CN210251001U

CN210251001U - Spring piece type trampoline

Info

Publication number: CN210251001U
Application number: CN201920845194.3U
Authority: CN
Inventors: 姜金根
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-04-07
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses an elastic piece type trampoline, which comprises a bedstead, an underframe, an elastic piece, a first triangular seat, a second triangular seat, a propeller strut, a first lead screw, a first ratchet wheel and a first pedal; the bottom of the bedstead is provided with a cross beam, the cross beam is sleeved with a sheath, and the sheath is hinged on the underframe; two ends of the elastic sheet are respectively connected with the bedstead and the underframe; the first triangular seat and the second triangular seat are arranged on the underframe in an inclined surface fitting manner; the first lead screw is in threaded connection with the bottom frame, one end of the first lead screw is hinged with the shifting piece, the other end of the first lead screw is provided with a first ratchet wheel, and the free end of the shifting piece abuts against the second triangular seat. The utility model discloses a shell fragment formula trampoline is with the middle part fulcrum of propeller strut as the shell fragment, utilizes the position of the height of two three-angle seat cooperation first lead screws regulation propeller strut and horizontal direction, changes the summit of propeller strut and the contact position of shell fragment, can also change the initial shape of shell fragment simultaneously, reaches the purpose of adjusting shell fragment elasticity, and then realizes the elasticity regulation of trampoline.

Description

Spring piece type trampoline

Technical Field

The utility model relates to the field of articles for daily use, especially, relate to a shell fragment formula trampoline.

Background

The trampoline is a bed with an elastic effect, can be used as a rest for common bed workers and also can be used as an entertainment tool, and brings fun to daily life of people.

The trampoline in the prior art is mainly characterized in that a plurality of springs are arranged below a trampoline surface to provide elastic force, and the size of the elastic force is determined by the parameters of the springs and the number of the springs; once a trampoline of the prior art is produced, the spring force is not adjustable, which makes it difficult to provide a user with a versatile comfort experience.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an elasticity adjustable trampoline in order to adapt to single or many people's application, improves trampoline's travelling comfort.

In order to solve the technical problem, the utility model discloses a technical scheme does: an elastic piece type trampoline comprises a bedstead, an underframe, an elastic piece, a first triangular seat, a second triangular seat, a herringbone frame, a first screw rod, a first ratchet wheel and a first pedal;

the bottom of the bedstead is provided with a cross beam, the cross beam is sleeved with a sheath, and the sheath is hinged on the underframe; the bed frame is generally provided with a steel rope and an adjustable backrest;

two ends of the elastic sheet are respectively connected with the bedstead and the underframe;

the first triangular seat and the second triangular seat are arranged on the underframe in an inclined surface fitting manner, and the second triangular seat is arranged on the first triangular seat;

the herringbone frame is arranged on the second triangular seat, and the top of the herringbone frame props against the elastic sheet;

the first lead screw is in threaded connection with the underframe, one end of the first lead screw is hinged with the shifting sheet, the other end of the first lead screw is provided with a first ratchet wheel, and the free end of the shifting sheet is propped against the second triangular seat;

the first pedal is hinged to the underframe and provided with two movable pawls, and the first pedal drives the first ratchet wheel and the first screw rod to rotate through the pawls; the first lead screw drives the second triangular seat to move along the inclined plane through the shifting piece, so that the contact position of the top point of the propeller strut and the elastic piece is changed, the initial shape of the elastic piece can be changed, and the purpose of adjusting the elasticity of the elastic piece is achieved.

Furthermore, a trunnion is arranged at the top of the propeller strut, a long groove is formed in the elastic sheet, the trunnion is embedded in the long groove, and the trunnion and the long groove are used for limiting the moving direction and the moving range of the propeller strut.

Furthermore, wing plates positioned on two sides of the second triangular seat are arranged on the underframe, guide grooves are formed in the wing plates, guide rods are arranged on the second triangular seat and embedded into the guide grooves, and the second triangular seat moves under the limit of the guide grooves.

Furthermore, the elastic piece type trampoline further comprises a second lead screw, a third lead screw, a second pedal and a second ratchet wheel, wherein the second lead screw and the third lead screw are respectively in threaded connection with two support legs of the propeller strut, the two support legs of the propeller strut are hinged at the top point, the thread turning directions of the outer surfaces of the second lead screw and the third lead screw are opposite, the second lead screw and the third lead screw are coaxial, an extension rod of the second lead screw penetrates through the third lead screw, the tail end of the third lead screw is provided with an internal thread, the tail end of the second lead screw is provided with an external thread, and the external thread of the second lead screw is staggered with the internal thread of the third lead screw; the second ratchet wheel is sleeved at the tail end of the second lead screw, a transmission sleeve is arranged on the second ratchet wheel, internal threads and external threads are arranged on the transmission sleeve, and the external threads and the internal threads of the transmission sleeve can be respectively meshed with the external threads of the third lead screw and the internal threads of the second lead screw; two movable pawls are arranged on the second pedal, and the second pedal drives the second ratchet wheel to rotate through the pawls;

the left-right translation transmission sleeve can enable the transmission sleeve to reach three states of being engaged with the second lead screw, being engaged with the third lead screw and being engaged with the second lead screw and the third lead screw simultaneously, so that the transmission sleeve can realize three functions: the second lead screw is driven to rotate, the third lead screw is driven to rotate, and the second lead screw and the third lead screw are driven to rotate simultaneously; the vertical angles of the two support legs of the propeller strut can be changed through the rotation of the second lead screw and the third lead screw, the contact position of the top point of the propeller strut and the elastic sheet is adjusted, the initial shape of the elastic sheet can be changed, and the purpose of adjusting the elasticity of the elastic sheet is achieved.

Furthermore, a supporting plate is hinged to the bottom frame and located below the second pedal, a torsion spring is arranged at the hinged position of the supporting plate and the bottom frame, a tongue piece is hinged to the supporting plate, and a ratchet bar is fixedly mounted on the bottom frame; the user erects the backup pad and can the fixed support board be in vertical state all the time with the tongue piece support on the ratchet, and when the backup pad erects, the second footboard will be in the horizontality, and first driving shaft and second driving shaft collineation realize the transmission between first driving shaft and the second driving shaft.

Further, shell fragment formula trampoline still includes the pivot, is provided with first gear in the pivot, is provided with the rack on the crossbeam, and the rack meshes with first gear, can drive crossbeam and whole bedstead back-and-forth movement through rotatory pivot.

Furthermore, the elastic piece type trampoline also comprises a first driving shaft, a second driving shaft, a shell, a chain wheel set and a final chain wheel;

the shell is arranged on an extension plate of the second triangular seat, a bearing is arranged in the shell, a cross shaft is arranged in an inner ring of the bearing, one end of the first driving shaft is hinged to the cross shaft, the other end of the first driving shaft is inserted into the second pedal, and the first driving shaft can swing up and down along with the second pedal; meanwhile, a third ratchet wheel and a third pedal are mounted on the first driving shaft, and the third pedal drives the third ratchet wheel and the first driving shaft to rotate;

the second driving shaft is fixedly connected to an inner ring of the bearing, the first driving shaft can drive the second driving shaft to rotate through the inner ring of the bearing, the second driving shaft drives the final chain wheel to rotate through the chain wheel group, and the final chain wheel is installed on the rotating shaft;

furthermore, a second gear is fixedly installed on the rotating shaft, an internal gear capable of being meshed with the second gear is arranged inside the final chain wheel, a toggle pin shaft and a first spring are respectively installed on the two sides of the final chain wheel of the rotating shaft, and the toggle pin shaft is connected with the pull rope; the final chain wheel can be controlled to move transversely on the rotating shaft through the pull rope, and after an inner gear of the final chain wheel is meshed with the second gear, the final chain wheel can drive the rotating shaft to rotate synchronously; when the inner gear of the final-stage chain wheel is separated from the second gear, the final-stage chain wheel and the rotating shaft do not have a transmission relation.

Furthermore, the bottom of the bed frame is provided with a safety post, and a second spring is arranged inside the safety post.

Furthermore, a ratchet wheel structure capable of adjusting the height of the second spring is arranged in the safety post.

Has the advantages that: (1) the utility model discloses a shell fragment formula trampoline is with the middle part fulcrum of propeller strut as the shell fragment, utilizes the position of the height of two three-angle seat cooperation first lead screws regulation propeller strut and horizontal direction, changes the summit of propeller strut and the contact position of shell fragment, can also change the initial shape of shell fragment simultaneously, reaches the purpose of adjusting shell fragment elasticity, and then realizes the elasticity regulation of trampoline. (2) The utility model discloses an elastic piece formula trampoline designs the herringbone frame for articulated formula structure, utilizes to revolve to two stabilizer blades that the herringbone frame was adjusted respectively to opposite second lead screw and third lead screw, has realized further accurate regulation and control to shell fragment elasticity, is favorable to improving trampoline's travelling comfort. (3) The utility model discloses a shell fragment formula trampoline utilizes pivot, first gear and rack to realize the back-and-forth movement of bedstead, and convenience of customers freely adjusts the concrete position of bedstead. (4) The utility model discloses a trampoline disposes safety post and second spring under the bedstead, even the load that the bedstead bore surpasss the buffering limit of shell fragment and also can receive safety protection, has improved trampoline's security.

Drawings

Fig. 1 is a structural view of a leaf spring trampoline according to example 1.

Fig. 2 is a structural view (hidden frame) of the elastic sheet type trampoline according to embodiment 1.

Fig. 3 is a structural view (hidden bottom frame, wing plate) of the elastic sheet trampoline according to example 1.

Fig. 4 is an enlarged view a of fig. 3.

Fig. 5 is an enlarged view B of fig. 3.

Fig. 6 is a sectional view of the second lead screw and the third lead screw in embodiment 1.

FIG. 7 is a structural view of a rotary shaft and a cross member in embodiment 1.

Fig. 8 is an enlarged view C of fig. 7.

Fig. 9 is another perspective view of fig. 8.

FIG. 10 is a view showing the structure of the mounting plate in accordance with embodiment 1.

Fig. 11 is a sectional view of the second lead screw and the third lead screw in embodiment 1 (second state).

Fig. 12 is a sectional view of the second lead screw and the third lead screw in embodiment 1 (third state).

Wherein: 1. a bed frame; 101. a cross beam; 2. a chassis; 3. a spring plate; 301. a long groove; 4. a first triangular seat; 5. a second triangular seat; 501. a guide rod; 6. a herringbone frame; 601. a trunnion; 7. a first lead screw; 8. a first ratchet wheel; 9. a first pedal; 10. a second lead screw; 11. a third lead screw; 12. a second pedal; 13. a second ratchet wheel; 14. a support plate; 15. a rotating shaft; 16. a first drive shaft; 17. a second driving shaft; 18. a housing; 19. a final sprocket; 20. a sheath; 21. a first gear; 22. a rack; 23. a second gear; 24. an internal gear; 25. shifting the pin shaft; 26. a first spring; 27. pulling a rope; 28. a safety post; 29. a second spring; 30. a wing plate; 3001. a guide groove; 31. a transmission sleeve; 32. a tongue piece; 33. a ratchet bar; 34. a bearing; 35. a third ratchet wheel; 36. a third pedal; 37. a shifting sheet.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Example 1

As shown in fig. 1 to 10, the elastic piece type trampoline of the present embodiment includes a bed frame 1, a bottom frame 2, an elastic piece 3, a first triangle base 4, a second triangle base 5, a herringbone frame 6, a first lead screw 7, a first ratchet 8, a first pedal 9, a second lead screw 10, a third lead screw 11, a second pedal 12, a second ratchet 13, a support plate 14, a rotating shaft 15, a first driving shaft 16, a second driving shaft 17, a housing 18, a chain wheel set and a final chain wheel 19;

as shown in fig. 7 to 9, the frame 1 is provided with a wire and an adjustable backrest; the bottom of the bedstead 1 is provided with a cross beam 101, the cross beam 101 is sleeved with a sheath 20, and the sheath 20 is hinged on the underframe 2; the rotating shaft 15 is arranged on the sheath 20, the rotating shaft 15 is provided with a first gear 21, the cross beam 101 is provided with a rack 22, the rack 22 is meshed with the first gear 21, and the cross beam 101 and the whole bedstead 1 can be driven to move back and forth by rotating the rotating shaft 15; a second gear 23 is fixedly arranged on the rotating shaft 15, an inner gear 24 which can be meshed with the second gear 23 is arranged inside the final chain wheel 19, a toggle pin shaft 25 and a first spring 26 are respectively arranged on two sides of the final chain wheel 19 of the rotating shaft 15, and the toggle pin shaft 25 is connected with a pull rope 27; the final chain wheel 19 can be controlled to move transversely on the rotating shaft 15 through the pull rope 27, and after the internal gear 24 of the final chain wheel 19 is meshed with the second gear 23, the final chain wheel 19 can drive the rotating shaft 15 to rotate synchronously; when the internal gear 24 of the final-stage sprocket 19 is separated from the second gear 23, the final-stage sprocket 19 is no longer in a transmission relationship with the rotating shaft 15; in order to facilitate the operation of the rotating shaft 15, a hand crank is disposed at one end of the rotating shaft 15.

Two ends of the elastic sheet 3 are respectively connected with the bedstead 1 and the underframe 2;

a safety post 28 is arranged at the bottom of the bedstead 1, a second spring 29 is arranged inside the safety post 28, and a ratchet structure capable of adjusting the height of the second spring 29 is arranged in the safety post 28;

the first triangular seat 4 and the second triangular seat 5 are arranged on the underframe 2 in a way of being attached in an inclined plane, and the second triangular seat 5 is arranged on the first triangular seat 4; the first lead screw 7 is in threaded connection with the underframe 2, one end of the first lead screw 7 is hinged with a shifting sheet 37, the other end of the first lead screw is provided with a first ratchet wheel 8, and the free end of the shifting sheet 37 props against the second triangular seat 5; the first pedal 9 is hinged to the underframe 2, two movable pawls are arranged on the first pedal 9, the first pedal 9 drives the first ratchet wheel 8 and the first lead screw 7 to rotate through the pawls, the first lead screw 7 axially translates, the first lead screw 7 drives the shifting sheet 37 to synchronously translate, the second triangular seat 5 is further driven to obliquely move along the inclined plane, the contact position of the vertex of the herringbone frame 6 and the elastic sheet 3 is further changed, and meanwhile, the initial shape of the elastic sheet 3 can also be changed;

the propeller strut 6 is arranged on the second triangular seat 5, the propeller strut 6 comprises two supporting legs which are hinged with each other, and the top of the propeller strut 6 props against the elastic sheet 3; the top of the propeller strut 6 is provided with a trunnion 601, the elastic sheet 3 is provided with a long groove 301, the trunnion 601 is embedded in the long groove 301, and the trunnion 601 and the long groove 301 are used for limiting the moving direction and range of the propeller strut 6.

Wing plates 30 positioned at two sides of a second triangular seat 5 are arranged on the underframe 2, guide grooves 3001 are arranged on the wing plates 30, guide rods 501 are arranged on the second triangular seat 5, and the guide rods 501 are embedded in the guide grooves 3001;

as shown in fig. 4 to 6, the second lead screw 10 and the third lead screw 11 are respectively in threaded connection with two support legs of the propeller strut 6, the two support legs of the propeller strut 6 are hinged at the vertex, the thread turning directions of the outer surfaces of the second lead screw 10 and the third lead screw 11 are opposite, the second lead screw 10 and the third lead screw 11 are coaxial, the extension rod of the second lead screw 10 passes through the third lead screw 11, the tail end of the third lead screw 11 is provided with an internal thread, the tail end of the second lead screw 10 is provided with an external thread, and the external thread of the second lead screw 10 is staggered with the internal thread of the third lead screw 11; the second ratchet wheel 13 is sleeved at the tail end of the second lead screw 10, a transmission sleeve 31 is arranged on the second ratchet wheel 13, an internal thread and an external thread are arranged on the transmission sleeve 31, and the external thread and the internal thread of the transmission sleeve 31 can be respectively meshed with the external thread of the third lead screw 11 and the internal thread of the second lead screw 10; two movable pawls are arranged on the second pedal 12, and the second pedal 12 drives the second ratchet wheel 13 to rotate through the pawls;

as shown in fig. 6, translating the driving sleeve 31 left and right can make the driving sleeve 31 achieve three states of engaging with the second lead screw 10, engaging with the third lead screw 11, and simultaneously engaging with the second lead screw 10 and the third lead screw 11, so that the driving sleeve 31 can achieve three functions: the second lead screw 10 is driven to rotate, the third lead screw 11 is driven to rotate, and the second lead screw 10 and the third lead screw 11 are driven to rotate simultaneously; the rotation of the second lead screw 10 and the third lead screw 11 can change the vertical angle of two support legs of the propeller strut 6, so that the contact position of the vertex of the propeller strut 6 and the elastic sheet 3 is adjusted, and meanwhile, the initial shape of the elastic sheet 3 can be changed, and the purpose of adjusting the elasticity of the elastic sheet 3 is achieved.

As shown in fig. 10, the supporting plate 14 is hinged on the chassis 2, the supporting plate 14 is located below the second pedal 12, a torsion spring is arranged at the hinged position of the supporting plate 14 and the chassis 2, a tongue piece 32 is hinged on the supporting plate 14, and a ratchet bar 33 is fixedly installed on the chassis 2; the user can fix the support plate 14 in the vertical state all the time by erecting the support plate 14 and supporting the tongue piece 32 on the ratchet bar 33; when the supporting plate 14 is erected, the second pedal 12 is in a horizontal state, and the first driving shaft 16 and the second driving shaft 17 are collinear, so that transmission between the first driving shaft 16 and the second driving shaft 17 is realized.

As shown in fig. 5, the housing 18 is mounted on the extension plate of the second triangle base 5, a bearing 34 is arranged in the housing 18, a cross shaft is arranged in the inner ring of the bearing 34, one end of the first driving shaft 16 is hinged on the cross shaft, the other end is inserted into the second pedal 12, and the first driving shaft 16 can swing up and down along with the second pedal 12; meanwhile, a third ratchet wheel 35 and a third pedal 36 are arranged on the first driving shaft 16, and the third pedal 36 drives the third ratchet wheel 35 and the first driving shaft 16 to rotate;

the second driving shaft 17 is fixedly connected to the inner ring of the bearing 34, the first driving shaft 16 can drive the second driving shaft 17 to rotate through the inner ring of the bearing 34, the second driving shaft 17 drives the final chain wheel 19 to rotate through a chain wheel set, and the final chain wheel 19 is installed on the rotating shaft 15.

As shown in fig. 3, the elastic piece 3 type trampoline of this embodiment mainly relies on the elastic pieces 3 to provide a buffer for the bed frame 1, wherein the elastic force of the elastic pieces 3 is adjusted by the contact position of the vertex of the herringbone frame 6 and the elastic pieces 3, and the adjusting means includes two types:

the first means is as follows: the first pedal 9 is trampled or swung to enable the first lead screw 7 to rotate, and due to the threaded connection between the first lead screw 7 and the underframe 2, the first lead screw 7 drives the shifting piece 37 to move horizontally, and the shifting piece 37 drives the second triangular seat 5 to move along the inclined plane, so that the position of the top point of the propeller strut 6 is changed;

the second means: the second pedal 12 is trampled or swung, so that the second lead screw 10 and/or the third lead screw 11 are/is rotated, the two support legs of the propeller strut 6 are driven to move left and right, and the position of the top point of the propeller strut 6 is changed; wherein the second pedal 12 drives the driving sleeve 31 shown in fig. 6 to rotate, and the position of the driving sleeve 31 determines the rotation of the second lead screw 10 and the third lead screw 11; when the driving sleeve 31 is in the position shown in fig. 6, the second lead screw 10 rotates with the driving sleeve 31; when the driving sleeve 31 is in the position shown in fig. 11, the second lead screw 10 and the third lead screw 11 rotate simultaneously with the driving sleeve 31; when the driving sleeve 31 is in the position of fig. 12, the third threaded spindle 11 rotates with the driving sleeve 31.

Although the embodiments of the present invention have been described in the specification, these embodiments are only for the purpose of presentation and should not be construed as limiting the scope of the present invention. Various omissions, substitutions, and changes may be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a shell fragment formula trampoline which characterized in that: comprises a bedstead, an underframe, an elastic sheet, a first triangular seat, a second triangular seat, a herringbone frame, a first screw rod, a first ratchet wheel and a first pedal;

the bottom of the bedstead is provided with a cross beam, the cross beam is sleeved with a sheath, and the sheath is hinged on the underframe;

first footboard articulates on the chassis, sets up two movable pawls on the first footboard, and first footboard passes through the rotation of first ratchet of pawl drive and first lead screw.

2. The leaf spring trampoline of claim 1, wherein: a trunnion is arranged at the top of the propeller strut, a long groove is formed in the elastic sheet, and the trunnion is embedded into the long groove.

3. The leaf spring trampoline of claim 1, wherein: wing plates positioned on two sides of the second triangular seat are arranged on the underframe, guide grooves are formed in the wing plates, guide rods are arranged on the second triangular seat, and the guide rods are embedded into the guide grooves.

4. The leaf spring trampoline of claim 1, wherein: the propeller strut is characterized by further comprising a second lead screw, a third lead screw, a second pedal and a second ratchet wheel, wherein the second lead screw and the third lead screw are respectively in threaded connection with two support legs of the propeller strut, the two support legs of the propeller strut are hinged at the top point, the thread turning directions of the outer surfaces of the second lead screw and the third lead screw are opposite, the second lead screw and the third lead screw are coaxial, an extension rod of the second lead screw penetrates through the third lead screw, the tail end of the third lead screw is provided with an internal thread, the tail end of the second lead screw is provided with an external thread, and the external thread of the second lead screw is staggered with the internal thread of the third; the second ratchet wheel is sleeved at the tail end of the second lead screw, a transmission sleeve is arranged on the second ratchet wheel, internal threads and external threads are arranged on the transmission sleeve, and the external threads and the internal threads of the transmission sleeve can be respectively meshed with the external threads of the third lead screw and the internal threads of the second lead screw; two movable pawls are arranged on the second pedal, and the second pedal drives the second ratchet wheel to rotate through the pawls.

5. The leaf spring trampoline of claim 1, wherein: the chassis is hinged with a supporting plate, the supporting plate is positioned below the second pedal, a torsional spring is arranged at the hinged position of the supporting plate and the chassis, the supporting plate is hinged with a tongue piece, and the chassis is fixedly provided with a ratchet bar.

6. The leaf spring trampoline of claim 1, wherein: the rack-type beam steering device is characterized by further comprising a rotating shaft, wherein a first gear is arranged on the rotating shaft, a rack is arranged on the beam, and the rack is meshed with the first gear.

7. The leaf spring trampoline of claim 6, wherein: the chain wheel assembly further comprises a first driving shaft, a second driving shaft, a shell, a chain wheel set and a final chain wheel;

the shell is arranged on an extension plate of the second triangular seat, a bearing is arranged in the shell, a cross shaft is arranged in an inner ring of the bearing, one end of the first driving shaft is hinged to the cross shaft, the other end of the first driving shaft is inserted into the second pedal, a third ratchet wheel and a third pedal are arranged on the first driving shaft, and the third pedal drives the third ratchet wheel to rotate;

the second driving shaft is fixedly connected to an inner ring of the bearing, the second driving shaft drives the final chain wheel to rotate through the chain wheel set, and the final chain wheel is installed on the rotating shaft.

8. The leaf spring trampoline of claim 7, wherein: the rotating shaft is fixedly provided with a second gear, an internal gear which can be meshed with the second gear is arranged inside the final chain wheel, the rotating shaft is respectively provided with a poking pin shaft and a first spring on two sides of the final chain wheel, and the poking pin shaft is connected with the pull rope.

9. The leaf spring trampoline of claim 1, wherein: the safety pole is installed to the bottom of bedstead, and the inside of safety pole is provided with the second spring.

10. The trampoline of claim 9, wherein: and a ratchet wheel structure capable of adjusting the height of the second spring is arranged in the safety post.