Endoscope with detachable lens

Abstract

The utility model relates to the field of endoscopes, and discloses an endoscope with a detachable lens, which comprises a transmission data line and an endoscope main body, the endoscope main body comprises a pipeline connecting assembly, an endoscopic assembly and a middle connecting assembly for connecting the pipeline connecting assembly and the endoscopic assembly, and the pipeline connecting assembly comprises a pipeline shell. A line hole is formed in the pipeline shell, an elastic pin support is arranged in the pipeline shell, a plurality of insertion contact pins are arranged on the elastic pin connector, and a connecting mechanism is arranged at the front part of the pipeline shell; the endoscope assembly comprises an endoscope body, a lens fixing sleeve is provided with a fixing sleeve sub-thread, the middle connecting assembly comprises a middle connecting sleeve, the inner wall of the front portion of the middle connecting sleeve is provided with a fixing sleeve female thread and a connecting sleeve sealing ring, and the fixing sleeve female thread and the connecting sleeve sealing ring are matched with the fixing sleeve sub-thread. The inner wall of the rear portion of the middle connecting sleeve is provided with tube shell internal threads, the tube shell internal threads are matched with the connecting mechanism, and all parts of the endoscope can be connected in a sealed mode.

Description

Technical Field

[0001] The utility model relates to the technical field of endoscopes, in particular to an endoscope with a detachable lens. Background Art

[0002] Endoscope is a detection instrument that integrates optics, precision machinery, electronic machinery, electronic technology and microscopic camera technology. It is widely used in various departments of modern industry such as medical treatment, automobile, aircraft engine, chemistry, and atomic energy.

[0003] Since the endoscope is extended into the interior of the device when inspecting the device, it will be contaminated with impurities during use. The traditional endoscope is an integrated structure and is not easy to disassemble, which may cause inconvenience for the user to clean the various components of the endoscope later. In addition, the sealing of the assembly connections of the various components of the endoscope after cleaning also needs to be improved to prevent humid water vapor from entering the interior of the endoscope when using the endoscope. Therefore, we propose an endoscope with a detachable lens. Summary of the invention

[0004] In view of the deficiencies in the prior art, the utility model provides an endoscope with a detachable lens, which solves the problems mentioned in the above background.

[0005] The utility model provides the following technical solution: The utility model discloses a lens detachable endoscope, comprising a transmission data line and an endoscope body, wherein the endoscope body comprises a pipeline connection component and an endoscope component, and a middle connection component connecting the pipeline connection component and the endoscope component;

[0006] The pipeline connection assembly comprises a pipeline housing, a wire hole is formed on the pipeline housing, a spring pin bracket is arranged inside the pipeline housing, a spring pin connector is arranged on the spring pin bracket, one end of the transmission data line passes through the wire hole and is connected to the spring pin connector, a plurality of plug-in contact pins are arranged on the spring pin connector, and a connection mechanism is arranged at the front of the pipeline housing;

[0007] The endoscope assembly comprises a scope body, a lens fixing sleeve is fixedly arranged on the scope body, and a fixing sleeve thread is provided on the lens fixing sleeve;

[0008] The middle connecting assembly includes a middle connecting sleeve, the front inner wall of which is provided with a fixing sleeve female thread and a connecting sleeve sealing ring, the fixing sleeve female thread and the connecting sleeve sealing ring are adapted to the fixing sleeve thread, the rear inner wall of which is provided with a tube shell internal thread, the tube shell internal thread is adapted to the connecting mechanism.

[0009] As a preferred solution, a silicone wire sleeve is provided on the inner side of the wire hole, and the inner wall of the silicone wire sleeve is in contact with the transmission data line.

[0010] As a preferred solution, a plurality of slots are provided inside the pipeline housing, and drying sheets are provided in the slots.

[0011] As a preferred solution, the connecting mechanism includes a group of tube shell external threads arranged on the outside of the pipeline shell, a middle sealing sleeve is arranged between two of the tube shell external threads, the middle sealing sleeve is fitted with the inner wall of the pipeline shell, and a sealing gasket is arranged on the pipeline shell, and the sealing gasket is located on the rear side of the rear tube shell external threads.

[0012] As a preferred embodiment, the endoscope body includes an endoscope shell connected to the lens fixing sleeve, a lens seat is arranged in the endoscope shell, an endoscope lens is arranged on the front side of the lens seat, a circuit board is arranged on the lens seat, the circuit board is electrically connected to the connector socket, a lens and a cold light source are arranged on the front side of the endoscope shell, and the lens corresponds to the endoscope lens.

[0013] As a preferred solution, the connector female base is provided with a plurality of spring pin insertion holes, and the plurality of spring pin insertion holes are adapted to the plurality of plug contact pins.

[0014] As a preferred solution, the spring pin insertion hole is provided with magnetism.

[0015] As a preferred solution, the surfaces of the spring pin insertion hole and the plug contact pin are provided with a protective coating.

[0016] As a preferred solution, a sealing spacer is provided on the connector female seat, a spacer sealing ring is provided on the outer side of the sealing spacer, and the spacer sealing ring is in contact with the inner wall of the middle connecting sleeve.

[0017] As a preferred solution, a plurality of side grooves are evenly arranged on the outer side of the middle connecting sleeve.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] The utility model provides a fixing sleeve female thread and a connecting sleeve sealing ring on the front inner wall of the middle connecting sleeve, and screws the fixing sleeve female thread and the connecting sleeve sealing ring with the fixing sleeve thread of the lens fixing sleeve, so that the fixing sleeve female thread and the fixing sleeve thread are threadedly connected, and the connecting sleeve sealing ring bites with the fixing sleeve thread, so that the endoscope component and the middle connecting component are connected and the sealing performance is also improved.

[0020] The pipeline connection assembly and the middle connection assembly are connected by a connection mechanism, a group of tube shell external threads are arranged on the outside of the pipeline shell, and a middle sealing sleeve is arranged between the two tube shell external threads. The tube shell internal threads are connected with the tube shell external threads by adjusting the middle connection sleeve, so that the middle sealing sleeve is fitted with the inner wall of the pipeline shell, and the sealing gasket on the pipeline shell is sealed with the inner side of the end of the middle connection sleeve, so that the pipeline connection assembly and the middle connection assembly are sealed and connected.

[0021] A sealing spacer is provided on the connector female seat, and a spacer sealing ring is provided on the outer side of the sealing spacer. The spacer sealing ring is fitted with the inner wall of the middle connecting sleeve to improve the sealing performance of the connector female seat in the middle connecting sleeve, thereby preventing moisture in the test environment from entering the endoscope body through the connector female seat and affecting the normal use of the endoscope body. A silicone wire sleeve is provided on the inner side of the wire hole, and the inner wall of the silicone wire sleeve is fitted with the transmission data line to improve the sealing performance between the transmission data line and the pipeline casing.

[0022] A plurality of slots are provided inside the pipeline housing, and drying sheets are provided in the slots, so that the interior of the pipeline housing is always in a dry state. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0024] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0025] Figure 3 is a cross-sectional view of a pipeline connection assembly;

[0026] Figure 4 for Figure 3 The enlarged view of point B in the middle;

[0027] Figure 5 It is a cross-sectional view of the endoscope assembly and the middle connecting assembly;

[0028] Figure 6 for Figure 5 Enlarged view of point C in the middle.

[0029] In the figure: 1. Transmission data line; 2. Pipeline housing; 3. Spring pin bracket; 4. Spring pin connector; 5. Plug contact pin; 6. Endoscope body; 7. Lens fixing sleeve; 8. Fixing sleeve thread; 9. Middle connecting sleeve; 10. Fixing sleeve female thread; 11. Connecting sleeve sealing ring; 12. Tube shell internal thread; 13. Silicone wire sleeve; 14. Drying sheet; 15. Tube shell external thread; 16. Middle sealing sleeve; 17. Sealing pad; 18. Endoscope housing; 19. Lens seat; 20. Endoscope lens; 21. Circuit board; 22. Connector female seat; 23. Lens; 24. Cold light source; 25. Spring pin jack; 26. Sealing spacer; 27. Side groove. DETAILED DESCRIPTION

[0030] 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.

[0031] See also Figure 1-6 The embodiment of the endoscope with a detachable lens includes a transmission data line 1 and an endoscope body 6, and a middle connection component connecting a pipeline connection component and an endoscope component; the outer layer of the transmission data line 1 is wear-resistant rubber, which improves the wear resistance and tensile strength of the transmission data line 1; the endoscope body 6 includes a pipeline connection component and an endoscope component, the endoscope component is used to spy on the inside of the test device, and the pipeline connection component is connected to the host through the transmission data line 1, thereby transmitting the data of the endoscope component.

[0032] The pipeline connection assembly includes a pipeline housing 2, a wire hole is opened on the pipeline housing 2, a spring pin bracket 3 is arranged inside the pipeline housing 2, a spring pin connector 4 is arranged on the spring pin bracket 3, one end of the transmission data line 1 passes through the wire hole and is connected to the spring pin connector 4, a plurality of plug-in contact pins 5 are arranged on the spring pin connector 4, and a connection mechanism is arranged at the front of the pipeline housing 2, and the connection mechanism assembles and seals the pipeline connection assembly and the middle connection assembly;

[0033] The endoscope assembly includes a scope body 6, on which a lens fixing sleeve 7 is fixedly arranged, and on which a fixing sleeve thread 8 is provided;

[0034] The middle connecting assembly includes a middle connecting sleeve 9, and the front inner wall of the middle connecting sleeve 9 is provided with a fixing sleeve female thread 10 and a connecting sleeve sealing ring 11, and the fixing sleeve female thread 10 and the connecting sleeve sealing ring 11 are adapted to the fixing sleeve thread 8, and the rear inner wall of the middle connecting sleeve 9 is provided with a tube shell internal thread 12, and the tube shell internal thread 12 is adapted to the connecting mechanism, so that the pipeline connecting assembly and the endoscope assembly are connected for assembly and sealing.

[0035] like Figure 1 and Figure 2 As shown, a silicone wire sleeve 13 is provided inside the wire hole, and the inner wall of the silicone wire sleeve 13 fits with the transmission data wire 1 to improve the sealing between the transmission data wire 1 and the pipeline housing 2.

[0036] like Figure 5 As shown, the interior of the pipeline housing 2 is provided with a plurality of slots, in which drying sheets 14 are arranged. The drying sheets 14 are made of water-absorbing silica gel particles wrapped in non-woven fabric, so that the interior of the pipeline housing 2 is always in a dry state.

[0037] like Figure 5 and 6 As shown, the connection mechanism includes a group of tube shell external threads 15 arranged on the outer side of the pipeline shell 2, a middle sealing sleeve 16 is arranged between the two tube shell external threads 15, the middle sealing sleeve 16 is fitted with the inner wall of the pipeline shell 2, and a sealing gasket 17 is arranged on the pipeline shell 2. The sealing gasket 17 is located on the rear side of the rear tube shell external threads 15, and the pipeline shell 2 and the middle connecting sleeve 9 are sealed and connected through the connection mechanism.

[0038] like Figure 5 and 6 As shown, the endoscope body 6 includes an endoscope shell 18 connected to the lens fixing sleeve 7, a lens seat 19 is arranged in the endoscope shell 18, an endoscope lens 20 is arranged on the front side of the lens seat 19, a circuit board 21 is arranged on the lens seat 19, the circuit board 21 is electrically connected to the connector socket 22, and a lens 23 and a cold light source 24 are arranged on the front side of the endoscope shell 18. The lens 23 corresponds to the endoscope lens 20, and the lens 23 is made of coated sapphire glass. The cold light source 24 provides a light source for the endoscope lens 20 to explore, and the interior of the detection device is spied on through the endoscope body 6.

[0039] like Figure 1 , 3 As shown in FIG. 5 , a plurality of spring pin holes 25 are provided on the connector female seat 22, and the plurality of spring pin holes 25 are adapted to the plurality of plug contact pins 5. The pipeline connection component and the endoscope component are assembled and connected by plugging together the corresponding spring pin holes 25 and the plug contact pins 5.

[0040] like Figure 3 , 5As shown, the spring pin socket 25 is provided with magnetism, so that the corresponding spring pin socket 25 and the plug contact pin 5 are stably plugged in, thereby improving the stability of the connection between the spring pin socket 25 and the plug contact pin 5.

[0041] like Figure 3 , 5 As shown, the surfaces of the spring pin insertion hole 25 and the plug contact pin 5 are provided with a protective coating, which improves the wear resistance and oxidation resistance of the spring pin insertion hole 25 and the plug contact pin 5, thereby improving the service life of the endoscope.

[0042] like Figure 5 and 6 As shown, a sealing spacer 26 is provided on the connector socket 22, and a spacer sealing ring is provided on the outer side of the sealing spacer 26. The spacer sealing ring fits with the inner wall of the middle connecting sleeve 9, thereby improving the sealing of the connector socket 22 in the middle connecting sleeve 9 and preventing moisture in the test environment from entering the endoscope body 6 through the connector socket 22 and affecting the normal use of the endoscope body 6.

[0043] like Figure 1 As shown, a plurality of side grooves 27 are evenly arranged on the outer side of the middle connecting sleeve 9, so that the user can easily twist the middle connecting sleeve 9 to assemble and connect the pipeline connecting assembly and the endoscope assembly.

[0044] When the present embodiment is implemented, when the user uses the endoscope, the endoscope assembly and the middle connecting assembly are first connected, and the front inner wall of the middle connecting sleeve 9 is provided with a fixed sleeve female thread 10 and a connecting sleeve sealing ring 11, and the fixed sleeve female thread 10 and the connecting sleeve sealing ring 11 are screwed together with the fixed sleeve thread 8 of the lens fixing sleeve 7, so that the fixed sleeve female thread 10 and the fixed sleeve thread 8 are threadedly connected, and the connecting sleeve sealing ring 11 is engaged with the fixed sleeve thread 8, so that the endoscope assembly and the middle connecting assembly are connected, and the sealing performance is also improved. Then, the elastic pin connector 4 on the pipeline connecting assembly is connected to the connector female seat 22 on the endoscope assembly, and the corresponding elastic pin plug The hole 25 and the plug-in contact pin 5 are plugged together, and the spring pin socket 25 is provided with magnetism to improve the stability of the connection between the spring pin socket 25 and the plug-in contact pin 5. Then, the pipeline connection assembly and the middle connection assembly are connected through the connection mechanism. A group of tube shell external threads 15 are provided on the outside of the pipeline shell 2. A middle sealing sleeve 16 is provided between the two tube shell external threads 15. By adjusting the middle connection sleeve 9, the tube shell internal thread 12 is connected with the tube shell external thread 15, so that the middle sealing sleeve 16 is fitted with the inner wall of the pipeline shell 2, and the sealing gasket 17 on the pipeline shell 2 is sealed with the inner side of the end of the middle connection sleeve 9, so that the pipeline connection assembly and the middle connection assembly are sealed and connected;

[0045] A sealing spacer 26 is provided on the connector female seat 22, and a spacer sealing ring is provided on the outer side of the sealing spacer 26. The spacer sealing ring is fitted with the inner wall of the middle connecting sleeve 9, thereby improving the sealing performance of the connector female seat 22 in the middle connecting sleeve 9, and preventing moisture in the test environment from entering the endoscope body 6 through the connector female seat 22, thereby affecting the normal use of the endoscope body 6. A silicone wire sleeve 13 is provided on the inner side of the wire hole, and the inner wall of the silicone wire sleeve 13 is fitted with the transmission data line 1, thereby improving the sealing performance between the transmission data line 1 and the pipeline housing 2;

[0046] A plurality of grooves are provided inside the pipeline housing 2, and drying sheets 14 are provided in the grooves, so that the interior of the pipeline housing 2 is always in a dry state.

[0047] Although the 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 lens-detachable endoscope, comprising a data transmission cable (1) and an endoscope body, characterized in that: The endoscope body comprises a pipeline connection component and an endoscope component, and a middle connection component connecting the pipeline connection component and the endoscope component; The pipeline connection assembly comprises a pipeline housing (2), the pipeline housing (2) is provided with a wire hole, a spring pin bracket (3) is arranged inside the pipeline housing (2), a spring pin connector (4) is arranged on the spring pin bracket (3), one end of the transmission data line (1) passes through the wire hole and is connected to the spring pin connector (4), a plurality of plug-in contact pins (5) are arranged on the spring pin connector (4), and a connection mechanism is arranged at the front of the pipeline housing (2); The endoscope assembly comprises a scope body (6), a lens fixing sleeve (7) being fixedly arranged on the scope body (6), and a fixing sleeve thread (8) being provided on the lens fixing sleeve (7); The middle connection assembly comprises a middle connection sleeve (9), the front inner wall of the middle connection sleeve (9) is provided with a fixing sleeve female thread (10) and a connection sleeve sealing ring (11), the fixing sleeve female thread (10) and the connection sleeve sealing ring (11) are matched with the fixing sleeve male thread (8), and the rear inner wall of the middle connection sleeve (9) is provided with a tube shell internal thread (12), the tube shell internal thread (12) is matched with the connection mechanism.

2. The endoscope with a detachable lens according to claim 1, characterized in that: A silicone wire sleeve (13) is provided on the inner side of the wire hole, and the inner wall of the silicone wire sleeve (13) is in contact with the transmission data wire (1).

3. The endoscope with a detachable lens according to claim 1, characterized in that: A plurality of slots are provided inside the pipeline housing (2), and drying sheets (14) are provided in the slots.

4. The endoscope with a detachable lens according to claim 1, characterized in that: The connection mechanism comprises a group of tube shell external threads (15) arranged on the outside of the pipeline shell (2); a middle sealing sleeve (16) is arranged between two of the tube shell external threads (15); the middle sealing sleeve (16) is in contact with the inner wall of the pipeline shell (2); a sealing gasket (17) is arranged on the pipeline shell (2); the sealing gasket (17) is located at the rear side of the rear tube shell external threads (15).

5. The endoscope with a detachable lens according to claim 1, characterized in that: The endoscope body (6) comprises an endoscope housing (18) connected to the lens fixing sleeve (7), a lens seat (19) being arranged in the endoscope housing (18), an endoscope lens (20) being arranged on the front side of the lens seat (19), a circuit board (21) being arranged on the lens seat (19), the circuit board (21) being electrically connected to a connector female seat (22), a lens (23) and a cold light source (24) being arranged on the front side of the endoscope housing (18), the lens (23) corresponding to the endoscope lens (20).

6. The endoscope with a detachable lens according to claim 5, characterized in that: The connector female seat (22) is provided with a plurality of spring pin insertion holes (25), and the plurality of spring pin insertion holes (25) are adapted to the plurality of plug contact pins (5).

7. The endoscope with a detachable lens according to claim 6, characterized in that: The spring pin insertion hole (25) is provided with magnetism.

8. The endoscope with a detachable lens according to claim 7, characterized in that: The surfaces of the spring pin insertion hole (25) and the plug contact pin (5) are provided with a protective coating.

9. The endoscope with a detachable lens according to claim 5, characterized in that: A sealing spacer (26) is provided on the connector female seat (22), a spacer sealing ring is provided on the outer side of the sealing spacer (26), and the spacer sealing ring is in contact with the inner wall of the middle connecting sleeve (9).

10. The endoscope with a detachable lens according to claim 1, characterized in that: A plurality of side grooves (27) are evenly arranged on the outer side of the middle connecting sleeve (9).

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