Disposable multi-layer sealing design endoscopy suction valve

Abstract

The utility model discloses a disposable multi-layer sealing design endoscopic examination suction valve which comprises a rod which comprises a rod body. A water inlet hole is formed in the lower end part of the rod body; a water outlet hole is formed in the side part of the rod body; the water inlet hole is communicated with the water outlet hole through the interior of the rod body; positioning clamping grooves are formed in the upper end part of the side part of the rod body in pairs; guide blocks are symmetrically arranged on the inner wall of the through hole of the sleeve shell; clamping hooks are respectively arranged at the tops of the guide blocks; the guide blocks can be correspondingly inserted into the positioning clamping grooves and move up and down along the positioning clamping grooves; when the sleeve shell moves to the lowest position, the clamping hook hooks the rod and limits the rod, and the through hole wall of the sleeve shell can block the water outlet hole. A silica gel inner ring is also arranged between the sleeve shell and the cover cap; the silica gel inner ring is matched with the through hole of the sleeve shell to realize sealing; meanwhile, the bottom edge of the cap and the top of the silica gel inner ring can be sealed; the utility model can completely eradicate cross infection and has good sealing performance.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the improvement related technical field of endoscope examination suction valve, concretely relates to a disposable use multilayer sealing design endoscope examination suction valve of being able to prevent cross infection, good sealing. BACKGROUND

[0002] The existing endoscope examination suction valve contains a rod, a sleeve and a cap, the center of the sleeve is provided with a through hole, the rod passes through the through hole, and then is fixed with the cap after being sleeved with a spring, the rod contains a rod body, the lower end of the rod body is provided with a water inlet hole, the side of the rod body is provided with a water outlet hole, the water inlet hole and the water outlet hole are communicated through the inside of the rod body, the outer circumference of the lower end of the rod body is provided with a circular sealing groove, the sealing groove is provided with a conventional structure silica gel ring for sealing, the rod and the sleeve are made of metal, the existing endoscope examination suction valve is generally reused, and needs to be disinfected for use after each examination, and if the disinfection process is not complete, medical staff and patients can be infected, and the risk is relatively large, in addition, the existing endoscope examination suction valve is made of metal, the cost is high, and it is inconvenient to use and maintain, thereby increasing the medical cost of patients, and in addition, the sealing performance is poor during work.

[0003] Therefore, we developed a disposable use multilayer sealing design endoscope examination suction valve that can prevent cross infection and has good sealing performance. SUMMARY

[0004] The utility model discloses a disposable use multilayer sealing design endoscope examination suction valve that can prevent cross infection and has good sealing performance.

[0005] To achieve the above object, the utility model provides the following technical scheme: a disposable multilayer sealed design endoscope examination suction valve, including a rod, a sleeve and a cap, the central part of sleeve is provided with a through -hole, the rod passes through the through -hole, is fixed with the cap after setting spring again, the outside of sleeve is provided with a silica gel grommet, the rod contains the rod body, the upper end of the rod body is provided with an external thread column, and the lower end is provided with a water inlet hole, the side of the rod body is provided with a water outlet hole, the water inlet hole and the water outlet hole are communicated through the inside of the rod body, the upper end of the side of the rod body is provided with a positioning clamping groove in pairs, the inner wall of the through -hole of sleeve is provided with a guide block on the wall, the top of the guide block is provided with a hook respectively, the guide block can be inserted into the positioning clamping groove correspondingly and moves up and down along it, when the sleeve moves to the lowest position, the hook hooks the rod and limits, the through -hole wall of sleeve can block the water outlet hole, the silica gel inner ring is also arranged between the sleeve and the cap, the silica gel inner ring is matched with the through -hole of sleeve to realize sealing, simultaneously, the bottom edge of cap is completely attached with the top of silica gel inner ring when axial pressing motion, and the closed is formed.

[0006] Preferably, the lower part of the silica gel inner ring is provided with a step; the step is matched with the through -hole of sleeve to realize sealing.

[0007] Preferably, the cap is provided with a threaded hole; the external thread column is matched with the threaded hole to realize the fixed connection of the rod and the cap.

[0008] Preferably, the bottom of the silica gel grommet is uniformly provided with a crescent edge, the silica gel grommet is a sealed, the bottom of the grommet can effectively attach the endoscope slot, form the bottom airtightness, play a sealing role.

[0009] Preferably, the rod is plastic material, and the silica gel grommet and the silica gel inner ring are all silica gel material.

[0010] Compared with the prior art, the utility model provides a disposable multilayer sealed design endoscope examination suction valve, which has the following beneficial effects:

[0011] 1. Disposable, can effectively prevent the infection risk of medical staff and patients;

[0012] 2. The utility model is plastic and silica gel material, and the cost is lower, has certain advantage in market popularization and product application popularization, greatly reduces the medical cost of patients;

[0013] 3. The silica gel grommet is the first sealing, can effectively attach the endoscope slot, form the bottom airtightness, play a sealing role;

[0014] 4. The inner ring of silica gel is the second sealing, the bottom edge of the cap is completely attached to the top of the inner ring of silica gel during the axial pressing movement, a closed state is formed, the sealing performance is effectively improved during use, and the suction pressure is increased, so that the surgical process is more smooth and safe;

[0015] 5. The positioning clamping grooves are increased on both sides of the rod, the rod can be quickly positioned to the guide block position of the sleeve shell during installation, the foolproof design effectively prevents installation errors and improves production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application, in the drawings:

[0017] Figure 1 A perspective structural schematic view of a disposable multi-layer sealing design endoscope examination suction valve is provided for the present application;

[0018] Figure 2 A perspective exploded enlarged structural schematic view of a disposable multi-layer sealing design endoscope examination suction valve is provided for the present application;

[0019] Figure 3 A first angle perspective structural enlarged schematic view of a rod of a disposable multi-layer sealing design endoscope examination suction valve is provided for the present application;

[0020] Figure 4 A second angle perspective structural enlarged schematic view of a rod of a disposable multi-layer sealing design endoscope examination suction valve is provided for the present application;

[0021] Figure 5 A first angle perspective structural enlarged schematic view of a sleeve shell of a disposable multi-layer sealing design endoscope examination suction valve is provided for the present application;

[0022] Figure 6 A first angle perspective structural enlarged schematic view of a sleeve shell of a disposable multi-layer sealing design endoscope examination suction valve is provided for the present application;

[0023] Figure 7 A cross-sectional enlarged schematic view of a sleeve shell of a disposable multi-layer sealing design endoscope examination suction valve part is provided for the present application;

[0024] Figure 8 A perspective structural enlarged schematic view of a cap of a disposable multi-layer sealing design endoscope examination suction valve is provided for the present application;

[0025] Figure 9A cross section enlarged schematic view of a silica gel sleeve ring of a disposable multi-layer sealing design endoscope examination suction valve part is provided in the utility model.

[0026] Figure 10 A cross section enlarged schematic view of a silica gel inner ring of a disposable multi-layer sealing design endoscope examination suction valve part is provided in the utility model.

[0027] In the drawing: 1, rod; 2, sleeve; 3, cap; 4, silica gel sleeve ring; 5, silica gel inner ring; 6, spring; 11, positioning slot; 21, guide block; 22, hook; 31, threaded hole; 41, crescent edge; 51, step. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] Please refer to Figures 1-10 The utility model provides a technical scheme: a disposable multi-layer sealing design endoscope examination suction valve, including rod 1, sleeve 2 and cap 3, the central portion of sleeve 2 is provided with through hole (not marked), rod 1 passes through through hole, and is fixed with cap 3 after being sleeved with spring 6, the outside of sleeve 2 is sleeved with silica gel sleeve ring 4, rod 1 includes rod body (not marked), the upper end of rod body 11 is provided with external thread column (not marked), and the lower end is provided with water inlet hole (not marked), the side of rod body is provided with water outlet hole (not marked), water inlet hole and water outlet hole are communicated through the inside of rod body, the upper end of the side of rod body is provided with positioning slot 11 in pairs, the inner wall of the through hole of sleeve 2 is symmetrically provided with guide block 21 on, the top of guide block 21 is provided with hook 22 respectively, guide block 21 can be inserted into positioning slot 11 correspondingly and moves up and down along it, when sleeve 2 moves to the lowest position, hook 22 hooks rod 1 and is positioned, and the through hole wall of sleeve 2 can block water outlet hole, sleeve 2 and cap 3 are also provided with silica gel inner ring 5, silica gel inner ring 5 can also sleeve rod 1 and spring 6, the lower part of silica gel inner ring 5 is provided with step 51, step 51 cooperates with the through hole of sleeve 2 to realize sealing, simultaneously, cap bottom edge and silica gel inner ring top completely fit when axially pressing, and form airtightness.

[0030] In the embodiment, the cap 3 is provided with a threaded hole 31; the outer threaded column cooperates with the threaded hole 31 to realize the fixed connection of the rod 1 and the cap 3.

[0031] In the embodiment, the bottom of the silica gel grommet 4 is uniformly provided with a crescent edge 41; the silica gel grommet 4 is a seal, and the bottom of the grommet can effectively fit the endoscope slot to form a bottom seal and play a sealing role.

[0032] In the embodiment, the positioning clamping groove 11 can be quickly positioned to the guide block 21 position of the sleeve shell 2, which can effectively prevent installation errors and improve production efficiency.

[0033] In the embodiment, the rod 1 is made of plastic material, and the silica gel grommet 4 and the silica gel inner ring 5 are made of silica gel material, which has lower cost and certain advantages in market promotion and product application popularization, greatly reducing the medical cost of patients.

[0034] Compared with the prior art, the utility model has the following beneficial effects:

[0035] 1. Disposable, which can effectively prevent the infection risk of medical staff and patients;

[0036] 2. The utility model is made of plastic and silica gel material, which has lower cost and certain advantages in market promotion and product application popularization, greatly reducing the medical cost of patients;

[0037] 3. The silica gel grommet is the first seal, which can effectively fit the endoscope slot to form a bottom seal and play a sealing role;

[0038] 4. The silica gel inner ring is the second seal, the bottom edge of the cap is completely fitted with the top of the silica gel inner ring during the axial pressing movement, a seal is formed, the sealing performance can be effectively improved during use, and the suction pressure is increased, so that the surgical process is more smooth and safe;

[0039] 5. The positioning clamping groove is increased on both sides of the rod 1, which can be quickly positioned to the guide block 21 position of the sleeve shell during installation, and the foolproof design can effectively prevent installation errors and improve production efficiency.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A disposable, multi-layer sealed endoscope suction valve, comprising a rod, a housing, and a cap; the housing has a through hole in its center; the rod passes through the through hole, and is then fixed to the cap after being fitted with a spring; a silicone ring is fitted around the outside of the housing; the rod includes a rod body; the upper end of the rod body has an externally threaded post, and the lower end has a water inlet hole; the side of the rod body has a water outlet hole; the water inlet hole and the water outlet hole communicate through the interior of the rod body; the upper end of the side of the rod body has paired positioning grooves; characterized in that: The inner wall of the through hole of the sleeve is symmetrically provided with guide blocks; each guide block is provided with a hook on its top; the guide blocks can be inserted into the positioning slots and move up and down along them; when the sleeve moves to the lowest position, the hooks hook the rod and limit it, and the through hole wall of the sleeve can block the water outlet; a silicone inner ring is provided between the sleeve and the cap; the silicone inner ring cooperates with the through hole of the sleeve to achieve a seal; at the same time, when the axial pressing movement is performed, the bottom edge of the cap is completely attached to the top of the silicone inner ring to form a seal.

2. The disposable multi-layer sealed endoscope suction valve according to claim 1, characterized in that: The lower part of the silicone inner ring is provided with a step; the step cooperates with the through hole of the casing to achieve a seal.

3. The disposable multi-layer sealed endoscope suction valve according to claim 1, characterized in that: The cap has a threaded hole inside; the external threaded post cooperates with the threaded hole to achieve a fixed connection between the rod and the cap.

4. The disposable multi-layer sealing design endoscope suction valve according to claim 1, characterized in that: The bottom of the silicone sleeve is evenly distributed with crescent edges. The silicone sleeve is a seal, and the bottom of the sleeve can effectively fit the endoscope slot to form a bottom seal and play a sealing role.

5. The disposable multi-layer sealed endoscope suction valve according to claim 1, characterized in that: The rod is made of plastic, and the silicone collar and silicone inner ring are both made of silicone.

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