Sitting height adjusting structure of chest pushing trainer

Abstract

The utility model provides a sitting height adjusting structure of a chest pushing training device, which belongs to the technical field of fitness training devices and comprises a fixed backrest, an equipment base and a cushion obliquely below the fixed backrest, a seat bottom plate is arranged below the cushion, a fixed support is arranged in the middle of the lower surface of the seat bottom plate, and an electric lifting rod is arranged below the fixed support. The lower end of the backrest support is fixedly welded to the equipment base, the rear end of the supporting plate is connected with the bottom of the backrest support, chest pushing devices are arranged on the two sides of the upper surface of the equipment base, and a lifting switch is arranged at the front end of the lifting driver. The lifting driver is started to enable the electric lifting rod to drive the lifting fixator to ascend and descend, then the fixing support and the connecting block which are connected with the lifting fixator ascend and descend, and the lifting height of the seat bottom plate is controlled.

Description

Technical Field

[0001] The utility model relates to the technical field of fitness training devices, in particular to a seat height adjustment structure of a chest press training device. Background Art

[0002] Existing chest press trainers generally consist of a seat cushion, a seat and back cushion, a vertical frame, a counterweight device and a chest press arm. The chest press arm is connected to the counterweight device through a wire rope and a pulley set, and the weight of the counterweight can be adjusted as needed to meet the training requirements of different users.

[0003] In order to solve this technical problem, technicians in this field have developed a split-type incline chest press trainer. For example, the patent number "CN209865162U" published by the China Patent Office is a split-type incline chest press trainer, which can meet the training requirements of different users, prevent hands from being injured by slipping, and improve the safety performance of the trainer. However, it has the following shortcomings: the seat cushion of the chest press trainer is fixed, and due to the different heights of users, it cannot be used when the user needs to adjust the seat cushion height. In order to solve the above problem, a chest press trainer seat height adjustment structure is proposed to solve the above problem. Utility Model Content

[0004] In view of this, the utility model provides a seat height adjustment structure of a chest press trainer. The utility model can start the lifting driver to enable the electric lifting rod to drive the lifting fixture to lift and lower, thereby lifting the fixing bracket and the connecting block connected to the lifting fixture, and controlling the lifting switch to control the lifting height of the seat bottom plate.

[0005] In order to solve the above technical problems, the utility model provides a seat height adjustment structure of a chest press trainer, comprising a fixed backrest, an equipment base and a seat cushion obliquely below the fixed backrest, a seat bottom plate is provided below the seat cushion, a fixed bracket is provided in the middle of the lower surface of the seat bottom plate, an electric lifting rod is provided below the fixed bracket, a lifting drive is provided below the electric lifting rod, a support plate is provided on the lower surface of the lifting drive, a backrest bracket is welded behind the fixed backrest, the lower end of the backrest bracket is welded and fixed to the equipment base, the rear end of the support plate is connected to the bottom of the backrest bracket, chest press devices are provided on both sides of the upper surface of the equipment base, and a lifting switch is provided at the front end of the lifting drive.

[0006] The upper end of the electric lifting rod is provided with a lifting fixture for connecting the electric lifting rod with a fixing bracket, the lower end of the electric lifting rod is provided with a lifting connector for connecting the electric lifting rod with a lifting driver, and the lower end of the lifting connector is connected to the lifting driver.

[0007] The lifting fixture is connected to the lower surface of the fixing bracket, the upper surface of the fixing bracket is provided with a connecting block used for connecting the fixing bracket with the seat bottom plate, and the upper surface of the connecting block is connected to the lower surface of the seat bottom plate.

[0008] A reinforcing support rod for supporting the backrest bracket is fixedly arranged at the rear of the bottom of the backrest bracket.

[0009] A fan-shaped adjuster for adjusting the pushing angle of the rotating shaft is arranged at the front end of the chest-pressing device, and a rotating shaft for driving the chest-pressing rod to move is arranged at one side of the lower end of the fan-shaped adjuster.

[0010] A chest press rod for exercising upper limbs is welded on the upper surface of one end of the rotating shaft, and a handle sheath for an operator to hold is arranged on the upper end of the chest press rod.

[0011] A support block for connecting the support plate with the equipment base is arranged on the lower surface of the support plate, and the lower surface of the support block is connected with the equipment base.

[0012] Linkage blocks for fixing telescopic support rods are fixedly arranged on both sides of the support plate, and telescopic support rods for cooperating with electric lifting rods to move up and down are arranged on the upper ends of the linkage blocks, and the upper ends of the telescopic support rods are connected to the seat bottom plate.

[0013] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0014] 1. When the seat cushion needs to be adjusted, the lifting driver is started to make the electric lifting rod drive the lifting fixture to lift, thereby lifting the fixing bracket and the connecting block connected to the lifting fixture. The lifting height of the seat bottom plate is controlled by controlling the lifting switch, so that it can be suitable for users of different heights, and it is convenient for users to adjust the seat cushion height when they need to.

[0015] 2. A reinforcing support rod for supporting the backrest bracket is fixedly provided at the rear of the bottom of the backrest bracket.

[0016] 3. A chest press bar for exercising upper limbs is welded on the upper surface of one end of the rotating shaft, and a handle cover is provided on the upper end of the chest press bar for the convenience of the operator to hold. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of a seat height adjustment structure of a chest press training device of the utility model;

[0018] Figure 2 This is a front view structural schematic diagram of the utility model;

[0019] Figure 3 It is a side sectional view of the utility model;

[0020] Figure 4 It is a side view structural schematic diagram of the utility model;

[0021] Figure 5 It is a side sectional view of the main body of the utility model.

[0022] Description of reference numerals:

[0023] 100. Fixed backrest; 101. Equipment base; 102. Seat bottom plate; 103. Fixed bracket; 104. Backrest bracket; 105. Strengthening support rod; 106. Support block; 107. Cushion; 200. Electric lifting rod; 201. Lifting drive; 202. Support plate; 203. Lifting fixture; 204. Lifting connector; 205. Connecting block; 206. Linkage block; 207. Telescopic support rod; 208. Lifting switch; 300. Chest push device; 301. Fan-shaped adjuster; 302. Rotating shaft; 303. Chest push rod; 304. Handle cover. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-5 The technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the utility model.

[0025] like Figure 1-5 As shown: This embodiment provides a chest press training device seat height adjustment structure, including a fixed backrest 100, a device base 101 and a seat cushion 107 obliquely below the fixed backrest 100, a seat bottom plate 102 for fixing the seat cushion 107 is provided below the seat cushion 107, a fixed bracket 103 for installing a lifting fixture 203 is provided in the middle of the lower surface of the seat bottom plate 102, an electric lifting rod 200 for driving the seat cushion 107 to rise and fall is provided below the fixed bracket 103, and a lifting drive for driving the electric lifting rod 200 is provided below the electric lifting rod 200 A lifting actuator 201 is provided on the lower surface of the lifting actuator 201 with a support plate 202 for fixing the lifting actuator 201, a backrest bracket 104 for fixing the fixed backrest 100 is welded behind the fixed backrest 100, the lower end of the backrest bracket 104 is welded and fixed to the equipment base 101, the rear end of the support plate 202 is welded and fixed to the bottom of the backrest bracket 104, chest push devices 300 for exercising chest stretching are provided on both sides of the upper surface of the equipment base 101, and a lifting switch 208 for controlling the seat height is provided at the front end of the lifting actuator 201.

[0026] During use, when the seat cushion 107 needs to be adjusted, the lifting driver 201 is started to make the electric lifting rod 200 drive the lifting fixture 203 to rise and fall, thereby making the fixing bracket 103 and the connecting block 205 connected to the lifting fixture 203 rise and fall, and the lifting height of the seat bottom plate 102 is controlled by controlling the lifting switch 208.

[0027] This embodiment provides a seat height adjustment structure for a chest press training device.

[0028] like Figure 1 , 2 As shown in , 4 and 5: a lifting fixture 203 for connecting the electric lifting rod 200 with the fixed bracket 103 is provided at the upper end of the electric lifting rod 200, and the electric lifting rod 200 and the lifting fixture 203 are mechanically connected and fixed, a lifting connector 204 for connecting the electric lifting rod 200 with the lifting driver 201 is provided at the lower end of the electric lifting rod 200, the lifting connector 204 is mechanically sealed and connected to the electric lifting rod 200, the lower end of the lifting connector 204 is electrically connected to the lifting driver 201, the lifting fixture 203 is fixed to the lower surface of the fixed bracket 103 by bolts, and a connecting block 205 for connecting the fixed bracket 103 with the seat bottom plate 102 is provided on the upper surface of the fixed bracket 103, and the upper surface of the connecting block 205 is fixed to the lower surface of the seat bottom plate 102 by bolts.

[0029] like Figure 1 , 2 As shown in FIG. 4 , a reinforcing support rod 105 for supporting the back support 104 is fixedly provided at the rear of the bottom of the back support 104 , the back support 104 and the reinforcing support rod 105 are welded and fixed, and the reinforcing support rod 105 and the equipment base 101 are welded and fixed.

[0030] like Figure 1 , 2 As shown in , 3 and 4: a fan-shaped adjuster 301 for adjusting the pushing angle of the rotating shaft 302 is provided at the front end of the chest press device 300, the chest press device 300 is mechanically connected to the fan-shaped adjuster 301, a rotating shaft 302 for driving the chest press rod 303 to move is provided on one side of the lower end of the fan-shaped adjuster 301, the fan-shaped adjuster 301 is mechanically connected to the rotating shaft 302, a chest press rod 303 for exercising the upper limbs is welded on the upper surface of one end of the rotating shaft 302, a handle cover 304 for the operator to hold is provided on the upper end of the chest press rod 303, and the chest press rod 303 and the handle cover 304 are fixed by socket-type connection.

[0031] like Figure 1 , 2, 5: the lower surface of the support plate 202 is provided with a support block 106 for connecting the support plate 202 with the equipment base 101, the support plate 202 and the support block 106 are connected and fixed by bolts, the lower surface of the support block 106 and the equipment base 101 are connected and fixed by bolts, linkage blocks 206 for fixing the telescopic support rod 207 are fixed on both sides of the support plate 202, the support plate 202 and the linkage plate are welded and fixed, the upper end of the linkage block 206 is provided with a telescopic support rod 207 for cooperating with the electric lifting rod 200 to rise and fall, the linkage block 206 and the telescopic support rod 207 are connected and fixed by bolts, and the upper end of the telescopic support rod 207 is connected and fixed to the lower surface of the seat bottom plate 102 by bolts.

[0032] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0033] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A seat height adjustment structure for a chest press trainer, characterized in that: The invention comprises a fixed backrest (100), an equipment base (101) and a seat cushion (107) obliquely below the fixed backrest (100); a seat bottom plate (102) is provided below the seat cushion (107); a fixed bracket (103) is provided in the middle of the lower surface of the seat bottom plate (102); an electric lifting rod (200) is provided below the fixed bracket (103); a lifting driver (201) is provided below the electric lifting rod (200); a support plate (202) is provided on the lower surface of the lifting driver (201); a backrest bracket (104) is welded to the rear of the fixed backrest (100); the lower end of the backrest bracket (104) is welded and fixed to the equipment base (101); the rear end of the support plate (202) is connected to the bottom of the backrest bracket (104); chest pushing devices (300) are provided on both sides of the upper surface of the equipment base (101); and a lifting switch (208) is provided at the front end of the lifting driver (201).

2. A chest press training device seat height adjustment structure as claimed in claim 1, characterized in that: The upper end of the electric lifting rod (200) is provided with a lifting fixture (203), the lower end of the electric lifting rod (200) is provided with a lifting connector (204), and the lower end of the lifting connector (204) is connected to the lifting driver (201).

3. A chest press training device seat height adjustment structure as claimed in claim 2, characterized in that: The lifting fixture (203) is connected to the lower surface of the fixing bracket (103), the upper surface of the fixing bracket (103) is provided with a connecting block (205), and the upper surface of the connecting block (205) is connected to the lower surface of the seat bottom plate (102).

4. A chest press training device seat height adjustment structure as claimed in claim 3, characterized in that: A reinforcing support rod (105) is fixedly provided at the rear of the bottom of the backrest bracket (104).

5. A chest press training device seat height adjustment structure as claimed in claim 4, characterized in that: The front end of the chest pushing device (300) is provided with a fan-shaped regulator (301), and one side of the lower end of the fan-shaped regulator (301) is provided with a rotating shaft (302).

6. A chest press training device seat height adjustment structure as claimed in claim 5, characterized in that: A breast-pressing rod (303) is welded to the upper surface of one end of the rotating shaft (302), and a handle guard (304) is provided at the upper end of the breast-pressing rod (303).

7. A chest press training device seat height adjustment structure as claimed in claim 6, characterized in that: A support block (106) is provided on the lower surface of the support plate (202), and the lower surface of the support block (106) is connected to the equipment base (101).

8. A chest press training device seat height adjustment structure as claimed in claim 7, characterized in that: Linkage blocks (206) are fixedly provided on both sides of the support plate (202), and a telescopic support rod (207) is provided on the upper end of the linkage block (206), and the upper end of the telescopic support rod (207) is connected to the seat bottom plate (102).

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