Underwater fixing device of depth finder transducer
By using a snap-fit structure and telescopic rod design, the measurement error caused by the transducer wiring drifting in the water is solved, achieving a stable connection of the transducer and accurate water depth measurement, adapting to the measurement needs of different water depths.
Patent Information
- Application Number
- CN202520522725.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-22
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-22
AI Technical Summary
The transducer wiring is prone to drifting in the water, which can lead to inaccurate depth measurements by the depth sounder.
The transducer is detachably connected to the protective rod using a snap-fit structure, and the wiring passes through the protective rod to connect to external equipment. The snap-fit ring and snap-fit bolt are used for fixing, and the combination of telescopic rod and limiting structure ensures a stable connection of the transducer.
It effectively reduces the error in the height of the transducer above the water surface, improves the accuracy of water depth measurement results, and is applicable to measurement scenarios with different water depths, thus improving the versatility and stability of the device.
Smart Images

Figure CN223807949U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of depth sounder technology, and in particular to an underwater fixing device for a depth sounder transducer. Background Technology
[0002] Currently, depth sounders, as key instruments for detecting water depth using sound waves, primarily rely on transducers for sound wave transmission and reception. In practice, the conventional method is to place the transducer at a specific depth H in the water. The transducer then emits sound waves underwater, accurately detecting its depth to the bottom. Finally, by adding this detected depth to the transducer's height H above the water surface, an accurate water depth data is obtained.
[0003] However, in practical applications, the transducer is connected to wiring via connecting nuts, and the wiring is connected to external equipment. The transducer wiring is prone to drifting in the water. This instability directly causes errors in the height of the transducer above the water surface, thus affecting the accuracy of the water depth measurement results, and there is room for improvement. Utility Model Content
[0004] In order to fix the wiring of the transducer and thus improve the stability of the transducer during testing, this application provides an underwater fixing device for a depth sounder transducer.
[0005] This application provides an underwater fixing device for a depth sounder transducer, which adopts the following technical solution:
[0006] An underwater mounting device for a depth sounder transducer includes a protective rod and a snap-fit structure for connecting the transducer to the protective rod. The snap-fit structure is detachably connected to the protective rod. The protective rod is hollow inside, and the transducer's wiring passes through the protective rod and is connected to external equipment.
[0007] By adopting the above technical solution, the transducer is detachably connected to the protective rod using a snap-fit structure, and the wiring is passed through the protective rod to connect to external equipment. The detachable design of the snap-fit structure facilitates the installation and removal of the transducer by the staff. The protective rod limits the wiring of the transducer, preventing the wiring from floating in the water, thereby effectively reducing the error in the height of the transducer above the water surface and improving the accuracy of the water depth measurement results.
[0008] Preferably, the snap-fit structure includes a snap-fit ring and a snap-fit bolt. The snap-fit ring is threaded onto the protective rod, and the snap-fit ring and the connecting nut form a sleeve fit and are snapped and fixed by the snap-fit bolt.
[0009] By adopting the technical scheme, the clamping ring body and the connecting nut are in a sleeved fit and are fixed by the clamping bolt, and the transducer can be stably connected to the protection rod, so that the transducer will not be separated from the protection rod due to water flow impact or the like when working underwater, and the stability of the transducer is further improved.
[0010] Preferably, the protection rod comprises a connecting rod, an extension rod, and a limiting bolt for fixing the extension rod on the connecting rod, and the extension rod is arranged in the connecting rod in an extension and retraction mode.
[0011] By adopting the technical scheme, the extension rod is arranged in the connecting rod in an extension and retraction mode, and the position of the extension rod is fixed by the bolt, so that the length of the protection rod can be adjusted according to actual needs, the device is suitable for measurement scenes of different water depths, and the universality and adaptability of the device are improved.
[0012] Preferably, the connecting rod comprises a left connecting block and a right connecting block, the left connecting block and the right connecting block are rotationally connected, the extension rod comprises a left opening and closing block and a right opening and closing block, the left opening and closing block and the right opening and closing block are rotationally connected, the left opening and closing block is arranged on the left connecting block, the right opening and closing block is arranged on the right connecting block, the connecting rod is provided with a first limiting structure for limiting the opening and closing of the left connecting block and the right connecting block, and the extension rod is provided with a second limiting structure for limiting the opening and closing of the left opening and closing block and the right opening and closing block.
[0013] By adopting the technical scheme, the connecting rod is composed of the left connecting block and the right connecting block, the extension rod is correspondingly composed of the left opening and closing block and the right opening and closing block, and the connecting rod and the extension rod are locked by the first limiting structure and the second limiting structure, so that the arrangement process of the transducer wire is greatly facilitated, and the assembly efficiency is improved.
[0014] Preferably, the first limiting structure comprises a plug rod, a U-shaped communication block, a pressing switch for pressing the U-shaped communication block, a first spring for helping the U-shaped communication block to reset, and a second spring for helping the plug rod to reset, the plug rod is arranged on the left connecting block, the plug rod is provided with a clamping groove for clamping the end of the U-shaped communication block, the pressing switch, the U-shaped communication block, the first spring, and the second spring are arranged on the right connecting block, the first spring is sleeved on the end of the U-shaped communication block away from the plug rod, and the plug rod is in abutting fit with the second spring.
[0015] When the connecting rod needs to be unfolded, the staff presses the switch, the first spring is compressed and the U-shaped connecting block is pushed downward, so that the U-shaped connecting block is separated from the clamping groove of the insertion rod, the second spring pops out the insertion rod, and at this time the left connecting block and the right connecting block can be rotated to unfold; after the pressing switch is released, the U-shaped connecting block is reset under the action of the first spring, which is convenient to operate and firm in connection.
[0016] Preferably, a first sliding groove is formed in the left connecting block, a first sliding block is arranged on the outer wall of the left opening and closing block and used to form sliding cooperation with the first sliding groove, a second sliding groove is formed in the right connecting block, and a second sliding block is arranged on the outer wall of the right opening and closing block and used to form sliding cooperation with the second sliding groove.
[0017] By adopting the above technical scheme, the first sliding block and the first sliding groove are in sliding cooperation, and the second sliding block and the second sliding groove are in sliding cooperation, so that the telescopic rod is more smooth when it is extended and retracted in the connecting rod, and the stability of the telescopic rod during extension and retraction is ensured, avoiding shaking or deviation.
[0018] Preferably, the left opening and closing block and the right opening and closing block are both provided with a limiting ring for limiting the interface wire, and the limiting ring is used to tighten the interface wire by winding a strap.
[0019] By adopting the above technical scheme, after the interface wire is arranged in the protective rod, the interface wire is fixed by winding the strap on the limiting ring, so that the interface wire is prevented from shaking in the protective rod, the fixing effect of the interface wire of the transducer is enhanced, and the stability of the device as a whole is improved.
[0020] Preferably, the protective rod is symmetrically provided with a pull ring for maintaining the stability of the protective rod.
[0021] By adopting the above technical scheme, the pull ring is symmetrically arranged, so that the pull ring can be connected by a rope or other tools during installation and use of the device, the positioning and fixing of the protective rod are facilitated, the stability of the protective rod under water is maintained, and the stable work of the transducer is ensured.
[0022] In summary, the present application has at least one of the following beneficial technical effects:
[0023] 1. The transducer is detachably connected to the protective rod by the clamping structure, and the interface wire is arranged in the protective rod and connected to the external equipment, the detachable design of the clamping structure facilitates the installation and disassembly of the transducer by the staff, the protective rod limits the interface wire of the transducer, avoids the interface wire from floating in water, effectively reduces the error of the height of the transducer from the water surface, and improves the accuracy of the water depth measurement result;
[0024] 2. The telescopic rod is arranged in the connecting rod in a telescopic sliding mode, and the position of the telescopic rod is fixed through bolts, so that the length of the protection rod can be adjusted according to actual needs, the device is suitable for measurement scenes of different water depths, and the universality and adaptability of the device are improved.
[0025] 3. When the connecting rod needs to be unfolded, the staff presses the switch, the pressing of the switch compresses the first spring and pushes the U-shaped connecting block to move downward, the U-shaped connecting block is separated from the clamping groove of the plug rod, the second spring pops out the plug rod, at this time, the left connecting block and the right connecting block can be rotated to unfold; after the pressing switch is released, the U-shaped connecting block is reset under the action of the first spring, the operation is convenient and the connection is firm. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 is an axonometric view mainly embodying the overall structure in the first embodiment of the application;
[0027] Figure 2 is a structural view mainly embodying the connection relationship among the protection rod, the clamping structure and the transducer in the first embodiment of the application;
[0028] Figure 3 is an axonometric view mainly embodying the overall structure in the second embodiment of the application;
[0029] Figure 4 is a partial exploded view mainly embodying the connecting rod and the telescopic rod structure in the second embodiment of the application;
[0030] Figure 5 is a state view mainly embodying the connecting rod and the telescopic rod in an unfolded state in the second embodiment of the application;
[0031] Figure 6 is a partial exploded view mainly embodying the first limiting structure in the second embodiment of the application;
[0032] Figure 7 is a sectional view of the protection rod in the second embodiment of the application, mainly embodying the cooperation relationship among the plug rod, the U-shaped connecting block and the second spring;
[0033] Figure 8 is a structural view mainly embodying the cooperation relationship between the plug rod and the plug-in groove in the second embodiment of the application.
[0034] Mark No. : 1, guard rod; 11, connecting rod; 111, limiting hole; 112, left connecting block; 113, right connecting block; 1131, U-shaped groove; 1132, pressing groove; 1133, plug-in groove; 114, pull ring; 115, mark section; 12, telescopic rod; 121, threaded hole; 122, step surface; 123, left opening and closing block; 1231, first sliding block; 124, right opening and closing block; 1241, second sliding block; 125, limiting ring; 13, limiting bolt; 14, first limiting structure; 141, plug rod; 1411, clamping groove; 142, U-shaped communication block; 143, pressing switch; 144, first spring; 145, second spring; 15, second limiting structure; 2, clamping structure; 21, clamping ring body; 211, clamping hole; 22, clamping bolt. DETAILED DESCRIPTION
[0035] The following will be described in detail below with reference to the accompanying drawings. Figure 1 - the accompanying drawings Figure 8 The application is further described in detail.
[0036] The embodiment of the application discloses an underwater fixing device of a depth finder transducer.
[0037] Embodiment I:
[0038] Reference Figure 1 and Figure 2 An underwater fixing device of a depth finder transducer, comprising a guard rod 1 and a clamping structure 2, the inside of the guard rod 1 is hollow, used for accommodating the wiring of the transducer, the clamping structure 2 is detachably connected to the guard rod 1, the clamping structure 2 comprises a clamping ring body 21 and a clamping bolt 22, the outer side of the clamping ring body 21 and the inner wall of the guard rod 1 are both threaded, so that the clamping ring body 21 is connected to the end of the guard rod 1 through threads, and the wiring of the transducer is arranged through the guard rod 1 and connected to external equipment.
[0039] Reference Figure 1 and Figure 2 The inner diameter of the clamping ring body 21 matches the connecting nut of the transducer, the clamping ring body 21 is provided with a clamping hole 211 along the circumference thereof, four clamping holes 211 are arranged in the circumferential direction, four clamping bolts 22 are arranged at positions corresponding to the number and positions of the clamping holes 211, and the clamping bolt 22 is threadedly connected to the corresponding clamping hole 211, so that the detachable design facilitates the installation and dismounting of the transducer and the guard rod 1 by the staff.
[0040] The implementation principle of the embodiment of the application is that in actual operation, the staff first inserts the connecting wire of the transducer through the protective rod 1 and connects it with the external device, then sleeves the clamping ring body 21 on the outside of the connecting nut, and fixes the clamping ring body 21 and the connecting nut through the clamping bolt 22, at the same time, the protective rod 1 plays a limiting role on the connecting wire of the transducer, avoiding the connecting wire from floating in water, thereby effectively reducing the error of the height of the transducer from the water surface and improving the accuracy of the water depth measurement result.
[0041] Embodiment two:
[0042] The difference between embodiment two and embodiment one is that:
[0043] With reference to Figure 3 and Figure 4 , the protective rod 1 includes a connecting rod 11, an extension rod 12 and a limiting bolt 13 for fixing the extension rod 12 on the connecting rod 11, the clamping ring body 21 is threadedly connected at the end of the connecting rod 11, the connecting rod 11 includes a left connecting block 112 and a right connecting block 113, the left connecting block 112 and the right connecting block 113 are rotationally connected through a rotating shaft, and when the left connecting block 112 and the right connecting block 113 are rotationally closed, a cylindrical rod body is formed, since the inside of the connecting rod 11 is hollow, the extension rod 12 is telescopically slid in the connecting rod 11, and the extension rod 12 slides along the end of the connecting rod 11 away from the clamping ring body 21.
[0044] With reference to Figure 3 and Figure 4 , the connecting rod 11 is provided with a limiting hole 111, the limiting hole 111 is provided with two, the limiting bolt 13 is provided with two corresponding the number of limiting holes 111, the extension rod 12 is provided with a threaded hole 121 corresponding to the position and number of limiting holes 111, the threaded hole 121 is provided with multiple groups, in this embodiment, the threaded hole 121 on the extension rod 12 is provided with two groups, in use, the connecting rod 11 and the extension rod 12 are telescopically matched to realize the length adjustment of the protective rod 1, and adapt to different water depth requirements; and the two limiting bolts 13 are respectively arranged through the corresponding limiting holes 111 and are threadedly connected with the threaded holes 121, thereby realizing the fixation between the connecting rod 11 and the extension rod 12.
[0045] With reference to Figure 4 and Figure 5 , the bottom of the extension rod 12 is provided with a stepped surface 122, so that when the extension rod 12 is in the retracted state, the stepped surface 122 of the extension rod 12 is in abutting cooperation with the upper surface of the connecting rod 11, thereby facilitating the length adjustment of the extension rod 12 by the staff and the position fixation of the extension rod 12 through the limiting bolt 13.
[0046] With reference to Figure 4 and Figure 5The telescopic rod 12 comprises a left opening and closing block 123 and a right opening and closing block 124, the top of the left opening and closing block 123 and the top of the right opening and closing block 124 are rotationally connected through a rotating shaft, a first sliding block 1231 is integrally formed on the left opening and closing block 123, a second sliding block 1241 is integrally formed on the right opening and closing block 124, a first sliding groove is formed on the left connecting block 112, a second sliding groove is formed on the right connecting block 113, the left opening and closing block 123 is slidably connected with the first sliding groove of the left connecting block 112 through the first sliding block 1231, the right opening and closing block 124 is slidably connected with the second sliding groove of the right connecting block 113 through the second sliding block 1241, when the left connecting block 112 and the right connecting block 113 are rotationally closed, the left opening and closing block 123 and the right opening and closing block 124 are also rotationally closed.
[0047] With reference to Figure 5 The connecting rod 11 is provided with a first limiting structure 14 for limiting the opening and closing of the left connecting block 112 and the right connecting block 113 at the length direction of both ends, the telescopic rod 12 is provided with a second limiting structure 15 for limiting the opening and closing of the left opening and closing block 123 and the right opening and closing block 124, in the embodiment, the first limiting structure 14 and the second limiting structure 15 are the same in structure, and the first limiting structure 14 is taken as an example for description.
[0048] With reference to Figure 6 And Figure 7 The first limiting structure 14 comprises a plug rod 141, a U-shaped communication block 142, a press switch 143, a first spring 144 and a second spring 145, the plug rod 141 is integrally formed on the left connecting block 112, the right connecting block 113 is provided with a U-shaped groove 1131, a press groove 1132 and a plug groove 1133, the U-shaped groove 1131 and the press groove 1132 are communicated through a communication groove, and the U-shaped groove 1131 and the plug groove 1133 are communicated.
[0049] With reference to Figure 6 And Figure 7 The U-shaped communication block 142 and the first spring 144 are arranged in the U-shaped groove 1131 of the right connecting block 113, the press switch 143 is plug-connected in the press groove 1132, a press gap is formed between the U-shaped communication block 142 and the bottom of the U-shaped groove 1131, the second spring 145 is adhered on the inner wall of the plug groove 1133, the plug rod 141 is plug-connected with the plug groove 1133, and the end of the plug rod 141 away from the left connecting block 112 is abuttingly connected with the second spring 145.
[0050] With reference to Figure 6 And Figure 7The insertion rod 141 has a slot 1411 along its radial direction. The U-shaped connecting block 142 is engaged with the slot 1411 on the insertion rod 141. The end of the U-shaped connecting block 142 away from the insertion rod 141 passes through the connecting groove from the U-shaped groove 1131 to the pressing groove 1132. The end of the U-shaped connecting block 142 away from the insertion rod 141 is welded and fixed to the pressing switch 143. The first spring 144 is sleeved on the end of the U-shaped connecting block 142 away from the insertion rod 141. One end of the first spring 144 is bonded to the pressing switch 143, and the other end is bonded to the bottom of the pressing groove 1132.
[0051] Reference Figure 7 and Figure 8 When it is necessary to close the connecting rod 11, the worker inserts the plug rod 141 on the left connecting block 112 into the insertion slot 1133 of the right connecting block 113. Under the action of the first spring 144, the U-shaped connecting block 142 is locked into the slot 1411 of the plug rod 141, thereby locking the position of the left connecting block 112 and the right connecting block 113. At this time, the plug rod 141 abuts against the second spring 145 in the insertion slot 1133, and the second spring 145 is in a compressed state.
[0052] Reference Figure 6 and Figure 7 When it is necessary to unfold the connecting rod 11, the operator presses the switch 143. Pressing the switch 143 compresses the first spring 144 and pushes the U-shaped connecting block down, causing the U-shaped connecting block to disengage from the slot 1411 of the insert rod 141. Then, the insert rod 141 pops out under the action of the second spring 145. At this time, the left connecting block 112 and the right connecting block 113 can be rotated to unfold. After releasing the switch 143, the U-shaped connecting block 142 resets under the action of the first spring 144 for the next operation.
[0053] Reference Figure 8 Since the first limiting structure 14 and the second limiting structure 15 have the same structure, in actual operation, the operator can easily open the left connecting block 112 and the right connecting block 113, and the left opening and closing block 123 and the right opening and closing block 124, and quickly and accurately place the transducer wiring in the hollow space inside the connecting rod 11 and the telescopic rod 12, which significantly improves the assembly efficiency and reduces the operational difficulty and time cost in the wiring placement process.
[0054] Reference Figure 7 and Figure 8 Both the left opening block 123 and the right opening block 124 are provided with limiting rings 125 for limiting the wiring. There are two limiting rings 125, and the two limiting rings 125 are symmetrically arranged on the left opening block 123 and the right opening block 124. The cable tie is wrapped around the limiting rings 125 and tightens the wiring, reducing the possibility of the wiring shaking inside the protective rod 1.
[0055] Referring to Figure 5 and Figure 8 When the length of the guard pole 1 needs to be adjusted, since the connecting wire is connected in the telescopic pole 12, the telescopic pole 12 can drive the connecting wire to move, so that the connecting wire can be quickly and accurately placed in the internal space of the connecting pole 11 and the telescopic pole 12, avoiding the connecting wire floating in the water.
[0056] Referring to Figure 3 and Figure 4 The bottom of the connecting pole 11 and the top of the telescopic pole 12 are provided with a pull ring 114 for hanging a positioning rope or a weight, so as to ensure that the guard pole 1 is vertically suspended underwater, reduce the deviation caused by the impact of water flow, and thus maintain the stability of the guard pole 1.
[0057] Referring to Figure 3 The side of the connecting pole 11 is provided with a mark section 115, so as to facilitate the staff to intuitively understand the position and state of the guard pole 1 underwater, and improve the convenience of operation.
[0058] The implementation principle of the embodiment of the present application is as follows: in actual operation, the staff first presses the two press switches 143 on the connecting pole 11 at the same time to expand the left connecting block 112 and the right connecting block 113, at this time, the left opening and closing block 123 and the right opening and closing block 124 are also in the expanded state, the connecting wire of the transducer is placed in the hollow cavity of the connecting pole 11 and the telescopic pole 12, and the connecting wire is bundled and fixed in the telescopic pole 12 using a cable tie, after closing the connecting pole 11, the plug-in rod 141 and the U-shaped connecting block are automatically clamped and locked, so as to realize the fixation of the connecting wire of the transducer;
[0059] Then the clamping ring body 21 is threadedly connected to the end of the connecting pole 11, then the clamping ring body 21 is sleeved on the connecting nut of the transducer, the clamping bolt 22 is tightened to realize the fixation of the transducer and the guard pole 1; the telescopic pole 12 is pulled out to the required length and the limiting bolt 13 is tightened, finally the rope is hung by the pull ring 114, and the guard pole 1 is vertically sunk to the predetermined depth for measurement.
[0060] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered in the protection scope of the present application.
Claims
1. An underwater fixture for a depth finder transducer, characterized by: The application relates to a protective rod (1) and a clamping structure (2) for connecting a transducer to the protective rod (1), the clamping structure (2) being detachably connected to the protective rod (1), the protective rod (1) being internally hollow, and the wiring of the transducer being arranged to pass through the protective rod (1) and be connected to external equipment.
2. An underwater mounting for a depth sounder transducer according to claim 1, characterised in that: The clamping structure (2) comprises a clamping ring (21) and a clamping bolt (22), the clamping ring (21) being threadedly connected to the protective rod (1), the clamping ring (21) being in sleeve fit with a connecting nut and being clamped and fixed by the clamping bolt (22).
3. An underwater mounting for a depth sounder transducer as claimed in claim 1, wherein: The protective rod (1) comprises a connecting rod (11), a telescopic rod (12) and a limiting bolt (13) for fixing the telescopic rod (12) to the connecting rod (11), the telescopic rod (12) being telescopically arranged in the connecting rod (11).
4. An underwater mounting for a depth sounder transducer according to claim 3, characterised in that: The connecting rod (11) comprises a left connecting block (112) and a right connecting block (113), the left connecting block (112) being rotatably connected to the right connecting block (113), the telescopic rod (12) comprising a left opening and closing block (123) and a right opening and closing block (124), the left opening and closing block (123) and the right opening and closing block (124) being rotatably connected, the left opening and closing block (123) being arranged on the left connecting block (112), the right opening and closing block (124) being arranged on the right connecting block (113), the connecting rod (11) being provided with a first limiting structure (14) for limiting the opening and closing of the left connecting block (112) and the right connecting block (113), and the telescopic rod (12) being provided with a second limiting structure (15) for limiting the opening and closing of the left opening and closing block (123) and the right opening and closing block (124).
5. An underwater mounting for a depth sounder transducer as claimed in claim 4, wherein: The first limiting structure (14) comprises a plug rod (141), a U-shaped communication block (142), a pressing switch (143) for pressing the U-shaped communication block (142), a first spring (144) for helping the U-shaped communication block (142) to reset and a second spring (145) for helping the plug rod (141) to reset, the plug rod (141) being arranged on the left connecting block (112), the plug rod (141) being provided with a clamping groove (1411) for clamping the end of the U-shaped communication block (142), the pressing switch (143), the U-shaped communication block (142), the first spring (144) and the second spring (145) being arranged on the right connecting block (113), the first spring (144) being sleeved on the end of the U-shaped communication block (142) away from the plug rod (141), and the plug rod (141) being in abutting fit with the second spring (145).
6. An underwater mounting for a depth sounder transducer as claimed in claim 4, wherein: The left connecting block (112) is provided with a first sliding groove, the outer wall of the left opening and closing block (123) is provided with a first sliding block (1231) for sliding fit with the first sliding groove, the right connecting block (113) is provided with a second sliding groove, and the outer wall of the right opening and closing block (124) is provided with a second sliding block (1241) for sliding fit with the second sliding groove.
7. An underwater mounting for a depth sounder transducer as claimed in claim 4, wherein: The left opening and closing block (123) and the right opening and closing block (124) are both provided with a limiting ring (125) for limiting the interface wire, and the limiting ring (125) is used for tightening the interface wire by winding a cable tie.
8. An underwater mounting for a depth sounder transducer as claimed in claim 1, characterised in that: The protection rod (1) is symmetrically provided with a pull ring (114) for maintaining the stability of the protection rod (1).