Quick insertion and extraction mechanism for water-gas pipe

Abstract

The utility model relates to a quick insertion and extraction mechanism for a water-gas pipe, which belongs to the technical field of dental surgical instruments and comprises a four-in and four-out connecting piece, a plurality of sockets are arranged on the surface of one side of the four-in and four-out connecting piece, fixing pieces are arranged in the sockets, each fixing piece comprises a soft rubber sealing ring arranged in the corresponding socket, and the soft rubber sealing rings are arranged in the sockets. A supporting block is fixedly installed on the inner wall of the soft rubber sealing ring, a fixing base is fixedly installed at the other end of the supporting block, a clamping opening is fixedly formed in the other end of the fixing base, and an elastic clamping piece is fixedly installed in the fixing base. According to the quick insertion and extraction mechanism for the water-gas pipe, the fixing piece is inserted into the four-inlet four-outlet connecting piece, so that when a worker replaces the PU pipe, the PU pipe can be replaced only by pressing the fixing piece, time and labor are saved, the structure is simple, manufacturing is easy, cost is low, and the problems that when a traditional pagoda head connector is installed, pipe insertion is difficult, and time and labor are wasted are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of dental surgical instruments, in particular to a water and air pipe quick plug-in and pull-out mechanism. Background Art

[0002] The water-air tube in dental surgical instruments plays an important role in dental surgery and daily treatment. It can provide continuous water flow to the surgical area, effectively cooling the drill or other cutting tools to prevent them from overheating due to friction, thereby protecting the patient's oral tissue from high temperature damage. At the same time, the water flow can also act as a lubricant, reducing the friction between the instrument and the teeth or oral tissue, improving the smoothness of the operation and the comfort of the patient.

[0003] When a dental clinic or hospital performs a large number of operations and treatments every day, the water and air hoses are used frequently, increasing the risk of wear and contamination. In this case, staff need to check and replace the water and air hoses to ensure their normal function and patient safety.

[0004] At present, the connection between the low-voltage electric motor control box and the dental chair part is to directly insert the PU tube into the pagoda-shaped metal joint, so that the dental chair can provide air and water sources to the low-voltage electric motor. The defect of this intubation method is that the intubation is difficult to operate during assembly. It is necessary to use the PU tube heating or expansion method to insert the PU tube into the dental chair joint with finger force. Because the pagoda heads on the joint are relatively dense, it is difficult to exert strength with fingers, so it is difficult to operate, and it is time-consuming and laborious to assemble. If the installation is not in place, there is a risk of the PU tube falling off if the pressure exceeds the standard slightly, so the utility model is proposed to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a water and air pipe quick plug-in and pull-out mechanism, which has the advantages of being easy to replace the PU tube, etc., and solves the problem that the connection between the low-voltage electric motor control box and the dental chair part at this stage is that the PU tube is directly inserted into the pagoda-shaped metal joint, so that the dental chair provides the low-voltage electric motor with air and water sources. The defect of this intubation method is that the intubation is difficult to operate during assembly. It is necessary to use the PU tube heating or tube expansion method, and use finger force to insert the PU tube into the dental chair joint. Because the pagoda heads on the joint are relatively dense, it is difficult to use fingers to exert strength, so it is difficult to operate, and it is time-consuming and laborious to assemble. If the installation is not in place, there is a risk of the PU tube falling off if the pressure exceeds the standard slightly.

[0006] To achieve the above objectives, the utility model provides the following technical solutions: a water and gas pipe quick plug-in and pull-out mechanism, comprising a four-in-four-out connector, a side surface of the four-in-four-out connector is provided with a plurality of sockets, and fixings are arranged inside the plurality of sockets.

[0007] The fixing part includes a soft rubber sealing ring arranged inside the socket, a support block is fixedly installed on the inner wall of the soft rubber sealing ring, a fixing seat is fixedly installed on the other end of the support block, a bayonet is fixedly installed on the other end of the fixing seat, and an elastic card is fixedly installed inside the fixing seat.

[0008] Furthermore, the inner walls of the soft rubber sealing ring, the support block, the fixing seat and the bayonet are all open structures and have the same inner diameter.

[0009] Furthermore, the bevel of the elastic card is oriented toward the soft rubber sealing ring.

[0010] Furthermore, a card slot is provided inside the fixing seat.

[0011] Furthermore, the inner walls of several of the bayonet ports are slidably connected with PU tubes, and the surfaces of several of the PU tubes are provided with openings.

[0012] Furthermore, water pipes, atomizer pipes, cooling air pipes and pressure sensor air pipes are slidably connected to the surfaces of several of the PU pipes.

[0013] Furthermore, the inner side of the elastic card is provided with barbs, the beveled direction of the barbs is oriented inwards, and the barbs are distributed in a ring shape.

[0014] Furthermore, the outer diameter of the PU tube is interference fit with the soft rubber sealing ring.

[0015] Compared with the prior art, the utility model provides a water and gas pipe quick plug-in and pull-out mechanism, which has the following beneficial effects:

[0016] The water and gas pipe quick plug-in and pull-out mechanism inserts the fixing part into the four-input and four-output connector, so that when the staff replaces the PU pipe, they only need to press the fixing part to complete the replacement of the PU pipe. This saves time and effort, has a simple structure, is easy to manufacture, and has low cost. It solves the problem that the traditional pagoda head joint is difficult to insert the pipe during installation, which is time-consuming and labor-intensive. At the same time, it also avoids the problem that the PU pipe falls off autonomously when the pressure exceeds the standard, which improves the practicality of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a side view of the utility model;

[0018] Figure 2 This is a front cross-sectional view of the utility model;

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 4 This is an exploded view of the fixing part of the utility model;

[0021] Figure 5 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0022] In the figure: 1. Four-inlet and four-outlet connector; 2. Soft rubber sealing ring; 3. Support block; 4. Fixing seat; 5. Bayonet; 6. Elastic card; 7. PU tube; 8. Water pipe; 9. Atomizer tube; 10. Cooling air pipe; 11. Pressure sensor air pipe. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5 A water and gas pipe quick plug-in and pull-out mechanism in this embodiment includes a four-input and four-output connector 1, and a plurality of sockets are provided on one side surface of the four-input and four-output connector 1, and fixing parts are provided inside the plurality of sockets.

[0025] See also Figure 1-5 The fixing part includes a soft rubber sealing ring 2 arranged inside the socket, a supporting block 3 is fixedly installed on the inner wall of the soft rubber sealing ring 2, a fixing seat 4 is fixedly installed on the other end of the supporting block 3, a bayonet 5 is fixedly installed on the other end of the fixing seat 4, and an elastic card 6 is fixedly installed inside the fixing seat 4.

[0026] The inner walls of the soft rubber sealing ring 2 , the support block 3 , the fixing seat 4 and the bayonet 5 are all open structures with the same inner diameter, and a card slot is provided inside the fixing seat 4 .

[0027] Secondly, the bevel of the elastic card 6 is oriented toward the soft rubber sealing ring 2, the support block 3 is inclined, and the surface of one end of the fixing seat 4 is larger than the surface of the other end.

[0028] Specifically, install the elastic card 6 into the fixing seat 4, insert one end of the bayonet 5 into one end of the large end face of the fixing seat 4, the protrusion of the bayonet 5 just fits into the slot inside the fixing seat 4, and the inserted end of the bayonet 5 just supports the elastic card 6, insert the inclined end of the support block 3 into one end of the fixing seat 4, and then insert one end of the soft rubber sealing ring 2 into the other end of the support block 3, and then insert the installed fixing into the four-in-four-out connector 1.

[0029] It should be noted that the inner walls of several bayonet sockets 5 are slidably connected with PU tubes 7, the surfaces of several PU tubes 7 are provided with openings, and the surfaces of several PU tubes 7 are respectively slidably connected with water pipes 8, atomizer pipes 9, cooling air pipes 10 and pressure sensor air pipes 11.

[0030] Specifically, the soft rubber sealing ring 2 is interference-fitted with the outer wall of the PU tube 7 to achieve sealing against water and gas.

[0031] In addition, the PU tube 7 is a prior art, and its specific structure and working principle are not described in detail in this article.

[0032] The PU tube 7 is inserted from the bayonet 5. Since the elastic card 6 is formed inwardly, the PU tube 7 is easily inserted to the bottom. When the PU tube 7 wants to be pulled out in the opposite direction, the elastic card 6 forms a barb, the bevel direction of the barb is facing inward, and the barbs are distributed in a ring shape, so that the PU tube 7 is firmly clamped, making it impossible for the PU tube 7 to be pulled out. The inner wall of the four-in-four-out connector 1 forms a stop surface, and the PU tube 7 stops inserting when it hits the stop surface. The soft rubber sealing ring 2 has an interference fit with the outer wall of the PU tube 7 to achieve sealing against water and gas. When the PU tube 7 needs to be pulled out, it is only necessary to press the bayonet 5 and press the bayonet 5 to the bottom. The bayonet 5 will open the elastic card 6, so that the elastic card 6 cannot form a barb to clamp the PU tube 7, and the PU tube 7 can be pulled out smoothly, so that the device can quickly connect the PU tube 7 to the four-in-four-out connector 1, and can also be quickly disassembled, avoiding heating and softening the PU tube 7, time-consuming and laborious installation, and no need to worry about excessive pressure, which will cause the PU tube 7 to fall off automatically.

[0033] The working principle of the above embodiment is as follows: the elastic card 6 is installed in the fixing seat 4, one end of the bayonet 5 is inserted into one end of the large end face of the fixing seat 4, the protrusion of the bayonet 5 is just stuck in the card groove inside the fixing seat 4, and the inserted end of the bayonet 5 just supports the elastic card 6, and the end of the support block 3 with the inclined surface is inserted into one end of the fixing seat 4, and then one end of the soft rubber sealing ring 2 is inserted into the other end of the support block 3, and then the installed fixing is inserted into the four-in-four-out connector 1. The PU tube 7 is inserted from the bayonet 5. Since the molding direction of the elastic card 6 is inwardly molded, the PU tube 7 is easily inserted to the bottom. When the PU tube 7 wants to pull out the tube in the opposite direction, the elastic card 6 forms a barb, thereby firmly fixing it. The PU tube 7 is firmly clamped so that the PU tube 7 cannot be pulled out. The inner wall of the four-in-four-out connector 1 forms a stop surface, and the PU tube 7 stops inserting when it hits the stop surface. The soft rubber sealing ring 2 is interference fit with the outer wall of the PU tube 7 to achieve sealing against water and gas. When the PU tube 7 needs to be pulled out, it is only necessary to press the bayonet 5 and press the bayonet 5 to the bottom. The bayonet 5 will open the elastic card 6, so that the elastic card 6 cannot form barbs to clamp the PU tube 7, and the PU tube 7 can be pulled out smoothly, so that the device can quickly connect the PU tube 7 to the four-in-four-out connector 1, and can also be quickly disassembled, avoiding heating and softening the PU tube 7, time-consuming and labor-intensive installation, and no need to worry about excessive pressure causing the PU tube 7 to fall off on its own.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water and gas pipe quick plug-in and pull-out mechanism, comprising a four-input and four-output connector (1), characterized in that: A plurality of sockets are provided on one side surface of the four-input and four-output connector (1), and fixing parts are provided inside the plurality of sockets; The fixing member comprises a soft rubber sealing ring (2) arranged inside the socket, a support block (3) is fixedly mounted on the inner wall of the soft rubber sealing ring (2), a fixing seat (4) is fixedly mounted on the other end of the support block (3), a bayonet (5) is fixedly mounted on the other end of the fixing seat (4), and an elastic card (6) is fixedly mounted inside the fixing seat (4).

2. A water and gas pipe quick plug-in and pull-out mechanism according to claim 1, characterized in that: The inner walls of the soft rubber sealing ring (2), the supporting block (3), the fixing seat (4) and the bayonet (5) are all open structures and have the same inner diameter.

3. A water and gas pipe quick plug-in and pull-out mechanism according to claim 1, characterized in that: The beveled edge of the elastic card (6) is oriented toward the soft rubber sealing ring (2).

4. A water and gas pipe quick plug-in and pull-out mechanism according to claim 1, characterized in that: A card slot is provided inside the fixing seat (4).

5. A water and gas pipe quick plug-in and pull-out mechanism according to claim 2, characterized in that: The inner walls of the plurality of bayonet holes (5) are slidably plugged with PU tubes (7), and the surfaces of the plurality of PU tubes (7) are provided with openings.

6. A water and gas pipe quick plug-in and pull-out mechanism according to claim 5, characterized in that: The surfaces of the plurality of PU tubes (7) are respectively slidably connected with water pipes (8), atomizer pipes (9), cooling air pipes (10) and pressure sensor air pipes (11).

7. A water and gas pipe quick plug-in and pull-out mechanism according to claim 1, characterized in that: The inner side of the elastic card (6) is provided with barbs, the beveled direction of the barbs is oriented inwards, and the barbs are distributed in a ring shape.

8. The water and gas pipe quick plug-in and pull-out mechanism according to claim 5, characterized in that: The outer diameter of the PU tube (7) is interference fit with the soft rubber sealing ring (2).

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