CN214050421U

CN214050421U - Portable seat body anteflexion tester

Info

Publication number: CN214050421U
Application number: CN202023326948.6U
Authority: CN
Inventors: 赵明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-27
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a portable seat body anteflexion tester, including first extension board and slide bar, the top fixedly connected with extension spring of first extension board side, extension spring keep away from the one end fixedly connected with second extension board of first extension board. This portable seat body anteflexion tester, through screw thread chucking pole, the turning block, the draw-in groove, the fixed plate, the rotor plate, the picture peg, folding slide bar, the setting of screw hole and chucking bolt, screw thread chucking pole can with fixture block and turning block chucking and loosen, can be convenient for fix first support and pack up, screw hole threaded connection on chucking bolt and the fixed plate, the picture peg is pegged graft in the draw-in groove, enable folding slide bar and slide bar zonulae occludens, the slider of being convenient for slides, take off the chucking bolt, folding slide bar just can outwards stimulate, under the effect of rotor plate, can the person of being convenient for to use fold folding slide bar and slide bar, thereby the person of being convenient for use deposits and carries the device, use when more being favorable to the test.

Description

Portable seat body anteflexion tester

Technical Field

The utility model relates to a seat body anteflexion testing arrangement technical field specifically is a portable seat body anteflexion tester.

Background

The forward bending of the sitting position is one of the sports examination items in the beginning and middle school, and is mainly used for testing the possible activity range of joints such as trunk, waist, hip and the like in a static state and mainly reflecting the extensibility and the body flexibility of the joints, ligaments and muscles of the parts.

The existing sitting body forward-bending tester is mostly of a fixed structure, and the tester is taken out when in use, but the tester of the fixed structure cannot be folded, so that the tester is not only inconvenient to carry and use by users, but also inconvenient to store, and the existing tester can only be placed on the ground for use, cannot be clamped on a platform or other structures, and is inconvenient for teaching personnel to use in a classroom.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the not enough of prior art, the utility model provides a portable seat body tester that bends forward has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a portable seat body anteflexion tester comprises a first support plate and a sliding rod, wherein an extension spring is fixedly connected to the top of the side surface of the first support plate, one end of the extension spring, which is far away from the first support plate, is fixedly connected with a second support plate, the upper surface of the first support plate is fixedly connected with a clamping block, the side surface of the clamping block is in threaded connection with a threaded clamping rod, the middle part of the clamping block is clamped with a rotating block through the threaded clamping rod, the top end of the rotating block is fixedly connected with the sliding rod, the outer part of the sliding rod is in sliding connection with a sliding block, the upper surface of the sliding block is fixedly connected with a push plate, a clamping groove is formed in the sliding rod, a fixed plate is clamped in the clamping groove, one end of the fixed plate is hinged with a rotating plate, one end of the rotating plate, which is far away from the fixed plate, is fixedly connected, the upper surface of the fixed plate is provided with a threaded hole, and the upper surface of the sliding rod is in threaded connection with a clamping bolt.

Optionally, the number of the extension springs is three, and the three extension springs are equally and uniformly distributed on the top of the side surface of the first support plate.

Optionally, the threaded clamping rod penetrates through one end of the clamping block and is in threaded connection with the rotating block, and the sliding rod is far away from one end of the folding sliding rod and is fixedly connected with the limiting plate.

Optionally, the upper surfaces of the sliding rod and the folding sliding rod are provided with scale marks, and the fixed plate, the rotating plate and the inserting plate are all inserted into the clamping grooves.

Optionally, one end of the clamping bolt penetrating through the upper surface of the sliding rod is arranged inside the clamping groove, and one end of the clamping bolt inserted into the clamping groove is in threaded connection with the threaded hole.

Optionally, the both sides of fixed plate are spacing post of equal fixedly connected with, spacing post joint is in the inside wall of draw-in groove.

(III) advantageous effects

The utility model provides a portable seat body tester that bends in front possesses following beneficial effect:

1. this portable seat body anteflexion tester, through screw thread chucking pole, the turning block, the draw-in groove, the fixed plate, the rotor plate, the picture peg, folding slide bar, the setting of screw hole and chucking bolt, screw thread chucking pole can with fixture block and turning block chucking and loosen, can be convenient for fix first support and pack up, screw hole threaded connection on chucking bolt and the fixed plate, the picture peg is pegged graft in the draw-in groove, enable folding slide bar and slide bar zonulae occludens, the slider of being convenient for slides, take off the chucking bolt, folding slide bar just can outwards stimulate, under the effect of rotor plate, can the person of being convenient for to use fold folding slide bar and slide bar, thereby the person of being convenient for use deposits and carries the device, use when more being favorable to the test.

2. This portable seat body anteflexion tester, through the setting of first extension board, extension spring and second extension board, first extension board and second extension board enable the device place subaerial use, and stimulate the second extension board, can change first extension board and second under extension spring's effect on table leg or other structures of joint at the podium, increased the variety of the device mode of placement, more be favorable to the teaching personnel to use.

Drawings

Fig. 1 is a schematic view of a three-dimensional back structure of the present invention;

FIG. 2 is a schematic view of the split structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a first support plate; 2. a slide bar; 3. an extension spring; 4. a second support plate; 5. a clamping block; 6. a threaded clamping rod; 7. rotating the block; 8. a slider; 9. pushing the plate; 10. a card slot; 11. a fixing plate; 12. a rotating plate; 13. inserting plates; 14. folding the sliding rod; 15. a threaded hole; 16. and (4) clamping the bolt.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: a portable seat body forward bending tester comprises a first support plate 1 and a sliding rod 2, wherein the top of the side surface of the first support plate 1 is fixedly connected with an extension spring 3, and one end, far away from the first support plate 1, of the extension spring 3 is fixedly connected with a second support plate 4;

through the arrangement of the first support plate 1, the extension spring 3 and the second support plate 4, the first support plate 1 and the second support plate 4 can enable the device to be placed on the ground for use, and the first support plate 1 and the second support plate 4 can be clamped on table legs or other structures of a platform under the action of the extension spring 3 by pulling the second support plate 4, so that the diversity of placing modes of the device is increased, and the device is more beneficial to teaching personnel;

a clamping block 5 is fixedly connected to the upper surface of a first support plate 1, a threaded clamping rod 6 is in threaded connection with the side surface of the clamping block 5, a rotating block 7 is clamped in the middle of the clamping block 5 through the threaded clamping rod 6, a sliding rod 2 is fixedly connected to the top end of the rotating block 7, a sliding block 8 is slidably connected to the outer portion of the sliding rod 2, a push plate 9 is fixedly connected to the upper surface of the sliding block 8, a clamping groove 10 is formed in the sliding rod 2, a fixing plate 11 is clamped in the clamping groove 10, a rotating plate 12 is hinged to one end of the fixing plate 11, an inserting plate 13 is fixedly connected to one end, far away from the fixing plate 11, of the rotating plate 12, a folding sliding rod 14 is fixedly connected to one end, far away from the rotating plate 12, of the inserting plate 13, a threaded hole 15 is formed in the upper surface of the fixing plate 11, and a clamping bolt 16 is in threaded connection with the upper surface of the sliding rod 2;

through the arrangement of the threaded clamping rod 6, the rotating block 7, the clamping groove 10, the fixed plate 11, the rotating plate 12, the inserting plate 13, the folding sliding rod 14, the threaded hole 15 and the clamping bolt 16, the threaded clamping rod 6 can clamp and loosen the clamping block 5 and the rotating block 7, the first supporting plate 1 can be conveniently fixed and folded, the clamping bolt 16 is in threaded connection with the threaded hole 15 on the fixed plate 11, the inserting plate 13 is inserted into the clamping groove 10, the folding sliding rod 14 can be tightly connected with the sliding rod 2, the sliding block 8 can conveniently slide, the clamping bolt 16 can be taken down, the folding sliding rod 14 can be conveniently pulled outwards, and under the action of the rotating plate 12, a user can conveniently fold the folding sliding rod 14 and the sliding rod 2, so that the user can conveniently store and carry the device, and the device is more favorable for use during testing;

the quantity of extension spring 3 is three, and 3 equidistance evenly distributed of three extension spring is at the top of 1 side of first extension board, threaded clamping rod 6 runs through fixture block 5's one end and 7 threaded connection of turning block, the one end fixedly connected with limiting plate of folding slide bar 14 is kept away from to slide bar 2, slide bar 2 and folding slide bar 14's upper surface all is provided with the scale mark, fixed plate 11, turning plate 12 and picture peg 13 are all pegged graft in draw-in groove 10, chucking bolt 16 runs through the one end setting of 2 upper surfaces of slide bar in the inside of draw-in groove 10, chucking bolt 16 pegs graft at the inside one end of draw-in

groove

10 and 15 threaded connection of screw hole, the equal fixedly connected with spacing post in both sides of fixed plate 11, spacing post joint is at the inside wall of draw-in groove 10, limiting displacement has been played to fixed plate 11, prevent that fixed plate 11 from deviating from draw-in groove 10.

The utility model discloses in, the device's working procedure as follows:

1. the clamping block 5 and the rotating block 7 can be clamped and loosened by the threaded clamping rod 6, the first support plate 1 can be conveniently fixed and retracted, and when the device needs to be used, the device can be placed on the ground for use by the first support plate 1 and the second support plate 4;

2. the second support plate 4 is pulled, the first support plate 1 and the second conversion plate 4 can be clamped on the table legs or other structures of the platform under the action of the extension spring 3, the diversity of the placement mode of the device is increased, and the device is more beneficial to teaching personnel;

3. the clamping bolt 16 is in threaded connection with a threaded hole 15 on the fixing plate 11, and the inserting plate 13 is inserted into the clamping groove 10, so that the folding sliding rod 14 is tightly connected with the sliding rod 2, and a tester can push the push plate 9 and the sliding block 8 to slide on the folding sliding rod 14 of the sliding rod 2;

4. the clamping bolt 16 is taken down, the folding sliding rod 14 can be pulled outwards, and under the action of the rotating plate 12, a user can fold the folding sliding rod 14 and the sliding rod 2 conveniently, so that the user can store and carry the device conveniently, and the device is more favorable for use in testing.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a portable seat body anteflexion tester, includes first extension board (1) and slide bar (2), its characterized in that: the top of the side surface of the first support plate (1) is fixedly connected with an extension spring (3), one end, far away from the first support plate (1), of the extension spring (3) is fixedly connected with a second support plate (4), the upper surface of the first support plate (1) is fixedly connected with a clamping block (5), the side surface of the clamping block (5) is in threaded connection with a threaded clamping rod (6), the middle part of the clamping block (5) is clamped with a rotating block (7) through the threaded clamping rod (6), the top end of the rotating block (7) is fixedly connected with a sliding rod (2), the outer part of the sliding rod (2) is in sliding connection with a sliding block (8), the upper surface of the sliding block (8) is fixedly connected with a push plate (9), a clamping groove (10) is formed in the sliding rod (2), a fixing plate (11) is clamped in the clamping groove (10), and a rotating plate (12) is hinged to one end of the fixing plate (11), keep away from rotor plate (12) the one end fixedly connected with picture peg (13) of fixed plate (11), picture peg (13) are kept away from the folding slide bar (14) of one end fixedly connected with of rotor plate (12), threaded hole (15) are seted up to the upper surface of fixed plate (11), the upper surface threaded connection of slide bar (2) has chucking bolt (16).

2. The portable sitting body forward flexion tester according to claim 1, characterized in that: the number of the extension springs (3) is three, and the extension springs (3) are evenly distributed at the tops of the side surfaces of the first support plate (1) at equal intervals.

3. The portable sitting body forward flexion tester according to claim 1, characterized in that: the threaded clamping rod (6) penetrates through one end of the clamping block (5) and the rotating block (7) in threaded connection, and the sliding rod (2) is far away from one end of the folding sliding rod (14) and is fixedly connected with a limiting plate.

4. The portable sitting body forward flexion tester according to claim 1, characterized in that: the upper surfaces of the sliding rod (2) and the folding sliding rod (14) are provided with scale marks, and the fixed plate (11), the rotating plate (12) and the inserting plate (13) are all inserted into the clamping groove (10).

5. The portable sitting body forward flexion tester according to claim 1, characterized in that: one end, penetrating through the upper surface of the sliding rod (2), of the clamping bolt (16) is arranged inside the clamping groove (10), and one end, inserted into the clamping groove (10), of the clamping bolt (16) is in threaded connection with the threaded hole (15).

6. The portable sitting body forward flexion tester according to claim 1, characterized in that: the equal fixedly connected with spacing post in both sides of fixed plate (11), spacing post joint is in the inside wall of draw-in groove (10).