Telescopic head supporting plate structure and multifunctional lumbar vertebra rehabilitation equipment applying same

Abstract

The utility model discloses a telescopic head supporting plate structure and multifunctional lumbar vertebra rehabilitation equipment applying the telescopic head supporting plate structure. The telescopic head supporting plate structure comprises a head supporting plate body, a telescopic mechanism and a locking mechanism. The head supporting plate body is arranged on the telescopic mechanism; the locking mechanism is connected with the telescopic mechanism in a matched mode. When the head supporting plate is used, the moving position of the telescopic mechanism is positioned through the locking mechanism, and then the head supporting plate body stretches out and draws back. According to the utility model, the head supporting plate body is connected with the telescopic mechanism, so that the head supporting plate body can be driven by the telescopic mechanism to stretch out and draw back freely; the telescopic mechanism is connected with the locking mechanism, so that the position of the telescopic mechanism can be fixed by the locking mechanism, and the telescopic head supporting plate body is further fixed; the rehabilitation training device can adapt to users of various body types, the use experience of a patient is improved, and the rehabilitation training of the patient is more helpful.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical instruments, and particularly relates to a telescopic head supporting plate structure and a multifunctional lumbar vertebra rehabilitation device applying the same. BACKGROUND

[0002] The lumbar vertebra rehabilitation device is a novel device adopting mechanical transmission, which is widely applied to various symptoms caused by acute and chronic injuries, such as lumbar intervertebral disc herniation, lumbago, radiative leg and foot numbness, walking weakness and leg and foot muscle atrophy, traumatic cervical vertebra fracture, dislocation and dislocation, and the like; the lumbar vertebra rehabilitation device can also be applied to clinical symptoms such as cervical vertebra dizziness, headache and tinnitus, and abnormal blood pressure; generally, a head supporting plate is arranged in the lumbar vertebra rehabilitation device, and the head supporting plate in the existing lumbar vertebra rehabilitation device is fixedly arranged, which is extremely inconvenient for users, and the length of the head supporting plate cannot be adjusted to adapt to users with different body shapes. SUMMARY

[0003] Therefore, the utility model aims to provide a telescopic head supporting plate structure, which solves the problem that the head supporting plate structure in the prior art cannot be telescoped, thereby improving the user experience.

[0004] The utility model also aims to provide a multifunctional lumbar vertebra rehabilitation device applying the telescopic head supporting plate structure.

[0005] In order to achieve the above-mentioned purposes, the technical scheme of the utility model is as follows:

[0006] A telescopic head supporting plate structure, comprising a head supporting plate body, a telescopic mechanism and a locking mechanism; the head supporting plate body is arranged on the telescopic mechanism; the locking mechanism is connected with the telescopic mechanism; during use, the locking mechanism is used to position the moving position of the telescopic mechanism, thereby realizing the telescoping of the head supporting plate body.

[0007] In the above-mentioned scheme, the telescopic mechanism comprises a sliding base plate and a base unit, one end of the head supporting plate body is arranged on the sliding base plate, the other end of the sliding base plate is slidably arranged on the base unit, and the locking mechanism is arranged on the base unit and connected with the sliding base plate.

[0008] In the above-mentioned scheme, the base unit comprises an upper base and a lower base, the upper base and the lower base are connected to form a cavity for accommodating the other end of the sliding base plate, a first sliding groove is arranged on one side of the upper base corresponding to the cavity and one side of the lower base corresponding to the cavity, and a sliding block is arranged on the sliding base plate and connected with the first sliding groove.

[0009] In the above-mentioned scheme, the extension length of the first sliding groove is less than the length of the upper base and the lower base.

[0010] In the above scheme, the locking mechanism comprises a lock tongue, a connecting piece and a locking plate, one end of the lock tongue is rotatably connected with the locking plate through the connecting piece, the other end is connected with the sliding base plate, and the locking plate is fixedly connected with the lower base.

[0011] In the above scheme, a plurality of limiting holes are arranged on the sliding base plate, and a limiting block matched with the limiting hole is arranged on the lock tongue.

[0012] In the above scheme, a lock tongue hole for accommodating one end of the lock tongue is arranged on the locking plate, and a connecting hole for penetrating the connecting piece is arranged on the locking plate at a position corresponding to the lock tongue hole.

[0013] In the above scheme, the telescopic head supporting plate structure further comprises a gasket, and the head supporting plate body is fixedly connected with the sliding base plate through the gasket.

[0014] In the above scheme, the telescopic mechanism comprises a second base unit, a positioning plate, a telescopic shaft and a base, the head supporting plate body is arranged on the base, one end of the telescopic shaft is fixedly connected with the base, and the other end is movably connected with the second base unit, one end of the positioning plate is fixedly connected with the base, and the other end is matched with the second base unit, when adjustment is needed, the locking mechanism is matched with the positioning plate through the second base unit, thereby completing the adjustment of the position of the head supporting plate body.

[0015] In the above scheme, a profiled groove for sliding of the positioning plate is arranged on the second base unit, a clamping part is arranged on the positioning plate, and a second sliding groove matched with the clamping part is arranged in the profiled groove.

[0016] In the above scheme, an axle hole for accommodating the telescopic shaft is further arranged on the second base unit.

[0017] In the above scheme, a locking hole for penetrating the locking mechanism is further arranged on the second base unit, one end of the locking mechanism penetrates the locking hole and is matched with the positioning plate.

[0018] In the above scheme, the locking mechanism is a bolt.

[0019] In the above scheme, the telescopic head supporting plate structure further comprises a gasket, and the head supporting plate body is fixedly connected with the base through the gasket.

[0020] The utility model discloses another technical scheme is realized as follows: A multifunctional lumbar vertebra rehabilitation equipment, including multifunctional lumbar vertebra rehabilitation equipment body and the telescopic head support plate structure, telescopic head support plate structure with multifunctional lumbar vertebra rehabilitation equipment body is connected.

[0021] In the above scheme, the multifunctional lumbar vertebra rehabilitation equipment body further includes a chest and back plate structure, and the telescopic head support plate structure is fixedly connected with the chest and back plate structure.

[0022] Compared with the prior art, the head support plate body can be freely telescoped under the driving of the telescopic mechanism by connecting the head support plate body with the telescopic mechanism; the locking mechanism can fix the position of the telescopic mechanism, so that the telescoped head support plate body is fixed; the utility model can adapt to users of various body types, improve the use experience of patients and be more helpful for the rehabilitation training of patients. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A perspective structural schematic view of the telescopic head support plate structure provided for the utility model embodiment 1 is shown in the figure.

[0024] Figure 2 Another state perspective structural schematic view of the telescopic head support plate provided for the utility model embodiment 1 is shown in the figure.

[0025] Figure 3 An explosion schematic view of the telescopic head support plate provided for the utility model embodiment 1 is shown in the figure.

[0026] Figure 4 An explosion schematic view of the locking mechanism in the telescopic head support plate provided for the utility model embodiment 1 is shown in the figure.

[0027] Figure 5 A perspective structural schematic view of the telescopic head support plate structure provided for the utility model embodiment 2 is shown in the figure.

[0028] Figure 6 Another angle perspective structural schematic view of the telescopic head support plate structure provided for the utility model embodiment 2 is shown in the figure.

[0029] Figure 7 A perspective sectional view of the telescopic head support plate structure provided for the utility model embodiment 2 is shown in the figure.

[0030] Figure 8 A perspective structural schematic view of the locking mechanism in the telescopic head support plate structure provided for the utility model embodiment 2 is shown in the figure.

[0031] Figure 9A stereoscopic structure schematic view of the base in the telescopic head supporting plate structure provided by the embodiment 2 of the utility model;

[0032] Figure 10 A stereoscopic structure schematic view of the second base unit in the telescopic head supporting plate structure provided by the embodiment 2 of the utility model;

[0033] Figure 11 Another angle stereoscopic structure schematic view of the second base unit in the telescopic head supporting plate structure provided by the embodiment 2 of the utility model;

[0034] Figure 12 A stereoscopic structure schematic view of the positioning plate in the telescopic head supporting plate structure provided by the embodiment 2 of the utility model;

[0035] Figure 13 The embodiment 3 of the utility model provides a kind of schematic diagram of the cooperation connection structure of multifunctional lumbar vertebra rehabilitation equipment and telescopic head supporting plate;

[0036] Figure 14 Another schematic diagram of the cooperation connection structure of multifunctional lumbar vertebra rehabilitation equipment and telescopic head supporting plate provided by the embodiment 3 of the utility model.

[0037] In the drawing, 1. head supporting plate body, 2. telescopic mechanism, 21. sliding base plate, 211. sliding block, 212. limit hole, 22. first base unit, 221. upper base, 222. lower base, 223. first sliding groove, 224. second limit slot, 23. second base unit, 231. profiled groove, 232. second sliding groove, 233. locking hole, 234. shaft hole, 24. positioning plate, 241, clamping part, 25. telescopic shaft, 26. base, 3. locking mechanism, 31. lock tongue, 311. limit block, 32. connecting piece, 33. locking plate, 331. connecting hole, 332. lock tongue hole, 333. first limit slot, 4. backing plate, 5. multifunctional lumbar vertebra rehabilitation equipment body. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical scheme and advantage of the utility model more clearly and clearly, the utility model is further described in detail in the following with specific embodiment.It should be understood that the specific embodiment described here is only used to explain the utility model, and is not used to limit the utility model.

[0039] In the description of the utility model, it is necessary to make clear, the term "vertical", "lateral", "longitudinal", "front", "back", "left", "right", "up", "down", "horizontal" and so on indicate the orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model, and it does not mean that the device or element must have the specific orientation or position, therefore can not be understood as the limitation of the utility model. In the description of the utility model, it is necessary to make clear, unless another explicit provision and limitation, the term "installation", "connection", "connect" should be broad sense understanding, for example, can be fixed connection, can be detachable connection, or integrally connected;Can be mechanical connection, can be electrical connection;It can be directly connected, or indirectly connected through the intermediate medium. For ordinary skilled person in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0040] Embodiment 1

[0041] The utility model embodiment 1 provides a telescopic head support plate structure, see Figures 1 to 4 , including head support plate body 1, telescopic mechanism 2 and locking mechanism 3, head support plate body 1 is arranged on telescopic mechanism 2, locking mechanism 3 is connected with telescopic mechanism 2 cooperation, when using, the position of telescopic mechanism 2 is positioned through locking mechanism 3, and then the telescopic head support plate body 1 is realized.

[0042] After adopting the above scheme, the utility model connects head support plate body 1 with telescopic mechanism 2, so that head support plate body 1 can be freely telescopic under the driving of telescopic mechanism 2;The utility model connects telescopic mechanism 2 with locking mechanism 3, so that locking mechanism 3 can fix the position of telescopic mechanism 2, and then the telescopic head support plate body 1 is fixed;The utility model can adapt to various body size users, improve the use experience of patient, and is more helpful to the rehabilitation training of patient.

[0043] See Figures 1 to 3 , in the specific implementation process of the utility model embodiment 1, further, telescopic mechanism 2 includes sliding base plate 21 and first base unit 22, head support plate body 1 is arranged at one end of sliding base plate 21, the other end of sliding base plate 21 is slidably arranged on first base unit 22, and locking mechanism 3 is arranged on first base unit 22 and connected with sliding base plate 21 cooperation. Sliding base plate 21 drives head support plate body 1 to slide relative to first base unit 22, and then realizes telescopic function.

[0044] In the embodiment 1 of the utility model, further, the first base unit 22 comprises an upper base 221 and a lower base 222, the upper base 221 and the lower base 222 are connected to form a cavity for accommodating the other end of the sliding base plate 21, the upper base 221 and the lower base 222 are provided with a first sliding groove 223 on the side corresponding to the cavity, and the sliding base plate 21 is provided with a sliding block 211 connected with the first sliding groove 223. The sliding block 211 slides in the first sliding groove 223, so that the sliding base plate 21 can slide in the cavity.

[0045] Further, the extension length of the first sliding groove 223 is less than the length of the upper base 221 and the lower base 222. In this way, the sliding block 211 and the first sliding groove 223 also play a limiting role, so that the sliding base plate 21 will not fall off the upper base 221 and the lower base 222.

[0046] Referring to Figures 1 to 4 In the embodiment 1 of the utility model, further, the locking mechanism 3 comprises a lock tongue 31, a connecting piece 32 and a locking plate 33, the lock tongue 31 is rotatably connected with the locking plate 33 through the connecting piece 32, and the locking plate 33 is fixedly connected with the lower base 222. The lock tongue 31 is used for fixing the sliding base plate 21; the connecting piece 32 enables the lock tongue 31 to be rotatably connected with the locking plate 33; and the locking plate 33 is fixedly connected with the lower base 222, so that the lock tongue 31 can cooperate with the sliding base plate 21.

[0047] In the embodiment 1 of the utility model, further, the sliding base plate 21 is provided with a plurality of limiting holes 212, and the lock tongue 31 is provided with a limiting block 311 connected with the limiting hole 212. By pressing the lock tongue 31, when the limiting block 311 is separated from the limiting hole 212, the base plate 21 can slide in the first sliding groove 223 through the sliding block 211, so as to realize the extension and contraction of the head supporting plate body 1; when the limiting block 311 is inserted into the limiting hole 212, the sliding base plate 21 cannot slide in the first sliding groove 223 through the sliding block 211, so as to realize the fixation of the head supporting plate body 1.

[0048] Referring to Figure 4 In the embodiment 1 of the utility model, further, the locking plate 33 is provided with a lock tongue hole 332 for accommodating one end of the lock tongue 31; and the locking plate 33 is provided with a connecting hole 331 for penetrating the connecting piece 32 at the position corresponding to the lock tongue hole 332. The connecting piece 32 can rotate only when penetrating the connecting hole 331, so as to enable the lock tongue 31 to be rotatably connected with the locking plate 33 through the connecting piece 32.

[0049] The utility model embodiment 1 in the specific implementation process, further, the first limit slot 333 is provided on the position of locking plate 33 close to the limiting block 311, the second limit slot 224 is provided on the position of lower base 222 close to the limiting block 311, when the limiting block 311 is contained in the limit hole 212, the limiting block 311 is located in the first limit slot 333 and the second limit slot 224.

[0050] Referring to Figure 3 , the utility model embodiment 1 in the specific implementation process, further, the telescopic head support plate structure still includes the backing plate 4, and the head support plate body 1 is fixedly connected with the sliding base plate 21 through the backing plate 4. The backing plate 4 is used for increasing the relative height of the head support plate body 1, so that the experience of the user is better.

[0051] The utility model embodiment 1 provides a telescopic head support plate structure, and the working principle is as follows:

[0052] Firstly, referring to Figures 1 to 4 , the limiting block 311 is separated from the limit hole 212, and the limiting block 311 is separated from the first limit slot 333 and the second limit slot 224, then the sliding base plate 21 is pulled to be telescopic, the sliding block 211 is slid in the first sliding slot 223, the sliding base plate 21 is slid in the cavity formed by the upper base 221 and the lower base 222, and then the position of the head support plate body 1 is changed. When the telescopic length is adjusted, the latch 31 is released, the limiting block 311 is connected with the limit hole 212, the limiting block 311 is located in the first limit slot 333 and the second limit slot 224, and the telescopic and fixing processes of the head support plate body 1 are completed.

[0053] Embodiment 2

[0054] The utility model embodiment 2 provides a telescopic head support plate structure, referring to Figures 5 to 12 , including head support plate body 1, telescopic mechanism 2 and locking mechanism 3, the head support plate body 1 is arranged on telescopic mechanism 2, locking mechanism 3 is connected with telescopic mechanism 2 cooperation, when using, the locking mechanism 3 is positioned to the moving position of telescopic mechanism 2, and then realizes the telescopic of head support plate body 1.

[0055] After the above scheme is adopted, the utility model connects the head support plate body 1 with telescopic mechanism 2, so that the head support plate body 1 can be telescopic under the driving of telescopic mechanism 2. The utility model connects telescopic mechanism 2 with locking mechanism 3, so that the position of telescopic mechanism 2 can be fixed by locking mechanism 3, and then the telescopic head support plate body 1 is fixed. The utility model can be adapted to users of various body shapes, improve the use experience of patients, and help the rehabilitation training of patients more.

[0056] Referring toFigures 5 to 12 In the embodiment 2 of the utility model, further, the telescopic mechanism 2 includes a second base unit 23, a positioning plate 24, a telescopic shaft 25 and a base 26, the head supporting plate body 1 is arranged on the base 26, one end of the telescopic shaft 25 is fixedly connected with the base 26, and the other end is movably connected with the second base unit 23; one end of the positioning plate 24 is fixedly connected with the base 26, and the other end is movably connected with the second base unit 23; when adjustment is needed, the locking mechanism 3 is movably connected with the positioning plate 24 through the second base unit 23, and then the position of the head supporting plate body 1 is adjusted. The positioning plate 24 is used for positioning the position of the head supporting plate body 1, and the positioning plate 24 and the second base unit 23 are movably connected, and the telescopic shaft 25 is prevented from sliding out of the second base unit 23. The telescopic shaft 25 is movably connected with the second base unit 23, so that the position of the head supporting plate body 1 can be adjusted. The base 26 is used for fixing the telescopic shaft 25 and the head supporting plate body 1.

[0057] In the embodiment 2 of the utility model, further, the second base unit 23 is provided with a profiled groove 231 for sliding of the positioning plate 24, the positioning plate 24 is provided with a clamping part 241, and the profiled groove 231 is provided with a second sliding groove 232 matched with the clamping part 241. The profiled groove 231 enables the positioning plate 24 to slide on the second base unit 23; the clamping part 241 and the second sliding groove 232 are matched to prevent the positioning plate 24 from falling when the positioning plate 24 is extended, that is, the clamping part 241 is used for limiting.

[0058] In the embodiment 2 of the utility model, further, the second base unit 23 is provided with a profiled groove 231 for sliding of the positioning plate 24, the positioning plate 24 is provided with a clamping part 241, and the profiled groove 231 is provided with a second sliding groove 232 matched with the clamping part 241. The profiled groove 231 enables the positioning plate 24 to slide on the second base unit 23; the clamping part 241 and the second sliding groove 232 are matched to prevent the positioning plate 24 from falling when the positioning plate 24 is extended, that is, the clamping part 241 is used for limiting. Figure 10 Figure 11 In the embodiment 2 of the utility model, further, the second base unit 23 is provided with an axle hole 234 for accommodating the telescopic shaft 25.

[0059] In the embodiment 2 of the utility model, further, the second base unit 23 is provided with a locking hole 233 for the locking mechanism 3, and one end of the locking mechanism 3 passes through the locking hole 233 and is movably connected with the positioning plate 24.

[0060] Further, the locking mechanism 3 is a bolt.

[0061] Further, the locking mechanism 3 in the embodiment 2 of the utility model is a plum blossom bolt, which is more convenient to use.

[0062] In the embodiment 2 of the utility model, further, the telescopic head supporting plate structure further includes a backing plate 4, and the head supporting plate body 1 is fixedly connected with the base 26 through the backing plate 4. The backing plate 4 is used for increasing the relative height of the head supporting plate body 1 and improving the experience of a user. Figures 5 to 12 Further, the locking mechanism 3 in the embodiment 2 of the utility model is a plum blossom bolt, which is more convenient to use.​

[0063] The working principle of the retractable head support structure provided in Embodiment 2 of this utility model is as follows:

[0064] First, see Figures 5 to 12 Rotate the locking mechanism 3 to separate it from the positioning plate 24; then pull the base 26 to slide the telescopic shaft 25 in the shaft hole 234, while the positioning plate 24 slides in the forming groove 231 under the drive of the base 26, thereby causing the locking member 241 to slide in the second sliding groove 232; after the head support plate body 1 is adjusted to the appropriate position, rotate the locking mechanism 3 in the opposite direction to connect the locking mechanism 3 with the positioning plate 24, thereby fixing the position of the head support plate body 1 and completing the telescopic and fixing process of the head support plate body 1.

[0065] Example 3

[0066] This utility model provides a multifunctional lumbar spine rehabilitation device in embodiment 3. See also Figure 13 and Figure 14 The device includes a multifunctional lumbar rehabilitation equipment body 5, such as the retractable headrest structure in Embodiment 1 or Embodiment 2, which is connected to the multifunctional lumbar rehabilitation equipment body 5.

[0067] See Figure 5 The present invention provides a multifunctional lumbar spine rehabilitation device in embodiment 3. Furthermore, the multifunctional lumbar spine rehabilitation device body 5 also includes a thoracic back plate structure, and a retractable head support structure is fixedly connected to the thoracic back plate structure.

[0068] By applying the retractable headrest structure in Embodiment 1 or Embodiment 2 to existing lumbar rehabilitation equipment, the problem of poor user experience caused by the inability of the headrest structure to extend or retract in the prior art can be solved.

[0069] In summary, this invention connects the headrest body 1 to the sliding base plate 21, allowing the headrest body 1 to freely extend and retract under the action of the slider 211 and the first base unit 22. It also connects the lower base 222 to the locking plate 33, allowing the limiting block 311 to fix the position of the sliding base plate 21, thereby fixing the extended and retracted headrest body 1. This invention is adaptable to users of various body types, improving the user experience and providing greater assistance for rehabilitation training.

[0070] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A retractable head rest structure, characterized by, The utility model provides a headrest plate body (1), telescopic mechanism (2) and locking mechanism (3), the headrest plate body (1) sets up on telescopic mechanism (2), locking mechanism (3) with telescopic mechanism (2) cooperation connects, when using, through locking mechanism (3) to the mobile position of telescopic mechanism (2) is positioned, further realizes the telescoping of headrest plate body (1).

2. A telescopic head rest plate structure according to claim 1, wherein The telescopic mechanism (2) includes a sliding base plate (21) and a first base unit (22), the headrest plate body (1) is arranged at one end of the sliding base plate (21), the other end of the sliding base plate (21) is slidably arranged on the first base unit (22), and the locking mechanism (3) is arranged on the first base unit (22) and connected with the sliding base plate (21).

3. A telescopic headboard structure according to claim 2, wherein The first base unit (22) includes an upper base (221) and a lower base (222), the upper base (221) and the lower base (222) are connected to form a cavity for accommodating the other end of the sliding base plate (21), a first sliding groove (223) is arranged on one side of the upper base (221) corresponding to the cavity and one side of the lower base (222) corresponding to the cavity, and a sliding block (211) is arranged on the sliding base plate (21) and connected with the first sliding groove (223); the extension length of the first sliding groove (223) is less than the length of the upper base (221) and the lower base (222).

4. A telescopic headboard structure according to claim 3, wherein The locking mechanism (3) includes a locking tongue (31), a connecting piece (32) and a locking plate (33), one end of the locking tongue (31) is rotatably connected with the locking plate (33) through the connecting piece (32), the other end is connected with the sliding base plate (21), and the locking plate (33) is fixedly connected with the lower base (222).

5. A telescopic headboard structure according to claim 4, wherein A plurality of limiting holes (212) are arranged on the sliding base plate (21), and a limiting block (311) is arranged on the locking tongue (31) and connected with the limiting holes (212).

6. A telescopic head rest plate structure according to claim 4 or 5, wherein A locking tongue hole (332) is arranged on the locking plate (33) for accommodating one end of the locking tongue (31), and a connecting hole (331) is arranged on the locking plate (33) corresponding to the position of the locking tongue hole (332) for penetrating the connecting piece (32).

7. A telescopic headboard structure according to claim 5, wherein A first limiting groove (333) is arranged on the locking plate (33) close to the limiting block (311), a second limiting groove (224) is arranged on the lower base (222) close to the limiting block (311), and when the limiting block (311) is accommodated in the limiting hole (212), the limiting block (311) is located in the first limiting groove (333) and the second limiting groove (224).

8. The telescoping headboard structure of claim 1, wherein, The telescopic mechanism (2) comprises a second base unit (23), a positioning plate (24), a telescopic shaft (25) and a base (26), the head support plate body (1) is arranged on the base (26), one end of the telescopic shaft (25) is fixedly connected with the base (26), and the other end is movably connected with the second base unit (23); one end of the positioning plate (24) is fixedly connected with the base (26), and the other end is movably connected with the second base unit (23); when adjustment is needed, the locking mechanism (3) is movably connected with the positioning plate (24) through the second base unit (23), so that the position of the head support plate body (1) is adjusted.

9. A telescopic headboard structure according to claim 8, wherein The second base unit (23) is provided with a profiled groove (231) for sliding of the positioning plate (24), the positioning plate (24) is provided with a clamping part (241), and the profiled groove (231) is provided with a second sliding groove (232) matched with the clamping part (241); the second base unit (23) is further provided with a locking hole (233) for penetrating the locking mechanism (3), and one end of the locking mechanism (3) penetrates the locking hole (233) and is movably connected with the positioning plate (24).

10. A multi-functional lumbar rehabilitation apparatus, characterized by, The multifunctional lumbar vertebra rehabilitation device body (5) and the telescopic head support plate structure as claimed in any one of claims 2-9 are connected.

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