CN115607398A - Lateral position head fender bracket - Google Patents

Abstract

The invention discloses a lateral position head protection frame which comprises a support bracket and an installation frame, wherein the installation frame is arranged on one side of the support bracket, and a constraint component extending to the upper part of the support bracket is fixed above the installation frame; the restraint assembly comprises a rectangular square frame-shaped sliding frame which extends longitudinally, two groups of L-shaped support plates which are longitudinally matched with the sliding frame in a sliding mode are symmetrically arranged on the front side and the rear side of the inner side of the sliding frame, restraint plates with tops bent towards the direction close to each other are fixed on the opposite sides of the two groups of support plates, a screw rod penetrating through the sliding frame is rotatably arranged in the middle of the sliding frame, and two ends of the screw rod penetrate through the sliding frame and are fixed with knobs. Has the advantages that: the patient is supported to keep a stable lateral position by arranging the two groups of restraint plates as the support structures which are respectively tightly propped against the front side and the rear side of the trunk of the patient, medical staff do not need to manually support the trunk of the patient, and the labor amount in the operation process is reduced.

Description

Lateral position head fender bracket

Technical Field

The invention relates to the field of medical facilities, in particular to a lateral position head protection frame.

Background

The lateral position is a clinical commonly-used operation body position, is commonly used in surgical operations such as neurosurgery, urological surgery, thoracic surgery, has the advantage that the operation field of vision exposes fully, the operation of the doctor of being convenient for, because part patient trunk is in the anesthesia state in the operation process, patient's muscle is lax relatively, trunk position backbone and each size joint support protection are not enough, need medical personnel to assist the patient and keep the lateral position in the operation process.

The applicant finds that at least the following technical problems exist in the prior art: for keeping patient's attitude stable among the current lateral position operation process, need medical personnel to stand respectively and support back, head and abdomen portion in operation table both sides, prevent that the health slope from rocking, and medical personnel manually support patient's health for a long time and operate comparatively difficultly, and medical personnel working strength is big, is difficult to ensure patient's health steady for a long time.

Disclosure of Invention

The invention aims to solve the above problems and provide a lateral position head protection frame, wherein two groups of restriction plates are arranged as support structures which respectively support the front side and the rear side of the trunk of a patient to support the patient and keep the stable lateral position state, so that medical staff is not required to manually support the trunk of the patient, and the labor amount in the operation process is reduced.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides a lateral position head protection frame which comprises a support bracket and an installation frame, wherein the installation frame is arranged on one side of the support bracket, and a restraint assembly extending to the upper part of the support bracket is fixed above the installation frame;

the restraint assembly comprises a rectangular square frame-shaped sliding frame extending longitudinally, two groups of L-shaped support plates which are in longitudinal sliding fit with the sliding frame are symmetrically arranged on the front and back of the inner side of the sliding frame, restraint plates with the tops bent towards the approaching direction are fixed on the opposite sides of the two groups of support plates, a screw penetrating out of the sliding frame is rotatably arranged in the middle of the sliding frame, two ends of the screw penetrate out of the sliding frame and are fixed with knobs, two groups of external threads with opposite rotation directions are symmetrically arranged at two ends of the screw on the inner side of the sliding frame, and the screw penetrates through the support plates and is in threaded fit with the support plates through the external threads.

When the lateral position head protection frame is used for keeping a patient in a lateral position to perform an anesthesia operation, the patient is kept in a lateral position on the upper side of the support bracket, the knob is rotated to drive the screw rod to rotate, two groups of external threads with opposite rotation directions on the screw rod are utilized to drive two groups of support plates to slide towards the direction close to each other, and then two groups of constraint plates on the opposite sides of the two groups of support plates are adjusted to be in a state of being flush with the front side and the rear side of the trunk of the patient; meanwhile, the self weight of the patient presses the supporting layer downwards, the supporting layer pushes downwards a plurality of groups of pressing plates to drive the springs to compress, and meanwhile, the piston plate moves downwards so as to press air in the air cylinder into the air box, so that the air pressure in the air box is increased; then the head of the patient is inserted into a C-shaped frame-shaped positioning frame, a handle is rotated to drive an operating rod to rotate, the operating rod and the positioning frame are matched through threads to support the clamping plate to move down to a state of tightly abutting against one side of the head of the patient, the head of the patient is supported by the inner bottom side of the positioning frame at the moment, the positioning frame is pressed to drive a transfer cavity to move down, a movable shaft and a gas collecting pipe synchronously move down, an elastic belt sleeved between a fixed shaft and the movable shaft is pulled to extend, meanwhile, an inner hole of the transfer cavity synchronously moves down to a state of being communicated with an outer hole, high-pressure air in an air box enters an air bag along the gas collecting pipe, the transfer cavity, the inner hole, the outer hole, a gas pipe joint and a gas guide pipe, so that the air bag is expanded to further abut against the front side and the back side of the trunk of the patient, and further clamping and keeping of a restraining component on the lateral horizontal position of the patient is achieved.

Preferably, the support bracket comprises a hollow air box with an opening at the top, a top cover is arranged at the opening at the top side of the air box in a sealed manner, a sealing hole is transversely penetrated at one side of the air box close to the mounting rack, and a plurality of groups of air cylinders are densely distributed at the top side of the top cover.

Preferably, the inflator is a hollow cylinder structure which is vertically communicated, the bottom end of the inflator penetrates through the top cover and is communicated with the air box, a supporting rod extending out of the inflator is vertically arranged on the inner side of the top end of the inflator, a piston disc is fixed at the bottom end of the supporting rod, and the piston disc is matched with the inflator to form a piston structure.

Preferably, the vaulting pole top is fixed with the pressure disk, the pressure disk below is fixed with the cover and locates the outside spring of inflator, the compression stroke of spring is less than inflator length, the top cap top is provided with the cladding in the multiunit the bearing layer in the pressure disk outside, this bearing layer top side corresponds the pressure disk equipartition and has multiunit slipmat, the bearing layer front and back side all is fixed in through the fix with rivet of the horizontal equipartition of multiunit the top cap is outside.

Preferably, the mounting bracket is far away from support bracket one side is provided with the centre gripping subassembly, just the mounting bracket top is fixed with the auxiliary assembly who supports the centre gripping subassembly, the auxiliary assembly includes that the rectangle square frame form of vertical extension holds the frame, and the equal longitudinal penetration in side has the outer bore around should holding the frame middle part, just it keeps away from to hold the frame support bracket one side is transversely through the waist type poroid guide way that has vertical extension, the guide way top hold the frame external fixation and have the fixed axle of horizontal extension.

Preferably, the clamping assembly comprises a positioning frame arranged above the accommodating frame, the positioning frame is a C-shaped frame body with a backward opening, an extending groove longitudinally penetrates through the front surface of the positioning frame, a clamping plate is arranged on the inner side of the positioning frame, and an extending block which penetrates into the extending groove and is in vertical sliding fit with the extending groove is fixed on the front surface of the clamping plate.

Preferably, a vertically extending operating rod is rotatably fitted to the center of the top of the clamping plate, the operating rod vertically penetrates through the top side of the positioning frame, the operating rod is in threaded fit with the positioning frame, and a disk-shaped grip is fixed to the top end of the operating rod.

Preferably, a hollow transfer cavity is fixed to the top of the positioning frame, the transfer cavity extends into the interior of the accommodating frame and is in vertical sliding fit with the accommodating frame, inner holes longitudinally penetrate through the front side and the rear side of the transfer cavity, the inner holes and the outer holes are distributed in a staggered mode, a gas collecting pipe is arranged on one side, far away from the supporting bracket, of the transfer cavity, and a circular tube-shaped movable shaft is transversely communicated between the gas collecting pipe and the transfer cavity.

Preferably, the fixed shaft and the outer side of the movable shaft are sleeved with elastic belts for tensioning the movable shaft upwards, the gas collecting pipe penetrates through the sealing hole and is communicated with the gas tank, and the inner sides of the two groups of the restraint plates are both fixed with air bags extending along the length direction of the restraint plates.

Preferably, the outer side of the support plate is penetrated with an air duct communicated with the air bag, the other end of the air duct is provided with an air pipe connector, the air pipe connector penetrates the inner side of the outer hole and is communicated with the outer hole, and the air duct is of a corrugated pipe structure.

Has the advantages that: according to the invention, two groups of restraint plates are arranged as support structures which respectively support the front side and the rear side of the trunk of a patient, so that the patient is supported to keep a stable lateral position state, medical personnel do not need to manually support the trunk of the patient, and the labor amount in the operation process is reduced;

meanwhile, after the patient lies on the upper side of the supporting bracket, the supporting layer is pressed down by the dead weight of the patient, the piston disc is pushed to move into the inflator, the air pressure in the air box is increased, the head of the patient is placed inside the clamping assembly, the clamping assembly is pressed down by the dead weight of the head of the patient, the inner hole is moved down to a state of being communicated with the outer hole, at the moment, pressurized air in the air box enters the air bag between the two groups of restraining plates along the transfer cavity and the air duct, the supporting stability of the restraining plates for the trunk of the patient is further increased, the abnormal relaxation and shrinkage of the trunk caused by the direct abutting of the hard restraining plates is avoided, and the safety of the patient is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view structural diagram of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic structural breakdown of the present invention;

FIG. 4 is a schematic partial structural split of the present invention;

FIG. 5 is a schematic, exploded view of the clamping assembly of the present invention;

FIG. 6 is a perspective view of a restraint assembly of the present invention;

FIG. 7 is a schematic, exploded view of the support bracket of the present invention;

FIG. 8 is a perspective view of the mount of the present invention;

FIG. 9 is a schematic view of the auxiliary assembly and the clamping assembly of the present invention.

The reference numerals are explained below:

1. a support bracket; 101. a gas tank; 101a, sealing the hole; 102. a top cover; 103. an air cylinder; 104. a platen; 105. a stay bar; 105a, a piston disc; 106. a spring; 107. a support layer; 108. a non-slip mat; 109. riveting; 2. a mounting frame; 3. a restraint assembly; 301. a sliding frame; 302. a support plate; 303. a screw; 303a, a knob; 304. a restraint plate; 305. an air bag; 306. an air duct; 306a, a gas pipe joint; 4. an auxiliary component; 401. an accommodating frame; 401a, outer holes; 401b, a guide groove; 402. a fixed shaft; 403. an elastic band; 5. a clamping assembly; 501. a positioning frame; 501a, an extension groove; 502. a clamping plate; 502a, an extension block; 503. an operating lever; 503a, a grip; 504. a transfer cavity; 504a, an inner hole; 505. a gas collecting pipe; 6. a reinforcement assembly; 601. a side frame; 602. a stringer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

Referring to fig. 1-9, the invention provides a lateral position head protection frame, which comprises a support bracket 1 and a mounting frame 2, wherein the mounting frame 2 is arranged at one side of the support bracket 1, a restraint component 3 extending above the support bracket 1 is fixed above the mounting frame 2, and the support bracket 1 is used for supporting the body of a patient so as to complete an operation;

the restraint component 3 comprises a rectangular square frame-shaped sliding frame 301 extending longitudinally, two groups of L-shaped support plates 302 which are in longitudinal sliding fit with the sliding frame 301 are symmetrically arranged on the inner side of the sliding frame 301 in a front-back mode, restraint plates 304 of which the top ends are bent towards the direction close to each other are fixed on the opposite sides of the two groups of support plates 302, so that the front side and the back side of the trunk of a patient are respectively abutted through the two groups of restraint plates 304 distributed symmetrically in the front-back mode to realize stable support of a lateral position, a screw rod 303 penetrating through the sliding frame 301 is rotatably arranged in the middle of the sliding frame 301, both ends of the screw rod 303 penetrate through the sliding frame 301 and are fixedly provided with a knob 303a, both ends of the screw rod 303 on the inner side of the sliding frame 301 are symmetrically provided with two groups of external threads with opposite rotation directions, the screw rod 303 penetrates through the support plate 302 and is in threaded fit with the support plate 302 through the external threads, and therefore the two groups of support plates 302 with opposite rotation directions can drive the two groups of external threads to reversely slide plates 302 to slide along the sliding frame 301 in the process of rotating the screw rod 303.

As an optional embodiment, the support bracket 1 includes a hollow air box 101 with an opening at the top, a top cover 102 is hermetically arranged at the opening at the top side of the air box 101, a sealing hole 101a is transversely penetrated through one side of the air box 101 close to the mounting frame 2, a plurality of groups of air cylinders 103 are densely distributed at the top side of the top cover 102, the air cylinders 103 are of a vertically penetrated hollow cylinder structure, the bottom ends of the air cylinders 103 penetrate through the top cover 102 and are communicated with the air box 101, a support rod 105 extending out of the air cylinders 103 is vertically arranged at the inner side of the top ends of the air cylinders 103, a piston disc 105a is fixed at the bottom end of the support rod 105, the piston disc 105a is matched with the air cylinders 103 to form a piston structure, so that air in the air cylinders 103 can be conveyed into the air box 101 and compressed in the downward moving process of the piston disc 105a, a plurality of antiskid pads 108 are fixed at the top ends of the support rod 105, a spring 106 sleeved outside the air cylinders 103 is fixed below the antiskid pads 104, a plurality of support layers 107 coated outside the antiskid pads 104 are arranged above the top cover 102, a plurality of groups of antiskid pads 108 are uniformly distributed on the support layers 107 corresponding to the support plates 104, a plurality of artificial leather, a plurality of support layer 107 is fixed on the support layer 107 through a plurality of artificial leather, and is fixed on the support layer 107 by a plurality of support layer 107, and is made of PVC material for supporting the support leather, and is fixed on the support layer 107, and is made of the support layer 108;

the side of the mounting frame 2 far away from the support bracket 1 is provided with a clamping component 5, the top of the mounting frame 2 is fixed with an auxiliary component 4 for supporting the clamping component 5, the auxiliary component 4 comprises a rectangular square frame-shaped containing frame 401 extending vertically, the front side and the rear side of the middle part of the containing frame 401 are both longitudinally penetrated with outer holes 401a, one side of the containing frame 401 far away from the support bracket 1 is transversely penetrated with a waist-shaped hole-shaped guide groove 401b extending vertically, the outside of the containing frame 401 above the guide groove 401b is fixed with a transversely extending fixed shaft 402, the clamping component 5 comprises a positioning frame 501 arranged above the containing frame 401, the positioning frame 501 is a C-shaped frame body with a rear opening, the front surface of the positioning frame 501 is longitudinally penetrated with an extending groove 501a, and the inner side of the positioning frame 501 is provided with a clamping plate 502, the clamping plate 502 is a C-shaped arc plate with a downward opening, an extension block 502a penetrating into the extension groove 501a and vertically sliding-matching with the extension groove 501a is fixed on the front surface of the clamping plate 502, an operating rod 503 extending vertically is rotatably matched with the center of the top of the clamping plate 502, the operating rod 503 vertically penetrates through the top side of the positioning frame 501, the operating rod 503 is in threaded matching with the positioning frame 501, a disc-shaped grip 503a is fixed on the top end of the operating rod 503, the operating rod 503 is driven to rotate by rotating the grip 503a, so that the screw matching action of the operating rod 503 and the positioning frame 501 is utilized, the clamping plate 502 is driven by the screw 303 to slide downwards in the matching guide direction of the extension block 502a and the extension groove 501a, and the head of a patient is abutted and positioned through the clamping plate 502 to realize protection;

a hollow transfer cavity 504 is fixed at the top of the positioning frame 501, the transfer cavity 504 extends into the accommodating frame 401 and is in vertical sliding fit with the accommodating frame 401, inner holes 504a longitudinally penetrate through the front side and the rear side of the transfer cavity 504, the inner holes 504a and the outer holes 401a are distributed in a staggered manner, a gas collecting pipe 505 is arranged on one side of the transfer cavity 504 away from the support bracket 1, a circular tube-shaped movable shaft is transversely communicated between the gas collecting pipe 505 and the transfer cavity 504, an elastic belt 403 for tensioning the movable shaft upwards is sleeved outside the fixed shaft 402 and the movable shaft, the movable shaft transversely penetrates through the guide groove 401b, the gas collecting pipe 505 penetrates through the sealing hole 101a and is communicated with the gas box 101, gas bags 305 extending along the length direction of the gas collecting pipe are fixed on the inner sides of the two groups of constraint plates 304, gas tubes 306 communicated with the gas bags 305 are penetrated through the outer sides of the support plates 302, a gas tube connector 306a is arranged at the other end of the gas tube 306a, the gas tube connector 306a is penetrated inside of the outer hole 401a and is communicated with the outer hole 401a, the gas tube 306 is of the gas tube 306, the gas tube 306 is of a corrugated tube structure, and ensures that the gas tube constraint plate 304 is communicated with the gas bags 305 in the state that the gas tubes 306 is kept in the sliding process of the supporting plate 302 along the sliding frame 301.

The inner side of the mounting frame 2 is provided with a reinforcing component 6, the reinforcing component 6 comprises two groups of triangular side frames 601 fixed on the bottom side of the mounting frame 2, and a longitudinal beam 602 is longitudinally connected between the two groups of side frames 601.

By adopting the structure, when a patient needs to be kept in a lateral position for anesthesia operation, the patient is kept in a lateral position on the upper side of the support bracket 1, the knob 303a is rotated to drive the screw 303 to rotate, two groups of external threads with opposite rotation directions on the screw 303 are utilized to drive the two groups of support plates 302 to slide towards the direction close to each other, and then two groups of constraint plates 304 on the opposite sides of the two groups of support plates 302 are adjusted to be in a state of being flush with the front side and the rear side of the trunk of the patient; meanwhile, the self weight of the patient presses the supporting layer 107 downwards, the supporting layer 107 pushes the pressing plates 104 downwards to drive the spring 106 to compress, the piston plate 105a moves downwards at the same time, and then air in the air cylinder 103 is pressed into the air box 101, and the air pressure in the air box 101 is increased; then the head of the patient is inserted into the C-shaped frame 501, the handle 503a is rotated to drive the operation rod 503 to rotate, the operation rod 503 and the positioning frame 501 are used for matching with each other to support the holding plate 502 to move down to a state of abutting against one side of the head of the patient, at this time, the inner bottom side of the positioning frame 501 is used for supporting the head of the patient, the positioning frame 501 is pressed to drive the transfer chamber 504 to move down, the movable shaft and the gas collecting pipe 505 synchronously move down, the elastic band 403 sleeved between the fixed shaft 402 and the movable shaft is pulled to extend, and simultaneously, the inner hole 504a of the transfer chamber 504 synchronously moves down to a state of communicating with the outer hole 401a, at this time, high-pressure air in the air box 101 enters the air bag 305 along the gas collecting pipe 505, the transfer chamber 504, the inner hole 504a, the outer hole 401a, the air pipe joint 306a and the air duct 306a, so as to cause the air bag 305 to expand to further abut against the front and back sides of the trunk of the patient, and further clamping and maintaining of the patient in the horizontal position by the restriction component 3 is realized;

after the operation is completed, the clamping plates 502 of the clamping assembly 5 are loosened, the head is pulled out of the clamping assembly 5, the downward pressure applied to the clamping assembly 5 is released, the elastic rope in the stretching state recovers the length, the elastic rope pulls the movable shaft upwards to drive the gas collecting tube 505 and the transfer cavity 504 to move upwards, the inner hole 504a and the outer hole 401a are further moved to the staggered state, the communication state of the gas collecting tube 505 and the gas guide tube 306 is released, the gas guide tube 306 is communicated with the external environment through the guide groove 401b, the inflation state of the air bag 305 is released, and the releasing process of the support state of the two groups of constraint plates 304 on the two sides of the trunk of the patient is completed;

two groups of restraint plates 304 are arranged as support structures which respectively support the front side and the rear side of the trunk of a patient to support the patient to keep a stable lateral position state, medical staff do not need to manually support the trunk of the patient, and the labor amount in the operation process is reduced;

meanwhile, after the patient lies on the upper side of the support bracket 1, the support layer 107 is pressed down by the self weight of the patient, the piston disc 105a is pushed to move into the air cylinder 103, the air pressure in the air box 101 is increased, so that after the head of the patient is placed in the clamping assembly 5, the clamping assembly 5 is pressed down by the self weight of the head of the patient, the inner hole 504a is moved down to the state of communicating with the outer hole 401a, at the moment, pressurized air in the air box 101 enters the air bag 305 between the two groups of restraint plates 304 along the transfer cavity 504 and the air duct 306, the support stability of the restraint plates 304 on the trunk of the patient is further increased, the phenomenon that the hard restraint plates 304 directly abut against the trunk to cause abnormal chest contour relaxation is avoided, and the safety of the patient is ensured.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and shall cover the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (10)

1. The utility model provides a lateral position head fender bracket which characterized in that: the device comprises a support bracket (1) and an installation frame (2), wherein the installation frame (2) is arranged on one side of the support bracket (1), and a constraint component (3) extending above the support bracket (1) is fixed above the installation frame (2);

the restraint assembly (3) comprises a rectangular square frame-shaped sliding frame (301) extending longitudinally, two groups of L-shaped support plates (302) which are in longitudinal sliding fit with the sliding frame (301) are symmetrically arranged on the inner side of the sliding frame (301) in a front-back mode, restraint plates (304) of which the top ends are bent towards the direction close to each other are fixed on the opposite sides of the two groups of support plates (302), a screw rod (303) penetrating through the sliding frame (301) is rotatably arranged in the middle of the sliding frame (301), two ends of the screw rod (303) penetrate through the sliding frame (301) and are fixed with knobs (303 a), two groups of external threads with opposite rotation directions are symmetrically arranged on two ends of the screw rod (303) on the inner side of the sliding frame (301), and the screw rod (303) penetrates through the support plates (302) and is in threaded fit with the support plates (302) through the external threads.

2. A side position head protector according to claim 1 wherein: support bracket (1) includes open-top's cavity form gas tank (101), and this gas tank (101) top side opening part seals and is provided with top cap (102), gas tank (101) are close to outward mounting bracket (2) one side transversely link up there is sealed hole (101 a), top cap (102) top side is densely covered with multiunit inflator (103).

3. A side position head protector according to claim 2, wherein: the inflator (103) is a vertical through hollow cylinder structure, the bottom end of the inflator (103) penetrates through the top cover (102) and is communicated with the air box (101), a support rod (105) extending out of the inflator (103) is vertically arranged on the inner side of the top end of the inflator (103), a piston disc (105 a) is fixed at the bottom end of the support rod (105), and the piston disc (105 a) is matched with the inflator (103) to form a piston structure.

4. A side position head protector according to claim 3 wherein: pressure disk (104) are fixed with on vaulting pole (105) top, pressure disk (104) below is fixed with the cover and locates inflator (103) outside spring (106), the compression stroke of spring (106) is less than inflator (103) length, top cap (102) top is provided with the cladding in the multiunit support layer (107) in the pressure disk (104) outside, and this support layer (107) top side corresponds pressure disk (104) equipartition and has multiunit slipmat (108), the side all is fixed in through rivet (109) of the horizontal equipartition of multiunit around support layer (107) top cap (102) outside.

5. A lateral position head protector according to claim 4, wherein: keep away from mounting bracket (2) support bracket (1) one side and be provided with centre gripping subassembly (5), just mounting bracket (2) top is fixed with auxiliary assembly (4) that support centre gripping subassembly (5), auxiliary assembly (4) hold frame (401) including the rectangle square frame form of vertical extension, should hold frame (401) middle part front and back side and all vertically link up outer hole (401 a), just it keeps away from to hold frame (401) support bracket (1) one side is transversely link up waist type hole form guide way (401 b) that has vertical extension, guide way (401 b) top it has fixed axle (402) of horizontal extension to hold frame (401) external fixation.

6. A side-lying head protection frame according to claim 5, characterized in that: the clamping assembly (5) comprises a positioning frame (501) arranged above the accommodating frame (401), the positioning frame (501) is a C-shaped frame body with an opening facing backwards, an extending groove (501 a) longitudinally penetrates through the front surface of the positioning frame (501), a clamping plate (502) is arranged on the inner side of the positioning frame (501), and an extending block (502 a) penetrating into the extending groove (501 a) and vertically matched with the extending groove (501 a) in a sliding mode is fixedly arranged on the front surface of the clamping plate (502).

7. A side position head protector according to claim 6 wherein: the center of the top of the clamping plate (502) is rotatably matched with an operating rod (503) which extends vertically, the operating rod (503) vertically penetrates through the top side of the positioning frame (501), the operating rod (503) is in threaded fit with the positioning frame (501), and a disc-shaped handle (503 a) is fixed at the top end of the operating rod (503).

8. A side position head protector according to claim 7 wherein: locating frame (501) top is fixed with cavity form transfer chamber (504), and this transfer chamber (504) stretches into hold frame (401) inside and with this vertical sliding fit who holds frame (401), the side all vertically runs through has hole (504 a) around transfer chamber (504), hole (504 a) with outer hole (401 a) crisscross distribution, keep away from in transfer chamber (504) support bracket (1) one side and be provided with discharge (505), this discharge (505) with horizontal intercommunication has the tubular movable shaft between transfer chamber (504).

9. A side position head protector according to claim 8 wherein: the fixed shaft (402) and the outer side of the movable shaft are sleeved with elastic bands (403) which can tension the movable shaft upwards, the gas collecting pipe (505) penetrates through the sealing hole (101 a) and is communicated with the gas box (101), and the inner sides of the two groups of restraining plates (304) are fixed with air bags (305) which extend along the length direction of the restraining plates.

10. A side position head protector according to claim 9 wherein: an air duct (306) communicated with an air bag (305) penetrates through the outer side of the support plate (302), an air duct joint (306 a) is arranged at the other end of the air duct (306), the air duct joint (306 a) penetrates through the inner side of the outer hole (401 a) and is communicated with the outer hole (401 a), and the air duct (306) is of a corrugated pipe structure.

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