CN214485491U

CN214485491U - Firm pedal chest expander of building abdomen of structure

Info

Publication number: CN214485491U
Application number: CN202120274408.3U
Authority: CN
Inventors: 张溢林
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-10-26
Anticipated expiration: 2031-02-01

Abstract

The utility model relates to a body-building apparatus field especially indicates a firm pedal chest expander of structure, and this pedal chest expander is good for to the abdomen through all connecting through the C template between the connecting pipe of pedal subassembly and the pulling force area of pulling force band subassembly and between the pulling force area of connecting pipe and pulling force band subassembly through pull rod assembly, and this structure of connecting through the C template is compared in traditional structure that directly adopts the strap to connect more firm, can avoid the cracked condition of connection of strap and connecting pipe. And the connection of pulling force area and connecting pipe does, and the spheroid card of pulling force area tip internal fixation is in the spacing hole of C template, spacing hole is the through-hole of closed loop, consequently can avoid the pulling force area to break away from the condition outside the connecting pipe, the effectual security that guarantees the body-building. In addition, the two ends of the limiting belt of the pedal assembly are connected through the connecting plate and the connecting pipe, the connecting structure is favorable for increasing the structural firmness of connection between the limiting belt and the connecting pipe, and the safety during body building can be further improved.

Description

Firm pedal chest expander of building abdomen of structure

Technical Field

The utility model relates to the field of fitness equipment, in particular to a firm pedal abdomen building chest expander.

Background

Most of the traditional equipment for abdomen bodybuilding sports are metal instruments, have complex structures and large volumes, are only suitable for being used in a gymnasium and are not suitable for being used at home with small housing area. In view of this, relevant technical personnel have researched and developed the abdomen-strengthening chest expander that adopts stretch cord to connect pedal plate and hand-held tube, and this kind of abdomen-strengthening chest expander's is small, is convenient for accomodate, very is fit for using at home or carrying the use outdoors.

In the structure of the prior abdomen-building chest expander, the connection between the elastic rope and the pedal plate and the connection between the hand-held tube and the elastic rope are both structures connected by cloth belts, specifically, a through hole is arranged on the cloth belts, and the elastic rope is sleeved on the pedal plate and the hand-held tube through the through hole to realize the connection. In the connecting structure, the elastic rope needs to be frequently pulled in the body building process, and meanwhile, the cloth belt is directly pulled, so that the cloth belt is very easy to break. Therefore, the existing abdomen-building chest developer connected by the elastic ropes is very unstable in structure.

Disclosure of Invention

The utility model provides a to the not enough that above-mentioned background art provided, the utility model provides a firm pedal chest expander of building abdomen of structure.

The utility model adopts the following technical scheme:

a pedal abdomen building chest expander with a stable structure is characterized by comprising a pedal assembly, a pull rod assembly and a pull rod assembly;

the pedal assembly and the pull rod assembly respectively comprise a connecting pipe and a C-shaped plate, the C-shaped plate comprises a connecting part and fixing parts arranged on two sides of the connecting part, the connecting part is provided with a plurality of limiting holes, the two fixing parts are provided with fixing holes, and the connecting pipe simultaneously penetrates through the fixing holes of the two fixing parts; in the pedal assembly, the connecting pipe is connected with limiting belts on two sides of the C-shaped plate, wherein the limiting belts and the connecting pipe are connected to form a closed-loop structure for feet to pass through; in the pull rod assembly, the connecting pipe is held by hands at both sides of the C-shaped plate;

the pulling force area subassembly is including pulling force area and spheroid, the pulling force area has elasticity, and the both ends of pulling force area are fixed with the spheroid, spheroidal diameter is greater than the diameter in the spacing hole of C template, the both ends in pulling force area pass respectively pedal subassembly with on the C template of pull rod subassembly fixed connection behind the spacing hole the spheroid.

As a further improvement, the pedal assembly further comprises a connecting plate, and a first connecting hole and a second connecting hole are respectively formed in two ends of the connecting plate; the two ends of the limiting belt are both provided with the connecting plates, and the end part of the limiting belt is fixed with the limiting belt in a seam mode after bypassing the second connecting hole; the connecting pipe simultaneously passes through the first connecting holes of the connecting plate at the two ends of the limiting belt.

As a further improvement, the pedal assembly further comprises a pedal pad, and the pedal pad is mounted on the connecting pipe in a penetrating manner, corresponds to the space between the two connecting plates of the limiting belt, and is limited by the two connecting plates.

As a further improvement, end covers are fixed at two ends of the connecting pipe, an embedding part and a blocking part are respectively arranged at two ends of each end cover, the embedding part is embedded and fixed through a pipe opening of the connecting pipe, and the diameter of the blocking part is larger than the outer diameter of the connecting pipe so as to limit the movement of the C-shaped plate on the connecting pipe.

As a further improvement, a layer of rubber belt is fixed on the outer surface of the limiting belt.

As a further improvement, the tension band assembly further comprises a binding sleeve and an outer decorative sleeve, the tension band is arranged in the outer decorative sleeve in a penetrating manner, the binding sleeve is sleeved at the position of the ball body of the tension band at two ends of the outer decorative sleeve, and the ball body is bound by the binding sleeve.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages: the utility model discloses a between pedal assembly's connecting pipe and the pulling force area of pulling force band subassembly all pass through between pulling force area of pulling force band subassembly's connecting pipe and the pulling force area of pulling force band subassembly the C template is connected, and this connection structure is compared in traditional structure that directly adopts the strap to connect more firm, can avoid the connection cracked condition of strap and connecting pipe. And the tension band and the connecting pipe adopt a structure that the ball body is clamped in the limiting hole, the limiting hole is a closed-loop through hole, so that the situation that the tension band is separated from the outside of the connecting pipe can be avoided, and the safety of body building is effectively guaranteed.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a structural schematic diagram of a C-shaped plate.

Fig. 3 is a schematic structural view of the connecting plate.

FIG. 4 is a schematic view of a footrest assembly.

Fig. 5 is an enlarged schematic view of a portion a of fig. 4.

FIG. 6 is an exploded view of the footrest assembly.

FIG. 7 is a cross-sectional structural schematic view of the footrest assembly.

Fig. 8 is an enlarged schematic view at B in fig. 7.

Fig. 9 is a cross-sectional structural view of the tension band assembly attached to a C-shaped plate.

Fig. 10 is a schematic structural view of the tie rod assembly.

Fig. 11 is an exploded view of the handle assembly.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in figure 1, the pedal abdomen building chest expander with a stable structure comprises a pedal assembly 1, a pull rod assembly 2 and a pull rod assembly 3.

As shown in fig. 6 and 11, the footrest assembly 1 and the lever assembly 2 each include a connecting tube 41 and a C-shaped plate 42. Referring to fig. 2 again, the C-shaped plate 42 is integrally formed and has a C-shaped structure, and includes a connecting portion 421 and fixing portions 422 disposed on two sides of the connecting portion 421. The connecting portion 421 is provided with a plurality of limiting holes 424 in parallel, and the limiting holes 242 are used for connecting the tension band assembly 3. The fixing parts 422 are provided with fixing holes 423, and the connecting pipe 41 simultaneously passes through the fixing holes 423 of the fixing parts 422, so that the C-shaped plate 42 is connected to the connecting pipe 41. Referring to fig. 4 again, in the footrest assembly 1, the connecting pipe 41 is connected to the limiting belts 11 on both sides of the C-shaped plate 42, wherein the limiting belts 11 and the connecting pipe 41 are connected to form a closed loop structure for the foot to pass through, so as to limit the movement of the foot relative to the connecting pipe 11; in the pull rod assembly 2, the connecting pipe 41 is sleeved with the hand-held sleeves 21 on the two sides of the C-shaped plate 42, and the hand-held sleeves 21 are positions to be held by hands during body building.

As shown in fig. 3 and 4, the footrest assembly 1 further includes a connecting plate 12, two ends of the connecting plate 12 are respectively provided with a first connecting hole 121 and a second connecting hole 122, and both the connecting plate 12 and the C-shaped plate 42 are preferably made of metal. Both ends of the spacing belt 11 are connected with the connecting pipe 41 through the connecting plate 12, the connection mode can refer to fig. 5 and 8, the end portion of the spacing belt 11 bypasses the second connecting hole 122 and then is fixed with the second connecting hole in a seam mode, so that the end portion of the spacing belt 11 is connected with the connecting plate 12, the connecting pipe 41 simultaneously penetrates through the first connecting holes 121 of the connecting plate 12 at both ends of the spacing belt 11, so that one end of the connecting plate 12 far away from the spacing belt 11 is connected with the connecting pipe 41, and both ends of the spacing belt 11 are connected to the connecting pipe 41 through the connecting plate 12. This structure that spacing area 11 passes through connecting plate 12 to be connected is favorable to increasing the structural stability who is connected between spacing area 11 and the connecting pipe 41, compares in the direct hole of establishing of 11 both ends in traditional rubber material spacing area and directly overlaps the connected mode on connecting pipe 41, can not drag because of long-term body-building and lead to the hookup location fracture of spacing area 11 and connecting pipe 41. In addition, a layer of rubber belt 14 is fixed on the outer surface of the limiting belt 11, and the rubber belt 14 can be used for protection.

As shown in fig. 9, the tension band assembly 3 includes a tension band 31, a ball 34, a collar 33 and an outer decorative sleeve 32. The tension band 31 has elasticity, and is preferably a latex elastic tube. The balls 34 are embedded into both ends of the tension band 31, the diameter of each ball 34 is larger than the pipe diameter of the tension band 31 and the diameter of the limiting hole 424 of the C-shaped plate 42, and the tension band 31 can wrap the balls 34 in the structure. Specifically, the assembly of the tension band assembly 3 and the connection to the C-shaped plate 42 are as follows:

s1: sleeving the outer decorative sleeve 32 outside the tension band 31, and enabling the end parts of the outer decorative sleeve 32 and the tension band 31 to penetrate through the limiting hole 424 of the C-shaped plate 42;

s2: the port of the tension band 31 can be expanded by using flaring equipment, specifically, the port of the tension band 31 is sleeved outside a plurality of flaring clamps of the flaring equipment, then the flaring clamps move outwards simultaneously to expand the port of the tension band 31, at this time, the ball 34 can be put in along the port of the tension band 31, then the flaring clamps of the flaring equipment reset, so that the port of the tension band 31 is restored, and the ball 34 is bound on the part of the tension band 31 passing through the limiting hole 424;

s3: the ball 34 is sleeved by the collar 33 which is sleeved outside the part of the outer decorative sleeve 32 which passes through the limiting hole 424, and then the collar 33 is heated, so that the collar 33 can simultaneously tighten the outer decorative sleeve 32, the pull belt 31 and the ball 34 in a heat shrinkage mode, and the fixation of the three is realized.

After the assembly in the above manner, the end of the tension band 31 is limited by the ball 34 and cannot pass through the limiting hole 424 of the C-shaped plate 42, so that the two ends of the tension band assembly 3 are respectively connected with the pedal assembly 1 and the pull rod assembly 2.

As shown in fig. 4 and 6, the pedal assembly 1 further includes a pedal pad 13, and the pedal pad 13 is mounted on the connecting pipe 41 in a penetrating manner, and is located between the two connecting plates corresponding to the limiting belts. Further, end covers 43 are fixed to both ends of the connecting pipe 41, an embedding portion 431 and a blocking portion 432 are respectively arranged at both ends of the end cover 43, and the embedding portion 431 is embedded into the pipe orifice of the connecting pipe 41 and fixed to the connecting pipe 41 in an interference fit manner. The diameter of the blocking portion 432 is greater than the outer diameter of the connecting pipe 41, and as shown in fig. 7, the C-shaped plate 42, the connecting plate 12 and the pedal pad 13 are all sleeved on the connecting pipe 41, the total length of the C-shaped plate 42, the connecting plate 12 and the pedal pad 13 is close to the length of the connecting pipe 41, therefore, after the end covers 43 are fixed at the two ends of the connecting pipe 41, the C-shaped plate 42, the connecting plate 12 and the pedal pad 13 can be prevented from moving along the length direction of the connecting pipe 41 by the limiting blocking of the blocking portion 432 of the end cover 43, and therefore the C-shaped plate 42, the connecting plate 12 and the pedal pad 13 of the pedal assembly 1 are all connected to the connecting pipe 41.

Similarly, in the tie rod assembly 2, referring to fig. 10 and 11, after the C-shaped plate 42 and the hand sleeve 21 are sleeved on the connecting pipe 41, the sum of the lengths of the C-shaped plate 42 and the hand sleeve is close to the length of the connecting pipe 41. Therefore, after the end caps 43 are fixed at both ends of the connecting pipe 41, the C-shaped plate 42 and the hand sleeve 21 can be prevented from moving along the length direction of the connecting pipe 41 by the limit stop of the stop part 432 of the end caps 43, so that the C-shaped plate 42 and the hand sleeve 21 of the pull rod assembly 2 are both connected and limited to the connecting pipe 41.

During body building, the exerciser can firstly pass two feet respectively with two of pedal subassembly 1 spacing area 11 is stepped on pedal pad 13, later both hands hold respectively two of pull rod subassembly 2 on hand cover 21, the rethread both hands pull open the distance between pull rod subassembly 2 and pedal subassembly 1, and the tensile band 31 of tensile band subassembly 3 is stretched simultaneously in order to overcome the elastic resistance of tensile band 31, and this is the action of taking exercise of strengthening the abdomen promptly. In this exercise process, because all pass through between pedal assembly 1's connecting pipe 41 and the tension band 31 and between draw bar assembly 2's connecting pipe 41 and tension band 31C template 42 connects, this connection structure is compared in traditional structure that directly adopts the strap to connect more firm, can avoid the fracture condition of connection of strap and connecting pipe 41 to tension band 31 and connecting pipe 41 adopt spheroid 34 card is in spacing hole 424's structure, spacing hole 424 is the through-hole of closed loop, consequently can avoid tension band 31 to break away from the condition outside C template 42, the effectual security of guaranteeing the body-building.

In addition, as shown in fig. 4 and 10, a protective sleeve 44 is further sleeved on the connecting pipe 41 at a position corresponding to the position between the two fixing parts 422 of the C-shaped plate 42, and a protective sleeve 45 is sleeved on the C-shaped plate 42 on the two fixing parts 422, so that the protective sleeve (44, 45) has a protective structure, and hands and feet are prevented from directly contacting the hard connecting pipe 41 and the C-shaped plate 42 during exercise, thereby avoiding the occurrence of injury.

To sum up, the utility model discloses a between pedal assembly 1's connecting pipe 41 and the tension band 31 of tension band subassembly 3 all pass through between connecting pipe 41 of pull rod assembly 2 and the tension band 31 of tension band subassembly 3 the C template 42 is connected, and this connection structure is compared in the structure that traditional direct adoption strap is connected more firm. The tension belt 31 and the connecting pipe 41 adopt a structure that the ball 34 is clamped in the limiting hole 424, the limiting hole 424 is a closed-loop through hole, the situation that the tension belt 31 is separated from the outside of the connecting pipe 41 can be avoided, and the safety of body building is effectively guaranteed. In addition, the structure that the limiting belt 11 is connected with the connecting pipe 41 through the connecting plate 12 is beneficial to increasing the structural stability of the connection between the limiting belt 11 and the connecting pipe 41, and the firmness of the whole structure can be further improved.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims

1. A pedal abdomen building chest expander with a stable structure is characterized by comprising a pedal assembly, a pull rod assembly and a pull rod assembly;

2. A structurally sound foot-operated abdominal expander as set forth in claim 1, wherein: the pedal assembly further comprises a connecting plate, and a first connecting hole and a second connecting hole are respectively formed in two ends of the connecting plate; the two ends of the limiting belt are both provided with the connecting plates, and the end part of the limiting belt is fixed with the limiting belt in a seam mode after bypassing the second connecting hole; the connecting pipe simultaneously passes through the first connecting holes of the connecting plate at the two ends of the limiting belt.

3. A structurally sound foot-operated abdominal expander as set forth in claim 2, wherein: the pedal assembly further comprises a pedal pad, the pedal pad is arranged on the connecting pipe in a penetrating mode, corresponds to the position between the two connecting plates of the limiting belt and is limited by the two connecting plates.

4. A structurally sound foot-operated abdominal exerciser as claimed in any one of claims 1 to 3, wherein: the connecting pipe is characterized in that end covers are fixed at two ends of the connecting pipe, an embedding part and a blocking part are arranged at two ends of each end cover respectively, the embedding part is embedded and fixed through a pipe opening of the connecting pipe, and the diameter of the blocking part is larger than the outer diameter of the connecting pipe so as to limit the movement of the C-shaped plate on the connecting pipe.

5. A structurally sound foot-operated abdominal exerciser as claimed in any one of claims 1 to 3, wherein: and a layer of rubber belt is fixed on the outer surface of the limiting belt.

6. A structurally sound foot-operated abdominal expander as set forth in claim 1, wherein: the tensile force belt assembly further comprises a binding sleeve and an outer decorative sleeve, the tensile force belt penetrates through the outer decorative sleeve, the binding sleeve is sleeved at the position, on the ball body, of the tensile force belt at two ends of the outer decorative sleeve, and the ball body is tightly bound by the binding sleeve.