CN210698701U

CN210698701U - Net tensioning device

Info

Publication number: CN210698701U
Application number: CN201921580733.1U
Authority: CN
Inventors: 时爱林
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-06-09
Anticipated expiration: 2029-09-23

Abstract

The utility model relates to the technical field of exercise equipment, in particular to a net tensioning device, which comprises a counterweight fixing base, a retractable rotating device, a fine-adjustment elastic device, a connecting rope guide component and a net connecting device, two devices are needed to pull up the net, two ends of the net are fixedly connected on two casing columns, two balancing weights are placed on the ground according to the situation of the field, a connecting shaft I is rotated and drives a winding roller to rotate, the rotating winding roller tensions the net through an upper connecting rope and a lower connecting rope, when the tension degree of the net is not great, the rotation of the connecting shaft I is stopped, a connecting shaft II is rotated and drives an eccentric circular plate to move, the eccentric circular plate drives a rotating U strip to swing, the pawl and a ratchet wheel are utilized to drive the connecting shaft I to slowly rotate, the net can be finely adjusted, and the net can be flatter, has the feeling of a standard net.

Description

Net tensioning device

Technical Field

The utility model relates to an exercise apparatus technical field, more specifically the net straining device that says so.

Background

With the development of society, people pay more and more attention to their health, all can be on time take exercise, do the activity of taking exercise health, for example tennis, badminton or volleyball class activity, but need to use in the middle of this kind of activity and separate two people and play to each other, but the space in district or square is limited, can not use the standard net sometimes, and the rate of tension of net can not be adjusted to current non-standard net mostly, so design a self-service type net straining device is especially important.

Disclosure of Invention

The utility model relates to an exercise apparatus technical field, more specifically the net straining device that says so, including counter weight unable adjustment base, receive and release rotating device, fine setting take-up unit, connect rope guide member and net connecting device, this device can change the rate of tension of net to can also change the width of net according to the limitation in place, be applicable to the family and use.

The utility model provides a net straining device, includes counter weight unable adjustment base, this net straining device is still including receiving and releasing rotating device, fine setting take-up unit, connecting rope guide member and net connecting device, counter weight unable adjustment base's upper end fixedly connected with receives and releases rotating device, fine setting take-up unit with receive and release rotating device fixed connection, connecting rope guide member fixed connection on counter weight unable adjustment base, net connecting device with receive and release rotating device fixed connection and with be connected rope guide member contact.

As a further optimization of this technical scheme, the utility model relates to a net straining device counter weight unable adjustment base include the balancing weight and bear the stand, fixedly connected with bears the stand on the balancing weight.

As this technical scheme's further optimization, the utility model relates to a net straining device receive and release rotating device include bearing frame I, connecting axle I, winding roller and ratchet, bearing frame I fixed connection is in the top of bearing the stand, rotates on the bearing frame I and is connected with connecting axle I, winding roller fixed connection is in connecting axle I's middle-end and lie in bearing frame I, connecting axle I's front end fixedly connected with ratchet.

As this technical scheme's further optimization, the utility model relates to a net straining device fine setting take-up unit include bearing frame II, connecting axle II, rotate the plectane, eccentric plectane, the axis of rotation, rotate the U strip, the fixed axle, pawl and commentaries on classics spring, bearing frame II fixed connection is at bearing frame I's front end, it is connected with connecting axle II to rotate on the bearing frame II, connecting axle II's rear end fixedly connected with rotates the plectane, fixedly connected with eccentric plectane on the eccentric position of rotation plectane, the rear end fixedly connected with axis of rotation of bearing frame II below, it is connected with the rotation U strip to rotate in the axis of rotation, eccentric plectane sliding connection is in rotating the U strip, fixedly connected with fixed axle on the rotation U strip, it is connected with the pawl to rotate on.

As this technical scheme's further optimization, the utility model relates to a net straining device the connection rope guide member include bearing frame III, connecting axle III and guide roll, bearing frame III be provided with two, the equal fixed connection of two bearing frame III is on bearing the stand, both ends rotate with two bearing frame III respectively around the connecting axle III to be connected, fixedly connected with guide roll on the connecting axle III, the guide roll is located between two bearing frame III.

As this technical scheme's further optimization, net straining device net connecting device include connection box, cover post, go up to connect the rope and connect the rope down, fixedly connected with cover post in the connection box, the upper and lower both sides difference fixedly connected with of connection box left end are gone up to connect the rope and are connected the rope down, go up the equal fixed connection of the other end of connecting the rope and connecting the rope down in the winding roller, the lower extreme and the guide roll contact of connecting the rope down.

The utility model relates to a net straining device's beneficial effect does:

need use two this devices could pull up the net, both ends fixed connection to the net is on two cover posts, place subaerial to two balancing weights according to the condition in place, rotate connecting axle I, connecting axle I drives the winding roller and rotates, pivoted winding roller is taut to the net through last connection rope and lower connection rope, when the rate of tension of net is not much, stop rotating connecting axle I, rotate connecting axle II, connecting axle II drives eccentric plectane motion, eccentric plectane drives and rotates U and swings, utilize pawl and ratchet to drive connecting axle I and slowly rotate, at this moment can finely tune the net, can let the net flatter like this, more have the sensation of standard net.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of a net tensioning device of the present invention;

FIG. 2 is another schematic structural view of a net tensioning device;

FIG. 3 is a schematic view of a counterweight fixing base;

FIG. 4 is a schematic structural view of the retracting and releasing rotating device;

FIG. 5 is another schematic structural view of the retracting and rotating device;

FIG. 6 is a schematic view of a fine adjustment tensioner;

FIG. 7 is another schematic view of the fine-tuning take-up device;

FIG. 8 is a schematic view of a portion of a fine tuning tensioner;

FIG. 9 is an enlarged view of a portion of the fine adjustment tensioner;

FIG. 10 is a schematic view of the construction of the connecting cord guide member;

FIG. 11 is a schematic view of a net connecting device.

In the figure: the device comprises a counterweight fixing base 1, a counterweight block 1-1, a bearing upright post 1-2, a retraction rotating device 2, a bearing seat I2-1, a connecting shaft I2-2, a winding roller 2-3, a ratchet 2-4, a fine-adjustment tightening device 3, a bearing seat II3-1, a connecting shaft II3-2, a rotating circular plate 3-3, an eccentric circular plate 3-4, a rotating shaft 3-5, a rotating U strip 3-6, a fixing shaft 3-7, a pawl 3-8, a rotating spring 3-9, a connecting rope guide member 4, a bearing seat III4-1, a connecting shaft III4-2, a guide roller 4-3, a net connecting device 5, a connecting frame 5-1, a sleeve column 5-2, an upper connecting rope 5-3 and a lower connecting rope 5-4.

Detailed Description

The first embodiment is as follows:

the present embodiment will be described with reference to fig. 1-11, and the present invention relates to the technical field of exercise equipment, and more particularly to a net tensioning device, which comprises a counterweight fixing base 1, a retracting and rotating device 2, a fine-tuning elastic device 3, a connecting rope guide member 4 and a net connecting device 5, wherein two devices are required to pull up the net, two ends of the net are fixedly connected to two casing posts 5-2, two balancing weights 1-1 are placed on the ground according to the situation of the field, a connecting shaft I2-2 is rotated, the connecting shaft I2-2 drives a winding roller 2-3 to rotate, the rotating winding roller 2-3 tensions the net through an upper connecting rope 5-3 and a lower connecting rope 5-4, when the tension of the net is not much, the rotating connecting shaft I2-2 is stopped, the connecting shaft II3-2 is rotated, the connecting shaft II3-2 drives the eccentric circular plate 3-4 to move, the eccentric circular plate 3-4 drives the rotating U bar 3-6 to swing, the pawl 3-8 and the ratchet 2-4 drive the connecting shaft I2-2 to slowly rotate, and then the ball net can be finely adjusted, so that the ball net can be flatter and has the feeling of a standard ball net;

a net tensioning device comprises a counterweight fixing base 1, the net tensioning device also comprises a retracting and releasing rotating device 2, a fine-adjustment elastic device 3, a connecting rope guide member 4 and a net connecting device 5, the counterweight fixing base 1 plays a role of counterweight and can fix the device on the ground, the upper end of the counterweight fixing base 1 is fixedly connected with the retracting and releasing rotating device 2, the tension degree of the net can be adjusted by utilizing the retracting and releasing rotating device 2, the fine-adjustment elastic device 3 is fixedly connected with the retracting and releasing rotating device 2, the fine-adjustment elastic device 3 can finely adjust the tension degree of the net to enable the net to be flatter and close to the distance with a standard net, the connecting rope guide member 4 is fixedly connected on the counterweight fixing base 1, the connecting rope guide member 4 plays a role of guiding, the net connecting device 5 is fixedly connected with the retracting and releasing rotating device 2 and is contacted with the connecting rope guide member 4, the net connecting device 5 can fix one end of the tennis ball.

The second embodiment is as follows:

the embodiment is described below with reference to fig. 1 to 11, and the counterweight fixing base 1 further described in the embodiment includes a counterweight block 1-1 and a bearing column 1-2, the counterweight block 1-1 plays a role of bearing and fixing, the bearing column 1-2 is fixedly connected to the counterweight block 1-1, the bearing column 1-2 plays a role of bearing and fixing, the bearing column 1-2 is designed as a lifting structure, and the height of the net is adjusted according to different ball games, so that the practicability is higher.

The third concrete implementation mode:

the embodiment is described below with reference to fig. 1-11, and the embodiment further describes the second embodiment, the retracting and rotating device 2 includes a bearing seat I2-1, a connecting shaft I2-2, a winding roller 2-3 and a ratchet 2-4, the bearing seat I2-1 is fixedly connected above the bearing upright post 1-2, the bearing seat I2-1 can limit the connecting shaft I2-2, so that the connecting shaft I2-2 can only rotate around its own axis, the bearing seat I2-1 is rotatably connected with the connecting shaft I2-2, the rotating connecting shaft I2-2 can drive the winding roller 2-3 to rotate, the winding roller 2-3 is fixedly connected to the middle end of the connecting shaft I2-2 and is located in the bearing seat I2-1, the rotating winding roller 2-3 can retract or release the upper connecting rope 5-3 and the lower connecting rope 5-4, the upper connecting rope 5-3 and the lower connecting rope 5-4 can drive the ball net to move through the connecting frame 5-1 and the sleeve columns 5-2, so that the tension degree of the ball net is adjusted, the ratchet 2-4 is fixedly connected to the front end of the connecting shaft I2-2, the ratchet 2-4 can drive the connecting shaft I2-2 to rotate, the connecting shaft I2-2 can be limited, the connecting shaft I2-2 can only rotate in one direction, and therefore the adjusted ball net cannot fall down.

The fourth concrete implementation mode:

the third embodiment will be described with reference to fig. 1-11, and the fine-tuning take-up device 3 further described in the third embodiment includes a bearing seat II3-1, a connecting shaft II3-2, a rotating circular plate 3-3, an eccentric circular plate 3-4, a rotating shaft 3-5, a rotating U-bar 3-6, a fixing shaft 3-7, a pawl 3-8 and a rotating spring 3-9, the bearing seat II3-1 is fixedly connected to the front end of the bearing seat I2-1, the bearing seat II3-1 plays a role in connection, the bearing seat II3-1 is rotatably connected with the connecting shaft II3-2, the connecting shaft II3-2 can drive the rotating circular plate 3-3 to rotate, the rear end of the connecting shaft II3-2 is fixedly connected with the rotating circular plate 3-3, the rotating circular plate 3-3 can drive the eccentric circular plate 3-4 to move circumferentially, the eccentric position of the rotating circular plate 3-3 is fixedly connected with an eccentric circular plate 3-4, the eccentric circular plate 3-4 which does circular motion can drive the rotating U bar 3-6 to swing around a rotating shaft 3-5, the rear end below the bearing seat II3-1 is fixedly connected with a rotating shaft 3-5, the rotating shaft 3-5 can provide a rotating axis for the rotating U bar 3-6, the rotating shaft 3-5 is rotatably connected with the rotating U bar 3-6, the swinging rotating U bar 3-6 drives the pawl 3-8 to move, the eccentric circular plate 3-4 is slidably connected in the rotating U bar 3-6, the rotating U bar 3-6 is fixedly connected with a fixed shaft 3-7, the fixed shaft 3-7 can provide a rotating axis for the pawl 3-8 and can also provide a connecting space for the rotating spring 3-9, the fixed shaft 3-7 is rotatably connected with a pawl 3-8, the pawl 3-8 can drive the ratchet wheel 2-4 to rotate towards one direction, the pawl 3-8 is in contact with the ratchet wheel 2-4, the pawl 3-8 can drive the pawl 3-8 to slowly rotate, the tension of a ball net can be finely adjusted, the ball net is flatter, the fixed shaft 3-7 is fixedly connected with a rotating spring 3-9, the rotating spring 3-9 can generate downward force to press the pawl 3-8 to be in contact with the ratchet wheel 2-4, the ratchet wheel 2-4 can be driven to rotate only in a specific direction, and the rotating spring 3-9 is in contact with the pawl 3-8.

The fifth concrete implementation mode:

the embodiment is described below with reference to fig. 1 to 11, and the fourth embodiment is further described in the present embodiment, where the connecting rope guide member 4 includes a bearing seat III4-1, a connecting shaft III4-2, and a guide roller 4-3, where the bearing seat III4-1 is provided with two bearing seats III4-1, both the two bearing seats III4-1 are fixedly connected to the supporting upright post 1-2, the ratchet 2-4 can limit the connecting shaft III4-2, so that the connecting shaft III4-2 can only rotate around its own axis, the front and rear ends of the connecting shaft III4-2 are respectively rotatably connected to the two bearing seats III4-1, the connecting shaft III4-2 can provide a connecting space for the guide roller 4-3, the connecting shaft III4-2 is fixedly connected to the guide roller 4-3, and the guide roller 4-3 can guide the lower connecting rope 5-4, the guide roll 4-3 is located between two bearing blocks III 4-1.

The sixth specific implementation mode:

the present embodiment will be described with reference to fig. 1-11, and the ball net connecting device 5 further described in the present embodiment includes a connecting frame 5-1, a casing pillar 5-2, an upper connecting string 5-3 and a lower connecting string 5-4, wherein the connecting frame 5-1 plays a connecting role, the casing pillar 5-2 is fixedly connected to the inside of the connecting frame 5-1, and the ball net can be sleeved on the casing pillar 5-2, so that one end of the ball net can be fixed and moved along with the casing pillar 5-2, the upper and lower sides of the left end of the connecting frame 5-1 are respectively fixedly connected with the upper connecting string 5-3 and the lower connecting string 5-4, the other ends of the upper connecting string 5-3 and the lower connecting string 5-4 are fixedly connected to the winding roller 2-3, the connecting frame 5-1 can be driven to move by the upper connecting string 5-3 and the lower connecting string 5-4, the lower end of the lower connecting rope 5-4 is contacted with the guide roller 4-3.

The utility model relates to a net straining device's theory of operation:

the ball net can be pulled up by using two devices, two ends of the ball net are fixedly connected to two sleeve columns 5-2, two balancing weights 1-1 are placed on the ground according to the situation of the site, a connecting shaft I2-2 is rotated, the connecting shaft I2-2 drives a winding roller 2-3 to rotate, the rotating winding roller 2-3 tensions the ball net through an upper connecting rope 5-3 and a lower connecting rope 5-4, when the tensity of the ball net is not much, the connecting shaft I2-2 stops rotating, the connecting shaft II3-2 is rotated, the connecting shaft II3-2 drives an eccentric circular plate 3-4 to do circular motion through the rotating circular plate 3-3, the eccentric circular plate 3-4 is connected in the rotating U strip 3-6 in a sliding manner, the eccentric circular plate 3-4 drives the rotating U strip 3-6 to swing, the connecting shaft I2-2 is driven by the pawl 3-8 and the ratchet 2-4 to rotate slowly in a more definite direction, so that the net can be finely adjusted and tensioned, and the net can be flatter and has a more standard net feeling.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.

Claims

1. The utility model provides a net straining device, includes counter weight unable adjustment base (1), its characterized in that: this net straining device still includes to receive and release rotating device (2), fine setting straining device (3), connect rope guide member (4) and net connecting device (5), the upper end fixedly connected with of counter weight unable adjustment base (1) receives and releases rotating device (2), fine setting straining device (3) with receive and release rotating device (2) fixed connection, connect rope guide member (4) fixed connection on counter weight unable adjustment base (1), net connecting device (5) with receive and release rotating device (2) fixed connection and with be connected rope guide member (4) contact.

2. A net tensioning device according to claim 1, wherein: the counterweight fixing base (1) comprises a counterweight block (1-1) and a bearing upright post (1-2), and the bearing upright post (1-2) is fixedly connected to the counterweight block (1-1).

3. A net tensioning device according to claim 2, wherein: the winding and unwinding rotating device (2) comprises a bearing seat I (2-1), a connecting shaft I (2-2), a winding roller (2-3) and a ratchet wheel (2-4), the bearing seat I (2-1) is fixedly connected above the bearing upright post (1-2), the bearing seat I (2-1) is connected with the connecting shaft I (2-2) in a rotating mode, the winding roller (2-3) is fixedly connected to the middle end of the connecting shaft I (2-2) and located in the bearing seat I (2-1), and the ratchet wheel (2-4) is fixedly connected to the front end of the connecting shaft I (2-2).

4. A net tensioning device according to claim 3, wherein: the fine-adjustment take-up unit (3) comprises a bearing seat II (3-1), a connecting shaft II (3-2), a rotating circular plate (3-3), an eccentric circular plate (3-4), a rotating shaft (3-5), a rotating U bar (3-6), a fixing shaft (3-7), a pawl (3-8) and a rotating spring (3-9), wherein the bearing seat II (3-1) is fixedly connected with the front end of the bearing seat I (2-1), the bearing seat II (3-1) is rotatably connected with the connecting shaft II (3-2), the rear end of the connecting shaft II (3-2) is fixedly connected with the rotating circular plate (3-3), the eccentric position of the rotating circular plate (3-3) is fixedly connected with the eccentric circular plate (3-4), and the rear end below the bearing seat II (3-1) is fixedly connected with the rotating shaft (3-, the rotating shaft (3-5) is rotatably connected with a rotating U bar (3-6), the eccentric circular plate (3-4) is connected in the rotating U bar (3-6) in a sliding mode, the rotating U bar (3-6) is fixedly connected with a fixing shaft (3-7), the fixing shaft (3-7) is rotatably connected with a pawl (3-8), the pawl (3-8) is in contact with the ratchet wheel (2-4), the fixing shaft (3-7) is fixedly connected with a rotating spring (3-9), and the rotating spring (3-9) is in contact with the pawl (3-8).

5. A net tensioning device according to claim 4, wherein: the connecting rope guide member (4) comprises two bearing seats III (4-1), a connecting shaft III (4-2) and guide rollers (4-3), the two bearing seats III (4-1) are fixedly connected to the bearing upright post (1-2), the front end and the rear end of the connecting shaft III (4-2) are rotatably connected with the two bearing seats III (4-1) respectively, the guide rollers (4-3) are fixedly connected to the connecting shaft III (4-2), and the guide rollers (4-3) are located between the two bearing seats III (4-1).

6. A net tensioning device according to claim 5, wherein: the net connecting device (5) comprises a connecting frame (5-1), sleeve columns (5-2), an upper connecting rope (5-3) and a lower connecting rope (5-4), the sleeve columns (5-2) are fixedly connected in the connecting frame (5-1), the upper side and the lower side of the left end of the connecting frame (5-1) are respectively fixedly connected with the upper connecting rope (5-3) and the lower connecting rope (5-4), the other ends of the upper connecting rope (5-3) and the lower connecting rope (5-4) are fixedly connected in the winding roller (2-3), and the lower end of the lower connecting rope (5-4) is in contact with the guide roller (4-3).