CN111939518B

CN111939518B - Bench press frame

Info

Publication number: CN111939518B
Application number: CN201910402827.8A
Authority: CN
Inventors: 石刚
Original assignee: Shanghai Suozhao Health Technology Co ltd
Current assignee: Shanghai Suozhao Health Technology Co ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2023-04-07
Anticipated expiration: 2039-05-15
Also published as: CN111939518A

Abstract

The invention discloses a bench press frame which comprises a flat lying plate, wherein the bottom of the flat lying plate is fixedly connected with supporting legs, the tail end of the flat lying plate is provided with a leg exerciser, two sides of the flat lying plate are fixedly provided with side vertical plates, the center position of each side vertical plate is vertically provided with a main channel, two sides of the main channel are respectively provided with a first side channel and a second side channel, a lifting limiting device is arranged in the main channel, a safety monitoring device is arranged in the first side channel, and an emergency locking device is arranged in the second side channel. According to the invention, the barbell bar moves along the fixed path of the limiting slide rail during exercise by arranging the lifting limiting device, so that the stability in the exercise process is ensured, and meanwhile, the movement speed of the barbell bar can be monitored in real time by arranging the safety monitoring device and the emergency locking device, so that the barbell bar is effectively prevented from falling suddenly, and the safety of an exerciser is protected.

Description

Bench press frame

Technical Field

The invention relates to the field of fitness equipment, in particular to a bench press frame.

Background

One of the most frequently used instruments in the gymnasium is a flat-plate bench press, in the exercise process, pectoral muscles only control the motion of shoulder joints, the upper arms are pulled to the front of the chest from two sides, and the motion of elbow joints is completed by brachial triceps muscles, so that the arms are changed from bending to straightening state, and the aim of exercising the strength of the upper limbs is fulfilled.

When the existing lying frame is used, the barbell rod does not have a fixed movable track, and after an exerciser pushes for a long time, the condition that physical strength is not supported or muscle endurance reaches the limit can occur, so that the barbell rod cannot be supported, and the injury is caused to the exerciser.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the present invention provides a bench press for solving the problem of danger during the lifting process due to the fact that the barbell bar has no fixed movable track in the prior art.

In order to achieve the above and other related purposes, the invention provides a bench press frame, which comprises a flat lying plate, wherein the bottom of the flat lying plate is fixedly connected with supporting legs, the tail end of the flat lying plate is provided with a leg exerciser, two sides of the flat lying plate are fixedly provided with side vertical plates, the central position of each side vertical plate is vertically provided with a main channel, two sides of the main channel are respectively provided with a first side channel and a second side channel, a lifting limiting device is arranged in the main channel, a safety monitoring device is arranged in the first side channel, and an emergency locking device is arranged in the second side channel; be equipped with barbell bar and horizontal pole between two side riser, the both ends of barbell bar are connected with the stop device that lifts in the main entrance respectively, the tip horizontal ground spiro union of barbell bar is fixed with the connecting rod, the both ends of connecting rod respectively with safety monitoring device and emergency locking device are connected, be provided with safe coiler on the horizontal pole, the barbell bar pass through the belt with safe coiler is connected, the bottom of barbell bar still is provided with intelligent scanner.

Preferably, the flat service creeper includes stiff end, removal end and flexible end, interconnect is held through flexible end between stiff end and the removal end, side riser fixed connection is in the both sides of removing the end.

Preferably, the leg exerciser comprises a fixed wheel, a rocker and a movable wheel, the fixed wheel is fixedly mounted on a fixed seat at the tail end of the lying plate, one end of the rocker is hinged to the fixed wheel through a pin shaft, and the other end of the rocker is fixedly connected with the movable wheel.

Preferably, the outer sides of the fixed wheel and the movable wheel are coated with sponge protective layers.

Preferably, the lifting limiting device comprises a sliding seat, a sleeve and a limiting slide rail, the sliding seat is fixedly connected with the end part of the barbell rod, the sleeve is embedded in the two sides of the sliding seat, and the sleeve is sleeved on the outer side of the limiting slide rail.

Preferably, the bottom of the limiting slide rail is provided with a buffer spring.

Preferably, the safety monitoring device comprises a mounting base, a first guide rail, a speed detector, a sensing piece and a processor, wherein the first guide rail is mounted on the side wall of the first side channel, the sensing piece is mounted on the side wall of the first side channel at equal intervals, the mounting base is connected with one end of the connecting rod and is slidably mounted on the first guide rail, and the mounting base is provided with a speed sensor.

Preferably, the processor is installed at the outer side of the connecting rod, and the speed sensor is electrically connected with the processor.

Preferably, the emergency locking device comprises a sliding seat, a second guide rail, a locking block, an electromagnetic switch and a locking track, wherein the second guide rail and the locking track are respectively installed on two side walls of the second side channel, the sliding seat is connected with one end of the connecting rod and slidably installed on the second guide rail, a mounting groove is formed in the sliding seat, the locking block is arranged in the mounting groove, the tail end of the locking block is connected with the side wall of the mounting groove through a compression spring, and the electromagnetic switch is arranged in the mounting seat and is introduced into the mounting groove to enable the locking block to stretch out.

Preferably, the locking rail is provided with grooves corresponding to the locking blocks at equal intervals.

Preferably, the electromagnetic switch is electrically connected with the processor.

Compared with the prior art, the invention has the beneficial effects that:

(1) The fixed end, the movable end and the telescopic end are arranged and matched with the intelligent scanner, so that the lying plate can be automatically adjusted to be in a proper length according to exercisers with different heights;

(2) The barbell bar moves along the fixed path of the limiting slide rail during exercise by arranging the lifting limiting device, so that the stability during the exercise is ensured;

(3) By arranging the safety monitoring device and the emergency locking device, the safety monitoring device can monitor the movement speed of the barbell bar in real time, when an exerciser cannot support the barbell bar, the barbell bar descends rapidly, the monitoring speed threshold is exceeded, an electromagnetic switch in the emergency locking device acts, the locking block immediately extends out and is clamped and embedded in the groove on the locking track, the response is sensitive and rapid, and the barbell bar is effectively prevented from falling suddenly;

(4) The ability of mechanical locking has been realized through setting up safe coiler, and emergent locking device of cooperation provides dual protection, has effectively guaranteed exerciser's safety.

Drawings

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

Fig. 1 is a schematic structural view of a bench press provided by the present invention;

FIG. 2 is a schematic view of a lift stop device according to the present invention;

FIG. 3 is a schematic view of a safety monitoring device according to the present invention;

FIG. 4 is a schematic view of the emergency locking device of the present invention;

FIG. 5 is a side view of a bench press provided in the present invention;

fig. 6 is a schematic structural view of a safety retractor according to the present invention.

Wherein the reference numerals are specified as follows: the horizontal lying plate 1, the fixed end 101, the movable end 102, the telescopic end 103, the supporting leg 2, the leg exerciser 3, the fixed wheel 301, the rocker 302, the movable wheel 303, the fixed seat 304, the pin 305, the side standing plate 4, the main channel 401, the first side channel 402, the second side channel 403, the lifting limiting device 5, the sliding seat 501, the sleeve 502, the limiting sliding rail 503, the buffer spring 504, the safety monitoring device 6, the mounting seat 601, the first guide rail 602, the speed sensor 603, the sensing piece 604, the processor 605, the emergency locking device 7, the sliding seat 701, the second guide rail 702, the locking block 703, the electromagnetic switch 704, the locking rail 705, the mounting groove 706, the compression spring 707, the groove 708, the barbell bar 8, the connecting rod 9, the cross rod 10, the safety retractor 11, the belt 12 and the intelligent scanner 13.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be apparent to those skilled in the art from the disclosure herein.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used to limit the conditions and conditions of the present disclosure, so that the present disclosure is not technically significant, and any structural modifications, ratio changes or size adjustments should still fall within the scope of the present disclosure without affecting the efficacy and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are used for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms may be changed or adjusted without substantial change in the technical content.

As shown in fig. 1 and 5, the invention provides a bench press frame, which comprises a flat lying plate 1, wherein the bottom of the flat lying plate 1 is fixedly connected with a supporting leg 2, the tail end of the flat lying plate 1 is provided with a leg exerciser 3, two sides of the flat lying plate 1 are fixedly provided with side vertical plates 4, the central position of each side vertical plate 4 is vertically provided with a main channel 401, two sides of the main channel 401 are respectively provided with a first side channel 402 and a second side channel 403, a lifting limiting device 5 is arranged in the main channel 401, a safety monitoring device 6 is arranged in the first side channel 402, and an emergency locking device 7 is arranged in the second side channel 403; a barbell bar 8 and a cross bar 10 are arranged between the two side vertical plates 4, two ends of the barbell bar 8 are respectively connected with a lifting limiting device 5 in the main channel 401, the end part of the barbell bar 8 is horizontally screwed and fixed with a connecting rod 9, two ends of the connecting rod 9 are respectively connected with a safety monitoring device 6 and an emergency locking device 7, a safety coiling device 11 is arranged on the cross bar 10, the barbell bar 8 is connected with the safety coiling device 11 through a belt 12, and an intelligent scanner 13 is further arranged at the bottom of the barbell bar 8.

As shown in fig. 1 and 5, the lying plate 1 includes a fixed end 101, a movable end 102 and a telescopic end 103, the fixed end 101 and the movable end 102 are connected to each other through the telescopic end 103, and the side standing plates 4 are fixedly connected to both sides of the movable end 102. The lower part of the moving end 102 is in adaptive connection with a sliding rail arranged on one of the supporting legs 2 through a sliding seat, and the moving end 102 can drive the side vertical plate 4 to move along the sliding rail; install in the stiff end 101 with the control processor of 13 electric connection of intelligent scanner, the human image signal transmission to the control processor of intelligent scanner 13 with gathering, the control processor generates control signal transmission to flexible end 103 after analog-to-digital conversion, flexible end 103 automatically regulated stiff end 101 and remove the distance between the end 102, can realize according to the exerciser automatically regulated flat service creeper 1 to suitable length of different heights.

As shown in fig. 1, the leg exerciser 3 comprises a fixed wheel 301, a rocker 302 and a movable wheel 303, the fixed wheel 301 is fixedly mounted on a fixed seat 304 at the tail end of the lying plate 1, one end of the rocker 302 is hinged to the fixed wheel 301 through a pin 305, the other end of the rocker 302 is fixedly connected with the movable wheel 303, and the outer sides of the fixed wheel 301 and the movable wheel 303 are both coated with sponge protection layers. When lying down, the exerciser can hook the movable wheel 303 by feet to rotate around the pin 305 in a reciprocating manner, so that the legs of the exerciser can be trained.

As shown in fig. 2, the lift limiting device 5 includes a slide 501, a sleeve 502 and a limiting slide rail 503, the slide 501 is fixedly connected with the end of the barbell bar 8, the sleeve 502 is embedded inside two sides of the slide 501, the sleeve 502 is sleeved outside the limiting slide rail 503, the sleeve 502 and the limiting slide rail 503 are in a smooth contact state, the barbell bar 8 cannot swing left and right when the barbell bar 8 drives the slide 501 to move up and down along the limiting slide rail 503 without resistance, the stability is improved, wherein a buffer spring 504 is installed at the bottom of the limiting slide rail 503, and the impact force of the barbell bar 8 is effectively reduced.

As shown in fig. 3, the safety monitoring device 6 includes a mounting base 601, a first guide rail 602, a speed detector, a sensing piece 604 and a processor 605, the first guide rail 602 is mounted on a side wall of the first side channel 402, the sensing piece 604 is mounted on the side wall of the first side channel 402 at equal intervals, the mounting base 601 is connected with one end of the connecting rod 9 and is slidably mounted on the first guide rail 602, a speed sensor 603 is disposed on the mounting base 601, the processor 605 is mounted on the outer side of the connecting rod 9, and the speed sensor 603 is electrically connected with the processor 605. The sliding base 501 moves along the limiting slide rail 503, and simultaneously the mounting base 601 also performs synchronous sliding motion on the first guide rail 602, and simultaneously the speed sensor 603 passes through the sensing piece 604 and transmits a speed signal passing through the sensing piece 604 to the processor 605, thereby achieving the purpose of monitoring the motion state of the barbell bar 8 in real time.

As shown in fig. 4, the emergency locking device 7 includes a sliding seat 701, a second guide rail 702, a locking block 703, an electromagnetic switch 704 and a locking rail 705, the second guide rail 702 and the locking rail 705 are respectively installed on two side walls of the second side channel 403, the sliding seat 701 is connected with one end of the connecting rod 9 and is slidably installed on the second guide rail 702, a mounting groove 706 is formed in the sliding seat 701, the locking block 703 is arranged in the mounting groove 706, the tail end of the locking block 703 is connected with a side wall of the mounting groove 706 through a compression spring 707, the electromagnetic switch 704 is arranged in the mounting seat 601 and is introduced into the mounting groove 706 to prevent the locking block 703 from extending out, grooves 708 corresponding to the locking block 703 are formed in the locking rail 705 at equal intervals, and the electromagnetic switch 704 is electrically connected with the processor 605. When the barbell bar 8 normally moves, the electromagnetic switch 704 can limit the extension of the locking block 703 to avoid influencing normal exercise, when the speed signal received by the processor 605 exceeds a threshold value, the barbell bar 8 abnormally descends, it is very likely that an exerciser cannot support the barbell bar 8, the processor 605 transmits an action instruction to the electromagnetic switch 704 at the moment, the electromagnetic switch 704 responds to turn on, the locking block 703 immediately extends out of the mounting groove 706 and is clamped into the corresponding groove 708 on the locking track 705, emergency locking is realized, and the barbell bar 8 is prevented from injuring the exerciser.

As shown in fig. 6, the structure of the safety retractor 11 is similar to that of a car seat belt locking device, and includes a spindle 11-1, a ratchet 11-2, a torsion spring 11-3, a centrifugal rod 11-4, and a pawl 11-5, wherein a belt 12 is wound on the spindle 11-1, the ratchet 11-2 and the torsion spring 11-3 are respectively disposed at two ends of the spindle 11-1, when the belt 12 descends rapidly, the spindle 11-1 is driven to rotate at a high speed, the centrifugal force is increased suddenly, the centrifugal rod 11-4 extends outwards at this time, and the pawl 11-5 is pushed to be locked into a locking tooth of the ratchet 11-2, so that the ratchet 11-2 and the spindle 11-1 are locked, and a mechanical locking function is achieved.

The working principle is as follows: when the device is used, an exerciser lies on the flat lying plate 1, the intelligent scanner 13 collects image signals of the exerciser, then the distance between the fixed end 101 and the movable end 102 is automatically adjusted through the control processor, so that the length of the flat lying plate 1 is just suitable for the exerciser to lie down, the exerciser starts to exercise, and the exerciser can hook the movable wheel 303 with feet to do reciprocating sector rotation around the fixed wheel 301, and therefore legs can be trained; through setting up and lifting stop device 5, when the person taking exercise pushes up barbell bar 8, because barbell bar 8 and slide 501 rigid coupling, and slide 501 can only move along the fixed route of limiting slide 503, it is fixed to have guaranteed that the activity orbit of barbell bar 8 is fixed in the exercise process, stability is improved, in the exercise process, velocity sensor 603 among the safety monitoring device 6 can be through the response piece 604 of equidistant setting, and transmit the velocity signal when passing through each response piece 604 to processor 605, the mesh of real-time monitoring barbell bar 8 motion state has been realized, when the velocity signal that processor 605 received exceeds the threshold value, show that barbell bar 8 normally descends, it is unlikely that the person taking exercise can not support barbell bar 8, processor 605 transmits the action instruction to electromagnetic switch 704 at this moment, electromagnetic switch 704 responds to open, locking piece 703 stretches out from mounting groove 706 immediately, and the card is gone into corresponding recess 708 on the locking track 705, realize that urgent coiler locks, cooperate the mechanical locking function of safety coiler 11 simultaneously, provide dual protection, can effectively prevent person taking exercise from pounding barbell bar 8.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A horizontal pushing frame is characterized by comprising a horizontal lying plate, wherein the bottom of the horizontal lying plate is fixedly connected with supporting legs, the tail end of the horizontal lying plate is provided with a leg exerciser, two sides of the horizontal lying plate are fixedly provided with side vertical plates, the central position of each side vertical plate is vertically provided with a main channel, two sides of the main channel are respectively provided with a first side channel and a second side channel, a pushing and lifting limiting device is arranged in the main channel, a safety monitoring device is arranged in the first side channel, and an emergency locking device is arranged in the second side channel; a barbell bar and a cross bar are arranged between the two side vertical plates, two ends of the barbell bar are respectively connected with a lifting limiting device in the main channel, a connecting rod is horizontally screwed and fixed at the end part of the barbell bar, two ends of the connecting rod are respectively connected with the safety monitoring device and the emergency locking device, a safety retractor is arranged on the cross bar, the barbell bar is connected with the safety retractor through a belt, and an intelligent scanner is further arranged at the bottom of the barbell bar;

the lying plate comprises a fixed end, a movable end and a telescopic end, the fixed end and the movable end are mutually connected through the telescopic end, the side vertical plates are fixedly connected to two sides of the movable end, a control processor electrically connected with the intelligent scanner is installed in the fixed end, the intelligent scanner transmits collected human body image signals to the control processor, and the control processor generates control signals after analog-to-digital conversion and transmits the control signals to the telescopic end;

the safety monitoring device comprises a mounting seat, a first guide rail, a speed detector, sensing pieces and a processor, wherein the first guide rail is mounted on the side wall of the first side channel, the sensing pieces are mounted on the side wall of the first side channel at equal intervals, the mounting seat is connected with one end of the connecting rod and is slidably mounted on the first guide rail, a speed sensor is arranged on the mounting seat, the processor is mounted on the outer side of the connecting rod, and the speed sensor is electrically connected with the processor;

urgent locking device includes sliding seat, second guide rail, locking piece, electromagnetic switch and locking track, second guide rail and locking track install respectively in on the both sides wall of second side passageway, the sliding seat with the one end of connecting rod is connected and slidable mounting in on the second guide rail, set up the mounting groove in the sliding seat, the locking piece is located in the mounting groove and its end is connected through the lateral wall of compression spring with the mounting groove, electromagnetic switch locates in the mounting seat and lets in the locking piece and stretch out in the mounting groove, on the locking track equidistantly seted up with the corresponding recess of locking piece, electromagnetic switch with treater electric connection.

2. A bench press as defined in claim 1, wherein: the leg exerciser comprises a fixed wheel, a rocker and a movable wheel, the fixed wheel is fixedly mounted on a fixed seat at the tail end of the lying plate, one end of the rocker is hinged to the fixed wheel through a pin shaft, and the other end of the rocker is fixedly connected with the movable wheel.

3. A bench press as defined in claim 2, wherein: the outsides of the fixed wheel and the movable wheel are both coated with sponge protective layers.

4. A bench press as defined in claim 1, wherein: the lifting limiting device comprises a sliding seat, a sleeve and a limiting slide rail, the sliding seat is fixedly connected with the end part of the barbell rod, the sleeve is embedded in the two sides of the sliding seat, and the sleeve is sleeved on the outer side of the limiting slide rail.

5. A bench press as claimed in claim 4, wherein: and a buffer spring is arranged at the bottom of the limiting slide rail.