CN113425439B

CN113425439B - Joint fixing and locking device based on oral medical instrument

Info

Publication number: CN113425439B
Application number: CN202110588639.6A
Authority: CN
Inventors: 韩世智; 黄欢; 程凡; 崔双双
Original assignee: Workers Hospital of CAEP
Current assignee: Workers Hospital of CAEP
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-12-06
Anticipated expiration: 2041-05-28
Also published as: CN115628339A; CN113425439A

Abstract

The invention provides a joint locking device based on an oral medical instrument, which relates to the technical field of oral medical instruments and solves the problems that in the practical application process of the existing joint device, the clamping installation operation cannot be respectively carried out on a hose side and a medical instrument side, so that the effective fixing operation cannot be carried out in a one-way fixing mode, and the backflow prevention operation cannot be carried out on liquid contained in a pipeline, so that the situation that the liquid in the oral cavity of a patient flows into the medical instrument to pollute cleaning liquid during use is caused.

Description

Joint fixing and locking device based on oral medical instrument

Technical Field

The invention belongs to the technical field of oral medical instruments, and particularly relates to a joint locking device based on an oral medical instrument.

Background

The dental medical instruments refer to various small-sized portable tools specially used in dentistry, which are internationally called dental instruments, and comprise surgical instruments such as dental hand-held instruments, dental rotary instruments, dental injection instruments and root canal instruments, such as dental hand-held instruments, dental forceps, dental lifters and dental excavators, and the dental medical instruments have wide range and are produced by a plurality of enterprises;

when the medical product in the department of stomatology cleans the oral cavity of a patient, different medical instruments are required to be connected by the hose for use, so that how to quickly and stably fix the hose together with the medical instruments is very important

For example, application No.: the invention relates to the technical field of medical instruments, in particular to a device for stabilizing oral medical instruments, which comprises a rod body, a fixing and locking joint and a centering joint, wherein a bolt joint is fixedly arranged at the front end of the rod body, the fixing and locking joint is a T-shaped reducing pipe fitting with a protruding part at the front end, a fastening disc is arranged inside the fixing and locking joint, a connector and clamping teeth are arranged at the top end of the fastening disc, a clamping groove is formed in the inner wall of the fixing and locking joint opposite to the clamping teeth, the centering joint is fixedly arranged on the outer wall of the protruding part through a bolt, the rear end of a medical instrument rod penetrates through the centering joint to be in threaded connection with the connector at the top end of the fastening disc, and damping rubber pads are arranged between the inner wall of the protruding part and the medical instrument rod and at the position where the medical instrument rod penetrates through the centering joint. The double-shock-absorbing rubber pad has reasonable structural design, ensures the stability of medical equipment by adopting the threaded fastening design, solves the problems of vibration and shaking of the equipment during high-speed operation, improves the medical efficiency and reduces the working difficulty of medical staff.

Based on the above patent search and the discovery of the devices in the prior art, the above devices can be used for mounting the medical instrument and the hose, but in the practical application process, the hose side and the medical instrument side cannot be clamped and mounted respectively, so that the unidirectional fixing mode is difficult to perform effective fixing operation, and the liquid contained in the pipeline cannot be subjected to backflow prevention operation, so that the liquid in the oral cavity of the patient flows into the medical instrument to pollute the cleaning liquid.

Disclosure of Invention

In order to solve the technical problems, the invention provides a joint locking device based on an oral medical instrument, which aims to solve the problems that in the practical application process of the existing joint device, the hose side and the medical instrument side cannot be respectively clamped and installed, so that the effective fixing operation is difficult to be carried out in a one-way fixing mode, and the liquid contained in a pipeline cannot be subjected to anti-backflow operation, so that the liquid in the oral cavity of a patient flows into the medical instrument to pollute the cleaning liquid.

The invention relates to a joint locking device based on an oral medical instrument, which is achieved by the following specific technical means:

a joint fixing and locking device based on an oral medical instrument comprises a backflow prevention mechanism, a guide mechanism and an instrument connecting mechanism, wherein the backflow prevention mechanism is inserted in the internal position of an external connecting mechanism, and the right end of the backflow prevention mechanism is screwed with an anti-blocking mechanism; the guide mechanism is connected to the upper side of the outer peripheral surfaces of the backflow prevention mechanism and the anti-blocking mechanism; the instrument connecting mechanism is sleeved at the right side position of the outer peripheral surface of the anti-blocking mechanism; the instrument connecting mechanism comprises lantern rings, a fixing plate and a moisture-proof pad, the lantern rings are arranged at two positions, the lantern rings at the two positions are connected in a shaft mode, the fixing plate is fixedly connected to the upper sides of the outer peripheral surfaces of the lantern rings at the two positions, screw holes are formed in the fixing plate, and the moisture-proof pad is bonded to the inner side positions of the lantern rings at the two positions.

Furthermore, the external mechanism comprises a support sleeve, an expansion jacket and an adjusting sleeve ring, the support sleeve is designed to be an internal hollow structure, the peripheral surface of the support sleeve is provided with threads, the expansion jacket is provided with four positions, the four expansion jackets are axially connected to the left end surface of the support sleeve in an annular array manner, the peripheral surfaces of the four expansion jackets are provided with threads, and the adjusting sleeve ring is screwed to the outer side position of the support sleeve;

furthermore, the backflow preventing mechanism comprises a downstream pipe and a connecting groove, the downstream pipe is in a funnel-shaped structural design, a circular through hole is formed in the left end of the downstream pipe, the connecting groove is fixedly connected to the right end of the downstream pipe and communicated with the downstream pipe, and threads are formed in the inner wall of the connecting groove;

furthermore, the backflow prevention mechanism also comprises a backflow prevention ball and a filter screen, the backflow prevention ball is arranged at the inner position of the downstream pipe, the diameter of the backflow prevention ball is larger than that of a round hole formed in the left end of the downstream pipe, the filter screen is fixedly connected to the right side of the inner wall of the downstream pipe, and the downstream pipe is inserted into the inner position of the support sleeve in the installation state;

furthermore, the guide mechanism comprises a limiting block, a support plate and an extension plate, the limiting block is provided with two positions, the support plate is connected with the inner sides of the two limiting blocks in a shaft mode, the support plate is designed to be hollow, sliding grooves are formed in the front side and the rear side of the support plate, and the extension plate is inserted into the inner side of the support plate;

furthermore, the guide mechanism also comprises two guide posts and an expansion plate, the two guide posts are respectively and fixedly connected with the right side positions of the front end surface and the rear end surface of the extension plate, the expansion plate is hinged at the left side position of the extension plate, the lower support plate is rotatably connected with the outer peripheral surface position of the main pipe through two limit blocks in an installation state, and the expansion plate is rotatably connected with the right end surface position of the connecting groove;

furthermore, prevent stifled mechanism including being responsible for, joint, bearing and heat preservation, the left end of being responsible for is installed and is connected, and sets up the screw thread on the outer peripheral face that connects, the bearing is installed in the outer peripheral face position of being responsible for, and has cup jointed the heat preservation on the outer peripheral face of bearing, and the person in charge screws through the joint under the installation state and connects the right side position in connecing the groove.

Compared with the prior art, the invention has the following beneficial effects:

in the invention, the apparatus can be fixed by penetrating the bolt through the inner positions of the screw holes formed in the fixed plates fixedly connected at the top sides of the peripheral surfaces of the two lantern rings, and the backflow prevention balls are arranged in the downstream pipe in the backflow prevention mechanism, so that the situation that liquid in the oral cavity of a patient is polluted due to backflow can be effectively prevented when the apparatus is used, and the filter screen is also arranged in the downstream pipe, so that the influence on the normal use of the patient due to impurities in the disinfectant can be effectively prevented.

Drawings

Fig. 1 is a schematic front view of the half-section of the present invention.

Fig. 2 is a schematic side view of the present invention in a half-section state.

Fig. 3 is a schematic front view of the present invention.

Fig. 4 is a right side view of the present invention.

Fig. 5 is a left side view of the present invention.

Fig. 6 is a schematic bottom side view of the present invention.

Fig. 7 is a left side view of the present invention.

Fig. 8 is an enlarged structural view of the point a in fig. 4 according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. an external connection mechanism; 101. a support sleeve; 102. an expansion jacket; 103. adjusting the lantern ring; 2. a backflow prevention mechanism; 201. a down-flow pipe; 202. connecting a groove; 203. an anti-reverse ball; 204. filtering with a screen; 3. a guide mechanism; 301. a limiting block; 302. a support plate; 303. an extension plate; 304. a guide post; 305. an expansion board; 4. an anti-blocking mechanism; 401. a main pipe; 402. a joint; 403. a bearing; 404. a heat-insulating layer; 5. an instrument connection mechanism; 501. a collar; 502. a fixing plate; 503. a moisture-proof pad.

Detailed Description

Embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Example (b):

as shown in figures 1 to 8:

the invention provides a joint fixing and locking device based on an oral medical instrument, which comprises: the device comprises a backflow prevention mechanism 2, a guide mechanism 3 and an instrument connecting mechanism 5, wherein the backflow prevention mechanism 2 is inserted in the internal position of the external connection mechanism 1, and the right end of the backflow prevention mechanism 2 is screwed with an anti-blocking mechanism 4; the guide mechanism 3 is connected to the upper side of the outer peripheral surfaces of the backflow prevention mechanism 2 and the anti-blocking mechanism 4; the instrument connecting mechanism 5 is sleeved at the right side position of the peripheral surface of the anti-blocking mechanism 4; the instrument connecting mechanism 5 comprises a lantern ring 501, a fixing plate 502 and a moisture-proof pad 503, the lantern ring 501 is provided with two positions, the lantern ring 501 is connected with the lantern ring 501 in the two positions in a shaft mode, the fixing plate 502 is fixedly connected to the upper sides of the outer peripheral surfaces of the lantern ring 501 in the two positions, a screw hole is formed in the fixing plate 502, and the moisture-proof pad 503 is bonded to the inner side positions of the lantern ring 501 in the two positions.

The external mechanism 1 comprises a support sleeve 101, an expansion jacket 102 and an adjusting sleeve ring 103, wherein the support sleeve 101 is designed to be a hollow structure, the outer peripheral surface of the support sleeve 101 is provided with threads, the expansion jacket 102 is provided with four positions, the four expansion jacket 102 is axially connected to the left end surface of the support sleeve 101 in an annular array mode, the outer peripheral surfaces of the four expansion jacket 102 are provided with threads, the adjusting sleeve ring 103 is screwed to the outer side position of the support sleeve 101, the adjusting sleeve ring 103 is rotated according to different diameters needing to be clamped, the expansion jacket 102 axially connected to the left end of the support sleeve 101 enables a hose and the whole device to be effectively connected, the external mechanism can be suitable for connection operation of hoses with different diameters, special customization operation is not needed, and therefore the external mechanism has better adaptability and lower use cost when in use.

Wherein, prevent that flow reversing mechanism 2 is including following current pipe 201 and connect groove 202, following current pipe 201 for infundibulate structural design, and the left end of following current pipe 201 has seted up circular through-hole, connect groove 202 fixed connection at the right-hand member position of following current pipe 201, and link up mutually with following current pipe 201, and seted up the screw thread on the inner wall that connects groove 202, owing to the internally mounted who prevents following current pipe 201 in preventing flow reversing mechanism 2 has anti-reverse ball 203, consequently can effectually prevent to lead to polluting the condition appearance of antiseptic solution because of the inside liquid backward flow of patient's oral cavity when using.

Wherein, prevent that flow reversing mechanism 2 still includes prevents against ball 203 and filter screen 204, prevents against ball 203 and installs the inside position at the following current pipe 201, and prevents against the diameter of ball 203 and be greater than the round hole diameter of seting up along the left end of flow pipe 201, and filter screen 204 fixed connection is in the inner wall right side position of following current pipe 201, and following current pipe 201 pegs graft in the inside position of supporting set 101 under the mounted state.

The guide mechanism 3 comprises a limiting block 301, a supporting plate 302 and an extension plate 303, the limiting block 301 is provided with two positions, the supporting plate 302 is connected to the inner sides of the two limiting blocks 301 in a shaft mode, the supporting plate 302 is designed to be of a hollow structure, sliding grooves are formed in the front side and the rear side of the supporting plate 302, and the extension plate 303 is connected to the inner side of the supporting plate 302 in an inserting mode.

Wherein, guiding mechanism 3 is still including guide post 304 and expansion board 305, and guide post 304 is equipped with two altogether, and two guide post 304 respectively fixed connection at the right side position of the front and back both ends face of extension board 303, and expansion board 305 articulates the left side position at extension board 303, and extension board 302 rotates through two stopper 301 and connects the outer peripheral face position at being responsible for 401 under the installation state, and expansion board 305 rotates and connects the right-hand member face position at connecing groove 202.

The anti-blocking mechanism 4 comprises a main pipe 401, a joint 402, a bearing 403 and a heat insulation layer 404, wherein the joint 402 is installed at the left end of the main pipe 401, a thread is formed on the outer peripheral surface of the joint 402, the bearing 403 is installed on the outer peripheral surface of the main pipe 401, the heat insulation layer 404 is sleeved on the outer peripheral surface of the bearing 403, and the main pipe 401 is screwed on the right side of the connecting groove 202 through the joint 402 in the installation state.

When in use: the joint of a medical instrument is inserted into the main pipe 401 in the anti-blocking mechanism 4, then the damp-proof pad 503 is sleeved at the position of the joint of the hose and the main pipe 401 through the two lantern rings 501 in the instrument connecting mechanism 5, at the moment, the instrument can be fixed by penetrating a bolt through the inner positions of the screw holes formed in the fixed plates 502 fixedly connected with the top sides of the peripheral surfaces of the two lantern rings 501, and the anti-backflow ball 203 is arranged in the downstream pipe 201 in the anti-backflow mechanism 2, so that the situation that liquid inside the oral cavity of a patient is polluted due to backflow can be effectively prevented when the disinfection solution is used, and the filter screen 204 is also arranged in the downstream pipe 201, so that the influence on the normal use of the patient due to the fact that impurities are contained in the disinfection solution can be effectively prevented;

on the other hand, the hoses for connecting the liquid are inserted into the inner positions of the four expansion jackets 102 of the external mechanism 1, and then the adjusting lantern rings 103 are rotated according to different diameters to be clamped, so that the expansion jackets 102 which are axially connected to the left end of the supporting sleeve 101 can effectively connect the hoses with the whole device.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a connect solid locking device based on oral medical instrument which characterized in that: the anti-backflow mechanism (2) is inserted into the internal position of the external mechanism (1), and the right end of the anti-backflow mechanism (2) is screwed with the anti-blocking mechanism (4); the guide mechanism (3) is connected to the upper side of the outer peripheral surfaces of the backflow prevention mechanism (2) and the anti-blocking mechanism (4); the appliance connecting mechanism (5) is sleeved at the right side position of the peripheral surface of the anti-blocking mechanism (4); the instrument connecting mechanism (5) comprises lantern rings (501), a fixing plate (502) and a moisture-proof pad (503), the lantern rings (501) are provided with two positions, the lantern rings (501) of the two positions are connected with each other in a shaft mode, the fixing plate (502) is fixedly connected to the upper sides of the outer peripheral surfaces of the lantern rings (501) of the two positions, screw holes are formed in the fixing plate (502), and the moisture-proof pad (503) is bonded to the inner side positions of the lantern rings (501);

the backflow preventing mechanism (2) comprises a downstream pipe (201) and a connecting groove (202), the downstream pipe (201) is in a funnel-shaped structural design, a circular through hole is formed in the left end of the downstream pipe (201), the connecting groove (202) is fixedly connected to the right end of the downstream pipe (201) and communicated with the downstream pipe (201), and threads are formed in the inner wall of the connecting groove (202);

the backflow prevention mechanism (2) further comprises a backflow prevention ball (203) and a filter screen (204), the backflow prevention ball (203) is installed at the inner position of the forward flow pipe (201), the diameter of the backflow prevention ball (203) is larger than that of a round hole formed in the left end of the forward flow pipe (201), the filter screen (204) is fixedly connected to the right side position of the inner wall of the forward flow pipe (201), and the forward flow pipe (201) is inserted into the inner position of the support sleeve (101) in the installation state;

because the internally mounted of following current pipe (201) in anti-backflow mechanism (2) has anti-contrary ball (203), consequently can effectually prevent to appear because of the condition that the inside liquid reflux of patient's oral cavity leads to polluting the antiseptic solution when using to filter screen (204) are still installed to the inside of following current pipe (201), consequently can effectually prevent to cause the influence because of the inside impurity that contains of antiseptic solution to patient's normal use.

2. The oral medical instrument joint locking device of claim 1, wherein: the external mechanism (1) comprises a supporting sleeve (101), an expanding jacket (102) and an adjusting sleeve ring (103), wherein the supporting sleeve (101) is designed to be an internal hollow structure, the outer peripheral surface of the supporting sleeve (101) is provided with threads, the expanding jacket (102) is provided with four parts, the four expanding jacket (102) is in annular array coupling with the left end surface of the supporting sleeve (101), the outer peripheral surfaces of the four expanding jacket (102) are provided with threads, and the adjusting sleeve ring (103) is screwed with the outer side position of the supporting sleeve (101).

3. The oral medical instrument joint locking device of claim 1, wherein: the guide mechanism (3) comprises a limiting block (301), a support plate (302) and an extension plate (303), the limiting block (301) is provided with two positions, the support plate (302) is connected to the inner sides of the two limiting blocks (301) in a shaft mode, the support plate (302) is designed to be hollow, sliding grooves are formed in the front side and the rear side of the support plate (302), and the extension plate (303) is inserted into the inner side of the support plate (302).

4. The oral medical instrument joint locking device of claim 3, wherein: guiding mechanism (3) are still including guide post (304) and expansion board (305), guide post (304) are equipped with two places altogether, and two guide post (304) respectively fixed connection at the right side position of the front and back both ends face of extension board (303), expansion board (305) articulate the left side position at extension board (303), and extension board (302) rotate through two stopper (301) and connect the outer peripheral face position of being responsible for (401) under the mounted state, and expansion board (305) rotate to connect the right terminal surface position of connecing groove (202).

5. The oral medical instrument joint locking device of claim 1, wherein: prevent stifled mechanism (4) including being responsible for (401), joint (402), bearing (403) and heat preservation (404), be responsible for the left end of (401) and install joint (402), and seted up the screw thread on the outer peripheral face of joint (402), bearing (403) are installed in the outer peripheral face position of being responsible for (401), and have cup jointed heat preservation (404) on the outer peripheral face of bearing (403), and be responsible for (401) and twist through joint (402) and connect the right side position in groove (202) under the installation state.