CN113847503A - Silencing mechanism suitable for other droplet suction device of mouth - Google Patents
Silencing mechanism suitable for other droplet suction device of mouth Download PDFInfo
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- CN113847503A CN113847503A CN202010598946.8A CN202010598946A CN113847503A CN 113847503 A CN113847503 A CN 113847503A CN 202010598946 A CN202010598946 A CN 202010598946A CN 113847503 A CN113847503 A CN 113847503A
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- piece
- connecting piece
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- mouth
- angle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/06—Saliva removers; Accessories therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/06—Implements for therapeutic treatment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/02—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction
- F16L27/04—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L43/00—Bends; Siphons
- F16L43/02—Bends; Siphons adapted to make use of special securing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
- F16L55/0336—Noise absorbers by means of sound-absorbing materials
Abstract
The invention discloses a silencing mechanism suitable for a nearby-mouth droplet suction device, which is characterized by comprising a resistance silencing part for reducing noise of an air inlet; the reactive noise elimination part is a cavity with adjustable bending direction, and comprises: a front connector; a rear connector; the angle adjusting piece is in a bent pipe shape, is connected between the front connecting piece and the rear connecting piece and adjusts an included angle between the front connecting piece and the rear connecting piece; the front locking piece is used for adjusting the damping of the front connecting piece and the front locking piece; the rear locking piece is used for adjusting the damping of the rear connecting piece and the front locking piece; the angle adjusting piece and the rear connecting piece are rotatably connected together, and the angle adjusting piece and the front connecting piece are rotatably connected together. The invention discloses a silencing mechanism suitable for a nearby-mouth droplet suction device, which has a good silencing effect and is necessary.
Description
Technical Field
The invention relates to a device for collecting and processing oral bacterial colonies such as spray, in particular to a silencing mechanism of a spray suction device beside a mouth.
Background
During oral surgery, the spray suction device beside the mouth is arranged beside an operating table to suck and collect gas generated by respiration, spray generated during surgery and the like, so that the phenomenon that gas cross is generated between medical care personnel and a patient during surgery to cause infection of diseases and the like can be avoided. The gas collecting port of the device is arranged beside the mouth of a patient, and certain noise is generated, so that the communication of medical personnel during operation, the comfort level of the operation and the like can be influenced to a greater extent when the noise is higher; the device is thus provided with a silencing mechanism at the gas inlet, and the flexibility of adjustment of this silencing mechanism also affects the operation of the medical personnel.
In view of this, it is necessary to provide a silencing mechanism which is convenient to adjust, has a good silencing effect and is suitable for a device for sucking the spray beside the mouth.
Summary of the invention
The invention aims to provide a silencing mechanism which has good silencing effect and high dexterity and is suitable for a spray suction device beside a mouth, and the invention is realized in such a way that the silencing mechanism is suitable for the spray suction device beside the mouth,
the mechanism includes a resistive muffling portion for reducing air intake noise; the reactive noise elimination part is a cavity with adjustable bending direction, and comprises:
a front connector;
a rear connector;
the angle adjusting piece is in a bent pipe shape, is connected between the front connecting piece and the rear connecting piece and adjusts the corresponding angle between the front connecting piece and the rear connecting piece;
the front locking piece is used for adjusting the damping of the front connecting piece and the front locking piece;
the rear locking piece is used for adjusting the damping of the rear connecting piece and the front locking piece;
the angle adjusting piece and the rear connecting piece are rotatably connected together, and the angle adjusting piece and the front connecting piece are rotatably connected together.
Preceding connecting piece is including preceding connection terminal surface, the angle adjusting part is terminal surface and regulation rear end face before adjusting the main part, adjusting, terminal surface and regulation rear end face non-parallel arrangement before adjusting, the terminal surface is cyclic annular before adjusting, preceding connection terminal surface corresponding to the terminal surface is the ring form setting before adjusting, terminal surface and preceding connection terminal surface looks crimping are in the same place before adjusting.
The front locking piece comprises a front adjusting screw and a front fixing column,
one end of the front adjusting screw is provided with a handle, and the other end of the front adjusting screw penetrates through the front connecting piece to be connected with the fixed column.
The front connecting piece is in a spherical crown shape and comprises a circular front connecting end surface and a front screw hole matched with the front adjusting screw; the angle adjusting piece comprises an adjusting front end face which is arranged corresponding to the front connecting end face and is in a circular ring shape;
the middle part of the fixed column is provided with a front screw hole, and two ends of the fixed column are fixedly connected with the angle adjusting piece;
one end of the front adjusting screw penetrates through the front screw hole to be connected to the fixed column, so that the front connecting piece can rotate around the front adjusting screw at any angle.
The mechanism further comprises a plane bearing, a front bearing surface is further arranged between the front screw hole and the front adjusting screw, and the plane bearing is arranged between the front adjusting screw and the front connecting piece.
The mechanism further comprises a front annular guide rail, the angle adjusting piece and the front connecting piece are correspondingly and respectively provided with a front annular guide groove, and the front annular guide rail is respectively arranged in the front annular guide grooves.
The mechanism further comprises a resistive noise elimination part, and the resistive noise elimination part and the front connecting end face are arranged in a non-perpendicular mode.
The resistive silencing part comprises an outer pipe and a material silencing body arranged in a tubular shape, and the material silencing body is sleeved in the outer pipe.
Resistive noise elimination portion is still including the entering into portion that is wide mouthful form, entering into portion includes integrated into one piece's wide-mouth, separates net and joint position, joint position front portion is equipped with the flat seal groove that supports tight position and be used for setting up the colloid of preventing the position, the joint position is in the same place with the inner wall looks joint of outer tube, support tight position and sheathed tube front end support tightly and with the material noise elimination body fixed.
The angle adjusting piece and the front connecting piece are hermetically connected through the front annular guide groove and the front annular guide rail.
The rear locking piece comprises a rear adjusting screw and a rear fixing column,
one end of the rear adjusting screw is provided with a handle, and the other end of the rear adjusting screw penetrates through the rear connecting piece to be connected with the fixed column.
The rear connecting piece comprises a circular rear connecting end surface and a rear screw hole matched with the rear adjusting screw; the angle adjusting piece also comprises an adjusting rear end face which is arranged corresponding to the rear connecting end face and is in a circular ring shape;
the middle part of the fixed column is provided with a rear screw hole, and two ends of the fixed column are fixedly connected with the angle adjusting piece;
one end of the rear adjusting screw penetrates through the rear screw hole to be connected to the fixing column, so that the rear connecting piece can rotate around the rear adjusting screw at any angle.
An obtuse angle with a fixed angle is formed between the front adjusting screw and the rear adjusting screw.
The mechanism further comprises a plane bearing, a rear bearing surface is arranged between the rear screw hole and the rear adjusting screw, and the plane bearing is arranged between the rear adjusting screw and the rear screw hole.
The mechanism further comprises a rear annular guide rail, the angle adjusting piece and the rear connecting piece are correspondingly and respectively provided with a rear annular guide groove, and the rear annular guide rail is respectively arranged in the rear annular guide grooves.
The rear annular guide groove and the rear annular guide rail hermetically connect the angle adjusting piece and the rear connecting piece.
Advantageous effects
The silencing mechanism suitable for the beside-mouth droplet suction device has flexible connecting joints and an ideal noise reduction function, and combines silencing and flexibility, so that the silencing mechanism is easy to use and practical.
The connecting mechanism provided by the invention has the advantages that by fusing the axisymmetric spherical structure, when the opposite surfaces of the spherical structure are adjusted in a rotating way, the connecting mechanism has wide adaptability, less constraint, attractive appearance and flexible structural design. The two independent movable joints which need to be connected together and can rotate relatively can be realized by overlapping any two surfaces of the circle center, and the inclination angles of the two opposite circular surfaces can have larger arbitrariness, so that the angle adjustment has larger universality. At the three joints that preceding retaining member, angle adjusting piece and back connecting piece meet in succession, the connection face all docks through relative circular face to it has the more extensive of angle of adjustable to make.
The front locking piece provided by the invention can adjust the tightness between the front connecting piece and the angle adjusting piece, the rear locking piece can adjust the tightness between the rear connecting piece and the angle adjusting piece, and an operator can adjust the tightness according to own preference in the using process of equipment so as to adapt to the preference requirement of force application of the individual during angle adjustment; the corresponding joints can be further locked, so that the movable joints have priority when the angle is adjusted; and can lock a certain joint to be incapable of rotating.
The invention creates a front locking piece combined by a front adjusting screw and a front fixing column, and the front locking piece is matched with an angle adjusting piece and a front connecting piece for use. The front adjusting screw is arranged on a spherical radius formed at the joint of the front connecting piece and the angle adjusting piece, the front connecting piece rotates around the front adjusting screw, and the angle rotating mechanism has the advantage that the rotating angle is not restricted, namely the angle rotating mechanism can rotate at an infinite angle.
The invention reduces the friction force between the front adjusting screw and the angle adjusting piece by arranging the front plane bearing, increases the friction system of the contact surface of the front adjusting screw and the angle adjusting piece, and increases the stress adjusting interval.
Drawings
Fig. 1 is a schematic structural diagram of the invention.
Fig. 2 is a cross-sectional view of the inventive structure.
Fig. 3 is a first perspective view of the present invention.
Fig. 4 is a schematic perspective view of the present invention.
Fig. 5 is an exploded view of the inventive structure.
Fig. 6 is a sectional view of a part of the inventive structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.
In the description of the invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood in specific cases by those of ordinary skill in the art.
The silencing mechanism suitable for the beside-mouth droplet suction device provided by the invention ensures silencing and has higher flexibility. The mechanism includes a resistive muffling portion 100 for reducing air intake noise; the pipeline section of the reactive muffling part 100 is provided with a converging structure 101 and an expanding structure 102, and the converging structure 101 and the expanding structure 102 enable air flow flux in the same space to be different at the same time so as to change the sound transmission frequency and achieve the purpose of noise reduction. Preferably, a rotating mechanism is conveniently arranged on a pipeline section with larger air flow flux of the resistant noise reduction pipeline, so that the influence on noise reduction is small, and the structural construction and assembly are convenient; therefore, the mechanism for adjusting the angle is arranged on the section of the pipeline section, and the advantages of easy production process, lower cost, good use stability, high structural strength and the like are achieved. The resistant muffling portion 100 includes at least a front locking member 1011, a front connecting member 2 and an angle adjusting member 4; the angle adjusting piece 4 is in a bent pipe shape, and the front connecting piece 2 and the rear connecting piece 3 form a bent part with a bent degree after passing through the angle adjusting piece 4; the angle of the turning angle adjusting piece 4 is determined by the angle adjusting size. By setting the bending degree, when the angle adjusting piece 4 is rotated, the conversion of the front and rear joints on the angle turning position in space can be correspondingly adjusted, and the angle turning between the front connecting piece and the pipeline and the angle turning between the rear connecting piece and the pipeline are matched, so that the invention has flexibility.
The invention provides a better embodiment, a front connecting piece 2 with a bending structure is matched with an angle adjusting piece 4, the angle adjusting piece 4 and the front connecting piece 2 are respectively provided with a bending degree, the front connecting piece 2 is provided with a first bending direction relative to the angle adjusting piece 4, when the angle adjusting piece 4 or the front connecting piece 2 is rotated, the front connecting piece is provided with a second bending direction, and the front connecting piece is rotated to the second bending direction through the first bending direction so as to adjust the requirement with a proper angle.
The invention provides a better implementation scheme, a rear connecting piece 3 with a bending structure is matched with an angle adjusting piece 4, the angle adjusting piece 4 and the rear connecting piece 3 are respectively provided with a bending degree, the rear connecting piece 3 is provided with a third bending direction relative to the angle adjusting piece 4, when the angle adjusting piece 4 or the rear connecting piece 3 is rotated, the rear connecting piece is provided with a fourth bending direction, and the rear connecting piece is rotated to the fourth bending direction through the third bending direction so as to meet the requirement of angle adjustment.
The combination of the first bending direction, the second bending direction, the third bending direction and the fourth bending direction ensures that the invention has high flexibility and adaptability and can improve the application adaptability of the product.
As a preferred scheme, the invention provides a front locking piece 1011 for adjusting the damping of the front connecting piece 2 and the angle adjusting piece 4; angle modulation 4 connects between preceding connecting piece 2 and back connecting piece 3, and the contained angle between adjustable preceding connecting piece 2 and the back connecting piece 3, and angle modulation 4 is together fixed through preceding retaining member 1011 with preceding connecting piece 2. The damping is adjusted by rotating the front locking piece 1011, so that the angle adjusting force is correspondingly adjusted to adapt to the individual requirement of the adjusting force and achieve real-time angle adjustment and fixation; when adjusting to suitable angle, can realize the non-adjustable fixed of angle, can rotate front locking piece 1011 increase resistance, fix the joint connection angle, prevent that the angle of this joint from being adjusted and making front connecting piece 2 and angle modulation piece 4 can not the relative rotation.
The angle adjusting member 4 is rotatably coupled to the rear link 3. The angle adjusting piece 4 is connected with the rear connecting piece 3, and the joint can rotate relatively to adjust the angle.
The angle adjusting member 4 is rotatably coupled to the rear link 3. The angle adjusting piece 4 is connected with the rear connecting piece 3, and the joint can rotate relatively to adjust the angle.
In one embodiment, the rear locking member 1021 is used to adjust the amount of damping between the rear connecting member 3 and the front locking member 1011. The angle adjusting member 4 is rotatably coupled to the front link 2. Namely, the end face of the angle adjusting piece 4 connected with the front connecting piece 2 can rotate relatively.
Preceding connecting piece 2 is including preceding connection terminal surface 21, and angle adjusting part 4 is terminal surface 41 and regulation rear end face 42 before adjusting the main part, adjusting, and terminal surface 41 and regulation rear end face 42 non-parallel arrangement before adjusting, and terminal surface 41 is the ring form before adjusting, and preceding connection terminal surface 21 is the ring form setting corresponding to terminal surface 41 before adjusting, and terminal surface 41 and preceding connection terminal surface 21 looks crimping are in the same place before adjusting.
Preferably, the front locking member 1011 includes a front adjusting screw 103 and a front fixing post 104, wherein one end of the front adjusting screw 103 is provided with a front handle 105, and the other end passes through the front connecting member 2 and is connected with the front fixing post 104. The front connecting piece 2 is in a spherical crown shape, and the front connecting piece 2 comprises a circular front connecting end surface 21 and a front adjusting screw hole 103 matched with the front adjusting screw 103; the angle adjusting piece 4 comprises an adjusting front end face 41 which is arranged corresponding to the front connecting end face 21 and is in a circular ring shape; the middle part of the front fixing column 104 is provided with a front screw hole 22, and two ends of the front fixing column are fixedly connected with the angle adjusting piece 4; one end of the front adjusting screw 103 passes through the front screw hole 22 and is connected to the front fixing post 104, so that the front connecting member 2 can rotate around the front adjusting screw 103 at any angle.
The invention provides a front locking mechanism which is matched with a front fixing column 104 through a front adjusting screw 103 and is in a T-shaped structure. Wherein, the front fixing column 104 is fixedly connected with the angle adjusting piece 4, and the front adjusting screw 103 is adjustably connected with the front fixing column 104; the handle end is matched and connected with the front connecting piece 2, so that the front connecting piece 2 can adjust displacement through rotation along the axial direction of a front adjusting screw, namely, the size of a gap between the front connecting piece 2 and the angle adjusting piece 4 is adjusted through rotating the handle, the size of friction between the front connecting piece 2 and the angle adjusting piece 4 is adjusted, and the friction coefficient between the front connecting piece 2 and the angle adjusting piece 4 is adjusted; and the angle is adjusted by making the angle adjusting piece 4 correspond to the front connecting piece 2.
The angle adjustment and the damping adjustment are relatively independent. Angle modulation is realized to angle modulation 4 and preceding connecting piece 2, and preceding locking screw cooperatees the frictional force between angle modulation 4 and preceding connecting piece 2 with preceding fixed column for angle modulation can accomplish relatively independently, and mutually noninterfere during the regulation.
In order to achieve the purpose that the friction force between the angle adjustment and the front connecting piece 2 is more independent when the angle adjustment and the front connecting piece 2 rotate relatively, when the angle adjustment piece or the front connecting piece is rotated, the front adjusting screw does not rotate along with the angle adjustment, and the aim of adjusting the damping between the handle and the front connecting piece 2 and the connecting piece is not influenced, the front plane bearing 1012 is arranged, the plane bearing comprises a first panel, a plane bearing body and a second panel, the first panel and the front connecting piece 2 are connected together in a compression joint, a fixed connection or an adhesion mode, the second panel and the front handle 105 are connected together in a compression joint, a fixed connection or an adhesion mode, and the plane bearing body is arranged between the first panel and the second panel; when the front connecting piece and/or the angle adjusting piece are rotated, the plane bearing body rotates relative to the first panel and the second panel, the front adjusting screw does not rotate, and the rotating friction force does not change.
As a priority scheme, the end face of the front handle opposite to the first panel, the plane bearing body, the second panel and the end face of the second panel opposite to the angle adjusting piece are in compression joint, so that the assembly is simple and convenient, the friction force between the first panel and the angle adjusting piece is large, the friction force between the first panel and the plane bearing body is small, the friction force between the second panel and the front handle 105 is large, and the friction force between the second panel and the plane bearing body is small; the front handle, the first panel front fixing piece and the angle adjusting piece rotate in the same step, and the second panel and the front connecting piece rotate along with each other; when the angle adjusting piece 4 rotates relative to the front connecting piece 2, the front adjusting screw 103 rotates synchronously with the angle adjusting piece 4, the angle adjusting piece and the second panel rotate synchronously, and the damping between the front connecting piece and the angle adjusting piece cannot change. The front fixing column 104 and the angle adjusting piece 4 are fixed together and rotate synchronously, and if the front fixing column is a first rotating body; the front connecting piece 2 and the first panel rotate synchronously, and the first rotating body and the second rotating body rotate reversely; the relative rotation between the first rotating body and the second rotating body is not interfered, and great convenience is brought to the adjustment in the medical treatment process.
The difference from the previous embodiment is that a plane bearing is arranged between the front screw hole 22 and the front handle, and the front adjusting screw passes through the plane bearing and then is connected with the front fixing column. Between the front adjusting screw 103 and the front attachment 2. The front bearing surface may be connected to the front connector 2 or to the front handle 105.
The mechanism further comprises a front annular guide rail 43, a front angle adjusting guide groove 44 is formed between the angle adjusting piece 4 and the front annular guide rail 43, a front connecting piece guide groove 22 is formed in the front connecting piece 2 and corresponds to the front annular guide rail 43, and the front annular guide rail 43 is arranged in an annular closed cavity formed by the front angle adjusting guide groove 44 and the front connecting piece guide groove 22 in a surrounding mode. The annular closed cavity is also internally provided with a lubricant which is beneficial to the relative rotation between the front connecting piece 2 and the angle adjusting piece 4. The groove rail structure is arranged at the joint end face of the front annular guide rail 43 and the angle adjusting piece 4, so that the smooth and stable rotation is ensured, the end faces are connected, the appearance is attractive, the friction force is small, and the rotation is light; while still facilitating the aforementioned engagement of the front handle 105 with the front fixing stud structure.
The mechanism further comprises a resistive noise elimination part 200, and the resistive noise elimination part 200 is not perpendicular to the front connection end face 21. The resistive muffler portion 200 includes an outer tube and a tubular material muffler body, and the material muffler body is sleeved in the outer tube. The resistive noise elimination part 200 further comprises an entrance part 109 in a wide-mouth shape, the entrance part 109 comprises an integrally formed wide mouth, a separation net 108 and a clamping position, the front part of the clamping position is provided with a pressing position 110 for preventing excessive position and a flat sealing groove 111 for arranging colloid, the clamping position is clamped with the inner wall of the outer pipe together, the pressing position 110 is pressed against the front end of the sleeve pipe and fixes the material noise elimination body.
The angle adjusting member 4 and the front connecting member 2 are coupled in a sealed manner by the front annular guide groove and the front annular guide rail 43.
The rear locking member 1021 comprises a rear adjusting screw 303 and a rear fixing column 304, wherein one end of the rear adjusting screw 303 is provided with a handle, and the other end of the rear adjusting screw 303 penetrates through the rear connecting member 3 and is connected with the fixing column. The rear connecting piece 3 comprises a circular rear connecting end surface and a rear screw hole matched with the rear adjusting screw 303; the angle adjusting piece 4 also comprises an adjusting rear end face 42 which is arranged corresponding to the rear connecting end face and is in a circular ring shape; the middle part of the fixed column is provided with a rear screw hole, and two ends of the fixed column are fixedly connected with the angle adjusting piece 4; one end of the rear adjusting screw 303 passes through the rear screw hole to be connected to the fixing post, so that the rear connecting member 3 can rotate around the rear adjusting screw 303 by any angle. The front connecting piece 2 and the front locking piece 1011 are arranged similarly to the front locking piece 1011 and the front connecting piece 2, and the structural description is omitted.
An obtuse angle with a fixed angle is formed between the front adjusting screw and the rear adjusting screw. The included angle formed between the front adjusting screw and the rear adjusting screw
The mechanism also comprises a plane bearing, a back bearing surface is arranged between the back screw hole and the back adjusting screw, and the plane bearing is arranged between the back adjusting screw and the back screw hole.
The mechanism also comprises a rear annular guide rail, the angle adjusting piece and the rear connecting piece are correspondingly and respectively provided with a rear annular guide groove, and the rear annular guide rail is respectively arranged in the rear annular guide grooves.
The rear annular guide groove and the rear annular guide rail hermetically connect the angle adjusting member and the rear connecting member.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (16)
1. A silencing mechanism suitable for a nearby-mouth droplet suction device, which is characterized in that,
the mechanism includes a resistive muffling portion for reducing air intake noise; the reactive noise elimination part is a cavity with adjustable bending direction, and comprises:
a front connector;
a rear connector;
the angle adjusting piece is in a bent pipe shape, is connected between the front connecting piece and the rear connecting piece and adjusts an included angle between the front connecting piece and the rear connecting piece;
the front locking piece is used for adjusting the damping of the front connecting piece and the front locking piece;
the rear locking piece is used for adjusting the damping of the rear connecting piece and the front locking piece;
the angle adjusting piece and the rear connecting piece are rotatably connected together, and the angle adjusting piece and the front connecting piece are rotatably connected together.
2. The sound deadening mechanism for a device for attracting mist by mouth as claimed in claim 1,
preceding connecting piece is including preceding connection terminal surface, the angle adjusting part is terminal surface and regulation rear end face before adjusting the main part, adjusting, terminal surface and regulation rear end face non-parallel arrangement before adjusting, the terminal surface is cyclic annular before adjusting, preceding connection terminal surface corresponding to the terminal surface is the ring form setting before adjusting, terminal surface and preceding connection terminal surface looks crimping are in the same place before adjusting.
3. The silencing mechanism for the device for sucking the fly-ash beside the mouth as claimed in claim 2,
the front locking piece comprises a front adjusting screw and a front fixing column,
one end of the front adjusting screw is provided with a handle, and the other end of the front adjusting screw penetrates through the front connecting piece to be connected with the fixed column.
4. The silencing mechanism for the device for sucking the fly-ash beside the mouth as claimed in claim 3,
the front connecting piece is in a spherical crown shape and comprises a circular front connecting end surface and a front screw hole matched with the front adjusting screw; the angle adjusting piece comprises an adjusting front end face which is arranged corresponding to the front connecting end face and is in a circular ring shape;
the middle part of the fixed column is provided with a front screw hole, and two ends of the fixed column are fixedly connected with the angle adjusting piece;
one end of the front adjusting screw penetrates through the front screw hole to be connected to the fixed column, so that the front connecting piece can rotate around the front adjusting screw at any angle.
5. The silencing mechanism for the device for sucking the fly-ash beside the mouth as claimed in claim 4,
the mechanism further comprises a plane bearing, a front bearing surface is further arranged between the front screw hole and the front adjusting screw, and the plane bearing is arranged between the front adjusting screw and the front connecting piece.
6. The sound deadening mechanism for a device for attracting mist by mouth as claimed in claim 5,
the mechanism further comprises a front annular guide rail, the angle adjusting piece is provided with a front angle adjusting guide groove corresponding to the annular guide rail, the front connecting piece is provided with a front connecting piece guide groove corresponding to the front annular guide rail, and the front annular guide rail is arranged in an annular closed cavity formed by the front angle adjusting guide groove and the front connecting piece guide groove in a surrounding mode.
7. The sound deadening mechanism for a device for attracting mist by mouth as claimed in claim 6,
the mechanism further comprises a resistive noise elimination part, and the resistive noise elimination part and the front connecting end face are arranged in a non-perpendicular mode.
8. The sound deadening mechanism for a device for attracting mist by mouth as claimed in claim 7,
the resistive silencing part comprises an outer pipe and a material silencing body arranged in a tubular shape, and the material silencing body is sleeved in the outer pipe.
9. The sound deadening mechanism for a device for attracting mist by mouth as claimed in claim 8,
resistive noise elimination portion is still including the entering into portion that is wide mouthful form, entering into portion includes integrated into one piece's wide-mouth, separates net and joint position, joint position front portion is equipped with the flat seal groove that supports tight position and be used for setting up the colloid of preventing the position, the joint position is in the same place with the inner wall looks joint of outer tube, support tight position and sheathed tube front end support tightly and with the material noise elimination body fixed.
10. The sound deadening mechanism for a device for attracting mist by mouth as claimed in claim 9,
the angle adjusting piece and the front connecting piece are hermetically connected through the front annular guide groove and the front annular guide rail.
11. The sound deadening mechanism for a device for attracting mist by mouth as claimed in claim 10,
the rear locking piece comprises a rear adjusting screw and a rear fixing column,
one end of the rear adjusting screw is provided with a handle, and the other end of the rear adjusting screw penetrates through the rear connecting piece to be connected with the fixed column.
12. The sound deadening mechanism for a device for attracting mist by mouth as recited in claim 11,
the rear connecting piece comprises a circular rear connecting end surface and a rear screw hole matched with the rear adjusting screw; the angle adjusting piece also comprises an adjusting rear end face which is arranged corresponding to the rear connecting end face and is in a circular ring shape;
the middle part of the fixed column is provided with a rear screw hole, and two ends of the fixed column are fixedly connected with the angle adjusting piece;
one end of the rear adjusting screw penetrates through the rear screw hole to be connected to the fixing column, so that the rear connecting piece can rotate around the rear adjusting screw at any angle.
13. The sound deadening mechanism for a device for attracting mist by mouth as recited in claim 12,
an obtuse angle with a fixed angle is formed between the front adjusting screw and the rear adjusting screw.
14. The sound deadening mechanism for a device for attracting mist by mouth as recited in claim 13,
the mechanism further comprises a plane bearing, a rear bearing surface is arranged between the rear screw hole and the rear adjusting screw, and the plane bearing is arranged between the rear adjusting screw and the rear screw hole.
15. The sound deadening mechanism for a device for attracting mist by mouth as recited in claim 14,
the mechanism further comprises a rear annular guide rail, the angle adjusting piece and the rear connecting piece are correspondingly and respectively provided with a rear annular guide groove, and the rear annular guide rail is respectively arranged in the rear annular guide grooves.
16. The sound deadening mechanism for a device for attracting mist by mouth as claimed in claim 15,
the rear annular guide groove and the rear annular guide rail hermetically connect the angle adjusting piece and the rear connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010598946.8A CN113847503A (en) | 2020-06-28 | 2020-06-28 | Silencing mechanism suitable for other droplet suction device of mouth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010598946.8A CN113847503A (en) | 2020-06-28 | 2020-06-28 | Silencing mechanism suitable for other droplet suction device of mouth |
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| Publication Number | Publication Date |
|---|---|
| CN113847503A true CN113847503A (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010598946.8A Pending CN113847503A (en) | 2020-06-28 | 2020-06-28 | Silencing mechanism suitable for other droplet suction device of mouth |
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| Country | Link |
|---|---|
| CN (1) | CN113847503A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19650134A1 (en) * | 1996-12-03 | 1998-06-04 | Zubler Geraetebau | Suction arm for use in dental practice or treatment room |
| JP2009275387A (en) * | 2008-05-14 | 2009-11-26 | Shikoku:Kk | Vertical handrail |
| CN103764213A (en) * | 2011-07-08 | 2014-04-30 | 雷斯梅德有限公司 | Swivel elbow and connector assembly for patient interface systems |
| CN109310451A (en) * | 2016-04-14 | 2019-02-05 | 美敦力施美德公司 | Rotational knuckle interconnecting piece |
| CN111297504A (en) * | 2020-03-25 | 2020-06-19 | 广州市通力生物技术有限公司 | Oral cavity droplet protection instrument |
-
2020
- 2020-06-28 CN CN202010598946.8A patent/CN113847503A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19650134A1 (en) * | 1996-12-03 | 1998-06-04 | Zubler Geraetebau | Suction arm for use in dental practice or treatment room |
| JP2009275387A (en) * | 2008-05-14 | 2009-11-26 | Shikoku:Kk | Vertical handrail |
| CN103764213A (en) * | 2011-07-08 | 2014-04-30 | 雷斯梅德有限公司 | Swivel elbow and connector assembly for patient interface systems |
| CN109310451A (en) * | 2016-04-14 | 2019-02-05 | 美敦力施美德公司 | Rotational knuckle interconnecting piece |
| CN111297504A (en) * | 2020-03-25 | 2020-06-19 | 广州市通力生物技术有限公司 | Oral cavity droplet protection instrument |
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