TWI578948B - Endoscopy with hard tube and multi-layer flexible tube - Google Patents

Description

Endoscope with hard tube and multi-layer flexible tube

The present invention relates to endoscopes, and more particularly to an endoscope having a rigid tube and a plurality of flexible tubes.

Please refer to the Patent No. M441952 of the Republic of China, a soft and hard wire transfer structure of an endoscope, which is connected with a hard wire, a cord, a sleeve and a wire. The adapter structure comprises: a first half shell The body has a first chamber and a first through hole. a second half housing having a second chamber and a second through hole. The second half-shell is in abutment with the first half-shell, and the first chamber and the second chamber together form a chamber. A circuit board is disposed in the chamber. The hard wire has one end passing through the first through hole, connecting the first half case and electrically connecting the circuit board. The cord is passed through the second through hole at one end and electrically connected to the circuit board. The sleeve is sleeved outside the flexible wire and connected to the second partial housing. A wire is inserted into the cord, and one end of the wire is connected to a fixing block, and the second half shell has a fixing groove, and the fixing block is inserted into the fixing groove to fix the second half shell. By the arrangement of the wire, the length of the cord can be maintained. When the cord is pulled by an external force, the external force of the cord is transmitted to the second casing, thereby reducing the chance of the cord being separated from the second casing. .

The soft and hard wire transfer structure of the conventional endoscope, although the wire can maintain the length of the hose, when the endoscope is used inside the machine, the lens of the endoscope cannot be performed, and the hose is easy to produce. The torsion causes damage to the internal wires, and the soft and hard wire transfer structure of the endoscope still has room for improvement.

The main object of the present invention is to provide an endoscope having a rigid tube and a multi-layer flexible tube, the multi-layer flexible tube having the purpose of resisting twisting.

According to the present invention, an endoscope having a rigid tube and a multi-layer flexible tube includes: a camera module, a first joint, a multi-layer flexible tube, at least one tensile cable, at least A wire, a second joint and a rigid tube. One end of the camera module is used to capture images. One end of the first connector is coupled to the other end of the camera module, and the other end of the first connector is recessed to form a first coupling groove. One end of the multi-layer flexible tube is located in the first joint groove of the first joint, and the multi-layer flexible tube is mainly composed of a spiral steel ring layer, an inner braided mesh layer, a coating layer and an outer spring layer. The inner woven mesh layer is located outside the spiral steel rim layer, and the cladding layer is located outside the inner woven mesh layer, and the outer spring layer is located outside the coating layer. The at least one anti-cord cable and the at least one electric wire respectively pass through the spiral steel ring layer, and one end of the at least one anti-cord cable and one end of the one less electric wire are respectively connected to the first wire The joint is fixed. One end of the second joint is concavely formed to form a second joint groove, a convex thread is convexly disposed in the second joint groove, and the other end of the multilayer flexible tube is located in the second joint groove, and the at least one tensile cable is The other end and the other end of the at least one electric wire are respectively connected to the second joint, and the male thread of the second joint is screwed to the outer layer of the multi-layer flexible tube to be fixed. One end of the hard tube is fixed to the other end of the second joint.

Thereby, the multilayer flexible tube of the present invention is composed of the spiral steel ring layer, the inner woven mesh layer, the covering layer and the outer spring layer, and therefore, the multilayer flexible tube has an anti-twist function, and the A tensile cable can maintain the length of the multilayer flexible tube to protect the at least one wire.

100, 200, 300, 400‧‧‧ Endoscopes with rigid tubes and multi-layer flexible tubes

11‧‧‧ camera module

12‧‧‧ first joint

121‧‧‧First joint slot

122‧‧‧First stud

124‧‧‧First anti-sand hole

126‧‧‧First wire hole

128‧‧‧ convex thread

14‧‧‧Multilayer flexible pipe

141‧‧‧Spiral steel ring layer

144‧‧‧Weaving mesh layer

144‧‧‧coating

145‧‧‧ outer woven mesh

146‧‧‧ outer spring layer

16‧‧‧Resist

17‧‧‧Wire

18‧‧‧Second joint

181‧‧‧Second joint slot

182‧‧‧Spread thread

184‧‧‧second stud

186‧‧‧second tensile cable hole

188‧‧‧second wire hole

19‧‧‧ Hard tube

A‧‧‧Viscos

Figure 1 is a perspective view of a first preferred embodiment of the present invention.

2 is an exploded perspective view of a first preferred embodiment of the present invention, showing a camera module, first Joint, multilayer flexible tube, second joint, and hard tube.

Figure 3 is a cross-sectional view taken along line 3-3 of Figure 1, showing the camera module, the first joint, the multilayer flexible tube, the second joint, and the rigid tube.

Figure 4 is a partially enlarged cross-sectional view showing a multilayer flexible tube according to a first preferred embodiment of the present invention, showing an outer spring layer, a cladding layer, an inner braided mesh layer, a spiral steel ring layer, a tensile cable, and an electric wire.

Figure 5 is a partially enlarged cross-sectional view showing a multilayer flexible tube of a second preferred embodiment of the present invention, showing the outer woven mesh layer between the cladding layer and the outer spring layer.

Figure 6 is a partially enlarged cross-sectional view showing the first joint and the multilayer flexible tube of the third preferred embodiment of the present invention, showing that the outer spring layer and the first joint are fixed by adhesive.

Figure 7 is a partially enlarged cross-sectional view showing the first joint and the multilayer flexible tube of the fourth preferred embodiment of the present invention, showing the male threaded outer spring layer of the first joint being fixed.

In order to explain in detail the technical features of the present invention, the following preferred embodiments are described with reference to the drawings, wherein:

As shown in FIG. 1 to FIG. 4 , an endoscope 100 having a rigid tube and a multi-layer flexible tube according to a first preferred embodiment of the present invention is mainly composed of a camera module 11 and a first connector 12 . A multi-layer flexible tube 14, at least one anti-cord cable 16, at least one electric wire 17, a second joint 18 and a rigid tube 19.

One end of the camera module 11 is used for capturing images, as shown in FIG.

One end of the first connector 12 is coupled to the other end of the camera module 11, and the other end of the first connector 12 is recessed to form a first coupling groove 121, as shown in FIG. In the first preferred embodiment, the bottom wall of the first joint groove 121 of the first joint 12 protrudes to form a first protrusion 122, and the first protrusion 122 penetrates to form at least one first cable hole. 124 and a first wire aperture 126.

One end of the multi-layer flexible tube 14 is located in the first joint groove 121 of the first joint 12. As shown in FIG. 2, the multi-layer flexible tube 14 has a spiral steel ring layer 141 and a inner braid. a mesh layer 142, a cladding layer 144 and an outer spring layer 146, as shown in Figures 3 and 4, the inner woven mesh layer 142 is located outside the spiral steel ring layer 141, and the cladding layer 144 is located The inner woven mesh layer 142 is an outer layer, and the outer spring layer 146 is located outside the cladding layer 144. In the first preferred embodiment, the outer spring layer 146 of the multilayer flexible tube 14 is not connected to the first joint 12, as shown in FIG. In addition, the inner woven mesh layer 142 of the multi-layer flexible tube 14 is fixed for the spiral steel ring layer 141 to protect the spiral steel ring layer 141 and support the coating layer 144. In addition, the covering layer 144 of the multilayer flexible tube 14 is made of a wire rubber material. In addition, the outer spring layer 146 is densely spaced at the ends, so that the multilayer flexible tube 14 can be bent to facilitate overturning the obstacle, as shown in FIG.

At least one anti-cord cable 16 and at least one electric wire 17, the at least one anti-cord cable 16 and the at least one electric wire 17 respectively pass through the spiral steel ring layer 141, and one end of the at least one anti-cord cable 16 and the at least one electric wire One end of the 17 is connected to the first joint 12 for fixing. In addition, one of the at least one anti-cord 16 ends through the at least one first cable hole 124. As shown in FIG. 2, one end of the at least one electric wire 17 passes through the first wire hole 126.

One end of the second joint 18 is recessed to form a second joint groove 181. As shown in FIG. 2, the groove wall of the second joint groove 181 is convexly formed with a convex thread 182, and the other end of the multilayer flexible tube 14 is located at the other end. The second connecting slot 181, and the other end of the at least one anti-cord cable 16 and the other end of the at least one electric wire 17 are respectively connected to the second joint 18, and the male thread 182 of the second joint 18 is screwed into the multi-layer The spring layer 146 is fixed outside the tube 14, as shown in FIG. In the first preferred embodiment, the bottom wall of the second joint groove 181 of the second joint 18 protrudes to form a second protrusion 184, and the second protrusion 184 penetrates to form at least one second cable hole. 186 and a second wire hole 188, the other end of the at least one cable 16 is passed through the at least one second cable hole 186, and the other end of the at least one wire 17 passes through the second wire hole 188. Figure 3 shows.

One end of the rigid tube 19 is fixed to the other end of the second joint 18, as shown in FIG.

The structure of the first preferred embodiment of the present invention has been described above, and the state of use of the first preferred embodiment of the present invention will be described next.

Referring to FIG. 1 and FIG. 2, when the camera module 11 is inserted into the interior of the implement (not shown), the camera module 11 cannot be advanced when it encounters an obstacle having a concave and convex wall surface. The user continues to transport the camera module 11 forward, and the camera module 11 will be pushed to the wall surface, so that the multilayer flexible tube 14 can be overturned after the arching, since the multilayer flexible tube 14 is covered by a spiral steel ring. The layer 141, an inner woven mesh layer 142, a cladding layer 144 and an outer spring layer 146 are formed. Therefore, the multilayer flexible tube 14 has an anti-twist function, and the at least one anti-cord 16 can maintain the multilayer flexibility. The length of the tube 14 is such as to protect the at least one electrical wire 17.

It can be seen from the above that the achievable effect of the present invention is that the prior art relates to the fact that when the endoscope is used inside the implement, the lens of the endoscope encounters an obstacle, and the hose is easily twisted, resulting in internal The problem of wire damage. The multilayer flexible tube 14 of the present invention is composed of a spiral steel ring layer 141, an inner woven mesh layer 142, a coating layer 144 and an outer spring layer 146. Therefore, the multilayer flexible tube 14 has an anti-twist function. And the at least one anti-cord 16 can maintain the length of the multi-layer flexible tube 14 to protect the at least one electric wire 17.

It should be noted that, in the first preferred embodiment, the number of the at least one anti-stay cable 16 is exemplified by a single anti-cord cable 16 and is not limited thereto, and may also be a plurality of anti-stay cables. 16. The number of at least one electric wire 17 is exemplified by a plurality of electric wires 17 and is not limited thereto. The at least one first tensile cable hole 124 and the at least one second tensile cable hole 186 are exemplified by a single first tensile cable hole 124 and a single second tensile cable hole 186. To this end, there may be a plurality of first tensile cable holes 124 and a plurality of second tensile cable holes 186. Since the foregoing manner can be understood by the first preferred embodiment, it will not be represented by the drawings.

Referring to FIG. 5, a second embodiment of the present invention provides an endoscope 200 having a rigid tube and a multi-layer flexible tube, which is mainly similar to the first embodiment disclosed above, except that the layer is scratched. The tube 14 further includes an outer woven mesh layer 145 between the cladding layer 144 and the outer spring layer 146. In the second preferred embodiment, the multilayer flexible tube 14 outer woven mesh layer 145 protects the cladding layer 144.

The rest of the structure of the second embodiment is the same as that of the first embodiment, and will not be described again.

Referring to FIG. 6, a third embodiment of the present invention provides an endoscope 300 having a rigid tube and a multi-layer flexible tube, which is mainly similar to the first embodiment disclosed above, except that the layer is scratched. The spring layer 146 outside the tube 14 is glued to the first joint 12 by glue A.

The rest of the structure of the third embodiment is the same as that of the first embodiment, and will not be described again.

Referring to FIG. 7, a fourth embodiment of the present invention provides an endoscope 400 having a rigid tube and a multi-layer flexible tube, which is mainly similar to the first embodiment disclosed above, except that: the first A convex thread 128 is protruded from the groove wall of the first joint groove 121 of the joint 12, and the male thread 128 of the first joint 12 is screwed to the outer spring layer 146 of the multilayer flexible tube 14.

The rest of the structure of the fourth embodiment is the same as that of the first embodiment, and will not be described again.

100‧‧‧Endoscopes with rigid tubes and multi-layer flexible tubes

11‧‧‧ camera module

12‧‧‧ first joint

121‧‧‧First joint slot

122‧‧‧First stud

124‧‧‧First anti-sand hole

126‧‧‧First wire hole

14‧‧‧Multilayer flexible pipe

144‧‧‧coating

146‧‧‧ outer spring layer

16‧‧‧Resist

17‧‧‧Wire

18‧‧‧Second joint

181‧‧‧Second joint slot

182‧‧‧Spread thread

184‧‧‧second stud

186‧‧‧second tensile cable hole

188‧‧‧second wire hole

19‧‧‧ Hard tube

Claims (10)

An endoscope having a rigid tube and a multi-layer flexible tube, comprising: a camera module, one end for capturing an image; a first connector, one end coupled to the other end of the camera module, the other end of the first connector The recessed portion forms a first joint groove; a multi-layer flexible tube has one end located in the first joint groove of the first joint, and the multilayer flexible tube is mainly composed of a spiral steel ring layer, an inner braided mesh layer, and a woven layer a coating layer and an outer spring layer, the inner woven mesh layer is located outside the spiral steel ring layer, the coating layer is located outside the inner woven mesh layer, the outer spring layer is located outside the coating layer; at least one anti-resistant layer The cable and the at least one wire, the at least one wire and the at least one wire respectively pass through the spiral steel ring layer, and one end of the at least one cable and one end of the at least one wire are respectively connected to the first joint; a second joint is recessed at one end to form a second joint groove, a convex thread is convexly disposed in the second joint groove, and the other end of the multilayer flexible tube is located in the second joint groove, and the at least one tensile cable is The other end and the other end of the at least one wire are respectively connected to the Two fixed joint, the second joint of the male thread screwed into the spring fixing layer outside the multilayer flexible tube; and a rigid tube, one end fixed to the other end of the second connector. An endoscope having a rigid tube and a multi-layer flexible tube according to claim 1, wherein the multi-layer flexible tube further comprises an outer woven mesh layer, the outer woven mesh layer being located on the covering layer and the outer layer Between the spring layers. An endoscope having a rigid tube and a multi-layer flexible tube according to claim 2, wherein the multi-layer flexible tube protects the coating layer by a woven mesh layer. An endoscope having a rigid tube and a multi-layer flexible tube according to the first aspect of the patent application, wherein the outer spring layer is densely spaced at the ends and intermediate. An endoscope having a rigid tube and a multi-layer flexible tube according to claim 1, wherein the outer layer of the multi-layer flexible tube is not connected to the first joint. An endoscope having a rigid tube and a multi-layer flexible tube according to the first aspect of the patent application, wherein the outer layer of the multi-layer flexible tube is fixed to the first joint by an adhesive. An endoscope having a rigid tube and a multi-layer flexible tube according to the first aspect of the patent application, wherein: the groove wall of the first joint groove of the first joint is convexly formed with a convex thread, and the male thread of the first joint is screwed The multilayer flexible tube is secured to the outer spring layer. An endoscope having a rigid tube and a multi-layer flexible tube according to the first aspect of the patent application, wherein the coating layer of the multi-layer flexible tube is a wire rubber material. An endoscope having a rigid tube and a multi-layer flexible tube according to the first aspect of the patent application, wherein: the inner braided mesh layer of the multilayer flexible tube protects the spiral steel ring layer and supports the coating layer. An endoscope having a rigid tube and a multi-layer flexible tube according to the first aspect of the patent application, wherein: a bottom wall of the first joint groove of the first joint protrudes to form a first protrusion, the first protrusion Forming at least one first cable hole and a first wire hole, one end of the at least one cable is inserted through the at least one first cable hole, and one end of the at least one wire passes through the first wire hole; a bottom wall of the second joint groove of the second joint protrudes to form a second protrusion, and the second protrusion penetrates to form at least one second cable hole and a second wire hole, the at least one cable The other end of the wire passes through the at least one second cable hole, and the other end of the at least one wire passes through the second wire hole.