Tightness-adjustable wrist developer

Abstract

The utility model discloses a tightness-adjustable hand-muscle developer which comprises symmetrically arranged mounting pipes, the bottom ends of the mounting pipes are fixedly connected with grips, the inner sides of the mounting pipes are fixedly connected with connecting plates, the connecting plates are connected through hinges, the upper ends of the mounting pipes are connected with mounting rods in an inserted mode, the upper ends of the mounting rods are fixedly connected with connecting blocks, and the connecting blocks are fixedly connected with the connecting rods. A spring is arranged between the connecting blocks, connecting bases are fixedly connected to the two ends of the spring, and an adjusting assembly used for adjusting the extending length of the mounting rod is arranged in the mounting pipe. According to the utility model, the extension length of the mounting rod can be adjusted through the arranged adjusting assembly, so that the total length of the connecting pipe and the mounting rod can be adjusted, and according to the lever principle, when a power arm is not changed, the longer a resistance arm is, the more labor is wasted, equivalently, in the device, the longer the length of a grip is, the longer the total length of the connecting pipe and the mounting rod is, the more labor is wasted; therefore, the hand-muscle developer can be adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of handgrips, in particular to a handgrip with adjustable tightness. Background Art

[0002] Grip strengthener, also known as arm gripper, hand strength tester, finger strength tester, dynamometer. There are different training methods when using it, such as single-handed, double-handed, upper grip, lower grip, double grip, etc. It is small and light, easy to carry, and can be used without any restrictions. You can exercise your hand strength at any time, relieve fatigue, strengthen muscles, enhance blood circulation, and long-term use is helpful for preventing rheumatoid arthritis, etc. It is an essential small equipment for exercise and fitness.

[0003] The existing handgrips with limited sales in the market cannot be freely adjusted by the user during use, and cannot meet the needs of people with different arm strengths and different ages. In order to solve the above problems, a handgrip with adjustable tightness is proposed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a gripper with adjustable tightness.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a gripper with adjustable tightness, comprising a symmetrically arranged mounting tube, a handle fixedly connected to the bottom end of the mounting tube, a connecting plate fixedly connected to the inner side of the mounting tube, the connecting plates are hingedly connected, a mounting rod is inserted and connected to the upper end of the mounting tube, a connecting block is fixedly connected to the upper end of the mounting rod, a spring is arranged between the connecting blocks, both ends of the spring are fixedly connected to a connecting seat, and an adjustment component for adjusting the extension length of the mounting rod is arranged inside the mounting tube.

[0006] Furthermore, protective rings are fixedly connected to the upper and lower ends of the outer side of the handle.

[0007] Furthermore, the connection blocks are each provided with a slot that passes through left and right, and a rotating shaft is fixedly connected inside the slot.

[0008] Furthermore, the connecting seats are rotatably connected to corresponding rotating shafts respectively.

[0009] Furthermore, a limiting groove is vertically symmetrically arranged on the side of the mounting rod, a scale plate is arranged on one side of the mounting rod, and a threaded hole is opened at the bottom end of the mounting rod.

[0010] Furthermore, the adjustment assembly includes a screw rod that is vertically rotatably connected to the inside of the mounting tube, the bottom end of the screw rod passes through the handle and is fixedly connected to an adjustment knob, and the screw rod is threadedly connected to the threaded hole.

[0011] Furthermore, limit strips are vertically and symmetrically fixedly connected on both sides of the interior of the installation tube, and the limit strips are slidably connected to corresponding limit grooves.

[0012] Beneficial effects of the utility model:

[0013] When the utility model is in use, the gripper with adjustable tightness can adjust the extended length of the mounting rod through the arranged adjustment component, so that the total length of the connecting tube and the mounting rod can be adjusted. According to the lever principle, when the power arm remains unchanged, the longer the resistance arm is, the more strenuous it is. This is equivalent to that in the present device, the length of the handle remains unchanged, and the longer the total length of the connecting tube and the mounting rod is, the more strenuous it is, so the gripper can be adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description of the specific implementation methods will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 : The right side view of the utility model;

[0016] Figure 2 : Schematic diagram of the structure of the adjustment component of the utility model;

[0017] Figure 3 : Schematic diagram of the mounting rod structure of the utility model;

[0018] Figure 4 : Schematic diagram of the spring structure of the utility model.

[0019] The reference numerals are as follows:

[0020] 1. Mounting tube; 2. Handle; 3. Connecting plate; 4. Mounting rod; 5. Connecting block; 6. Spring; 7. Connecting seat; 8. Protective ring; 9. Screw; 10. Limiting strip; 11. Adjusting knob; 12. Limiting groove; 13. Threaded hole; 14. Scale plate; 15. Slot; 16. Rotating shaft. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figure 1-4As shown, it relates to a grip strengthener with adjustable tightness, including a symmetrically arranged mounting tube 1, a handle 2 is fixedly connected to the bottom end of the mounting tube 1, a connecting plate 3 is fixedly connected to the inner side of the mounting tube 1, the connecting plates 3 are hingedly connected, a mounting rod 4 is inserted and connected to the upper end of the mounting tube 1, a connecting block 5 is fixedly connected to the upper end of the mounting rod 4, a spring 6 is arranged between the connecting blocks 5, and both ends of the spring 6 are fixedly connected to a connecting seat 7, and an adjusting component for adjusting the extension length of the mounting rod 4 is arranged inside the mounting tube 1.

[0023] like Figure 1-4 As shown, the upper and lower ends of the outer side of the handle 2 are fixedly connected with protective rings 8, and the protective rings 8 can limit the upper and lower ends of the handle 2.

[0024] like Figure 1-4 As shown, the connecting blocks 5 are provided with slots 15 running through the left and right sides, and the inside of the slots 15 are fixedly connected with rotating shafts 16. The connecting seats 7 are rotatably connected with the corresponding rotating shafts 16 respectively. The user can hold the handle 2, and the handle 2 is rotated through the connecting plate 3, so as to drive the spring 6 to extend for exercise. When the spring 6 is extended, the connecting seat 7 and the corresponding rotating shaft 16 rotate.

[0025] like Figure 1-4 As shown, a limit groove 12 is vertically symmetrically arranged on the side of the mounting rod 4, a scale plate 14 is arranged on one side of the mounting rod 4, a threaded hole 13 is opened at the bottom end of the mounting rod 4, and the adjustment component includes a screw 9 which is vertically rotatably connected to the inside of the mounting tube 1, and the bottom end of the screw 9 passes through the handle 2 and is fixedly connected with an adjustment knob 11, the screw 9 is threadedly connected to the threaded hole 13, and the limit strips 10 are vertically symmetrically fixedly connected on both sides of the inside of the mounting tube 1, and the limit strips 10 are slidably connected to the corresponding limit grooves 12, and the screw 9 is rotated by rotating the adjustment knob 11. Through the threaded connection between the screw 9 and the threaded hole 13, the mounting rod 4 can be driven to move along the limit strip 10 through the limit groove 12, and the mounting rod 4 can be driven to extend or retract.

[0026] Working principle: When in use, the extension length of the mounting rod 4 can be adjusted through the set adjustment component. Specifically, turning the adjustment knob 11 drives the screw rod 9 to rotate, and through the threaded connection between the screw rod 9 and the threaded hole 13, the mounting rod 4 can be driven to move along the limit strip 10 through the limit groove 12, and the mounting rod 4 can be driven to extend or retract. The extension distance can be adjusted according to the scale plate 14, so that the total length of the connecting tube and the mounting rod 4 can be adjusted. According to the lever principle, when the power arm remains unchanged, the longer the resistance arm, the more strenuous it is. This is equivalent to the fact that in this device, the length of the handle 2 remains unchanged, and the longer the total length of the connecting tube and the mounting rod 4, the more strenuous it is, so the gripper can be adjusted. After adjustment, the user can hold the handle 2, and the handle 2 can be rotated through the connecting plate 3, so that the spring 6 can be driven to extend for exercise.

[0027] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A gripper with adjustable tightness, comprising symmetrically arranged mounting tubes (1), characterized in that: The bottom end of the mounting tube (1) is fixedly connected to a handle (2), the inner side of the mounting tube (1) is fixedly connected to a connecting plate (3), the connecting plates (3) are hingedly connected to each other, the upper end of the mounting tube (1) is insertedly connected to a mounting rod (4), the upper end of the mounting rod (4) is fixedly connected to a connecting block (5), a spring (6) is arranged between the connecting blocks (5), both ends of the spring (6) are fixedly connected to a connecting seat (7), and an adjusting component for adjusting the extension length of the mounting rod (4) is arranged inside the mounting tube (1).

2. The gripper with adjustable tightness according to claim 1, characterized in that: The upper and lower ends of the outer side of the handle (2) are both fixedly connected with protective rings (8).

3. The gripper with adjustable tightness according to claim 2, characterized in that: The connection blocks (5) are each provided with a slot (15) penetrating from left to right, and a rotating shaft (16) is fixedly connected inside the slot (15).

4. The gripper with adjustable tightness according to claim 3, characterized in that: The connecting seats (7) are respectively rotatably connected to corresponding rotating shafts (16).

5. The gripper with adjustable tightness according to claim 4, characterized in that: A limiting groove (12) is vertically symmetrically arranged on the side of the mounting rod (4), a scale plate (14) is arranged on one side of the mounting rod (4), and a threaded hole (13) is opened at the bottom end of the mounting rod (4).

6. The gripper with adjustable tightness according to claim 5, characterized in that: The adjustment assembly comprises a screw rod (9) which is vertically rotatably connected to the inside of the mounting tube (1); the bottom end of the screw rod (9) passes through the handle (2) and is fixedly connected to an adjustment knob (11); the screw rod (9) is threadedly connected to a threaded hole (13).

7. The gripper with adjustable tightness according to claim 6, characterized in that: Limiting strips (10) are vertically and symmetrically fixedly connected on both sides of the interior of the installation tube (1), and the limiting strips (10) are slidably connected to corresponding limiting grooves (12).

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