CN109331434B

CN109331434B - Ball taking and placing device for physical education

Info

Publication number: CN109331434B
Application number: CN201811423404.6A
Authority: CN
Inventors: 毛淑南
Original assignee: Jiaxing Mishi Electric Appliance Co Ltd
Current assignee: Jiaxing Mishi Electric Appliance Co., Ltd
Priority date: 2018-11-27
Filing date: 2018-11-27
Publication date: 2020-12-18
Anticipated expiration: 2038-11-27
Also published as: CN109331434A

Abstract

The invention discloses a ball taking and placing device for physical education, which structurally comprises a gravity ejection prevention leakage-free device, two handle connecting blocks, a pushing handle and four device rollers, wherein the right side of each handle connecting block is welded with the upper end of the left side surface of the gravity ejection prevention leakage-free device, the front end and the rear end of the pushing handle are vertically welded with the surface of the handle connecting blocks, the pushing handle is connected with the gravity ejection prevention leakage-free device through the handle connecting blocks, and the top of each device roller is connected with the bottom of the gravity ejection prevention leakage-free device. According to the ball taking and placing device for sports teaching, when balls are placed downwards, the lower pressing door is pushed open through the gravity of the balls, the balls can be placed on the buffer placing plate, the buttons are touched through mechanical movement to count when the lower pressing door is opened, few balls are prevented from being omitted, the lower pressing door is reset under the counter force of the spring when the balls fall into the buffer placing plate, and the balls are prevented from being ejected out to cause damage to people.

Description

Ball taking and placing device for physical education

Technical Field

The invention relates to the field of sports teaching equipment, in particular to a ball taking and placing device for sports teaching.

Background

The ball taking and placing device for physical education is convenient for teachers to collect and store balls after class in class, and is convenient for next use. However, the prior ball taking and placing device for physical education has the following defects:

1. this ball is got and is put ware for sports teaching when using, because the mr can give the ball and use for the student during class, the student of general a class is more, is difficult to the point when collecting the ball that needs deposit, leads to a minority ball to omit.

2. And because the storage is carried out, when more balls are stored in the storage, the balls have elastic potential energy, and when the balls are placed, the balls are stressed to pop out from the taking and placing device, so that the popped balls cause injury to people.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a ball taking and placing device for physical education, which aims to solve the defects that when the ball taking and placing device for physical education in the prior art is used, as teachers can give balls to students for use during class, more students in one class are common, the number of balls required to be stored is difficult to count when the balls are collected, so that a small number of balls are omitted, and when more balls are stored in the device due to storage, the balls have elastic potential energy, when the balls are placed in the device, the gravity is too large, the balls are forced to pop out of the taking and placing device, so that the popped balls cause injury to people.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a ball taking and placing device for physical education comprises a gravity pop-up leakage-free device, handle connecting blocks, a pushing handle and device rollers, wherein the handle connecting blocks are provided with two parts, the right sides of the two parts are welded with the upper end of the left side surface of the gravity pop-up leakage-free device, the front end and the rear end of the pushing handle are vertically welded with the surface of the handle connecting blocks, the pushing handle is connected with the gravity pop-up leakage-free device through the handle connecting blocks, the device rollers are provided with four parts, the top of the four parts is connected with the bottom of the gravity pop-up leakage-free device, the gravity pop-up leakage-free device comprises an elastic reset bin gate device, a sliding reset mechanism, a pressing buffer placing device, a loosening push-out mechanism, a leakage-proof counting device, a fixed bolt mechanism and a bin opening taking device, the sliding reset mechanism is arranged below the elastic reset bin gate device, the sliding reset mechanism is installed above the downward pressing buffer placing device, a leakage-proof counting device is arranged above the loosening pushing mechanism, the right end of the loosening pushing mechanism is connected with the left end of the sliding reset mechanism and connected in a transmission mode, and the right surface of the fixed bolt mechanism is connected with the left surface of the opening device in an electric welding mode.

As a further scheme of the invention, the elastic reset bin gate device comprises a rotating fixed shaft, a lower pressing gate, a movable rod and a nested spring, wherein the left side of the rotating fixed shaft is connected with the right side of the lower pressing gate, the lower surface of the lower pressing gate is connected with the top end of the movable rod in an electric welding mode, the nested spring is arranged on the outer side of the movable rod in a surrounding mode, the rotating fixed shaft is connected with the movable rod through the lower pressing gate, and the inner side of the movable rod is nested with the outer side of the sliding reset mechanism and is connected with the outer side of the sliding reset mechanism in a sliding.

As a further scheme of the present invention, the sliding reset mechanism includes a welding block, a sliding groove, a sliding shaft, a lower pressing plate, a compression spring, and a rope connecting ring, wherein an outer side of the lower pressing shaft is nested with an inner side of the moving rod and connected in a sliding manner, the sliding groove is provided below the welding block and is an integrated structure, an inner side of the sliding shaft is nested with an outer side of the lower pressing shaft and is located on a same center line, the lower pressing shaft is embedded in the sliding groove and connected in a sliding manner, a lower surface of the lower pressing shaft is connected with an upper surface of the lower pressing plate, a lower surface of the lower pressing plate is perpendicular to a top end of the compression spring and is connected in an electric welding manner, a bottom end of the compression spring is connected with a lower surface of the inner side of the sliding.

According to a further scheme of the invention, the downward pressing buffer placement device comprises a placement buffer plate, a buffer spring, a spring base, a rolling shaft, a sliding groove, an extrusion plate, a plastic spring and a limiting plate, wherein the lower surface of the placement buffer plate is connected with the top end of the buffer spring in an electric welding mode, the spring base is installed on two sides of the bottom end of the buffer spring, the rolling shaft is installed on the left side of the placement buffer plate and is of an integrated structure, the rolling shaft is installed on the inner side of the sliding groove in an embedded mode, the placement buffer plate is connected with the sliding groove in a sliding mode through the rolling shaft, the left side surface of the rolling shaft is attached to the right side surface of the extrusion plate, the left side surface of the extrusion plate is welded to the right end of.

As a further scheme of the invention, the loosening and pushing mechanism comprises a rope, a traction wheel, a rope connecting block, a return spring, a sliding block, a shell, a connecting rod and a touch block, the rope is arranged on the outer side of the traction wheel in a surrounding way, the tail end of the rope is connected with the surface of the rope connecting block, a rope connecting block is arranged above the traction wheel, the two ends of the rope connecting block are connected through a rope, the lower surface of the rope connecting block is connected with the top end of a return spring, the two sliding blocks are arranged at the left end and the right end of the rope connecting block, the sliding blocks are embedded and arranged at the inner side of the shell, the rope connecting block is connected with the shell in a sliding way through a sliding block, the rope connecting block is arranged below the connecting rod and is of an integrated structure, the connecting rod top is equipped with the touch piece and is the integral structure, the rope connecting block is connected with the touch piece through the connecting rod.

As a further scheme of the invention, the anti-leakage counting device comprises a plate electrode, a dynamic contact, a connecting spring, a static contact, a controller, pins and a digital display, wherein the dynamic contact is arranged above the plate electrode, the plate electrode is connected with the static contact through the connecting spring, the static contact is electrically connected with the controller through a lead, the controller is connected with the digital display through the pins, the controller is arranged below the digital display, and two ends of the controller are connected through the pins.

According to a further scheme of the invention, the fixed bolt mechanism comprises a fixed block, an external handle, a bolt, a fixture block and a clamping groove, the clamping groove is embedded and installed on the inner side of the fixed block, the front end of the external handle is provided with the bolt which is positioned on the same central line and is of an integrated structure, the bolt is embedded and installed on the surface of the fixed block, the fixture block is embedded and installed on the inner side of the clamping groove, the fixture block is connected with the fixed block through the clamping groove, the external handle is connected with the fixed block through the bolt, and the right side surface of the fixed block.

As a further scheme of the invention, the warehouse opening and taking device comprises a handle, a welding rod, a baffle, an external connecting ring and a torque spring, wherein the left side surface of the baffle is connected with the right side surface of a fixed block, the left side surface of the handle is perpendicular to the right end of the welding rod and is connected with the baffle in an electric welding mode, the handle is connected with the baffle through the welding rod, the bottom end of the baffle is connected with the upper surface of the external connecting ring, the torque spring is embedded and installed on the inner side of the external connecting ring, and the baffle is arranged on the left side of the welding rod and is of an.

Advantageous effects of the invention

The invention relates to a ball taking and placing device for physical education, when balls need to be placed, a pushing handle connected with a handle connecting block can push a gravity ejection leakage-proof device to be matched with a device roller to move to a required position, when the balls impact a pressing door, the balls can move along a rotating fixed shaft to drive a movable rod to extrude a nested spring to be matched with a sliding shaft in a sliding groove to drive the pressing shaft to move downwards, the pressing door can be opened by extruding a compression spring to move downwards through a pressing plate, the balls can be placed on a placing buffer plate to slide along the sliding groove along the matching of the extruding buffer spring and a roller to extrude a plastic spring to buffer downwards through the extruding plate, when the pressing door is opened, a rope can lose tension on the rope connecting block, so that the rope is driven to move around a traction wheel through the reactive force of a return spring, the rope connecting block can be driven to move upwards along a shell to drive a connecting rod to drive a movable contact block to move to touch a contact electrode plate, make it drive dynamic contact and go to extrude connecting spring and static contact touching circular telegram, rethread controller received signal makes its digital display who connects through the pin electricity count the ball number, avoid a small amount of balls to omit, the ball is put into the back and is pushed down the door and can be closed through nested spring and compression spring cooperation, the ball of avoiding putting into pops out and causes the injury to the people, extract the bolt through external handle when will getting the ball, make its fixture block and draw-in groove separation, just can open it along external go-between extrusion torque spring with the baffle.

According to the ball taking and placing device for sports teaching, balls can be placed on the buffering placing plate by pushing the pressing door open through the gravity of the balls during downward placing, the buttons can be touched through mechanical movement to count when the pressing door is opened, so that a small number of balls are prevented from being omitted, the pressing door can be reset by the counterforce of the spring when the balls fall into the buffering placing plate, and the balls are prevented from being ejected to cause damage to people.

Drawings

Other features, objects and advantages of the invention will become more apparent from a reading of the detailed description of non-limiting embodiments with reference to the attached drawings.

In the drawings:

fig. 1 is a schematic structural diagram of a ball pick-and-place device for physical education in the invention.

Fig. 2 is a structural plan view of the gravity ejection leakage-proof device of the present invention.

Fig. 3 is a detailed structural schematic diagram of the gravity ejection leakage-proof device of the present invention.

Fig. 4 is a working state diagram of the gravity ejection leakage-proof device of the present invention.

Fig. 5 is a detailed structural schematic diagram of a loose push-out mechanism of the present invention.

FIG. 6 is a detailed structural diagram of a leak-proof counting device according to the present invention.

In the figure: the device comprises a gravity pop-up leakage-free device-1, a handle connecting block-2, a pushing handle-3, a device roller-4, an elastic reset bin gate device-11, a sliding reset mechanism-12, a downward pressing buffer placement device-13, a loosening push-out mechanism-14, a leakage-proof counting device-15, a fixed bolt mechanism-16, a bin opening taking device-17, a rotating fixed shaft-111, a downward pressing gate-112, a moving rod-113, a nested spring-114, a welding block-121, a sliding groove-122, a sliding shaft-123, a downward pressing shaft-124, a downward pressing plate-125, a compression spring-126, a rope connecting ring-127, a placement buffer plate-131, a buffer spring-132, a spring base-133, a rolling shaft-134, a sliding groove-135, a sliding groove-125, a sliding groove-11, a, The device comprises an extrusion plate-136, a plastic spring-137, a limit plate-138, a rope-141, a traction wheel-142, a rope connecting block-143, a return spring-144, a sliding block-145, a shell-146, a connecting rod-147, a touch block-148, an electrode plate-151, a dynamic contact-152, a connecting spring-153, a static contact-154, a controller-155, a pin-156, a digital display-157, a fixed block-161, an external handle-162, a plug-163, a clamping block-164, a clamping groove-165, a handle-171, a welding rod-172, a baffle-173, an external connecting ring-174 and a torque spring-175.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-6, the present invention provides a technical solution of a ball pick-and-place device for sports teaching:

a ball taking and placing device for physical education comprises a gravity pop-up leakage-free device 1, two handle connecting blocks 2, a pushing handle 3 and a device roller 4, wherein the handle connecting blocks 2 are welded with the upper ends of the left side surfaces of the gravity pop-up leakage-free device 1, the front end and the rear end of the pushing handle 3 are vertically welded with the surfaces of the handle connecting blocks 2, the pushing handle 3 is connected with the gravity pop-up leakage-free device 1 through the handle connecting blocks 2, the device roller 4 is provided with four rollers, the top of the rollers is connected with the bottom of the gravity pop-up leakage-free device 1, the gravity pop-up leakage-free device 1 comprises an elastic resetting bin gate device 11, a sliding resetting mechanism 12, a downward pressing buffer placing device 13, a loosening pushing mechanism 14, a leakage counting device 15, a fixed bolt mechanism 16 and a bin opening taking device 17, the sliding resetting mechanism 12 is arranged below the elastic resetting bin gate device 11 and is connected in a sliding manner, the sliding reset mechanism 12 is installed above the downward-pressing buffer placing device 13, the anti-leakage counting device 15 is arranged above the loose pushing mechanism 14, the right end of the loose pushing mechanism 14 is connected with the left end of the sliding reset mechanism 12 and is connected with the left end of the sliding reset mechanism in a transmission mode, the right side surface of the fixed bolt mechanism 16 is connected with the left side surface of the opening and taking device 17 in an electric welding mode, the elastic reset bin gate device 11 comprises a rotating fixed shaft 111, a downward-pressing gate 112, a moving rod 113 and a nesting spring 114, the left side of the rotating fixed shaft 111 is connected with the right side of the downward-pressing gate 112, the lower surface of the downward-pressing gate 112 is connected with the top end of the moving rod 113 in an electric welding mode, the nesting spring 114 is installed outside the moving rod 113 in a surrounding mode, the rotating fixed shaft 111 is connected with the moving rod 113 through the downward-pressing gate 112, the inner side of the, the sliding reset mechanism 12 includes a welding block 121, a sliding groove 122, a sliding shaft 123, a lower pressing shaft 124, a lower pressing plate 125, a compression spring 126, and a rope connecting ring 127, the outer side of the lower pressing shaft 124 is nested with the inner side of the moving rod 113 and is connected in a sliding manner, the sliding groove 122 is arranged below the welding block 121 and is of an integrated structure, the inner side of the sliding shaft 123 is nested with the outer side of the lower pressing shaft 124 and is located on the same center line, the lower pressing shaft 124 is nested and installed inside the sliding groove 122 and is connected in a sliding manner, the lower surface of the lower pressing shaft 124 is connected with the upper surface of the lower pressing plate 125, the lower surface of the lower pressing plate 125 is perpendicular to the top end of the compression spring 126 and is connected in an electric welding manner, the bottom end of the compression spring 126 is connected with the lower surface of the inner side of the sliding groove, push down buffering placer 13 is including placing buffer board 131, buffer spring 132, spring base 133, roller 134, spout 135, stripper plate 136, plastic spring 137, limiting plate 138, it is connected through the mode of electric welding to place buffer board 131 lower surface and buffer spring 132 top, spring base 133 is installed in buffer spring 132 bottom both sides, roller 134 is installed in placing buffer board 131 left side and is the integral structure, roller 134 embedding installation is inboard with spout 135, it passes through roller 134 and spout 135 sliding connection to place buffer board 131, roller 134 left surface and stripper plate 136 right side surface laminate mutually, stripper plate 136 left surface and plastic spring 137 right-hand member weld mutually, limiting plate 138 lower surface and spout 135 upper surface parallel, stripper plate 136 embedding is installed in spout 135 inboardly, not hard up ejecting mechanism 14 includes rope 141, rope 141, The rope fixing device comprises a traction wheel 142, a rope connecting block 143, a return spring 144, a sliding block 145, a shell 146, a connecting rod 147 and a touch block 148, wherein the rope 141 is arranged around the traction wheel 142, the tail end of the rope 141 is connected with the surface of the rope connecting block 143, the rope connecting block 143 is arranged above the traction wheel 142, the two ends of the rope connecting block are connected through the rope 141, the lower surface of the rope connecting block 143 is connected with the top end of the return spring 144, the sliding blocks 145 are arranged at the two left ends and the right ends of the rope connecting block 143, the sliding blocks 145 are embedded in the shell 146, the rope connecting block 143 is connected with the shell 146 through the sliding blocks 145, the rope connecting block 143 is arranged below the connecting rod 147 and is of an integrated structure, the touch block 148 is arranged above the connecting rod 147 and is of, the anti-leakage counting device 15 comprises an electrode plate 151, a dynamic contact 152, a connecting spring 153, a static contact 154, a controller 155, a pin 156 and a digital display 157, wherein the dynamic contact 152 is arranged above the electrode plate 151, the electrode plate 151 is connected with the static contact 154 through the connecting spring 153, the static contact 154 is electrically connected with the controller 155 through a lead, the controller 155 is connected with the digital display 157 through the pin 156, the controller 155 is arranged below the digital display 157, two ends of the controller are connected through the pin 156, the fixed bolt mechanism 16 comprises a fixed block 161, an external handle 162, a bolt 163, a fixture block 164 and a clamp groove 165, the clamp groove 165 is embedded inside the fixed block 161, the front end of the external handle 162 is provided with the bolt 163 which is positioned on the same center line and is of an integrated structure, and the bolt 163 is embedded on the surface of the fixed block, the latch 164 is inserted into the latch groove 165, the latch 164 is connected to the fixing block 161 via the latch groove 165, the external handle 162 is connected with a fixed block 161 through a bolt 163, the right side surface of the fixed block 161 is connected with the left side surface of the opening and taking device 17, the device 17 for opening the chamber comprises a handle 171, a welding rod 172, a baffle 173, an external connecting ring 174 and a torque spring 175, the left side surface of the baffle 173 is connected to the right side surface of the fixing block 161, the left side surface of the handle 171 is perpendicular to the right end of the welding rod 172 and is connected thereto by electric welding, the handle 171 is connected to the baffle 173 by a welding rod 172, the bottom end of the baffle 173 is connected to the upper surface of an external connection ring 174, the torsion spring 175 is inserted into the outer connection ring 174, and the welding rod 172 has a stopper 173 at the left side and is an integrated structure.

The invention relates to a ball taking and placing device for physical education, which has the working principle that: when balls need to be stored, the pushing handle 3 connected with the handle connecting block 2 can push the gravity ejection leakage-proof device 1 to be matched with the device roller 4 to move to a required position, when the balls impact the pressing door 112, the balls can move along the rotating fixed shaft 111 to drive the moving rod 113 to extrude the nesting spring 114 to be matched with the sliding shaft 123 in the sliding groove 122 to drive the pressing shaft 124 to downwards extrude the compression spring 126 through the pressing plate 125 to move downwards, so that the pressing door 112 can be opened, the balls can be placed on the placing buffer plate 131 to slide along the sliding groove 135 through the extrusion plate 136 to extrude the plastic spring 137 to buffer downwards through the extrusion buffer spring 132 and the rolling shaft 134 in a matched mode, when the pressing door 112 is opened, the rope 141 can lose tension to the rope connecting block 143, the rope can be driven to move around the traction wheel 142 through the counter-acting force of the return spring 144, and the rope connecting block 143 can be matched with the sliding block 145 to drive the connecting rod 147 to move upwards along the shell 146 to bring The touch block 148 moves the touch electrode plate 151 to drive the dynamic contact 152 to extrude the connecting spring 153 to touch the static contact 154 for electrifying, and then the controller 155 receives signals to enable the digital display 157 electrically connected with the pins 156 to count the number of balls, so as to avoid the omission of a few balls, after the balls are put in, the push-down door 112 can be closed by the matching of the nested spring 114 and the compression spring 126, so as to avoid the damage to the people caused by the ejection of the put-in balls, when the balls are to be taken, the plug pin 163 is pulled out by the external handle 162, so that the clamping block 164 is separated from the clamping groove 165, and the baffle 173 can extrude the torque spring 175 along the external connecting ring 174 to open the baffle.

The invention solves the problems that when the ball taking and placing device for physical education in the prior art is used, since teachers can give balls to students for use during class, more students in one class are common, the balls to be stored are difficult to count when being collected, so that a small number of balls are missed, and since the balls are stored, when more balls are stored in the device, because the balls have elastic potential energy, when the ball taking and placing device is placed, the gravity is too large, the balls are forced to pop out from the ball taking and placing device, so that the popped balls cause injury to people, the invention combines the components mutually, when the ball is placed downwards, the door is pushed open by the gravity of the ball, the balls can be placed on the buffer placing plate, and when the door is pressed downwards to be opened, the buttons are touched by mechanical movement to count, so that the missing of a small number of balls is avoided, and when the balls fall into the buffer placing plate, the door is reset by the counter-acting force of the spring, the ball is prevented from being popped out to cause damage to people.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a sports teaching is with ball ware of putting of getting, its structure includes that anti-gravity pops out and exempts from to leak device (1), handle connecting block (2), promotes handle (3), device gyro wheel (4), its characterized in that: the handle connecting blocks (2) are provided with two parts, the right sides of the two parts are welded with the upper end of the left side surface of the gravity ejection leakage-free device (1), the front end and the rear end of the pushing handle (3) are vertically welded with the surface of the handle connecting block (2), the pushing handle (3) is connected with the gravity ejection leakage-free device (1) through the handle connecting block (2), the number of device rollers (4) is four, and the top of the device rollers is connected with the bottom of the gravity ejection leakage-free device (1); the gravity pop-up leakage-free device (1) comprises an elastic reset bin gate device (11), a sliding reset mechanism (12), a pressing buffer placing device (13), a loosening push-out mechanism (14), a leakage-proof counting device (15), a fixed bolt mechanism (16) and a bin opening taking device (17), a sliding reset mechanism (12) is arranged below the elastic reset bin gate device (11) and is connected in a sliding way, the sliding reset mechanism (12) is arranged above the downward-pressing buffer placing device (13), a leak-proof counting device (15) is arranged above the loosening push-out mechanism (14), the right end of the loosening push-out mechanism (14) is connected with the left end of the sliding reset mechanism (12) and is connected with the sliding reset mechanism in a transmission way, the right side surface of the fixed bolt mechanism (16) is connected with the left side surface of the opening and taking device (17) in an electric welding mode;

the elastic reset bin gate device (11) comprises a rotary fixing shaft (111), a lower pressing door (112), a moving rod (113) and a nesting spring (114), wherein the left side of the rotary fixing shaft (111) is connected with the right side of the lower pressing door (112), the lower surface of the lower pressing door (112) is connected with the top end of the moving rod (113) in an electric welding mode, the nesting spring (114) is arranged on the outer side of the moving rod (113) in a surrounding mode, the rotary fixing shaft (111) is connected with the moving rod (113) through the lower pressing door (112), and the inner side of the moving rod (113) is nested with the outer side of the sliding reset mechanism (12) and is connected in a sliding mode;

the sliding reset mechanism (12) comprises a welding block (121), a sliding groove (122), a sliding shaft (123), a lower pressing shaft (124), a lower pressing plate (125), a compression spring (126) and a rope connecting ring (127), wherein the outer side of the lower pressing shaft (124) is embedded and sleeved with the inner side of the movable rod (113) and is connected with the inner side of the movable rod in a sliding manner, the sliding groove (122) is arranged below the welding block (121) and is of an integrated structure, the inner side of the sliding shaft (123) is embedded and sleeved with the outer side of the lower pressing shaft (124) and is positioned on the same central line, the lower pressing shaft (124) is embedded and installed on the inner side of the sliding groove (122) and is connected with the sliding manner, the lower surface of the lower pressing shaft (124) is connected with the upper surface of the lower pressing plate (125), the lower surface of the lower pressing plate (125) is perpendicular to the top end of the compression spring (126) and is connected with the lower surface of, the rope connecting ring (127) is arranged on the left side of the compression spring (126);

the downward-pressing buffer placement device (13) comprises a buffer plate (131), a buffer spring (132), a spring base (133), a roller (134), a sliding groove (135), an extrusion plate (136), a plastic spring (137) and a limiting plate (138), wherein the lower surface of the buffer plate (131) is connected with the top end of the buffer spring (132) through an electric welding mode, the spring base (133) is installed on two sides of the bottom end of the buffer spring (132), the roller (134) is installed on the left side of the buffer plate (131) and is of an integrated structure, the roller (134) is embedded into the sliding groove (135) and is installed on the inner side of the sliding groove, the buffer plate (131) is connected with the sliding groove (135) through the roller (134) in a sliding mode, the left side surface of the roller (134) is attached to the right side surface of the extrusion plate (136), the left side surface of the extrusion plate (136), the lower surface of the limiting plate (138) is parallel to the upper surface of the sliding chute (135), and the extrusion plate (136) is embedded and installed on the inner side of the sliding chute (135);

the loosening and pushing mechanism (14) comprises a rope (141), a traction wheel (142), rope connecting blocks (143), a return spring (144), a sliding block (145), a shell (146), a connecting rod (147) and a touch block (148), wherein the rope (141) is installed on the outer side of the traction wheel (142) in a surrounding mode, the tail end of the rope (141) is connected with the surface of the rope connecting block (143), the rope connecting block (143) is arranged above the traction wheel (142) and two ends of the rope connecting block are connected through the rope (141), the lower surface of the rope connecting block (143) is connected with the top end of the return spring (144), the sliding block (145) is provided with two blocks and installed at the left end and the right end of the rope connecting block (143), the sliding block (145) is embedded in the shell (146), the rope connecting block (143) is installed on the shell (146) in a sliding mode through the sliding block (145), the rope connecting, a touch block (148) is arranged above the connecting rod (147) and is of an integrated structure, and the rope connecting block (143) is connected with the touch block (148) through the connecting rod (147);

the anti-leakage counting device (15) comprises an electrode plate (151), a dynamic contact (152), a connecting spring (153), a static contact (154), a controller (155), a pin (156) and a digital display (157), wherein the dynamic contact (152) is arranged above the electrode plate (151), the electrode plate (151) is connected with the static contact (154) through the connecting spring (153), the static contact (154) is electrically connected with the controller (155) through a lead, the controller (155) is connected with the digital display (157) through the pin (156), and the controller (155) is arranged below the digital display (157) and two ends of the controller are connected through the pin (156).

2. A ball dispenser for use in sports teaching according to claim 1, wherein: fixed bolt mechanism (16) include fixed block (161), external handle (162), bolt (163), fixture block (164), draw-in groove (165) embedding is installed in fixed block (161) inboard, external handle (162) front end is equipped with bolt (163) and is located same central line and structure as an organic whole, bolt (163) embedding is installed in fixed block (161) surface, fixture block (164) embedding is installed in draw-in groove (165) inboard, fixture block (164) are connected with fixed block (161) through draw-in groove (165), external handle (162) are connected with fixed block (161) through bolt (163), fixed block (161) right side surface is connected with the left side surface of device (17) of taking of opening the storehouse.

3. A ball dispenser for use in sports teaching according to claim 1 or 2, wherein: open storehouse device (17) of taking includes handle (171), welding rod (172), baffle (173), external connecting ring (174), torque spring (175), baffle (173) left side surface is connected with fixed block (161) right side surface, handle (171) left side surface is mutually perpendicular and is connected through the mode of electric welding with welding rod (172) right-hand member, handle (171) are connected with baffle (173) through welding rod (172), baffle (173) bottom is connected with external connecting ring (174) upper surface, torque spring (175) embedding is installed in external connecting ring (174) inboard, welding rod (172) left side is equipped with baffle (173) and for the integral structure.