CN220385236U

CN220385236U - Expanding device for rat oral examination

Info

Publication number: CN220385236U
Application number: CN202321712701.9U
Authority: CN
Inventors: 陈雨佳; 柴艺汇; 李骁
Original assignee: Anshun Hospital Of Traditional Chinese Medicine
Current assignee: Second Affiliated Hospital Of Guizhou University Of Traditional Chinese Medicine
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2024-01-26
Anticipated expiration: 2033-07-03

Abstract

The utility model provides an expanding device for rat oral examination, which comprises two arc-shaped upper expanding plates and arc-shaped lower expanding plates which are arranged oppositely, wherein two opposite tooth limiting blocks are arranged on the opposite sides of the upper expanding plates and the lower expanding plates, two sides of one end of each upper expanding plate are provided with telescopic mechanisms, the telescopic mechanisms are used for enabling the upper expanding plates and the lower expanding plates to move oppositely, and a lockable supporting mechanism is arranged between the upper expanding plates and the lower expanding plates; the device is easy and simple to handle, can give the expansion of rat oral cavity simultaneously according to actual conditions for the inspector observes rat oral cavity internal conditions more easily, and avoids rat bite inspector's risk.

Description

Expanding device for rat oral examination

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to an expanding device for rat oral examination.

Background

The oral cavity expanding device is usually required to be used when the oral cavity examination is carried out on rats in a laboratory, so that the rats are conveniently assisted to open the oral cavity for examination, the traditional animal oral cavity expanding device is usually in a scissor type structure to assist in opening the oral cavity of the animals, the structure is required to be supported by hands for the users all the time for examination, the operation is inconvenient, the users can be tired after long-time support, the continuous examination is not facilitated, the opening degree of the expansion is small, the internal condition of the oral cavity is not easy to observe, the body can be greatly twisted during the examination due to the strong flexibility of the rats, and the animal can not be supported in the oral cavity, so that the risk of being bitten by the animals exists. In view of the above, the utility model provides a stent device which is easy to operate, and can be used for providing a stent for the oral cavity of a rat according to actual conditions, so that an inspector can observe the conditions in the oral cavity of the rat more easily, and the risk of the rat biting the inspector is avoided.

Disclosure of Invention

The utility model provides the expanding device for checking the oral cavity of the rat, which is simple and convenient to operate, and can simultaneously expand the oral cavity of the rat according to actual conditions, so that a inspector can observe the conditions in the oral cavity of the rat more easily, and the risk that the inspector is bitten by the rat is avoided, and the specific scheme is as follows:

the utility model provides an expand and prop device for rat oral examination, expands to prop the piece under including the arc that two relative settings go up and prop the piece and expand down and prop the piece and deviate from and all be equipped with two relative tooth stopper on the side, go up and expand and prop piece one end both sides and all be equipped with telescopic machanism, telescopic machanism is used for expanding and prop the piece and expand down and prop the piece and do opposite movement, go up and expand and prop the piece and expand down and prop the piece between be equipped with locking supporting mechanism.

Further, a handle is vertically connected to the lower side of one end of the lower expanding and supporting piece, and the handle and the telescopic mechanism are located on the same side.

Further, both ends of the upper expanding and supporting piece and one end of the lower expanding and supporting piece far away from the handle are vertically connected with arc-shaped stop blocks.

Further, telescopic machanism is including fixed rack one of expanding the piece side down that sets up, the vertical logical groove of having seted up on expanding the piece down of rack one side, it is equipped with the lifter to lead to the groove to keep away from rack one side, and the lifter top is fixed continuous with expanding the piece on, lifter one side is equipped with rack two relative to the rack one, it is equipped with the pivot to rotate between the both sides logical groove lateral wall between rack one and rack two, the cover is equipped with the gear with rack one and rack two intermeshing in the pivot, is located to expand in the pivot in the piece outside down and is equipped with the knob.

Further, the opposite sides of the lifting rod, which deviate from the second rack, are vertically provided with a first long-strip-shaped sliding block, and the lower expanding support piece is provided with a first sliding groove suitable for sliding of the first sliding block.

Further, the strip-shaped groove is formed in the side wall of the lower expanding and supporting piece along the length direction of the lower expanding and supporting piece, the strip-shaped inverted concave sliding groove II is formed in the upper expanding and supporting piece opposite to the strip-shaped groove along the length direction of the strip-shaped groove, the supporting mechanism comprises a first supporting shaft horizontally fixedly arranged at one end of the strip-shaped groove, a first shaft sleeve is movably arranged on the first supporting shaft, a second sliding block with one end being open is arranged in the sliding groove in a sleeved mode, a second supporting shaft is horizontally arranged between two side walls of the opening end of the second sliding block, a second shaft sleeve is movably sleeved on the second supporting shaft, a supporting rod is connected between the first shaft sleeve and the second shaft sleeve, a pull rod is horizontally connected with one end of the second sliding block, is arranged in the second sliding groove and extends to the outside of the upper expanding and supporting piece located at the side of the handle, a limit groove is formed in one side of the second sliding rod, a limit block is horizontally arranged on the upper expanding and supporting piece at the lower side of the pull rod, a threaded hole is vertically formed in the upper expanding and supporting piece of the limit block, and the limit block is fixedly limited by one bolt through the threaded hole.

Furthermore, the two opposite sides of the sliding block are horizontally provided with mounting grooves, and a plurality of pulleys capable of sliding on the side wall of the sliding groove are arranged in the mounting grooves at intervals.

Still further, all be equipped with the silica gel pad between the stopper and on, also be equipped with the silica gel pad on the dog.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the upper expanding piece, the lower expanding piece, the supporting mechanism and the telescopic mechanism are arranged, the upper expanding piece and the lower expanding piece are placed in the oral cavity of a rat, when the upper teeth and the lower teeth of the rat are respectively positioned between the two limiting blocks, the knob is screwed, the gear drives the lifting rod to lift so as to fully expand the oral cavity of the rat, when the lifting rod lifts, the sliding block II gradually moves towards the inner side direction of the oral cavity of the rat, and simultaneously drives the pull rod to move together, and when the upper expanding piece and the lower expanding piece are used for expanding the oral cavity of the rat, the bolt is screwed so as to fix the pull rod relative to the mounting block, thereby completing expanding the oral cavity of the rat, the operation is simple and convenient, and simultaneously the expanding of the oral cavity of the rat can be given according to actual conditions, so that an inspector can observe the conditions in the oral cavity of the rat more easily;

2. according to the utility model, the stop blocks arranged on the upper expanding piece and the lower expanding piece can effectively avoid the situation that the upper expanding piece and the lower expanding piece are separated from the oral cavity due to the violent twisting of rats, so that the risk of being bitten by rats is avoided.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural view of the present utility model.

Fig. 4 is a schematic structural view of a supporting mechanism according to the present utility model.

FIG. 5 is a schematic view of a portion of a support mechanism according to the present utility model.

Fig. 6 is a schematic structural view of the telescopic mechanism of the present utility model.

Wherein: the upper expanding support piece 1, the lower expanding support piece 2, the limiting block 3, the telescopic mechanism 4, the first rack 41, the lifting rod 42, the second rack 43, the gear 44, the first slide block 45, the supporting mechanism 5, the first supporting shaft 51, the first shaft sleeve 52, the second slide block 53, the supporting rod 54, the second shaft sleeve 55, the pull rod 56, the limiting groove 57, the mounting block 58, the bolt 59, the handle 6, the stop block 7, the second slide groove 8 and the pulley 9.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-6, an expanding device for rat oral examination comprises an arc upper expanding plate 1 and an arc lower expanding plate 2 which are oppositely arranged, wherein two opposite tooth limiting blocks 3 are respectively arranged on the deviating sides of the upper expanding plate 1 and the lower expanding plate 2, each limiting block 3 is of an arc structure with the same diameter as the expanding plate, two sides of one end of the upper expanding plate 1 are respectively provided with a telescopic mechanism 4, the telescopic mechanisms 4 are used for moving the upper expanding plate 1 and the lower expanding plate 2 in opposite directions, so that the rat oral cavity can be conveniently expanded, and a lockable supporting mechanism 5 is arranged between the upper expanding plate 1 and the lower expanding plate 2, so that the rat oral cavity can be conveniently fixed after being expanded, and the condition inside the oral cavity can be conveniently examined.

The lower side of one end of the lower expanding and supporting piece 2 is vertically connected with a handle 6, and the handle 6 and the telescopic mechanism 4 are positioned on the same side, so that the handle 6 can be held by a hand for better observation when the device is used.

Both ends of the upper expanding and supporting piece 1 and one end of the lower expanding and supporting piece 2 far away from the handle 6 are vertically connected with arc-shaped stop blocks 7, and the stop blocks 7 and the limiting blocks 3 are arranged in the same diameter and are consistent in vertical height.

The telescopic mechanism 4 comprises a first rack 41 fixedly arranged on the side face of the lower expansion supporting piece 2, a through groove is vertically formed in the lower expansion supporting piece 2 on one side of the first rack 41, a lifting rod 42 is arranged on one side, away from the first rack 41, of the through groove, the top end of the lifting rod 42 is fixedly connected with the upper expansion supporting piece 1, a second rack 43 is arranged on one side, opposite to the first rack 41, of the lifting rod 42, a rotating shaft is arranged between the side walls of the through groove on two sides between the first rack 41 and the second rack 43 in a rotating mode, a gear 44 meshed with the first rack 41 and the second rack 43 is sleeved on the rotating shaft, a knob is arranged on the rotating shaft located on the outer side of the lower expansion supporting piece 2, when the upper tooth and the lower tooth of a rat are respectively arranged between the two limiting blocks 3 during use, then the knob is screwed, the rotating shaft is driven to rotate, and the gear 44 drives the lifting rod 42 to rise, so that the oral cavity of the rat can be completely expanded.

The opposite sides of the lifting rod 42, which deviate from the rack II 43, are vertically provided with a strip-shaped first sliding block 45, the lower expanding support piece 2 is provided with a first sliding groove suitable for the first sliding block 45 to slide, and the first sliding blocks 45 arranged on the two sides of the lifting rod 42 are convenient for stabilizing the lifting rod 42 when lifting or descending.

The side wall of the lower expansion sheet 2 relative to the upper expansion sheet 1 is provided with a strip-shaped groove along the length direction, the strip-shaped groove is provided with a support rod 54 for placing when the device is not used, the upper expansion sheet 1 opposite to the strip-shaped groove is provided with a strip-shaped inverted concave sliding groove II 8 along the length direction, the support mechanism 5 comprises a support shaft I51 horizontally fixed at one end of the strip-shaped groove, the support shaft I51 is movably provided with a shaft sleeve I52, the sliding groove II 8 is internally provided with a slide block II 53 with one end open, the open end of the slide block II 53 faces the inner side of an oral cavity, the side wall of the open end of the slide block II 53 is horizontally provided with a support shaft II, a shaft sleeve II 55 is movably sleeved on the support shaft II, a support rod 54 is connected between the shaft sleeve I52 and the shaft sleeve II 55, the slide block II 53 is horizontally connected with a pull rod 56, the pull rod 56 is arranged in the sliding groove II 8 and extends to the outer part of the upper expansion sheet 1 positioned at the side of the handle 6, the pull rod 56 is provided with a limit groove 57 on the side of the support shaft II, the upper expansion sheet 1 on the lower side of the pull rod 56 is horizontally provided with a mounting block 58, the mounting block 58 is vertically provided with a slide block 58, the upper expansion sheet 58 is provided with a threaded hole 59, and the lifting bolt 59 can be completely screwed up and screwed down the lifting bolt 59 when the upper expansion sheet 2 is screwed down and screwed down to the lifting bolt 59.

The two opposite sides of the second sliding block 53 are horizontally provided with mounting grooves, a plurality of pulleys 9 capable of sliding on the side wall of the sliding groove are arranged in the mounting grooves at intervals, and the arrangement of the pulleys 9 facilitates the reduction of resistance when the second sliding block 53 slides in the second sliding groove 8.

The space between the limiting blocks 3 and the space on the limiting blocks are respectively provided with a silica gel pad, the stop blocks 7 are also provided with silica gel pads, not shown in the figure, and the silica gel pads are convenient for protecting teeth when the oral cavity of a rat is opened.

Working principle: the upper expansion sheet 1 and the lower expansion sheet 2 are placed in the oral cavity of a rat, when the upper teeth and the lower teeth of the rat are respectively positioned between the two limiting blocks 3, the knob is screwed, the gear 44 drives the lifting rod 42 to lift until the oral cavity of the rat is completely expanded, at the moment, the second sliding block 53 gradually moves towards the inner side direction of the oral cavity of the rat, meanwhile, the pull rod 56 is driven to move together, and when the upper expansion sheet 1 and the lower expansion sheet 2 are used for expanding the oral cavity of the rat, the bolt 59 is screwed until the pull rod 56 is screwed on the mounting block 58 by the bolt 59.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. An expanding device for rat oral examination, which is characterized in that: the novel tooth support comprises an arc-shaped upper expansion support piece (1) and an arc-shaped lower expansion support piece (2), wherein the arc-shaped upper expansion support piece (1) and the arc-shaped lower expansion support piece (2) are oppositely arranged, two opposite tooth limiting blocks (3) are respectively arranged on the opposite sides of the upper expansion support piece (1), two sides of one end of the upper expansion support piece (1) are respectively provided with a telescopic mechanism (4), the telescopic mechanisms (4) are used for moving the upper expansion support piece (1) and the lower expansion support piece (2) in opposite directions, and a lockable supporting mechanism (5) is arranged between the upper expansion support piece (1) and the lower expansion support piece (2).

2. A stent device for oral examination of rats as claimed in claim 1 wherein: a handle (6) is vertically connected to the lower side of one end of the lower expanding and supporting piece (2), and the handle (6) and the telescopic mechanism (4) are located on the same side.

3. A stent device for oral examination of rats as claimed in claim 2 wherein: both ends of the upper expanding and supporting piece (1) and one end of the lower expanding and supporting piece (2) far away from the handle (6) are vertically connected with arc-shaped stop blocks (7).

4. A stent device for oral examination of rats as claimed in claim 1 wherein: the telescopic mechanism (4) comprises a first rack (41) fixedly arranged on the side face of a lower expansion sheet (2), a through groove is vertically formed in the lower expansion sheet (2) on one side of the first rack (41), a lifting rod (42) is arranged on one side, far away from the first rack (41), of the through groove, the top end of the lifting rod (42) is fixedly connected with the upper expansion sheet (1), a second rack (43) is arranged on one side, opposite to the first rack (41), of the lifting rod (42), a rotating shaft is arranged between the side walls of the through groove on two sides between the first rack (41) and the second rack (43) in a rotating mode, a gear (44) meshed with the first rack (41) and the second rack (43) is sleeved on the rotating shaft, and a knob is arranged on the rotating shaft located on the outer side of the lower expansion sheet (2).

5. A stent device for oral examination of rats as claimed in claim 4 wherein: the lifting rod (42) is vertically provided with a first long-strip-shaped sliding block (45) on two opposite sides, which deviate from the second rack (43), and the lower expanding support piece (2) is provided with a first sliding groove suitable for sliding of the first sliding block (45).

6. A stent device for oral examination of rats as claimed in claim 2 wherein: the lower expansion sheet (2) is provided with a strip-shaped groove along the length direction on the side wall of the upper expansion sheet (1) opposite to the lower expansion sheet (2), the upper expansion sheet (1) opposite to the strip-shaped groove is provided with a strip-shaped inverted concave sliding groove (8) along the length direction, the supporting mechanism (5) comprises a supporting shaft I (51) horizontally fixedly arranged at one end of the strip-shaped groove, a shaft sleeve I (52) is movably arranged on the supporting shaft I (51), a sliding block II (53) with one end open is arranged in the sliding groove II (8), a supporting shaft II (53) is horizontally arranged between two side walls of the opening end of the sliding block II (53), a shaft sleeve II (55) is movably sleeved on the supporting shaft II, a supporting rod (54) is connected between the shaft sleeve I (52) and the shaft sleeve II (55), a pull rod (56) is horizontally connected with one end of the sliding block II, which is arranged in the sliding groove II (8) and extends to the outer part of the upper expansion sheet (1) positioned at the side of the handle (6), a supporting rod II (56) is horizontally arranged on one side of the sliding groove II, a supporting block II (57) which is far away from the supporting shaft II is provided with a supporting shaft II, a threaded hole (58) is formed in the upper expansion sheet (58), and a threaded hole (58) is fixedly arranged on the lower expansion sheet (58).

7. A stent device for oral examination of rats as claimed in claim 6 wherein: the two opposite sides of the second sliding block (53) are horizontally provided with mounting grooves, and a plurality of pulleys (9) capable of sliding on the side wall of the sliding groove are arranged in the mounting grooves at intervals.

8. A stent device for oral examination of rats as claimed in claim 3 wherein: and a silica gel pad is arranged between the limiting blocks (3) and on the limiting blocks, and a silica gel pad is also arranged on the stop block (7).