CN206965062U

CN206965062U - A kind of table tennis teaching servicing unit

Info

Publication number: CN206965062U
Application number: CN201720887099.0U
Authority: CN
Inventors: 蒋浩; 孙宇岸; 邬建卫
Original assignee: Chengdu University of Traditional Chinese Medicine
Current assignee: Chengdu University of Traditional Chinese Medicine
Priority date: 2017-07-20
Filing date: 2017-07-20
Publication date: 2018-02-06
Anticipated expiration: 2027-07-20

Abstract

The utility model discloses a kind of table tennis teaching servicing unit, belongs to sports apparatus field, including base, expansion link, workbench, and one end of the expansion link is connected with base rotation, and the other end of expansion link and the bottom surface of workbench connect；Also include table tennis emitter, the bottom of the table tennis emitter and one end of motion bar are connected, and the other end of motion bar and the top surface of workbench are hinged；Also include screw mandrel, the top surface of the screw mandrel and workbench, bottom surface are connected by bearing, one end of screw mandrel is connected through bench top with drive device, the sliding block being adapted with screw mandrel is set with screw mandrel, sliding block is located in workbench, the side of sliding block is connected with supporting plate, and one end of supporting plate and one end of connecting rod are connected, and the other end and the motion bar of connecting rod are hinged；The utility model is simple in construction, can carry out the service of multi-angle, has the function that to strengthen the posture that user swings the bat, while can also add the study enjoyment of user.

Description

A kind of table tennis teaching servicing unit

Technical field

It the utility model is related to sports apparatus field, more particularly to a kind of table tennis teaching servicing unit.

Background technology

Table tennis is a kind of ball sports project of world pop, and People's Republic of China's national ball game, table tennis Be one based on craftsmenship, the Skill and method project supplemented by body physical efficiency quality, originating from Britain, table tennis one originates from 1900, in the area such as China's Mainland, Hong Kong and Macao using table tennis as its official name, the training process of table tennis In, it is necessary to many teaching servicing units be used, to help user preferably to be practised.

Traditional table tennis teaching servicing unit, it is impossible to the service of multi-angle is carried out, without good angular adjustment Function, the person of being not convenient to use strengthens the posture oneself swung the bat, and ball needs to reclaim, and the training effect of user greatly reduces in this Fruit, reduce the study enjoyment of user, waste the substantial amounts of time.Therefore, traditional table tennis teaching servicing unit does not have Good practice effect, it is impossible to the use of convenient use person, it is also not safe and reliable enough, without good regulatory function and do not have There is good stability.

Utility model content

The utility model aims to provide a kind of table tennis teaching servicing unit, for solving existing table tennis teaching auxiliary dress Put the problem of can not adjusting ball launch angle.

To reach above-mentioned purpose, the technical solution adopted in the utility model is as follows：A kind of table tennis teaching servicing unit, bag Base, expansion link, workbench are included, one end of the expansion link is connected with base rotation, the other end of expansion link and workbench Bottom surface connects；Also include table tennis emitter, the bottom of the table tennis emitter and one end of motion bar connect, activity The other end of bar and the top surface of workbench are hinged；Also include screw mandrel, the top surface of the screw mandrel and workbench, bottom surface pass through bearing Connection, one end of screw mandrel are connected through bench top with drive device, and the sliding block being adapted with screw mandrel is set with screw mandrel, sliding Block is located in workbench, and the side of sliding block is connected with supporting plate, and one end of supporting plate and one end of connecting rod connect, connecting rod The other end is hinged through bench top with motion bar, and the other end of the supporting plate is connected one end of bar, fix bar The side wall of the other end through workbench is located at outside workbench, and the other end of fix bar connects table tennis, workbench by connecting line Side wall is provided with the second notch for being used for fix bar motion.

The table tennis emitter includes housing, pulling plug, stop device and percussion lock, the bottom connection activity of housing One end of bar, the top of housing are opened wide, and transmitting spring, fixed block, opposing sidewalls of the fixed block along housing are provided with housing Linear slide, one end connection housing bottom of the transmitting spring, launches spring other end connection fixing block；The one of the pulling plug End be connected through housing sidewall with fixed block, and the pulling plug other end be located at outside housing, and housing sidewall is provided with the moved for pulling plug One notch, the first notch is parallel to fixed block glide direction；The stop device includes retaining spring, scotch and stop hole, The side wall that the fixed block contacts with housing is provided with groove, one end connecting groove bottom of retaining spring, and retaining spring is another One end of end connection scotch, stop hole are located at housing sidewall, and stop hole is adapted with scotch, and stop hole is used for scotch The other end passes through and fixes the scotch；The percussion lock include shell, trigger shaft, the percussion spring in shell with Baffle plate, the shell are connected with housing exterior walls, and the one end for firing spring is connected with housing exterior walls, fire the other end and gear of spring The one side contact of plate, one end of the trigger shaft are set in percussion spring, and the trigger shaft other end is located at through baffle plate with shell Outside shell, trigger shaft is connected with baffle plate, and shell is used to constrain baffle plate, and trigger shaft is adapted with stop hole, stop axially bored line, percussion Axle of spring, percussion rod axis overlap.

Preferably, the scotch, retaining spring, trigger shaft are each perpendicular to housing sidewall.

Preferably, the groove distance fixed block distance from bottom is less than distance of the pulling plug apart from fixed block bottom, described to stop Dynamic pitch-row is from the distance with a distance from housing bottom less than the first notch apart from housing bottom.

Preferably, the supporting plate is perpendicular to screw mandrel, and connecting rod is parallel to screw mandrel.

Further, the base is cavity structure, and expansion link is connected with base by bearing, and the is set with outside expansion link One bevel gear, the first bevel gear are located in base cavity pocket, and first bevel gear is meshed with second bevel gear, second bevel gear It is connected with one end of drive link, the other end of drive link is connected with rotational handle through base side wall.

Preferably, the scotch is cylinder, and the drift of retaining spring is less than the depth of groove, the length of scotch Degree and retaining spring drift sum are more than the spacing between bottom portion of groove and housing exterior walls.

Preferably, the pulling plug, stop device, percussion lock are equipped with two, and two pulling plugs, two stop devices are right What is claimed is symmetrically located at the both sides of housing located at the both sides of fixed block, two percussion locks.

Preferably, the opposing sidewalls of the housing are equipped with fixed plate, and the fixed block is described along fixed plate linear slide First notch, stop hole run through the fixed plate.

Further, the inwall of the fixed plate is provided with chute, and the side wall of fixed block is provided with what is be adapted with the chute Projection, the chute are adapted with scotch.

Preferably, the percussion spring is compression spring.

Further, after firing spring-compressed, one end of the trigger shaft passes through the stop hole.

Preferably, the transmitting spring has two, and two transmitting springs are symmetrically located at the both sides of fixed block bottom.

Preferably, the bottom portion of groove is equipped with two retaining springs, and the other end of two retaining springs is and scotch One end connection.

Preferably, shown housing is rectangular aperture housing, and the fixed block is rectangular shaped slider；Certainly, the fixed block can To be piston, fixed plate is then cylinder with housing.

The beneficial effects of the utility model are：

1st, table tennis emitter by motion bar and bench top be hinged, screw mandrel and workbench are connected by bearing, Sliding block is set with screw mandrel, sliding block is connected by one end of supporting plate and connecting rod, the connecting rod other end is set with what motion bar was hinged Put, sliding block can drive motion bar luffing angle to change when moving, adjust the launch angle of table tennis emitter, energy Enough enable a user to carry out real ball exercise, greatly add the training effect of user, the service of multi-angle can be carried out, Add the study enjoyment of user so that the device has good angle regulating function；

2nd, one end of the other end of supporting plate and fix bar connects, and the other end of fix bar connects through workbench and connecting line Connect, and the bottom of connecting line is connected with table tennis, and user can carry out exercise of swinging the bat, and the height of table tennis can pass through Expansion link is adjusted, and is easy to user to strengthen the posture oneself swung the bat, and ball does not have to recovery, has saved the substantial amounts of time so that The device has good practice effect；

3rd, expansion link and base are rotatablely connected by bearing, and the surface that expansion link is located at the part in base cavity pocket is set with First bevel gear, the side of base is provided with drive link, and one end of drive link is located in base cavity pocket, one end of drive link The second bevel gear being used in combination with first bevel gear is connected with, the other end of drive link is connected with rotational handle；Use Person can be to table tennis emitter service direction be adjusted；

4th, the setting of pulling plug, the first notch, and stop device, the setting of percussion lock；Beneficial to table tennis emitter Reuse, what user can be calmly launches table tennis by percussion lock；

5th, fixed plate, the chute in fixed plate, the projection on fixed block and chute are adapted with scotch Setting, beneficial to fixed block keep the direction of motion, be also beneficial to scotch slip, effectively fixed block and scotch can be entered Row is oriented to.

Brief description of the drawings

Fig. 1 is the utility model structure diagram；

Fig. 2 is the sectional view that the utility model launches emitter after spring-compressed；

Fig. 3 is the sectional view of emitter when the utility model transmitting spring is uncompressed；

Fig. 4 is the enlarged drawing of structure at A in the utility model Fig. 2；

Fig. 5 is the enlarged drawing of structure at B in the utility model Fig. 3；

Fig. 6 is the utility model stop device structural representation；

Fig. 7 is the utility model understructure schematic diagram；

Fig. 8 is the utility model driving device structure schematic diagram.

In figure：1- expansion links, 2- bases, 3- workbench, 4- motion bars, 5- drive devices, 6- motors, 7- screw mandrels, 8- are slided Block, 9- supporting plates, 10- connecting rods, 11- housings, 12- fixed plates, 13- stop holes, 14- trigger shafts, 15- transmittings spring, 16- are solid Determine block, 17- pulling plugs, 18- grooves, 19- scotch, 20- first bevel gears, 21- drive links, 22- second bevel gears, 23- shells, 24- baffle plates, 25- retaining springs, 26- fix bars, 27- connecting lines, 28- percussion springs.

Embodiment

In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing, to this reality It is further elaborated with new.

As shown in figure 1, a kind of table tennis teaching servicing unit, including base 2, expansion link 1, workbench 3, the expansion link 1 one end is rotatablely connected with base 2, and the other end of expansion link 1 is connected with the bottom surface of workbench 3；Also include table tennis transmitting dress Put, the table tennis emitter is hinged by the top surface of motion bar 4 and workbench 3；As shown in figure 8, also include screw mandrel 7, institute State the top surface of screw mandrel 7 and workbench 3, bottom surface is connected by bearing, the top surface and driving of one end of screw mandrel 7 through workbench 3 Device 5 is connected, and drive device 5 includes motor 6, and the sliding block 8 being adapted with screw mandrel 7 is set with screw mandrel 7, and the side of sliding block 8 connects Be connected to supporting plate 9, supporting plate 9 is respectively positioned in workbench 3 perpendicular to screw mandrel 7, sliding block 8 with supporting plate 9, one end of supporting plate 9 with One end connection of connecting rod 10, the top surface of the other end through the workbench 3 of connecting rod 10 is be hinged with motion bar 4, and connecting rod 10 is flat Row is in screw mandrel 7；The other end of the supporting plate 9 is connected one end of bar 26, and the other end of fix bar 26 is through workbench 3 Side wall is simultaneously located at outside workbench 3, and the other end of fix bar 26 is connected with table tennis by connecting line 27, and the side wall of workbench 3 is set There is the second notch moved for fix bar 26.

As shown in figures 2-6, the table tennis emitter includes housing 11, pulling plug 17, stop device and percussion lock, institute It is rectangular housing to state housing 11, and one end of the bottom connection motion bar 4 of housing 11, the top of housing 11 is opened wide, set in housing 11 There are transmitting spring 15, fixed block 16, two opposing sidewalls linear slides of the fixed block 16 along housing 11, the transmitting spring The bottom of 15 one end connection housing 11, launches the other end connection fixing block 16 of spring 15, and the transmitting spring 15 is provided with two Individual, two transmitting springs 15 are symmetrical arranged.

One end of the pulling plug 17 is connected through the side wall of housing 11 with the top of fixed block 16, the other end position of pulling plug 17 In outside housing 11, being additionally provided with the first notch for the motion of pulling plug 17 in the side wall of housing 11, first notch is parallel to solid Determine the glide direction of block 16, the notch of pulling plug 17 and first is equipped with two, and two pulling plugs 17 are symmetrically located at the both sides of housing 11, Two the first notches are symmetrically in the side wall of housing 11.

The stop device has two, and two stop devices are symmetrically arranged on the both sides of fixed block 16, each stop device All include scotch 19, stop hole 13 and two retaining springs 25, in two side walls that the fixed block 16 contacts with housing 11 It is all provided with fluted 18, the groove 18 is located at the bottom of fixed block 16, and groove 18 is cylindrical hole, one end of two retaining springs 25 The bottom of groove 18 is all connected with, two retaining springs 25 are vertically arranged, and the other end of two retaining springs 25 is all connected with stop The end face of block 19, scotch 19 are cylinder, and stop hole 13 is located at the side wall of housing 11, and the side wall is to slide to connect with fixed block 16 The side wall connect, stop hole 13 are adapted with scotch 19, and the other end that stop hole 13 is used for scotch 19 passes through and is used to fix The scotch 19.

The percussion lock is used to fire the stop device, and percussion lock also has two, and two percussion locks are symmetrical The both sides of housing 11 are arranged on, percussion lock includes shell 23, trigger shaft 14, percussion spring 28 and baffle plate in shell 23 24, the shell 23 is connected with the outer wall of housing 11, and one end of percussion spring 28 is connected with the outer wall of housing 11, fires spring 28 The other end contacted with the one side of baffle plate 24, one end of the trigger shaft 14 is set in percussion spring 28, trigger shaft 14 it is another One end is located at outside shell 23 through baffle plate 24 and shell 23, the other end of trigger shaft 14, and outer wall and the baffle plate 24 of trigger shaft 14 connect Connect, the shell 23 is made up of two L-type plates, and the shell 23 that two L-type plates are formed is used to constrain baffle plate 24, and trigger shaft 14 is with stopping Dynamic hole 13 is adapted, and the axis of stop hole 13, the axis for firing spring 28, the axis of trigger shaft 14 overlap, and trigger shaft 14 is vertical In the side wall of housing 11.The percussion spring 28 is compression spring, after percussion spring 28 is compressed, the one of the trigger shaft 14 End can pass through the stop hole 13, and scotch 19 is released from stop hole 13.

The drift of the retaining spring 25 is less than the depth of groove 18, length and the retaining spring 25 of scotch 19 Drift sum is more than the spacing between the bottom of groove 18 and the outer wall of housing 11.

The opposing sidewalls of the housing 11 are equipped with fixed plate 12, and the fixed block 16 is along the linear slide of fixed plate 12, institute State the first notch, stop hole 13 and run through the fixed plate 12.

The inwall of the fixed plate 12 is provided with chute, and the side wall of fixed block 16 is provided with the projection being adapted with the chute, The chute is adapted with scotch 19.

As shown in fig. 7, the base 2 is cavity structure, expansion link 1 is connected with base 2 by bearing, the overcoat of expansion link 1 Equipped with first bevel gear 20, the first bevel gear 20 is located in the cavity of base 2, first bevel gear 20 and second bevel gear 22 It is meshed, second bevel gear 22 is connected with one end of drive link 21, and the side wall of the other end through the base 2 of drive link 21 is connected with Rotational handle.

In use, a kind of table tennis teaching servicing unit of the present utility model can be placed on table tennis table by user Suitable position, after placing, the gesture swung the bat can be practised by the table tennis that connecting line 27 connects, and can pass through Expansion link 1 is practised to adjust the height of table tennis.

When needing to carry out real ball exercise, housing 11 that table tennis first can be passed through table tennis emitter by user Ball is put into by upper opening, then by pulling downward on pulling plug 17, after pulling plug 17 moves downward and then drives fixed block 16 to transport downwards It is dynamic, then drive the table tennis entered inside housing 11 to move downward, at this moment launch spring 15 and be pressed down against and there is elastic force, when Fixed block 16 is moved downwardly to after appropriate position, and the scotch 19 of the both sides of fixed block 16 will be in the effect of retaining spring 25 Under enter in the stop hole 13 in fixed plate 12 and the side wall of housing 11, at this moment fixed block 16 will be because scotch 19 be by card Blocked accordingly in stop hole 13；Then user's can presses hitting for the percussion lock on the outer wall of housing 11 Bar 14 is sent out, trigger shaft 14 overcomes the elastic force of percussion spring 28, and one end of trigger shaft 14 can extrude the scotch inside stop hole 13 19, when scotch 19 is extruded stop hole 13 by trigger shaft 14, now stop device fails, and the elastic force of transmitting spring 15 will band Dynamic fixed block 16 moves upwards along the chute in fixed plate 12, and so as to which table tennis be ejected, user can be carried out real ball Exercise.

When user need adjust service direction when, that is, need adjust table tennis emitter towards when, make User can drive the rotation of drive link 21 by rotational handle, and then pass through second bevel gear 22 and the band of first bevel gear 20 Dynamic expansion link 1 rotates the direction for carrying out adjustment work platform 3, accordingly, the direction of the table tennis emitter on workbench 3 It can change；Also, user can also may be used by the flexible auxiliary adjustment that carries out of expansion link 1.

When needing that the angle of service is adjusted, at this moment user's can starts motor 6, and motor 6 can drive silk The rotation of bar 7, and then drive the sliding block 8 being sleeved on screw mandrel 7 to move up and down, sliding block 8 drives the up and down motion of supporting plate 9, from And the up and down motion of connecting rod 10 is driven, at this moment connecting rod 10 will promote motion bar 4 to carry out elevating movement, this completes Regulation to ball launch angle.

Certainly, the utility model can also have other various embodiments, without departing substantially from the utility model spirit and its essence In the case of, those skilled in the art can make various corresponding changes and deformation, but these phases according to the utility model The change and deformation answered should all belong to the scope of the claims appended by the utility model.

Claims

A kind of 1. table tennis teaching servicing unit, it is characterised in that：It is described including base (2), expansion link (1), workbench (3) One end of expansion link (1) is rotatablely connected with base (2), and the other end of expansion link (1) is connected with the bottom surface of workbench (3)；Also wrap Include table tennis emitter, one end of the bottom connection motion bar (4) of the table tennis emitter, motion bar (4) it is another The top surface with workbench (3) is held to be hinged；Also include screw mandrel (7), the top surface of the screw mandrel (7) and workbench, bottom surface pass through axle Connection is held, one end of screw mandrel (7) is connected through workbench (3) top surface with drive device (5), is set with screw mandrel (7) and screw mandrel (7) sliding block (8) being adapted, the side of sliding block (8) are connected with supporting plate (9), and sliding block (8) is respectively positioned on work with supporting plate (9) In platform (3), one end of supporting plate (9) is connected with one end of connecting rod (10), and the other end of connecting rod (10) passes through workbench (3) Top surface and motion bar (4) it is be hinged, the other end of the supporting plate (9) is connected one end of bar (26), fix bar (26) The other end passes through the side wall of workbench (3) and is located at workbench (3) outside, and the other end of fix bar (26) is connected with connecting line (27), connecting line (27) is used to connect table tennis, and workbench (3) side wall is provided with the second notch for being used for fix bar (26) motion.
A kind of 2. table tennis teaching servicing unit according to claim 1, it is characterised in that：The table tennis emitter Including housing (11), pulling plug (17), stop device and percussion lock, the bottom of housing (11) is connected with one end of motion bar (4), The top of housing (11) is opened wide, and is provided with transmitting spring (15) and fixed block (16) in housing (11), and the fixed block (16) is along shell The opposing sidewalls linear slide of body (11), the bottom of one end connection housing (11) of the transmitting spring (15), launches spring (15) other end connection fixing block (16)；One end of the pulling plug (17) is connected through housing (11) side wall with fixed block (16), Pulling plug (17) other end is located at housing (11) outside, and housing (11) side wall, which is provided with, is used for the first notch that pulling plug (17) moves, and first Glide direction of the notch parallel to fixed block (16)；The stop device includes retaining spring (25), scotch (19) and stop Hole (13), the side wall that the fixed block (16) contacts with housing (11) are provided with groove (18), one end of retaining spring (25) with The bottom connection of groove (18), one end of the other end connection scotch (19) of retaining spring (25), stop hole (13) are located at shell Body (11) side wall, stop hole (13) are adapted with scotch (19), and the other end that stop hole (13) is used for scotch (19) passes through And the fixed scotch (19)；The percussion lock includes shell (23), trigger shaft (14), the percussion spring in shell (28) it is connected with baffle plate (24), the shell (23) with housing (11) outer wall, one end and the housing (11) of percussion spring (28) Outer wall is connected, and the other end of percussion spring (28) is contacted with the one side of baffle plate (24), and one end of the trigger shaft (14) is set in Fire in spring (28), the other end of trigger shaft (14) through baffle plate (24) and shell (23) and is located at shell (23) outside, percussion Bar (14) is connected with baffle plate (24), and the shell (23) is used to constrain baffle plate (24), and trigger shaft (14) is mutually fitted with stop hole (13) Match somebody with somebody, the axis of stop hole (13), the axis of percussion spring (28), the axis of trigger shaft (14) overlap.
A kind of 3. table tennis teaching servicing unit according to claim 1, it is characterised in that：Drive device (5) bag Include motor (6).
A kind of 4. table tennis teaching servicing unit according to claim 1, it is characterised in that：The supporting plate (9) is vertical In screw mandrel (7), connecting rod (10) is parallel to screw mandrel (7).
A kind of 5. table tennis teaching servicing unit according to claim 1, it is characterised in that：The base (2) is cavity Structure, expansion link (1) are connected with base (2) by bearing, are set with first bevel gear (20) outside expansion link (1), and described first Bevel gear (20) is located in the cavity of base (2), and first bevel gear (20) is meshed with second bevel gear (22), second bevel gear (22) one end with drive link (21) is connected, and the side wall of the other end through the base (2) of drive link (21) is connected with rotational handle.
A kind of 6. table tennis teaching servicing unit according to claim 2, it is characterised in that：The scotch (19) is Cylinder, the drift of retaining spring (25) are less than the depth of groove (18), the length and retaining spring of scotch (19) (25) drift sum is more than the spacing between the bottom of groove (18) and the outer wall of housing (11).
A kind of 7. table tennis teaching servicing unit according to claim 2, it is characterised in that：The pulling plug (17), stop Device, percussion lock are equipped with two, and two pulling plugs (17), two stop devices are symmetrically located at the two of fixed block (16) Side, two percussion locks are symmetrically located at the both sides of housing (11).
A kind of 8. table tennis teaching servicing unit according to claim 2 or 7, it is characterised in that：The housing (11) Opposing sidewalls are equipped with fixed plate (12), and the fixed block (16) is along fixed plate (12) linear slide, first notch, stop The fixed plate (12) is run through in hole (13).
A kind of 9. table tennis teaching servicing unit according to claim 8, it is characterised in that：The inwall of fixed plate (12) is set There is chute, the side wall of fixed block (16) is provided with the projection being adapted with the chute, and chute is adapted with scotch (19).