CN112107830B

CN112107830B - Physical training device

Info

Publication number: CN112107830B
Application number: CN202011006595.3A
Authority: CN
Inventors: 李月
Original assignee: Heilongjiang College of Construction
Current assignee: Heilongjiang College of Construction
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-06-22
Anticipated expiration: 2040-09-23
Also published as: CN112107830A

Abstract

The invention relates to the field of sports, in particular to a physical training device for physical training, which comprises a flat plate, a lug, a support column, a rectangular hole, a baffle plate, a seat, a baffle plate, a fixed shaft, a sliding column and a spring sleeve rod. The utility model discloses a seat, including four dull and stereotyped downside corners, be provided with the rectangular hole on the flat board, dull and stereotyped left side fixedly connected with baffle, the downside fixedly connected with fixed axle of seat, the fixed axle is inserted on the rectangular hole, two separation blades of fixedly connected with on the fixed axle, two separation blades laminate with dull and stereotyped upper and lower both sides respectively, dull and stereotyped downside right-hand member fixedly connected with lug, traveller sliding connection is on the rectangular hole, the traveller is located the right side of fixed axle, the right side fixedly connected with spring loop pole of traveller, the right-hand member sliding connection of spring loop pole is on the lug, compression spring I has been cup jointed on the spring loop pole, compression spring I is.

Description

Physical training device

Technical Field

The invention relates to the field of sports, in particular to a physical training device for sports.

Background

The utility model discloses physical training equipment with the patent number of CN201620926613.2, which discloses physical training equipment, comprising a physical training outer bag, a pair of handheld extension parts, a pair of outer bag connecting bands, a pair of handheld grabbing rings, a pair of connecting belt buckles, a pair of rear pull handles, an outer bag open slot, a plurality of sealing rope through holes, an outer bag sealing rope, a physical training inner bag, an inner bag sealing zipper and a zipper wrapping edge; handheld extension disjunctor can train the outsourcing, the outsourcing connecting band even physical training outsourcing and handheld ring of grabbing, the connecting band is detained and is established on the outsourcing connecting band, the rear portion handle that pulls, the outsourcing open slot is established on the physical training outsourcing, it establishes in outsourcing open slot both sides to seal the rope through-hole, the outsourcing seals the rope and alternates in the rope through-hole of sealing, the physical training outsourcing is arranged in to the physical training endocyst, the physical training endocyst seals the zip fastener through the endoc. The utility model discloses a can be used for physical training, be applicable to the training action and the mode of various differences, the safety in utilization is high, and weight can increase and decrease according to the in-service use demand. However, this patent does not exercise the legs and waist simultaneously.

Disclosure of Invention

The invention provides a physical training device, which has the beneficial effect that the invention can exercise the legs and the waist simultaneously.

The invention relates to the field of sports, in particular to a physical training device for physical training, which comprises a flat plate, a lug, a support column, a rectangular hole, a baffle plate, a seat, a baffle plate, a fixed shaft, a sliding column and a spring sleeve rod.

The utility model discloses a seat, including four dull and stereotyped downside corners, be provided with the rectangular hole on the flat board, dull and stereotyped left side fixedly connected with baffle, the downside fixedly connected with fixed axle of seat, the fixed axle is inserted on the rectangular hole, two separation blades of fixedly connected with on the fixed axle, two separation blades laminate with dull and stereotyped upper and lower both sides respectively, dull and stereotyped downside right-hand member fixedly connected with lug, traveller sliding connection is on the rectangular hole, the traveller is located the right side of fixed axle, the right side fixedly connected with spring loop pole of traveller, the right-hand member sliding connection of spring loop pole is on the lug, compression spring I has been cup jointed on the spring loop pole, compression spring I is.

Sports physical training device still includes hand screw, and threaded connection has hand screw the lower part of baffle through the screw thread, and the right-hand member top of hand screw is in the left side of fixed axle.

Sports physical training device still includes the indent groove, is provided with the indent groove on the seat.

Sports physical training device still includes the lead screw, trapezoidal slide rail, including a motor, an end cap, a controller, and a cover plate, the slot hole, the slotted pole, smooth cylinder and bar pole, the downside fixedly connected with bar pole of seat, the smooth cylinder of the equal fixedly connected with in both ends around the bar pole downside, dull and stereotyped right part is provided with fore-and-aft direction's trapezoidal slide rail, the right part sliding connection of slotted pole is on trapezoidal slide rail, fixedly connected with motor on the flat board, fixedly connected with lead screw on the output shaft of motor, the lead screw passes through the screw and cooperates mutually with the right part of slotted pole, the smooth cylinder sliding connection that is located the front.

Sports physical training device still includes side opening, running-board, backing pin and square column, and the upper portion of baffle is provided with the side opening, respectively is provided with one around the running-board, the equal fixedly connected with square column in left side of two running-boards, and two square columns are pegged graft respectively in the front and back two of side opening, two backing pins of equal fixedly connected with on every square column, and two backing pins on the same square column are located the left and right sides of baffle respectively.

Sports physical training device still includes and keeps off the ring, the plain film, the slider, vertical axis and isometric pole, the plain film of lower part fixedly connected with of traveller, the lower part of fixed axle is rotated and is connected on the plain film, two fender rings of lower part fixedly connected with of fixed axle, two fender rings are located the upper and lower both sides of plain film respectively, the articulated stock such as two that is connected with of downside of plain film, the equal vertical axis of fixedly connected with in the left end of two stocks such as, the equal fixedly connected with slider in upper end of two vertical axes, two sliders are sliding connection respectively at the left end of two square columns, the mode that compresses tightly through the screw between slider and the square column is fixed.

Sports physical training device still includes the bead, the inserted bar, annular arris, the drum, handheld cover, stand and slide, both ends all are provided with the bead around dull and stereotyped upside, respectively be provided with one around the slide, two slides sliding connection respectively are on two beads, all be provided with the stand on two slides, respectively be provided with one around the drum, the outer end of two drums articulates the upper portion at two stands respectively, the equal fixedly connected with annular arris in the inner of two drums, both ends sliding connection respectively is on two drums around the inserted bar, equal sliding connection has handheld cover on every drum, all cup jointed compression spring II on two drums, two compression spring II are located the outside of two annular arris respectively, two compression spring II are located the inboard of two handheld covers respectively, the slide is fixed on the flat board through the mode that the screw compressed tightly.

Sports physical training device still includes the lift post, the lever, the short hole, fixed cover, insert round bar and convex seat, two stands are vertical sliding connection respectively on two slides, the equal fixedly connected with convex seat in upper portion of two stands, equal fixedly connected with compression spring on two convex seats, two compression spring's lower extreme difference fixed connection is on two slides, the round bar is inserted that the equal fixedly connected with in left side upper portion of two stands transversely set up, the fixed cover of left side middle part fixedly connected with of baffle, the vertical sliding connection of lift post is on fixed sheatheeing in, it is fixed through the mode that the screw compressed tightly between lift post and the fixed cover, the articulated upper portion of connecting at the lift post in middle part of lever, both ends all are provided with the short hole around the lever, insert respectively on two short holes two left ends of inserting the round bar.

The physical training device has the beneficial effects that:

the invention relates to a physical training device, which can exercise legs and waist simultaneously. The people sits on the seat, and make people's both feet pedal on the baffle, make the seat remove right on the rectangular hole through the fixed axle when both feet straighten, and then the fixed axle drives traveller and spring loop bar and removes right, and then compresses compression spring I, make people's shank need overcome compression spring I's elasticity, temper people's shank, and the seat can use the axis of fixed axle to rotate as the axle when gliding, and then twist people's waist, temper shank and waist simultaneously.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic diagram of an overall structure of a physical training device according to the present invention;

FIG. 2 is a schematic view of the overall structure of a physical training device according to the present invention;

FIG. 3 is a first schematic structural view of a plate and a baffle;

FIG. 4 is a second schematic structural view of the plate and the baffle;

FIG. 5 is a schematic view of the seat construction;

FIG. 6 is a schematic structural view of a flat sheet;

FIG. 7 is a schematic view of the structure of the footrest;

fig. 8 is a schematic structural view of the insert rod.

In the figure: a plate 1; a rib 101; a lead screw 102; a trapezoidal slide rail 103; a tab 104; a pillar 105; a motor 106; a long hole 107; an elongate bore rod 108; a rectangular aperture 109; a baffle 2; the side hole 201; a lifting column 202; a lever 203; a short hole 204; a securing sleeve 205; a hand screw 206; a seat 3; an invagination groove 301; a baffle plate 302; a baffle ring 303; a fixed shaft 304; a sliding cylinder 305; a bar 306; a flat sheet 4; a spool 401; a spring pocket bar 402; a slider 403; a vertical axis 404; an equal length rod 405; a foot board 5; a catch pin 501; a square column 502; an insert rod 6; an annular ridge 601; a cylinder 602; a grip sheath 603; a round bar 604; a column 605; a slide carriage 606; a boss 607.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The first embodiment is as follows:

the present invention relates to the field of physical training, and more particularly to a physical training device for physical training, which comprises a plate 1, a protruding piece 104, a supporting column 105, a rectangular hole 109, a baffle 2, a seat 3, a baffle 302, a fixed shaft 304, a sliding column 401 and a spring loop bar 402, and can exercise the legs and waist simultaneously.

Equal fixedly connected with pillar 105 in four angle departments of dull and stereotyped 1's downside, be provided with rectangular hole 109 on dull and stereotyped 1, dull and stereotyped 1's left side fixedly connected with baffle 2, seat 3's downside fixedly connected with fixed axle 304, fixed axle 304 is inserted on rectangular hole 109, two separation blade 302 of fixedly connected with on the fixed axle 304, two separation blade 302 are laminated with dull and stereotyped 1's upper and lower both sides respectively, dull and stereotyped 1's downside right-hand member fixedly connected with lug 104, traveller 401 sliding connection is on rectangular hole 109, traveller 401 is located the right side of fixed axle 304, traveller's 401 right side fixedly connected with spring loop pole 402, the right-hand member sliding connection of spring loop pole 402 is on lug 104, the compression spring I has cup jointed on spring loop pole 402, compression spring I. Four pillars 105 have played the effect of supporting flat board 1, during the use, the people sits on seat 3, and make people's both feet pedal on baffle 2, make seat 3 move right on rectangular hole 109 through fixed axle 304 when both feet straighten, and then fixed axle 304 drives traveller 401 and spring loop pole 402 and moves right, and then compress compression spring I, make people's shank need overcome compression spring I's elasticity, take exercise people's shank, and seat 3 can use the axis of fixed axle 304 to rotate as the axle when gliding, and then twist people's waist, take exercise shank and waist simultaneously.

The second embodiment is as follows:

referring to fig. 1 to 8, the physical training apparatus further includes a hand screw 206, the lower portion of the baffle 2 is screwed with the hand screw 206, and the right end of the hand screw 206 abuts against the left side of the fixed shaft 304. When the hand screw 206 is screwed, the hand screw 206 can move left and right relative to the baffle 2, so that the limit positions of the fixed shaft 304 and the seat 3 when moving left are limited, and the chair is suitable for people with different leg lengths.

The third concrete implementation mode:

referring to fig. 1 to 8, the physical training apparatus further includes an invagination groove 301, and the seat 3 is provided with the invagination groove 301. When a person sits on the seat 3, the person sits on the inward concave groove 301, the person is placed to be separated from the seat 3, and the waist strength of the person can drive the seat 3 to rotate by taking the axis of the fixed shaft 304 as a shaft.

The fourth concrete implementation mode:

the following describes this embodiment with reference to fig. 1 to 8, the physical training device further includes a screw 102, a trapezoidal slide rail 103, a motor 106, a long hole 107, a long hole rod 108, a sliding cylinder 305, and a bar rod 306, the lower side of the seat 3 is fixedly connected with the bar rod 306, the front end and the rear end of the lower side of the bar rod 306 are fixedly connected with the sliding cylinder 305, the right portion of the tablet 1 is provided with the trapezoidal slide rail 103 in the front-rear direction, the right portion of the long hole rod 108 is slidably connected to the trapezoidal slide rail 103, the tablet 1 is fixedly connected with the motor 106, the output shaft of the motor 106 is fixedly connected with the screw 102, the screw 102 is matched with the right portion of the long hole rod 108 through a thread, and the sliding cylinder 305. When the seat 3 rotates by taking the axis of the fixed shaft 304 as a shaft, the bar-shaped rod 306 and the two sliding cylinders 305 are driven to rotate by taking the axis of the fixed shaft 304 as a shaft, so that the seat 3 deflects, and then the two legs of a person can pedal on the baffle 2 in a sitting posture deflection state, thereby further improving the training difficulty. When the motor 106 drives the screw rod 102 to rotate, the slotted hole rod 108 can be driven to slide back and forth on the trapezoidal slide rail 103, so that the slotted hole 107 is driven to move back and forth to adapt to the position change of the sliding cylinder 305 during rotation by taking the axis of the fixed shaft 304 as a shaft, and the seat 3 is limited to the deflected position.

The fifth concrete implementation mode:

the following describes the present embodiment with reference to fig. 1 to 8, the physical training device further includes a side hole 201, a pedal plate 5, a stop pin 501 and a square column 502, the side hole 201 is disposed on the upper portion of the baffle plate 2, one is disposed on the front and the back of the pedal plate 5, the square columns 502 are fixedly connected to the left sides of the two pedal plates 5, the two square columns 502 are respectively inserted into the front and the back of the side hole 201, two stop pins 501 are fixedly connected to each square column 502, and the two stop pins 501 on the same square column 502 are respectively located on the left and the right sides of the baffle plate 2. The feet of a person can be pedaled on the two foot pedals 5, the two square columns 502 can move back and forth on the side holes 201, and then the two foot pedals 5 are driven to move back and forth, so that the legs of the person can be separated or opened, and the legs of the person can be trained in another form.

The sixth specific implementation mode:

the following describes this embodiment with reference to fig. 1 to 8, the physical training device further includes a stop ring 303, a flat plate 4, a slider 403, a vertical shaft 404 and an equal length rod 405, the lower portion of the sliding column 401 is fixedly connected with the flat plate 4, the lower portion of the fixed shaft 304 is rotatably connected to the flat plate 4, the lower portion of the fixed shaft 304 is fixedly connected with two stop rings 303, the two stop rings 303 are respectively located at the upper and lower sides of the flat plate 4, the lower side of the flat plate 4 is hinged with two equal length rods 405, the left ends of the two equal length rods 405 are fixedly connected with the vertical shaft 404, the upper ends of the two vertical shafts 404 are fixedly connected with the slider 403, the two sliders 403 are respectively slidably connected to the left ends of the two square columns 502, and the slider 403 and the square columns 502 are fixed by means. Seat 3 and fixed axle 304 drive traveller 401 when moving backward and move right, and then drive plain film 4 and move right, when moving right plain film 4, drive two vertical axis 404 and two sliders 403 through two equal long poles 405 and be close to each other, and then drive two square columns 502 and two running-boards 5 and be close to each other, it keeps away from each other to drive two running-boards 5 when moving left to manage seat 3, make people's leg still can draw together each other when straightening, people's leg still can part each other in the bending, reach better physical training effect. Meanwhile, the two sliding blocks 403 can move left and right on the two square columns 502 respectively, so that the device is suitable for the situation that the positions of the plain films 4 are different when different people use the device.

The seventh embodiment:

the present embodiment is described below with reference to fig. 1-8, the physical training device further includes a rib 101, an insertion rod 6, an annular rib 601, a cylinder 602, a grip sheath 603, a column 605 and a sliding base 606, the rib 101 is disposed at both the front and rear ends of the upper side of the flat plate 1, one sliding base 606 is disposed at both the front and rear ends, the two sliding bases 606 are respectively slidably connected to the two rib 101, the column 605 is disposed on both the sliding bases 606, one sliding base is disposed at both the front and rear ends of the cylinder 602, the outer ends of the two cylinders 602 are respectively hinged to the upper portions of the two columns 605, the annular rib 601 is fixedly connected to the inner ends of the two cylinders 602, the front and rear ends of the insertion rod 6 are respectively slidably connected to the two cylinders 602, the grip sheath 603 is slidably connected to each cylinder 602, the two cylinders 602 are respectively sleeved with a compression spring II, the two compression springs II are respectively located at the outer sides, the slide 606 is fixed to the plate 1 by means of screw compression. The two sliding bases 606 can slide left and right on the protruding ribs 101, so that the left and right positions of the two upright posts 605, the inserting rod 6 and the two cylinders 602 are changed, the inserting rod 6 and the two cylinders 602 are adjusted to the positions above the arms of a person, so that the two hands of the person are respectively held on the two hand-holding sleeves 603, when the chair 3 is pedaled by the legs of the person, the two arms of the person can also move right, the two hand-holding sleeves 603 are respectively pulled by the two hands of the person at this time, the two hand-holding sleeves 603 respectively overcome the elasticity of the two compression springs II to be close to each other, and then the two arms of the person.

The specific implementation mode is eight:

referring to the embodiment described below with reference to fig. 1 to 8, the physical training device further comprises a lifting column 202, a lever 203, a short hole 204, fixed cover 205, insert round pole 604 and boss 607, two stand 605 vertical sliding connection respectively are on two slides 606, the equal fixedly connected with boss 607 in upper portion of two stand 605, equal fixedly connected with compression spring on two boss 607, two compression spring's lower extreme fixed connection respectively is on two slides 606, the round pole 604 of inserting of the horizontal setting of the equal fixedly connected with in left side upper portion of two stand 605, the fixed cover 205 of left side middle part fixedly connected with of baffle 2, the vertical sliding connection of lift post 202 is on fixed cover 205, it is fixed through the mode that the screw compressed tightly between lift post 202 and the fixed cover 205, the articulated upper portion of connecting at lift post 202 in middle part of lever 203, both ends all are provided with short hole 204 around lever 203, the left end of two round poles 604 of inserting is inserted respectively on two short hole 204. The lifting column 202 can vertically slide on the fixing sleeve 205, so as to drive the lever 203 to lift or lower, further drive the two round inserting rods 604 and the two upright columns 605 to lift or lower, further drive the inserting rod 6 and the two cylinders 602 to lift or lower, and adapt to people of different body types; meanwhile, when a person holds the two hand holding sleeves 603, the person can manually press one of the hand holding sleeves 603 to move downwards, then one of the circle inserting rods 604 is driven to move downwards, further the lever 203 is driven to rotate, at this time, the other circle inserting rod 604 is driven to move in the opposite direction at equal intervals, at this time, the other hand holding sleeve 603 and the arms are driven to move upwards, the up-and-down movement of the two arms is continuously switched, so that the two hands of the person alternately overcome the elasticity of the two stretching springs, and the two arms of the person are subjected to alternate motion training.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides a sports physical training device, includes flat board (1), lug (104), pillar (105), rectangular hole (109), baffle (2), seat (3), separation blade (302), fixed axle (304), traveller (401) and spring loop pole (402), its characterized in that: the four corners of the lower side of the flat plate (1) are fixedly connected with supporting columns (105), a rectangular hole (109) is formed in the flat plate (1), a baffle (2) is fixedly connected to the left side of the flat plate (1), a fixing shaft (304) is fixedly connected to the lower side of the seat (3), the fixing shaft (304) is inserted into the rectangular hole (109), two baffle plates (302) are fixedly connected to the fixing shaft (304), the two baffle plates (302) are attached to the upper side and the lower side of the flat plate (1) respectively, a lug (104) is fixedly connected to the right end of the lower side of the flat plate (1), a sliding column (401) is connected to the rectangular hole (109) in a sliding mode, the sliding column (401) is located on the right side of the fixing shaft (304), a spring sleeve rod (402) is fixedly connected to the right side of the sliding column (401), the right end of the spring sleeve rod (402) is connected to the lug (104) in a sliding mode, a compression;

the physical training device also comprises a hand screw (206), the lower part of the baffle (2) is connected with the hand screw (206) through threads, and the right end of the hand screw (206) is propped against the left side of the fixed shaft (304);

the physical training device also comprises an invagination groove (301), and the seat (3) is provided with the invagination groove (301);

the physical training device for physical training comprises a lead screw (102), a trapezoidal slide rail (103), a motor (106), a long hole (107), a long hole rod (108), a sliding cylinder (305) and a bar rod (306), the bar rod (306) is fixedly connected to the lower side of the seat (3), the sliding cylinder (305) is fixedly connected to the front end and the rear end of the lower side of the bar rod (306), the trapezoidal slide rail (103) in the front-rear direction is arranged at the right part of the flat plate (1), the right part of the long hole rod (108) is slidably connected to the trapezoidal slide rail (103), the motor (106) is fixedly connected to the flat plate (1), the lead screw (102) is fixedly connected to an output shaft of the motor (106), the lead screw (102) is matched with the right part of the long hole rod (108) through threads, and the sliding cylinder (305) positioned on;

the physical training device further comprises side holes (201), pedals (5), stop pins (501) and square columns (502), the side holes (201) are formed in the upper portion of the baffle (2), the front portion and the rear portion of each pedal (5) are respectively provided with one pedal, the left sides of the two pedals (5) are respectively and fixedly connected with the square columns (502), the two square columns (502) are respectively inserted into the front portion and the rear portion of the side holes (201), each square column (502) is respectively and fixedly connected with the two stop pins (501), and the two stop pins (501) on the same square column (502) are respectively located on the left side and the right side of the baffle (2);

the physical training device comprises a blocking ring (303), a flat sheet (4), sliding blocks (403), vertical shafts (404) and equal-length rods (405), wherein the flat sheet (4) is fixedly connected to the lower portion of a sliding column (401), the lower portion of a fixed shaft (304) is rotatably connected to the flat sheet (4), two blocking rings (303) are fixedly connected to the lower portion of the fixed shaft (304), the two blocking rings (303) are respectively located on the upper side and the lower side of the flat sheet (4), two equal-length rods (405) are hinged to the lower side of the flat sheet (4), the vertical shafts (404) are fixedly connected to the left ends of the two equal-length rods (405), the sliding blocks (403) are fixedly connected to the upper ends of the two vertical shafts (404), the sliding blocks (403) are respectively slidably connected to the left ends of the two square columns (502), and the sliding blocks (403) and the square columns (502) are fixed in a screw;

the physical training device also comprises a convex rib (101), an inserted bar (6), annular ribs (601), cylinders (602), a hand-held sleeve (603), columns (605) and sliding seats (606), wherein the convex rib (101) is arranged at the front end and the rear end of the upper side of the flat plate (1), one sliding seat (606) is arranged at the front end and the rear end respectively, the two sliding seats (606) are respectively connected to the two convex ribs (101) in a sliding manner, the columns (605) are arranged on the two sliding seats (606), one cylinder (602) is arranged at the front end and the rear end respectively, the outer ends of the two cylinders (602) are respectively hinged to the upper parts of the two columns (605), the inner ends of the two cylinders (602) are respectively fixedly connected with the annular ribs (601), the front end and the rear end of the inserted bar (6) are respectively connected to the two cylinders (602) in a sliding manner, the hand-held sleeve (603, the two compression springs II are respectively positioned on the outer sides of the two annular ribs (601), the two compression springs II are respectively positioned on the inner sides of the two handholds (603), and the sliding seat (606) is fixed on the flat plate (1) in a screw pressing mode.

2. The physical fitness training device of claim 1, wherein: the physical training device further comprises a lifting column (202), a lever (203), a short hole (204), a fixing sleeve (205), a round inserting rod (604) and a convex seat (607), wherein the two columns (605) are respectively and vertically connected to two sliding seats (606) in a sliding manner, the convex seats (607) are respectively and fixedly connected to the upper parts of the two columns (605), compression springs are respectively and fixedly connected to the two convex seats (607), the lower ends of the two compression springs are respectively and fixedly connected to the two sliding seats (606), the round inserting rod (604) transversely arranged is respectively and fixedly connected to the upper parts of the left sides of the two columns (605), the fixing sleeve (205) is fixedly connected to the middle part of the left side of the baffle plate (2), the lifting column (202) is vertically connected to the fixing sleeve (205) in a sliding manner, the lifting column (202) and the fixing sleeve (205) are fixed in a screw pressing manner, and the middle part of the lever (203) is, short holes (204) are formed in the front end and the rear end of the lever (203), and the left ends of the two round inserting rods (604) are inserted into the two short holes (204) respectively.