CN220109894U

CN220109894U - Oral cavity spreader

Info

Publication number: CN220109894U
Application number: CN202321194778.1U
Authority: CN
Inventors: 宗志梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2023-12-01
Anticipated expiration: 2033-05-17

Abstract

The utility model discloses an oral cavity spreader, comprising: the first stretching arm is provided with a first stretching part, the second stretching arm is provided with a second stretching part, and the first stretching arm and the second stretching arm can be rotatably connected so that the first stretching part and the second stretching part can be far away from each other or close to each other; the supporting component comprises a rotating seat, a propping piece and a locking piece, the rotating seat is connected with the second propping part, the rotating seat is provided with a containing cavity, and the inner cavity wall of the containing cavity is provided with a locking groove; the propping piece is arranged in the accommodating cavity in a telescopic way, the propping piece is used for propping the first propping part, one side of the propping piece, which faces the locking groove, is provided with a mounting groove, the locking piece is movably arranged in the mounting groove, one end of the locking piece is matched with the mounting groove, the other end of the locking piece can be matched with the locking groove, and the propping piece is limited to move towards the depth direction of the accommodating cavity, so that the first propping part and the second propping part can be mutually far away. The technical scheme of the utility model can improve the convenience of opening the livestock mouth.

Description

Oral cavity spreader

Technical Field

The utility model relates to the technical field of livestock oral cavity opening, in particular to an oral cavity opening device.

Background

With the progress of science and technology, livestock breeding is more and more scientific and specialized. In livestock breeding, it is inevitable to perform activities such as routine medical examination, disease treatment, etc. on animals, in which it is often necessary to check oral conditions of animals to confirm physical health of livestock through oral cavity.

Because animals are not humanized, people cannot be actively matched, when the mouth is checked, the mouth of the livestock needs to be manually broken, but when the mouth is operated by a single person, the mouth is difficult to check when the mouth of the livestock is broken, and the inconvenience of checking is caused.

Disclosure of Invention

The utility model mainly aims to provide an oral cavity spreader, which aims to solve the technical problem that a single person is difficult to spread the livestock oral cavity.

To achieve the above object, the present utility model provides an oral cavity dilator comprising:

the first stretching arm is provided with a first stretching part, the second stretching arm is provided with a second stretching part, and the first stretching arm and the second stretching arm can be rotatably connected so that the first stretching part and the second stretching part can be far away from each other or close to each other;

the supporting component comprises a rotating seat, a propping piece and a locking piece, wherein the rotating seat is connected with the second propping part and is provided with a containing cavity, and the inner cavity wall of the containing cavity is provided with a locking groove; the supporting piece is telescopic to be set up in hold the chamber, the supporting piece be used for with first portion butt that struts, the supporting piece orientation one side of locking groove has the mounting groove, the locking piece movable set up in the mounting groove, so that the one end of locking piece with the mounting groove cooperation, the other end can with the locking groove cooperation is in order to restrict the supporting piece orientation hold the chamber deep direction removal in chamber, so that first portion that struts with the second portion that struts can keep away from each other.

Optionally, the support assembly further includes a driving spring, the driving spring is disposed in the mounting groove, one end of the driving spring abuts against the abutting piece, and the other end abuts against the locking piece, so that the driving spring can drive one end of the locking piece to enter the locking groove.

Optionally, the rotating seat is provided with a mounting hole communicated with the locking groove;

the support assembly further comprises an unlocking button, the unlocking button can be arranged in the mounting hole in a moving mode in the depth direction of the mounting hole, the unlocking button is used for propping the locking piece to withdraw from the locking groove, the propping piece can move towards the depth direction of the accommodating cavity, and the first stretching portion and the second stretching portion can be close to each other.

Optionally, the unlocking button includes a propping portion located in the locking groove and a pressing portion located in the mounting hole, and the radial dimension of the propping portion is greater than the radial dimension of the mounting hole.

Optionally, the locking piece orientation one side of locking groove has two butt muscle, two the interval sets up between the butt muscle, two the length direction of butt muscle with the length direction of propping the piece is parallel, the butt muscle deviate from one side of locking piece with hold the chamber wall butt in chamber.

Optionally, the support assembly further comprises a reset tension spring, the reset tension spring is arranged in the accommodating cavity, one end of the reset tension spring is connected with the cavity bottom of the accommodating cavity, the other end of the reset tension spring is connected with one end of the propping piece facing the bottom of the accommodating cavity, and the reset tension spring is used for pulling the propping piece to move towards the depth direction of the accommodating cavity.

Optionally, the second spreader arm has a first driving portion connected to the second spreader portion, and the first spreader arm has a second driving portion connected to the second spreader portion;

the second opening part is provided with a mounting surface, the mounting surface is connected with the side surface, facing the first driving part, of the second driving part, and the rotating seat is rotatably connected with the mounting surface;

the first propping part is provided with a propping protrusion, the propping protrusion is positioned on one side of the first propping part facing the rotating seat, and the propping protrusion is used for propping the propping end.

Optionally, the oral cavity spreader further comprises a rotating shaft and a torsion spring, wherein the rotating shaft is fixedly connected with the second spreading part, and the rotating shaft is rotatably connected with the rotating seat;

the torsion spring is sleeved on the rotating shaft, two ends of the torsion spring are respectively provided with a first torsion arm and a second torsion arm, the first torsion arm is connected with the rotating seat, and the second torsion arm is connected with the second opening part;

the torsion spring is used for driving the rotating seat to rotate, so that when the first expanding part and the second expanding part are far away from each other, the rotating seat can rotate along with the rotation of the first expanding part and the second expanding part, and the propping piece is propped against the propping protrusion along with the rotation of the rotating seat.

Optionally, the first opening part comprises a first avoiding section and a first opening section which are connected, the first opening section is configured to be abutted against the inner wall of the livestock mouth, one end of the first avoiding section, which is far away from the first opening section, is connected with the first driving part, and the abutting bulge is positioned on the first avoiding section; and/or the number of the groups of groups,

the second opening part comprises a second avoiding section and a second opening section which are connected, the second opening section is configured to be abutted against the inner wall of the livestock mouth, the second avoiding Duan Yuan is away from one end of the second opening section and is connected with the second driving part, and the rotating seat is rotatably connected with the second avoiding section.

Optionally, if the first propping portion includes a first avoidance section and a first propping section, the number of the propping protrusions is plural, and the plurality of propping protrusions are arranged at intervals along the length direction of the first avoidance section.

According to the oral cavity spreader, the first spreading arm is rotationally connected with the second spreading arm, the rotating seat is connected with the second spreading part, the propping piece is telescopically arranged in the accommodating cavity of the rotating seat, and the locking piece is movably arranged in the mounting groove of the propping piece, so that when the mounting groove is opposite to the locking groove, one end of the locking piece can enter the locking groove, the other end of the locking piece is positioned in the mounting groove, the locking piece can limit the propping piece to move along the depth direction of the accommodating cavity, and the propping piece can limit the first spreading part and the second spreading part to be mutually close. When needs prop up the poultry mouth, only need prop up first portion that struts and second and prop up the portion and set up in the poultry mouth to first portion that struts and second prop up the portion and correspond respectively the upper jaw and the lower jaw of poultry mouth, the first portion that struts of redress and second prop up the portion and keep away from each other, and prop up supporting component's propping piece and first portion that struts, make first portion that struts and second prop up the portion and can't be closed, thereby make the oral cavity of poultry open, because first portion that struts is propped by propping the piece, make operating personnel's hand when opening the oral cavity and prop up the ware, first portion that struts and second struts also can't be closed, make the poultry mouth also can't be closed. Thus, the operator can conveniently detect the oral cavity of the livestock or irrigate the livestock with medicine. When the oral examination of completion poultry or accomplish and irritate the medicine, loosen the support of supporting piece and first portion of propping for first portion of propping up and second portion of propping up can be closed, and the poultry mouth also can be closed, so, has improved the convenience of using.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained from the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the structure of an oral cavity spreader of the present utility model;

FIG. 2 is a schematic view of an exploded construction of a first and second spreader arms of the oral spreader of the present utility model;

FIG. 3 is a schematic view of the structure of a second spreader arm of the oral spreader of the present utility model;

FIG. 4 is a schematic view of the cross-sectional structure at I in FIG. 3;

FIG. 5 is a schematic view of the structure of the oral distractor support assembly of the present utility model;

FIG. 6 is a schematic view of the cross-sectional structure at A-A in FIG. 5;

FIG. 7 is a schematic view of an exploded construction of the oral spreader support assembly of the present utility model;

fig. 8 is a schematic structural view of a locking member in the oral cavity expander of the present utility model.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name	Reference numerals	Name of the name
						11	A first opening part	25	Second avoidance section	34	Driving spring
12	A first driving part	3	Support assembly	35	Unlocking button
						13	Abutment projection	31	Rotary seat	351	Abutting part
14	A first propping-up section	311	Accommodating chamber	352	Pressing part
						141	First convex cambered surface	312	Locking groove	36	Reset tension spring
15	First avoidance section	313	Mounting hole	4	Rotating shaft
						21	A second opening part	32	Abutting piece	5	Torsion spring
22	A second driving part	321	Mounting groove	51	First torsion arm
						23	Mounting surface	322	Abutting top end	52	Second torsion arm
24	Second spreader section	33	Locking piece
						241	Second convex cambered surface	331	Abutting rib

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides an oral cavity spreader. Is used for expanding the oral cavity of livestock including cattle, sheep, pig, horse or donkey.

In an embodiment of the present utility model, as shown in fig. 1 to 8, the oral distractor includes: a first spreader arm having a first spreader portion 11 and a second spreader arm having a second spreader portion 21, the first spreader arm and the second spreader arm being rotatably connected so that the first spreader portion 11 and the second spreader portion 21 can be separated from each other or brought close to each other; the support assembly 3, the support assembly 3 includes a rotating seat 31, a propping piece 32 and a locking piece 33, the rotating seat 31 is connected with the second propping part 21, the rotating seat 31 is provided with a containing cavity 311, and the inner cavity wall of the containing cavity 311 is provided with a locking groove 312; the propping piece 32 is telescopically arranged in the accommodating cavity 311, the propping piece 32 is used for propping against the first propping part 11, one side of the propping piece 32 facing the locking groove 312 is provided with a mounting groove 321, the locking piece 33 is movably arranged in the mounting groove 321, one end of the locking piece 33 is matched with the mounting groove 321, and the other end of the locking piece 33 is matched with the locking groove 312, so that the propping piece 32 is limited to move towards the cavity depth direction of the accommodating cavity 311, and the first propping part 11 and the second propping part 21 can be separated from each other.

Specifically, in this embodiment, the oral cavity spreader includes a first spreader arm, a second spreader arm, and a support assembly 3, where the first spreader arm and the second spreader arm are rotatably connected by a connecting piece, so that two ends of the first spreader arm and the second spreader arm can be close to each other or far away from each other. The connecting piece can be rotation axis, pin or bolt etc. this embodiment connecting piece is the bolt and illustrates for the example, through opening the rotation hole respectively at first strut arm and second strut arm, the connecting piece passes two rotation holes for first strut arm and second strut arm can be around the connecting piece, when the connecting piece is the bolt, can restrict first strut arm and second strut arm through the nut after the one end of connecting piece passes two rotation holes, also can pass the radial grow of the one end of two rotation holes with the connecting piece through the mode with die casting, make first strut arm and second strut arm unable separation. The support assembly 3 may be connected to the second spreader arm in a rotatable manner or may be fixedly connected to the second spreader arm, which is not particularly limited herein. The support assembly 3 is used to prop up the first prop-up portion 11 and the second prop-up portion 21 so that the first prop-up portion 11 and the second prop-up portion 21 cannot be closed. The first propping part 11 is used for propping against the upper jaw or the lower jaw of the livestock oral cavity, the second propping part 21 is used for propping against the upper jaw or the lower jaw of the oral cavity, but only one of the second propping part 21 and the first propping part 11 is propped against the upper jaw of the livestock oral cavity, and the other is propped against the lower jaw of the livestock oral cavity, so that the first propping part 11 and the second propping part 21 respectively correspond to the upper jaw and the lower jaw of the livestock oral cavity, and the first propping part 11 and the second propping part 21 can prop open the livestock oral cavity.

The first and second distracting parts 11, 21 are driven away from each other by manual driving. The ends of the first and second spreader portions 11, 21 are arranged in the animal mouth, so that the animal mouth is facilitated to open.

The support assembly 3 includes a rotating seat 31, an abutting part 32 and a locking part 33, the rotating seat 31 is in a block shape, one end of the rotating seat 31 is connected with the second opening part 21, and the rotating seat 31 can be fixedly connected with the second opening part 21 or can be rotationally connected. When the rotary seat 31 is fixedly connected to the second opening portion 21, the longitudinal direction of the rotary seat 31 faces the first opening portion 11, but when the first opening portion 11 and the second opening portion 21 are closed, the rotary seat 31 cannot interfere with the first opening portion 11, for example, by providing a recess for avoiding the rotary portion in the first opening portion 11. When the rotating seat 31 is rotatably connected to the second opening portion 21, the rotating seat 31 can be rotated to avoid the first opening portion 11 when the first opening portion 11 and the second opening portion 21 are closed.

The rotating seat 31 has a receiving cavity 311, and an orifice of the receiving cavity 311 is opened at an end of the rotating seat 31 away from the second opening portion 21, so that an opening of the receiving cavity 311 can face the first opening portion 11. The rotating seat 31 further has a locking groove 312, the locking groove 312 communicates with the accommodating chamber 311 while the locking groove 312 is disposed adjacent to the opening of the accommodating chamber 311, and in addition, the locking groove 312 has a size larger than that of the locking member 33 so that the locking member 33 can enter the locking groove 312. The propping piece 32 is in a block shape, and the propping piece 32 is movably arranged in the accommodating cavity 311, that is, the propping piece 32 can make telescopic movement on the rotating seat 31, so that the propping piece 32 can move along the depth direction of the accommodating cavity 311. The abutment 32 is used for abutting against the first stretching portion 11, so that the first stretching portion 11 and the second stretching portion 21 can be stretched by the abutment 32. In some examples, to improve the stability of the opening of the first opening portion 11 and the second opening portion 21, the first opening portion 11 may be provided with an abutment notch, an abutment groove, or an abutment projection for the abutment of the abutment member 32, so as to improve the stability of the abutment member 32 with the first opening portion 11. The accommodating groove is used for installing the locking piece 33, and the thickness of the locking piece 33 is smaller than the groove depth of the accommodating groove, that is, when the locking piece 33 is installed in the accommodating groove, the locking piece 33 can be located in the accommodating groove entirely. The size of the locking member 33 is slightly smaller than the size of the mounting groove 321 so that the locking member 33 can move in the mounting groove 321. When the locking groove 312 is opposite to the mounting groove 321, there are various ways of driving the locking member 33 to move toward the locking groove 312, and the locking member 33 may be pulled into the locking groove 312 by gravity (i.e., turning the oral cavity distractor so that the mounting groove 321 is located above the locking groove 312) or by providing an iron or a magnet on the locking member 33 and pulling one end of the locking member 33 into the locking groove 312 by another magnet. In this way, the abutment 32 can abut against the first distracted part 11, thereby limiting the first distracted part 11 and the second distracted part 21 from approaching each other.

When using the oral cavity struts, all set up the expansion end of first portion 11 that struts and second portion 21 in the poultry mouth to first portion 11 that struts and second portion 21 correspond respectively to the upper jaw and the lower jaw of poultry, and first portion 11 that struts and second portion 21 can be perpendicular with the length direction of poultry mouth, also can be parallel with the length direction of poultry mouth, and this embodiment is explained with perpendicular as the example with poultry length direction. The first propping part 11 and the second propping part 21 are driven to be far away from each other, the propping piece 32 is extended, the locking groove 312 is opposite to the mounting groove 321, one end of the locking piece 33 is driven to enter the locking groove 312, one end of the locking piece 33 is matched with the mounting groove 321, the other end of the locking piece 33 is matched with the locking groove 312, the propping piece 32 is propped against the first propping part 11, the livestock mouth cannot be closed, and the propping piece 32 is propped against the first propping part 11, so that the first propping part 11 cannot be closed with the second propping part 21, and the livestock mouth can be continuously propped up. At this time, the livestock mouth can be checked or drenched. When the mouth of the livestock is not required to be opened, the locking piece 33 is driven to withdraw from the locking groove 312, and the abutting piece 32 is driven to move along the depth direction of the accommodating cavity 311, so that the abutting piece 32 cannot abut against the first opening part 11, the first opening part 11 and the second opening part 21 are closed, and the mouth of the livestock can be closed.

According to the oral cavity spreader, the first spreading arm is rotationally connected with the second spreading arm, the rotating seat 31 is connected with the second spreading part 21, the propping piece 32 is telescopically arranged in the accommodating cavity 311 of the rotating seat 31, the locking piece 33 is movably arranged in the mounting groove 321 of the propping piece 32, so that when the mounting groove 321 is opposite to the locking groove 312, one end of the locking piece 33 can enter the locking groove 312, the other end of the locking piece is positioned in the mounting groove 321, the locking piece 33 can limit the propping piece 32 to move along the cavity depth direction of the accommodating cavity 311, and the propping piece 32 can limit the first spreading part 11 and the second spreading part 21 to be mutually close. When needs prop up poultry mouth, only need prop up first portion 11 and second portion 21 that struts and set up in the poultry mouth to first portion 11 and second portion 21 that struts correspond respectively to the upper jaw and the lower jaw of poultry mouth, the first portion that struts 11 of redress and second portion 21 keep away from each other, and prop up supporting component 3's abutment piece 32 and first portion 11 and prop up, make first portion and second portion 21 unable closure, thereby make the oral cavity of poultry open, because first portion 11 is propped up by abutment piece 32, make operating personnel's hand when opening the oral cavity and prop up the ware, first portion that struts and second portion also can't be closed, make the poultry mouth also unable closure. Thus, the operator can conveniently detect the oral cavity of the livestock or irrigate the livestock with medicine. When the oral examination of the livestock is completed or the medicine filling is completed, the abutting piece 32 and the abutting of the first opening part 11 are loosened, so that the first opening part 11 and the second opening part 21 can be closed, the livestock mouth can be closed, and the convenience of use is improved.

In some embodiments, as shown in fig. 6 and 7, the support assembly 3 further includes a driving spring 34, where the driving spring 34 is disposed in the mounting groove 321, and one end of the driving spring 34 abuts against the abutment member 32, and the other end abuts against the locking member 33, so that the driving spring 34 can drive one end of the locking member 33 into the locking groove 312.

The driving spring 34 is a pressure spring, and the driving spring 34 drives the locking piece 33 to move towards the locking groove 312, so that the convenience of locking the locking piece 33 is improved. In some examples, the number of drive springs 34 is two, and both drive springs 34 are located in the mounting groove 321 and at both ends of the mounting groove 321, thus improving the stability of the drive lock 33. Further, in some examples, one end of the locking member 33 facing away from the locking groove 312 has a guiding hole, the mounting groove 321 is provided with two guiding rods, the number of the guiding rods is two and the guiding rods are respectively located at two ends of the mounting groove 321, and the two driving springs 34 are sleeved in the two guiding rods, so that when the driving springs 34 drive the locking member 33 to move, the stability of the locking member 33 can be improved. Further, in order to reduce the space of the driving spring 34 occupying the installation groove 321, the bottom of the installation groove is provided with an accommodation hole, the aperture of the accommodation hole is larger than the radial direction formed by enclosing the driving spring 34, the guide rod is arranged in the accommodation hole in a fixed manner, one end of the driving spring 34 is arranged in the accommodation hole, so that the driving spring 34 can enter the accommodation hole when the driving spring 34 is compressed, and the driving spring 34 is prevented from occupying the space of the installation groove 321.

In some embodiments, as shown in fig. 6 and 7, the rotating seat 31 has a mounting hole 313 communicating with the locking groove 312; the support assembly 3 further includes an unlocking button 35, the unlocking button 35 is movably disposed in the mounting hole 313 along a depth direction of the mounting hole 313, the unlocking button 35 is used for propping the locking piece 33 to withdraw from the locking groove 312, so that the propping piece 32 can move towards a depth direction of the accommodating cavity 311, and the first propping portion 11 and the second propping portion 21 can approach each other. The unlocking button 35 may be rod-shaped or bar-shaped, and the unlocking button 35 is provided for an operator to push the locking member 33 so that the locking member 33 can be conveniently withdrawn from the locking groove 312.

In some embodiments, as shown in fig. 6 and 7, the unlocking button 35 includes a pressing portion 351 located at the locking groove 312, and a pressing portion 352 located at the mounting hole 313, the pressing portion 351 having a radial dimension greater than that of the mounting hole 313. The radial dimension of the abutment portion 351 is larger than the radial dimension of the mounting hole 313, and the unlocking button 35 can be prevented from being withdrawn from the mounting hole 313. The end of the pressing portion 352 away from the abutting portion 351 may be flush with the hole edge of the mounting hole 313, may be lower than the hole edge of the mounting hole 313, and may further protrude from the hole edge of the mounting hole 313.

In some embodiments, as shown in fig. 7 and 8, a side of the locking member 33 facing the locking groove 312 has two abutment ribs 331, the two abutment ribs 331 are disposed at intervals, the length directions of the two abutment ribs 331 are parallel to the length direction of the abutment member 32, and a side of the abutment rib 331 facing away from the locking member 33 abuts against the cavity wall of the accommodating cavity 311. Through the arrangement of the two abutting ribs 331, the contact area between the locking piece 33 and the cavity wall of the accommodating cavity 311 can be reduced, so that when the abutting piece 32 moves along the depth direction of the accommodating cavity 311, the friction force between the abutting piece 32 and the cavity wall of the accommodating cavity 311 can be reduced, and the moving convenience of the abutting piece 32 along the accommodating cavity 311 is improved.

In some embodiments, as shown in fig. 6 and 7, the support assembly 3 further includes a return tension spring 36, where the return tension spring 36 is disposed in the accommodating cavity 311, one end of the return tension spring 36 is connected to the bottom of the accommodating cavity 311, the other end is connected to an end of the abutment member 32 facing the bottom of the accommodating cavity 311, and the return tension spring 36 is used to pull the abutment member 32 to move toward the depth direction of the accommodating cavity 311.

The return tension spring 36 is an extension spring, and the return tension spring 36 is used for pulling the propping piece 32 to move towards the depth direction of the accommodating cavity 311. One end of the return tension spring 36 may be connected to the rotating seat 31 by welding, or may be connected by a snap, etc. without specific limitation, and the other end of the return tension spring 36 may be connected to the abutment 32 by welding or a snap, without specific limitation. The propping piece 32 is reset through the reset tension spring 36, so that the convenience of resetting is improved, and the propping piece 32 is prevented from being blocked.

In some embodiments, as shown in fig. 1 and 2, the second spreader arm has a first drive portion 12 connected to the second spreader portion 21, the first spreader arm has a second drive portion 22 connected to the second spreader portion 21; the second supporting part 21 has a mounting surface 23, the mounting surface 23 is connected with the side surface of the second driving part 22 facing the first driving part 12, and the rotating seat 31 is rotatably connected with the mounting surface 23; the first propping portion 11 is provided with a propping protrusion 13, the propping protrusion 13 is located on a side of the first propping portion 11 facing the rotating seat 31, and the propping protrusion 13 is used for being propped against the propping end 322.

The first driving portion 12 is used for driving the first opening portion 11 to rotate, and the first driving portion 12 may be driven manually. The second driving portion 22 is used for driving the second opening portion 21 to rotate, and the second driving portion 22 can be driven manually. By providing the swivel mount 31 to the mounting surface 23, the overall thickness of the oral distractor is advantageously reduced. The propping protrusion 13 is arranged on one side of the first opening part 11 facing the rotating seat 31, so that the propping piece 32 is conveniently propped against the propping protrusion 13, for example, when the rotating seat 31 is rotatably connected with the mounting surface 23, the first opening part 11 and the second opening part 21 can be driven to be far away from each other by the first driving part 12 and the second driving part 22, and the propping piece 32 can face the propping protrusion 13 by rotating the rotating seat 31, so that the propping piece 32 can be propped against the propping protrusion 13, and the propping stability of the propping piece 32 is improved. Meanwhile, since the rotating seat 31 can face the abutment projection 13, the abutment piece 32 is facilitated to abut against the abutment projection 13.

In some embodiments, as shown in fig. 1 to 4, the oral cavity distractor further comprises a rotating shaft 4 and a torsion spring 5, the rotating shaft 4 is fixedly connected with the second distractor part 21, and the rotating shaft 4 is rotatably connected with the rotating seat 31; the torsion spring 5 is sleeved on the rotating shaft 4, two ends of the torsion spring 5 are respectively provided with a first torsion arm 51 and a second torsion arm 52, the first torsion arm 51 is connected with the rotating seat 31, and the second torsion arm 52 is connected with the second supporting part 21; the torsion spring 5 is used for driving the rotating seat 31 to rotate, so that when the first expanding portion 11 and the second expanding portion 21 are far away from each other, the rotating seat 31 can rotate along with the rotation of the first expanding portion 11 and the second expanding portion 21, and the abutting piece 32 abuts against the abutting protrusion 13 along with the rotation of the rotating seat 31.

One end of the rotating shaft 4 is fixedly connected with the second opening part 21, and the rotating seat 31 is fixedly connected with the second opening part 21 through the rotating shaft 4, so that the rotating seat 31 can rotate relative to the second opening part 21. The torsion spring 5 is sleeved on the rotating shaft 4 and is located between the rotating seat 31 and the second stretching portion 21, so that the first torsion arm 51 of the torsion spring 5 is connected with the rotating seat 31, and the second torsion arm 52 of the torsion spring 5 is connected with the second stretching portion 21. The torsion spring 5 drives the rotation seat 31 to rotate in the clockwise direction, that is, the rotation seat 31 is driven to rotate from the end of the first stretching portion 11 away from the first driving portion 12 toward the end of the first stretching portion 11 adjacent to the first driving portion 12 by the torsion spring 5. The rotation seat 31 is driven to rotate by the torsion spring 5, so that the propping piece 32 is conveniently propped against the supporting bulge, and the convenience of using the oral cavity spreader is improved. Specifically, the side of the rotation seat 31 facing the second opening portion 21 has a first fitting hole, and the movable end of the first torsion arm 51 is disposed in the first fitting hole. The second opening part 21 has a second assembly hole facing the rotating seat 31, and the movable end of the second torsion arm 52 is disposed in the second assembly hole, so as to improve the stability of the torsion spring 5

In some embodiments, as shown in fig. 1 and 2, the first propping portion 11 includes a first avoiding section 15 and a first propping section 14 which are connected, the first propping section 14 is configured to abut against the inner wall of the mouth of the livestock, one end of the first avoiding section 15 away from the first propping section 14 is connected with the first driving portion 12, and the abutment protrusion 13 is located on the first avoiding section 15; and/or the number of the groups of groups,

the second opening part 21 comprises a second avoiding section 25 and a second opening section 24 which are connected, the second opening section 24 is configured to be abutted against the inner wall of the livestock mouth, one end, away from the second opening section 24, of the second avoiding section 25 is connected with the second driving part 22, and the rotating seat 31 is rotatably connected with the second avoiding section 25.

Through setting up in first section 15 of dodging to the protruding 13 of supporting, the rotatable coupling of section 25 is dodged with the second to rotation seat 31, is favorable to reducing the whole length of supporting component 3, can follow the length that divides utilization supporting component 3.

In some embodiments, as shown in fig. 1 and fig. 2, if the first propping portion 11 includes a first avoidance section 15 and a first propping section 14, the number of the propping protrusions 13 is plural, and the plurality of the propping protrusions 13 are arranged at intervals along the length direction of the first avoidance section 15. The supporting protrusions 13 are arranged in a plurality, so that the distance between the first supporting portion and the second supporting portion can be supported according to requirements, and the use adaptability is improved.

In some embodiments, as shown in fig. 1 and 2, if the first propped-open portion 11 includes a first avoidance segment 15, the first avoidance segment 15 is disposed in an arc shape; and/or the number of the groups of groups,

if the second expanding portion 21 includes a second avoiding section 25, the second avoiding section 25 is arc-shaped.

The first avoidance section 15 is arc-shaped, so that when the propping piece 32 is propped against the bulge 13, the area of the propping piece 32 propping against the bulge 13 can be increased, and the propping stability of the propping piece 32 is improved. The arc-shaped arrangement of the second avoidance segment 25 may facilitate increasing the length of the abutment 32, facilitating support of the abutment 32.

Specifically, in some examples, the first stretching section 14 has a first convex arc surface 141, the first convex arc surface 141 is an arc surface, the first convex arc surface 141 is used for being abutted against the inner wall of the livestock mouth, that is, the upper jaw or the lower jaw of the livestock mouth, and the first convex arc surface 141 is located on the side of the first stretching section 14 facing away from the second stretching section 24. The arrangement of the first convex arc surface 141 can increase the contact area between the first stretching section 14 and the inner wall of the livestock oral cavity, improve the stability of stretching the livestock oral cavity, and reduce the damage of the oral cavity stretching device to the livestock oral cavity. Similarly, the second stretching section 24 has a second convex arc surface 241, the second convex arc surface 241 is an arc surface, the second convex arc surface 241 is used for being abutted against the inner wall of the livestock mouth, that is, the upper jaw or the lower jaw of the livestock mouth, but one of the first convex arc surface 141 and the second convex arc surface 241 corresponds to the upper jaw of the livestock, and the other corresponds to the lower jaw of the livestock. The second convex cambered surface 241 is located on the side of the second spreader section 24 facing away from the first spreader section 14. The setting of the protruding cambered surface 241 of second can increase the area of contact of second struts section 24 and poultry oral cavity inner wall, improves the stability of struts poultry oral cavity to and reduce the injury of oral cavity struts ware to poultry oral cavity.

Further, the width of the first stretching section 14 is larger than the width of the first avoiding section 15, so that the contact area between the first stretching section 14 and the inner wall of the livestock oral cavity is further increased, and the damage of the oral cavity spreader to the livestock oral cavity is further reduced. Similarly, the width of the second spreading section 24 is larger than the width of the second avoiding section 25, so that the contact area between the second spreading section 24 and the inner wall of the livestock oral cavity is further increased, and the damage of the oral cavity spreader to the livestock oral cavity is further reduced.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. An oral distractor, the oral distractor comprising:

2. The oral distractor of claim 1 wherein the support assembly further includes a drive spring disposed in the mounting slot, one end of the drive spring abutting the abutment member and the other end abutting the locking member such that the drive spring drives one end of the locking member into the locking slot.

3. The oral distractor of claim 2 wherein the swivel mount has a mounting hole in communication with the locking groove;

4. The oral distractor of claim 3 wherein the unlocking button includes a abutment portion located in the locking groove and a pressing portion located in the mounting hole, the abutment portion having a radial dimension greater than a radial dimension of the mounting hole.

5. The oral cavity distractor according to claim 2 wherein the side of the locking piece facing the locking groove is provided with two abutting ribs, the two abutting ribs are arranged at intervals, the length directions of the two abutting ribs are parallel to the length direction of the abutting piece, and the side of the abutting ribs facing away from the locking piece abuts against the cavity wall of the accommodating cavity.

6. The oral cavity spreader of claim 1, wherein the support assembly further comprises a return tension spring, the return tension spring is disposed in the accommodating cavity, one end of the return tension spring is connected to the bottom of the accommodating cavity, the other end of the return tension spring is connected to the end of the abutment facing the bottom of the accommodating cavity, and the return tension spring is used for pulling the abutment to move in the depth direction of the accommodating cavity.

7. The oral distractor of claim 1 wherein the second distractor arm has a first drive portion connected to the second distractor portion and the first distractor arm has a second drive portion connected to the second distractor portion;

8. The oral distractor of claim 7 further comprising a rotational shaft and a torsion spring, the rotational shaft being fixedly connected to the second distractor portion, the rotational shaft being rotatably connected to the rotational mount;

9. The oral spreader of claim 7, wherein the first spreader portion comprises a first avoidance section and a first spreader section connected, the first spreader section configured to abut against an inner wall of a livestock mouth, an end of the first avoidance section remote from the first spreader section connected to the first drive portion, the abutment projection located in the first avoidance section; and/or the number of the groups of groups,

10. The oral distractor of claim 9 wherein if the first distractor includes a first relief segment and a first distractor segment, the number of abutment projections is plural and the abutment projections are spaced apart along the length of the first relief segment.