Adjustable mask fixing device

Abstract

The utility model discloses an adjustable mask fixing device, which is characterized in that a tentacle with a pressure sensor is mounted on one side, close to a mask, of a support plate, and a lifting component is mounted on the support plate close to the lower jaw part; a screw is installed at the output end of a first motor of the lifting assembly, a T-shaped groove is formed in the lower portion of the first motor, the screw is rotatably installed in the T-shaped groove, a lifting block is connected to the screw in a threaded mode, the lifting block is arranged in the T-shaped groove in a sliding mode and extends to the outside from the T-shaped groove, and a tentacle is installed on the T-shaped groove; six adjustable tentacles with pressure sensors are arranged to fix the mask and the lower jaw part, so that medical staff are prevented from manually pressing the mask, and manpower resources are saved; the inclination angle between the tentacle and the supporting plate is adjusted through a worm and gear structure, and the lifting assembly on the supporting plate adjusts the tentacle close to the lower jaw part so as to adapt to the heights of different patients. The height and the angle are adjusted through cooperation of the worm gear, the worm and the screw lifting block, the self-locking function is achieved, and the fixing stability of the tentacle is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field, concretely relates to a adjustable mask fixing device. BACKGROUND

[0002] In the process of anesthesia induction, cardiopulmonary resuscitation, clinical first aid, hand control mask ventilation method is a commonly used ventilation technology. This method usually requires the operator to use one hand or both hands to support the patient's lower jaw to ensure the smoothness of the respiratory tract, and tightly fit the mask to the patient's face, so as to create a sealed breathing circuit connected with anesthetics or breathing machine.

[0003] Chinese patent document (publication number: CN219579641U) discloses a kind of anesthesia mask fixator, the utility model discloses a kind of anesthesia mask fixator, including the connecting assembly that can be connected with mask, first strap and second strap, connecting assembly includes sleeve ring and connecting rod, connecting rod is equipped with four, four connecting rods are fixed in the sleeve ring outside in the form of circumferential uniformity, first strap and second strap are respectively inserted into two connecting rods, first strap is clamped to second strap, first strap and second strap are equipped with a plurality of insertion slots on the side close to sleeve ring. The utility model discloses connecting assembly includes sleeve ring and connecting rod, connecting rod is equipped with four, four connecting rods are fixed in the sleeve ring outside in the form of circumferential uniformity, first strap and second strap are respectively inserted into two connecting rods, first strap is clamped to second strap, first strap and second strap are equipped with a plurality of insertion slots on the side close to sleeve ring, so that the insertion slot of different first strap and second strap and connecting rod insertion are made width adjustment action, so that the utility model can change the width of first strap and second strap.

[0004] In the prior art, the mask is fixed by manual pressing or using strap by medical staff, the force is uneven, cannot be measured, and the stability is poor, so that the phenomenon of excessive compression or mask falling off is easy to appear. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies in the prior art, the utility model provides a adjustable mask fixing device, six adjustable tentacles with pressure sensors are arranged to fix the mask and the lower jaw part, so as to avoid manual pressing of the mask by medical staff and save human resources; the angle of inclination between the tentacle and the support plate is adjusted through the structure of worm gear and worm, the lifting assembly on the support plate is used to adjust the tentacle close to the lower jaw part to adapt to the height of different patients and adapt to multidirectional adjustment; the height and angle are adjusted through the cooperation of worm gear and screw lifting block, and both have self-locking function, so as to enhance the stability of tentacle fixation.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a adjustable face guard fixing device, including the fixed component of symmetrical arrangement in both sides of head, still including the several tentacles of setting above face guard and setting in the jaw part, the fixed component includes the support, installs the support plate on the support, installs the tentacle on the support plate one side close to face guard, installs the lifting assembly on the support plate close to the jaw part, the lifting assembly includes the first motor of installing in the top of support plate, installs the screw rod on the first motor output, is equipped with T type groove below the first motor, the screw rod rotationally installs in T type groove, and the screw rod is screwed with the lifting block, the lifting block is arranged in T type groove and slides, and the lifting block extends to outside from T type groove, and T type groove is installed with the tentacle,

[0008] As a preferred technical scheme of the utility model, a second motor is fixedly installed on one side of the support plate away from the tentacle, a worm is installed on the output end of the second motor, the worm engages with a worm wheel, and the worm wheel is fixedly installed on the rotating shaft; the rotating shaft penetrates through the support plate and is then fixedly connected with the tentacle;

[0009] As a preferred technical scheme of the utility model, the tentacle comprises a support block, one end of the support block is fixedly connected with the rotating shaft, a connecting head at the other end of the support block is hingedly connected with a first main rod, the other end of the first main rod is hingedly connected with a second main rod, and the other end of the second main rod is hingedly connected with a touch rod; the end of the touch rod close to the second main rod extends in the width direction to form a hinged seat, a third connecting rod is hingedly connected with the hinged seat, and the other end of the third connecting rod extends in the width direction to form a hinged seat; the connecting head is hingedly provided with a triangular seat; a driving assembly is arranged at the top end of the support block, the driving assembly is hingedly provided with a first connecting rod, the other end of the first connecting rod is hingedly connected with the triangular seat, and the hinged seat on the third connecting rod is hingedly connected with the triangular seat through a second connecting rod;

[0010] As a preferred technical scheme of the utility model, the hinged positions of the connecting head, the first connecting rod, the second connecting rod and the triangular seat are respectively at the three corners of the triangular seat; the first connecting rod and the second connecting rod are respectively located on the two sides of the connecting head;

[0011] As a preferred technical scheme of the utility model, the driving assembly comprises an electric cylinder fixedly arranged at the top of the support block, stop blocks are respectively fixedly arranged at the two ends of the electric cylinder in the axial direction, a sliding rod is fixedly installed between the two stop blocks, a sliding block is slidably arranged on the sliding rod, and the sliding block is fixedly connected with the output end of the electric cylinder; the first connecting rod is hingedly connected with the sliding block;

[0012] As a preferred technical scheme of the utility model, a U-shaped backing plate is arranged between the two supports, and a plurality of through holes are formed in the U-shaped backing plate;

[0013] As a preferred technical scheme of the utility model, a pressure sensor and a pressure threshold alarm device are installed on the tentacle;

[0014] As the preferred technical scheme of the utility model, the control system is arranged on one side of the support, and the sensor, the electric cylinder, the first motor and the second motor are electrically connected with the control system;

[0015] As the preferred technical scheme of the utility model, the tentacle is made of silica gel.

[0016] As the preferred technical scheme of the utility model, the support plate can be adjusted up and down and is installed on the support.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1、in the utility model, the support is symmetrically installed on both sides of the head, the support plate is installed on the support, three tentacles are installed on one support plate, two tentacles are fixed on the upper edge and the lower edge of the mask respectively, and the other tentacle is fixed on the mandibular part;Six tentacles with pressure sensors are arranged on both sides of the head, the mask and the mandibular part are fixed, manual pressing or using a binding tape to fix the mask is avoided, human resources are saved, the tentacle exerts uniform force, the comfort is strong, the stability is good, the risk of excessive compression or mask falling is avoided, and the alarm device is started when the pressure of the pressure sensor exceeds the set threshold value;

[0019] The angle of inclination between the tentacle and the support plate is adjusted through the structure of the worm gear, and the lifting assembly on the support plate adjusts the tentacle adjacent to the mandibular part through the screw rod and the lifting block, so as to adapt to the height of different patients and multidirectional adjustment;The height and angle are adjusted through the cooperation of the worm gear, the screw rod and the lifting block, and both have self-locking function, which enhances the stability of the tentacle fixation.

[0020] 2、in the utility model, the electric cylinder is controlled to extend or retract, the moving direction of the sliding block is changed, the sliding block drives the triangular seat to rotate through the first connecting rod, and the triangular seat drives the second connecting rod to move;The third connecting rod is driven to rotate by the second connecting rod, and the hinged seat and the touch rod are driven to rotate together by the third connecting rod, so that the first main rod, the second main rod and the touch rod are in horizontal or folded state, so as to realize the action conversion of the unfolding or bending of the tentacle;The bending degree of the tentacle is adjusted, the arc type of the outer periphery of the mask is matched, and the curve of the mandibular part is matched, so that the tentacle is fixed with the mask and the mandibular part, and the stability of the equipment is enhanced;The mask is fixed by four tentacles, and the mandibular part is fixed by two tentacles, so that the mask is in a stable state, the tentacle is made of silica gel, the tentacle exerts uniform force, the comfort is strong, the stability is good, the risk of excessive compression or mask falling is avoided, and the alarm device is started when the pressure of the pressure sensor exceeds the set pressure threshold value.

[0021] 3、The utility model discloses a touch hand is installed in the end of rotation axis of worm wheel, drives the worm operation through the motor of adjusting and connecting with the worm, and worm meshes worm wheel rotation, and the rotation axis on worm wheel drives touch hand to realize the angle adjustment of circumferential direction, realizes the fixedly connected of many directions, strengthens stability, and worm wheel worm carries out the small angle adjustment to the position of touch hand and is locked simultaneously, avoids the deviation, and strengthens the stability of fixing device. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the whole structure installation three -dimensional schematic drawing of the utility model;

[0023] Figure 2 It is the fixed assembly three -dimensional schematic drawing of the utility model;

[0024] Figure 3 It is the touch hand and support plate installation structure schematic drawing of the utility model;

[0025] Figure 4 It is the touch hand structure split three -dimensional schematic drawing of the utility model;

[0026] Figure 5 It is the worm wheel worm gear cooperation structure three -dimensional schematic drawing of the utility model;

[0027] In the drawing: head-10;Trunk-11;Lower jaw-12;Face guard-13;Support-14;Support plate-15;Touch hand-16;T-shaped groove-17;Screw-18;Lifting block-19;First motor-20;Second motor-21;Worm-22;Worm wheel-23;Rotation axis-24;Support block-25;Connection head-26;Stop block-27;Slide bar-28;Electric cylinder-29;Triangular seat-30;First main rod-31;Third connecting rod-32;Touch rod-33;First connecting rod-34;Second connecting rod-35;Second main rod-36;Hinge seat-37;Sliding block-38. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiment of the utility model will be described clearly and completely below in combination with the embodiment of the utility model, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment.

[0029] Contents not described in detail in this specification are existing technologies known to those skilled in the art. In the description of this utility model, it should be understood that terms such as "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are used only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting this utility model. Furthermore, terms such as "first," "second," and "third," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0030] Figures 1-5 As shown, an adjustable mask fixing device includes fixing components symmetrically arranged on both sides of the head 10; it also includes several tentacles 16 arranged above the mask 13 and on the chin 12. The fixing components include a support 14, a support plate 15 mounted on the support 14, and tentacles 16 mounted on the side of the support plate 15 adjacent to the mask 13. A lifting component is mounted on the support plate 15 near the chin 12. The lifting component includes a first motor 20 mounted on the top of the support plate 15, a screw 18 mounted on the output end of the first motor 20, and a T-slot 17 opened below the first motor 20. The screw 18 is rotatably mounted in the T-slot and rotates. A lifting block 19 is screwed onto the screw 18 and slides in the T-slot. The lifting block 19 extends from the T-slot to the outside, and tentacles 16 are mounted on the T-slot.

[0031] During anesthesia induction, cardiopulmonary resuscitation, and clinical emergency procedures, mask ventilation is used when the patient is lying on the operating table. Figure 1 As shown, the support 14 is placed on the upper part of the human torso 11 and symmetrically arranged on both sides of the head 10. A support plate 15 is installed on one side of the support 14. Three tentacles 16 are installed on the support plate 15. Two tentacles are located at the upper and lower edges of the mask 13, respectively, and the other tentacle is located at the mandible 12. The mask 13 and the mandible 12 are fixed on both sides by six tentacles, which facilitates the operation. The circumferential angle between the tentacle 16 and the support plate 15 is adjusted by a worm gear structure. The lifting component on the support plate 15 is used to adjust the tentacle 16 adjacent to the mandible 12 to adapt to the height of the mandible of different patients. The circumferential angle is adjusted by the worm gear to adapt to multi-directional adjustment and enhance the stability of the fixation device.

[0032] Further, the support plate 15 is fixedly installed with a second motor 21 on the side away from the tentacle 16, the output end of the second motor 21 is installed with a worm 22, the worm 22 engages a worm wheel 23, and the worm wheel 23 is fixedly installed on a rotating shaft 24; the rotating shaft 24 penetrates through the support plate 15 and is fixedly connected with the tentacle 16.

[0033] Figure 2 , Figure 3 and Figure 5 As shown in the tentacle 16 and the support plate 15 are adjusted by the structure of the worm wheel 23 and the worm 22, the worm wheel and the worm structure has good self-locking property, avoiding the shift of the fixed position.

[0034] Further, the tentacle 16 comprises a support block 25, one end of the support block 25 is fixedly connected with the rotating shaft 24; the other end of the support block 25 is connected with a connecting head 26, the connecting head 26 is hingedly connected with a first main rod 31, the other end of the first main rod 31 is hingedly connected with a second main rod 36, the other end of the second main rod 36 is hingedly connected with a touch rod 33; the end of the touch rod 33 close to the second main rod 36 extends in the width direction to form a hinged seat 37, the hinged seat 37 is hingedly connected with a third connecting rod 32, the other end of the third connecting rod 32 extends in the width direction to form a hinged seat; the connecting head 26 is hingedly provided with a triangular seat 30; the top end of the support block 25 is provided with a driving assembly, the driving assembly is hingedly provided with a first connecting rod 34, the other end of the first connecting rod 34 is hingedly connected with the triangular seat 30, and the hinged seat on the third connecting rod 32 is hingedly connected with the triangular seat 30 through a second connecting rod 35.

[0035] Figure 3 and Figure 4 As shown in the electric cylinder 29 controls the movement of the sliding block 38, thereby driving the position change of the plurality of connecting rods, the tentacle expands and contracts, and finally realizes the conversion of the expansion and bending of the tentacle 16; when the tentacle 16 contracts, the tentacle 16 can form a shape with a concave middle part, and in the process of fixing the face shield 13, the part of the tentacle 16 with the concave middle part can increase the contact area with the face shield 13, thereby enhancing the fixing strength.

[0036] When the electric cylinder 29 extends, the sliding block 38 moves in the direction away from the support plate 15, the sliding block 38 drives the triangular seat 30 to rotate through the first connecting rod 34, the triangular seat 30 rotates clockwise around the connecting head 26 (as shown in Figure 3 ), the triangular seat 30 drives the second connecting rod 35 to move in the direction close to the support plate 15; the second connecting rod 35 drives the third connecting rod 32 to rotate, the third connecting rod 32 rotates clockwise around the hinged seat adjacent to the first main rod 31 (as shown in Figure 3 ), the third connecting rod 32 drives the hinged seat 37 and the touch rod 33 to rotate clockwise, so that the first main rod 31, the second main rod 36 and the touch rod 33 are in a horizontal state, thereby realizing the unfolding action of the tentacle 16.

[0037] When the electric cylinder 29 retracts, the slider 38 moves towards the support plate 15, the slider 38 pulls the triangular seat 30 to rotate through the first connecting rod 34, the triangular seat 30 rotates counterclockwise around the connecting head 26 (as shown in the arrow direction in FIG. 4B), the triangular seat 30 moves the second connecting rod 35 towards the support plate 15, the second connecting rod 35 pushes the third connecting rod 32 to rotate, the third connecting rod 32 rotates counterclockwise around the adjacent hinged seat of the first main rod 31 (as shown in the arrow direction in FIG. 4B), the third connecting rod 32 pushes the hinged seat 37 and the touch rod 33 to rotate counterclockwise, so that the first main rod 31, the second main rod 36 and the touch rod 33 are in a folded and close state, thereby realizing the bending action of the tentacle 16. Figure 3 Further, the connecting head 26, the first connecting rod 34, the second connecting rod 35 and the hinged seat of the triangular seat 30 are respectively located at the three corners of the triangular seat 30, and the first connecting rod 34 and the second connecting rod 35 are respectively located on both sides of the connecting head 26. Figure 3

[0038] By adjusting the bending degree of the tentacle 16, matching the arc type of the outer periphery of the mask 13, or matching the curve of the lower jaw part 12, the tentacle 16 is fixedly attached to the mask 13 and the lower jaw part 12, thereby enhancing the stability of the device.

[0039] Further, the connecting head 26, the first connecting rod 34, the second connecting rod 35 and the hinged seat of the triangular seat 30 are respectively located at the three corners of the triangular seat 30, and the first connecting rod 34 and the second connecting rod 35 are respectively located on both sides of the connecting head 26.

[0040] Figure 3 As shown in FIG. 4B, the hinged seat of the connecting head 26 and the triangular seat 30 serves as the fulcrum of the rotation of the triangular seat 30, the hinged seat of the second connecting rod 35 and the triangular seat 30 is located above the connecting head 26, and the hinged seat of the first connecting rod 34 and the triangular seat 30 is located below the connecting head 26. The rotation of the triangular seat 30 and the arrangement of the hinged seat ensure the transmission of the output power of the electric cylinder 29.

[0041] Further, the driving assembly comprises an electric cylinder 29 fixedly arranged on the top of the support block 25, two stop blocks 27 fixedly arranged on both ends of the electric cylinder 29 along the axial direction, a sliding rod 28 fixedly arranged between the two stop blocks 27, a slider 38 slidingly arranged on the sliding rod 28, and the slider 38 fixedly connected to the output end of the electric cylinder 29.

[0042] Figure 3 As shown in FIG. 4B, the electric cylinder 29 is fixedly arranged on the top of the support block 25, and the slider 38 is slidingly arranged on the sliding rod 28, and the bottom of the slider 38 is slidingly arranged on the top of the support block 25.

[0043] Further, a U-shaped pad (not shown in the figure) is arranged between the two supports 14, and a plurality of through holes are formed in the U-shaped pad.

[0044] ​The U-shaped cushion plate is installed between the two supports 14 by the bolt fixing mode, the U-shaped cushion plate plays a supporting role on the head of the human body, the middle part of the U-shaped cushion plate is recessed, and the head has a certain fixing effect; the through hole formed in the U-shaped cushion plate is beneficial to ventilation.

[0045] Further, the tentacle 16 is provided with a pressure sensor and a threshold alarm device (not shown in the figure).

[0046] The pressure sensor sets the pressure value and sets the pressure threshold alarm device, which guarantees stability while further protecting the comfort of the patient and avoiding excessive force from causing damage to the human body.

[0047] Further, one side of the support 14 is provided with a control system, and the sensor, the threshold alarm device, the electric cylinder 29, the first motor 20 and the second motor 21 are electrically connected with the control system.

[0048] The control system, the sensor, the threshold alarm device, the electric cylinder 29, the first motor 20 and the second motor 21 can be commercially available, and are prior art, which will not be described in detail here; they are all auxiliary components of the tentacle 16, and control and adjust the height and angle of the tentacle 16 by connecting the power supply.

[0049] Further, the material of the tentacle 16 is silicone.

[0050] Silicone has excellent wear resistance, soft touch, moisture resistance and resistance to a variety of chemicals, and can also enhance the comfort of the human body.

[0051] Further, the U-shaped cushion plate is made of memory foam material.

[0052] The memory foam material has small density, high strength and light weight, and can quickly recover to its original shape after being subjected to external force, and has excellent shape memory ability; the memory foam has good shock absorption performance, can absorb and disperse impact force, thereby protecting the human body; the memory foam is sensitive to temperature, and can provide personalized support and comfort according to the body temperature; at low temperature, the memory foam will become hard, while at high temperature, it will become softer, thereby enhancing the comfort.

[0053] Further, the support plate 15 is installed on the support 14 and can be adjusted in lifting.

[0054] The support plate 15 can adjust the lifting of the support plate 15 by cooperating with the screw nut, and can also use the air cylinder or electric cylinder to extend and retract to adjust the lifting of the support plate 15, which is beneficial to the adjustment for different patients in operation.

[0055] The working principle of the tentacle 16 is as follows:

[0056] When the electric cylinder 29 extends, it pushes the slider 38 to move away from the support plate 15. The slider 38, through the first connecting rod 34, pushes the triangular seat 30 to rotate. The triangular seat 30 rotates clockwise around the connector 26. Figure 3 (In the middle), the triangular seat 30 causes the second link 35 to move towards the support plate 15; the second link 35 pulls the third link 32 to rotate, and the third link 32 rotates clockwise around the hinge seat adjacent to the first main rod 31. Figure 3 In the middle, the third connecting rod 32 drives the hinge seat 37 and the contact rod 33 to rotate clockwise together, so that the first main rod 31, the second main rod 36 and the contact rod 33 are in a horizontal state, thereby realizing the unfolding action of the tentacle 16.

[0057] The working principle of Tentacle 16 bending:

[0058] When the electric cylinder 29 retracts, it drives the slider 38 to move closer to the support plate 15. The slider 38 pulls the triangular seat 30 to rotate via the first connecting rod 34. The triangular seat 30 rotates counterclockwise around the connector 26. Figure 3 (In the middle), the triangular seat 30 causes the second link 35 to move away from the support plate 15; the second link 35 pushes the third link 32 to rotate, and the third link 32 rotates counterclockwise around the hinge seat adjacent to the first main rod 31. Figure 3 In the middle, the third connecting rod 32 pushes the hinge seat 37 and the contact rod 33 to rotate counterclockwise together, so that the first main rod 31, the second main rod 36 and the contact rod 33 are in a folded and close-to-each-other state, thereby realizing the bending action of the tentacle 16.

[0059] By adjusting the curvature of the tentacle 16 to match the arc of the outer periphery of the mask 13, or to match the curve of the jaw 12, the tentacle 16 can be fitted and fixed to the mask 13 and the jaw 12, thereby enhancing the stability of the device.

[0060] This utility model is illustrated through the above embodiments, but it is not limited to these embodiments, meaning that it does not necessarily depend on them for implementation. Those skilled in the art should understand that all related improvements to this utility model fall within its protection and disclosure scope.

Claims

1. A regulating mask fixation device comprising fixation assemblies symmetrically arranged on both sides of the head (10), further comprising a number of tentacles (16) arranged above the mask (13) and arranged on the lower jaw (12), characterized in that, The fixed assembly comprises a support (14), a support plate (15) is installed on the support (14), a tentacle (16) is installed on one side of the support plate (15) close to the mask (13), and a lifting assembly is installed on the support plate (15) close to the lower jaw (12); the lifting assembly comprises a first motor (20) installed on the top of the support plate (15), a screw rod (18) is installed at the output end of the first motor (20), a T-shaped groove (17) is formed below the first motor (20), the screw rod (18) is rotatably installed in the T-shaped groove, a lifting block (19) is screwed on the screw rod (18), the lifting block (19) is slidably arranged in the T-shaped groove, the lifting block (19) extends to the outside from the T-shaped groove, and the T-shaped groove is provided with the tentacle (16).

2. The adjustable face mask holder of claim 1, wherein, A second motor (21) is fixedly installed on the side of the support plate (15) away from the tentacle (16), a worm (22) is installed at the output end of the second motor (21), the worm (22) engages with a worm wheel (23), and the worm wheel (23) is fixedly installed on a rotating shaft (24); the rotating shaft (24) penetrates through the support plate (15) and is fixedly connected with the tentacle (16).

3. The adjustable face mask holder of claim 1, wherein, The tentacle (16) comprises a support block (25), one end of the support block (25) is fixedly connected with the rotating shaft (24); a connecting head (26) at the other end of the support block (25) is hingedly connected with a first main rod (31), the other end of the first main rod (31) is hingedly connected with a second main rod (36), and the other end of the second main rod (36) is hingedly connected with a touch rod (33); the end of the touch rod (33) close to the second main rod (36) extends in the width direction to form a hinged seat (37), a third connecting rod (32) is hingedly connected with the hinged seat (37), and the other end of the third connecting rod (32) extends in the width direction to form a hinged seat; the connecting head (26) is hingedly provided with a triangular seat (30); a driving assembly is arranged at the top end of the support block (25), the first connecting rod (34) is hingedly arranged on the driving assembly, the other end of the first connecting rod (34) is hingedly connected with the triangular seat (30), and the hinged seats on the third connecting rod (32) are hingedly connected with the triangular seat (30) through the second connecting rod (35).

4. The adjustable face mask holder of claim 3, wherein, The hinged positions of the connecting head (26), the first connecting rod (34), the second connecting rod (35) and the triangular seat (30) are respectively located at the three corners of the triangular seat (30); and the first connecting rod (34) and the second connecting rod (35) are respectively located on the two sides of the connecting head (26).

5. The adjustable face mask holder of claim 3, wherein, The driving assembly comprises an electric cylinder (29) fixedly arranged at the top of the support block (25), stop blocks (27) are fixedly arranged at the two ends of the electric cylinder (29) in the axial direction, a sliding rod (28) is fixedly installed between the two stop blocks (27), a sliding block (38) is slidably arranged on the sliding rod (28), the sliding block (38) is fixedly connected with the output end of the electric cylinder (29), and the first connecting rod (34) is hingedly connected with the sliding block (38).

6. The adjustable face mask holder of claim 3, wherein, A U-shaped backing plate is arranged between the two supports (14), and a plurality of through holes are formed in the U-shaped backing plate.

7. The adjustable face mask holder of claim 1, wherein, The tentacle (16) is provided with a pressure sensor and a pressure threshold alarm device.

8. The adjustable face mask holder of claim 7, wherein, One side of the support (14) is provided with a control system, the sensor, the electric cylinder (29), the first motor (20) and the second motor (21) are electrically connected with the control system.

9. The adjustable face mask holder of claim 1, wherein, The material of the tentacle (16) is silica gel.

10. The adjustable face mask holder of claim 6, wherein, The support plate (15) is installed on the support (14) and can be adjusted up and down.

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