A cervical traction device

Abstract

The present invention discloses a cervical traction device, including: a back neck support; a lower jaw support; a neck shoulder support; a height adjustment device, which includes a height adjustment shell, a lifting support, a first acting component and a second acting component, the first acting component includes a first acting component and a locking component, the first acting component acts on the locking component to change the locking component from a locked state to an unlocked state; the second acting component includes a second acting component and a propulsion component, and the propulsion component is changed from an unlocked state to an ascending propulsion state by toggling the second acting component. Usually, the propulsion component is in an ascending propulsion state by toggling the second acting component; the locking component and the propulsion component can be in an unlocked state by pressing the first acting component, the lower jaw support can be lowered by pressing the height adjustment shell, and the upper jaw support can be raised by pushing the height adjustment shell upward, so that different users' different requirements for speed during height adjustment can be met.

Description

Technical Field

[0001] The invention relates to the technical field of medical care equipment, and in particular to a cervical vertebra traction device. Background Art

[0002] Cervical spondylosis is one of the common diseases of human beings. The cervical spine supports the head above and connects to the trunk below. It is not only the most active part of the spine, but also the most important part of the nerve center. It is also the only way for cardiovascular and cerebrovascular diseases. Once a failure occurs, the consequences are very serious. Cervical traction is one of the means to relieve the main symptoms of cervical spondylosis. Effective traction can relieve the compression of nerves, blood vessels, and spinal cord, and quickly relieve the symptoms of cervical spondylosis. Therefore, cervical traction devices are one of the common devices for treating cervical spondylosis on the market.

[0003] The prior art discloses a cervical traction device, which includes a cervical traction bracket and a height adjustment device, wherein the height adjustment device is connected to the cervical traction bracket and includes a height adjustment knob and a gear rack mechanism, and the gear rack mechanism is driven to move by rotating the height adjustment knob to achieve the lifting and lowering of the cervical traction bracket. However, the above-mentioned cervical traction device has a limited speed when adjusting the height, and cannot meet the different requirements of different users for the speed when adjusting the height. Summary of the invention

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defect that the height adjustment speed of the cervical traction device in the prior art is limited and cannot meet the different requirements of different users for the speed during height adjustment, thereby providing a cervical traction device.

[0005] A cervical traction device, comprising:

[0006] Neck support;

[0007] a chin support connected to the back neck support;

[0008] Neck and shoulder support;

[0009] The height adjustment device comprises a height adjustment shell, a lifting support, a first action component and a second action component, wherein the height adjustment shell is connected to the chin support, the lifting support is passed through the height adjustment shell and connected to the neck and shoulder support, the first action component comprises a first action component and a locking component, the locking component is passed through the lifting support, and the first action component acts on the locking component to change the locking component from a locked state to an unlocked state by pressing the first action component; the second action component comprises a second action component and a propulsion component, the propulsion component is passed through the lifting support, and the propulsion component is changed from an unlocked state to a rising propulsion state by toggling the second action component;

[0010] Among them, when the locking member is in a locked state, the locking member is tilted relative to the lifting support member; when the locking member is in an unlocked state, the locking member is vertically arranged relative to the lifting support member; when the propulsion member is in an unlocked state, the propulsion member is vertically arranged relative to the lifting support member; when the propulsion member is in a rising propulsion state, the propulsion member is tilted relative to the lifting support member.

[0011] Furthermore, the first acting component further comprises a first elastic member, one end of the first elastic member abuts against the locking member and the other end of the first elastic member is fixedly arranged.

[0012] Furthermore, the first acting component further includes a fixed limiting member and an elastic limiting member, and the locking member is located between the fixed limiting member and the elastic limiting member.

[0013] Furthermore, the first acting component also includes a first transmission member, the first acting member has a first inclined surface, the first transmission member has a second inclined surface, the first inclined surface and the second inclined surface cooperate with each other, and the first acting member acts on the locking member through the first transmission member.

[0014] Furthermore, the second acting component further comprises a second elastic member, one end of the second elastic member abuts against the propulsion member and the other end of the second elastic member is fixedly arranged.

[0015] Furthermore, the second acting component further comprises a second transmission member, the second transmission member is fixedly connected to the second acting member, and when the propulsion member is in an unlocked state, the second transmission member is overlapped with the propulsion member.

[0016] Furthermore, it also includes a back neck adjustment device, which includes a back neck adjustment handle, a third transmission member, a positioning member, a first back neck adjustment belt and a second back neck adjustment belt, the first back neck adjustment belt and the second back neck adjustment belt are both connected to the chin support and are located between the positioning member, the back neck adjustment handle is connected to the third transmission member, the third transmission member is passed through a first toothed slideway of the first back neck adjustment belt and a second toothed slideway of the second back neck adjustment belt, and the third transmission member drives the first back neck adjustment belt and the second back neck adjustment belt to move in the opposite direction by rotating the back neck adjustment handle.

[0017] Further, the first toothed slideway includes a plurality of first sub-sliding holes and a first connecting sliding hole, and the plurality of first sub-sliding holes are arranged on the same side of the first connecting sliding hole; the second toothed slideway includes a plurality of second sub-sliding holes and a second connecting sliding hole, and the plurality of second sub-sliding holes are arranged on the same side of the second connecting sliding hole, and the first sub-sliding holes and the second sub-sliding holes are arranged opposite to each other.

[0018] Furthermore, the back neck adjustment device also includes a back neck adjustment connecting piece and a back neck adjustment shell, the back neck adjustment shell is connected to the back neck bracket, the first back neck adjustment belt and the second back neck adjustment belt are passed through the back neck adjustment shell, the back neck adjustment connecting piece is connected to the back neck adjustment handle, and the third transmission piece is provided on the back neck connecting piece.

[0019] Furthermore, it also includes a lower jaw adjustment device, which includes a lower jaw adjustment shell and a lower jaw adjustment mounting piece, the lower jaw adjustment shell is connected to the neck and shoulder support and is provided with a waist-shaped hole, the lifting support piece is passed through the waist-shaped hole, and the lower jaw adjustment mounting piece is connected to the lifting support piece and is located in the lower jaw adjustment shell.

[0020] The technical solution of the present invention has the following advantages:

[0021] 1. A cervical traction device provided by the present invention comprises: a back neck bracket; a lower jaw bracket connected to the back neck bracket; a neck shoulder bracket; a height adjustment device, which comprises a height adjustment shell, a lifting support, a first action component and a second action component, wherein the height adjustment shell is connected to the lower jaw bracket, the lifting support is passed through the height adjustment shell and connected to the neck shoulder bracket, the first action component comprises a first action component and a locking component, the locking component is passed through the lifting support component, and the first action component acts on the locking component by pressing the first action component, so that the locking component changes from a locked state to an unlocked state. state; the second acting component includes a second acting member and a propulsion member, the propulsion member is inserted into the lifting support member, and the propulsion member is changed from an unlocked state to an ascending propulsion state by acting on the second acting member by a toggle; wherein, when the locking member is in the locked state, the locking member is tilted relative to the lifting support member; when the locking member is in the unlocked state, the locking member is vertically arranged relative to the lifting support member; when the propulsion member is in the unlocked state, the propulsion member is vertically arranged relative to the lifting support member; when the propulsion member is in the ascending propulsion state, the propulsion member is tilted relative to the lifting support member. A cervical traction device of this structure is provided with a height adjustment device. When the user uses it, he usually turns the second acting member to put the propulsion member in an ascending propulsion state, thereby realizing the ascent of the height adjustment shell to drive the ascent of the lower jaw support; thereafter, by pressing the first acting member, the locking member and the propulsion member are both in an unlocked state, and the height adjustment shell can be pressed downward to realize the descent of the height adjustment shell to drive the descent of the lower jaw support, and of course, the height adjustment shell can be pushed upward to realize the ascent of the height adjustment shell to drive the ascent of the lower jaw support, wherein the speed of height adjustment by turning the second acting member and the speed of height adjustment by pressing the first acting member are different and will not be restricted, so that the different requirements of different users for the speed of height adjustment can be met.

[0022] 2. A cervical traction device provided by the present invention also includes a back neck adjustment device, which includes a back neck adjustment handle, a third transmission member, a positioning member, a first back neck adjustment belt and a second back neck adjustment belt. The first back neck adjustment belt and the second back neck adjustment belt are both connected to the chin support and located between the positioning members. The back neck adjustment handle is connected to the third transmission member. The third transmission member is passed through the first toothed slideway of the first back neck adjustment belt and the second toothed slideway of the second back neck adjustment belt. By rotating the back neck adjustment handle, the third transmission member drives the first back neck adjustment belt and the second back neck adjustment belt to move in the opposite direction. A cervical traction device with this structure is provided with a back neck adjustment device. By rotating the back neck adjustment handle, the third transmission member drives the first back neck adjustment belt and the second back neck adjustment belt to move closer or farther, thereby adjusting to adapt to the back neck of the user.

[0023] 3. The cervical traction device provided by the present invention also includes a lower jaw adjustment device, which includes a lower jaw adjustment shell and a lower jaw adjustment mounting member, the lower jaw adjustment shell is connected to the neck and shoulder bracket and is provided with a waist-shaped hole, the lifting support member is passed through the waist-shaped hole, and the lower jaw adjustment mounting member is connected to the lifting support member and is located in the lower jaw adjustment shell. A cervical traction device of this structure is provided with a lower jaw adjustment device, and the lifting support member can rotate relative to the lower jaw adjustment mounting member in the waist-shaped hole, that is, shrink or expand, so as to adjust to the user's lower jaw. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 It is a schematic structural diagram of a cervical traction device provided in an embodiment of the present invention;

[0026] Figure 2 for Figure 1 A partial enlarged view of the height adjustment device shown;

[0027] Figure 3 for Figure 2 The height adjustment device shown does not show a partial enlarged view of a portion of the height adjustment housing;

[0028] Figure 4 for Figure 2The height adjustment device shown does not show an enlarged view of a portion of the height adjustment housing;

[0029] Figure 5 for Figure 1 A posterior view of the cervical traction device is shown;

[0030] Figure 6 for Figure 5 An exploded schematic diagram of the rear neck adjustment device shown;

[0031] Figure 7 for Figure 6 The structural schematic diagram of the rear neck adjustment handle shown;

[0032] Figure 8 for Figure 2 The jaw adjustment device shown does not show a partial enlarged view of the jaw adjustment housing;

[0033] Fig. 9 for Figure 2 A bottom view of the jaw adjustment housing is shown;

[0034] Description of reference numerals:

[0035] 1-back neck support, 21-mandibular support body, 22-mandibular support connecting piece, 23-strip hole, 3-neck shoulder support, 4-height adjustment device, 41-height adjustment shell, 411-connecting wall, 412-limiting frame, 413-limiting protrusion, 414-rotating shaft hole, 42-lifting support member, 431-first action member, 4311-first inclined plane, 432-locking member, 433-first elastic member, 434-fixed limiting member, 435-elastic limiting member, 436-first transmission member, 4361-second inclined plane, 441-second action member, 4411-rotating shaft, 442-propelling member, 443-second elastic member, 444-second transmission member, 5 -Back neck adjustment device, 51-back neck adjustment handle, 511-raised mounting portion, 52-third transmission member, 53-positioning member, 54-first back neck adjustment belt, 541-first divided sliding hole, 542-first connecting sliding hole, 543-first mounting connecting hole, 544-first mounting divided hole, 55-second back neck adjustment belt, 551-second divided sliding hole, 552-second connecting sliding hole, 56-back neck adjustment connecting member, 57-back neck adjustment shell, 571-through hole, 572-through hole, 58-positioning mounting member, 6-lower jaw adjustment device, 61-lower jaw adjustment shell, 611-waist-shaped hole, 62-lower jaw adjustment mounting member, 7-inflatable member, 8-through mounting hole. DETAILED DESCRIPTION

[0036] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0040] Example

[0041] like Figures 1 to 9 A cervical traction device shown in the figure comprises a back neck bracket 1, a chin bracket, a neck shoulder bracket 3, a height adjustment device 4, a back neck adjustment device 5 and a chin adjustment device 6. The chin bracket is connected to the back neck bracket 1; the back neck bracket 1 is an airbag sponge pad and is connected to the inflatable member 7. Of course, the back neck bracket 1 can also be a sponge pad or can include an airbag sponge pad and a sponge pad; the chin bracket comprises a chin bracket body 21 and a plurality of chin bracket connectors 22. The chin bracket body 21 can be a sponge pad. The plurality of chin bracket connectors 22 surround the outer side of the chin bracket body 21 and are connected through strip holes 23 and fasteners.

[0042] The height adjustment device 4 in this embodiment includes a height adjustment housing 41, a lifting support 42, a first action component and a second action component. The height adjustment housing 41 is connected to the chin support, and the lifting support 42 is passed through the height adjustment housing 41 and connected to the neck and shoulder support 3. Specifically, the lifting support 42 can be a columnar rod structure.

[0043] like Figures 1 to 4 As shown, the first action component includes a first action member 431, a locking member 432, a first elastic member 433, a fixed limit member 42, an elastic limit member 435 and a first transmission member 436. Specifically, the locking member 432 is disposed through the lifting support member 42, and by pressing the first action member 431, the first action member 431 acts on the locking member 432 so that the locking member 432 changes from a locked state to an unlocked state. When the locking member 432 is in the locked state, the locking member 432 is tilted relative to the lifting support member 42; when the locking member 432 is in the unlocked state, the locking member 432 is vertically disposed relative to the lifting support member 42.

[0044] like Figure 3 As shown, one end of the first elastic member 433 abuts against the locking member 432 and the other end abuts against the connecting wall 411 in the height adjustment housing 41 to achieve a fixed setting, and the locking member 432 is located between the fixed limiting member 42 and the elastic limiting member 435. Among them, the fixed limiting member 42 is fixed in the height adjustment housing 41 and is located above the locking member 432, and one end of the elastic limiting member 435 abuts against the bottom wall of the locking member 432 and the other end abuts against the connecting wall 411 in the height adjustment housing 41. Specifically, the first elastic member 433 can be a spring and is sleeved on the lifting support member 42, the fixed limiting member 42 can be a columnar structure, and the elastic limiting member 435 can be a spring and is located between the limiting protrusions 413 in the height adjustment housing 41.

[0045] As well as Figure 3 and Figure 4 As shown, the first action member 431 has a first inclined surface 4311, and the first transmission member 436 has a second inclined surface 4361 and is located in the limit frame 412 in the height adjustment housing 41. The first inclined surface 4311 and the second inclined surface 4361 cooperate with each other. The first inclined surface 4311 of the first action member 431 drives the second transmission member 444 to move as shown in FIG. Figure 3 The downward movement shown acts on the locking member 432 so that the locking member 432 is in an unlocked state. Specifically, the first acting member 431 can be a button.

[0046] like Figures 1 to 4As shown, the second action component includes a second action member 441, a propeller 442, a second elastic member 443, and a second transmission member 444. Specifically, the rotation shaft 4411 of the second action member 441 is located in the rotation shaft hole 414 of the height adjustment housing 41; the propeller 442 is inserted into the lifting support member 42, and the propeller 442 is changed from the unlocked state to the ascending propulsion state by toggling the second action member 441. When the propeller 442 is in the unlocked state, the propeller 442 is vertically arranged relative to the lifting support member 42; when the propeller 442 is in the ascending propulsion state, the propeller 442 is tilted relative to the lifting support member 42.

[0047] like Figure 3 and Figure 4 As shown, one end of the second elastic member 443 abuts against the propulsion member 442 and the other end abuts against the inner bottom wall of the height adjustment housing 41 to achieve a fixed setting. Specifically, the second elastic member 443 can be a spring and is sleeved on the lifting support member 42. Figure 4 As shown, the second transmission member 444 is fixedly connected to the second action member 441, and when the push member 442 is in the unlocked state, the second transmission member 444 overlaps the push member 442. The second transmission member 444 and the second action member 441 can be integrally formed or separately arranged. For example, when they are separately arranged, the second transmission member 444 has a connecting arm and a pressing arm. The connecting arm of the second transmission member 444 is inserted and fixedly connected to the second action member 441, and the pressing arm of the second transmission member 444 is tilted downward and overlaps the push member 442; and the second action member 441 can be a dial handle.

[0048] like Figures 5 to 7 As shown, the back neck adjustment device 5 includes a back neck adjustment handle 51, a third transmission member 52, a positioning member 53, a first back neck adjustment belt 54, a second back neck adjustment belt 55, a back neck adjustment connecting member 56 and a back neck adjustment housing 57. The first back neck adjustment belt 54 and the second back neck adjustment belt 55 are both connected to the chin support and are located between the positioning members 53, the back neck adjustment handle 51 is connected to the third transmission member 52, and the third transmission member 52 is passed through the first toothed slideway of the first back neck adjustment belt 54 and the second toothed slideway of the second back neck adjustment belt 55. By rotating the back neck adjustment handle 51, the third transmission member 52 drives the first back neck adjustment belt 54 and the second back neck adjustment belt 55 to move in the opposite direction.

[0049] like Figure 6 As shown, the first toothed slideway in this embodiment includes a plurality of first sub-slide holes 541 and a first connecting slide hole 542, and the plurality of first sub-slide holes 541 are arranged on the same side of the first connecting slide hole 542; the second toothed slideway includes a plurality of second sub-slide holes 551 and a second connecting slide hole 552, and the plurality of second sub-slide holes 551 are arranged on the same side of the second connecting slide hole 552, and the first sub-slide holes 541 and the second sub-slide holes 551 are arranged opposite to each other.

[0050] like Figure 5 and Figure 6 As shown, the back neck adjustment shell 57 can be connected to the back neck bracket 1 through Velcro or other connection structures, the first back neck adjustment belt 54 and the second back neck adjustment belt 55 are inserted through the insertion hole 572 of the back neck adjustment shell 57, the back neck adjustment connecting member 56 is connected to the back neck adjustment handle 51 through a fastener, and the back neck connecting member is provided with a third transmission member 52. Specifically, the third transmission member 52 is a columnar structure, and two are symmetrically arranged, the distance between the farthest end of the first divided sliding hole 541 to the farthest end of the first connecting sliding hole 542, the farthest end of the second divided sliding hole 551 to the farthest end of the second connecting sliding hole 552 corresponds to the distance between the farthest ends of the two third transmission members 52, and the adjacent two first divided sliding holes 541, the adjacent two second divided sliding holes 551 and the two third transmission members 52 correspond.

[0051] like Figure 6 As shown, the positioning member 53 is arranged on the positioning mounting member 58, and the positioning mounting member 58 is provided with a recessed accommodating portion, and the third transmission member 52 is located in the recessed accommodating portion; and the back neck adjustment shell 57 is provided with a through hole 571, and the raised mounting portion 511 of the back neck adjustment handle 51 is adapted to limit the rotation of the back neck adjustment handle 51; and the first back neck adjustment belt 54 is provided with a first mounting connection hole 543 and a first mounting sub-hole 544, and a plurality of first mounting sub-holes 544 are respectively extended outside the hole of the first mounting connection hole 543, so that when the first back neck adjustment belt 54 is installed, the first mounting sub-hole 544 provides a deformation amount to the first mounting connection hole 543 for installation; and the second back neck adjustment belt 55 is provided with a second mounting connection hole and a second mounting sub-hole, and a plurality of second mounting sub-holes are respectively extended outside the hole of the second mounting connection hole, so that when the second back neck adjustment belt 55 is installed, the second mounting sub-hole provides a deformation amount to the second mounting connection hole for installation.

[0052] By providing the back neck adjustment device 5 and rotating the back neck adjustment handle 51 , the third transmission member 52 drives the first back neck adjustment belt 54 and the second back neck adjustment belt 55 to move closer or farther, so as to adjust to the back neck of the user.

[0053] like Figure 1 , Figure 8 and Fig. 9As shown, the jaw adjustment device 6 includes a jaw adjustment housing 61 and a jaw adjustment mounting member 62. The jaw adjustment housing 61 can be connected to the neck and shoulder bracket 3 through Velcro or other connection structures and is provided with a waist-shaped hole 611. The lifting support member 42 is passed through the waist-shaped hole 611. The jaw adjustment mounting member 62 is passed through and connected to the lifting support member 42 and is located in the jaw adjustment housing 61. Specifically, the jaw adjustment mounting member 62 is a columnar structure; a through-mounting hole 8 is formed between the jaw adjustment housing 61 and the neck and shoulder bracket 3, and the through-mounting hole 8 is located in the jaw adjustment housing 61 and the jaw adjustment mounting member 62 is located in the through-mounting hole 8.

[0054] By providing the lower jaw adjusting device 6, the lifting support member 42 can rotate relative to the lower jaw adjusting mounting member 62 in the waist-shaped hole 611, that is, shrink inward or expand outward, so as to be adjusted to adapt to the lower jaw of the user.

[0055] A cervical traction device of the present invention is provided with a height adjustment device 4. When the user uses it, he usually moves the second action member 441 several times according to the needs, so that the propulsion member 442 is in an ascending propulsion state, thereby realizing the ascent of the height adjustment shell 41 to drive the ascent of the lower jaw bracket; then, by pressing the first action member 431, the locking member 432 and the propulsion member 442 are both in an unlocked state, and the height adjustment shell 41 can be pressed downward to realize the descent of the height adjustment shell 41 to drive the descent of the lower jaw bracket. Of course, the height adjustment shell 41 can also be pushed upward to realize the ascent of the height adjustment shell 41 to drive the ascent of the lower jaw bracket. The speed of height adjustment by moving the second action member 441 and the speed of height adjustment by pressing the first action member 431 are different and will not be restricted. Therefore, the different needs of different users for the speed of height adjustment can be met.

[0056] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. A cervical traction device, characterized in that: include: Neck support; a chin support connected to the back neck support; Neck and shoulder support; The height adjustment device comprises a height adjustment shell, a lifting support, a first acting component and a second acting component, the lifting support is a columnar rod structure, the height adjustment shell is connected to the chin support, the lifting support is passed through the height adjustment shell and connected to the neck and shoulder support, the first acting component comprises a first acting component and a locking component, the locking component is passed through the lifting support, and the first acting component acts on the locking component to change the locking component from a locked state to an unlocked state by pressing the first acting component; the second acting component comprises a second acting component and a propulsion component, the propulsion component is passed through the lifting support, and the propulsion component is changed from an unlocked state to a rising propulsion state by toggling the second acting component; Wherein, when the locking member is in a locked state, the locking member is tilted relative to the lifting support member; when the locking member is in an unlocked state, the locking member is vertically arranged relative to the lifting support member; when the propulsion member is in an unlocked state, the propulsion member is vertically arranged relative to the lifting support member; when the propulsion member is in an ascending propulsion state, the propulsion member is tilted relative to the lifting support member; The first acting component further includes a first transmission member, the first acting member has a first inclined surface, the first transmission member has a second inclined surface, the first inclined surface and the second inclined surface cooperate, and the first acting member acts on the locking member through the first transmission member; The second action component further comprises a second transmission member, the second transmission member is fixedly connected to the second action member, and when the propulsion member is in an unlocked state, the second transmission member overlaps the propulsion member; By moving the second actuating member, the propulsion member is in an ascending propulsion state, thereby realizing the ascent of the height adjustment shell to drive the ascent of the chin support; by pressing the first actuating member, the locking member and the propulsion member are both in an unlocked state, and the position of the height adjustment shell is adjusted to drive the ascent or descent of the chin support, thereby meeting the different requirements of different users for the speed of height adjustment.

2. A cervical traction device according to claim 1, characterized in that: The first acting component further includes a first elastic member, one end of which abuts against the locking member and the other end of which is fixedly arranged.

3. A cervical traction device according to claim 2, characterized in that: The first acting component further includes a fixed limiting member and an elastic limiting member, and the locking member is located between the fixed limiting member and the elastic limiting member.

4. A cervical traction device according to any one of claims 1 to 3, characterized in that: The second acting component further includes a second elastic member, one end of which abuts against the propulsion member and the other end of which is fixedly arranged.

5. A cervical traction device according to claim 1, characterized in that: It also includes a back neck adjustment device, which includes a back neck adjustment handle, a third transmission member, a positioning member, a first back neck adjustment belt and a second back neck adjustment belt, the first back neck adjustment belt and the second back neck adjustment belt are both connected to the chin support and are located between the positioning members, the back neck adjustment handle is connected to the third transmission member, the third transmission member is passed through a first toothed slideway of the first back neck adjustment belt and a second toothed slideway of the second back neck adjustment belt, and the third transmission member drives the first back neck adjustment belt and the second back neck adjustment belt to move in the opposite direction by rotating the back neck adjustment handle.

6. A cervical traction device according to claim 5, characterized in that: The first toothed slideway includes a plurality of first sub-sliding holes and a first connecting sliding hole, and the plurality of first sub-sliding holes are arranged on the same side of the first connecting sliding hole; the second toothed slideway includes a plurality of second sub-sliding holes and a second connecting sliding hole, and the plurality of second sub-sliding holes are arranged on the same side of the second connecting sliding hole, and the first sub-sliding holes and the second sub-sliding holes are arranged opposite to each other.

7. A cervical traction device according to claim 5, characterized in that: The back neck adjustment device also includes a back neck adjustment connecting piece and a back neck adjustment shell, the back neck adjustment shell is connected to the back neck bracket, the first back neck adjustment belt and the second back neck adjustment belt are passed through the back neck adjustment shell, the back neck adjustment connecting piece is connected to the back neck adjustment handle, and the third transmission piece is provided on the back neck adjustment connecting piece.

8. The cervical traction device according to claim 1, characterized in that: It also includes a lower jaw adjustment device, which includes a lower jaw adjustment shell and a lower jaw adjustment mounting piece. The lower jaw adjustment shell is connected to the neck and shoulder support and is provided with a waist-shaped hole. The lifting support piece is passed through the waist-shaped hole. The lower jaw adjustment mounting piece is connected to the lifting support piece and is located in the lower jaw adjustment shell.

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