CN218957566U

CN218957566U - Switch anti-fouling device

Info

Publication number: CN218957566U
Application number: CN202223425196.8U
Authority: CN
Inventors: 王晓霞; 陆春燕; 熊耀环; 黎雪兰; 许玲; 郭业嫦
Original assignee: COLLEGE OF STOMATOLOGY GUANGXI MEDICAL UNIVERSITY
Current assignee: COLLEGE OF STOMATOLOGY GUANGXI MEDICAL UNIVERSITY
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-02
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a switch anti-fouling device, which comprises a protective sleeve and a sliding block; the protective sleeve is of a hollow columnar structure with two open ends, and the length of the protective sleeve is longer than that of the handle; the protective sleeve is radially halved into an upper protective sleeve and a lower protective sleeve, the lower protective sleeve is used for being sleeved on the lower half part of the handle, and the upper protective sleeve is used for being sleeved on the upper half part of the handle, on which the switch is arranged; one side of the upper protective sleeve is hinged with one side of the lower protective sleeve, and the other side of the upper protective sleeve is detachably connected with the other side of the lower protective sleeve; the surface of the upper protective sleeve is provided with a square fixing seat opposite to the sliding rail of the handle, the length of the fixing seat is longer than that of the sliding rail, the fixing seat is of a hollow structure with an opening at the bottom surface, and the hollow part of the fixing seat is communicated with the hollow part of the upper protective sleeve; the upper surface of fixing base is provided with the straight line hole along its length direction, and the lug of switch can outstanding outside the straight line hole. The utility model can avoid the pollution of the handle and the switch and can conveniently push the switch to slide.

Description

Switch anti-fouling device

Technical Field

The utility model relates to an anti-fouling device, in particular to a switch anti-fouling device for preventing cross infection during oral treatment.

Background

The oral saliva aspirator is a common instrument in oral treatment, is usually installed on a dental comprehensive treatment chair and is connected with a negative pressure pump, and in oral clinical treatment operation, the oral saliva aspirator can be used for sucking water and aerosol generated during the work of a dental handpiece, a dental scaler and the like, sucking exudates and secretion in the oral cavity of a patient, assisting in the operations of separating dampness in a treatment area, pulling soft tissues of the oral cavity of the patient and the like.

As shown in fig. 1, this is a structure of a conventional saliva aspirator comprising a handle 9, a connection pipe 10 and a saliva suction pipe 20, wherein the connection pipe 10 is connected between a negative pressure pump and the handle 9, and the saliva suction pipe 20 is connected to the other end of the handle 9, and is used for sucking liquid into the negative pressure pump under the action of the negative pressure pump. The handle 9 is of a hollow columnar structure, a valve body is arranged in the handle 9, a switch 91 for controlling the valve body to be conducted is arranged on the surface of the handle 9, the switch 91 is of a rectangular structure, a sliding rail 92 for the switch 91 to slide is arranged on the surface of the handle 9, the switch 91 slides along the sliding rail 92 to realize the closing and the conduction of the valve body, a protruding block 93 is arranged on the upper surface of the switch 91, the protruding block 93 protrudes out of the surface of the handle 9, and the switch 91 can be pushed to move by pushing the protruding block 93.

In general, the handle is a non-disposable dental appliance, and in the process of use, the handle may be polluted by hands of medical staff or by splashed water mist, saliva, blood, aerosol and other waste liquid in the process of sucking saliva, so in order to avoid cross infection, one method commonly used at present is to wrap one or more layers of anti-fouling films on the surface of the handle, and although the anti-fouling films can well protect the handle, because the part of the anti-fouling film wrapping the bump of the switch cannot move along with the movement of the bump, the anti-fouling films provide great resistance when pushing the switch to slide, thereby being inconvenient for the medical staff to use the switch.

In order to solve the problems, the utility model provides the switch anti-fouling device which can protect the handle and facilitate pushing the switch.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the switch anti-fouling device, which can not only prevent the handle and the switch from being polluted, but also facilitate pushing the switch to slide.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a switch anti-fouling device comprises a protective sleeve and a sliding block; the protective sleeve is of a hollow columnar structure with two open ends, and the length of the protective sleeve is longer than that of the handle; the protective sleeve is radially halved into an upper protective sleeve and a lower protective sleeve, the lower protective sleeve is used for being sleeved on the lower half part of the handle, and the upper protective sleeve is used for being sleeved on the upper half part of the handle, on which the switch is arranged; one side of the upper protective sleeve is hinged with one side of the lower protective sleeve, and the other side of the upper protective sleeve is detachably connected with the other side of the lower protective sleeve; the surface of the upper protective sleeve is provided with a square fixing seat opposite to the sliding rail of the handle, the length of the fixing seat is longer than that of the sliding rail, the fixing seat is of a hollow structure with an opening at the bottom surface, and the hollow part of the fixing seat is communicated with the hollow part of the upper protective sleeve; the upper surface of the fixed seat is provided with a linear hole along the length direction, and the convex block of the switch can protrude out of the linear hole; sliding grooves for sliding the sliding blocks are formed in the two side walls of the hollow part of the fixing seat; the sliding block is arranged in the fixed seat, two sides of the sliding block are embedded into the sliding groove, and the length of the sliding block is longer than that of the linear hole; the upper surface middle part of slider is provided with the fixed block, and the bottom of slider is just to the fixed block and is provided with the holding tank, and the holding tank is sunken to the fixed block by the slider bottom, and the holding tank is used for putting into the lug of switch.

The beneficial effects of the utility model are as follows:

according to the switch anti-fouling device provided by the utility model, the protective sleeve is opened, the lower protective sleeve is sleeved on the lower half part of the handle, the sliding block is slid, after the upper protective sleeve is overturned, the fixed block can be opposite to the convex block of the switch, and then the upper protective sleeve is overturned, so that the other side of the upper protective sleeve is connected with the other side of the lower protective sleeve, and the whole handle is wrapped by the protective sleeve while the upper half part of the handle is wrapped, so that the handle is prevented from being polluted; at the moment, the convex block of the switch is arranged in the accommodating groove, and the sliding block can slide in the fixed seat, so that the switch can slide along with the sliding block when the sliding block is pushed to slide, and the normal use of the switch is not influenced; in addition, because the length of the sliding block is longer than that of the linear hole, when the sliding block is pushed to slide, the linear hole is in a relatively sealed state, and therefore the switch can be effectively prevented from being polluted.

Drawings

Fig. 1 is a schematic view of a conventional saliva aspirator.

Fig. 2 is a schematic structural view of an embodiment of the present utility model.

Fig. 3 is a schematic view of the structure of the protective cover in an opened state according to an embodiment of the present utility model.

Figure 4 is an exploded view of an upper protective sheath of an embodiment of the present utility model.

Fig. 5 is a schematic structural view of the embodiment of the present utility model in a use state.

Fig. 6 is a partially exploded view of fig. 5.

The reference numerals in the figures are: 1. a protective sleeve; 11. an upper protective sleeve; 12. a lower protective sleeve; 2. a slide block; 3. a fixing seat; 31. a straight hole; 32. a chute; 4. a fixed block; 41. a receiving groove; 5. a magic tape; 6. an opening plate; 7. a first seal ring; 8. a second seal ring; 9. a handle; 91. a switch; 92. a slide rail; 93. a bump; 10. a connecting pipe; 20. saliva suction tube.

Detailed Description

The present utility model is described below with reference to the accompanying drawings, and the specific embodiments described herein are for illustrating and explaining the present utility model, not for limiting the present utility model, and various modifications and improvements made by those skilled in the art to which the present utility model pertains without departing from the spirit of the design of the present utility model, should fall within the scope of the present utility model.

As shown in fig. 2 to 6, the switch anti-fouling device of the present embodiment includes a protective cover 1 and a slider 2.

Wherein, the protective sleeve 1 is a hollow columnar structure with two open ends, the protective sleeve 1 is used for being sleeved into the handle 9, the length of the protective sleeve is longer than that of the handle 9, and a part of the connecting pipe 10 and the saliva suction pipe 20 are positioned in the protective sleeve 1.

The protective sheath 1 is radially split in half into an upper protective sheath 11 and a lower protective sheath 12, the lower protective sheath 12 being intended to nest in the lower half of the handle 9, the upper protective sheath 11 being intended to nest in the upper half of the handle 9 provided with the switch 91.

One side of the upper protective sleeve 11 is hinged with one side of the lower protective sleeve 12, and the other side of the upper protective sleeve 11 is detachably connected with the other side of the lower protective sleeve 12. In this embodiment, the detachable connection mode adopted is as follows: the other side of the upper protective sleeve 11 is adhered with the other side of the lower protective sleeve 12 through the magic tape 5. In order to facilitate the opening of the upper protective sleeve 11 and the lower protective sleeve 12, the edges of the sides of the upper protective sleeve 11 and the lower protective sleeve 12, which are provided with the magic tapes 5, are provided with opening plates 6, and the opening plates 6 on the upper protective sleeve 11 and the opening plates 6 on the lower protective sleeve 12 are arranged in a staggered manner, and when the opening is performed, the opening plates 6 on the upper protective sleeve 11 are pulled up, and the opening plates 6 on the protective sleeve 12 are pressed down, so that the upper protective sleeve 11 and the lower protective sleeve 12 can be separated.

The surface of the upper protective sleeve 11 is provided with a square fixing seat 3 opposite to the sliding rail 92 of the handle 9, the length of the fixing seat 3 is longer than that of the sliding rail 92, the fixing seat 3 is of a hollow structure with an opening at the bottom surface, and the hollow part of the fixing seat 3 is communicated with the hollow part of the upper protective sleeve 11. The upper surface of the fixing base 3 is provided with a linear hole 31 along its length direction, the protrusion 93 of the switch 91 may protrude out of the linear hole 31, and the length of the linear hole 31 is longer than the length of the slide rail 92, but much shorter than the length of the fixing base 3.

The two side walls of the hollow part of the fixed seat 3 are provided with sliding grooves 32 for the sliding block 2 to slide, and the sliding grooves 32 extend from one end of the fixed seat 3 to the other end.

The slider 2 sets up in fixing base 3, and the both sides of slider 2 are embedded into spout 32, and afterwards slider 2 can slide along spout 32, and the length of slider 2 is longer than the length of sharp hole 31, avoids slider 2 to slide afterwards, and the hollow portion of straight hole 31 with last protective sheath 11 exposes. The upper surface middle part of slider 2 is provided with fixed block 4, and the bottom of slider 2 just is provided with holding tank 41 to fixed block 4, and holding tank 41 is sunken to fixed block 4 by slider 2 bottom, and holding tank 41 is used for putting into the lug 93 of switch 91.

When the handle 9 is used, the protective sleeve 1 is opened, the lower protective sleeve 12 is sleeved on the lower half part of the handle 9, the sliding block 2 is slid, after the upper protective sleeve 11 is overturned, the fixing block 4 can be opposite to the convex block 93 of the switch 91, after the upper protective sleeve 11 is overturned, the other side of the upper protective sleeve 11 is adhered to the other side of the lower protective sleeve 12 through the magic tape 5, and when the upper half part of the handle 9 is wrapped, the whole handle 9 is wrapped by the protective sleeve 1, so that the handle 9 is prevented from being polluted. Meanwhile, the protruding block 93 of the switch 91 is placed in the accommodating groove 41, and as the sliding block 2 can slide in the fixing seat 3, the switch 91 can also slide along with the sliding block 2 when the sliding block 2 is pushed to slide, so that the normal use of the switch 91 is not affected. In addition, since the length of the slider 2 is longer than the length of the linear hole 31, when the switch 91 is pushed to the extreme end, the end of the slider 2 is not exposed to the linear hole 31, so that the linear hole 31 is in a relatively sealed state, and the switch 91 can be effectively prevented from being contaminated.

Since both ends of the protecting sleeve 1 are provided with openings, contaminants are likely to enter through the openings of the protecting sleeve 1 and pollute the end part of the handle 9, therefore, the inner walls of the upper protecting sleeve 11 and the lower protecting sleeve 12, which are close to one end of the saliva suction tube 20, are provided with the first sealing rings 7, the first sealing rings 7 are semicircular, the inner diameters of the first sealing rings are equal to the pipe diameters of the saliva suction tube 20, when the upper protecting sleeve 11 and the lower protecting sleeve 12 are closed, the two first sealing rings 7 can be combined into one circular sealing ring, and the inner walls of the first sealing rings 7 can be tightly attached to the outer wall of the saliva suction tube 20, so that exposure is reduced. The inner walls of the upper protective sleeve 11 and the lower protective sleeve 12, which are close to one end of the connecting pipe 10, are provided with second sealing rings 8, and the second sealing rings 8 are semicircular, and the inner diameter of the second sealing rings is equal to the pipe diameter of the connecting pipe 10. When the upper protective sleeve 11 and the lower protective sleeve 12 are closed, the two second sealing rings 8 can be combined into a circular sealing ring, and the inner wall of the second sealing ring 8 can be tightly attached to the outer wall of the connecting pipe 10, so that exposure is reduced. The first sealing ring 7 and the second sealing ring 8 of this embodiment may be made of elastic rubber materials.

Claims

1. A switch anti-fouling device, characterized in that: comprises a protective sleeve (1) and a sliding block (2); wherein, the liquid crystal display device comprises a liquid crystal display device,

the protective sleeve (1) is of a hollow columnar structure with two open ends, and the length of the protective sleeve is longer than that of the handle; the protective sleeve (1) is radially halved into an upper protective sleeve (11) and a lower protective sleeve (12), the lower protective sleeve (12) is used for being sleeved on the lower half part of the handle, and the upper protective sleeve (11) is used for being sleeved on the upper half part of the handle, on which a switch is arranged; one side of the upper protective sleeve (11) is hinged with one side of the lower protective sleeve (12), and the other side of the upper protective sleeve (11) is detachably connected with the other side of the lower protective sleeve (12); the surface of the upper protective sleeve (11) is provided with a square fixing seat (3) opposite to the sliding rail of the handle, the length of the fixing seat (3) is longer than that of the sliding rail, the fixing seat (3) is of a hollow structure with an opening at the bottom surface, and the hollow part of the fixing seat (3) is communicated with the hollow part of the upper protective sleeve (11); the upper surface of the fixed seat (3) is provided with a linear hole (31) along the length direction, and a lug of the switch can protrude out of the linear hole (31); two side walls of the hollow part of the fixed seat (3) are provided with sliding grooves (32) for the sliding block (2) to slide;

the sliding block (2) is arranged in the fixed seat (3), two sides of the sliding block (2) are embedded into the sliding groove (32), and the length of the sliding block (2) is longer than that of the linear hole (31); the upper surface middle part of slider (2) is provided with fixed block (4), and the bottom of slider (2) just is provided with holding tank (41) to fixed block (4), and holding tank (41) are sunken to fixed block (4) by slider (2) bottom, and holding tank (41) are used for putting into the lug of switch.

2. The switch anti-fouling device of claim 1 wherein: one side of the upper protective sleeve (11) is hinged with one side of the lower protective sleeve (12), and the other side of the upper protective sleeve (11) is bonded with the other side of the lower protective sleeve (12) through a magic tape (5); the edge of the side edge of the upper protective sleeve (11) and the side edge of the lower protective sleeve (12) which are provided with the magic tape (5) are provided with opening plates (6), and the opening plates (6) on the upper protective sleeve (11) and the opening plates (6) on the lower protective sleeve (12) are arranged in a staggered mode.

3. The switch anti-fouling device of claim 1 wherein: the inner walls of the upper protective sleeve (11) and the lower protective sleeve (12) close to one end of the saliva suction pipe are provided with first sealing rings (7), and the first sealing rings (7) are semicircular, and the inner diameter of the first sealing rings is equal to the pipe diameter of the saliva suction pipe; the inner walls of the upper protective sleeve (11) and the lower protective sleeve (12) close to one end of the connecting pipe are provided with second sealing rings (8), and the second sealing rings (8) are semicircular, and the inner diameter of the second sealing rings is equal to the pipe diameter of the connecting pipe.