self-adjusting sitting body forward flexion tester according to claim 1, characterized in that the bottom plate (1), the moving frame (3) and the clamping block (2) are provided with cotton pads (104).

6. A self-adjusting sitting body forward flexion tester for sports according to claim 1, characterised in that the lower surface of the base plate (1) is provided with barbs (101).

7. A physical training self-adjusting sitting body forward flexion tester as claimed in claim 1, wherein two second slide grooves (1052) are formed in the transmission groove (105), and the two straight gears (7) are respectively connected in the second slide grooves (1052) in a sliding manner.