CN215017008U

CN215017008U - Soft endoscope novel check valve piston cap

Info

Publication number: CN215017008U
Application number: CN202121053540.8U
Authority: CN
Inventors: 梁玉梅
Original assignee: First Peoples Hospital of Nanning
Current assignee: First Peoples Hospital of Nanning
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-12-07
Anticipated expiration: 2031-05-14

Abstract

The utility model discloses a novel check valve piston cap of a soft endoscope, which comprises a main body cap, wherein a position part of one side of the main body cap, which is close to the bottom, is fixedly connected with a connecting belt, one end of the connecting belt is fixedly connected with a sealing cover, one side of the sealing cover is fixedly connected with a brim, and the top of the sealing cover is slidably connected with a lifting mechanism; the utility model discloses an use and carry and draw the mechanism, carry sealed lid from the direction of sealed lid top along perpendicular to main part cap top and carry, carry and draw the mechanism not only can extend, conveniently to carrying and draw the mechanism to pinch tightly and carry, use and carry after accomplishing to carry and draw the mechanism and can get back to the normal position, occupation space is little to sealed lid atress everywhere is more even when carrying and drawing, difficult fracture and permanent deformation obviously improve life.

Description

Soft endoscope novel check valve piston cap

Technical Field

The utility model belongs to the technical field of the scope accessory, in particular to novel check valve piston cap of soft scope.

Background

Generally comprising the following basic construction: a tip portion, a curved portion, an insertion tube, a manipulation portion, an eye portion, and an imaging interface portion. The front end part is a hard part, and the end surface is provided with a plurality of cavities and window surfaces which are respectively a water and air feeding outlet hole, a biopsy forceps outlet hole, an objective lens and a light guide window. The water and gas supply is a common outlet, and when gas is injected, the gas enters the human body cavity from the hole to expand the cavity; when water is injected, water flows out from the hole to wash the lens surface of the objective lens and the operation field, so that the visual field is kept clear. The outlet holes of the negative pressure suction and the biopsy forceps are the same pipe orifice, when too much liquid in the cavity obstructs observation, the suction button is pressed, and the liquid can be sucked into the suction bottle through the holes; biopsy forceps and other therapeutic instruments are also advanced into the body cavity through this aperture. The bending portion is located between the front end and the insertion tube, and the serpentine tube is composed of a plurality of annular parts, and each pair of adjacent annular parts can move in all directions. The insertion tube is called the lens body or the hose part, and various pipelines and steel wires are arranged inside the insertion tube. The operation part comprises an angle control knob, a suction valve button, a water and air feeding button and a biopsy tube opening, and an operator can operate various buttons to finish the endoscope examination and treatment.

When the existing piston cap is used, the sealing cover can be pulled out from the top of the main body cap by lifting the cap brim, but because the cap brim is positioned on the side edge of the sealing cover, when the cap brim is lifted, force is applied to the sealing cover from one side, the piston cap is easy to incline, and the permanent deformation or breakage of the plug column of the sealing cover is easy to cause by long-term use of the mode, so that the service life is influenced.

Therefore, it is necessary to solve the above problems by the present invention of a novel check valve piston cap for a soft endoscope.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a novel check valve piston cap of soft scope to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: novel check valve piston cap of soft scope, including the main part cap, position department fixedly connected with connecting band that main part cap one side is close to the bottom, the sealed lid of connecting band one end fixedly connected with, sealed lid one side fixedly connected with brim of a hat, sealed lid top sliding connection has the mechanism of drawing of carrying.

Preferably, the main part cap includes the cover post, cover post inboard middle part is provided with the check valve, the check valve bottom cover post inside is provided with the draw-in groove, the check valve top cover post inside is provided with the retaining ring.

Preferably, the sealing cover comprises a cover plate, a plug is fixedly connected to the bottom of the cover plate, a retainer ring is sleeved on the outer surface of the plug close to the bottom, and the retainer ring and the plug are integrally formed;

the clamping ring is matched with the check ring, and the outer diameter of the clamping ring is between the outer diameter and the inner diameter of the check ring.

Preferably, the lifting mechanism comprises a T-shaped column, a limiting ring is sleeved on the outer side of the vertical section of the T-shaped column, the limiting ring and the T-shaped column are integrally formed, the outer edge of the limiting ring is embedded into the plug column, a plurality of connecting strips are fixedly connected to the bottom of the limiting ring, limiting balls are fixedly connected to the bottom of the connecting strips, the top ends of the connecting strips are gradually inclined towards the outer edge of the cover plate, and the limiting ring can move in the vertical direction and is in contact with the bottom of the cover plate;

the top of the T-shaped column is sunken downwards to form a groove, and the vertical section of the T-shaped column penetrates through the cover plate.

Preferably, the limiting ring is made of hard metal, and the outer cylindrical surface of the limiting ring is an arc-shaped surface.

Preferably, the top of the sealing cover and the bottom of the sleeve column are the same in size, and the contact surfaces of the sealing cover and the sleeve column are smooth surfaces.

Preferably, the visor is integrally formed with the cover plate, and the thickness of the visor is smaller than that of the cover plate.

Preferably, the height of the bottom surface of the collar is progressively greater towards its outer edge.

The utility model discloses a technological effect and advantage:

1. the utility model discloses an use and carry and draw the mechanism, carry and draw the sealing cover from the sealing cover top along the direction of perpendicular to main part cap top, carry and draw the mechanism and not only can extend, conveniently pinch to carry and draw the mechanism and carry, use and accomplish the back and carry and draw the mechanism and can get back to the normal position, occupation space is little, and the atress everywhere of sealing cover is more even when carrying and drawing, difficult fracture and permanent deformation, obviously improve life;

2. the utility model discloses a spacing ball is to the inboard thrust of cock stem, and then can make the cock stem move to the inboard, the cock stem drives the rand and moves to the inboard, it can become more compact after the rand shrink, the outer fringe can inwards draw in, the in-process that the rand shifts up afterwards, when receiving the blocking deformation of retaining ring, its outer fringe need not deformation too much, can cross the rand, and the existence of connecting strip and spacing ball, when not carrying and drawing T type post, spacing ball can play certain resistance effect to the removal of rand to the inboard, reduce the probability that sealed lid drops, opening and upset sealed lid, the existence of connecting strip and spacing ball, can prevent that T type post from moving in apron department, reduce the wearing and tearing between T type post and the apron.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention when the sealing cover is opened;

FIG. 2 is a sectional view of the main body cap and the sealing cap according to the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 1;

fig. 4 is a top view of the plug of the present invention.

In the figure: the novel cap comprises a main body cap 1, a sleeve column 11, a one-way valve 12, a clamping groove 13, a retainer ring 14, a connecting band 2, a sealing cover 3, a cover plate 31, a plug column 32, a clamping ring 33, a cap peak 4, a lifting mechanism 5, a T-shaped column 51, a limiting ring 52, a connecting strip 53 and a limiting ball 54.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention;

in the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a novel check valve piston cap of soft scope as shown in figure 1, including main part cap 1, the position department fixedly connected with connecting band 2 that main part cap 1 one side is close to the bottom, the sealed lid 3 of 2 one end fixedly connected with of connecting band, 3 one side fixedly connected with brim of a hat 4 of sealed lid, 3 top sliding connection of sealed lid have lifting mechanism 5.

Referring to the attached drawings 2-3 in the specification, the main body cap 1 comprises a sleeve column 11, a one-way valve 12 is arranged in the middle of the inner side of the sleeve column 11, a clamping groove 13 is formed in the sleeve column 11 at the bottom of the one-way valve 12, and a retaining ring 14 is arranged in the sleeve column 11 at the top of the one-way valve 12.

The clamping groove 13 is clamped at the entrance of a biopsy channel of the endoscope, so that the main body cap 1 is connected to the endoscope; when the biopsy instrument is inserted into the sleeve column 11, the force is applied to the one-way valve 12, and the one-way valve 12 is opened; when the biopsy instrument is extracted, the check valve 12 can be automatically closed under the pressure action of the gas in the stomach cavity and the intestinal cavity of the human body.

2-3, the sealing cover 3 comprises a cover plate 31, a plug 32 is fixedly connected to the bottom of the cover plate 31, a collar 33 is sleeved on the outer surface of the plug 32 at a position close to the bottom, and the collar 33 and the plug 32 are integrally formed;

the collar 33 is matched with the retainer ring 14, and the outer diameter of the collar 33 is between the outer diameter and the inner diameter of the retainer ring 14.

The plug 32 is inserted into the sleeve 11, and the collar 33 is positioned at the bottom of the retainer ring 14 and plays a role of limiting the sealing cover 3, so that the sealing cover 3 is clamped at the top of the main body cap 1.

Referring to the attached drawings 2-4 in the specification, the lifting mechanism 5 comprises a T-shaped column 51, a limiting ring 52 is sleeved on the outer side of the vertical section of the T-shaped column 51, the limiting ring 52 and the T-shaped column 51 are integrally formed, the outer edge of the limiting ring 52 is embedded into the plug 32, the bottom of the limiting ring 52 is fixedly connected with a plurality of connecting strips 53, the bottom of each connecting strip 53 is fixedly connected with a limiting ball 54, the top ends of the connecting strips 53 are gradually inclined towards the outer edge of the cover plate 31, and the limiting ring 52 can move in the vertical direction and is in contact with the bottom of the cover plate 31;

the top of the T-shaped column 51 is recessed downward to form a groove, and the vertical section of the T-shaped column 51 penetrates through the cover plate 31.

When the sealing cover 3 is pulled out from the top of the main body cap 1, the T-shaped column 51 can be firstly pulled up to enable the T-shaped column 51 to ascend in the groove, when the limiting ring 52 contacts the cover plate 31 and then continues to apply upward force to the T-shaped column 51, the limiting ring 52 applies upward force to the sealing cover and the plug 32, the clamping ring 33 is enabled to pass over the retaining ring 14 upwards, and therefore the sealing cover 3 can be pulled out; when the connecting strip 53 and the limiting ball 54 at the bottom of the limiting ring 52 follow the stop ring to move upwards, the limiting ball 54 pushes the plug 32 inwards, so that the plug 32 can move inwards, the plug 32 drives the clamping ring 33 to move inwards, the clamping ring 33 is more compact after being contracted, the outer edge of the clamping ring 33 can be folded inwards, the outer edge of the clamping ring 33 can pass over the clamping ring 33 without being deformed too much when being blocked by the retaining ring 14 in the process of moving upwards the clamping ring 33, and due to the existence of the connecting strip 53 and the limiting ball 54, when the T-shaped column 51 is not pulled, the limiting ball 54 can play a certain resistance role in moving inwards of the clamping ring 33, so that the probability that the sealing cover 3 falls off is reduced, and when the sealing cover 3 is opened and turned over, the connecting strip 53 and the limiting ball 54 exist, the T-shaped column 51 can be prevented from moving at the cover plate 31, and the abrasion between the T-shaped column 51 and the cover plate 31 is reduced.

Referring to the attached fig. 3 of the specification, the limiting ring 52 is made of hard metal, and the outer cylindrical surface of the limiting ring 52 is an arc-shaped surface.

Preventing damage to plug 32 from the outer face of stop collar 52.

Referring to the attached figure 1 of the specification, the top of the sealing cover is the same as the bottom of the sleeve column 11 in size, and the contact surfaces of the sealing cover and the sleeve column are smooth surfaces.

The sealing cover is contacted with the sleeve column 11 more tightly, and the connection strength of the sealing cover can be higher under the action of negative pressure.

Referring to fig. 1 of the specification, the visor 4 is integrally formed with the cover plate 31, and the thickness of the visor 4 is smaller than that of the cover plate 31.

The cap peak 4 is convenient to pinch, and the strength between the cap peak 4 and the cover plate 31 is higher.

With reference to fig. 3 of the specification, the height of the bottom surface of the collar 33 gradually becomes larger toward the outer edge thereof.

This is facilitated when the collar 33 is inserted inside the stem 11.

The utility model discloses the theory of operation: when in use, the main body cap 1 is sleeved at the biopsy channel of the soft endoscope, then the brim 4 is lifted, the sealing cover 3 is pulled out from the top of the main body cap 1, and the biopsy device is inserted into the top of the main body cap 1 for use; also can be through using to carry and draw mechanism 5, carry sealed lid 3 from 3 tops of sealed lid along the direction at 1 top of perpendicular to main part cap, carry and draw mechanism 5 not only can extend, conveniently to carrying and drawing mechanism 5 and pinching and drawing, carry and draw mechanism 5 after the use is accomplished and can get back to the normal position, occupation space is little to sealed lid 3 atress everywhere is comparatively even when carrying and drawing, difficult fracture and permanent deformation obviously improve life.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. Novel check valve piston cap of soft scope, including main part cap (1), its characterized in that: the novel multifunctional cap is characterized in that a connecting band (2) is fixedly connected to a position, close to the bottom, of one side of the main cap (1), a sealing cover (3) is fixedly connected to one end of the connecting band (2), a cap peak (4) is fixedly connected to one side of the sealing cover (3), and a lifting mechanism (5) is slidably connected to the top of the sealing cover (3).

2. The novel check valve piston cap of soft endoscope of claim 1, characterized in that: the main body cap (1) comprises a sleeve column (11), a one-way valve (12) is arranged in the middle of the inner side of the sleeve column (11), a clamping groove (13) is formed in the sleeve column (11) at the bottom of the one-way valve (12), and a check ring (14) is arranged in the sleeve column (11) at the top of the one-way valve (12).

3. The novel check valve piston cap of soft endoscope of claim 2, characterized in that: the sealing cover (3) comprises a cover plate (31), a plug column (32) is fixedly connected to the bottom of the cover plate (31), a clamping ring (33) is sleeved on the outer surface of the plug column (32) at a position close to the bottom, and the clamping ring (33) and the plug column (32) are integrally formed;

the clamping ring (33) is matched with the check ring (14), and the outer diameter of the clamping ring (33) is between the outer diameter and the inner diameter of the check ring (14).

4. The novel check valve piston cap of soft endoscope of claim 3, characterized in that: the lifting mechanism (5) comprises a T-shaped column (51), a limiting ring (52) is sleeved on the outer side of the vertical section of the T-shaped column (51), the limiting ring (52) and the T-shaped column (51) are integrally formed, the outer edge of the limiting ring (52) is embedded into the plug column (32), a plurality of connecting strips (53) are fixedly connected to the bottom of the limiting ring (52), limiting balls (54) are fixedly connected to the bottoms of the connecting strips (53), the top ends of the connecting strips (53) are gradually inclined towards the outer edge of the cover plate (31), and the limiting ring (52) can move in the vertical direction and is in contact with the bottom of the cover plate (31);

the top of the T-shaped column (51) is recessed downwards to form a groove, and the vertical section of the T-shaped column (51) penetrates through the cover plate (31).

5. The novel check valve piston cap of soft endoscope of claim 4, characterized in that: the limiting ring (52) is made of hard metal, and the outer cylindrical surface of the limiting ring (52) is an arc-shaped surface.

6. The novel check valve piston cap of soft endoscope of claim 3, characterized in that: the top of the sealing cover is the same as the bottom of the sleeve column (11), and the contact surfaces of the sealing cover and the sleeve column are smooth surfaces.

7. The novel check valve piston cap of soft endoscope of claim 6, characterized in that: the cap peak (4) and the cover plate (31) are integrally formed, and the thickness of the cap peak (4) is smaller than that of the cover plate (31).

8. The novel check valve piston cap of soft endoscope of claim 3, characterized in that: the height of the bottom surface of the collar (33) gradually increases towards its outer edge.